| 23 | } |
| 24 | |
| 25 | void CEditorImage::AnalyseTileFlags() |
| 26 | { |
| 27 | std::fill(std::begin(m_aTileFlags), std::end(m_aTileFlags), 0); |
| 28 | |
| 29 | size_t TileWidth = m_Width / 16; |
| 30 | size_t TileHeight = m_Height / 16; |
| 31 | if(TileWidth == TileHeight && m_Format == CImageInfo::FORMAT_RGBA) |
| 32 | { |
| 33 | int TileId = 0; |
| 34 | for(size_t ty = 0; ty < 16; ty++) |
| 35 | for(size_t tx = 0; tx < 16; tx++, TileId++) |
| 36 | { |
| 37 | bool Opaque = true; |
| 38 | for(size_t x = 0; x < TileWidth; x++) |
| 39 | for(size_t y = 0; y < TileHeight; y++) |
| 40 | { |
| 41 | size_t p = (ty * TileWidth + y) * m_Width + tx * TileWidth + x; |
| 42 | if(m_pData[p * 4 + 3] < 250) |
| 43 | { |
| 44 | Opaque = false; |
| 45 | break; |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | if(Opaque) |
| 50 | m_aTileFlags[TileId] |= TILEFLAG_OPAQUE; |
| 51 | } |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | void CEditorImage::Free() |
| 56 | { |