tron@2981: /* $Id$ */
tron@2981: 
tron@2981: #ifndef TREE_H
tron@2981: #define TREE_H
tron@2981: 
tron@2981: #include "macros.h"
tron@2981: 
tron@2981: typedef enum TreeType {
tron@2981: 	TR_INVALID      = -1,
tron@2981: 	TR_TEMPERATE    = 0,
tron@2981: 	TR_SUB_ARCTIC   = 12,
tron@2981: 	TR_RAINFOREST   = 20,
tron@2981: 	TR_CACTUS       = 27,
tron@2981: 	TR_SUB_TROPICAL = 28,
tron@2981: 	TR_TOYLAND      = 32
tron@2981: } TreeType;
tron@2981: 
tron@2981: enum {
tron@2981: 	TR_COUNT_TEMPERATE    = TR_SUB_ARCTIC   - TR_TEMPERATE,
tron@2981: 	TR_COUNT_SUB_ARCTIC   = TR_RAINFOREST   - TR_SUB_ARCTIC,
tron@2981: 	TR_COUNT_RAINFOREST   = TR_CACTUS       - TR_RAINFOREST,
tron@2981: 	TR_COUNT_SUB_TROPICAL = TR_SUB_TROPICAL - TR_CACTUS,
tron@2981: 	TR_COUNT_TOYLAND      = 9
tron@2981: };
tron@2981: 
tron@2981: /* ground type, m2 bits 4...5
tron@2981:  * valid densities (bits 6...7) in comments after the enum */
tron@2981: typedef enum TreeGround {
tron@2981: 	TR_GRASS       = 0, // 0
tron@2981: 	TR_ROUGH       = 1, // 0
tron@2981: 	TR_SNOW_DESERT = 2  // 0-3 for snow, 3 for desert
tron@2981: } TreeGround;
tron@2981: 
tron@2981: static inline TreeType GetTreeType(TileIndex t) { return _m[t].m3; }
tron@2981: static inline void SetTreeType(TileIndex t, TreeType r) { _m[t].m3 = r; }
tron@2981: 
tron@2981: static inline TreeGround GetTreeGround(TileIndex t) { return GB(_m[t].m2, 4, 2); }
tron@2981: 
tron@2981: static inline uint GetTreeDensity(TileIndex t) { return GB(_m[t].m2, 6, 2); }
tron@2981: 
tron@2981: static inline void SetTreeGroundDensity(TileIndex t, TreeGround g, uint d)
tron@2981: {
tron@2981: 	SB(_m[t].m2, 4, 2, g);
tron@2981: 	SB(_m[t].m2, 6, 2, d);
tron@2981: }
tron@2981: 
tron@2981: static inline void AddTreeCount(TileIndex t, int c) { _m[t].m5 += c << 6; }
tron@2981: static inline uint GetTreeCount(TileIndex t) { return GB(_m[t].m5, 6, 2); }
tron@2981: static inline void SetTreeCount(TileIndex t, uint c) { SB(_m[t].m5, 6, 2, c); }
tron@2981: 
tron@2981: static inline void AddTreeGrowth(TileIndex t, int a) { _m[t].m5 += a; }
tron@2981: static inline uint GetTreeGrowth(TileIndex t) { return GB(_m[t].m5, 0, 3); }
tron@2981: static inline void SetTreeGrowth(TileIndex t, uint g) { SB(_m[t].m5, 0, 3, g); }
tron@2981: 
tron@2981: static inline void AddTreeCounter(TileIndex t, int a) { _m[t].m2 += a; }
tron@2981: static inline uint GetTreeCounter(TileIndex t) { return GB(_m[t].m2, 0, 4); }
tron@2981: static inline void SetTreeCounter(TileIndex t, uint c) { SB(_m[t].m2, 0, 4, c); }
tron@2981: 
tron@2981: #endif