diff options
Diffstat (limited to 'src/bridge_map.h')
-rw-r--r-- | src/bridge_map.h | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/bridge_map.h b/src/bridge_map.h index 52943a2b5..6ce28c763 100644 --- a/src/bridge_map.h +++ b/src/bridge_map.h @@ -13,18 +13,34 @@ #include "tile.h" +/** + * Checks if this is a bridge, instead of a tunnel + * @param t The tile to analyze + * @pre IsTileType(t, MP_TUNNELBRIDGE) + * @return true if the structure is a bridge one + */ static inline bool IsBridge(TileIndex t) { assert(IsTileType(t, MP_TUNNELBRIDGE)); return HASBIT(_m[t].m5, 7); } +/** + * checks if there is a bridge on this tile + * @param t The tile to analyze + * @return true if a bridge is present + */ static inline bool IsBridgeTile(TileIndex t) { return IsTileType(t, MP_TUNNELBRIDGE) && IsBridge(t); } - +/** + * checks for the possibility that a bridge may be on this tile + * These are in fact all the tile types on which a bridge can be found + * @param t The tile to analyze + * @return true if a bridge migh be present + */ static inline bool MayHaveBridgeAbove(TileIndex t) { return @@ -36,7 +52,11 @@ static inline bool MayHaveBridgeAbove(TileIndex t) IsTileType(t, MP_UNMOVABLE); } - +/** + * checks if a bridge is set above the ground of this tile + * @param t The tile to analyze + * @return true if a bridge is detected above + */ static inline bool IsBridgeAbove(TileIndex t) { assert(MayHaveBridgeAbove(t)); @@ -46,7 +66,7 @@ static inline bool IsBridgeAbove(TileIndex t) /** * Determines the type of bridge on a tile - * @param tile The tile to analyze + * @param t The tile to analyze * @return The bridge type */ static inline uint GetBridgeType(TileIndex t) @@ -58,7 +78,7 @@ static inline uint GetBridgeType(TileIndex t) /** * Get the direction pointing onto the bridge - * @param tile The tile to analyze + * @param t The tile to analyze * @return the above mentionned direction */ static inline DiagDirection GetBridgeRampDirection(TileIndex t) |