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author | tron <tron@openttd.org> | 2006-02-05 14:47:15 +0000 |
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committer | tron <tron@openttd.org> | 2006-02-05 14:47:15 +0000 |
commit | 208a4b4944525b9be53bacbabd11652ba777e4c7 (patch) | |
tree | 060012f8a54300b5071529647ce2b77c29c4ef0f /tree.h | |
parent | a7273d95b86d0eeba66aac0abb04cca7b0f495ab (diff) | |
download | openttd-208a4b4944525b9be53bacbabd11652ba777e4c7.tar.xz |
(svn r3556) Add accessors for handling tree tiles
See tree.h for details
Diffstat (limited to 'tree.h')
-rw-r--r-- | tree.h | 59 |
1 files changed, 59 insertions, 0 deletions
@@ -0,0 +1,59 @@ +/* $Id$ */ + +#ifndef TREE_H +#define TREE_H + +#include "macros.h" + +typedef enum TreeType { + TR_INVALID = -1, + TR_TEMPERATE = 0, + TR_SUB_ARCTIC = 12, + TR_RAINFOREST = 20, + TR_CACTUS = 27, + TR_SUB_TROPICAL = 28, + TR_TOYLAND = 32 +} TreeType; + +enum { + TR_COUNT_TEMPERATE = TR_SUB_ARCTIC - TR_TEMPERATE, + TR_COUNT_SUB_ARCTIC = TR_RAINFOREST - TR_SUB_ARCTIC, + TR_COUNT_RAINFOREST = TR_CACTUS - TR_RAINFOREST, + TR_COUNT_SUB_TROPICAL = TR_SUB_TROPICAL - TR_CACTUS, + TR_COUNT_TOYLAND = 9 +}; + +/* ground type, m2 bits 4...5 + * valid densities (bits 6...7) in comments after the enum */ +typedef enum TreeGround { + TR_GRASS = 0, // 0 + TR_ROUGH = 1, // 0 + TR_SNOW_DESERT = 2 // 0-3 for snow, 3 for desert +} TreeGround; + +static inline TreeType GetTreeType(TileIndex t) { return _m[t].m3; } +static inline void SetTreeType(TileIndex t, TreeType r) { _m[t].m3 = r; } + +static inline TreeGround GetTreeGround(TileIndex t) { return GB(_m[t].m2, 4, 2); } + +static inline uint GetTreeDensity(TileIndex t) { return GB(_m[t].m2, 6, 2); } + +static inline void SetTreeGroundDensity(TileIndex t, TreeGround g, uint d) +{ + SB(_m[t].m2, 4, 2, g); + SB(_m[t].m2, 6, 2, d); +} + +static inline void AddTreeCount(TileIndex t, int c) { _m[t].m5 += c << 6; } +static inline uint GetTreeCount(TileIndex t) { return GB(_m[t].m5, 6, 2); } +static inline void SetTreeCount(TileIndex t, uint c) { SB(_m[t].m5, 6, 2, c); } + +static inline void AddTreeGrowth(TileIndex t, int a) { _m[t].m5 += a; } +static inline uint GetTreeGrowth(TileIndex t) { return GB(_m[t].m5, 0, 3); } +static inline void SetTreeGrowth(TileIndex t, uint g) { SB(_m[t].m5, 0, 3, g); } + +static inline void AddTreeCounter(TileIndex t, int a) { _m[t].m2 += a; } +static inline uint GetTreeCounter(TileIndex t) { return GB(_m[t].m2, 0, 4); } +static inline void SetTreeCounter(TileIndex t, uint c) { SB(_m[t].m2, 0, 4, c); } + +#endif |