tron@2981: /* $Id$ */
tron@2981: 
tron@3145: #ifndef TREE_MAP_H
tron@3145: #define TREE_MAP_H
tron@2981: 
tron@2981: #include "macros.h"
tron@2981: 
tron@2981: typedef enum TreeType {
tron@3441: 	TREE_INVALID      = -1,
tron@3441: 	TREE_TEMPERATE    = 0,
tron@3441: 	TREE_SUB_ARCTIC   = 12,
tron@3441: 	TREE_RAINFOREST   = 20,
tron@3441: 	TREE_CACTUS       = 27,
tron@3441: 	TREE_SUB_TROPICAL = 28,
tron@3441: 	TREE_TOYLAND      = 32
tron@2981: } TreeType;
tron@2981: 
tron@2981: enum {
tron@3441: 	TREE_COUNT_TEMPERATE    = TREE_SUB_ARCTIC   - TREE_TEMPERATE,
tron@3441: 	TREE_COUNT_SUB_ARCTIC   = TREE_RAINFOREST   - TREE_SUB_ARCTIC,
tron@3441: 	TREE_COUNT_RAINFOREST   = TREE_CACTUS       - TREE_RAINFOREST,
tron@3441: 	TREE_COUNT_SUB_TROPICAL = TREE_SUB_TROPICAL - TREE_CACTUS,
tron@3441: 	TREE_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@3441: 	TREE_GROUND_GRASS       = 0, // 0
tron@3441: 	TREE_GROUND_ROUGH       = 1, // 0
tron@3441: 	TREE_GROUND_SNOW_DESERT = 2  // 0-3 for snow, 3 for desert
tron@2981: } TreeGround;
tron@2981: 
tron@2981: 
tron@3369: static inline TreeType GetTreeType(TileIndex t)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES));
tron@3369: 	return _m[t].m3;
tron@3369: }
tron@2981: 
tron@3369: 
tron@3369: static inline TreeGround GetTreeGround(TileIndex t)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES));
tron@3369: 	return GB(_m[t].m2, 4, 2);
tron@3369: }
tron@3369: 
tron@3369: 
tron@3369: static inline uint GetTreeDensity(TileIndex t)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES));
tron@3369: 	return GB(_m[t].m2, 6, 2);
tron@3369: }
tron@3369: 
tron@2981: 
tron@2981: static inline void SetTreeGroundDensity(TileIndex t, TreeGround g, uint d)
tron@2981: {
tron@3369: 	assert(IsTileType(t, MP_TREES)); // XXX incomplete
tron@2981: 	SB(_m[t].m2, 4, 2, g);
tron@2981: 	SB(_m[t].m2, 6, 2, d);
tron@2981: }
tron@2981: 
tron@2981: 
tron@3369: static inline uint GetTreeCount(TileIndex t)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES));
tron@3369: 	return GB(_m[t].m5, 6, 2);
tron@3369: }
tron@2981: 
tron@3369: static inline void AddTreeCount(TileIndex t, int c)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES)); // XXX incomplete
tron@3369: 	_m[t].m5 += c << 6;
tron@3369: }
tron@3369: 
tron@3369: static inline void SetTreeCount(TileIndex t, uint c)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES)); // XXX incomplete
tron@3369: 	SB(_m[t].m5, 6, 2, c);
tron@3369: }
tron@3369: 
tron@3369: 
tron@3369: static inline uint GetTreeGrowth(TileIndex t)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES));
tron@3369: 	return GB(_m[t].m5, 0, 3);
tron@3369: }
tron@3369: 
tron@3369: static inline void AddTreeGrowth(TileIndex t, int a)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES)); // XXX incomplete
tron@3369: 	_m[t].m5 += a;
tron@3369: }
tron@3369: 
tron@3369: static inline void SetTreeGrowth(TileIndex t, uint g)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES)); // XXX incomplete
tron@3369: 	SB(_m[t].m5, 0, 3, g);
tron@3369: }
tron@3369: 
tron@3369: 
tron@3369: static inline uint GetTreeCounter(TileIndex t)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES));
tron@3369: 	return GB(_m[t].m2, 0, 4);
tron@3369: }
tron@3369: 
tron@3369: static inline void AddTreeCounter(TileIndex t, int a)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES)); // XXX incomplete
tron@3369: 	_m[t].m2 += a;
tron@3369: }
tron@3369: 
tron@3369: static inline void SetTreeCounter(TileIndex t, uint c)
tron@3369: {
tron@3369: 	assert(IsTileType(t, MP_TREES)); // XXX incomplete
tron@3369: 	SB(_m[t].m2, 0, 4, c);
tron@3369: }
tron@2981: 
tron@3079: 
tron@3079: static inline void MakeTree(TileIndex t, TreeType type, uint count, uint growth, TreeGround ground, uint density)
tron@3079: {
tron@3079: 	SetTileType(t, MP_TREES);
tron@3079: 	SetTileOwner(t, OWNER_NONE);
tron@3079: 	_m[t].m2 = density << 6 | ground << 4 | 0;
tron@3079: 	_m[t].m3 = type;
tron@3079: 	_m[t].m4 = 0 << 5 | 0 << 2;
tron@3079: 	_m[t].m5 = count << 6 | growth;
tron@3079: }
tron@3079: 
peter1138@4666: #endif /* TREE_MAP_H */