optimize vector initialization

src/Core/Bag.cpp

@@ -35,7 +35,7 @@ Bag::Bag(const std::shared_ptr<PiecesList>& piecesList) :
         }
 
         for (const auto& piece : this->selectedPieces) {
-            int pieceSize = this->piecesList->lookAtPiece(piece).getPositions().size();
+            int pieceSize = this->piecesList->lookAtPiece(piece).getPositions().getSize();
             this->currentBags.at(pieceSize).push_back(piece);
         }
     }

src/Core/Board.cpp

@@ -20,10 +20,10 @@ Board::Board(int width, int height) :
 }
 
 void Board::changeBlock(const Position& position, Block block) {
-    if (position.x < 0 || position.x >= this->width || position.y < 0) return;
+    if (position.x < 0 || static_cast<unsigned>(position.x) >= this->width || position.y < 0) return;
 
     // resize the grid if needed
-    if (position.y >= this->grid.size()) {
+    if (static_cast<unsigned>(position.y) >= this->grid.size()) {
         for (int j = this->grid.size(); j <= position.y; j++) {
             this->grid.push_back(this->emptyRow);
         }
@@ -34,7 +34,7 @@ void Board::changeBlock(const Position& position, Block block) {
 
 void Board::insertRow(int height, int holePosition, Block blockType) {
     std::vector<Block> insertedRow;
-    for (int i = 0; i < this->width; i++) {
+    for (unsigned i = 0; i < this->width; i++) {
         if (i == holePosition) {
             insertedRow.push_back(NOTHING);
         }
@@ -51,7 +51,7 @@ int Board::clearRows() {
     int clearedLines = 0;
     for (int j = this->grid.size() - 1; j >= 0; j--) {
         bool lineIsFull = true;
-        int i = 0;
+        unsigned i = 0;
         while (lineIsFull && (i < width)) {
             if (this->grid.at(j).at(i) == NOTHING) {
                 lineIsFull = false;

src/Core/Board.h

@@ -13,8 +13,8 @@ class Board {
     private:
         std::vector<std::vector<Block>> grid; // the grid, (0,0) is downleft
         std::vector<Block> emptyRow;          // an empty row of blocks
-        int width;                            // the width of the grid
+        unsigned width;                            // the width of the grid
-        int height;                           // the base height of the grid, which can extend indefinitely
+        unsigned height;                           // the base height of the grid, which can extend indefinitely
 
     public:
         /**

src/Core/GameBoard.cpp

@@ -44,7 +44,7 @@ void GameBoard::initialize() {
 bool GameBoard::moveLeft() {
     this->movedLeftLast = true;
 
-    if (this->activePieceInWall(Position{-1, 0})) {
+    if (this->activePieceInWall(Position(-1, 0))) {
         return false;
     }
     else {
@@ -57,7 +57,7 @@ bool GameBoard::moveLeft() {
 bool GameBoard::moveRight() {
     this->movedLeftLast = false;
 
-    if (this->activePieceInWall(Position{1, 0})) {
+    if (this->activePieceInWall(Position(1, 0))) {
         return false;
     }
     else {
@@ -68,7 +68,7 @@ bool GameBoard::moveRight() {
 }
 
 bool GameBoard::moveDown() {
-    if (this->activePieceInWall(Position{0, -1})) {
+    if (this->activePieceInWall(Position(0, -1))) {
         return false;
     }
     else {
@@ -100,10 +100,10 @@ bool GameBoard::rotate(Rotation rotation) {
     for (Position position : stored.getPositions()) {
         Position positionInGrid(position + this->activePiecePosition);
         safePositions.insert(positionInGrid);
-        safePositions.insert(positionInGrid + Position{0, 1});
+        safePositions.insert(positionInGrid + Position(0, 1));
-        safePositions.insert(positionInGrid + Position{1, 0});
+        safePositions.insert(positionInGrid + Position(1, 0));
-        safePositions.insert(positionInGrid + Position{0, -1});
+        safePositions.insert(positionInGrid + Position(0, -1));
-        safePositions.insert(positionInGrid + Position{-1, 0});
+        safePositions.insert(positionInGrid + Position(-1, 0));
     }
 
     // first try kicking the piece down
@@ -147,18 +147,18 @@ bool GameBoard::tryKicking(bool testingBottom, const std::set<Position>& safePos
             // we first check the side to which the player moved last
             if (movedLeftLast) {
                 if (overlapsLeft) {
-                    if (this->tryFittingKickedPiece(safePositions, Position({-i, j}), overlapsLeft)) return true;
+                    if (this->tryFittingKickedPiece(safePositions, Position(-i, j), overlapsLeft)) return true;
                 }
                 if (overlapsRight) {
-                    if (this->tryFittingKickedPiece(safePositions, Position({+i, j}), overlapsRight)) return true;
+                    if (this->tryFittingKickedPiece(safePositions, Position(+i, j), overlapsRight)) return true;
                 }
             }
             else {
                 if (overlapsRight) {
-                    if (this->tryFittingKickedPiece(safePositions, Position({+i, j}), overlapsRight)) return true;
+                    if (this->tryFittingKickedPiece(safePositions, Position(+i, j), overlapsRight)) return true;
                 }
                 if (overlapsLeft) {
-                    if (this->tryFittingKickedPiece(safePositions, Position({-i, j}), overlapsLeft)) return true;
+                    if (this->tryFittingKickedPiece(safePositions, Position(-i, j), overlapsLeft)) return true;
                 }
             }
 
@@ -265,11 +265,11 @@ bool GameBoard::activePieceInWall(const Position& shift) const {
 }
 
 bool GameBoard::touchesGround() const {
-    return this->activePieceInWall(Position{0, -1});
+    return this->activePieceInWall(Position(0, -1));
 }
 
 Position GameBoard::lowestPosition() const {
-    Position shift = Position{0, -1};
+    Position shift = Position(0, -1);
     while (!activePieceInWall(shift)) {
         shift.y -= 1;
     }
@@ -278,8 +278,8 @@ Position GameBoard::lowestPosition() const {
 }
 
 LineClear GameBoard::lockPiece() {
-    bool isLockedInPlace = (this->activePieceInWall(Position{0, 1}) && this->activePieceInWall(Position{1, 0})
+    bool isLockedInPlace = (this->activePieceInWall(Position(0, 1)) && this->activePieceInWall(Position(1, 0))
-        && this->activePieceInWall(Position{-1, 0}) && this->activePieceInWall(Position{0, -1}));
+        && this->activePieceInWall(Position(-1, 0)) && this->activePieceInWall(Position(0, -1)));
 
     for (Position position : this->activePiece->getPositions()) {
         this->board.changeBlock(position + this->activePiecePosition, this->activePiece->getBlockType());
@@ -345,7 +345,7 @@ std::ostream& operator<<(std::ostream& os, const GameBoard& gameboard) {
         // print only the position were the active piece is
         for (int y = gameboard.activePiecePosition.y + gameboard.activePiece->getLength() - 1; y >= gameboard.board.getBaseHeight(); y--) {
             for (int x = 0; x < gameboard.board.getWidth(); x++) {
-                bool hasActivePiece = gameboard.activePiece->getPositions().contains(Position{x, y} - gameboard.activePiecePosition);
+                bool hasActivePiece = gameboard.activePiece->containsSquare(Position(x, y) - gameboard.activePiecePosition);
                 if (hasActivePiece) {
                     os << "*";
                 }
@@ -361,7 +361,7 @@ std::ostream& operator<<(std::ostream& os, const GameBoard& gameboard) {
     Block pieceBlockType = (gameboard.activePiece == nullptr) ? NOTHING : gameboard.activePiece->getBlockType();
     for (int y = gameboard.board.getBaseHeight() - 1; y >= 0; y--) {
         for (int x = 0; x < gameboard.board.getWidth(); x++) {
-            bool hasActivePiece = (gameboard.activePiece == nullptr) ? false : gameboard.activePiece->getPositions().contains(Position{x, y} - gameboard.activePiecePosition);
+            bool hasActivePiece = (gameboard.activePiece == nullptr) ? false : gameboard.activePiece->containsSquare(Position(x, y) - gameboard.activePiecePosition);
 
             // the active piece takes visual priority over the board
             if (hasActivePiece) {
@@ -369,7 +369,7 @@ std::ostream& operator<<(std::ostream& os, const GameBoard& gameboard) {
                 os << "*";
             }
             else {
-                Block block = gameboard.board.getBlock(Position{x, y});
+                Block block = gameboard.board.getBlock(Position(x, y));
                 os << getConsoleColorCode(block);
                 if (block != NOTHING) {
                     os << "*";

src/Core/GameBoard.h

@@ -84,7 +84,7 @@ class GameBoard {
          * Check if one of the active piece's positions shifted by a specified position would overlap with a set of positions
          * @return If the shifted active piece overlaps with one of the position
          */
-        bool activePieceOverlaps(const std::set<Position>& safePositions, const Position& shift = Position{0, 0}) const;
+        bool activePieceOverlaps(const std::set<Position>& safePositions, const Position& shift = Position(0, 0)) const;
 
     public:
         /**
@@ -103,7 +103,7 @@ class GameBoard {
          * Checks if one of the active piece's positions touches a wall in the board
          * @return If the active piece is in a wall
          */
-        bool activePieceInWall(const Position& shift = Position{0, 0}) const;
+        bool activePieceInWall(const Position& shift = Position(0, 0)) const;
 
         /**
          * Checks is the active piece as a wall directly below one of its position

src/Core/PiecesList.cpp

@@ -27,12 +27,12 @@ PiecesList::PiecesList() {
     this->pushBackEmptyVectors();
 }
 
-bool PiecesList::loadPieces(int max_size) {
+bool PiecesList::loadPieces(unsigned max_size) {
     if (max_size < 1) return false;
     if (max_size <= this->highestLoadedSize) return true;
 
     PiecesFiles piecesFiles;
-    for (int i = this->highestLoadedSize + 1; i <= max_size; i++) {
+    for (unsigned i = this->highestLoadedSize + 1; i <= max_size; i++) {
         if (!piecesFiles.loadPieces(i, this->loadedPieces.at(i), this->convexPieces.at(i), this->holelessPieces.at(i), this->otherPieces.at(i))) {
             return false;
         }
@@ -45,14 +45,14 @@ bool PiecesList::loadPieces(int max_size) {
     return true;
 }
 
-bool PiecesList::selectPiece(int size, int number) {
+bool PiecesList::selectPiece(unsigned size, unsigned number) {
     if (size < 1 || size > this->highestLoadedSize || number >= this->loadedPieces.at(size).size()) return false;
 
     this->selectedPieces.push_back(std::pair<int, int>(size, number));
     return true;
 }
 
-bool PiecesList::selectAllPieces(int size) {
+bool PiecesList::selectAllPieces(unsigned size) {
     if (size < 1 || size > this->highestLoadedSize) return false;
 
     for (int i = 0; i < this->loadedPieces.at(size).size(); i++) {

src/Core/PiecesList.h

@@ -13,7 +13,7 @@
  */
 class PiecesList {
     private:
-        int highestLoadedSize;                           // the highest size of pieces currently loaded
+        unsigned highestLoadedSize;                           // the highest size of pieces currently loaded
         std::vector<std::vector<Piece>> loadedPieces;    // every loaded pieces by size
         std::vector<std::vector<int>> convexPieces;      // the list of convex loaded pieces by size
         std::vector<std::vector<int>> holelessPieces;    // the list of holeless loaded pieces by size
@@ -33,19 +33,19 @@ class PiecesList {
          * Makes the list load all pieces up to the specified size
          * @return If all pieces up to the specified size are correctly loaded
          */
-        [[nodiscard]] bool loadPieces(int max_size);
+        [[nodiscard]] bool loadPieces(unsigned max_size);
 
         /**
          * Selects the specified piece
          * @return If the piece could be selected
          */
-        bool selectPiece(int size, int number);
+        bool selectPiece(unsigned size, unsigned number);
 
         /**
          * Selects all pieces of the specified size
          * @return If the pieces could be selected
          */
-        bool selectAllPieces(int size);
+        bool selectAllPieces(unsigned size);
 
         /**
          * Selects all convex pieces of the specified size

src/GraphicalUI/AppMenus/GamePlayingAppMenu.cpp

@@ -117,7 +117,7 @@ void GamePlayingAppMenu::drawFrame() const {
     // board
     for (int y = this->game.getBoard().getBaseHeight() + 9; y >= 0; y--) {
         for (int x = 0; x < this->game.getBoard().getWidth(); x++) {
-            Block block = this->game.getBoard().getBlock(Position{x, y});
+            Block block = this->game.getBoard().getBlock(Position(x, y));
             if (isBoardInvisible) block = NOTHING;
 
             sf::RectangleShape cell(cellSize);
@@ -196,7 +196,7 @@ void GamePlayingAppMenu::drawFrame() const {
         for (int y = 0; y < this->game.getNextPieces().at(i).getLength(); y++) {
             for (int x = 0; x < this->game.getNextPieces().at(i).getLength(); x++) {
                 sf::RectangleShape cell(nextCellSize);
-                if (this->game.getNextPieces().at(i).getPositions().contains(Position{x, y})) {
+                if (this->game.getNextPieces().at(i).containsSquare(Position(x, y))) {
                     cell.setFillColor(pieceColor);
                     lowestRank = y;
                 }
@@ -223,7 +223,7 @@ void GamePlayingAppMenu::drawFrame() const {
         for (int y = 0; y < this->game.getHeldPiece()->getLength(); y++) {
             for (int x = 0; x < this->game.getHeldPiece()->getLength(); x++) {
                 sf::RectangleShape cell(holdCellSize);
-                if (this->game.getHeldPiece()->getPositions().contains(Position{x, y})) {
+                if (this->game.getHeldPiece()->containsSquare(Position(x, y))) {
                     cell.setFillColor(color);
                 }
                 else {

src/Pieces/Generator.cpp

@@ -11,25 +11,25 @@
 Generator::Generator() {
 }
 
-std::vector<Polyomino> Generator::generatePolyominoes(int polyominoSize) {
+std::vector<Polyomino>&& Generator::generatePolyominoes(int polyominoSize) {
     this->validPolyominoes.clear();
     this->currentTestedShape.clear();
 
     // a polyomino has at least 1 square
-    if (polyominoSize < 1) return this->validPolyominoes;
+    if (polyominoSize < 1) return std::move(this->validPolyominoes);
 
     // always place the first cell at (0, 0)
-    this->currentTestedShape.insert(Position{0, 0});
+    this->currentTestedShape.insert(Position(0, 0));
     
     std::map<Position, int> candidatePositions;
     this->generate(polyominoSize, 0, 1, candidatePositions);
-    return this->validPolyominoes;
+    return std::move(this->validPolyominoes);
 }
 
-void Generator::generate(int polyominoSize, int lastAddedPositionNumber, int nextAvaibleNumber, std::map<Position, int> candidatePositions) {
+void Generator::generate(unsigned polyominoSize, int lastAddedPositionNumber, int nextAvaibleNumber, std::map<Position, int> candidatePositions) {
     // recursion stop
     if (polyominoSize == this->currentTestedShape.size()) {
-        Polyomino candidate(this->currentTestedShape);
+        Polyomino candidate(std::move(this->currentTestedShape));
 
         // we sort the rotations of the polyominoes
         std::vector<Polyomino> candidateRotations;
@@ -51,14 +51,14 @@ void Generator::generate(int polyominoSize, int lastAddedPositionNumber, int nex
 
     // generate the list of candidate positions
     for (const Position position : this->currentTestedShape) {
-        this->tryToAddCandidatePosition(Position{position.x, position.y + 1}, nextAvaibleNumber, candidatePositions);
+        this->tryToAddCandidatePosition(Position(position.x, position.y + 1), nextAvaibleNumber, candidatePositions);
-        this->tryToAddCandidatePosition(Position{position.x + 1, position.y}, nextAvaibleNumber, candidatePositions);
+        this->tryToAddCandidatePosition(Position(position.x + 1, position.y), nextAvaibleNumber, candidatePositions);
-        this->tryToAddCandidatePosition(Position{position.x, position.y - 1}, nextAvaibleNumber, candidatePositions);
+        this->tryToAddCandidatePosition(Position(position.x, position.y - 1), nextAvaibleNumber, candidatePositions);
-        this->tryToAddCandidatePosition(Position{position.x - 1, position.y}, nextAvaibleNumber, candidatePositions);
+        this->tryToAddCandidatePosition(Position(position.x - 1, position.y), nextAvaibleNumber, candidatePositions);
     }
     
     // try adding a square only to positions with a higher number than the last one
-    for (const auto [key, val] : candidatePositions) {
+    for (const auto& [key, val] : candidatePositions) {
         if (val > lastAddedPositionNumber) {
             this->currentTestedShape.insert(key);
             this->generate(polyominoSize, val, nextAvaibleNumber, (polyominoSize == this->currentTestedShape.size()) ? std::map<Position, int>() : candidatePositions);

src/Pieces/Generator.h

@@ -25,13 +25,13 @@ class Generator {
          * Generates the list of all one-sided polyominoes of the specified size
          * @return The list of polyominoes
          */
-        std::vector<Polyomino> generatePolyominoes(int polyominoSize);
+        std::vector<Polyomino>&& generatePolyominoes(int polyominoSize);
 
     private:
         /**
          * Generates all one-sided polyominoes of the specified size using the current tested shape
          */
-        void generate(int polyominoSize, int lastAddedPositionNumber, int nextAvaibleNumber, std::map<Position, int> candidatePositions);
+        void generate(unsigned polyominoSize, int lastAddedPositionNumber, int nextAvaibleNumber, std::map<Position, int> candidatePositions);
 
         /**
          * Checks wheter a candidate position can be added to the current tested shape

src/Pieces/Piece.cpp

@@ -9,11 +9,10 @@
 #include <string>
 
 
-Piece::Piece(const Polyomino& polyomino, Block blockType) :
+Piece::Piece(Polyomino&& polyomino, Block blockType) :
     polyomino(polyomino),
-    blockType(blockType) {
+    blockType(blockType),
-
+    rotationState(NONE) {
-    this->rotationState = NONE;
 }
 
 void Piece::rotate(Rotation rotation) {
@@ -38,8 +37,8 @@ void Piece::defaultRotation() {
     this->rotationState = NONE;
 }
 
-const std::set<Position>& Piece::getPositions() const {
+const Polyomino& Piece::getPositions() const {
-    return this->polyomino.getPositions();
+    return this->polyomino;
 }
 
 int Piece::getLength() const {
@@ -54,3 +53,7 @@ std::ostream& operator<<(std::ostream& os, const Piece& piece) {
     os << getConsoleColorCode(piece.blockType) << piece.polyomino << getResetConsoleColorCode();
     return os;
 }
+
+bool Piece::containsSquare(const Position& position) const {
+    return polyomino.contains(position);
+}

src/Pieces/Piece.h

@@ -21,7 +21,7 @@ class Piece {
         /**
          * Creates a piece with a specified shape and block type
          */
-        Piece(const Polyomino& piece, Block blockType);
+        Piece(Polyomino&& piece, Block blockType);
 
         /**
          * Rotates the piece in the specified direction
@@ -36,7 +36,13 @@ class Piece {
         /**
          * @return The list of positions of the piece
          */
-        const std::set<Position>& getPositions() const;
+        const Polyomino& getPositions() const;
+
+        /**
+         * @param the position of the square
+         * @return false if there is a hole
+         */
+        bool containsSquare(const Position& position) const;
 
         /**
          * @return The length of the piece

src/Pieces/PiecesFiles.cpp

@@ -50,11 +50,18 @@ bool PiecesFiles::savePieces(int polyominoSize, std::vector<Polyomino>& polyomin
         std::uint8_t infoByte = (isConvex << 7) + (hasHole << 6) + polyomino.getLength();
         buffer << infoByte;
 
+        const int bitsNeeded = polyomino.getLength() * polyomino.getLength();
+        const int bytesNeeded = bitsNeeded / 8 + 1;
+
+        static const Polyomino::PolyominoData byteMask = 0xFF;
+        const Polyomino::PolyominoData& polyominoData = polyomino.getPositionsData();
+
         // write the positions of the piece
-        std::uint8_t positionByte;
+        for (int i = 0; i < bytesNeeded; i++) {
-        for (const Position position : polyomino.getPositions()) {
+            Polyomino::PolyominoData pData = polyominoData >> (i * 8);
-            positionByte = (position.x << 4) + position.y;
+            unsigned long data = 
-            buffer << positionByte;
+                (pData & byteMask).to_ulong();
+            buffer << static_cast<std::uint8_t>(data);
         }
     }
 
@@ -91,13 +98,12 @@ bool PiecesFiles::loadPieces(int polyominoSize, std::vector<Piece>& pieces, std:
         nextPieceBlockType(pieceBlock);
     }
 
-    char convexMask = 0b1000'0000;
+    constexpr char convexMask = 0b1000'0000;
-    char holeMask = 0b0100'0000;
+    constexpr char holeMask = 0b0100'0000;
-    char lengthMask = 0b0011'1111;
+    constexpr char lengthMask = 0b0011'1111;
-    char xMask = 0b1111'0000;
-    char yMask = 0b0000'1111;
 
     std::uint8_t infoByte;
+    std::uint8_t positionByte;
     int i = 0;
     while (!buffer.IsFinished()) {
         // if (piecesFile.eof()) break;
@@ -108,21 +114,22 @@ bool PiecesFiles::loadPieces(int polyominoSize, std::vector<Piece>& pieces, std:
         bool hasHole = (infoByte & holeMask) >> 6;
         int length = (infoByte & lengthMask);
 
+        const int bitsNeeded = length * length;
+        const int bytesNeeded = bitsNeeded / 8 + 1;
+
         // read positions
-        std::set<Position> piecePositions;
+        Polyomino::PolyominoData polyominoData{};
-        std::uint8_t positionByte;
+
-        for (int i = 0; i < polyominoSize; i++) {
+        for (int j = 0; j < bytesNeeded; j++) {
             buffer >> positionByte;
-            int x = ((unsigned char) positionByte & xMask) >> 4;
+            Polyomino::PolyominoData tempByte(positionByte);
-            int y = positionByte & yMask;
+            polyominoData |= (tempByte << (j * 8));
-            piecePositions.insert(Position{x, y});
         }
 
-        // create piece
+        pieces.emplace_back(Polyomino(std::move(polyominoData), length), pieceBlock);
-        Piece readPiece(Polyomino(piecePositions, length), pieceBlock);
+
         nextPieceBlockType(pieceBlock);
 
-        pieces.push_back(readPiece);
         if (isConvex) {
             convexPieces.push_back(i);
         }

src/Pieces/Polyomino.cpp

@@ -8,9 +8,9 @@
 #include <climits>
 #include <algorithm>
 #include <utility>
+#include <cassert>
 
-
+Polyomino::Polyomino(std::set<Position>&& positions) : positions(0) {
-Polyomino::Polyomino(const std::set<Position>& positions) {
     int minX = INT_MAX;
     int maxX = INT_MIN;
     int minY = INT_MAX;
@@ -25,71 +25,64 @@ Polyomino::Polyomino(const std::set<Position>& positions) {
     this->length = std::max(maxX - minX + 1, maxY - minY + 1);
 
     // we normalize here instead of calling this->normalize() to reduce the number of calculations for the generation algorithm
-    std::set<Position> newPositions;
+    Polyomino newPolyomino({}, this->length);
     for (Position position : positions) {
-        newPositions.insert(Position{position.x - minX, position.y - minY});
+        newPolyomino.insert(Position(position.x - minX, position.y - minY));
     }
-    this->positions = std::move(newPositions);
+    this->positions = std::move(newPolyomino.positions);
 }
 
-Polyomino::Polyomino(const std::set<Position>& positions, int length) :
+Polyomino::Polyomino(PolyominoData&& positions, std::int8_t length) :
-    positions(positions),
+    positions(std::move(positions)),
     length(length) {
 }
 
 void Polyomino::normalize() {
     int minX = INT_MAX;
     int minY = INT_MAX;
-    for (const Position position : this->positions) {
+    for (const Position position : *this) {
         if (position.x < minX) minX = position.x;
         if (position.y < minY) minY = position.y;
     }
 
-    std::set<Position> newPositions;
+    Polyomino newPolyomino({}, this->length);
-    for (const Position position : this->positions) {
+    for (const Position position : *this) {
-        newPositions.insert(Position{position.x - minX, position.y - minY});
+        newPolyomino.insert(Position(position.x - minX, position.y - minY));
     }
-    this->positions = std::move(newPositions);
+    this->positions = std::move(newPolyomino.positions);
 }
 
 void Polyomino::rotateCW() {
-    std::set<Position> newPositions;
+    Polyomino temp({}, this->length);
-    for (const Position position : this->positions) {
+    for (const Position position : *this) {
-        newPositions.insert(Position{position.y, (length - 1) - (position.x)});
+        temp.insert(Position(position.y, (length - 1) - (position.x)));
     }
-    this->positions = std::move(newPositions);
+    this->positions = std::move(temp.positions);
 }
 
 void Polyomino::rotate180() {
-    std::set<Position> newPositions;
+    Polyomino temp({}, this->length);
-    for (const Position position : this->positions) {
+    for (const Position position : *this) {
-        newPositions.insert(Position{(length - 1) - (position.x), (length - 1) - (position.y)});
+        temp.insert(Position((length - 1) - (position.x), (length - 1) - (position.y)));
     }
-    this->positions = std::move(newPositions);
+    this->positions = std::move(temp.positions);
 }
 
 void Polyomino::rotateCCW() {
-    std::set<Position> newPositions;
+    Polyomino temp({}, this->length);
-    for (const Position position : this->positions) {
+    for (const Position position : *this) {
-        newPositions.insert(Position{(length - 1) - (position.y), position.x});
+        temp.insert(Position((length - 1) - (position.y), position.x));
     }
-    this->positions = std::move(newPositions);
+    this->positions = std::move(temp.positions);
 }
 
 void Polyomino::goToSpawnPosition() {
     // initialize array
-    std::vector<std::vector<int>> linesCompleteness;
+    std::vector<int> empty(this->length, 0);
-    linesCompleteness.reserve(4);
+    std::vector<std::vector<int>> linesCompleteness(4, empty);
-    std::vector<int> empty;
-    for (int j = 0; j < this->length; j++) {
-        empty.push_back(0);
-    }
-    for (int i = 0; i < 4; i++) {
-        linesCompleteness.push_back(empty);
-    }
 
     // calculates amount of squares per rows and columns
-    for (const Position position : this->positions) {
+    for (const Position position : *this) {
         linesCompleteness.at(0).at(position.y) += 1;                // 0 = bottom to top = no rotation
         linesCompleteness.at(1).at((length - 1) - position.x) += 1; // 1 = right to left = CW
         linesCompleteness.at(2).at((length - 1) - position.y) += 1; // 2 = top to bottom = 180
@@ -156,19 +149,20 @@ void Polyomino::goToSpawnPosition() {
         std::swap(verticalEmptyLines, horizontalEmptyLines);
     }
 
+    
     int minX = INT_MAX;
     int minY = INT_MAX;
-    for (const Position position : this->positions) {
+    for (const Position position : *this) {
         if (position.x < minX) minX = position.x;
         if (position.y < minY) minY = position.y;
     }
 
     // center the piece with an up bias
-    std::set<Position> newPositions;
+    Polyomino temp({}, this->length);
-    for (const Position position : positions) {
+    for (const Position position : *this) {
-        newPositions.insert(Position{(position.x - minX) + (verticalEmptyLines / 2), (position.y - minY) + ((horizontalEmptyLines + 1) / 2)});
+        temp.insert(Position((position.x - minX) + (verticalEmptyLines / 2), (position.y - minY) + ((horizontalEmptyLines + 1) / 2)));
     }
-    this->positions = std::move(newPositions);
+    this->positions = std::move(temp.positions);
 }
 
 void Polyomino::checkForFlattestSide(const std::vector<std::vector<int>>& linesCompleteness, bool currentFlattestSides[4], int& sideToBeOn, bool checkLeftSide) const {
@@ -216,7 +210,7 @@ bool Polyomino::isConvex() const {
         bool startedColumn = false;
         bool completedColumn = false;
         for (int i = 0; i < this->length; i++) {
-            if (this->positions.contains(Position{i, j})) {
+            if (this->contains(Position(i, j))) {
                 if (completedLine) return false;
                 else startedLine = true;
             }
@@ -224,7 +218,7 @@ bool Polyomino::isConvex() const {
                 if (startedLine) completedLine = true;
             }
 
-            if (this->positions.contains(Position{j, i})) {
+            if (this->contains(Position(j, i))) {
                 if (completedColumn) return false;
                 else startedColumn = true;
             }
@@ -238,31 +232,31 @@ bool Polyomino::isConvex() const {
 
 bool Polyomino::hasHole() const {
     // add every empty square on the outer of the box containing the polyomino
-    std::set<Position> emptyPositions;
+    Polyomino temp({}, this->length);
     for (int i = 0; i < this->length - 1; i++) {
-        this->tryToInsertPosition(emptyPositions, Position{i, 0});                                   // up row
+        this->tryToInsertPosition(temp, Position(i, 0));                                   // up row
-        this->tryToInsertPosition(emptyPositions, Position{this->length - 1, i});                    // rigth column
+        this->tryToInsertPosition(temp, Position(this->length - 1, i));                    // rigth column
-        this->tryToInsertPosition(emptyPositions, Position{this->length - 1 - i, this->length - 1}); // bottom row
+        this->tryToInsertPosition(temp, Position(this->length - 1 - i, this->length - 1)); // bottom row
-        this->tryToInsertPosition(emptyPositions, Position{0, this->length - 1 - i});                // left column
+        this->tryToInsertPosition(temp, Position(0, this->length - 1 - i));                // left column
     }
 
     // if we didn't reached all empty squares in the box then there was some contained within the polyomino, i.e. there was a hole
-    return (emptyPositions.size() < (this->length * this->length) - this->positions.size());
+    return (temp.getSize() < (this->length * this->length) - this->positions.size());
 }
 
-void Polyomino::tryToInsertPosition(std::set<Position>& emptyPositions, const Position& candidate) const {
+void Polyomino::tryToInsertPosition(Polyomino& emptyPositions, const Position& candidate) const {
     if (candidate.x >= this->length || candidate.x < 0 || candidate.y >= this->length || candidate.y < 0) return;
-    if (this->positions.contains(candidate) || emptyPositions.contains(candidate)) return;
+    if (this->contains(candidate) || emptyPositions.contains(candidate)) return;
 
     // if it's a new empty square, try its neighbors
     emptyPositions.insert(candidate);
-    tryToInsertPosition(emptyPositions, Position{candidate.x, candidate.y + 1});
+    tryToInsertPosition(emptyPositions, Position(candidate.x, candidate.y + 1));
-    tryToInsertPosition(emptyPositions, Position{candidate.x + 1, candidate.y});
+    tryToInsertPosition(emptyPositions, Position(candidate.x + 1, candidate.y));
-    tryToInsertPosition(emptyPositions, Position{candidate.x, candidate.y - 1});
+    tryToInsertPosition(emptyPositions, Position(candidate.x, candidate.y - 1));
-    tryToInsertPosition(emptyPositions, Position{candidate.x - 1, candidate.y});
+    tryToInsertPosition(emptyPositions, Position(candidate.x - 1, candidate.y));
 }
 
-const std::set<Position>& Polyomino::getPositions() const {
+const Polyomino::PolyominoData& Polyomino::getPositionsData() const {
     return this->positions;
 }
 
@@ -277,13 +271,19 @@ int Polyomino::getPolyominoSize() const {
 bool Polyomino::operator<(const Polyomino& other) const {
     if (this->length != other.length) return this->length < other.length;
 
-    for (int y = this->length - 1; y >= 0; y--) {
+    assert(other.positions.any() && "The other polyomino is empty !");
-        for (int x = 0; x < this->length; x++) {
+
-            bool hasThisPosition = this->positions.contains(Position{x, y});
+    static const PolyominoData longMask = 0xFFFFFFFFFFFFFFFF;
-            bool hasOtherPosition = other.positions.contains(Position{x, y});
+    const int longsNeeded = this->length * this->length / 64 + 1;
-            if (hasThisPosition != hasOtherPosition) return hasThisPosition;
+
+    for (int i = 0; i < longsNeeded; i++) {
+        unsigned long l1 = (this->positions >> (i * sizeof(std::uint64_t)) & longMask).to_ulong();
+        unsigned long l2 = (other.positions >> (i * sizeof(std::uint64_t)) & longMask).to_ulong();
+        if (l1 != l2) {
+            return l1 < l2;
         }
     }
+
     return false;
 }
 
@@ -294,7 +294,7 @@ bool Polyomino::operator==(const Polyomino& other) const {
 std::ostream& operator<<(std::ostream& os, const Polyomino& polyomino) {
     for (int y = polyomino.length - 1; y >= 0; y--) {
         for (int x = 0; x < polyomino.length; x++) {
-            if (polyomino.positions.contains(Position{x, y})) {
+            if (polyomino.contains(Position(x, y))) {
                 os << "*";
             }
             else {
@@ -305,3 +305,31 @@ std::ostream& operator<<(std::ostream& os, const Polyomino& polyomino) {
     }
     return os;
 }
+
+int Polyomino::getSize() const {
+    return positions.count();
+}
+
+bool Polyomino::contains(const Position& position) const {
+    return this->positions[getBitIndex(position)];
+}
+
+void Polyomino::insert(const Position& position) {
+    this->positions.set(getBitIndex(position), true);
+}
+
+void Polyomino::erase(const Position& position) {
+    this->positions.set(getBitIndex(position), false);
+}
+
+std::size_t Polyomino::getBitIndex(const Position& position) const {
+    return position.y * this->length + position.x;
+}
+
+Polyomino::ConstIterator Polyomino::begin() const {
+    return ConstIterator(*this, positions._Find_first());
+}
+
+Polyomino::ConstIterator Polyomino::end() const {
+    return ConstIterator(*this, positions.size());
+}

src/Pieces/Polyomino.h

@@ -5,26 +5,68 @@
 #include <vector>
 #include <set>
 #include <iostream>
+#include <array>
+#include <bitset>
 
 
 /**
  * A mathematical object consisting of touching squares on a 2D grid
  */
 class Polyomino {
+    public:
+        static const std::size_t MAX_LENGTH = 16;
+        using PolyominoData = std::bitset<MAX_LENGTH * MAX_LENGTH>;
+
+        class ConstIterator {
+            public:
+                using iterator_category = std::forward_iterator_tag;
+                using difference_type   = std::ptrdiff_t;
+                using value_type        = Position;
+                using const_pointer     = const Position*;  // or also value_type*
+                using const_reference   = const Position&;  // or also value_type&
+            public:
+                ConstIterator(const Polyomino& polyomino, std::size_t index) : m_Polyomino(polyomino), m_Index(index) {
+                    updatePosition();
+                }
+
+                const_reference operator*() const { return m_Position; }
+                const_pointer operator->() { return &m_Position; }
+
+                // Prefix increment
+                ConstIterator& operator++() { 
+                    m_Index = m_Polyomino.getPositionsData()._Find_next(m_Index);
+                    updatePosition();
+                    return *this; 
+                }  
+
+
+                friend bool operator== (const ConstIterator& a, const ConstIterator& b) { return a.m_Index == b.m_Index; };
+                friend bool operator!= (const ConstIterator& a, const ConstIterator& b) { return a.m_Index != b.m_Index; };  
+
             private:
-        std::set<Position> positions; // the squares composing the polyomino, (0,0) is downleft
+                void updatePosition() {
-        int length;                   // the size of the smallest square box in which the polyomino can fit on any rotation
+                    m_Position = Position(m_Index % m_Polyomino.getLength(), m_Index / m_Polyomino.getLength());
+                }
+
+                const Polyomino& m_Polyomino;
+                std::size_t m_Index;
+                Position m_Position;
+        };
+
+    private:
+        PolyominoData positions; // the squares composing the polyomino, stored in binary. MSB is downleft
+        std::int8_t length;      // the size of the smallest square box in which the polyomino can fit on any rotation
     
     public:
-        /**
-         * Creates a polyomino with the specified positions and normalizes it, wheter it is actually a polyonimo is not checked
-         */
-        Polyomino(const std::set<Position>& positions);
-
         /**
          * Creates a polyomino with the specified positions and length, wheter it is actually a polyonimo of this length is not checked
          */
-        Polyomino(const std::set<Position>& positions, int length);
+        Polyomino(PolyominoData&& positions, std::int8_t length);
+
+        /**
+         * Creates a polyomino with the specified positions and normalizes it, wheter it is actually a polyonimo is not checked
+         */
+        Polyomino(std::set<Position>&& positions);
 
         /**
          * Translates the polyomino to the lowest unsigned values (lower row on y = 0, and left-most column on x = 0)
@@ -74,19 +116,29 @@ class Polyomino {
         /**
          * Auxiliary method of hasHole()
          */
-        void tryToInsertPosition(std::set<Position>& emptypositions, const Position& candidate) const;
+        void tryToInsertPosition(Polyomino& emptypositions, const Position& candidate) const;
 
     public:
         /**
-         * @return The positions of the polyomino
+         * @return The positions data of the polyomino
          */
-        const std::set<Position>& getPositions() const;
+        const PolyominoData& getPositionsData() const;
 
         /**
          * @return The length of the polyomino
          */
         int getLength() const;
 
+        /**
+         * 
+         */
+        int getSize() const;
+
+        /**
+         * 
+         */
+        std::size_t getBitIndex(const Position& position) const;
+
         /**
          * @return The number of squares in the polyomino
          */
@@ -110,4 +162,23 @@ class Polyomino {
          * @return A reference to the output stream
          */
         friend std::ostream& operator<<(std::ostream& os, const Polyomino& polyomino);
+
+        /**
+         * @return True if it contains the position
+         */
+        bool contains(const Position& position) const;
+
+        /**
+         * @brief Insert a square at the position
+         */
+        void insert(const Position& position);
+
+        /**
+         * @brief Removes a square at the position
+         */
+        void erase(const Position& position);
+
+        ConstIterator begin() const;
+
+        ConstIterator end() const;
 };

src/Pieces/Position.h

@@ -1,14 +1,14 @@
 #pragma once
 
 #include <iostream>
-
+#include <cstdint>
 
 /**
  * A position on a 2D grid
  */
 struct Position {
-    int x; // x position
+    std::int8_t x; // x position
-    int y; // y position
+    std::int8_t y; // y position
 };
 
 
@@ -17,7 +17,7 @@ struct Position {
  * @return The sums of the coordinates of both positions
  */
 inline Position operator+(const Position& left, const Position& right) {
-    return Position{left.x + right.x, left.y + right.y};
+    return Position(left.x + right.x, left.y + right.y);
 }
 
 /**
@@ -34,7 +34,7 @@ inline Position& operator+=(Position& left, const Position& right) {
  * @return The difference of the coordinate between the left and right position
  */
 inline Position operator-(const Position& left, const Position& right) {
-    return Position{left.x - right.x, left.y - right.y};
+    return Position(left.x - right.x, left.y - right.y);
 }
 
 /**

src/TextUI/TextApp.cpp

@@ -250,9 +250,9 @@ void TextApp::printGame(const Game& game) const {
     for (int y = maxHeight; y >= 0; y--) {
         for (int x = 0; x < game.getBoard().getWidth(); x++) {
             /* BOARD PRINTING */
-            bool isActivePieceHere = (game.getActivePiece() != nullptr) && (game.getActivePiece()->getPositions().contains(Position{x, y} - game.getActivePiecePosition()));
+            bool isActivePieceHere = (game.getActivePiece() != nullptr) && (game.getActivePiece()->getPositions().contains(Position(x, y) - game.getActivePiecePosition()));
-            bool isGhostPieceHere = (game.getActivePiece() != nullptr) && (game.getActivePiece()->getPositions().contains(Position{x, y} - game.getGhostPiecePosition()));
+            bool isGhostPieceHere = (game.getActivePiece() != nullptr) && (game.getActivePiece()->getPositions().contains(Position(x, y) - game.getGhostPiecePosition()));
-            Block block = (isActivePieceHere || isGhostPieceHere) ? game.getActivePiece()->getBlockType() : game.getBoard().getBlock(Position{x, y});
+            Block block = (isActivePieceHere || isGhostPieceHere) ? game.getActivePiece()->getBlockType() : game.getBoard().getBlock(Position(x, y));
 
             if (isActivePieceHere || isGhostPieceHere) {
                 std::cout << getConsoleColorCode(block);
@@ -294,7 +294,7 @@ void TextApp::printGame(const Game& game) const {
                 }
                 else {
                     for (int i = 0; i < game.getHeldPiece()->getLength(); i++) {
-                        if (game.getHeldPiece()->getPositions().contains(Position{i, printedPieceLineHeight})) {
+                        if (game.getHeldPiece()->getPositions().contains(Position(i, printedPieceLineHeight))) {
                             std::cout << getConsoleColorCode(game.getHeldPiece()->getBlockType()) << "*";
                         }
                         else {
@@ -316,7 +316,7 @@ void TextApp::printGame(const Game& game) const {
                 }
                 else {
                     for (int i = 0; i < game.getNextPieces().at(nextQueuePrintedPiece).getLength(); i++) {
-                        if (game.getNextPieces().at(nextQueuePrintedPiece).getPositions().contains(Position{i, printedPieceLineHeight})) {
+                        if (game.getNextPieces().at(nextQueuePrintedPiece).getPositions().contains(Position(i, printedPieceLineHeight))) {
                             std::cout << getConsoleColorCode(game.getNextPieces().at(nextQueuePrintedPiece).getBlockType()) << "*";
                         }
                         else {

src/Utils/AssetManager.cpp

@@ -10,30 +10,6 @@ static const unsigned char data_fonts_pressstart_prstartk_ttf[] = {
 	#include <data/fonts/pressstart/prstartk.ttf.h>
 };
 
-static const unsigned char data_images_keybinds_Rotate180_png[] = {
-	#include <data/images/keybinds/Rotate180.png.h>
-};
-
-static const unsigned char data_images_keybinds_Rotate0_png[] = {
-	#include <data/images/keybinds/Rotate0.png.h>
-};
-
-static const unsigned char data_images_keybinds_RotateCCW_png[] = {
-	#include <data/images/keybinds/RotateCCW.png.h>
-};
-
-static const unsigned char data_images_keybinds_Retry_png[] = {
-	#include <data/images/keybinds/Retry.png.h>
-};
-
-static const unsigned char data_images_keybinds_RotateCW_png[] = {
-	#include <data/images/keybinds/RotateCW.png.h>
-};
-
-static const unsigned char data_images_keybinds_Moveright_png[] = {
-	#include <data/images/keybinds/Moveright.png.h>
-};
-
 static const unsigned char data_images_keybinds_Harddrop_png[] = {
 	#include <data/images/keybinds/Harddrop.png.h>
 };
@@ -42,14 +18,38 @@ static const unsigned char data_images_keybinds_Moveleft_png[] = {
 	#include <data/images/keybinds/Moveleft.png.h>
 };
 
-static const unsigned char data_images_keybinds_Hold_png[] = {
+static const unsigned char data_images_keybinds_RotateCW_png[] = {
-	#include <data/images/keybinds/Hold.png.h>
+	#include <data/images/keybinds/RotateCW.png.h>
+};
+
+static const unsigned char data_images_keybinds_RotateCCW_png[] = {
+	#include <data/images/keybinds/RotateCCW.png.h>
 };
 
 static const unsigned char data_images_keybinds_Softdrop_png[] = {
 	#include <data/images/keybinds/Softdrop.png.h>
 };
 
+static const unsigned char data_images_keybinds_Moveright_png[] = {
+	#include <data/images/keybinds/Moveright.png.h>
+};
+
+static const unsigned char data_images_keybinds_Rotate180_png[] = {
+	#include <data/images/keybinds/Rotate180.png.h>
+};
+
+static const unsigned char data_images_keybinds_Hold_png[] = {
+	#include <data/images/keybinds/Hold.png.h>
+};
+
+static const unsigned char data_images_keybinds_Rotate0_png[] = {
+	#include <data/images/keybinds/Rotate0.png.h>
+};
+
+static const unsigned char data_images_keybinds_Retry_png[] = {
+	#include <data/images/keybinds/Retry.png.h>
+};
+
 static const unsigned char data_images_keybinds_Pause_png[] = {
 	#include <data/images/keybinds/Pause.png.h>
 };
@@ -57,16 +57,16 @@ static const unsigned char data_images_keybinds_Pause_png[] = {
 static const Asset assets[] = {
 	{data_fonts_pressstart_prstart_ttf, sizeof(data_fonts_pressstart_prstart_ttf)},
 	{data_fonts_pressstart_prstartk_ttf, sizeof(data_fonts_pressstart_prstartk_ttf)},
-	{data_images_keybinds_Rotate180_png, sizeof(data_images_keybinds_Rotate180_png)},
-	{data_images_keybinds_Rotate0_png, sizeof(data_images_keybinds_Rotate0_png)},
-	{data_images_keybinds_RotateCCW_png, sizeof(data_images_keybinds_RotateCCW_png)},
-	{data_images_keybinds_Retry_png, sizeof(data_images_keybinds_Retry_png)},
-	{data_images_keybinds_RotateCW_png, sizeof(data_images_keybinds_RotateCW_png)},
-	{data_images_keybinds_Moveright_png, sizeof(data_images_keybinds_Moveright_png)},
 	{data_images_keybinds_Harddrop_png, sizeof(data_images_keybinds_Harddrop_png)},
 	{data_images_keybinds_Moveleft_png, sizeof(data_images_keybinds_Moveleft_png)},
-	{data_images_keybinds_Hold_png, sizeof(data_images_keybinds_Hold_png)},
+	{data_images_keybinds_RotateCW_png, sizeof(data_images_keybinds_RotateCW_png)},
+	{data_images_keybinds_RotateCCW_png, sizeof(data_images_keybinds_RotateCCW_png)},
 	{data_images_keybinds_Softdrop_png, sizeof(data_images_keybinds_Softdrop_png)},
+	{data_images_keybinds_Moveright_png, sizeof(data_images_keybinds_Moveright_png)},
+	{data_images_keybinds_Rotate180_png, sizeof(data_images_keybinds_Rotate180_png)},
+	{data_images_keybinds_Hold_png, sizeof(data_images_keybinds_Hold_png)},
+	{data_images_keybinds_Rotate0_png, sizeof(data_images_keybinds_Rotate0_png)},
+	{data_images_keybinds_Retry_png, sizeof(data_images_keybinds_Retry_png)},
 	{data_images_keybinds_Pause_png, sizeof(data_images_keybinds_Pause_png)},
 
 };
@@ -74,16 +74,16 @@ static const Asset assets[] = {
 static const std::map<std::string, AssetName> assetMap = {
 	{"data/fonts/pressstart/prstart.ttf", AssetName::data_fonts_pressstart_prstart_ttf},
 	{"data/fonts/pressstart/prstartk.ttf", AssetName::data_fonts_pressstart_prstartk_ttf},
-	{"data/images/keybinds/Rotate180.png", AssetName::data_images_keybinds_Rotate180_png},
-	{"data/images/keybinds/Rotate0.png", AssetName::data_images_keybinds_Rotate0_png},
-	{"data/images/keybinds/RotateCCW.png", AssetName::data_images_keybinds_RotateCCW_png},
-	{"data/images/keybinds/Retry.png", AssetName::data_images_keybinds_Retry_png},
-	{"data/images/keybinds/RotateCW.png", AssetName::data_images_keybinds_RotateCW_png},
-	{"data/images/keybinds/Moveright.png", AssetName::data_images_keybinds_Moveright_png},
 	{"data/images/keybinds/Harddrop.png", AssetName::data_images_keybinds_Harddrop_png},
 	{"data/images/keybinds/Moveleft.png", AssetName::data_images_keybinds_Moveleft_png},
-	{"data/images/keybinds/Hold.png", AssetName::data_images_keybinds_Hold_png},
+	{"data/images/keybinds/RotateCW.png", AssetName::data_images_keybinds_RotateCW_png},
+	{"data/images/keybinds/RotateCCW.png", AssetName::data_images_keybinds_RotateCCW_png},
 	{"data/images/keybinds/Softdrop.png", AssetName::data_images_keybinds_Softdrop_png},
+	{"data/images/keybinds/Moveright.png", AssetName::data_images_keybinds_Moveright_png},
+	{"data/images/keybinds/Rotate180.png", AssetName::data_images_keybinds_Rotate180_png},
+	{"data/images/keybinds/Hold.png", AssetName::data_images_keybinds_Hold_png},
+	{"data/images/keybinds/Rotate0.png", AssetName::data_images_keybinds_Rotate0_png},
+	{"data/images/keybinds/Retry.png", AssetName::data_images_keybinds_Retry_png},
 	{"data/images/keybinds/Pause.png", AssetName::data_images_keybinds_Pause_png},
 
 };

src/Utils/AssetManager.h

@@ -11,16 +11,16 @@ struct Asset {
 enum class AssetName {
 	data_fonts_pressstart_prstart_ttf,
 	data_fonts_pressstart_prstartk_ttf,
-	data_images_keybinds_Rotate180_png,
-	data_images_keybinds_Rotate0_png,
-	data_images_keybinds_RotateCCW_png,
-	data_images_keybinds_Retry_png,
-	data_images_keybinds_RotateCW_png,
-	data_images_keybinds_Moveright_png,
 	data_images_keybinds_Harddrop_png,
 	data_images_keybinds_Moveleft_png,
-	data_images_keybinds_Hold_png,
+	data_images_keybinds_RotateCW_png,
+	data_images_keybinds_RotateCCW_png,
 	data_images_keybinds_Softdrop_png,
+	data_images_keybinds_Moveright_png,
+	data_images_keybinds_Rotate180_png,
+	data_images_keybinds_Hold_png,
+	data_images_keybinds_Rotate0_png,
+	data_images_keybinds_Retry_png,
 	data_images_keybinds_Pause_png,
 
 };