/**************************************************************************** Copyright (c) 2008-2010 Ricardo Quesada Copyright (c) 2010-2012 cocos2d-x.org Copyright (c) 2011 Zynga Inc. Copyright (c) 2013-2016 Chukong Technologies Inc. Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd. 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 "2d/CCFastTMXLayer.h" #include "2d/CCFastTMXTiledMap.h" #include "2d/CCSprite.h" #include "2d/CCCamera.h" #include "renderer/CCTextureCache.h" #include "renderer/CCGLProgramCache.h" #include "renderer/CCRenderer.h" #include "renderer/CCVertexIndexBuffer.h" #include "base/CCDirector.h" #include "base/ccUTF8.h" NS_CC_BEGIN namespace experimental { const int TMXLayer::FAST_TMX_ORIENTATION_ORTHO = 0; const int TMXLayer::FAST_TMX_ORIENTATION_HEX = 1; const int TMXLayer::FAST_TMX_ORIENTATION_ISO = 2; // FastTMXLayer - init & alloc & dealloc TMXLayer * TMXLayer::create(TMXTilesetInfo *tilesetInfo, TMXLayerInfo *layerInfo, TMXMapInfo *mapInfo) { TMXLayer *ret = new (std::nothrow) TMXLayer(); if (ret->initWithTilesetInfo(tilesetInfo, layerInfo, mapInfo)) { ret->autorelease(); return ret; } CC_SAFE_DELETE(ret); return nullptr; } bool TMXLayer::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; _quadsDirty = true; 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); Vec2 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; } TMXLayer::TMXLayer() : _layerName("") , _layerSize(Size::ZERO) , _mapTileSize(Size::ZERO) , _tiles(nullptr) , _tileSet(nullptr) , _layerOrientation(FAST_TMX_ORIENTATION_ORTHO) , _texture(nullptr) , _vertexZvalue(0) , _useAutomaticVertexZ(false) , _quadsDirty(true) , _dirty(true) , _vertexBuffer(nullptr) , _vData(nullptr) , _indexBuffer(nullptr) { } TMXLayer::~TMXLayer() { CC_SAFE_RELEASE(_tileSet); CC_SAFE_RELEASE(_texture); CC_SAFE_FREE(_tiles); CC_SAFE_RELEASE(_vData); CC_SAFE_RELEASE(_vertexBuffer); CC_SAFE_RELEASE(_indexBuffer); } void TMXLayer::draw(Renderer *renderer, const Mat4& transform, uint32_t flags) { updateTotalQuads(); bool isViewProjectionUpdated = true; auto visitingCamera = Camera::getVisitingCamera(); auto defaultCamera = Camera::getDefaultCamera(); if (visitingCamera == defaultCamera) { isViewProjectionUpdated = visitingCamera->isViewProjectionUpdated(); } if( flags != 0 || _dirty || _quadsDirty || isViewProjectionUpdated) { Size s = Director::getInstance()->getVisibleSize(); auto rect = Rect(Camera::getVisitingCamera()->getPositionX() - s.width * 0.5f, Camera::getVisitingCamera()->getPositionY() - s.height * 0.5f, s.width, s.height); Mat4 inv = transform; inv.inverse(); rect = RectApplyTransform(rect, inv); updateTiles(rect); updateIndexBuffer(); updatePrimitives(); _dirty = false; } if(_renderCommands.size() < static_cast(_primitives.size())) { _renderCommands.resize(_primitives.size()); } int index = 0; for(const auto& iter : _primitives) { if(iter.second->getCount() > 0) { auto& cmd = _renderCommands[index++]; auto blendfunc = _texture->hasPremultipliedAlpha() ? BlendFunc::ALPHA_PREMULTIPLIED : BlendFunc::ALPHA_NON_PREMULTIPLIED; cmd.init(iter.first, _texture->getName(), getGLProgramState(), blendfunc, iter.second, _modelViewTransform, flags); renderer->addCommand(&cmd); } } } void TMXLayer::onDraw(Primitive *primitive) { glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_2D, _texture->getName()); getGLProgramState()->apply(_modelViewTransform); glBindVertexArray(0); primitive->draw(); glBindBuffer(GL_ARRAY_BUFFER, 0); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, primitive->getCount() * 4); } void TMXLayer::updateTiles(const Rect& culledRect) { Rect visibleTiles = Rect(culledRect.origin, culledRect.size * Director::getInstance()->getContentScaleFactor()); Size mapTileSize = CC_SIZE_PIXELS_TO_POINTS(_mapTileSize); Size tileSize = CC_SIZE_PIXELS_TO_POINTS(_tileSet->_tileSize); Mat4 nodeToTileTransform = _tileToNodeTransform.getInversed(); //transform to tile visibleTiles = RectApplyTransform(visibleTiles, nodeToTileTransform); // tile coordinate is upside-down, so we need to make the tile coordinate use top-left for the start point. visibleTiles.origin.y += 1; // if x=0.7, width=9.5, we need to draw number 0~10 of tiles, and so is height. visibleTiles.size.width = ceil(visibleTiles.origin.x + visibleTiles.size.width) - floor(visibleTiles.origin.x); visibleTiles.size.height = ceil(visibleTiles.origin.y + visibleTiles.size.height) - floor(visibleTiles.origin.y); visibleTiles.origin.x = floor(visibleTiles.origin.x); visibleTiles.origin.y = floor(visibleTiles.origin.y); // for the bigger tiles. int tilesOverX = 0; int tilesOverY = 0; // for diagonal orientation tiles float tileSizeMax = std::max(tileSize.width, tileSize.height); if (_layerOrientation == FAST_TMX_ORIENTATION_ORTHO) { tilesOverX = ceil(tileSizeMax / mapTileSize.width) - 1; tilesOverY = ceil(tileSizeMax / mapTileSize.height) - 1; if (tilesOverX < 0) tilesOverX = 0; if (tilesOverY < 0) tilesOverY = 0; } else if(_layerOrientation == FAST_TMX_ORIENTATION_ISO) { Rect overTileRect(0, 0, tileSizeMax - mapTileSize.width, tileSizeMax - mapTileSize.height); if (overTileRect.size.width < 0) overTileRect.size.width = 0; if (overTileRect.size.height < 0) overTileRect.size.height = 0; overTileRect = RectApplyTransform(overTileRect, nodeToTileTransform); tilesOverX = ceil(overTileRect.origin.x + overTileRect.size.width) - floor(overTileRect.origin.x); tilesOverY = ceil(overTileRect.origin.y + overTileRect.size.height) - floor(overTileRect.origin.y); } else { //do nothing, do not support //CCASSERT(0, "TMX invalid value"); } _indicesVertexZNumber.clear(); for(const auto& iter : _indicesVertexZOffsets) { _indicesVertexZNumber[iter.first] = iter.second; } int yBegin = std::max(0.f,visibleTiles.origin.y - tilesOverY); int yEnd = std::min(_layerSize.height,visibleTiles.origin.y + visibleTiles.size.height + tilesOverY); int xBegin = std::max(0.f,visibleTiles.origin.x - tilesOverX); int xEnd = std::min(_layerSize.width,visibleTiles.origin.x + visibleTiles.size.width + tilesOverX); for (int y = yBegin; y < yEnd; ++y) { for (int x = xBegin; x < xEnd; ++x) { int tileIndex = getTileIndexByPos(x, y); if(_tiles[tileIndex] == 0) continue; int vertexZ = getVertexZForPos(Vec2(x,y)); auto iter = _indicesVertexZNumber.find(vertexZ); int offset = iter->second; iter->second++; int quadIndex = _tileToQuadIndex[tileIndex]; CC_ASSERT(-1 != quadIndex); _indices[6 * offset + 0] = quadIndex * 4 + 0; _indices[6 * offset + 1] = quadIndex * 4 + 1; _indices[6 * offset + 2] = quadIndex * 4 + 2; _indices[6 * offset + 3] = quadIndex * 4 + 3; _indices[6 * offset + 4] = quadIndex * 4 + 2; _indices[6 * offset + 5] = quadIndex * 4 + 1; } // for x } // for y for(const auto& iter : _indicesVertexZOffsets) { _indicesVertexZNumber[iter.first] -= iter.second; if(_indicesVertexZNumber[iter.first] == 0) { _indicesVertexZNumber.erase(iter.first); } } } void TMXLayer::updateVertexBuffer() { glBindVertexArray(0); if(nullptr == _vData) { _vertexBuffer = VertexBuffer::create(sizeof(V3F_C4B_T2F), (int)_totalQuads.size() * 4); _vData = VertexData::create(); _vData->setStream(_vertexBuffer, VertexStreamAttribute(0, GLProgram::VERTEX_ATTRIB_POSITION, GL_FLOAT, 3)); _vData->setStream(_vertexBuffer, VertexStreamAttribute(offsetof(V3F_C4B_T2F, colors), GLProgram::VERTEX_ATTRIB_COLOR, GL_UNSIGNED_BYTE, 4, true)); _vData->setStream(_vertexBuffer, VertexStreamAttribute(offsetof(V3F_C4B_T2F, texCoords), GLProgram::VERTEX_ATTRIB_TEX_COORD, GL_FLOAT, 2)); CC_SAFE_RETAIN(_vData); CC_SAFE_RETAIN(_vertexBuffer); } if(_vertexBuffer) { _vertexBuffer->updateVertices((void*)&_totalQuads[0], (int)_totalQuads.size() * 4, 0); } } void TMXLayer::updateIndexBuffer() { if(nullptr == _indexBuffer) { #ifdef CC_FAST_TILEMAP_32_BIT_INDICES _indexBuffer = IndexBuffer::create(IndexBuffer::IndexType::INDEX_TYPE_UINT_32, (int)_indices.size()); #else _indexBuffer = IndexBuffer::create(IndexBuffer::IndexType::INDEX_TYPE_SHORT_16, (int)_indices.size()); #endif CC_SAFE_RETAIN(_indexBuffer); } _indexBuffer->updateIndices(&_indices[0], (int)_indices.size(), 0); } // FastTMXLayer - setup Tiles void TMXLayer::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 FAST_TMX_ORIENTATION_ORTHO: _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 FAST_TMX_ORIENTATION_ISO: _screenGridSize.width = ceil(screenSize.width / _mapTileSize.width) + 2; _screenGridSize.height = ceil(screenSize.height / (_mapTileSize.height/2)) + 4; break; case FAST_TMX_ORIENTATION_HEX: default: CCLOGERROR("FastTMX does not support type %d", _layerOrientation); break; } _screenTileCount = _screenGridSize.width * _screenGridSize.height; } Mat4 TMXLayer::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 FAST_TMX_ORIENTATION_ORTHO: { _tileToNodeTransform = Mat4 ( w, 0.0f, 0.0f, 0.0f, 0.0f, -h, 0.0f, offY, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0, 0.0f, 1.0f ); return _tileToNodeTransform; } case FAST_TMX_ORIENTATION_ISO: { float offX = (_layerSize.width - 1) * w / 2; _tileToNodeTransform = Mat4 ( w/2, -w/2, 0.0f, offX, -h/2, -h/2, 0.0f, offY, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f ); return _tileToNodeTransform; } case FAST_TMX_ORIENTATION_HEX: { _tileToNodeTransform = Mat4 ( h * sqrtf(0.75), 0, 0, 0, -h/2, -h, 0, offY, 0, 0, 1, 0, 0, 0, 0, 1 ); return _tileToNodeTransform; } default: { _tileToNodeTransform = Mat4::IDENTITY; return _tileToNodeTransform; } } } void TMXLayer::updatePrimitives() { for(const auto& iter : _indicesVertexZNumber) { int start = _indicesVertexZOffsets.at(iter.first); auto primitiveIter= _primitives.find(iter.first); if(primitiveIter == _primitives.end()) { auto primitive = Primitive::create(_vData, _indexBuffer, GL_TRIANGLES); primitive->setCount(iter.second * 6); primitive->setStart(start * 6); _primitives.insert(iter.first, primitive); } else { primitiveIter->second->setCount(iter.second * 6); primitiveIter->second->setStart(start * 6); } } } void TMXLayer::updateTotalQuads() { if(_quadsDirty) { Size tileSize = CC_SIZE_PIXELS_TO_POINTS(_tileSet->_tileSize); Size texSize = _tileSet->_imageSize; _tileToQuadIndex.clear(); _totalQuads.resize(int(_layerSize.width * _layerSize.height)); _indices.resize(6 * int(_layerSize.width * _layerSize.height)); _tileToQuadIndex.resize(int(_layerSize.width * _layerSize.height),-1); _indicesVertexZOffsets.clear(); int quadIndex = 0; for(int y = 0; y < _layerSize.height; ++y) { for(int x =0; x < _layerSize.width; ++x) { int tileIndex = getTileIndexByPos(x, y); int tileGID = _tiles[tileIndex]; if(tileGID == 0) continue; _tileToQuadIndex[tileIndex] = quadIndex; auto& quad = _totalQuads[quadIndex]; Vec3 nodePos(float(x), float(y), 0); _tileToNodeTransform.transformPoint(&nodePos); float left, right, top, bottom, z; z = getVertexZForPos(Vec2(x, y)); auto iter = _indicesVertexZOffsets.find(z); if(iter == _indicesVertexZOffsets.end()) { _indicesVertexZOffsets[z] = 1; } else { iter->second++; } // vertices if (tileGID & kTMXTileDiagonalFlag) { left = nodePos.x; right = nodePos.x + tileSize.height; bottom = nodePos.y + tileSize.width; top = nodePos.y; } else { 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) { // FIXME: not working correctly quad.bl.vertices.x = left; quad.bl.vertices.y = bottom; quad.bl.vertices.z = z; quad.br.vertices.x = left; quad.br.vertices.y = top; quad.br.vertices.z = z; quad.tl.vertices.x = right; quad.tl.vertices.y = bottom; quad.tl.vertices.z = z; quad.tr.vertices.x = right; quad.tr.vertices.y = top; quad.tr.vertices.z = z; } else { quad.bl.vertices.x = left; quad.bl.vertices.y = bottom; quad.bl.vertices.z = z; quad.br.vertices.x = right; quad.br.vertices.y = bottom; quad.br.vertices.z = z; quad.tl.vertices.x = left; quad.tl.vertices.y = top; quad.tl.vertices.z = z; quad.tr.vertices.x = right; quad.tr.vertices.y = top; quad.tr.vertices.z = z; } // 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; quad.bl.colors = Color4B::WHITE; quad.br.colors = Color4B::WHITE; quad.tl.colors = Color4B::WHITE; quad.tr.colors = Color4B::WHITE; ++quadIndex; } } int offset = 0; for(auto& vertexZOffset : _indicesVertexZOffsets) { std::swap(offset, vertexZOffset.second); offset += vertexZOffset.second; } updateVertexBuffer(); _quadsDirty = false; } } // removing / getting tiles Sprite* TMXLayer::getTileAt(const Vec2& 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 = (int) tileCoordinate.x + (int) 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); Vec2 p = this->getPositionAt(tileCoordinate); tile->setAnchorPoint(Vec2::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. setFlaggedTileGIDByIndex(index, 0); } } return tile; } int TMXLayer::getTileGIDAt(const Vec2& 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(((int) tileCoordinate.x + (int) 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); } Vec2 TMXLayer::getPositionAt(const Vec2& pos) { return PointApplyTransform(pos, _tileToNodeTransform); } int TMXLayer::getVertexZForPos(const Vec2& pos) { int ret = 0; int maxVal = 0; if (_useAutomaticVertexZ) { switch (_layerOrientation) { case FAST_TMX_ORIENTATION_ISO: maxVal = static_cast(_layerSize.width + _layerSize.height); ret = static_cast(-(maxVal - (pos.x + pos.y))); break; case FAST_TMX_ORIENTATION_ORTHO: ret = static_cast(-(_layerSize.height-pos.y)); break; case FAST_TMX_ORIENTATION_HEX: CCASSERT(0, "TMX Hexa vertexZ not supported"); break; default: CCASSERT(0, "TMX invalid value"); break; } } else { ret = _vertexZvalue; } return ret; } void TMXLayer::removeTileAt(const Vec2& tileCoordinate) { CCASSERT( tileCoordinate.x < _layerSize.width && tileCoordinate.y < _layerSize.height && tileCoordinate.x >=0 && tileCoordinate.y >=0, "TMXLayer: invalid position"); int gid = this->getTileGIDAt(tileCoordinate); if( gid ) { int z = (int) tileCoordinate.x + (int) tileCoordinate.y * _layerSize.width; // remove tile from GID map setFlaggedTileGIDByIndex(z, 0); // remove it from sprites auto it = _spriteContainer.find(z); if (it != _spriteContainer.end()) { this->removeChild(it->second.first); } } } void TMXLayer::setFlaggedTileGIDByIndex(int index, uint32_t gid) { if(gid == _tiles[index]) return; _tiles[index] = gid; _quadsDirty = true; _dirty = true; } void TMXLayer::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); } // TMXLayer - Properties Value TMXLayer::getProperty(const std::string& propertyName) const { auto propItr = _properties.find(propertyName); if (propItr != _properties.end()) return propItr->second; return Value(); } void TMXLayer::parseInternalProperties() { auto vertexz = getProperty("cc_vertexz"); if (vertexz.isNull()) return; 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 Vec2 TMXLayer::calculateLayerOffset(const Vec2& pos) { Vec2 ret; switch (_layerOrientation) { case FAST_TMX_ORIENTATION_ORTHO: ret.set( pos.x * _mapTileSize.width, -pos.y *_mapTileSize.height); break; case FAST_TMX_ORIENTATION_ISO: ret.set((_mapTileSize.width /2) * (pos.x - pos.y), (_mapTileSize.height /2 ) * (-pos.x - pos.y)); break; case FAST_TMX_ORIENTATION_HEX: default: CCASSERT(pos.isZero(), "offset for this map not implemented yet"); break; } return ret; } // TMXLayer - adding / remove tiles void TMXLayer::setTileGID(int gid, const Vec2& tileCoordinate) { setTileGID(gid, tileCoordinate, (TMXTileFlags)0); } void TMXLayer::setTileGID(int gid, const Vec2& 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) return; uint32_t 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 = (int) tileCoordinate.x + (int) tileCoordinate.y * _layerSize.width; setFlaggedTileGIDByIndex(z, gidAndFlags); } // modifying an existing tile with a non-empty tile else { int z = (int) tileCoordinate.x + (int) 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 { setFlaggedTileGIDByIndex(z, gidAndFlags); } } } void TMXLayer::setupTileSprite(Sprite* sprite, const Vec2& pos, uint32_t gid) { sprite->setPosition(getPositionAt(pos)); sprite->setPositionZ((float)getVertexZForPos(pos)); sprite->setAnchorPoint(Vec2::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(Vec2(0.5f,0.5f)); sprite->setPosition(getPositionAt(pos).x + sprite->getContentSize().height/2, getPositionAt(pos).y + sprite->getContentSize().width/2 ); uint32_t 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); } } } std::string TMXLayer::getDescription() const { return StringUtils::format("", _tag, (int)_mapTileSize.width, (int)_mapTileSize.height); } } //end of namespace experimental NS_CC_END