/**************************************************************************** Copyright (c) 2008-2010 Ricardo Quesada Copyright (c) 2010-2012 cocos2d-x.org Copyright (c) 2011 Zynga Inc. Copyright (c) 2013-2014 Chukong Technologies Inc. Copyright (c) 2011 HKASoftware http://www.cocos2d-x.org 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. ****************************************************************************/ /* Original rewrite of TMXLayer was based on HKTMXTiledMap by HKASoftware http://hkasoftware.com Further info: http://www.cocos2d-iphone.org/forums/topic/hktmxtiledmap/ It was rewritten again, and only a small part of the original HK ideas/code remains in this implementation */ #include "CCTMXLayer2.h" #include "CCTMXXMLParser.h" #include "CCTMXTiledMap.h" #include "CCSprite.h" #include "CCTextureCache.h" #include "CCGLProgramCache.h" #include "CCGLProgram.h" #include "ccCArray.h" #include "CCDirector.h" #include "CCConfiguration.h" #include "renderer/CCRenderer.h" #include "deprecated/CCString.h" NS_CC_BEGIN namespace { static const int MAX_QUADS_COUNT = 65536 / 6; } // TMXLayer2 - init & alloc & dealloc TMXLayer2 * TMXLayer2::create(TMXTilesetInfo *tilesetInfo, TMXLayerInfo *layerInfo, TMXMapInfo *mapInfo) { TMXLayer2 *ret = new TMXLayer2(); if (ret->initWithTilesetInfo(tilesetInfo, layerInfo, mapInfo)) { ret->autorelease(); return ret; } return nullptr; } bool TMXLayer2::initWithTilesetInfo(TMXTilesetInfo *tilesetInfo, TMXLayerInfo *layerInfo, TMXMapInfo *mapInfo) { if( tilesetInfo ) { _texture = Director::getInstance()->getTextureCache()->addImage(tilesetInfo->_sourceImage); _texture->retain(); } // layerInfo _layerName = layerInfo->_name; _layerSize = layerInfo->_layerSize; _tiles = layerInfo->_tiles; setOpacity( layerInfo->_opacity ); setProperties(layerInfo->getProperties()); // tilesetInfo _tileSet = tilesetInfo; CC_SAFE_RETAIN(_tileSet); // mapInfo _mapTileSize = mapInfo->getTileSize(); _layerOrientation = mapInfo->getOrientation(); // offset (after layer orientation is set); Point offset = this->calculateLayerOffset(layerInfo->_offset); this->setPosition(CC_POINT_PIXELS_TO_POINTS(offset)); this->setContentSize(CC_SIZE_PIXELS_TO_POINTS(Size(_layerSize.width * _mapTileSize.width, _layerSize.height * _mapTileSize.height))); this->tileToNodeTransform(); // shader, and other stuff setGLProgram(GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR)); _useAutomaticVertexZ = false; _vertexZvalue = 0; return true; } TMXLayer2::TMXLayer2() :_layerName("") ,_layerSize(Size::ZERO) ,_mapTileSize(Size::ZERO) ,_tiles(nullptr) ,_tileSet(nullptr) ,_layerOrientation(TMXOrientationOrtho) ,_texture(nullptr) ,_reusedTile(nullptr) ,_previousRect(0,0,0,0) ,_verticesToDraw(0) ,_vertexZvalue(0) ,_useAutomaticVertexZ(false) ,_quads(nullptr) ,_indices(nullptr) ,_numQuads(0) {} TMXLayer2::~TMXLayer2() { CC_SAFE_RELEASE(_tileSet); CC_SAFE_RELEASE(_texture); CC_SAFE_DELETE_ARRAY(_tiles); CC_SAFE_FREE(_quads); CC_SAFE_FREE(_indices); } void TMXLayer2::draw(Renderer *renderer, const Mat4& transform, uint32_t flags) { _customCommand.init(_globalZOrder); _customCommand.func = CC_CALLBACK_0(TMXLayer2::onDraw, this, transform, flags); renderer->addCommand(&_customCommand); } void TMXLayer2::onDraw(const Mat4 &transform, bool transformUpdated) { GL::enableVertexAttribs(GL::VERTEX_ATTRIB_FLAG_POSITION | GL::VERTEX_ATTRIB_FLAG_TEX_COORD); GL::bindTexture2D( _texture->getName() ); // tex coords + indices glBindBuffer(GL_ARRAY_BUFFER, _buffersVBO[0]); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _buffersVBO[1]); if( transformUpdated ) { Size s = Director::getInstance()->getWinSize(); auto rect = Rect(0, 0, s.width, s.height); Mat4 inv = transform; inv.inverse(); rect = RectApplyTransform(rect, inv); if( !rect.equals(_previousRect) ) { if (Configuration::getInstance()->supportsShareableVAO()) { V2F_T2F_Quad* quads = (V2F_T2F_Quad*)glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY); GLushort* indices = (GLushort *)glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY); _verticesToDraw = updateTiles(rect, quads, indices); glUnmapBuffer(GL_ARRAY_BUFFER); glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER); } else { _verticesToDraw = updateTiles(rect, nullptr, nullptr); if (_quads != nullptr && _indices != nullptr && _verticesToDraw > 0) { glBufferData(GL_ARRAY_BUFFER, sizeof(_quads[0]) * _numQuads , _quads, GL_DYNAMIC_DRAW); glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(_indices[0]) * _numQuads * 6 , _indices, GL_STATIC_DRAW); } } _previousRect = rect; } // don't draw more than 65535 vertices since we are using GL_UNSIGNED_SHORT for indices _verticesToDraw = std::min(_verticesToDraw, 65535); } if(_verticesToDraw > 0) { getGLProgram()->use(); getGLProgram()->setUniformsForBuiltins(_modelViewTransform); // vertices glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(V2F_T2F), (GLvoid*) offsetof(V2F_T2F, vertices)); // tex coords glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORDS, 2, GL_FLOAT, GL_FALSE, sizeof(V2F_T2F), (GLvoid*) offsetof(V2F_T2F, texCoords)); // color glVertexAttrib4f(GLProgram::VERTEX_ATTRIB_COLOR, _displayedColor.r/255.0f, _displayedColor.g/255.0f, _displayedColor.b/255.0f, _displayedOpacity/255.0f); glDrawElements(GL_TRIANGLES, _verticesToDraw, GL_UNSIGNED_SHORT, nullptr); CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1,_verticesToDraw); } // cleanup glBindBuffer(GL_ARRAY_BUFFER, 0); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); } int TMXLayer2::updateTiles(const Rect& culledRect, V2F_T2F_Quad *quads, GLushort *indices) { int tilesUsed = 0; Rect visibleTiles = culledRect; Size mapTileSize = CC_SIZE_PIXELS_TO_POINTS(_mapTileSize); Size tileSize = CC_SIZE_PIXELS_TO_POINTS(_tileSet->_tileSize); Mat4 nodeToTile = _tileToNodeTransform; nodeToTile.inverse(); //transform to tile visibleTiles = RectApplyTransform(visibleTiles, nodeToTile); visibleTiles.origin.x = floor(visibleTiles.origin.x); visibleTiles.origin.y = floor(visibleTiles.origin.y); visibleTiles.size.width = ceil(visibleTiles.size.width); visibleTiles.size.height = ceil(visibleTiles.size.height); V2F_T2F_Quad* quadsTmp = quads; GLushort* indicesTmp = indices; // doesn't support VBO if (quadsTmp == nullptr) { int quadsNeed = std::min(static_cast((visibleTiles.size.width + 1) * (visibleTiles.size.height + 1)), MAX_QUADS_COUNT); if (_numQuads < quadsNeed) { _numQuads = quadsNeed; _quads = (V2F_T2F_Quad*)realloc(_quads, _numQuads * sizeof(V2F_T2F_Quad)); _indices = (GLushort*)realloc(_indices, _numQuads * 6 * sizeof(GLushort)); } quadsTmp = _quads; indicesTmp = _indices; } int rows_per_tile = ceil(tileSize.height / mapTileSize.height) - 1; Size texSize = _tileSet->_imageSize; for (int y = visibleTiles.origin.y - rows_per_tile; y <= visibleTiles.origin.y + visibleTiles.size.height; ++y) { if(y<0 || y >= _layerSize.height) continue; for (int x = visibleTiles.origin.x; x <= visibleTiles.origin.x + visibleTiles.size.width; x++) { if(x<0 || x >= _layerSize.width) continue; int tileGID = _tiles[x + y * (int)_layerSize.width]; // GID==0 empty tile if(tileGID!=0) { V2F_T2F_Quad *quad = &quadsTmp[tilesUsed]; Vec3 nodePos(static_cast(x), static_cast(y), 0); _tileToNodeTransform.transformPoint(&nodePos); float left, right, top, bottom; // vertices left = nodePos.x; right = nodePos.x + tileSize.width; bottom = nodePos.y + tileSize.height; top = nodePos.y; if(tileGID & kTMXTileVerticalFlag) std::swap(top, bottom); if(tileGID & kTMXTileHorizontalFlag) std::swap(left, right); if(tileGID & kTMXTileDiagonalFlag) { // XXX: not working correcly quad->bl.vertices.x = left; quad->bl.vertices.y = bottom; quad->br.vertices.x = left; quad->br.vertices.y = top; quad->tl.vertices.x = right; quad->tl.vertices.y = bottom; quad->tr.vertices.x = right; quad->tr.vertices.y = top; } else { quad->bl.vertices.x = left; quad->bl.vertices.y = bottom; quad->br.vertices.x = right; quad->br.vertices.y = bottom; quad->tl.vertices.x = left; quad->tl.vertices.y = top; quad->tr.vertices.x = right; quad->tr.vertices.y = top; } // texcoords Rect tileTexture = _tileSet->getRectForGID(tileGID); left = (tileTexture.origin.x / texSize.width); right = left + (tileTexture.size.width / texSize.width); bottom = (tileTexture.origin.y / texSize.height); top = bottom + (tileTexture.size.height / texSize.height); quad->bl.texCoords.u = left; quad->bl.texCoords.v = bottom; quad->br.texCoords.u = right; quad->br.texCoords.v = bottom; quad->tl.texCoords.u = left; quad->tl.texCoords.v = top; quad->tr.texCoords.u = right; quad->tr.texCoords.v = top; GLushort *idxbase = indicesTmp + tilesUsed * 6; int vertexbase = tilesUsed * 4; idxbase[0] = vertexbase; idxbase[1] = vertexbase + 1; idxbase[2] = vertexbase + 2; idxbase[3] = vertexbase + 3; idxbase[4] = vertexbase + 2; idxbase[5] = vertexbase + 1; tilesUsed++; } if (tilesUsed >= MAX_QUADS_COUNT) { break; } } // for x if (tilesUsed >= MAX_QUADS_COUNT) { break; } } // for y return tilesUsed * 6; } void TMXLayer2::setupVBO() { glGenBuffers(2, &_buffersVBO[0]); // 10922 = 65536/6 int total = std::min(static_cast(_layerSize.width * _layerSize.height), MAX_QUADS_COUNT); // Vertex + Tex Coords glBindBuffer(GL_ARRAY_BUFFER, _buffersVBO[0]); glBufferData(GL_ARRAY_BUFFER, total * sizeof(V2F_T2F_Quad), NULL, GL_DYNAMIC_DRAW); glBindBuffer(GL_ARRAY_BUFFER, 0); // Indices glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _buffersVBO[1]); glBufferData(GL_ELEMENT_ARRAY_BUFFER, total * 6 * sizeof(GLushort), NULL, GL_DYNAMIC_DRAW); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); CHECK_GL_ERROR_DEBUG(); } // TMXLayer2 - setup Tiles void TMXLayer2::setupTiles() { // Optimization: quick hack that sets the image size on the tileset _tileSet->_imageSize = _texture->getContentSizeInPixels(); // By default all the tiles are aliased // pros: easier to render // cons: difficult to scale / rotate / etc. _texture->setAliasTexParameters(); //CFByteOrder o = CFByteOrderGetCurrent(); // Parse cocos2d properties this->parseInternalProperties(); Size screenSize = Director::getInstance()->getWinSize(); switch (_layerOrientation) { case TMXOrientationOrtho: _screenGridSize.width = ceil(screenSize.width / _mapTileSize.width) + 1; _screenGridSize.height = ceil(screenSize.height / _mapTileSize.height) + 1; // tiles could be bigger than the grid, add additional rows if needed _screenGridSize.height += _tileSet->_tileSize.height / _mapTileSize.height; break; case TMXOrientationIso: _screenGridSize.width = ceil(screenSize.width / _mapTileSize.width) + 2; _screenGridSize.height = ceil(screenSize.height / (_mapTileSize.height/2)) + 4; break; case TMXOrientationHex: break; } _screenTileCount = _screenGridSize.width * _screenGridSize.height; setupVBO(); } Mat4 TMXLayer2::tileToNodeTransform() { float w = _mapTileSize.width / CC_CONTENT_SCALE_FACTOR(); float h = _mapTileSize.height / CC_CONTENT_SCALE_FACTOR(); float offY = (_layerSize.height - 1) * h; switch(_layerOrientation) { case TMXOrientationOrtho: { _tileToNodeTransform = Mat4 ( w, 0.0f, 0.0f, 0.0f, 0.0f, -h, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, offY, 0.0f, 1.0f ); return _tileToNodeTransform; } case TMXOrientationIso: { float offX = (_layerSize.width - 1) * w / 2; _tileToNodeTransform = Mat4 ( w/2, -h/2, 0.0f, 0.0f, -w/2, -h/2, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, offX, offY, 0.0f, 1.0f ); return _tileToNodeTransform; } case TMXOrientationHex: { _tileToNodeTransform = Mat4::IDENTITY; return _tileToNodeTransform; } default: { _tileToNodeTransform = Mat4::IDENTITY; return _tileToNodeTransform; } } } // removing / getting tiles Sprite* TMXLayer2::getTileAt(const Point& tileCoordinate) { CCASSERT( tileCoordinate.x < _layerSize.width && tileCoordinate.y < _layerSize.height && tileCoordinate.x >=0 && tileCoordinate.y >=0, "TMXLayer: invalid position"); CCASSERT( _tiles, "TMXLayer: the tiles map has been released"); Sprite *tile = nullptr; int gid = this->getTileGIDAt(tileCoordinate); // if GID == 0, then no tile is present if( gid ) { int index = tileCoordinate.x + tileCoordinate.y * _layerSize.width; auto it = _spriteContainer.find(index); if (it != _spriteContainer.end()) { tile = it->second.first; } else { // tile not created yet. create it Rect rect = _tileSet->getRectForGID(gid); rect = CC_RECT_PIXELS_TO_POINTS(rect); tile = Sprite::createWithTexture(_texture, rect); Point p = this->getPositionAt(tileCoordinate); tile->setAnchorPoint(Point::ZERO); tile->setPosition(p); tile->setPositionZ((float)getVertexZForPos(tileCoordinate)); tile->setOpacity(this->getOpacity()); tile->setTag(index); this->addChild(tile, -index); _spriteContainer.insert(std::pair >(index, std::pair(tile, gid))); // tile is converted to sprite. _tiles[index] = 0; } } return tile; } int TMXLayer2::getTileGIDAt(const Point& tileCoordinate, TMXTileFlags* flags/* = nullptr*/) { CCASSERT(tileCoordinate.x < _layerSize.width && tileCoordinate.y < _layerSize.height && tileCoordinate.x >=0 && tileCoordinate.y >=0, "TMXLayer: invalid position"); CCASSERT(_tiles, "TMXLayer: the tiles map has been released"); int idx = static_cast((tileCoordinate.x + tileCoordinate.y * _layerSize.width)); // Bits on the far end of the 32-bit global tile ID are used for tile flags int tile = _tiles[idx]; auto it = _spriteContainer.find(idx); // converted to sprite. if (tile == 0 && it != _spriteContainer.end()) { tile = it->second.second; } // issue1264, flipped tiles can be changed dynamically if (flags) { *flags = (TMXTileFlags)(tile & kTMXFlipedAll); } return (tile & kTMXFlippedMask); } Point TMXLayer2::getPositionAt(const Point& pos) { return PointApplyTransform(pos, _tileToNodeTransform); } int TMXLayer2::getVertexZForPos(const Point& pos) { int ret = 0; int maxVal = 0; if (_useAutomaticVertexZ) { switch (_layerOrientation) { case TMXOrientationIso: maxVal = static_cast(_layerSize.width + _layerSize.height); ret = static_cast(-(maxVal - (pos.x + pos.y))); break; case TMXOrientationOrtho: ret = static_cast(-(_layerSize.height-pos.y)); break; case TMXOrientationHex: CCASSERT(0, "TMX Hexa zOrder not supported"); break; default: CCASSERT(0, "TMX invalid value"); break; } } else { ret = _vertexZvalue; } return ret; } void TMXLayer2::removeTileAt(const Point& tileCoordinate) { CCASSERT( tileCoordinate.x < _layerSize.width && tileCoordinate.y < _layerSize.height && tileCoordinate.x >=0 && tileCoordinate.y >=0, "TMXLayer: invalid position"); CCASSERT( _tiles, "TMXLayer: the tiles map has been released"); uint32_t gid = this->getTileGIDAt(tileCoordinate); if( gid ) { int z = tileCoordinate.x + tileCoordinate.y * _layerSize.width; // remove tile from GID map _tiles[z] = 0; // remove it from sprites auto it = _spriteContainer.find(z); if (it != _spriteContainer.end()) { this->removeChild(it->second.first); } } } void TMXLayer2::removeChild(Node* node, bool cleanup) { int tag = node->getTag(); auto it = _spriteContainer.find(tag); if (it != _spriteContainer.end() && it->second.first == node) { _spriteContainer.erase(it); } Node::removeChild(node, cleanup); } // TMXLayer2 - Properties Value TMXLayer2::getProperty(const std::string& propertyName) const { if (_properties.find(propertyName) != _properties.end()) return _properties.at(propertyName); return Value(); } void TMXLayer2::parseInternalProperties() { auto vertexz = getProperty("cc_vertexz"); if (!vertexz.isNull()) { std::string vertexZStr = vertexz.asString(); // If "automatic" is on, then parse the "cc_alpha_func" too if (vertexZStr == "automatic") { _useAutomaticVertexZ = true; auto alphaFuncVal = getProperty("cc_alpha_func"); float alphaFuncValue = alphaFuncVal.asFloat(); setGLProgram(GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_ALPHA_TEST)); GLint alphaValueLocation = glGetUniformLocation(getGLProgram()->getProgram(), GLProgram::UNIFORM_NAME_ALPHA_TEST_VALUE); // NOTE: alpha test shader is hard-coded to use the equivalent of a glAlphaFunc(GL_GREATER) comparison // use shader program to set uniform getGLProgram()->use(); getGLProgram()->setUniformLocationWith1f(alphaValueLocation, alphaFuncValue); CHECK_GL_ERROR_DEBUG(); } else { _vertexZvalue = vertexz.asInt(); } } } //CCTMXLayer2 - obtaining positions, offset Point TMXLayer2::calculateLayerOffset(const Point& pos) { Point ret = Point::ZERO; switch (_layerOrientation) { case TMXOrientationOrtho: ret = Point( pos.x * _mapTileSize.width, -pos.y *_mapTileSize.height); break; case TMXOrientationIso: ret = Point((_mapTileSize.width /2) * (pos.x - pos.y), (_mapTileSize.height /2 ) * (-pos.x - pos.y)); break; case TMXOrientationHex: CCASSERT(pos.equals(Point::ZERO), "offset for hexagonal map not implemented yet"); break; } return ret; } //void TMXLayer2::releaseMap() //{ // if (_tiles) // { // delete [] _tiles; // _tiles = nullptr; // } //} // TMXLayer - adding / remove tiles void TMXLayer2::setTileGID(int gid, const Point& tileCoordinate) { setTileGID(gid, tileCoordinate, (TMXTileFlags)0); } void TMXLayer2::setTileGID(int gid, const Point& tileCoordinate, TMXTileFlags flags) { CCASSERT(tileCoordinate.x < _layerSize.width && tileCoordinate.y < _layerSize.height && tileCoordinate.x >=0 && tileCoordinate.y >=0, "TMXLayer: invalid position"); CCASSERT(_tiles, "TMXLayer: the tiles map has been released"); CCASSERT(gid == 0 || gid >= _tileSet->_firstGid, "TMXLayer: invalid gid" ); TMXTileFlags currentFlags; int currentGID = getTileGIDAt(tileCoordinate, ¤tFlags); if (currentGID != gid || currentFlags != flags) { int gidAndFlags = gid | flags; // setting gid=0 is equal to remove the tile if (gid == 0) { removeTileAt(tileCoordinate); } // empty tile. create a new one else if (currentGID == 0) { int z = tileCoordinate.x + tileCoordinate.y * _layerSize.width; _tiles[z] = gidAndFlags; } // modifying an existing tile with a non-empty tile else { int z = tileCoordinate.x + tileCoordinate.y * _layerSize.width; auto it = _spriteContainer.find(z); if (it != _spriteContainer.end()) { Sprite *sprite = it->second.first; Rect rect = _tileSet->getRectForGID(gid); rect = CC_RECT_PIXELS_TO_POINTS(rect); sprite->setTextureRect(rect, false, rect.size); this->reorderChild(sprite, z); if (flags) { setupTileSprite(sprite, sprite->getPosition(), gidAndFlags); } it->second.second = gidAndFlags; } else { _tiles[z] = gidAndFlags; } } } } void TMXLayer2::setupTileSprite(Sprite* sprite, Point pos, int gid) { sprite->setPosition(getPositionAt(pos)); sprite->setPositionZ((float)getVertexZForPos(pos)); sprite->setAnchorPoint(Point::ZERO); sprite->setOpacity(this->getOpacity()); //issue 1264, flip can be undone as well sprite->setFlippedX(false); sprite->setFlippedY(false); sprite->setRotation(0.0f); // Rotation in tiled is achieved using 3 flipped states, flipping across the horizontal, vertical, and diagonal axes of the tiles. if (gid & kTMXTileDiagonalFlag) { // put the anchor in the middle for ease of rotation. sprite->setAnchorPoint(Point(0.5f,0.5f)); sprite->setPosition(Point(getPositionAt(pos).x + sprite->getContentSize().height/2, getPositionAt(pos).y + sprite->getContentSize().width/2 ) ); int flag = gid & (kTMXTileHorizontalFlag | kTMXTileVerticalFlag ); // handle the 4 diagonally flipped states. if (flag == kTMXTileHorizontalFlag) { sprite->setRotation(90.0f); } else if (flag == kTMXTileVerticalFlag) { sprite->setRotation(270.0f); } else if (flag == (kTMXTileVerticalFlag | kTMXTileHorizontalFlag) ) { sprite->setRotation(90.0f); sprite->setFlippedX(true); } else { sprite->setRotation(270.0f); sprite->setFlippedX(true); } } else { if (gid & kTMXTileHorizontalFlag) { sprite->setFlippedX(true); } if (gid & kTMXTileVerticalFlag) { sprite->setFlippedY(true); } } } Sprite* TMXLayer2::reusedTileWithRect(Rect rect) { if (! _reusedTile) { _reusedTile = Sprite::createWithTexture(_texture, rect); _reusedTile->retain(); } else { // Re-init the sprite _reusedTile->setTextureRect(rect, false, rect.size); } return _reusedTile; } std::string TMXLayer2::getDescription() const { return StringUtils::format("", _tag, (int)_mapTileSize.width, (int)_mapTileSize.height); } NS_CC_END