| 119 | } |
| 120 | |
| 121 | TMXTilesetInfo* FastTMXTiledMap::tilesetForLayer(TMXLayerInfo* layerInfo, TMXMapInfo* mapInfo) |
| 122 | { |
| 123 | Vec2 size = layerInfo->_layerSize; |
| 124 | auto& tilesets = mapInfo->getTilesets(); |
| 125 | |
| 126 | for (auto iter = tilesets.crbegin(), iterCrend = tilesets.crend(); iter != iterCrend; ++iter) |
| 127 | { |
| 128 | TMXTilesetInfo* tilesetInfo = *iter; |
| 129 | if (tilesetInfo) |
| 130 | { |
| 131 | for (int y = 0; y < size.height; y++) |
| 132 | { |
| 133 | for (int x = 0; x < size.width; x++) |
| 134 | { |
| 135 | uint32_t pos = static_cast<uint32_t>(x + size.width * y); |
| 136 | uint32_t gid = layerInfo->_tiles[pos]; |
| 137 | |
| 138 | // gid are stored in little endian. |
| 139 | // if host is big endian, then swap |
| 140 | // if( o == CFByteOrderBigEndian ) |
| 141 | // gid = CFSwapInt32( gid ); |
| 142 | /* We support little endian.*/ |
| 143 | |
| 144 | // FIXME: gid == 0 --> empty tile |
| 145 | if (gid != 0) |
| 146 | { |
| 147 | // Optimization: quick return |
| 148 | // if the layer is invalid (more than 1 tileset per layer) an AXASSERT will be thrown later |
| 149 | if ((gid & kTMXFlippedMask) >= static_cast<uint32_t>(tilesetInfo->_firstGid)) |
| 150 | { |
| 151 | return tilesetInfo; |
| 152 | } |
| 153 | } |
| 154 | } |
| 155 | } |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | // If all the tiles are 0, return empty tileset |
| 160 | AXLOGW("axmol: Warning: TMX Layer '{}' has no tiles", layerInfo->_name); |
| 161 | return nullptr; |
| 162 | } |
| 163 | |
| 164 | void FastTMXTiledMap::buildWithMapInfo(TMXMapInfo* mapInfo, bool allowInvisibleLayers) |
| 165 | { |