tree_map.h

Go to the documentation of this file.
00001 /* $Id: tree_map.h 15643 2009-03-08 16:10:39Z smatz $ */
00002 
00005 #ifndef TREE_MAP_H
00006 #define TREE_MAP_H
00007 
00019 enum TreeType {
00020   TREE_INVALID      = -1,   
00021   TREE_TEMPERATE    = 0x00, 
00022   TREE_SUB_ARCTIC   = 0x0C, 
00023   TREE_RAINFOREST   = 0x14, 
00024   TREE_CACTUS       = 0x1B, 
00025   TREE_SUB_TROPICAL = 0x1C, 
00026   TREE_TOYLAND      = 0x20, 
00027 };
00028 
00036 enum {
00037   TREE_COUNT_TEMPERATE    = TREE_SUB_ARCTIC   - TREE_TEMPERATE,  
00038   TREE_COUNT_SUB_ARCTIC   = TREE_RAINFOREST   - TREE_SUB_ARCTIC, 
00039   TREE_COUNT_RAINFOREST   = TREE_CACTUS       - TREE_RAINFOREST, 
00040   TREE_COUNT_SUB_TROPICAL = TREE_SUB_TROPICAL - TREE_CACTUS,     
00041   TREE_COUNT_TOYLAND      = 9                                    
00042 };
00043 
00049 enum TreeGround {
00050   TREE_GROUND_GRASS       = 0, 
00051   TREE_GROUND_ROUGH       = 1, 
00052   TREE_GROUND_SNOW_DESERT = 2, 
00053   TREE_GROUND_SHORE       = 3, 
00054 };
00055 
00056 
00069 static inline TreeType GetTreeType(TileIndex t)
00070 {
00071   assert(IsTileType(t, MP_TREES));
00072   return (TreeType)_m[t].m3;
00073 }
00074 
00084 static inline TreeGround GetTreeGround(TileIndex t)
00085 {
00086   assert(IsTileType(t, MP_TREES));
00087   return (TreeGround)GB(_m[t].m2, 4, 2);
00088 }
00089 
00109 static inline uint GetTreeDensity(TileIndex t)
00110 {
00111   assert(IsTileType(t, MP_TREES));
00112   return GB(_m[t].m2, 6, 2);
00113 }
00114 
00126 static inline void SetTreeGroundDensity(TileIndex t, TreeGround g, uint d)
00127 {
00128   assert(IsTileType(t, MP_TREES)); // XXX incomplete
00129   SB(_m[t].m2, 4, 2, g);
00130   SB(_m[t].m2, 6, 2, d);
00131 }
00132 
00144 static inline uint GetTreeCount(TileIndex t)
00145 {
00146   assert(IsTileType(t, MP_TREES));
00147   return GB(_m[t].m5, 6, 2) + 1;
00148 }
00149 
00161 static inline void AddTreeCount(TileIndex t, int c)
00162 {
00163   assert(IsTileType(t, MP_TREES)); // XXX incomplete
00164   _m[t].m5 += c << 6;
00165 }
00166 
00176 static inline uint GetTreeGrowth(TileIndex t)
00177 {
00178   assert(IsTileType(t, MP_TREES));
00179   return GB(_m[t].m5, 0, 3);
00180 }
00181 
00191 static inline void AddTreeGrowth(TileIndex t, int a)
00192 {
00193   assert(IsTileType(t, MP_TREES)); // XXX incomplete
00194   _m[t].m5 += a;
00195 }
00196 
00207 static inline void SetTreeGrowth(TileIndex t, uint g)
00208 {
00209   assert(IsTileType(t, MP_TREES)); // XXX incomplete
00210   SB(_m[t].m5, 0, 3, g);
00211 }
00212 
00221 static inline uint GetTreeCounter(TileIndex t)
00222 {
00223   assert(IsTileType(t, MP_TREES));
00224   return GB(_m[t].m2, 0, 4);
00225 }
00226 
00236 static inline void AddTreeCounter(TileIndex t, int a)
00237 {
00238   assert(IsTileType(t, MP_TREES)); // XXX incomplete
00239   _m[t].m2 += a;
00240 }
00241 
00251 static inline void SetTreeCounter(TileIndex t, uint c)
00252 {
00253   assert(IsTileType(t, MP_TREES)); // XXX incomplete
00254   SB(_m[t].m2, 0, 4, c);
00255 }
00256 
00269 static inline void MakeTree(TileIndex t, TreeType type, uint count, uint growth, TreeGround ground, uint density)
00270 {
00271   SetTileType(t, MP_TREES);
00272   SetTileOwner(t, OWNER_NONE);
00273   _m[t].m2 = density << 6 | ground << 4 | 0;
00274   _m[t].m3 = type;
00275   _m[t].m4 = 0 << 5 | 0 << 2;
00276   _m[t].m5 = count << 6 | growth;
00277   SB(_m[t].m6, 2, 4, 0);
00278   _me[t].m7 = 0;
00279 }
00280 
00281 #endif /* TREE_MAP_H */

Generated on Wed Dec 23 20:12:53 2009 for OpenTTD by  doxygen 1.5.6