* Variable 0x45 of road-/tram-/rail-types to query track types on a tile. * * Format: __RRttrr * - rr: Translated roadtype. * - tt: Translated tramtype. * - RR: Translated railtype. * * Special values for rr, tt, RR: * - 0xFF: Track not present on tile. * - 0xFE: Track present, but no matching entry in translation table. */
| 32 | * - 0xFE: Track present, but no matching entry in translation table. |
| 33 | */ |
| 34 | uint32_t GetTrackTypes(TileIndex tile, const GRFFile *grffile) |
| 35 | { |
| 36 | uint8_t road = 0xFF; |
| 37 | uint8_t tram = 0xFF; |
| 38 | if (MayHaveRoad(tile)) { |
| 39 | if (auto tt = GetRoadTypeRoad(tile); tt != INVALID_ROADTYPE) { |
| 40 | road = GetReverseRoadTypeTranslation(tt, grffile); |
| 41 | if (road == 0xFF) road = 0xFE; |
| 42 | } |
| 43 | if (auto tt = GetRoadTypeTram(tile); tt != INVALID_ROADTYPE) { |
| 44 | tram = GetReverseRoadTypeTranslation(tt, grffile); |
| 45 | if (tram == 0xFF) tram = 0xFE; |
| 46 | } |
| 47 | } |
| 48 | uint8_t rail = 0xFF; |
| 49 | if (auto tt = GetTileRailType(tile); tt != INVALID_RAILTYPE) { |
| 50 | rail = GetReverseRailTypeTranslation(tt, grffile); |
| 51 | if (rail == 0xFF) rail = 0xFE; |
| 52 | } |
| 53 | return road | tram << 8 | rail << 16; |
| 54 | } |
| 55 | |
| 56 | /* virtual */ uint32_t RoadTypeScopeResolver::GetRandomBits() const |
| 57 | { |
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