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@ r5856:e64c21408d74
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Location: cpp/openttd-patchpack/source/src/tree_map.h
r5856:e64c21408d74
2.8 KiB
text/x-c
(svn r8430) -Fix
Replace the rather obscure control flow for handling aircraft/ship/train orders by something remotly comprehensible (see r3584)
Replace the rather obscure control flow for handling aircraft/ship/train orders by something remotly comprehensible (see r3584)
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#ifndef TREE_MAP_H
#define TREE_MAP_H
#include "macros.h"
typedef enum TreeType {
TREE_INVALID = -1,
TREE_TEMPERATE = 0,
TREE_SUB_ARCTIC = 12,
TREE_RAINFOREST = 20,
TREE_CACTUS = 27,
TREE_SUB_TROPICAL = 28,
TREE_TOYLAND = 32
} TreeType;
enum {
TREE_COUNT_TEMPERATE = TREE_SUB_ARCTIC - TREE_TEMPERATE,
TREE_COUNT_SUB_ARCTIC = TREE_RAINFOREST - TREE_SUB_ARCTIC,
TREE_COUNT_RAINFOREST = TREE_CACTUS - TREE_RAINFOREST,
TREE_COUNT_SUB_TROPICAL = TREE_SUB_TROPICAL - TREE_CACTUS,
TREE_COUNT_TOYLAND = 9
};
/* ground type, m2 bits 4...5
* valid densities (bits 6...7) in comments after the enum */
typedef enum TreeGround {
TREE_GROUND_GRASS = 0, // 0
TREE_GROUND_ROUGH = 1, // 0
TREE_GROUND_SNOW_DESERT = 2 // 0-3 for snow, 3 for desert
} TreeGround;
static inline TreeType GetTreeType(TileIndex t)
{
assert(IsTileType(t, MP_TREES));
return (TreeType)_m[t].m3;
}
static inline TreeGround GetTreeGround(TileIndex t)
{
assert(IsTileType(t, MP_TREES));
return (TreeGround)GB(_m[t].m2, 4, 2);
}
static inline uint GetTreeDensity(TileIndex t)
{
assert(IsTileType(t, MP_TREES));
return GB(_m[t].m2, 6, 2);
}
static inline void SetTreeGroundDensity(TileIndex t, TreeGround g, uint d)
{
assert(IsTileType(t, MP_TREES)); // XXX incomplete
SB(_m[t].m2, 4, 2, g);
SB(_m[t].m2, 6, 2, d);
}
static inline uint GetTreeCount(TileIndex t)
{
assert(IsTileType(t, MP_TREES));
return GB(_m[t].m5, 6, 2);
}
static inline void AddTreeCount(TileIndex t, int c)
{
assert(IsTileType(t, MP_TREES)); // XXX incomplete
_m[t].m5 += c << 6;
}
static inline void SetTreeCount(TileIndex t, uint c)
{
assert(IsTileType(t, MP_TREES)); // XXX incomplete
SB(_m[t].m5, 6, 2, c);
}
static inline uint GetTreeGrowth(TileIndex t)
{
assert(IsTileType(t, MP_TREES));
return GB(_m[t].m5, 0, 3);
}
static inline void AddTreeGrowth(TileIndex t, int a)
{
assert(IsTileType(t, MP_TREES)); // XXX incomplete
_m[t].m5 += a;
}
static inline void SetTreeGrowth(TileIndex t, uint g)
{
assert(IsTileType(t, MP_TREES)); // XXX incomplete
SB(_m[t].m5, 0, 3, g);
}
static inline uint GetTreeCounter(TileIndex t)
{
assert(IsTileType(t, MP_TREES));
return GB(_m[t].m2, 0, 4);
}
static inline void AddTreeCounter(TileIndex t, int a)
{
assert(IsTileType(t, MP_TREES)); // XXX incomplete
_m[t].m2 += a;
}
static inline void SetTreeCounter(TileIndex t, uint c)
{
assert(IsTileType(t, MP_TREES)); // XXX incomplete
SB(_m[t].m2, 0, 4, c);
}
static inline void MakeTree(TileIndex t, TreeType type, uint count, uint growth, TreeGround ground, uint density)
{
SetTileType(t, MP_TREES);
SetTileOwner(t, OWNER_NONE);
_m[t].m2 = density << 6 | ground << 4 | 0;
_m[t].m3 = type;
_m[t].m4 = 0 << 5 | 0 << 2;
_m[t].m5 = count << 6 | growth;
}
#endif /* TREE_MAP_H */
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