71 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* $Id$ */
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| 
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| #ifndef TREE_MAP_H
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| #define TREE_MAP_H
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| 
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| #include "macros.h"
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| 
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| typedef enum TreeType {
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| 	TR_INVALID      = -1,
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| 	TR_TEMPERATE    = 0,
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| 	TR_SUB_ARCTIC   = 12,
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| 	TR_RAINFOREST   = 20,
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| 	TR_CACTUS       = 27,
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| 	TR_SUB_TROPICAL = 28,
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| 	TR_TOYLAND      = 32
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| } TreeType;
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| 
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| enum {
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| 	TR_COUNT_TEMPERATE    = TR_SUB_ARCTIC   - TR_TEMPERATE,
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| 	TR_COUNT_SUB_ARCTIC   = TR_RAINFOREST   - TR_SUB_ARCTIC,
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| 	TR_COUNT_RAINFOREST   = TR_CACTUS       - TR_RAINFOREST,
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| 	TR_COUNT_SUB_TROPICAL = TR_SUB_TROPICAL - TR_CACTUS,
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| 	TR_COUNT_TOYLAND      = 9
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| };
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| 
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| /* ground type, m2 bits 4...5
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|  * valid densities (bits 6...7) in comments after the enum */
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| typedef enum TreeGround {
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| 	TR_GRASS       = 0, // 0
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| 	TR_ROUGH       = 1, // 0
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| 	TR_SNOW_DESERT = 2  // 0-3 for snow, 3 for desert
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| } TreeGround;
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| 
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| static inline TreeType GetTreeType(TileIndex t) { return _m[t].m3; }
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| static inline void SetTreeType(TileIndex t, TreeType r) { _m[t].m3 = r; }
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| 
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| static inline TreeGround GetTreeGround(TileIndex t) { return GB(_m[t].m2, 4, 2); }
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| 
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| static inline uint GetTreeDensity(TileIndex t) { return GB(_m[t].m2, 6, 2); }
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| 
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| static inline void SetTreeGroundDensity(TileIndex t, TreeGround g, uint d)
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| {
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| 	SB(_m[t].m2, 4, 2, g);
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| 	SB(_m[t].m2, 6, 2, d);
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| }
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| 
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| static inline void AddTreeCount(TileIndex t, int c) { _m[t].m5 += c << 6; }
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| static inline uint GetTreeCount(TileIndex t) { return GB(_m[t].m5, 6, 2); }
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| static inline void SetTreeCount(TileIndex t, uint c) { SB(_m[t].m5, 6, 2, c); }
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| 
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| static inline void AddTreeGrowth(TileIndex t, int a) { _m[t].m5 += a; }
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| static inline uint GetTreeGrowth(TileIndex t) { return GB(_m[t].m5, 0, 3); }
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| static inline void SetTreeGrowth(TileIndex t, uint g) { SB(_m[t].m5, 0, 3, g); }
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| 
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| static inline void AddTreeCounter(TileIndex t, int a) { _m[t].m2 += a; }
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| static inline uint GetTreeCounter(TileIndex t) { return GB(_m[t].m2, 0, 4); }
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| static inline void SetTreeCounter(TileIndex t, uint c) { SB(_m[t].m2, 0, 4, c); }
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| 
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| 
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| static inline void MakeTree(TileIndex t, TreeType type, uint count, uint growth, TreeGround ground, uint density)
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| {
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| 	SetTileType(t, MP_TREES);
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| 	SetTileOwner(t, OWNER_NONE);
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| 	_m[t].m2 = density << 6 | ground << 4 | 0;
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| 	_m[t].m3 = type;
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| 	_m[t].m4 = 0 << 5 | 0 << 2;
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| 	_m[t].m5 = count << 6 | growth;
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| }
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| 
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| #endif
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