| 9 | #include <game/mapitems.h> |
| 10 | |
| 11 | static bool Process(IStorage *pStorage, const char **pMapNames) |
| 12 | { |
| 13 | CDataFileReader aMaps[2]; |
| 14 | |
| 15 | for(int i = 0; i < 2; ++i) |
| 16 | { |
| 17 | if(!aMaps[i].Open(pStorage, pMapNames[i], IStorage::TYPE_ABSOLUTE)) |
| 18 | { |
| 19 | dbg_msg("map_diff", "error opening map '%s'", pMapNames[i]); |
| 20 | return false; |
| 21 | } |
| 22 | |
| 23 | const CMapItemVersion *pVersion = static_cast<CMapItemVersion *>(aMaps[i].FindItem(MAPITEMTYPE_VERSION, 0)); |
| 24 | if(pVersion == nullptr || pVersion->m_Version != 1) |
| 25 | { |
| 26 | dbg_msg("map_diff", "unsupported map version '%s'", pMapNames[i]); |
| 27 | return false; |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | int aStart[2], aLayersNum[2]; |
| 32 | for(int i = 0; i < 2; ++i) |
| 33 | aMaps[i].GetType(MAPITEMTYPE_LAYER, &aStart[i], &aLayersNum[i]); |
| 34 | |
| 35 | // ensure basic layout |
| 36 | if(aLayersNum[0] != aLayersNum[1]) |
| 37 | { |
| 38 | dbg_msg("map_diff", "different layer numbers:"); |
| 39 | for(int i = 0; i < 2; ++i) |
| 40 | dbg_msg("map_diff", " \"%s\": %d layers", pMapNames[i], aLayersNum[i]); |
| 41 | return false; |
| 42 | } |
| 43 | |
| 44 | // preload data |
| 45 | for(int j = 0; j < aLayersNum[0]; ++j) |
| 46 | { |
| 47 | for(int i = 0; i < 2; ++i) |
| 48 | { |
| 49 | CMapItemLayer *pItem = (CMapItemLayer *)aMaps[i].GetItem(aStart[i] + j); |
| 50 | if(pItem->m_Type == LAYERTYPE_TILES) |
| 51 | (void)aMaps[i].GetData(((CMapItemLayerTilemap *)pItem)->m_Data); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | // compare |
| 56 | for(int j = 0; j < aLayersNum[0]; ++j) |
| 57 | { |
| 58 | CMapItemLayer *apItem[2]; |
| 59 | for(int i = 0; i < 2; ++i) |
| 60 | apItem[i] = (CMapItemLayer *)aMaps[i].GetItem(aStart[i] + j); |
| 61 | |
| 62 | if(apItem[0]->m_Type != LAYERTYPE_TILES || apItem[1]->m_Type != LAYERTYPE_TILES) |
| 63 | continue; |
| 64 | |
| 65 | CMapItemLayerTilemap *apTilemap[2]; |
| 66 | char aaName[2][12]; |
| 67 | |
| 68 | for(int i = 0; i < 2; ++i) |