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https://github.com/JGRennison/OpenTTD-patches.git
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60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/* $Id$ */
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#ifndef TREE_H
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#define TREE_H
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#include "macros.h"
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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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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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/* 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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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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static inline TreeGround GetTreeGround(TileIndex t) { return GB(_m[t].m2, 4, 2); }
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static inline uint GetTreeDensity(TileIndex t) { return GB(_m[t].m2, 6, 2); }
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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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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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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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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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#endif
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