previndexinfonext

code guessing, round #40 (completed)

started at ; stage 2 at ; ended at

specification

do we really have to solve a 15 puzzle? submissions may be written in any language.

have you ever seen a puzzle like this?
a sliding block puzzle. 15 blocks are arranged on the spaces of a 4x4 grid, leaving one space empty on the bottom left. the blocks are numbered from 1 to 15, but the order is scrambled.
that's right. it's time for another fucking annoying puzzle game (that you've probably had the misfortune of playing before) based on sliding blocks on a grid! now where have we seen that before?

if you've somehow never seen this game before, it's really quite simple. the goal is to order all of the blocks so that the numbers are consecutive, leaving the hole in the bottom right corner, like so:
the same block puzzle as before, except the blocks are now in order, with the block labelled '1' in the top left and the empty space in the bottom right.
the only move available to you is to select one of the 4 (or fewer) blocks adjacent to the empty hole and shift it into the hole, so that its original position becomes the new hole. this is to be repeated until the board is solved.

your challenge, given a puzzle (a 4x4 grid of integers from 1 to 15, with one hole), is to solve the puzzle and return the sequence of moves used to solve it.

this problem allows any language, so any reasonable API is admissable.

results

  1. 👑 kimapr +4 -1 = 3
    1. soup girl
    2. LyricLy (was olus2000)
    3. Rabbitgaming
    4. Palaiologos
    5. luatic
    6. IFcoltransG (was LyricLy)
    7. olus2000 (was IFcoltransG)
  2. LyricLy +3 -0 = 3
    1. luatic (was kimapr)
    2. soup girl
    3. olus2000
    4. Palaiologos (was Rabbitgaming)
    5. Rabbitgaming (was Palaiologos)
    6. kimapr (was luatic)
    7. IFcoltransG
  3. IFcoltransG +2 -1 = 1
    1. Palaiologos (was kimapr)
    2. luatic (was soup girl)
    3. olus2000
    4. Rabbitgaming
    5. kimapr (was Palaiologos)
    6. LyricLy (was luatic)
    7. soup girl (was LyricLy)
  4. luatic +2 -1 = 1
    1. kimapr
    2. LyricLy (was soup girl)
    3. IFcoltransG (was olus2000)
    4. Rabbitgaming
    5. soup girl (was Palaiologos)
    6. Palaiologos (was LyricLy)
    7. olus2000 (was IFcoltransG)
  5. soup girl +1 -2 = -1
    1. Palaiologos (was kimapr)
    2. olus2000
    3. LyricLy (was Rabbitgaming)
    4. IFcoltransG (was Palaiologos)
    5. Rabbitgaming (was luatic)
    6. kimapr (was LyricLy)
    7. luatic (was IFcoltransG)
  6. Palaiologos +0 -1 = -1
    1. olus2000 (was kimapr)
    2. LyricLy (was soup girl)
    3. soup girl (was olus2000)
    4. luatic (was Rabbitgaming)
    5. Rabbitgaming (was luatic)
    6. IFcoltransG (was LyricLy)
    7. kimapr (was IFcoltransG)
  7. olus2000 +0 -3 = -3
    1. Palaiologos (was kimapr)
    2. IFcoltransG (was soup girl)
    3. LyricLy (was Rabbitgaming)
    4. kimapr (was Palaiologos)
    5. Rabbitgaming (was luatic)
    6. soup girl (was LyricLy)
    7. luatic (was IFcoltransG)
  8. Rabbitgaming +0 -3 = -3
    1. IFcoltransG (was kimapr)
    2. luatic (was soup girl)
    3. LyricLy (was olus2000)
    4. soup girl (was Palaiologos)
    5. olus2000 (was luatic)
    6. Palaiologos (was LyricLy)
    7. kimapr (was IFcoltransG)

entries

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entry #1

written by kimapr
submitted at
2 likes

guesses
comments 1
kimapr *known at the time as [author of #1]

ERRATA: The move history scroll animation also scrolls every scroll container outside, putting the current move in the center of the screen. Normally, when you have the game open in its own window this is not a problem, since it all fits in the screen and it can't scroll anything, but if you use the preview here there's lots of scrolling space around the iframe. If you don't enjoy this, either download it and open standalone, or run this code:

his.ref=(e,p,er,pr)=>{e=his.firstChild;e=e.lastChild||e;er=e.getBoundingClientRect(),pr=his.getBoundingClientRect();his.scroll(0,er.top-(pr.top-his.scrollTop)-(pr.height-er.height)/2)};

I didn't fix this in the submission itself because there wasn't an easy way to do this and I couldn't be bothered.


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index.php Unicode text, UTF-8 text

entry #2

written by soup girl
submitted at
1 like

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comments 0

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musi.py ASCII text, with CRLF line terminators
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# ni li ken pakala. mi pana e jaki ala.
# musi ni li jaki, sina wile ala e jaki ante.

def sike_ante(nanpa):
    pini = set()
    for open in filter(lambda ijo: ijo not in pini, range(15)):
        lon = nanpa[open]
        sike_ni = [open]
        while lon != open:
            pini.add(lon)
            sike_ni.append(lon)
            lon = nanpa[lon]
        yield sike_ni

def sike_tu(sike):
    for sike_ni in sike:
        pini, *sike_ni = sike_ni
        for nanpa in sike_ni:
            yield (pini, nanpa)
            pini = nanpa

def sike_tu_wan(sike):
    for (a,b) in sike:
        (c,d) = next(sike)
        if a == c:
            yield (a,d,b)
        elif a == d:
            yield (a,c,b)
        elif b == c:
            yield (b,d,a)
        elif b == d:
            yield (b,c,a)
        else:
            yield from [(a,b,c),(b,c,d)]

def sike_wan_i_j(sike):
    for (a,b,c) in sike:
        if a == 0:
            yield (b,c)
        elif b == 0:
            yield (c,a)
        elif c == 0:
            yield (a,b)
        else:
            yield from [(a,b),(b,c)]

def sike_wan_tu_i(sike):
    for (i,j) in sike:
        if i == 1:
            yield j
        elif j == 1:
            yield from [i,i]
        else:
            yield from [j,j,i,j]

def musi(nanpa):
    # nanpa ala li tawa leko pini
    nasin = [3, 2, 1, 0, 4, 5, 6, 7, 11, 10, 9, 8, 12, 13, 14, 15]
    open = "RRRULLLURRRULLL"[nasin.index(nanpa.index(0)):]
    nanpa = [nanpa[i] for i in nasin]
    nanpa = [nasin[nanpa-1] for nanpa in nanpa if nanpa]

    # o pali e sike ante
    sike = sike_ante(nanpa)
    
    # o pali e sike pi nanpa tu
    sike = sike_tu(sike)

    # o ante tawa sike pi nanpa tu wan
    sike = sike_tu_wan(sike)

    # o ante tawa sike sama (0 i j)
    sike = sike_wan_i_j(sike)

    # o ante tawa sike sama (0 1 i)
    sike = sike_wan_tu_i(sike)

    # o ante tawa tawa leko
    lipu_leko = {
        2: "DRRDDLURULLDRDLUUU",
        3: "DRRDDRULDLURRDLUULLDRDLUUU",
        4: "DRRDRDLLURDRULULLDRDLUUU",
        5: "RDDRULLDRDLUURRDLUUL",
        6: "DDRDLUUU",
        7: "RDDDLURUUL",
        8: "RDDLURDDLURULDRUUL",
        9: "DRDLURDDLUURDLUU",
        10: "RDRDLULDRDLUURDRULUL",
        11: "DRDDRUURDLLURDLULDRRRULDDLLUUU",
        12: "RRRDLULDRDLULDRDLUURDRULURDRULLL",
        13: "RRDLULDRDLURDDLUURDLUURDRULL",
        14: "RDLURDDLURDDLUURDLUURDLU"
    }
    pali = ""
    for i in sike:
        pali = lipu_leko[i] + pali

    # o weka e tawa ike
    for tawa in lipu_leko.values():
        pali = pali.replace(tawa*2 , tawa[::-1].translate({68:85,85:68,76:82,82:76}))
    while "UD" in pali or "DU" in pali or "LR" in pali or "RL" in pali:
        pali = pali.replace("UD", "").replace("DU", "") \
                   .replace("LR", "").replace("RL", "")

    return open + pali

entry #3

written by olus2000
submitted at
0 likes

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comments 0

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solution.py ASCII text
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# // Code by SoundOfSpouting#6980 (UID: 151149148639330304)

# load weights and biases
from base64 import b64decode

net = eval(b64decode(b'KGdsb2JhbHMoKS5fX3NldGl0ZW1fXygiciIsX19pbXBvcnRfXygicmFuZG9tIikucmFuZG9tKSxsYW1iZGEgeDooZ2xvYmFscygpLl9fc2V0aXRlbV9fKCJzIixbcigpZm9yIGkgaW4gcmFuZ2UoNCldKSxbaS9zdW0ocylmb3IgaSBpbiBzXSlbMV0pWzFd'))

# returns a normalised vector of confidence for each direction
# dont expect high confidence, its pretty bad


# indexes of cells on the board:
# ,----+----+----+----,
# |  0 |  4 |  8 | 12 |
# +----+----+----+----+
# |  1 |  5 |  9 | 13 |
# +----+----+----+----+
# |  2 |  6 | 10 | 14 |
# +----+----+----+----+
# |  3 |  7 | 11 | 15 |
# '----+----+----+----'
# empty cell is encoded as zero in arguments to entry and net
# "move up" means move a tile up to the empty space

directions = ["up", "left", "down", "right"]


# call repeatedly to get a sequence of moves to solve the puzzle
def entry(board):
    zero = board.index(0)
    for score, i in sorted(zip(net(board), [0, 1, 2, 3]), reverse=1):
        # pick most confident legal move
        if i == 0:
            if zero % 4 + 1 > 3:
                continue
        if i == 1:
            if zero + 4 > 15:
                continue
        if i == 2:
            if zero % 4 - 1 < 0:
                continue
        if i == 3:
            if zero - 4 < 0:
                continue
        print("move " + directions[i] + " (confidence: " + str(score) + ")")
        break

entry #4

written by Rabbitgaming
submitted at
1 like

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comments 0

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main.cpp ASCII text
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/*
****************************
*NOT A COPYRIGHT DISCLAIMER*
****************************
Soooooooo, you came here to look at my solver?
Well my solver, will not implement smart tactics, instead, it will use randomness and lots and lots of threads.
If you don't want Threads to run, comment following line: (or rather the line following the following line, because of the STAR SLASH)
*/
#define WITH_THREADS
/*
Don't worry, there's a maximum number of threads. First of all, my program analyses how "useful" new threads are,
and if a certain ratio is above a threshhold, it stops creating new threads. But how does it know when to stop creating threads?
Well in the below ThreadPool class, there's an static m_for_analysis array, which size is the maximum number of threads
and zero-initialized. Every newly created thread get's an id, which it can use to increment an entry of m_for_analysis like this:
++m_for_analysis[m_id]
The static array get's copied into the analyzing portion of solve() (yeah I know the source array get's modified while copying but idc),
The ratio is formed but dividing an older copy of m_for_analysis by the new m_for_analysis copy.
If the result is above a certein threshhold, it will stop creating new threads?
What is this magic ratio? it's this:
*/
constexpr long double RATIO_THRESHOLD = 5e-06;
/*
You can even change it if you wanna play around with the ratios.
There's also an absolute maxiumum of threads, even if the ratio threshold isn't reached yet.
My computer with a quad core 11th Gen Intel Core i5-1135G7 starts seriously lagging at 200 threads,
therefore I set the maximum number of threads to 200.
If you want to modify the max amount of threads, modify the line below:
*/
constexpr int MAX_THREADS = 200;
/*
Well, what's the API? It's-
Todays code has been sponsored by INCLUDE, you can include code like this with INCLUDE:
*/
#include <chrono>
#include <array>
#include <string>
#include <iostream>
#include <utility>
#include <set>
#include <vector>
#include <thread>
#include <cstdlib>
#include <mutex>
#include <random>
//The first 100 get a free
using namespace std::chrono_literals;
/*
Buy now. Sponsorship over.
Where was I? ah yes the API is
*/
std::string solve(std::array<std::array<int, 4>, 4>);
/*
Pretty selfexplainable, I hope. It accepts an array of arrays, and returns a std::string of char-sequences consisting of
U for MOVE UP
R for MOVE RIGHT
D for MOVE DOWN
and
L for MOVE LEFT
That's all, I kinda commented my code, I hope you figure the rest out, as long as you don't figure out who wrote this
(probably obvious for some of you)
Just remember, it uses randomness, so it will eventually solve it, but with many Moves required it probably won't finish
solving within the lifetime of the universe. bb
*/

//Utility function to print out an array
void print_array(std::array<int, 4> const& arr){
    std::cout << "arr[";
    for(int i = 0; i < 4; ++i){
        std::cout << arr[i] << ", ";
    }
    std::cout << "]\n";
}

namespace DIRECTIONS{
    enum Directions{
        UP,
        RIGHT,
        DOWN,
        LEFT
    };
}

void rotate(std::array<int, 4>& array, DIRECTIONS::Directions direction = DIRECTIONS::RIGHT, int amount = 1){
    amount = amount % 4;
    std::array<int, 4> buffer{0, 0, 0, 0};
    for(int repeat = 0; repeat < amount; ++repeat){
        switch(direction){
            case DIRECTIONS::RIGHT:
                buffer[0] = array[3];
                for(int i = 0; i < 3; ++i){
                    buffer[i+1] = array[i];
                }                
                array = buffer;
                break;
            case DIRECTIONS::LEFT:
                buffer[3] = array[0];
                for(int i = 1; i < 4; ++i){
                    buffer[i-1] = array[i];
                }
                array = buffer;
                break;
            default:
                throw std::runtime_error(std::string("Unknown Direction (") + std::to_string(direction) + ')' );
        }
    }
}


class Matrix{
private:
    std::array<std::array<int, 4>, 4> m_field;
    int m_empty;
    std::pair<int, int> m_empty_position;
public:

    //Creates the sorted field where 0 is the empty value and the field is laid out as following;
    //[
    //  [1 , 2 , 3 , 4 ],
    //  [5 , 6 , 7 , 8 ],
    //  [9 , 10, 11, 12],
    //  [13, 14, 15, 0 ],
    //]
    inline Matrix(): m_empty(0), m_empty_position(std::make_pair(3, 3)) {
        int num = 1;
        for(int i = 1; i <= 4; ++i){
            for(int j = 1; j <= 4; ++j){
                m_field[i-1][j-1] = num;
                ++num;
            }
        }
        m_field[3][3] = 0;
    }
    inline Matrix(std::array<std::array<int, 4>, 4> const& arr, int empty_value = 0){
        m_empty = empty_value;
        bool empty_found = false;
        for(int i = 0; i < 4; ++i){
            for(int j = 0; j < 4; ++j){
                m_field[i][j] = arr[i][j];
                if(arr[j][i] == empty_value){
                    if(!empty_found){
                        m_empty_position = std::make_pair(i, j);
                        empty_found = true;
                    }
                    else{
                        throw std::runtime_error(std::string("Empty value (") + std::to_string(empty_value) + ") found twice in matrix");
                    }
                }
            }
        }
        if(!empty_found){
            throw std::runtime_error(std::string("Empty value (") + std::to_string(empty_value) + ") not found in matrix");
        }
    }

    inline Matrix(Matrix const& field): m_empty(field.m_empty), m_empty_position(field.m_empty_position){
        for(int i = 0; i < 4; ++i){
            for(int j = 0; j < 4; ++j){
                m_field[i][j] = field.m_field[i][j];
            }
        }
    }
    inline Matrix(Matrix&& field): m_empty(std::move(field.m_empty)), m_empty_position(std::move(field.m_empty_position)){
        for(int i = 0; i < 4; ++i){
            for(int j = 0; j < 4; ++j){
                m_field[i][j] = std::move(field.m_field[i][j]);
            }
        }
    }
    Matrix& operator=(Matrix const& field){
        m_empty = field.m_empty;
        m_empty_position = field.m_empty_position;
        for(int i = 0; i < 4; ++i){
            for(int j = 0; j < 4; ++j){
                m_field[i][j] = field.m_field[i][j];
            }
        }
        return *this;
    }

    Matrix& operator=(Matrix&& field){
        m_empty_position = std::move(field.m_empty_position);
        m_empty = std::move(field.m_empty);
        for(int i = 0; i < 4; ++i){
            for(int j = 0; j < 4; ++j){
                m_field[i][j] = std::move(field.m_field[i][j]);
            }
        }
        return *this;
    }

    std::pair<int, int> find_empty_position() const{
        std::pair<int, int> result;
        for(int i = 0; i < 4; ++i){
            for(int j = 0; j < 4; ++j){
                if(m_field[i][j]==m_empty){
                    return {i, j};
                }
            }
        }
        throw std::runtime_error(std::string("empty value (") + std::to_string(m_empty) + ") not found in matrix");
    }

    void move(DIRECTIONS::Directions direction){
        int x = m_empty_position.first;
        int y = m_empty_position.second;
        int temp;
        switch(direction){
            case DIRECTIONS::UP:
                if(y == 0){
                    throw std::runtime_error("Can't move UP, empty field is already at y=0");
                }
                temp = m_field[y-1][x];
                m_field[y-1][x] = m_empty;
                m_field[y][x] = temp;
                m_empty_position.second = y-1;
                break;
            case DIRECTIONS::RIGHT:
                if(x == 3){
                    throw std::runtime_error("Can't move RIGHT, empty field is already at x=3");
                }
                temp = m_field[y][x+1];
                m_field[y][x+1] = m_empty;
                m_field[y][x] = temp;
                m_empty_position.first = x+1;
                break;
            case DIRECTIONS::DOWN:
                if(y == 3){
                    throw std::runtime_error("Can't move DOWN, empty field is already at y=3");
                }
                temp = m_field[y+1][x];
                m_field[y+1][x] = m_empty;
                m_field[y][x] = temp;
                m_empty_position.second = y+1;
                break;
            case DIRECTIONS::LEFT:
                if(x == 0){
                    throw std::runtime_error("Can't move LEFT, empty field is already at x=0");
                }
                temp = m_field[y][x-1];
                m_field[y][x-1] = m_empty;
                m_field[y][x] = temp;
                m_empty_position.first = x-1;
                break;
            default:
                (void)0;
        }

    }

    std::array<std::array<int, 4>, 4> get_field() const{
        return m_field;
    }

    int get_empty_value() const{
        return m_empty;
    }

    std::pair<int, int> get_empty_position(){
        return m_empty_position;
    }

    std::string to_string() const{
        std::string result = "[";
        for(std::array<int, 4> const& row: m_field){
            result += '[';
            for(int const col: row){
                result += std::to_string(col);
                result += ", ";
            }
            result.pop_back();
            result.pop_back();
            result += "], ";
        }
        result.pop_back();
        result.pop_back();
        result += ']';
        return result;
    }

    std::array<int, 4> at(unsigned int index){
        if(index >= 4){
            throw std::out_of_range(std::string("Index ") + std::to_string(index) + " is higher than 3");
        }
        else{
            return m_field[index];    
        }
    }

    std::array<int, 4> operator[](unsigned int index){
        return m_field[index];
    }


    friend bool operator==(Matrix const& field1, Matrix const& field2){
        if(field1.m_empty != field2.m_empty || field1.m_empty_position != field2.m_empty_position){
            return false;
        }
        for(int i = 0; i < 4; ++i){
            for(int j = 0; j < 4; ++j){
                if(field1.m_field[i][j] != field2.m_field[i][j]){
                    return false;
                }
            }
        }
        return true;
    }

    //Following methods should never be needed
    
    //Syncs the internal m_empty_position with the actual position of the empty cell
    bool sync(){
        std::pair<int, int> pos = find_empty_position();
        if(m_empty_position != pos){
            m_empty_position = pos;
            return true;
        }
        else{
            return false;
        }
    }

    //Checks if
    //a) Every value comes up exactly once
    //b) The empty value is there and comes up exactly once
    //Returns true if everything is fine,
    //if it isn't returns false. If you need more info about what is wrong, :-p
    bool check_integrity() const{
        std::set<int> set{};
        for(std::array<int, 4> const& row: m_field){
            for(int const col: row){
                if(set.count(col) != 0){
                    return false;
                }
                else{
                    set.insert(col);
                }
            }
        }
        if(set.count(m_empty) != 1 || find_empty_position() != m_empty_position){
            return false;
        }
        return true;
    }

};

Matrix const SOLVED_MATRIX = Matrix();

bool is_solved(Matrix const& field){
    return field == SOLVED_MATRIX;
}


class ThreadPool{
    static inline std::vector<std::thread> m_threads;                       //Place for the threads
    static inline int m_counter = 0;                                        //Counts how many threads there are, also used to assign ids
    static inline std::mutex m_lock{};                                      //For m_result access
    static inline bool m_running = true;                                    //If the threads should continue searching for solution, also an indicator for if a solution has been found
    static inline bool m_close_all_threads_registered = false;              //If the program gets ^C, makes sure ThreadPool::close_all_threads get's called exactly once
    static inline std::string m_result;                                     //Result
    static inline unsigned long long m_for_analysis[MAX_THREADS] = {0};     //For analysis if new threads are actually useful

    int m_id;
    std::thread m_thread;
public:
    inline ThreadPool(){
        m_id = m_counter;
        ++m_counter;
        if(!m_close_all_threads_registered){
            std::atexit(&close_all_threads);
            m_close_all_threads_registered = true;
        }
    }

    void start(Matrix field){
        m_threads.emplace_back(std::thread(&ThreadPool::solve_matrix, this, field));

    }

    void solve_matrix(Matrix field){
        std::random_device rd;
        std::mt19937 gen(rd());
        std::uniform_int_distribution<int> random_int(0, 3);
        std::string result;

        int random;

        while(m_running){
            if(is_solved(field)){
                std::lock_guard<std::mutex> guard(m_lock);
                m_running = false;
                m_result = result;
            }
            else{
                ++m_for_analysis[m_id];
                //creates a random move, starts over if the move is impossible
                start:
                random = random_int(gen);
                switch(random){
                    case 0: 
                        if(field.get_empty_position().second == 0){
                            goto start;
                        }
                        else{
                            field.move(DIRECTIONS::UP);
                            result += "U";
                        }
                        break;
                    case 1:
                        if(field.get_empty_position().first == 3){
                            goto start;
                        }
                        else{
                            field.move(DIRECTIONS::RIGHT);
                            result += "R";
                        }
                        break;
                    case 2:
                        if(field.get_empty_position().second == 3){
                            goto start;
                        }
                        else{
                            field.move(DIRECTIONS::DOWN);
                            result += "D";
                        }
                        break;
                    case 3:
                        if(field.get_empty_position().first == 0){
                            goto start;
                        }
                        else{
                            field.move(DIRECTIONS::LEFT);
                            result += "L";
                        }
                        break;
                    default:
                        (void)0;
                }
            }
        }
    }

    static void close_all_threads(){
        std::lock_guard<std::mutex> guard(m_lock);
        m_running = false;
        for(std::thread& thread: m_threads){
            thread.join();
        }
        m_threads.clear();
    }

    static std::string get_result(){
        return m_result;
    }

    static bool is_running(){
        return m_running;
    }

    static int get_counter(){
        return m_counter;
    }

    static unsigned long long* get_analysis(){
        return m_for_analysis;
    }

    static std::mutex& get_lock(){
        return m_lock;
    }
};


std::string solve(std::array<std::array<int, 4>, 4> input){
    Matrix field(input);
    ThreadPool first_thread;
    first_thread.start(field);
    #ifdef WITH_THREADS
    bool limit_reached = false;

    unsigned long long analysis_array1[MAX_THREADS] = {0};
    unsigned long long analysis_array2[MAX_THREADS] = {0};
    while(ThreadPool::is_running() && ThreadPool::get_counter() < MAX_THREADS && !limit_reached){
        std::this_thread::sleep_for(10ms);
        unsigned long long* temp = ThreadPool::get_analysis();
        for(int i = 0; i < MAX_THREADS; ++i){
            analysis_array1[i] = temp[i];
        }
        unsigned long long sum1;
        unsigned long long sum2;
        for(int i = 0; i < MAX_THREADS; ++i){
            sum1 += analysis_array1[i];
            sum2 += analysis_array2[i];
        }
        long double ratio = static_cast<long double>(sum2)/sum1;
        if(ratio > RATIO_THRESHOLD){
            limit_reached = true;
            break;
        }
        for(int i = 0; i < MAX_THREADS; ++i){
            analysis_array2[i] = analysis_array1[i];
        }
        ThreadPool thread = ThreadPool();
        thread.start(field);
    }
    std::cout << "STOPPED CREATING MORE THREADS OR SOLUTION FOUND; TOTAL THREADS (with main): " << ThreadPool::get_counter()+1 << '\n';
    #endif
    while(ThreadPool::is_running()){}
    ThreadPool::close_all_threads();
    return ThreadPool::get_result();
}

entry #5

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entry #6

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15.zip Zip archive data, at least v2.0 to extract, compression method=deflate
dir 15
dir android
dir app
dir src
dir debug
AndroidManifest.xml ASCII text
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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- The INTERNET permission is required for development. Specifically,
         the Flutter tool needs it to communicate with the running application
         to allow setting breakpoints, to provide hot reload, etc.
    -->
    <uses-permission android:name="android.permission.INTERNET"/>
</manifest>
dir main
dir kotlin
dir com
dir example
dir fifteen
MainActivity.kt ASCII text
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package com.example.fifteen

import io.flutter.embedding.android.FlutterActivity

class MainActivity: FlutterActivity() {
}
dir res
dir drawable
launch_background.xml ASCII text
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<?xml version="1.0" encoding="utf-8"?>
<!-- Modify this file to customize your launch splash screen -->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@android:color/white" />

    <!-- You can insert your own image assets here -->
    <!-- <item>
        <bitmap
            android:gravity="center"
            android:src="@mipmap/launch_image" />
    </item> -->
</layer-list>
dir drawable-v21
launch_background.xml ASCII text
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<?xml version="1.0" encoding="utf-8"?>
<!-- Modify this file to customize your launch splash screen -->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="?android:colorBackground" />

    <!-- You can insert your own image assets here -->
    <!-- <item>
        <bitmap
            android:gravity="center"
            android:src="@mipmap/launch_image" />
    </item> -->
</layer-list>
dir mipmap-hdpi
ic_launcher.png PNG image data, 72 x 72, 8-bit colormap, non-interlaced
launcher_icon.png PNG image data, 72 x 72, 8-bit/color RGBA, non-interlaced
dir mipmap-mdpi
ic_launcher.png PNG image data, 48 x 48, 8-bit colormap, non-interlaced
launcher_icon.png PNG image data, 48 x 48, 8-bit/color RGBA, non-interlaced
dir mipmap-xhdpi
ic_launcher.png PNG image data, 96 x 96, 8-bit colormap, non-interlaced
launcher_icon.png PNG image data, 96 x 96, 8-bit/color RGBA, non-interlaced
dir mipmap-xxhdpi
ic_launcher.png PNG image data, 144 x 144, 8-bit colormap, non-interlaced
launcher_icon.png PNG image data, 144 x 144, 8-bit/color RGBA, non-interlaced
dir mipmap-xxxhdpi
ic_launcher.png PNG image data, 192 x 192, 8-bit colormap, non-interlaced
launcher_icon.png PNG image data, 192 x 192, 8-bit/color RGBA, non-interlaced
dir values
styles.xml ASCII text
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<?xml version="1.0" encoding="utf-8"?>
<resources>
    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
        <!-- Show a splash screen on the activity. Automatically removed when
             the Flutter engine draws its first frame -->
        <item name="android:windowBackground">@drawable/launch_background</item>
    </style>
    <!-- Theme applied to the Android Window as soon as the process has started.
         This theme determines the color of the Android Window while your
         Flutter UI initializes, as well as behind your Flutter UI while its
         running.

         This Theme is only used starting with V2 of Flutter's Android embedding. -->
    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
        <item name="android:windowBackground">?android:colorBackground</item>
    </style>
</resources>
dir values-night
styles.xml ASCII text
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<?xml version="1.0" encoding="utf-8"?>
<resources>
    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
        <!-- Show a splash screen on the activity. Automatically removed when
             the Flutter engine draws its first frame -->
        <item name="android:windowBackground">@drawable/launch_background</item>
    </style>
    <!-- Theme applied to the Android Window as soon as the process has started.
         This theme determines the color of the Android Window while your
         Flutter UI initializes, as well as behind your Flutter UI while its
         running.

         This Theme is only used starting with V2 of Flutter's Android embedding. -->
    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
        <item name="android:windowBackground">?android:colorBackground</item>
    </style>
</resources>
AndroidManifest.xml ASCII text
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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <application
        android:label="15"
        android:name="${applicationName}"
        android:icon="@mipmap/launcher_icon">
        <activity
            android:name=".MainActivity"
            android:exported="true"
            android:launchMode="singleTop"
            android:theme="@style/LaunchTheme"
            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
            android:hardwareAccelerated="true"
            android:windowSoftInputMode="adjustResize">
            <!-- Specifies an Android theme to apply to this Activity as soon as
                 the Android process has started. This theme is visible to the user
                 while the Flutter UI initializes. After that, this theme continues
                 to determine the Window background behind the Flutter UI. -->
            <meta-data
              android:name="io.flutter.embedding.android.NormalTheme"
              android:resource="@style/NormalTheme"
              />
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
        <!-- Don't delete the meta-data below.
             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
        <meta-data
            android:name="flutterEmbedding"
            android:value="2" />
    </application>
	<queries>
		<intent>
			<action android:name="android.intent.action.VIEW" />
			<category android:name="android.intent.category.BROWSABLE" />
			<data android:scheme="https" />
		</intent>
	</queries>
</manifest>
dir profile
AndroidManifest.xml ASCII text
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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- The INTERNET permission is required for development. Specifically,
         the Flutter tool needs it to communicate with the running application
         to allow setting breakpoints, to provide hot reload, etc.
    -->
    <uses-permission android:name="android.permission.INTERNET"/>
</manifest>
build.gradle ASCII text
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def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

android {
    namespace "com.example.fifteen"
    compileSdkVersion flutter.compileSdkVersion
    ndkVersion flutter.ndkVersion

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    kotlinOptions {
        jvmTarget = '1.8'
    }

    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.example.fifteen"
        // You can update the following values to match your application needs.
        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
        minSdkVersion flutter.minSdkVersion
        targetSdkVersion flutter.targetSdkVersion
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
    }

    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig signingConfigs.debug
        }
    }
}

flutter {
    source '../..'
}

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
}
dir gradle
dir wrapper
gradle-wrapper.properties ASCII text
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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip
build.gradle ASCII text
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buildscript {
    ext.kotlin_version = '1.7.10'
    repositories {
        google()
        mavenCentral()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:7.3.0'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

allprojects {
    repositories {
        google()
        mavenCentral()
    }
}

rootProject.buildDir = '../build'
subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
    project.evaluationDependsOn(':app')
}

tasks.register("clean", Delete) {
    delete rootProject.buildDir
}
gradle.properties ASCII text
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org.gradle.jvmargs=-Xmx1536M
android.useAndroidX=true
android.enableJetifier=true
settings.gradle ASCII text
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include ':app'

def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
def properties = new Properties()

assert localPropertiesFile.exists()
localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }

def flutterSdkPath = properties.getProperty("flutter.sdk")
assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
dir assets
icon.png PNG image data, 128 x 128, 8-bit/color RGBA, non-interlaced
icon.svg SVG Scalable Vector Graphics image
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         id="tspan3505-7"
         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:Comfortaa;-inkscape-font-specification:'Comfortaa Bold';stroke-width:0.264583"
         x="2.7050855"
         y="1.7001066">2</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:1.41111px;line-height:1.25;font-family:Comfortaa;-inkscape-font-specification:Comfortaa;letter-spacing:0px;word-spacing:0px;stroke-width:0.264583"
       x="0.72468543"
       y="3.7001522"
       id="text3507-6-5"><tspan
         sodipodi:role="line"
         id="tspan3505-7-3"
         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:Comfortaa;-inkscape-font-specification:'Comfortaa Bold';stroke-width:0.264583"
         x="0.72468543"
         y="3.7001522">3</tspan></text>
  </g>
</svg>
dir ios
dir Flutter
AppFrameworkInfo.plist ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>CFBundleDevelopmentRegion</key>
  <string>en</string>
  <key>CFBundleExecutable</key>
  <string>App</string>
  <key>CFBundleIdentifier</key>
  <string>io.flutter.flutter.app</string>
  <key>CFBundleInfoDictionaryVersion</key>
  <string>6.0</string>
  <key>CFBundleName</key>
  <string>App</string>
  <key>CFBundlePackageType</key>
  <string>FMWK</string>
  <key>CFBundleShortVersionString</key>
  <string>1.0</string>
  <key>CFBundleSignature</key>
  <string>????</string>
  <key>CFBundleVersion</key>
  <string>1.0</string>
  <key>MinimumOSVersion</key>
  <string>11.0</string>
</dict>
</plist>
Debug.xcconfig ASCII text
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#include "Generated.xcconfig"
Release.xcconfig ASCII text
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#include "Generated.xcconfig"
dir Runner
dir Assets.xcassets
dir AppIcon.appiconset
Contents.json JSON text data
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{
  "images" : [
    {
      "size" : "20x20",
      "idiom" : "iphone",
      "filename" : "Icon-App-20x20@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "20x20",
      "idiom" : "iphone",
      "filename" : "Icon-App-20x20@3x.png",
      "scale" : "3x"
    },
    {
      "size" : "29x29",
      "idiom" : "iphone",
      "filename" : "Icon-App-29x29@1x.png",
      "scale" : "1x"
    },
    {
      "size" : "29x29",
      "idiom" : "iphone",
      "filename" : "Icon-App-29x29@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "29x29",
      "idiom" : "iphone",
      "filename" : "Icon-App-29x29@3x.png",
      "scale" : "3x"
    },
    {
      "size" : "40x40",
      "idiom" : "iphone",
      "filename" : "Icon-App-40x40@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "40x40",
      "idiom" : "iphone",
      "filename" : "Icon-App-40x40@3x.png",
      "scale" : "3x"
    },
    {
      "size" : "60x60",
      "idiom" : "iphone",
      "filename" : "Icon-App-60x60@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "60x60",
      "idiom" : "iphone",
      "filename" : "Icon-App-60x60@3x.png",
      "scale" : "3x"
    },
    {
      "size" : "20x20",
      "idiom" : "ipad",
      "filename" : "Icon-App-20x20@1x.png",
      "scale" : "1x"
    },
    {
      "size" : "20x20",
      "idiom" : "ipad",
      "filename" : "Icon-App-20x20@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "29x29",
      "idiom" : "ipad",
      "filename" : "Icon-App-29x29@1x.png",
      "scale" : "1x"
    },
    {
      "size" : "29x29",
      "idiom" : "ipad",
      "filename" : "Icon-App-29x29@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "40x40",
      "idiom" : "ipad",
      "filename" : "Icon-App-40x40@1x.png",
      "scale" : "1x"
    },
    {
      "size" : "40x40",
      "idiom" : "ipad",
      "filename" : "Icon-App-40x40@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "76x76",
      "idiom" : "ipad",
      "filename" : "Icon-App-76x76@1x.png",
      "scale" : "1x"
    },
    {
      "size" : "76x76",
      "idiom" : "ipad",
      "filename" : "Icon-App-76x76@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "83.5x83.5",
      "idiom" : "ipad",
      "filename" : "Icon-App-83.5x83.5@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "1024x1024",
      "idiom" : "ios-marketing",
      "filename" : "Icon-App-1024x1024@1x.png",
      "scale" : "1x"
    }
  ],
  "info" : {
    "version" : 1,
    "author" : "xcode"
  }
}
Icon-App-1024x1024@1x.png PNG image data, 1024 x 1024, 8-bit/color RGBA, non-interlaced
Icon-App-20x20@1x.png PNG image data, 20 x 20, 8-bit/color RGBA, non-interlaced
Icon-App-20x20@2x.png PNG image data, 40 x 40, 8-bit/color RGBA, non-interlaced
Icon-App-20x20@3x.png PNG image data, 60 x 60, 8-bit/color RGBA, non-interlaced
Icon-App-29x29@1x.png PNG image data, 29 x 29, 8-bit/color RGBA, non-interlaced
Icon-App-29x29@2x.png PNG image data, 58 x 58, 8-bit/color RGBA, non-interlaced
Icon-App-29x29@3x.png PNG image data, 87 x 87, 8-bit/color RGBA, non-interlaced
Icon-App-40x40@1x.png PNG image data, 40 x 40, 8-bit/color RGBA, non-interlaced
Icon-App-40x40@2x.png PNG image data, 80 x 80, 8-bit/color RGBA, non-interlaced
Icon-App-40x40@3x.png PNG image data, 120 x 120, 8-bit/color RGBA, non-interlaced
Icon-App-50x50@1x.png PNG image data, 50 x 50, 8-bit/color RGBA, non-interlaced
Icon-App-50x50@2x.png PNG image data, 100 x 100, 8-bit/color RGBA, non-interlaced
Icon-App-57x57@1x.png PNG image data, 57 x 57, 8-bit/color RGBA, non-interlaced
Icon-App-57x57@2x.png PNG image data, 114 x 114, 8-bit/color RGBA, non-interlaced
Icon-App-60x60@2x.png PNG image data, 120 x 120, 8-bit/color RGBA, non-interlaced
Icon-App-60x60@3x.png PNG image data, 180 x 180, 8-bit/color RGBA, non-interlaced
Icon-App-72x72@1x.png PNG image data, 72 x 72, 8-bit/color RGBA, non-interlaced
Icon-App-72x72@2x.png PNG image data, 144 x 144, 8-bit/color RGBA, non-interlaced
Icon-App-76x76@1x.png PNG image data, 76 x 76, 8-bit/color RGBA, non-interlaced
Icon-App-76x76@2x.png PNG image data, 152 x 152, 8-bit/color RGBA, non-interlaced
Icon-App-83.5x83.5@2x.png PNG image data, 167 x 167, 8-bit/color RGBA, non-interlaced
dir LaunchImage.imageset
Contents.json JSON text data
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{
  "images" : [
    {
      "idiom" : "universal",
      "filename" : "LaunchImage.png",
      "scale" : "1x"
    },
    {
      "idiom" : "universal",
      "filename" : "LaunchImage@2x.png",
      "scale" : "2x"
    },
    {
      "idiom" : "universal",
      "filename" : "LaunchImage@3x.png",
      "scale" : "3x"
    }
  ],
  "info" : {
    "version" : 1,
    "author" : "xcode"
  }
}
LaunchImage.png PNG image data, 1 x 1, 8-bit gray+alpha, non-interlaced
LaunchImage@2x.png PNG image data, 1 x 1, 8-bit gray+alpha, non-interlaced
LaunchImage@3x.png PNG image data, 1 x 1, 8-bit gray+alpha, non-interlaced
README.md ASCII text
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# Launch Screen Assets

You can customize the launch screen with your own desired assets by replacing the image files in this directory.

You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.
dir Base.lproj
LaunchScreen.storyboard ASCII text
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
    <dependencies>
        <deployment identifier="iOS"/>
        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
    </dependencies>
    <scenes>
        <!--View Controller-->
        <scene sceneID="EHf-IW-A2E">
            <objects>
                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
                    <layoutGuides>
                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
                    </layoutGuides>
                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                        <subviews>
                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
                            </imageView>
                        </subviews>
                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                        <constraints>
                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
                        </constraints>
                    </view>
                </viewController>
                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
            </objects>
            <point key="canvasLocation" x="53" y="375"/>
        </scene>
    </scenes>
    <resources>
        <image name="LaunchImage" width="168" height="185"/>
    </resources>
</document>
Main.storyboard ASCII text
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
    <dependencies>
        <deployment identifier="iOS"/>
        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
    </dependencies>
    <scenes>
        <!--Flutter View Controller-->
        <scene sceneID="tne-QT-ifu">
            <objects>
                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
                    <layoutGuides>
                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
                    </layoutGuides>
                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
                    </view>
                </viewController>
                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
            </objects>
        </scene>
    </scenes>
</document>
AppDelegate.swift ASCII text
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import UIKit
import Flutter

@UIApplicationMain
@objc class AppDelegate: FlutterAppDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    GeneratedPluginRegistrant.register(with: self)
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
}
Info.plist ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>CFBundleDevelopmentRegion</key>
	<string>$(DEVELOPMENT_LANGUAGE)</string>
	<key>CFBundleDisplayName</key>
	<string>15</string>
	<key>CFBundleExecutable</key>
	<string>$(EXECUTABLE_NAME)</string>
	<key>CFBundleIdentifier</key>
	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
	<key>CFBundleInfoDictionaryVersion</key>
	<string>6.0</string>
	<key>CFBundleName</key>
	<string>15</string>
	<key>CFBundlePackageType</key>
	<string>APPL</string>
	<key>CFBundleShortVersionString</key>
	<string>$(FLUTTER_BUILD_NAME)</string>
	<key>CFBundleSignature</key>
	<string>????</string>
	<key>CFBundleVersion</key>
	<string>$(FLUTTER_BUILD_NUMBER)</string>
	<key>LSRequiresIPhoneOS</key>
	<true/>
	<key>UILaunchStoryboardName</key>
	<string>LaunchScreen</string>
	<key>UIMainStoryboardFile</key>
	<string>Main</string>
	<key>UISupportedInterfaceOrientations</key>
	<array>
		<string>UIInterfaceOrientationPortrait</string>
		<string>UIInterfaceOrientationLandscapeLeft</string>
		<string>UIInterfaceOrientationLandscapeRight</string>
	</array>
	<key>UISupportedInterfaceOrientations~ipad</key>
	<array>
		<string>UIInterfaceOrientationPortrait</string>
		<string>UIInterfaceOrientationPortraitUpsideDown</string>
		<string>UIInterfaceOrientationLandscapeLeft</string>
		<string>UIInterfaceOrientationLandscapeRight</string>
	</array>
	<key>UIViewControllerBasedStatusBarAppearance</key>
	<false/>
	<key>CADisableMinimumFrameDurationOnPhone</key>
	<true/>
	<key>UIApplicationSupportsIndirectInputEvents</key>
	<true/>
</dict>
</plist>
Runner-Bridging-Header.h ASCII text
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#import "GeneratedPluginRegistrant.h"
dir Runner.xcodeproj
dir project.xcworkspace
dir xcshareddata
IDEWorkspaceChecks.plist ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>IDEDidComputeMac32BitWarning</key>
	<true/>
</dict>
</plist>
WorkspaceSettings.xcsettings ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>PreviewsEnabled</key>
	<false/>
</dict>
</plist>
contents.xcworkspacedata ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<Workspace
   version = "1.0">
   <FileRef
      location = "self:">
   </FileRef>
</Workspace>
dir xcshareddata
dir xcschemes
Runner.xcscheme ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<Scheme
   LastUpgradeVersion = "1300"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
      buildImplicitDependencies = "YES">
      <BuildActionEntries>
         <BuildActionEntry
            buildForTesting = "YES"
            buildForRunning = "YES"
            buildForProfiling = "YES"
            buildForArchiving = "YES"
            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
               BuildableName = "Runner.app"
               BlueprintName = "Runner"
               ReferencedContainer = "container:Runner.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
      </BuildActionEntries>
   </BuildAction>
   <TestAction
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      shouldUseLaunchSchemeArgsEnv = "YES">
      <MacroExpansion>
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
            BuildableName = "Runner.app"
            BlueprintName = "Runner"
            ReferencedContainer = "container:Runner.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
      <Testables>
         <TestableReference
            skipped = "NO"
            parallelizable = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
               BlueprintIdentifier = "331C8080294A63A400263BE5"
               BuildableName = "RunnerTests.xctest"
               BlueprintName = "RunnerTests"
               ReferencedContainer = "container:Runner.xcodeproj">
            </BuildableReference>
         </TestableReference>
      </Testables>
   </TestAction>
   <LaunchAction
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
      debugDocumentVersioning = "YES"
      debugServiceExtension = "internal"
      allowLocationSimulation = "YES">
      <BuildableProductRunnable
         runnableDebuggingMode = "0">
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
            BuildableName = "Runner.app"
            BlueprintName = "Runner"
            ReferencedContainer = "container:Runner.xcodeproj">
         </BuildableReference>
      </BuildableProductRunnable>
   </LaunchAction>
   <ProfileAction
      buildConfiguration = "Profile"
      shouldUseLaunchSchemeArgsEnv = "YES"
      savedToolIdentifier = ""
      useCustomWorkingDirectory = "NO"
      debugDocumentVersioning = "YES">
      <BuildableProductRunnable
         runnableDebuggingMode = "0">
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
            BuildableName = "Runner.app"
            BlueprintName = "Runner"
            ReferencedContainer = "container:Runner.xcodeproj">
         </BuildableReference>
      </BuildableProductRunnable>
   </ProfileAction>
   <AnalyzeAction
      buildConfiguration = "Debug">
   </AnalyzeAction>
   <ArchiveAction
      buildConfiguration = "Release"
      revealArchiveInOrganizer = "YES">
   </ArchiveAction>
</Scheme>
project.pbxproj ASCII text
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dir Runner.xcworkspace
dir xcshareddata
IDEWorkspaceChecks.plist ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>IDEDidComputeMac32BitWarning</key>
	<true/>
</dict>
</plist>
WorkspaceSettings.xcsettings ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>PreviewsEnabled</key>
	<false/>
</dict>
</plist>
contents.xcworkspacedata ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<Workspace
   version = "1.0">
   <FileRef
      location = "group:Runner.xcodeproj">
   </FileRef>
</Workspace>
dir RunnerTests
RunnerTests.swift ASCII text
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import Flutter
import UIKit
import XCTest

class RunnerTests: XCTestCase {

  func testExample() {
    // If you add code to the Runner application, consider adding tests here.
    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
  }

}
dir lib
board.dart ASCII text
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library;

import "dart:math";

typedef Board = int;
typedef Tile = int;

const Board winningBoard = 0x0FEDCBA987654321;

Tile getTile(Board board, int i) {
  return (board >> (i << 2)) & 0xF;
}

Board setTile(Board board, int i, Tile tile) {
  final bitIdx = i << 2;
  return (board & ~(0xF << bitIdx)) | (tile << bitIdx);
}

Board swapTiles(Board board, int i, int j) {
  int a = getTile(board, i);
  int b = getTile(board, j);
  return setTile(setTile(board, i, b), j, a);
}

Board moveHoleTo(Board board, int newHolePos) {
  int bitPos = (flip(board) & 0xF) << 2;
  int newBitPos = newHolePos << 2;
  int val = (board >> newBitPos) & 0xF;
  return board ^ (val << bitPos) ^ (val << newBitPos);
}

/// Invert ("flip") the permutation of 0 - 15.
Board flip(Board board) {
  Board res = 0;
  for (int i = 0; i < 0x10; i++) {
    final tile = board & 0xF;
    res |= i << (tile << 2);
    board >>= 4;
  }
  return res;
}

bool isSolvable(Board board) {
  int inversions = 0;
  for (int i = 0; i < 0x10; i++) {
    for (int j = i + 1; j < 0x10; j++) {
      final a = getTile(board, i);
      final b = getTile(board, j);
      if (a != 0 && b != 0 && a > b) inversions++;
    }
  }
  final (_, hy) = idxToPos(getTile(flip(board), 0));
  return (inversions + hy).isOdd;
}

String toHex(Board board, [String rowsep = ""]) {
  return Iterable.generate(
      4,
      (y) => Iterable.generate(
              4, (x) => getTile(board, posToIdx(x, y)).toRadixString(0x10))
          .join()).join(rowsep);
}

Board _pack(Iterable<int> nums) {
  assert(nums.length == 0x10);
  return nums.fold(0, (board, tile) => (board << 4) | tile);
}

Board? fromHex(String hex) {
  if (!RegExp(r"^[\da-fA-F]{16}$").hasMatch(hex)) return null;
  return _pack(hex.codeUnits
      .map((c) => int.parse(String.fromCharCode(c), radix: 16))
      .toList()
      .reversed);
}

Board shuffle(Board board, int minMoves, int maxMoves) {
  var holePos = flip(board) & 0xF;
  final rand = Random();
  final moves = rand.nextInt(maxMoves) + minMoves;
  for (int i = 0; i <= moves; i++) {
    List<int> options = [];
    if (holePos > 3) options.add(-4);
    if (holePos < 12) options.add(4);
    int x = holePos & 3;
    if (x > 0) options.add(-1);
    if (x < 3) options.add(1);
    int delta = options[rand.nextInt(options.length)];
    int bitPos = holePos << 2;
    holePos += delta;
    int newBitPos = holePos << 2;
    int val = (board >> newBitPos) & 0xF;
    board ^= (val << bitPos) ^ (val << newBitPos);
  }
  return board;
}

Board randomSolvable() {
  return shuffle(winningBoard, 100, 1000);
}

int posToIdx(int x, int y) {
  return (y << 2) + x;
}

(int, int) idxToPos(int idx) {
  return (idx & 3, idx >> 2);
}

Iterable<Board> solveBFS(int solved, int toSolve, Board start) {
  int flippedMask = (toSolve << 4) | 0xF; // holes matter!
  bool predicate(Board board) => board & toSolve == winningBoard & toSolve;
  if (predicate(start)) return const Iterable.empty();
  List<(Board, Board)> level = [(start, flip(start))];
  Map<Board, Board> predecessor = {flip(start) & flippedMask: 0};
  while (level.isNotEmpty) {
    List<(Board, Board)> nextLevel = [];
    for (final tup in level) {
      final (board, flipped) = tup;
      final holePos = flipped & 0xF;
      Iterable<Board>? move(int dx, int dy) {
        int bitPos = holePos << 2;
        int newHolePos = holePos + posToIdx(dx, dy);
        int newBitPos = newHolePos << 2;
        if ((0xF << newBitPos) & solved != 0) return null;
        int val = (board >> newBitPos) & 0xF;
        final newBoard = board ^ (val << bitPos) ^ (val << newBitPos);
        int valPos = val << 2;
        final newFlipped =
            (((flipped & ~0xF) | newHolePos) & ~(0xF << valPos)) |
                (holePos << valPos);
        if (!predecessor.containsKey(newFlipped & flippedMask)) {
          predecessor[newFlipped & flippedMask] = board;
          if (predicate(newBoard)) {
            List<Board> solution = [newBoard];
            Board preBoard = board;
            while (preBoard != start) {
              solution.add(preBoard);
              preBoard = predecessor[flip(preBoard) & flippedMask]!;
            }
            return solution.reversed;
          }
          nextLevel.add((newBoard, newFlipped));
        }
        return null;
      }

      // Hot loop + no macros = ugly boilerplate (or error abuse or the like)
      final (hx, hy) = idxToPos(holePos);
      if (hx > 0) {
        final res = move(-1, 0);
        if (res != null) return res;
      }
      if (hx < 3) {
        final res = move(1, 0);
        if (res != null) return res;
      }
      if (hy > 0) {
        final res = move(0, -1);
        if (res != null) return res;
      }
      if (hy < 3) {
        final res = move(0, 1);
        if (res != null) return res;
      }
    }
    level = nextLevel;
  }
  throw "unsolvable";
}

Iterable<Board> solve(Board start) {
  const row1 = 0xFFFF;
  const row2 = row1 << 16;
  const upperHalf = row2 | row1;

  final row1Sol = solveBFS(0, row1, start);
  final row2Sol = solveBFS(row1, upperHalf, row1Sol.lastOrNull ?? start);
  final lowerSolution = solveBFS(
      upperHalf, ~0, row2Sol.lastOrNull ?? row1Sol.lastOrNull ?? start);

  return row1Sol.followedBy(row2Sol).followedBy(lowerSolution);
}
main.dart ASCII text
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import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:url_launcher/url_launcher.dart';

import 'board.dart' as brd;

typedef Board = brd.Board;
typedef Tile = brd.Tile;

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: '15',
      theme: ThemeData(
        // Define the default brightness and colors.
        brightness: Brightness.light,
        colorSchemeSeed: Colors.lightBlueAccent,
        useMaterial3: true,
      ),
      home: const MyHomePage(),
    );
  }
}

class _TileWidget extends StatelessWidget {
  final Tile tile;
  final Function()? onPressed;
  final Color? disabledBackgroundColor;
  final bool showBlank;
  const _TileWidget(this.tile, this.onPressed,
      {this.disabledBackgroundColor = const Color.fromARGB(255, 134, 198, 238),
      this.showBlank = false});
  @override
  Widget build(BuildContext context) {
    if (tile == 0 && !showBlank) return Container();
    return Container(
        padding: const EdgeInsets.all(2),
        child: FilledButton(
          key: ValueKey<int>(tile),
          onPressed: onPressed,
          style: FilledButton.styleFrom(
              backgroundColor: const Color.fromARGB(255, 67, 170, 230),
              disabledBackgroundColor: disabledBackgroundColor),
          child: Text(tile == 0 ? "" : tile.toString(),
              style: DefaultTextStyle.of(context)
                  .style
                  .apply(fontSizeFactor: 2.0)),
        ));
  }
}

class _DraggableTileWidget extends StatelessWidget {
  final Tile tile;
  final int idx;
  final Function(Tile) onAccept;
  const _DraggableTileWidget(this.tile, this.idx, this.onAccept);
  @override
  Widget build(BuildContext context) {
    final Widget child = _TileWidget(tile, null, showBlank: true);
    return DragTarget<int>(
      builder: (context, candidateData, rejectedData) => LayoutBuilder(
          builder: (context, constraints) => Draggable<int>(
                data: idx,
                dragAnchorStrategy: pointerDragAnchorStrategy,
                feedback: SizedBox(
                    width: constraints.maxWidth,
                    height: constraints.maxHeight,
                    child: DefaultTextStyle.of(context).wrap(context, child)),
                childWhenDragging: _TileWidget(
                  tile,
                  null,
                  disabledBackgroundColor:
                      const Color.fromARGB(255, 190, 217, 233),
                  showBlank: true,
                ),
                child: child,
              )),
      onAccept: onAccept,
    );
  }
}

class _GameWidget extends StatefulWidget {
  final SharedPreferences? prefs;
  const _GameWidget(this.prefs);
  @override
  State<_GameWidget> createState() => _GameWidgetState();
}

class _GameWidgetState extends State<_GameWidget> {
  Board _board;
  Board get board => _board;
  bool get won => board == brd.winningBoard;
  set board(Board board) {
    _board = board;
    _persist();
  }

  bool _editing = false;
  bool get editing => _editing;
  set editing(bool editing) {
    _editing = editing;
    _persist();
  }

  // These two are deliberately not persisted
  Future<List<Board>>? _solving;
  Timer? _solutionStepper;

  _GameWidgetState() : _board = brd.randomSolvable();

  @override
  initState() {
    super.initState();
    if (widget.prefs == null) return;
    final SharedPreferences prefs = widget.prefs!;
    _editing = prefs.getBool('editing') ?? false;
    final boardHex = prefs.getString('board');
    if (boardHex != null) _board = brd.fromHex(boardHex) ?? _board;
    _persist();
  }

  _persist() {
    if (widget.prefs == null) return;
    final SharedPreferences prefs = widget.prefs!;
    prefs.setBool('editing', editing).then((success) {
      if (success) prefs.setString('board', brd.toHex(board));
      // TODO (...) log failure or notify user
    });
  }

  _move(int toIdx) {
    setState(() {
      board = brd.moveHoleTo(board, toIdx);
    });
  }

  _slide(int dx, int dy) {
    if (_solutionStepper != null || _solving != null || editing) return;
    var (hx, hy) = brd.idxToPos(brd.getTile(brd.flip(board), 0));
    // It is more intuitive to slide in the opposite direction of hole movement.
    hx -= dx;
    hy -= dy;
    if (hx < 0 || hx > 3 || hy < 0 || hy > 3) return;
    _move(brd.posToIdx(hx, hy));
  }

  _solve() {
    setState(() {
      _solving = compute((board) => brd.solve(board).toList(), board);
    });
  }

  _stop() {
    if (_solutionStepper == null) return;
    setState(() {
      _solutionStepper!.cancel();
      _solutionStepper = null;
    });
  }

  _shuffle() {
    setState(() {
      board = brd.randomSolvable();
      _solving = null;
      if (_solutionStepper != null) {
        _solutionStepper!.cancel();
        _solutionStepper = null;
      }
    });
  }

  _edit() {
    _stop();
    setState(() {
      editing = true;
    });
  }

  _done() {
    setState(() {
      editing = false;
    });
  }

  _copy() {
    Clipboard.setData(ClipboardData(text: brd.toHex(board)));
  }

  _paste() {
    Clipboard.getData(Clipboard.kTextPlain).then((value) {
      final text = value?.text;
      if (text == null) return;
      setState(() {
        final clippedboard = brd.fromHex(text);
        if (clippedboard != null) board = clippedboard;
      });
    });
  }

  _reset() {
    setState(() {
      board = brd.winningBoard;
    });
  }

  _swap(int i, j) {
    setState(() {
      board = brd.swapTiles(board, i, j);
    });
  }

  Widget _build() {
    final (hx, hy) = brd.idxToPos(brd.flip(board) & 0xF);
    final buttons = Iterable.generate(
        4,
        (y) => Iterable.generate(4, (x) {
              final idx = brd.posToIdx(x, y);
              Tile tile = brd.getTile(board, idx);
              if (editing) {
                return _DraggableTileWidget(
                  tile,
                  idx,
                  (int j) => _swap(idx, j),
                );
              }
              final neighbor = (x - hx).abs() + (y - hy).abs() == 1;
              return _TileWidget(
                tile,
                neighbor && _solutionStepper == null
                    ? () {
                        _move(idx);
                      }
                    : null,
              );
            }).toList()).toList();
    final grid = GridView.count(
      crossAxisCount: 4,
      shrinkWrap: true,
      physics: const NeverScrollableScrollPhysics(),
      children: buttons.expand((x) => x).toList(),
    );
    return Column(
      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
      children: [
        Row(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
          children: editing
              ? [
                  TextButton(onPressed: _shuffle, child: const Text("Shuffle")),
                  TextButton(onPressed: _reset, child: const Text("Reset")),
                  TextButton(
                      // TODO (...?) disable if clipboard content is invalid
                      onPressed: _paste,
                      child: const Text("Paste")),
                  FilledButton(
                      onPressed: brd.isSolvable(board) ? _done : null,
                      child: const Text("Done")),
                ]
              : [
                  TextButton(onPressed: _shuffle, child: const Text("Shuffle")),
                  TextButton(onPressed: _edit, child: const Text("Edit")),
                  TextButton(
                      onPressed: brd.isSolvable(board) ? _copy : null,
                      child: const Text("Copy")),
                  _solutionStepper == null
                      ? FilledButton(
                          onPressed: won ? null : _solve,
                          child: const Text("Solve"))
                      : FilledButton(
                          onPressed: won ? null : _stop,
                          child: const Text("Stop")),
                ],
        ),
        Expanded(
            child: Center(
                child: Focus(
          autofocus: true,
          onKeyEvent: (_, keyEvent) {
            if (keyEvent is! KeyUpEvent) return KeyEventResult.ignored;
            switch (keyEvent.logicalKey) {
              case LogicalKeyboardKey.keyW:
                _slide(0, -1);
              case LogicalKeyboardKey.keyA:
                _slide(-1, 0);
              case LogicalKeyboardKey.keyS:
                _slide(0, 1);
              case LogicalKeyboardKey.keyD:
                _slide(1, 0);
              default:
                return KeyEventResult.ignored;
            }
            return KeyEventResult.handled;
          },
          child: GestureDetector(
              // TODO make sure that this fires only for the primary axis
              onHorizontalDragEnd: (DragEndDetails details) {
                if (details.primaryVelocity == null) return;
                _slide(details.primaryVelocity!.sign.toInt(), 0);
              },
              onVerticalDragEnd: (DragEndDetails details) {
                if (details.primaryVelocity == null) return;
                _slide(0, details.primaryVelocity!.sign.toInt());
              },
              child: grid),
        ))),
        TextButton(
            onPressed: () {
              launchUrl(Uri.parse("https://en.wikipedia.org/wiki/15_puzzle"),
                  mode: LaunchMode.externalApplication);
            },
            child: const Text("About")),
      ],
    );
  }

  @override
  Widget build(BuildContext context) {
    if (_solving != null) {
      return FutureBuilder<List<Board>>(
        future: _solving,
        builder: (context, snapshot) {
          assert(!snapshot.hasError);
          if (snapshot.hasData) {
            _solving = null;
            final data = snapshot.data!;
            assert(data.isNotEmpty);
            int i = 0;
            _solutionStepper = Timer.periodic(
                const Duration(seconds: 1),
                (Timer t) => setState(() {
                      board = data[i];
                      i++;
                      if (i >= data.length) {
                        _solutionStepper!.cancel();
                        _solutionStepper = null;
                      }
                    }));
            return _build();
          }
          return const Center(child: CircularProgressIndicator());
        },
      );
    }
    return _build();
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});
  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  _MyHomePageState();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        body: Container(
      padding:
          EdgeInsets.fromLTRB(0, MediaQuery.of(context).viewPadding.top, 0, 0),
      child: FutureBuilder<SharedPreferences>(
        future: SharedPreferences.getInstance(),
        builder: (context, snapshot) {
          // Behave gracefully if we don't have persistent storage.
          // TODO (...) log this or notify user about the issue
          if (snapshot.hasError) return const _GameWidget(null);
          if (snapshot.hasData) return _GameWidget(snapshot.data!);
          return const Center(child: CircularProgressIndicator());
        },
      ),
    ));
  }
}
dir linux
dir flutter
CMakeLists.txt ASCII text
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# This file controls Flutter-level build steps. It should not be edited.
cmake_minimum_required(VERSION 3.10)

set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")

# Configuration provided via flutter tool.
include(${EPHEMERAL_DIR}/generated_config.cmake)

# TODO: Move the rest of this into files in ephemeral. See
# https://github.com/flutter/flutter/issues/57146.

# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
# which isn't available in 3.10.
function(list_prepend LIST_NAME PREFIX)
    set(NEW_LIST "")
    foreach(element ${${LIST_NAME}})
        list(APPEND NEW_LIST "${PREFIX}${element}")
    endforeach(element)
    set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
endfunction()

# === Flutter Library ===
# System-level dependencies.
find_package(PkgConfig REQUIRED)
pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)

set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")

# Published to parent scope for install step.
set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)

list(APPEND FLUTTER_LIBRARY_HEADERS
  "fl_basic_message_channel.h"
  "fl_binary_codec.h"
  "fl_binary_messenger.h"
  "fl_dart_project.h"
  "fl_engine.h"
  "fl_json_message_codec.h"
  "fl_json_method_codec.h"
  "fl_message_codec.h"
  "fl_method_call.h"
  "fl_method_channel.h"
  "fl_method_codec.h"
  "fl_method_response.h"
  "fl_plugin_registrar.h"
  "fl_plugin_registry.h"
  "fl_standard_message_codec.h"
  "fl_standard_method_codec.h"
  "fl_string_codec.h"
  "fl_value.h"
  "fl_view.h"
  "flutter_linux.h"
)
list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
add_library(flutter INTERFACE)
target_include_directories(flutter INTERFACE
  "${EPHEMERAL_DIR}"
)
target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
target_link_libraries(flutter INTERFACE
  PkgConfig::GTK
  PkgConfig::GLIB
  PkgConfig::GIO
)
add_dependencies(flutter flutter_assemble)

# === Flutter tool backend ===
# _phony_ is a non-existent file to force this command to run every time,
# since currently there's no way to get a full input/output list from the
# flutter tool.
add_custom_command(
  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
  COMMAND ${CMAKE_COMMAND} -E env
    ${FLUTTER_TOOL_ENVIRONMENT}
    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
      ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
  VERBATIM
)
add_custom_target(flutter_assemble DEPENDS
  "${FLUTTER_LIBRARY}"
  ${FLUTTER_LIBRARY_HEADERS}
)
generated_plugin_registrant.cc ASCII text
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//
//  Generated file. Do not edit.
//

// clang-format off

#include "generated_plugin_registrant.h"

#include <url_launcher_linux/url_launcher_plugin.h>

void fl_register_plugins(FlPluginRegistry* registry) {
  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
}
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//
//  Generated file. Do not edit.
//

// clang-format off

#ifndef GENERATED_PLUGIN_REGISTRANT_
#define GENERATED_PLUGIN_REGISTRANT_

#include <flutter_linux/flutter_linux.h>

// Registers Flutter plugins.
void fl_register_plugins(FlPluginRegistry* registry);

#endif  // GENERATED_PLUGIN_REGISTRANT_
generated_plugins.cmake ASCII text
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#
# Generated file, do not edit.
#

list(APPEND FLUTTER_PLUGIN_LIST
  url_launcher_linux
)

list(APPEND FLUTTER_FFI_PLUGIN_LIST
)

set(PLUGIN_BUNDLED_LIBRARIES)

foreach(plugin ${FLUTTER_PLUGIN_LIST})
  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
endforeach(plugin)

foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin})
  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
endforeach(ffi_plugin)
CMakeLists.txt ASCII text
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# Project-level configuration.
cmake_minimum_required(VERSION 3.10)
project(runner LANGUAGES CXX)

# The name of the executable created for the application. Change this to change
# the on-disk name of your application.
set(BINARY_NAME "fifteen")
# The unique GTK application identifier for this application. See:
# https://wiki.gnome.org/HowDoI/ChooseApplicationID
set(APPLICATION_ID "com.example.fifteen")

# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
# versions of CMake.
cmake_policy(SET CMP0063 NEW)

# Load bundled libraries from the lib/ directory relative to the binary.
set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")

# Root filesystem for cross-building.
if(FLUTTER_TARGET_PLATFORM_SYSROOT)
  set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
  set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
endif()

# Define build configuration options.
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  set(CMAKE_BUILD_TYPE "Debug" CACHE
    STRING "Flutter build mode" FORCE)
  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
    "Debug" "Profile" "Release")
endif()

# Compilation settings that should be applied to most targets.
#
# Be cautious about adding new options here, as plugins use this function by
# default. In most cases, you should add new options to specific targets instead
# of modifying this function.
function(APPLY_STANDARD_SETTINGS TARGET)
  target_compile_features(${TARGET} PUBLIC cxx_std_14)
  target_compile_options(${TARGET} PRIVATE -Wall -Werror)
  target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
  target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
endfunction()

# Flutter library and tool build rules.
set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
add_subdirectory(${FLUTTER_MANAGED_DIR})

# System-level dependencies.
find_package(PkgConfig REQUIRED)
pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)

add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")

# Define the application target. To change its name, change BINARY_NAME above,
# not the value here, or `flutter run` will no longer work.
#
# Any new source files that you add to the application should be added here.
add_executable(${BINARY_NAME}
  "main.cc"
  "my_application.cc"
  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
)

# Apply the standard set of build settings. This can be removed for applications
# that need different build settings.
apply_standard_settings(${BINARY_NAME})

# Add dependency libraries. Add any application-specific dependencies here.
target_link_libraries(${BINARY_NAME} PRIVATE flutter)
target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)

# Run the Flutter tool portions of the build. This must not be removed.
add_dependencies(${BINARY_NAME} flutter_assemble)

# Only the install-generated bundle's copy of the executable will launch
# correctly, since the resources must in the right relative locations. To avoid
# people trying to run the unbundled copy, put it in a subdirectory instead of
# the default top-level location.
set_target_properties(${BINARY_NAME}
  PROPERTIES
  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
)


# Generated plugin build rules, which manage building the plugins and adding
# them to the application.
include(flutter/generated_plugins.cmake)


# === Installation ===
# By default, "installing" just makes a relocatable bundle in the build
# directory.
set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
endif()

# Start with a clean build bundle directory every time.
install(CODE "
  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
  " COMPONENT Runtime)

set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")

install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
  COMPONENT Runtime)

install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
  COMPONENT Runtime)

install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
  COMPONENT Runtime)

foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
  install(FILES "${bundled_library}"
    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
    COMPONENT Runtime)
endforeach(bundled_library)

# Fully re-copy the assets directory on each build to avoid having stale files
# from a previous install.
set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
install(CODE "
  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
  " COMPONENT Runtime)
install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)

# Install the AOT library on non-Debug builds only.
if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
    COMPONENT Runtime)
endif()
main.cc ASCII text
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#include "my_application.h"

int main(int argc, char** argv) {
  g_autoptr(MyApplication) app = my_application_new();
  return g_application_run(G_APPLICATION(app), argc, argv);
}
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#include "my_application.h"

#include <flutter_linux/flutter_linux.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif

#include "flutter/generated_plugin_registrant.h"

struct _MyApplication {
  GtkApplication parent_instance;
  char** dart_entrypoint_arguments;
};

G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)

// Implements GApplication::activate.
static void my_application_activate(GApplication* application) {
  MyApplication* self = MY_APPLICATION(application);
  GtkWindow* window =
      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));

  // Use a header bar when running in GNOME as this is the common style used
  // by applications and is the setup most users will be using (e.g. Ubuntu
  // desktop).
  // If running on X and not using GNOME then just use a traditional title bar
  // in case the window manager does more exotic layout, e.g. tiling.
  // If running on Wayland assume the header bar will work (may need changing
  // if future cases occur).
  gboolean use_header_bar = TRUE;
#ifdef GDK_WINDOWING_X11
  GdkScreen* screen = gtk_window_get_screen(window);
  if (GDK_IS_X11_SCREEN(screen)) {
    const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
    if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
      use_header_bar = FALSE;
    }
  }
#endif
  if (use_header_bar) {
    GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
    gtk_widget_show(GTK_WIDGET(header_bar));
    gtk_header_bar_set_title(header_bar, "15");
    gtk_header_bar_set_show_close_button(header_bar, TRUE);
    gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
  } else {
    gtk_window_set_title(window, "15");
  }

  gtk_window_set_default_size(window, 405, 720);
  gtk_widget_show(GTK_WIDGET(window));

  g_autoptr(FlDartProject) project = fl_dart_project_new();
  fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);

  FlView* view = fl_view_new(project);
  gtk_widget_show(GTK_WIDGET(view));
  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));

  fl_register_plugins(FL_PLUGIN_REGISTRY(view));

  gtk_widget_grab_focus(GTK_WIDGET(view));
}

// Implements GApplication::local_command_line.
static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) {
  MyApplication* self = MY_APPLICATION(application);
  // Strip out the first argument as it is the binary name.
  self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);

  g_autoptr(GError) error = nullptr;
  if (!g_application_register(application, nullptr, &error)) {
     g_warning("Failed to register: %s", error->message);
     *exit_status = 1;
     return TRUE;
  }

  g_application_activate(application);
  *exit_status = 0;

  return TRUE;
}

// Implements GObject::dispose.
static void my_application_dispose(GObject* object) {
  MyApplication* self = MY_APPLICATION(object);
  g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
  G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
}

static void my_application_class_init(MyApplicationClass* klass) {
  G_APPLICATION_CLASS(klass)->activate = my_application_activate;
  G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
  G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
}

static void my_application_init(MyApplication* self) {}

MyApplication* my_application_new() {
  return MY_APPLICATION(g_object_new(my_application_get_type(),
                                     "application-id", APPLICATION_ID,
                                     "flags", G_APPLICATION_NON_UNIQUE,
                                     nullptr));
}
my_application.h ASCII text
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#ifndef FLUTTER_MY_APPLICATION_H_
#define FLUTTER_MY_APPLICATION_H_

#include <gtk/gtk.h>

G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
                     GtkApplication)

/**
 * my_application_new:
 *
 * Creates a new Flutter-based application.
 *
 * Returns: a new #MyApplication.
 */
MyApplication* my_application_new();

#endif  // FLUTTER_MY_APPLICATION_H_
dir macos
dir Flutter
Flutter-Debug.xcconfig ASCII text
1
#include "ephemeral/Flutter-Generated.xcconfig"
Flutter-Release.xcconfig ASCII text
1
#include "ephemeral/Flutter-Generated.xcconfig"
GeneratedPluginRegistrant.swift ASCII text
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//
//  Generated file. Do not edit.
//

import FlutterMacOS
import Foundation

import shared_preferences_foundation
import url_launcher_macos

func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
  SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
}
dir Runner
dir Assets.xcassets
dir AppIcon.appiconset
Contents.json JSON text data
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{
    "info": {
        "version": 1,
        "author": "xcode"
    },
    "images": [
        {
            "size": "16x16",
            "idiom": "mac",
            "filename": "app_icon_16.png",
            "scale": "1x"
        },
        {
            "size": "16x16",
            "idiom": "mac",
            "filename": "app_icon_32.png",
            "scale": "2x"
        },
        {
            "size": "32x32",
            "idiom": "mac",
            "filename": "app_icon_32.png",
            "scale": "1x"
        },
        {
            "size": "32x32",
            "idiom": "mac",
            "filename": "app_icon_64.png",
            "scale": "2x"
        },
        {
            "size": "128x128",
            "idiom": "mac",
            "filename": "app_icon_128.png",
            "scale": "1x"
        },
        {
            "size": "128x128",
            "idiom": "mac",
            "filename": "app_icon_256.png",
            "scale": "2x"
        },
        {
            "size": "256x256",
            "idiom": "mac",
            "filename": "app_icon_256.png",
            "scale": "1x"
        },
        {
            "size": "256x256",
            "idiom": "mac",
            "filename": "app_icon_512.png",
            "scale": "2x"
        },
        {
            "size": "512x512",
            "idiom": "mac",
            "filename": "app_icon_512.png",
            "scale": "1x"
        },
        {
            "size": "512x512",
            "idiom": "mac",
            "filename": "app_icon_1024.png",
            "scale": "2x"
        }
    ]
}
app_icon_1024.png PNG image data, 1024 x 1024, 8-bit/color RGBA, non-interlaced
app_icon_128.png PNG image data, 128 x 128, 8-bit/color RGBA, non-interlaced
app_icon_16.png PNG image data, 16 x 16, 8-bit/color RGBA, non-interlaced
app_icon_256.png PNG image data, 256 x 256, 8-bit/color RGBA, non-interlaced
app_icon_32.png PNG image data, 32 x 32, 8-bit/color RGBA, non-interlaced
app_icon_512.png PNG image data, 512 x 512, 8-bit/color RGBA, non-interlaced
app_icon_64.png PNG image data, 64 x 64, 8-bit/color RGBA, non-interlaced
dir Base.lproj
MainMenu.xib Unicode text, UTF-8 text
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<?xml version="1.0" encoding="UTF-8"?>
<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
    <dependencies>
        <deployment identifier="macosx"/>
        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14490.70"/>
        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <objects>
        <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
            <connections>
                <outlet property="delegate" destination="Voe-Tx-rLC" id="GzC-gU-4Uq"/>
            </connections>
        </customObject>
        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
        <customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModule="Runner" customModuleProvider="target">
            <connections>
                <outlet property="applicationMenu" destination="uQy-DD-JDr" id="XBo-yE-nKs"/>
                <outlet property="mainFlutterWindow" destination="QvC-M9-y7g" id="gIp-Ho-8D9"/>
            </connections>
        </customObject>
        <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
        <menu title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
            <items>
                <menuItem title="APP_NAME" id="1Xt-HY-uBw">
                    <modifierMask key="keyEquivalentModifierMask"/>
                    <menu key="submenu" title="APP_NAME" systemMenu="apple" id="uQy-DD-JDr">
                        <items>
                            <menuItem title="About APP_NAME" id="5kV-Vb-QxS">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <connections>
                                    <action selector="orderFrontStandardAboutPanel:" target="-1" id="Exp-CZ-Vem"/>
                                </connections>
                            </menuItem>
                            <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW"/>
                            <menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
                            <menuItem title="Services" id="NMo-om-nkz">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/>
                            </menuItem>
                            <menuItem isSeparatorItem="YES" id="4je-JR-u6R"/>
                            <menuItem title="Hide APP_NAME" keyEquivalent="h" id="Olw-nP-bQN">
                                <connections>
                                    <action selector="hide:" target="-1" id="PnN-Uc-m68"/>
                                </connections>
                            </menuItem>
                            <menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO">
                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
                                <connections>
                                    <action selector="hideOtherApplications:" target="-1" id="VT4-aY-XCT"/>
                                </connections>
                            </menuItem>
                            <menuItem title="Show All" id="Kd2-mp-pUS">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <connections>
                                    <action selector="unhideAllApplications:" target="-1" id="Dhg-Le-xox"/>
                                </connections>
                            </menuItem>
                            <menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/>
                            <menuItem title="Quit APP_NAME" keyEquivalent="q" id="4sb-4s-VLi">
                                <connections>
                                    <action selector="terminate:" target="-1" id="Te7-pn-YzF"/>
                                </connections>
                            </menuItem>
                        </items>
                    </menu>
                </menuItem>
                <menuItem title="Edit" id="5QF-Oa-p0T">
                    <modifierMask key="keyEquivalentModifierMask"/>
                    <menu key="submenu" title="Edit" id="W48-6f-4Dl">
                        <items>
                            <menuItem title="Undo" keyEquivalent="z" id="dRJ-4n-Yzg">
                                <connections>
                                    <action selector="undo:" target="-1" id="M6e-cu-g7V"/>
                                </connections>
                            </menuItem>
                            <menuItem title="Redo" keyEquivalent="Z" id="6dh-zS-Vam">
                                <connections>
                                    <action selector="redo:" target="-1" id="oIA-Rs-6OD"/>
                                </connections>
                            </menuItem>
                            <menuItem isSeparatorItem="YES" id="WRV-NI-Exz"/>
                            <menuItem title="Cut" keyEquivalent="x" id="uRl-iY-unG">
                                <connections>
                                    <action selector="cut:" target="-1" id="YJe-68-I9s"/>
                                </connections>
                            </menuItem>
                            <menuItem title="Copy" keyEquivalent="c" id="x3v-GG-iWU">
                                <connections>
                                    <action selector="copy:" target="-1" id="G1f-GL-Joy"/>
                                </connections>
                            </menuItem>
                            <menuItem title="Paste" keyEquivalent="v" id="gVA-U4-sdL">
                                <connections>
                                    <action selector="paste:" target="-1" id="UvS-8e-Qdg"/>
                                </connections>
                            </menuItem>
                            <menuItem title="Paste and Match Style" keyEquivalent="V" id="WeT-3V-zwk">
                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
                                <connections>
                                    <action selector="pasteAsPlainText:" target="-1" id="cEh-KX-wJQ"/>
                                </connections>
                            </menuItem>
                            <menuItem title="Delete" id="pa3-QI-u2k">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <connections>
                                    <action selector="delete:" target="-1" id="0Mk-Ml-PaM"/>
                                </connections>
                            </menuItem>
                            <menuItem title="Select All" keyEquivalent="a" id="Ruw-6m-B2m">
                                <connections>
                                    <action selector="selectAll:" target="-1" id="VNm-Mi-diN"/>
                                </connections>
                            </menuItem>
                            <menuItem isSeparatorItem="YES" id="uyl-h8-XO2"/>
                            <menuItem title="Find" id="4EN-yA-p0u">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <menu key="submenu" title="Find" id="1b7-l0-nxx">
                                    <items>
                                        <menuItem title="Find…" tag="1" keyEquivalent="f" id="Xz5-n4-O0W">
                                            <connections>
                                                <action selector="performFindPanelAction:" target="-1" id="cD7-Qs-BN4"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Find and Replace…" tag="12" keyEquivalent="f" id="YEy-JH-Tfz">
                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
                                            <connections>
                                                <action selector="performFindPanelAction:" target="-1" id="WD3-Gg-5AJ"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Find Next" tag="2" keyEquivalent="g" id="q09-fT-Sye">
                                            <connections>
                                                <action selector="performFindPanelAction:" target="-1" id="NDo-RZ-v9R"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Find Previous" tag="3" keyEquivalent="G" id="OwM-mh-QMV">
                                            <connections>
                                                <action selector="performFindPanelAction:" target="-1" id="HOh-sY-3ay"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Use Selection for Find" tag="7" keyEquivalent="e" id="buJ-ug-pKt">
                                            <connections>
                                                <action selector="performFindPanelAction:" target="-1" id="U76-nv-p5D"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Jump to Selection" keyEquivalent="j" id="S0p-oC-mLd">
                                            <connections>
                                                <action selector="centerSelectionInVisibleArea:" target="-1" id="IOG-6D-g5B"/>
                                            </connections>
                                        </menuItem>
                                    </items>
                                </menu>
                            </menuItem>
                            <menuItem title="Spelling and Grammar" id="Dv1-io-Yv7">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <menu key="submenu" title="Spelling" id="3IN-sU-3Bg">
                                    <items>
                                        <menuItem title="Show Spelling and Grammar" keyEquivalent=":" id="HFo-cy-zxI">
                                            <connections>
                                                <action selector="showGuessPanel:" target="-1" id="vFj-Ks-hy3"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Check Document Now" keyEquivalent=";" id="hz2-CU-CR7">
                                            <connections>
                                                <action selector="checkSpelling:" target="-1" id="fz7-VC-reM"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem isSeparatorItem="YES" id="bNw-od-mp5"/>
                                        <menuItem title="Check Spelling While Typing" id="rbD-Rh-wIN">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="toggleContinuousSpellChecking:" target="-1" id="7w6-Qz-0kB"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Check Grammar With Spelling" id="mK6-2p-4JG">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="toggleGrammarChecking:" target="-1" id="muD-Qn-j4w"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Correct Spelling Automatically" id="78Y-hA-62v">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="toggleAutomaticSpellingCorrection:" target="-1" id="2lM-Qi-WAP"/>
                                            </connections>
                                        </menuItem>
                                    </items>
                                </menu>
                            </menuItem>
                            <menuItem title="Substitutions" id="9ic-FL-obx">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <menu key="submenu" title="Substitutions" id="FeM-D8-WVr">
                                    <items>
                                        <menuItem title="Show Substitutions" id="z6F-FW-3nz">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
                                        <menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Smart Quotes" id="hQb-2v-fYv">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Smart Dashes" id="rgM-f4-ycn">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Smart Links" id="cwL-P1-jid">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Data Detectors" id="tRr-pd-1PS">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Text Replacement" id="HFQ-gK-NFA">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
                                            </connections>
                                        </menuItem>
                                    </items>
                                </menu>
                            </menuItem>
                            <menuItem title="Transformations" id="2oI-Rn-ZJC">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <menu key="submenu" title="Transformations" id="c8a-y6-VQd">
                                    <items>
                                        <menuItem title="Make Upper Case" id="vmV-6d-7jI">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Make Lower Case" id="d9M-CD-aMd">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Capitalize" id="UEZ-Bs-lqG">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
                                            </connections>
                                        </menuItem>
                                    </items>
                                </menu>
                            </menuItem>
                            <menuItem title="Speech" id="xrE-MZ-jX0">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <menu key="submenu" title="Speech" id="3rS-ZA-NoH">
                                    <items>
                                        <menuItem title="Start Speaking" id="Ynk-f8-cLZ">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
                                            </connections>
                                        </menuItem>
                                        <menuItem title="Stop Speaking" id="Oyz-dy-DGm">
                                            <modifierMask key="keyEquivalentModifierMask"/>
                                            <connections>
                                                <action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
                                            </connections>
                                        </menuItem>
                                    </items>
                                </menu>
                            </menuItem>
                        </items>
                    </menu>
                </menuItem>
                <menuItem title="View" id="H8h-7b-M4v">
                    <modifierMask key="keyEquivalentModifierMask"/>
                    <menu key="submenu" title="View" id="HyV-fh-RgO">
                        <items>
                            <menuItem title="Enter Full Screen" keyEquivalent="f" id="4J7-dP-txa">
                                <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
                                <connections>
                                    <action selector="toggleFullScreen:" target="-1" id="dU3-MA-1Rq"/>
                                </connections>
                            </menuItem>
                        </items>
                    </menu>
                </menuItem>
                <menuItem title="Window" id="aUF-d1-5bR">
                    <modifierMask key="keyEquivalentModifierMask"/>
                    <menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
                        <items>
                            <menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
                                <connections>
                                    <action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
                                </connections>
                            </menuItem>
                            <menuItem title="Zoom" id="R4o-n2-Eq4">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <connections>
                                    <action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
                                </connections>
                            </menuItem>
                            <menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
                            <menuItem title="Bring All to Front" id="LE2-aR-0XJ">
                                <modifierMask key="keyEquivalentModifierMask"/>
                                <connections>
                                    <action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
                                </connections>
                            </menuItem>
                        </items>
                    </menu>
                </menuItem>
                <menuItem title="Help" id="EPT-qC-fAb">
                    <modifierMask key="keyEquivalentModifierMask"/>
                    <menu key="submenu" title="Help" systemMenu="help" id="rJ0-wn-3NY"/>
                </menuItem>
            </items>
            <point key="canvasLocation" x="142" y="-258"/>
        </menu>
        <window title="APP_NAME" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MainFlutterWindow" customModule="Runner" customModuleProvider="target">
            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
            <rect key="contentRect" x="335" y="390" width="405" height="720"/>
            <rect key="screenRect" x="0.0" y="0.0" width="2560" height="1577"/>
            <view key="contentView" wantsLayer="YES" id="EiT-Mj-1SZ">
                <rect key="frame" x="0.0" y="0.0" width="405" height="720"/>
                <autoresizingMask key="autoresizingMask"/>
            </view>
        </window>
    </objects>
</document>
dir Configs
AppInfo.xcconfig Unicode text, UTF-8 text
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// Application-level settings for the Runner target.
//
// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the
// future. If not, the values below would default to using the project name when this becomes a
// 'flutter create' template.

// The application's name. By default this is also the title of the Flutter window.
PRODUCT_NAME = 15

// The application's bundle identifier
PRODUCT_BUNDLE_IDENTIFIER = com.example.fifteen

// The copyright displayed in application information
// TODO update this
PRODUCT_COPYRIGHT = Copyright © 2023
Debug.xcconfig ASCII text
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#include "../../Flutter/Flutter-Debug.xcconfig"
#include "Warnings.xcconfig"
Release.xcconfig ASCII text
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#include "../../Flutter/Flutter-Release.xcconfig"
#include "Warnings.xcconfig"
Warnings.xcconfig ASCII text
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WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings
GCC_WARN_UNDECLARED_SELECTOR = YES
CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES
CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE
CLANG_WARN__DUPLICATE_METHOD_MATCH = YES
CLANG_WARN_PRAGMA_PACK = YES
CLANG_WARN_STRICT_PROTOTYPES = YES
CLANG_WARN_COMMA = YES
GCC_WARN_STRICT_SELECTOR_MATCH = YES
CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES
CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
GCC_WARN_SHADOW = YES
CLANG_WARN_UNREACHABLE_CODE = YES
AppDelegate.swift ASCII text
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import Cocoa
import FlutterMacOS

@NSApplicationMain
class AppDelegate: FlutterAppDelegate {
  override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
    return true
  }
}
DebugProfile.entitlements ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>com.apple.security.app-sandbox</key>
	<true/>
	<key>com.apple.security.cs.allow-jit</key>
	<true/>
	<key>com.apple.security.network.server</key>
	<true/>
</dict>
</plist>
Info.plist ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>CFBundleDevelopmentRegion</key>
	<string>$(DEVELOPMENT_LANGUAGE)</string>
	<key>CFBundleExecutable</key>
	<string>$(EXECUTABLE_NAME)</string>
	<key>CFBundleIconFile</key>
	<string></string>
	<key>CFBundleIdentifier</key>
	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
	<key>CFBundleInfoDictionaryVersion</key>
	<string>6.0</string>
	<key>CFBundleName</key>
	<string>$(PRODUCT_NAME)</string>
	<key>CFBundlePackageType</key>
	<string>APPL</string>
	<key>CFBundleShortVersionString</key>
	<string>$(FLUTTER_BUILD_NAME)</string>
	<key>CFBundleVersion</key>
	<string>$(FLUTTER_BUILD_NUMBER)</string>
	<key>LSMinimumSystemVersion</key>
	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
	<key>NSHumanReadableCopyright</key>
	<string>$(PRODUCT_COPYRIGHT)</string>
	<key>NSMainNibFile</key>
	<string>MainMenu</string>
	<key>NSPrincipalClass</key>
	<string>NSApplication</string>
</dict>
</plist>
MainFlutterWindow.swift ASCII text
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import Cocoa
import FlutterMacOS

class MainFlutterWindow: NSWindow {
  override func awakeFromNib() {
    let flutterViewController = FlutterViewController()
    let windowFrame = self.frame
    self.contentViewController = flutterViewController
    self.setFrame(windowFrame, display: true)

    RegisterGeneratedPlugins(registry: flutterViewController)

    super.awakeFromNib()
  }
}
Release.entitlements ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>com.apple.security.app-sandbox</key>
	<true/>
</dict>
</plist>
dir Runner.xcodeproj
dir project.xcworkspace
dir xcshareddata
IDEWorkspaceChecks.plist ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>IDEDidComputeMac32BitWarning</key>
	<true/>
</dict>
</plist>
dir xcshareddata
dir xcschemes
Runner.xcscheme ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<Scheme
   LastUpgradeVersion = "1300"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
      buildImplicitDependencies = "YES">
      <BuildActionEntries>
         <BuildActionEntry
            buildForTesting = "YES"
            buildForRunning = "YES"
            buildForProfiling = "YES"
            buildForArchiving = "YES"
            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
               BlueprintIdentifier = "33CC10EC2044A3C60003C045"
               BuildableName = "fifteen.app"
               BlueprintName = "Runner"
               ReferencedContainer = "container:Runner.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
      </BuildActionEntries>
   </BuildAction>
   <TestAction
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      shouldUseLaunchSchemeArgsEnv = "YES">
      <MacroExpansion>
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
            BuildableName = "fifteen.app"
            BlueprintName = "Runner"
            ReferencedContainer = "container:Runner.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
      <Testables>
         <TestableReference
            skipped = "NO"
            parallelizable = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
               BlueprintIdentifier = "331C80D4294CF70F00263BE5"
               BuildableName = "RunnerTests.xctest"
               BlueprintName = "RunnerTests"
               ReferencedContainer = "container:Runner.xcodeproj">
            </BuildableReference>
         </TestableReference>
      </Testables>
   </TestAction>
   <LaunchAction
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
      debugDocumentVersioning = "YES"
      debugServiceExtension = "internal"
      allowLocationSimulation = "YES">
      <BuildableProductRunnable
         runnableDebuggingMode = "0">
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
            BuildableName = "fifteen.app"
            BlueprintName = "Runner"
            ReferencedContainer = "container:Runner.xcodeproj">
         </BuildableReference>
      </BuildableProductRunnable>
   </LaunchAction>
   <ProfileAction
      buildConfiguration = "Profile"
      shouldUseLaunchSchemeArgsEnv = "YES"
      savedToolIdentifier = ""
      useCustomWorkingDirectory = "NO"
      debugDocumentVersioning = "YES">
      <BuildableProductRunnable
         runnableDebuggingMode = "0">
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
            BuildableName = "fifteen.app"
            BlueprintName = "Runner"
            ReferencedContainer = "container:Runner.xcodeproj">
         </BuildableReference>
      </BuildableProductRunnable>
   </ProfileAction>
   <AnalyzeAction
      buildConfiguration = "Debug">
   </AnalyzeAction>
   <ArchiveAction
      buildConfiguration = "Release"
      revealArchiveInOrganizer = "YES">
   </ArchiveAction>
</Scheme>
project.pbxproj ASCII text
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// !$*UTF8*$!
{
	archiveVersion = 1;
	classes = {
	};
	objectVersion = 54;
	objects = {

/* Begin PBXAggregateTarget section */
		33CC111A2044C6BA0003C045 /* Flutter Assemble */ = {
			isa = PBXAggregateTarget;
			buildConfigurationList = 33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */;
			buildPhases = (
				33CC111E2044C6BF0003C045 /* ShellScript */,
			);
			dependencies = (
			);
			name = "Flutter Assemble";
			productName = FLX;
		};
/* End PBXAggregateTarget section */

/* Begin PBXBuildFile section */
		331C80D8294CF71000263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C80D7294CF71000263BE5 /* RunnerTests.swift */; };
		335BBD1B22A9A15E00E9071D /* GeneratedPluginRegistrant.swift in Sources */ = {isa = PBXBuildFile; fileRef = 335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */; };
		33CC10F12044A3C60003C045 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC10F02044A3C60003C045 /* AppDelegate.swift */; };
		33CC10F32044A3C60003C045 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F22044A3C60003C045 /* Assets.xcassets */; };
		33CC10F62044A3C60003C045 /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F42044A3C60003C045 /* MainMenu.xib */; };
		33CC11132044BFA00003C045 /* MainFlutterWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC11122044BFA00003C045 /* MainFlutterWindow.swift */; };
/* End PBXBuildFile section */

/* Begin PBXContainerItemProxy section */
		331C80D9294CF71000263BE5 /* PBXContainerItemProxy */ = {
			isa = PBXContainerItemProxy;
			containerPortal = 33CC10E52044A3C60003C045 /* Project object */;
			proxyType = 1;
			remoteGlobalIDString = 33CC10EC2044A3C60003C045;
			remoteInfo = Runner;
		};
		33CC111F2044C79F0003C045 /* PBXContainerItemProxy */ = {
			isa = PBXContainerItemProxy;
			containerPortal = 33CC10E52044A3C60003C045 /* Project object */;
			proxyType = 1;
			remoteGlobalIDString = 33CC111A2044C6BA0003C045;
			remoteInfo = FLX;
		};
/* End PBXContainerItemProxy section */

/* Begin PBXCopyFilesBuildPhase section */
		33CC110E2044A8840003C045 /* Bundle Framework */ = {
			isa = PBXCopyFilesBuildPhase;
			buildActionMask = 2147483647;
			dstPath = "";
			dstSubfolderSpec = 10;
			files = (
			);
			name = "Bundle Framework";
			runOnlyForDeploymentPostprocessing = 0;
		};
/* End PBXCopyFilesBuildPhase section */

/* Begin PBXFileReference section */
		331C80D5294CF71000263BE5 /* RunnerTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = RunnerTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
		331C80D7294CF71000263BE5 /* RunnerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RunnerTests.swift; sourceTree = "<group>"; };
		333000ED22D3DE5D00554162 /* Warnings.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Warnings.xcconfig; sourceTree = "<group>"; };
		335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GeneratedPluginRegistrant.swift; sourceTree = "<group>"; };
		33CC10ED2044A3C60003C045 /* fifteen.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "fifteen.app"; sourceTree = BUILT_PRODUCTS_DIR; };
		33CC10F02044A3C60003C045 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
		33CC10F22044A3C60003C045 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; name = Assets.xcassets; path = Runner/Assets.xcassets; sourceTree = "<group>"; };
		33CC10F52044A3C60003C045 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/MainMenu.xib; sourceTree = "<group>"; };
		33CC10F72044A3C60003C045 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; name = Info.plist; path = Runner/Info.plist; sourceTree = "<group>"; };
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			name = Debug;
		};
		33CC10FD2044A3C60003C045 /* Release */ = {
			isa = XCBuildConfiguration;
			baseConfigurationReference = 33E5194F232828860026EE4D /* AppInfo.xcconfig */;
			buildSettings = {
				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
				CLANG_ENABLE_MODULES = YES;
				CODE_SIGN_ENTITLEMENTS = Runner/Release.entitlements;
				CODE_SIGN_STYLE = Automatic;
				COMBINE_HIDPI_IMAGES = YES;
				INFOPLIST_FILE = Runner/Info.plist;
				LD_RUNPATH_SEARCH_PATHS = (
					"$(inherited)",
					"@executable_path/../Frameworks",
				);
				PROVISIONING_PROFILE_SPECIFIER = "";
				SWIFT_VERSION = 5.0;
			};
			name = Release;
		};
		33CC111C2044C6BA0003C045 /* Debug */ = {
			isa = XCBuildConfiguration;
			buildSettings = {
				CODE_SIGN_STYLE = Manual;
				PRODUCT_NAME = "$(TARGET_NAME)";
			};
			name = Debug;
		};
		33CC111D2044C6BA0003C045 /* Release */ = {
			isa = XCBuildConfiguration;
			buildSettings = {
				CODE_SIGN_STYLE = Automatic;
				PRODUCT_NAME = "$(TARGET_NAME)";
			};
			name = Release;
		};
/* End XCBuildConfiguration section */

/* Begin XCConfigurationList section */
		331C80DE294CF71000263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
			isa = XCConfigurationList;
			buildConfigurations = (
				331C80DB294CF71000263BE5 /* Debug */,
				331C80DC294CF71000263BE5 /* Release */,
				331C80DD294CF71000263BE5 /* Profile */,
			);
			defaultConfigurationIsVisible = 0;
			defaultConfigurationName = Release;
		};
		33CC10E82044A3C60003C045 /* Build configuration list for PBXProject "Runner" */ = {
			isa = XCConfigurationList;
			buildConfigurations = (
				33CC10F92044A3C60003C045 /* Debug */,
				33CC10FA2044A3C60003C045 /* Release */,
				338D0CE9231458BD00FA5F75 /* Profile */,
			);
			defaultConfigurationIsVisible = 0;
			defaultConfigurationName = Release;
		};
		33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */ = {
			isa = XCConfigurationList;
			buildConfigurations = (
				33CC10FC2044A3C60003C045 /* Debug */,
				33CC10FD2044A3C60003C045 /* Release */,
				338D0CEA231458BD00FA5F75 /* Profile */,
			);
			defaultConfigurationIsVisible = 0;
			defaultConfigurationName = Release;
		};
		33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */ = {
			isa = XCConfigurationList;
			buildConfigurations = (
				33CC111C2044C6BA0003C045 /* Debug */,
				33CC111D2044C6BA0003C045 /* Release */,
				338D0CEB231458BD00FA5F75 /* Profile */,
			);
			defaultConfigurationIsVisible = 0;
			defaultConfigurationName = Release;
		};
/* End XCConfigurationList section */
	};
	rootObject = 33CC10E52044A3C60003C045 /* Project object */;
}
dir Runner.xcworkspace
dir xcshareddata
IDEWorkspaceChecks.plist ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>IDEDidComputeMac32BitWarning</key>
	<true/>
</dict>
</plist>
contents.xcworkspacedata ASCII text
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<?xml version="1.0" encoding="UTF-8"?>
<Workspace
   version = "1.0">
   <FileRef
      location = "group:Runner.xcodeproj">
   </FileRef>
</Workspace>
dir RunnerTests
RunnerTests.swift ASCII text
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import FlutterMacOS
import Cocoa
import XCTest

class RunnerTests: XCTestCase {

  func testExample() {
    // If you add code to the Runner application, consider adding tests here.
    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
  }

}
dir web
dir icons
Icon-192.png PNG image data, 192 x 192, 8-bit/color RGBA, non-interlaced
Icon-512.png PNG image data, 512 x 512, 8-bit/color RGBA, non-interlaced
Icon-maskable-192.png PNG image data, 192 x 192, 8-bit/color RGBA, non-interlaced
Icon-maskable-512.png PNG image data, 512 x 512, 8-bit/color RGBA, non-interlaced
favicon.png PNG image data, 16 x 16, 8-bit/color RGBA, non-interlaced
index.html ASCII text
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<!DOCTYPE html>
<html>
<head>
  <!--
    If you are serving your web app in a path other than the root, change the
    href value below to reflect the base path you are serving from.

    The path provided below has to start and end with a slash "/" in order for
    it to work correctly.

    For more details:
    * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base

    This is a placeholder for base href that will be replaced by the value of
    the `--base-href` argument provided to `flutter build`.
  -->
  <base href="$FLUTTER_BASE_HREF">

  <meta charset="UTF-8">
  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
  <meta name="description" content="A new Flutter project.">

  <!-- iOS meta tags & icons -->
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name="apple-mobile-web-app-status-bar-style" content="black">
  <meta name="apple-mobile-web-app-title" content="15">
  <link rel="apple-touch-icon" href="icons/Icon-192.png">

  <!-- Favicon -->
  <link rel="icon" type="image/png" href="favicon.png"/>

  <title>15</title>
  <link rel="manifest" href="manifest.json">

  <script>
    // The value below is injected by flutter build, do not touch.
    var serviceWorkerVersion = null;
  </script>
  <!-- This script adds the flutter initialization JS code -->
  <script src="flutter.js" defer></script>
</head>
<body>
  <script>
    window.addEventListener('load', function(ev) {
      // Download main.dart.js
      _flutter.loader.loadEntrypoint({
        serviceWorker: {
          serviceWorkerVersion: serviceWorkerVersion,
        },
        onEntrypointLoaded: function(engineInitializer) {
          engineInitializer.initializeEngine().then(function(appRunner) {
            appRunner.runApp();
          });
        }
      });
    });
  </script>
</body>
</html>
manifest.json JSON text data
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{
    "name": "15",
    "short_name": "15",
    "start_url": ".",
    "display": "standalone",
    "background_color": "#ffffff",
    "theme_color": "#000000",
    "description": "A new Flutter project.",
    "orientation": "portrait-primary",
    "prefer_related_applications": false,
    "icons": [
        {
            "src": "icons/Icon-192.png",
            "sizes": "192x192",
            "type": "image/png"
        },
        {
            "src": "icons/Icon-512.png",
            "sizes": "512x512",
            "type": "image/png"
        },
        {
            "src": "icons/Icon-maskable-192.png",
            "sizes": "192x192",
            "type": "image/png",
            "purpose": "maskable"
        },
        {
            "src": "icons/Icon-maskable-512.png",
            "sizes": "512x512",
            "type": "image/png",
            "purpose": "maskable"
        }
    ]
}
dir windows
dir flutter
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# This file controls Flutter-level build steps. It should not be edited.
cmake_minimum_required(VERSION 3.14)

set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")

# Configuration provided via flutter tool.
include(${EPHEMERAL_DIR}/generated_config.cmake)

# TODO: Move the rest of this into files in ephemeral. See
# https://github.com/flutter/flutter/issues/57146.
set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")

# === Flutter Library ===
set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")

# Published to parent scope for install step.
set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE)

list(APPEND FLUTTER_LIBRARY_HEADERS
  "flutter_export.h"
  "flutter_windows.h"
  "flutter_messenger.h"
  "flutter_plugin_registrar.h"
  "flutter_texture_registrar.h"
)
list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
add_library(flutter INTERFACE)
target_include_directories(flutter INTERFACE
  "${EPHEMERAL_DIR}"
)
target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
add_dependencies(flutter flutter_assemble)

# === Wrapper ===
list(APPEND CPP_WRAPPER_SOURCES_CORE
  "core_implementations.cc"
  "standard_codec.cc"
)
list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
  "plugin_registrar.cc"
)
list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
list(APPEND CPP_WRAPPER_SOURCES_APP
  "flutter_engine.cc"
  "flutter_view_controller.cc"
)
list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")

# Wrapper sources needed for a plugin.
add_library(flutter_wrapper_plugin STATIC
  ${CPP_WRAPPER_SOURCES_CORE}
  ${CPP_WRAPPER_SOURCES_PLUGIN}
)
apply_standard_settings(flutter_wrapper_plugin)
set_target_properties(flutter_wrapper_plugin PROPERTIES
  POSITION_INDEPENDENT_CODE ON)
set_target_properties(flutter_wrapper_plugin PROPERTIES
  CXX_VISIBILITY_PRESET hidden)
target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
target_include_directories(flutter_wrapper_plugin PUBLIC
  "${WRAPPER_ROOT}/include"
)
add_dependencies(flutter_wrapper_plugin flutter_assemble)

# Wrapper sources needed for the runner.
add_library(flutter_wrapper_app STATIC
  ${CPP_WRAPPER_SOURCES_CORE}
  ${CPP_WRAPPER_SOURCES_APP}
)
apply_standard_settings(flutter_wrapper_app)
target_link_libraries(flutter_wrapper_app PUBLIC flutter)
target_include_directories(flutter_wrapper_app PUBLIC
  "${WRAPPER_ROOT}/include"
)
add_dependencies(flutter_wrapper_app flutter_assemble)

# === Flutter tool backend ===
# _phony_ is a non-existent file to force this command to run every time,
# since currently there's no way to get a full input/output list from the
# flutter tool.
set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
add_custom_command(
  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
    ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
    ${CPP_WRAPPER_SOURCES_APP}
    ${PHONY_OUTPUT}
  COMMAND ${CMAKE_COMMAND} -E env
    ${FLUTTER_TOOL_ENVIRONMENT}
    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
      windows-x64 $<CONFIG>
  VERBATIM
)
add_custom_target(flutter_assemble DEPENDS
  "${FLUTTER_LIBRARY}"
  ${FLUTTER_LIBRARY_HEADERS}
  ${CPP_WRAPPER_SOURCES_CORE}
  ${CPP_WRAPPER_SOURCES_PLUGIN}
  ${CPP_WRAPPER_SOURCES_APP}
)
generated_plugin_registrant.cc ASCII text
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//
//  Generated file. Do not edit.
//

// clang-format off

#include "generated_plugin_registrant.h"

#include <url_launcher_windows/url_launcher_windows.h>

void RegisterPlugins(flutter::PluginRegistry* registry) {
  UrlLauncherWindowsRegisterWithRegistrar(
      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
}
generated_plugin_registrant.h ASCII text
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//
//  Generated file. Do not edit.
//

// clang-format off

#ifndef GENERATED_PLUGIN_REGISTRANT_
#define GENERATED_PLUGIN_REGISTRANT_

#include <flutter/plugin_registry.h>

// Registers Flutter plugins.
void RegisterPlugins(flutter::PluginRegistry* registry);

#endif  // GENERATED_PLUGIN_REGISTRANT_
generated_plugins.cmake ASCII text
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#
# Generated file, do not edit.
#

list(APPEND FLUTTER_PLUGIN_LIST
  url_launcher_windows
)

list(APPEND FLUTTER_FFI_PLUGIN_LIST
)

set(PLUGIN_BUNDLED_LIBRARIES)

foreach(plugin ${FLUTTER_PLUGIN_LIST})
  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin})
  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
endforeach(plugin)

foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin})
  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
endforeach(ffi_plugin)
dir runner
dir resources
app_icon.ico MS Windows icon resource - 1 icon, -128x-128 with PNG image data, 128 x 128, 8-bit/color RGBA, non-interlaced, 32 bits/pixel
1
cg: couldn't decode file contents
CMakeLists.txt ASCII text
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cmake_minimum_required(VERSION 3.14)
project(runner LANGUAGES CXX)

# Define the application target. To change its name, change BINARY_NAME in the
# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
# work.
#
# Any new source files that you add to the application should be added here.
add_executable(${BINARY_NAME} WIN32
  "flutter_window.cpp"
  "main.cpp"
  "utils.cpp"
  "win32_window.cpp"
  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
  "Runner.rc"
  "runner.exe.manifest"
)

# Apply the standard set of build settings. This can be removed for applications
# that need different build settings.
apply_standard_settings(${BINARY_NAME})

# Add preprocessor definitions for the build version.
target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"")
target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}")
target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}")
target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}")
target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}")

# Disable Windows macros that collide with C++ standard library functions.
target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")

# Add dependency libraries and include directories. Add any application-specific
# dependencies here.
target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib")
target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")

# Run the Flutter tool portions of the build. This must not be removed.
add_dependencies(${BINARY_NAME} flutter_assemble)
Runner.rc ASCII text
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// Microsoft Visual C++ generated resource script.
//
#pragma code_page(65001)
#include "resource.h"

#define APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 2 resource.
//
#include "winres.h"

/////////////////////////////////////////////////////////////////////////////
#undef APSTUDIO_READONLY_SYMBOLS

/////////////////////////////////////////////////////////////////////////////
// English (United States) resources

#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US

#ifdef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// TEXTINCLUDE
//

1 TEXTINCLUDE
BEGIN
    "resource.h\0"
END

2 TEXTINCLUDE
BEGIN
    "#include ""winres.h""\r\n"
    "\0"
END

3 TEXTINCLUDE
BEGIN
    "\r\n"
    "\0"
END

#endif    // APSTUDIO_INVOKED


/////////////////////////////////////////////////////////////////////////////
//
// Icon
//

// Icon with lowest ID value placed first to ensure application icon
// remains consistent on all systems.
IDI_APP_ICON            ICON                    "resources\\app_icon.ico"


/////////////////////////////////////////////////////////////////////////////
//
// Version
//

#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD)
#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD
#else
#define VERSION_AS_NUMBER 1,0,0,0
#endif

#if defined(FLUTTER_VERSION)
#define VERSION_AS_STRING FLUTTER_VERSION
#else
#define VERSION_AS_STRING "1.0.0"
#endif

VS_VERSION_INFO VERSIONINFO
 FILEVERSION VERSION_AS_NUMBER
 PRODUCTVERSION VERSION_AS_NUMBER
 FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
#ifdef _DEBUG
 FILEFLAGS VS_FF_DEBUG
#else
 FILEFLAGS 0x0L
#endif
 FILEOS VOS__WINDOWS32
 FILETYPE VFT_APP
 FILESUBTYPE 0x0L
BEGIN
    BLOCK "StringFileInfo"
    BEGIN
        BLOCK "040904e4"
        BEGIN
            VALUE "CompanyName", "com.example" "\0"
            VALUE "FileDescription", "15" "\0"
            VALUE "FileVersion", VERSION_AS_STRING "\0"
            VALUE "InternalName", "15" "\0"
            VALUE "LegalCopyright", "Copyright (C) 2023 com.example. All rights reserved." "\0"
            VALUE "OriginalFilename", "fifteen.exe" "\0"
            VALUE "ProductName", "15" "\0"
            VALUE "ProductVersion", VERSION_AS_STRING "\0"
        END
    END
    BLOCK "VarFileInfo"
    BEGIN
        VALUE "Translation", 0x409, 1252
    END
END

#endif    // English (United States) resources
/////////////////////////////////////////////////////////////////////////////



#ifndef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 3 resource.
//


/////////////////////////////////////////////////////////////////////////////
#endif    // not APSTUDIO_INVOKED
flutter_window.cpp ASCII text
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#include "flutter_window.h"

#include <optional>

#include "flutter/generated_plugin_registrant.h"

FlutterWindow::FlutterWindow(const flutter::DartProject& project)
    : project_(project) {}

FlutterWindow::~FlutterWindow() {}

bool FlutterWindow::OnCreate() {
  if (!Win32Window::OnCreate()) {
    return false;
  }

  RECT frame = GetClientArea();

  // The size here must match the window dimensions to avoid unnecessary surface
  // creation / destruction in the startup path.
  flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
      frame.right - frame.left, frame.bottom - frame.top, project_);
  // Ensure that basic setup of the controller was successful.
  if (!flutter_controller_->engine() || !flutter_controller_->view()) {
    return false;
  }
  RegisterPlugins(flutter_controller_->engine());
  SetChildContent(flutter_controller_->view()->GetNativeWindow());

  flutter_controller_->engine()->SetNextFrameCallback([&]() {
    this->Show();
  });

  return true;
}

void FlutterWindow::OnDestroy() {
  if (flutter_controller_) {
    flutter_controller_ = nullptr;
  }

  Win32Window::OnDestroy();
}

LRESULT
FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
                              WPARAM const wparam,
                              LPARAM const lparam) noexcept {
  // Give Flutter, including plugins, an opportunity to handle window messages.
  if (flutter_controller_) {
    std::optional<LRESULT> result =
        flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
                                                      lparam);
    if (result) {
      return *result;
    }
  }

  switch (message) {
    case WM_FONTCHANGE:
      flutter_controller_->engine()->ReloadSystemFonts();
      break;
  }

  return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
}
flutter_window.h ASCII text
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#ifndef RUNNER_FLUTTER_WINDOW_H_
#define RUNNER_FLUTTER_WINDOW_H_

#include <flutter/dart_project.h>
#include <flutter/flutter_view_controller.h>

#include <memory>

#include "win32_window.h"

// A window that does nothing but host a Flutter view.
class FlutterWindow : public Win32Window {
 public:
  // Creates a new FlutterWindow hosting a Flutter view running |project|.
  explicit FlutterWindow(const flutter::DartProject& project);
  virtual ~FlutterWindow();

 protected:
  // Win32Window:
  bool OnCreate() override;
  void OnDestroy() override;
  LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
                         LPARAM const lparam) noexcept override;

 private:
  // The project to run.
  flutter::DartProject project_;

  // The Flutter instance hosted by this window.
  std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
};

#endif  // RUNNER_FLUTTER_WINDOW_H_
main.cpp ASCII text
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#include <flutter/dart_project.h>
#include <flutter/flutter_view_controller.h>
#include <windows.h>

#include "flutter_window.h"
#include "utils.h"

int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
                      _In_ wchar_t *command_line, _In_ int show_command) {
  // Attach to console when present (e.g., 'flutter run') or create a
  // new console when running with a debugger.
  if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
    CreateAndAttachConsole();
  }

  // Initialize COM, so that it is available for use in the library and/or
  // plugins.
  ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);

  flutter::DartProject project(L"data");

  std::vector<std::string> command_line_arguments =
      GetCommandLineArguments();

  project.set_dart_entrypoint_arguments(std::move(command_line_arguments));

  FlutterWindow window(project);
  Win32Window::Point origin(10, 10);
  Win32Window::Size size(405, 720);
  if (!window.Create(L"15", origin, size)) {
    return EXIT_FAILURE;
  }
  window.SetQuitOnClose(true);

  ::MSG msg;
  while (::GetMessage(&msg, nullptr, 0, 0)) {
    ::TranslateMessage(&msg);
    ::DispatchMessage(&msg);
  }

  ::CoUninitialize();
  return EXIT_SUCCESS;
}
resource.h ASCII text
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//{{NO_DEPENDENCIES}}
// Microsoft Visual C++ generated include file.
// Used by Runner.rc
//
#define IDI_APP_ICON                    101

// Next default values for new objects
//
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS
#define _APS_NEXT_RESOURCE_VALUE        102
#define _APS_NEXT_COMMAND_VALUE         40001
#define _APS_NEXT_CONTROL_VALUE         1001
#define _APS_NEXT_SYMED_VALUE           101
#endif
#endif
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
  <application xmlns="urn:schemas-microsoft-com:asm.v3">
    <windowsSettings>
      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
    </windowsSettings>
  </application>
  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
    <application>
      <!-- Windows 10 and Windows 11 -->
      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
      <!-- Windows 8.1 -->
      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
      <!-- Windows 8 -->
      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
      <!-- Windows 7 -->
      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
    </application>
  </compatibility>
</assembly>
utils.cpp ASCII text
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#include "utils.h"

#include <flutter_windows.h>
#include <io.h>
#include <stdio.h>
#include <windows.h>

#include <iostream>

void CreateAndAttachConsole() {
  if (::AllocConsole()) {
    FILE *unused;
    if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
      _dup2(_fileno(stdout), 1);
    }
    if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
      _dup2(_fileno(stdout), 2);
    }
    std::ios::sync_with_stdio();
    FlutterDesktopResyncOutputStreams();
  }
}

std::vector<std::string> GetCommandLineArguments() {
  // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
  int argc;
  wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
  if (argv == nullptr) {
    return std::vector<std::string>();
  }

  std::vector<std::string> command_line_arguments;

  // Skip the first argument as it's the binary name.
  for (int i = 1; i < argc; i++) {
    command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
  }

  ::LocalFree(argv);

  return command_line_arguments;
}

std::string Utf8FromUtf16(const wchar_t* utf16_string) {
  if (utf16_string == nullptr) {
    return std::string();
  }
  int target_length = ::WideCharToMultiByte(
      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
      -1, nullptr, 0, nullptr, nullptr)
    -1; // remove the trailing null character
  int input_length = (int)wcslen(utf16_string);
  std::string utf8_string;
  if (target_length <= 0 || target_length > utf8_string.max_size()) {
    return utf8_string;
  }
  utf8_string.resize(target_length);
  int converted_length = ::WideCharToMultiByte(
      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
      input_length, utf8_string.data(), target_length, nullptr, nullptr);
  if (converted_length == 0) {
    return std::string();
  }
  return utf8_string;
}
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#ifndef RUNNER_UTILS_H_
#define RUNNER_UTILS_H_

#include <string>
#include <vector>

// Creates a console for the process, and redirects stdout and stderr to
// it for both the runner and the Flutter library.
void CreateAndAttachConsole();

// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
// encoded in UTF-8. Returns an empty std::string on failure.
std::string Utf8FromUtf16(const wchar_t* utf16_string);

// Gets the command line arguments passed in as a std::vector<std::string>,
// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
std::vector<std::string> GetCommandLineArguments();

#endif  // RUNNER_UTILS_H_
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#include "win32_window.h"

#include <dwmapi.h>
#include <flutter_windows.h>

#include "resource.h"

namespace {

/// Window attribute that enables dark mode window decorations.
///
/// Redefined in case the developer's machine has a Windows SDK older than
/// version 10.0.22000.0.
/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
#endif

constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";

/// Registry key for app theme preference.
///
/// A value of 0 indicates apps should use dark mode. A non-zero or missing
/// value indicates apps should use light mode.
constexpr const wchar_t kGetPreferredBrightnessRegKey[] =
  L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme";

// The number of Win32Window objects that currently exist.
static int g_active_window_count = 0;

using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);

// Scale helper to convert logical scaler values to physical using passed in
// scale factor
int Scale(int source, double scale_factor) {
  return static_cast<int>(source * scale_factor);
}

// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
// This API is only needed for PerMonitor V1 awareness mode.
void EnableFullDpiSupportIfAvailable(HWND hwnd) {
  HMODULE user32_module = LoadLibraryA("User32.dll");
  if (!user32_module) {
    return;
  }
  auto enable_non_client_dpi_scaling =
      reinterpret_cast<EnableNonClientDpiScaling*>(
          GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
  if (enable_non_client_dpi_scaling != nullptr) {
    enable_non_client_dpi_scaling(hwnd);
  }
  FreeLibrary(user32_module);
}

}  // namespace

// Manages the Win32Window's window class registration.
class WindowClassRegistrar {
 public:
  ~WindowClassRegistrar() = default;

  // Returns the singleton registrar instance.
  static WindowClassRegistrar* GetInstance() {
    if (!instance_) {
      instance_ = new WindowClassRegistrar();
    }
    return instance_;
  }

  // Returns the name of the window class, registering the class if it hasn't
  // previously been registered.
  const wchar_t* GetWindowClass();

  // Unregisters the window class. Should only be called if there are no
  // instances of the window.
  void UnregisterWindowClass();

 private:
  WindowClassRegistrar() = default;

  static WindowClassRegistrar* instance_;

  bool class_registered_ = false;
};

WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr;

const wchar_t* WindowClassRegistrar::GetWindowClass() {
  if (!class_registered_) {
    WNDCLASS window_class{};
    window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
    window_class.lpszClassName = kWindowClassName;
    window_class.style = CS_HREDRAW | CS_VREDRAW;
    window_class.cbClsExtra = 0;
    window_class.cbWndExtra = 0;
    window_class.hInstance = GetModuleHandle(nullptr);
    window_class.hIcon =
        LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
    window_class.hbrBackground = 0;
    window_class.lpszMenuName = nullptr;
    window_class.lpfnWndProc = Win32Window::WndProc;
    RegisterClass(&window_class);
    class_registered_ = true;
  }
  return kWindowClassName;
}

void WindowClassRegistrar::UnregisterWindowClass() {
  UnregisterClass(kWindowClassName, nullptr);
  class_registered_ = false;
}

Win32Window::Win32Window() {
  ++g_active_window_count;
}

Win32Window::~Win32Window() {
  --g_active_window_count;
  Destroy();
}

bool Win32Window::Create(const std::wstring& title,
                         const Point& origin,
                         const Size& size) {
  Destroy();

  const wchar_t* window_class =
      WindowClassRegistrar::GetInstance()->GetWindowClass();

  const POINT target_point = {static_cast<LONG>(origin.x),
                              static_cast<LONG>(origin.y)};
  HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
  UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
  double scale_factor = dpi / 96.0;

  HWND window = CreateWindow(
      window_class, title.c_str(), WS_OVERLAPPEDWINDOW,
      Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
      Scale(size.width, scale_factor), Scale(size.height, scale_factor),
      nullptr, nullptr, GetModuleHandle(nullptr), this);

  if (!window) {
    return false;
  }

  UpdateTheme(window);

  return OnCreate();
}

bool Win32Window::Show() {
  return ShowWindow(window_handle_, SW_SHOWNORMAL);
}

// static
LRESULT CALLBACK Win32Window::WndProc(HWND const window,
                                      UINT const message,
                                      WPARAM const wparam,
                                      LPARAM const lparam) noexcept {
  if (message == WM_NCCREATE) {
    auto window_struct = reinterpret_cast<CREATESTRUCT*>(lparam);
    SetWindowLongPtr(window, GWLP_USERDATA,
                     reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));

    auto that = static_cast<Win32Window*>(window_struct->lpCreateParams);
    EnableFullDpiSupportIfAvailable(window);
    that->window_handle_ = window;
  } else if (Win32Window* that = GetThisFromHandle(window)) {
    return that->MessageHandler(window, message, wparam, lparam);
  }

  return DefWindowProc(window, message, wparam, lparam);
}

LRESULT
Win32Window::MessageHandler(HWND hwnd,
                            UINT const message,
                            WPARAM const wparam,
                            LPARAM const lparam) noexcept {
  switch (message) {
    case WM_DESTROY:
      window_handle_ = nullptr;
      Destroy();
      if (quit_on_close_) {
        PostQuitMessage(0);
      }
      return 0;

    case WM_DPICHANGED: {
      auto newRectSize = reinterpret_cast<RECT*>(lparam);
      LONG newWidth = newRectSize->right - newRectSize->left;
      LONG newHeight = newRectSize->bottom - newRectSize->top;

      SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
                   newHeight, SWP_NOZORDER | SWP_NOACTIVATE);

      return 0;
    }
    case WM_SIZE: {
      RECT rect = GetClientArea();
      if (child_content_ != nullptr) {
        // Size and position the child window.
        MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
                   rect.bottom - rect.top, TRUE);
      }
      return 0;
    }

    case WM_ACTIVATE:
      if (child_content_ != nullptr) {
        SetFocus(child_content_);
      }
      return 0;

    case WM_DWMCOLORIZATIONCOLORCHANGED:
      UpdateTheme(hwnd);
      return 0;
  }

  return DefWindowProc(window_handle_, message, wparam, lparam);
}

void Win32Window::Destroy() {
  OnDestroy();

  if (window_handle_) {
    DestroyWindow(window_handle_);
    window_handle_ = nullptr;
  }
  if (g_active_window_count == 0) {
    WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
  }
}

Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept {
  return reinterpret_cast<Win32Window*>(
      GetWindowLongPtr(window, GWLP_USERDATA));
}

void Win32Window::SetChildContent(HWND content) {
  child_content_ = content;
  SetParent(content, window_handle_);
  RECT frame = GetClientArea();

  MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
             frame.bottom - frame.top, true);

  SetFocus(child_content_);
}

RECT Win32Window::GetClientArea() {
  RECT frame;
  GetClientRect(window_handle_, &frame);
  return frame;
}

HWND Win32Window::GetHandle() {
  return window_handle_;
}

void Win32Window::SetQuitOnClose(bool quit_on_close) {
  quit_on_close_ = quit_on_close;
}

bool Win32Window::OnCreate() {
  // No-op; provided for subclasses.
  return true;
}

void Win32Window::OnDestroy() {
  // No-op; provided for subclasses.
}

void Win32Window::UpdateTheme(HWND const window) {
  DWORD light_mode;
  DWORD light_mode_size = sizeof(light_mode);
  LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey,
                               kGetPreferredBrightnessRegValue,
                               RRF_RT_REG_DWORD, nullptr, &light_mode,
                               &light_mode_size);

  if (result == ERROR_SUCCESS) {
    BOOL enable_dark_mode = light_mode == 0;
    DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE,
                          &enable_dark_mode, sizeof(enable_dark_mode));
  }
}
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#ifndef RUNNER_WIN32_WINDOW_H_
#define RUNNER_WIN32_WINDOW_H_

#include <windows.h>

#include <functional>
#include <memory>
#include <string>

// A class abstraction for a high DPI-aware Win32 Window. Intended to be
// inherited from by classes that wish to specialize with custom
// rendering and input handling
class Win32Window {
 public:
  struct Point {
    unsigned int x;
    unsigned int y;
    Point(unsigned int x, unsigned int y) : x(x), y(y) {}
  };

  struct Size {
    unsigned int width;
    unsigned int height;
    Size(unsigned int width, unsigned int height)
        : width(width), height(height) {}
  };

  Win32Window();
  virtual ~Win32Window();

  // Creates a win32 window with |title| that is positioned and sized using
  // |origin| and |size|. New windows are created on the default monitor. Window
  // sizes are specified to the OS in physical pixels, hence to ensure a
  // consistent size this function will scale the inputted width and height as
  // as appropriate for the default monitor. The window is invisible until
  // |Show| is called. Returns true if the window was created successfully.
  bool Create(const std::wstring& title, const Point& origin, const Size& size);

  // Show the current window. Returns true if the window was successfully shown.
  bool Show();

  // Release OS resources associated with window.
  void Destroy();

  // Inserts |content| into the window tree.
  void SetChildContent(HWND content);

  // Returns the backing Window handle to enable clients to set icon and other
  // window properties. Returns nullptr if the window has been destroyed.
  HWND GetHandle();

  // If true, closing this window will quit the application.
  void SetQuitOnClose(bool quit_on_close);

  // Return a RECT representing the bounds of the current client area.
  RECT GetClientArea();

 protected:
  // Processes and route salient window messages for mouse handling,
  // size change and DPI. Delegates handling of these to member overloads that
  // inheriting classes can handle.
  virtual LRESULT MessageHandler(HWND window,
                                 UINT const message,
                                 WPARAM const wparam,
                                 LPARAM const lparam) noexcept;

  // Called when CreateAndShow is called, allowing subclass window-related
  // setup. Subclasses should return false if setup fails.
  virtual bool OnCreate();

  // Called when Destroy is called.
  virtual void OnDestroy();

 private:
  friend class WindowClassRegistrar;

  // OS callback called by message pump. Handles the WM_NCCREATE message which
  // is passed when the non-client area is being created and enables automatic
  // non-client DPI scaling so that the non-client area automatically
  // responds to changes in DPI. All other messages are handled by
  // MessageHandler.
  static LRESULT CALLBACK WndProc(HWND const window,
                                  UINT const message,
                                  WPARAM const wparam,
                                  LPARAM const lparam) noexcept;

  // Retrieves a class instance pointer for |window|
  static Win32Window* GetThisFromHandle(HWND const window) noexcept;

  // Update the window frame's theme to match the system theme.
  static void UpdateTheme(HWND const window);

  bool quit_on_close_ = false;

  // window handle for top level window.
  HWND window_handle_ = nullptr;

  // window handle for hosted content.
  HWND child_content_ = nullptr;
};

#endif  // RUNNER_WIN32_WINDOW_H_
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# Project-level configuration.
cmake_minimum_required(VERSION 3.14)
project(fifteen LANGUAGES CXX)

# The name of the executable created for the application. Change this to change
# the on-disk name of your application.
set(BINARY_NAME "fifteen")

# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
# versions of CMake.
cmake_policy(SET CMP0063 NEW)

# Define build configuration option.
get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(IS_MULTICONFIG)
  set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
    CACHE STRING "" FORCE)
else()
  if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
    set(CMAKE_BUILD_TYPE "Debug" CACHE
      STRING "Flutter build mode" FORCE)
    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
      "Debug" "Profile" "Release")
  endif()
endif()
# Define settings for the Profile build mode.
set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")

# Use Unicode for all projects.
add_definitions(-DUNICODE -D_UNICODE)

# Compilation settings that should be applied to most targets.
#
# Be cautious about adding new options here, as plugins use this function by
# default. In most cases, you should add new options to specific targets instead
# of modifying this function.
function(APPLY_STANDARD_SETTINGS TARGET)
  target_compile_features(${TARGET} PUBLIC cxx_std_17)
  target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
  target_compile_options(${TARGET} PRIVATE /EHsc)
  target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
  target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
endfunction()

# Flutter library and tool build rules.
set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
add_subdirectory(${FLUTTER_MANAGED_DIR})

# Application build; see runner/CMakeLists.txt.
add_subdirectory("runner")


# Generated plugin build rules, which manage building the plugins and adding
# them to the application.
include(flutter/generated_plugins.cmake)


# === Installation ===
# Support files are copied into place next to the executable, so that it can
# run in place. This is done instead of making a separate bundle (as on Linux)
# so that building and running from within Visual Studio will work.
set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
# Make the "install" step default, as it's required to run.
set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
endif()

set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")

install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
  COMPONENT Runtime)

install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
  COMPONENT Runtime)

install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
  COMPONENT Runtime)

if(PLUGIN_BUNDLED_LIBRARIES)
  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
    COMPONENT Runtime)
endif()

# Fully re-copy the assets directory on each build to avoid having stale files
# from a previous install.
set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
install(CODE "
  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
  " COMPONENT Runtime)
install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)

# Install the AOT library on non-Debug builds only.
install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
  CONFIGURATIONS Profile;Release
  COMPONENT Runtime)
LICENSE.txt Unicode text, UTF-8 text
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MIT License

Copyright (c) 2023 Lars Müller

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
README.md ASCII text
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# 15

The [15](https://en.wikipedia.org/wiki/15_puzzle) puzzle.

## App

Allows creating, playing & editing puzzles. Includes a solver. Puzzles can be copied to and pasted from clipboard in hex format.
You can click on the neighboring buttons of the blank spots or use WASD or slide gestures to play.

Web (JS) build won't work since the board representation requires 64-bit ints;
might work with the experimental WASM build mode.

## CLI

A simple CLI for the solver is at `cli_solve.dart`.

Run using `dart run cli_solve.dart <hex board>`,
compile using `dart compile exe cli_solve.dart -o solve` (and then run using `./solve <hex board>`).

The output is a sequence of puzzle states, from the given problem to the winning board, as hex, with newlines inserted for better readability.

The hex format is simply a hex string of the hex digits of the 16 tiles; the blank tile is assigned 0. The winning board is stored as `123456789abcdef0` using this format. Whitespace is not allowed.
analysis_options.yaml ASCII text
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# This file configures the analyzer, which statically analyzes Dart code to
# check for errors, warnings, and lints.
#
# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
# invoked from the command line by running `flutter analyze`.

# The following line activates a set of recommended lints for Flutter apps,
# packages, and plugins designed to encourage good coding practices.
include: package:flutter_lints/flutter.yaml

linter:
  # The lint rules applied to this project can be customized in the
  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
  # included above or to enable additional rules. A list of all available lints
  # and their documentation is published at
  # https://dart-lang.github.io/linter/lints/index.html.
  #
  # Instead of disabling a lint rule for the entire project in the
  # section below, it can also be suppressed for a single line of code
  # or a specific dart file by using the `// ignore: name_of_lint` and
  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
  # producing the lint.
  rules:
    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule

# Additional information about this file can be found at
# https://dart.dev/guides/language/analysis-options
cli_solve.dart ASCII text
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import 'dart:io';

import 'lib/board.dart' as brd;

typedef Board = brd.Board;

// ignore_for_file: avoid_print

usage() {
  print("arg: <hex board>");
  exit(1);
}

void main(List<String> args) {
  if (args.length != 1) usage();
  Board? board = brd.fromHex(args[0]);
  if (board == null) usage();
  if (!brd.isSolvable(board!)) {
    print("unsolvable");
    exit(1);
  }
  final linefeed = Platform.isWindows ? "\r\n" : "\n";
  print([board]
      .followedBy(brd.solve(board))
      .map((b) => brd.toHex(b, linefeed))
      .join(linefeed + linefeed));
}
pubspec.lock ASCII text
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# Generated by pub
# See https://dart.dev/tools/pub/glossary#lockfile
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    source: hosted
    version: "2.3.0"
  shared_preferences_platform_interface:
    dependency: transitive
    description:
      name: shared_preferences_platform_interface
      sha256: "23b052f17a25b90ff2b61aad4cc962154da76fb62848a9ce088efe30d7c50ab1"
      url: "https://pub.dev"
    source: hosted
    version: "2.3.0"
  shared_preferences_web:
    dependency: transitive
    description:
      name: shared_preferences_web
      sha256: "7347b194fb0bbeb4058e6a4e87ee70350b6b2b90f8ac5f8bd5b3a01548f6d33a"
      url: "https://pub.dev"
    source: hosted
    version: "2.2.0"
  shared_preferences_windows:
    dependency: transitive
    description:
      name: shared_preferences_windows
      sha256: f95e6a43162bce43c9c3405f3eb6f39e5b5d11f65fab19196cf8225e2777624d
      url: "https://pub.dev"
    source: hosted
    version: "2.3.0"
  sky_engine:
    dependency: transitive
    description: flutter
    source: sdk
    version: "0.0.99"
  source_span:
    dependency: transitive
    description:
      name: source_span
      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
      url: "https://pub.dev"
    source: hosted
    version: "1.9.1"
  stack_trace:
    dependency: transitive
    description:
      name: stack_trace
      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
      url: "https://pub.dev"
    source: hosted
    version: "1.11.0"
  stream_channel:
    dependency: transitive
    description:
      name: stream_channel
      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
      url: "https://pub.dev"
    source: hosted
    version: "2.1.1"
  string_scanner:
    dependency: transitive
    description:
      name: string_scanner
      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
      url: "https://pub.dev"
    source: hosted
    version: "1.2.0"
  term_glyph:
    dependency: transitive
    description:
      name: term_glyph
      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
      url: "https://pub.dev"
    source: hosted
    version: "1.2.1"
  test_api:
    dependency: transitive
    description:
      name: test_api
      sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
      url: "https://pub.dev"
    source: hosted
    version: "0.5.1"
  typed_data:
    dependency: transitive
    description:
      name: typed_data
      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
      url: "https://pub.dev"
    source: hosted
    version: "1.3.2"
  url_launcher:
    dependency: "direct main"
    description:
      name: url_launcher
      sha256: "781bd58a1eb16069412365c98597726cd8810ae27435f04b3b4d3a470bacd61e"
      url: "https://pub.dev"
    source: hosted
    version: "6.1.12"
  url_launcher_android:
    dependency: transitive
    description:
      name: url_launcher_android
      sha256: "78cb6dea3e93148615109e58e42c35d1ffbf5ef66c44add673d0ab75f12ff3af"
      url: "https://pub.dev"
    source: hosted
    version: "6.0.37"
  url_launcher_ios:
    dependency: transitive
    description:
      name: url_launcher_ios
      sha256: "9af7ea73259886b92199f9e42c116072f05ff9bea2dcb339ab935dfc957392c2"
      url: "https://pub.dev"
    source: hosted
    version: "6.1.4"
  url_launcher_linux:
    dependency: transitive
    description:
      name: url_launcher_linux
      sha256: "207f4ddda99b95b4d4868320a352d374b0b7e05eefad95a4a26f57da413443f5"
      url: "https://pub.dev"
    source: hosted
    version: "3.0.5"
  url_launcher_macos:
    dependency: transitive
    description:
      name: url_launcher_macos
      sha256: "1c4fdc0bfea61a70792ce97157e5cc17260f61abbe4f39354513f39ec6fd73b1"
      url: "https://pub.dev"
    source: hosted
    version: "3.0.6"
  url_launcher_platform_interface:
    dependency: transitive
    description:
      name: url_launcher_platform_interface
      sha256: bfdfa402f1f3298637d71ca8ecfe840b4696698213d5346e9d12d4ab647ee2ea
      url: "https://pub.dev"
    source: hosted
    version: "2.1.3"
  url_launcher_web:
    dependency: transitive
    description:
      name: url_launcher_web
      sha256: cc26720eefe98c1b71d85f9dc7ef0cada5132617046369d9dc296b3ecaa5cbb4
      url: "https://pub.dev"
    source: hosted
    version: "2.0.18"
  url_launcher_windows:
    dependency: transitive
    description:
      name: url_launcher_windows
      sha256: "7967065dd2b5fccc18c653b97958fdf839c5478c28e767c61ee879f4e7882422"
      url: "https://pub.dev"
    source: hosted
    version: "3.0.7"
  vector_math:
    dependency: transitive
    description:
      name: vector_math
      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
      url: "https://pub.dev"
    source: hosted
    version: "2.1.4"
  win32:
    dependency: transitive
    description:
      name: win32
      sha256: f2add6fa510d3ae152903412227bda57d0d5a8da61d2c39c1fb022c9429a41c0
      url: "https://pub.dev"
    source: hosted
    version: "5.0.6"
  xdg_directories:
    dependency: transitive
    description:
      name: xdg_directories
      sha256: e0b1147eec179d3911f1f19b59206448f78195ca1d20514134e10641b7d7fbff
      url: "https://pub.dev"
    source: hosted
    version: "1.0.1"
  xml:
    dependency: transitive
    description:
      name: xml
      sha256: "5bc72e1e45e941d825fd7468b9b4cc3b9327942649aeb6fc5cdbf135f0a86e84"
      url: "https://pub.dev"
    source: hosted
    version: "6.3.0"
  yaml:
    dependency: transitive
    description:
      name: yaml
      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
      url: "https://pub.dev"
    source: hosted
    version: "3.1.2"
sdks:
  dart: ">=3.0.6 <4.0.0"
  flutter: ">=3.10.0"
pubspec.yaml ASCII text
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name: "fifteen"
description: The 15 puzzle game.
publish_to: 'none' # Remove this line if you wish to publish to pub.dev
version: 1.0.0+1

environment:
  sdk: '>=3.0.6 <4.0.0'

dependencies:
  flutter:
    sdk: flutter

  shared_preferences: ^2.2.0
  url_launcher: ^6.1.12

dev_dependencies:
  flutter_test:
    sdk: flutter

  flutter_lints: ^2.0.0

  flutter_launcher_icons: "^0.13.1"


flutter_launcher_icons:
  android: "launcher_icon"
  ios: true
  image_path: "assets/icon.png"
  min_sdk_android: 16
  web:
    generate: true
    image_path: "assets/icon.png"
    background_color: "#ffffff"
    theme_color: "#000000"
  windows:
    generate: true
    image_path: "assets/icon.png"
    icon_size: 128
  macos:
    generate: true
    image_path: "assets/icon.png"

entry #7

written by LyricLy
submitted at
1 like

guesses
comments 0

post a comment


readme.md ASCII text
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shut up shut up shut up shut up shut up
get out of my head get out get out get out
shut_up.rs ASCII text
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use std::collections::{BinaryHeap, HashMap};
use std::cmp::Reverse;

type Grid = [[u8; 4]; 4];

#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum Move {
    Up,
    Down,
    Left,
    Right,
}
use Move::*;

/// didn't miss the cold weather
fn oh_my_god_fuck_you(g: Grid) -> u8 {
    let mut c: u8 = 0;
    for (j, row) in g.iter().enumerate() {
        for (i, &v) in row.iter().enumerate() {
            if v == 0 { continue }
            let v = v as usize - 1;
            let (y, x) = (v / 4, v % 4);
            c += (x.abs_diff(i) + y.abs_diff(j)) as u8;
        }
    }
    c
}

/// didn't miss the sweater weather
fn apply_move(mut g: Grid, m: Move) -> Option<Grid> {
    for j in 0..4 {
        for i in 0..4 {
            if g[j][i] != 0 { continue }
            let (x, y) = match m {
                Up => (i, j + 1),
                Down => (i, j.wrapping_sub(1)),
                Left => (i + 1, j),
                Right => (i.wrapping_sub(1), j),
            };
            if x >= 4 || y >= 4 { return None }
            g[j][i] = g[y][x];
            g[y][x] = 0;
            return Some(g);
        }
    }
    unreachable!()
}

/// I just missed you
pub fn entry(g: Grid) -> Option<Vec<Move>> {
    let mut edge = BinaryHeap::from([Reverse((0, g))]);
    let mut came_from = HashMap::new();
    let mut best = HashMap::new();
    best.insert(g, 0);

    while let Some(Reverse((_, state))) = edge.pop() {
        if oh_my_god_fuck_you(state) == 0 {
            let mut path = Vec::new();
            let mut state = state;
            while let Some(&(m, next)) = came_from.get(&state) {
                path.push(m);
                state = next;
            }
            path.reverse();
            return Some(path);
        }

        for m in [Up, Down, Left, Right].into_iter() {
            let Some(new) = apply_move(state, m) else { continue };
            let new_cost = *best.get(&state).unwrap() + 1;
            if best.get(&new).copied().map(|x| new_cost < x).unwrap_or(true) {
                best.insert(new, new_cost);
                edge.push(Reverse((new_cost + oh_my_god_fuck_you(new), new)));
                came_from.insert(new, (m, state));
            }
        }
    }

    None
}

entry #8

written by IFcoltransG
submitted at
1 like

guesses
comments 3
IFcoltransG

Ink is severely limited; other than strings, integers and function pointers, ALL variables are finite state machines. There are no arrays. It has finite sets you can use for enums and stuff, but they have no notion of order, and all members must be declared in advance. I wanted to make a proper graph search, but I think I'd need to put all the data into the call stack somehow, or do string manipulation, and that seemed very hard. The language has very few string primitives as well: it can concatenate, and check if a string includes another... and that's about it. My input parser works by building up a new string character by character and checking if the input string contains it. No arrays so I had to invent a way to index into a series of hardcoded variables. I prototyped it with function pointers, but using an enum to figure out whether to read or write seemed easier, especially if I'm only using 'lists' which is what Ink calls finite sets.


IFcoltransG

So if I wasn't doing graph search, the proper way, I figured I'd just ask the user to solve it, given Ink is designed for interactivity. Emojis were because it seemed the easiest way to hide my writing style (in a language made for writers of interactive fiction, that hence foregrounds your writing style).


IFcoltransG

Oh, people who don't know Ink probably won't notice this: I got it to print out the score when you finish the puzzle, because the swapSquares function pointer implicitly coerces into the number of times the function has been called so far.


post a comment


story.ink Unicode text, UTF-8 text
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LIST ChangeOp = KeepOld, Replace
LIST Square = One = 1, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Eleven, Twelve, Thirteen, Fourteen, Fifteen, Empty
VAR one = One
VAR two = Two
VAR three = Three
VAR four = Four
VAR five = Five
VAR six = Six
VAR seven = Seven
VAR eight = Eight
VAR nine = Nine
VAR ten = Ten
VAR eleven = Eleven
VAR twelve = Twelve
VAR thirteen = Thirteen
VAR fourteen = Fourteen
VAR fifteen = Fifteen
VAR empty = Empty

😿💔
🔀🤷
🥺
👉👈
↕️↔️

->setup(LIST_ALL(One))->
-> turn

=== turn ===
1️⃣: {pretty(one)} {pretty(two)} {pretty(three)} {pretty(four)}
2️⃣: {pretty(five)} {pretty(six)} {pretty(seven)} {pretty(eight)}
3️⃣: {pretty(nine)} {pretty(ten)} {pretty(eleven)} {pretty(twelve)}
4️⃣: {pretty(thirteen)} {pretty(fourteen)} {pretty(fifteen)} {pretty(empty)}

{checkSolved(LIST_ALL(One)):
🥳 🫴{swapSquares} -> END
- else: 🫵🤔
}

+ {inBounds(-4)} 👆 ->swapSquares(-4)->
+ {inBounds(4)} 👇 ->swapSquares(4)->
+ {inBounds(-1)} 👈 ->swapSquares(-1)->
+ {inBounds(1)} 👉 ->swapSquares(1)->
* -> error
- <> 🥺
-> turn

= error
🤯
-> END

= swapSquares(offset)
~ temp start = findEmpty(LIST_ALL(One))
~ temp end = start + offset
~ do(start, Replace + do(end, Replace + do(start, KeepOld)))
->->

=== function deserializeState(str, index) ===
~ temp start = initPattern(str, index)
{
- str ? start + "_":
~ return Empty
- str ? start + "15":
~ return Fifteen
- str ? start + "14":
~ return Fourteen
- str ? start + "13":
~ return Thirteen
- str ? start + "12":
~ return Twelve
- str ? start + "11":
~ return Eleven
- str ? start + "10":
~ return Ten
- str ? start + "9":
~ return Nine
- str ? start + "8":
~ return Eight
- str ? start + "7":
~ return Seven
- str ? start + "6":
~ return Six
- str ? start + "5":
~ return Five
- str ? start + "4":
~ return Four
- str ? start + "3":
~ return Three
- str ? start + "2":
~ return Two
- str ? start + "1":
~ return One
- else:
~ return ()
}


=== function patternFromSquare(square) ===
{square == Empty:
~ return "_ "
- else:
~ return "{LIST_VALUE(square)} "
}

=== function initPattern(str, index) ===
{index == 0:
~ return "^"
}
~ return initPattern(str, index-1) + "{patternFromSquare(deserializeState(str, index-1))}"

=== function pretty(square) ===
{square:
- One:
~ return "[01]"
- Two:
~ return "[02]"
- Three:
~ return "[03]"
- Four:
~ return "[04]"
- Five:
~ return "[05]"
- Six:
~ return "[06]"
- Seven:
~ return "[07]"
- Eight:
~ return "[08]"
- Nine:
~ return "[09]"
- Ten:
~ return "[10]"
- Eleven:
~ return "[11]"
- Twelve:
~ return "[12]"
- Thirteen:
~ return "[13]"
- Fourteen:
~ return "[14]"
- Fifteen:
~ return "[15]"
- Empty:
~ return "[__]"
- else:
~ return "[??]"
}

=== function do(target, op) ===
{target:
- One:
~ return on(one, op)
- Two:
~ return on(two, op)
- Three:
~ return on(three, op)
- Four:
~ return on(four, op)
- Five:
~ return on(five, op)
- Six:
~ return on(six, op)
- Seven:
~ return on(seven, op)
- Eight:
~ return on(eight, op)
- Nine:
~ return on(nine, op)
- Ten:
~ return on(ten, op)
- Eleven:
~ return on(eleven, op)
- Twelve:
~ return on(twelve, op)
- Thirteen:
~ return on(thirteen, op)
- Fourteen:
~ return on(fourteen, op)
- Fifteen:
~ return on(fifteen, op)
- Empty:
~ return on(empty, op)
- else:
~ return ()
}

=== function on(ref variable, op) ===
~ temp copy = variable
{op ? KeepOld:
~ return variable
}
~ variable = op - Replace
~ return copy

=== function checkSolved(list) ===
{list == ():
~ return true
}
~ temp square = pop(list)
{do(square, KeepOld) == square:
~ return checkSolved(list)
}
~ return false

=== function findEmpty(list) ===
{list == ():
~ return ()
}
~ temp square = pop(list)
{do(square, KeepOld) == Empty:
~ return square
}
~ return findEmpty(list)

=== function inBounds(offset) ===
~ temp square = findEmpty(LIST_ALL(One))
{square + (square + offset):
- (Four, Five):
- (Eight, Nine):
- (Twelve, Thirteen):
- else:
~ return square + offset
}

=== setup(list) ===
{list == ():
->->
}
~ temp square = pop(list)
~ do(square, Replace + deserializeState("^{input()}$", LIST_VALUE(square) - 1))
->setup(list)->->

=== function pop(ref _list) 
    ~ temp el = LIST_RANDOM(_list) 
    ~ _list -= el
    ~ return el 

EXTERNAL input()

=== function input() ===
// fallback
~ return "_ 2 3 4 1 6 7 8 5 10 11 12 9 13 14 15"