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https://github.com/JGRennison/OpenTTD-patches.git
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146 lines
3.1 KiB
C
146 lines
3.1 KiB
C
/* $Id$ */
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#ifndef CLEAR_MAP_H
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#define CLEAR_MAP_H
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#include "macros.h"
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#include "tile.h"
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/* ground type, m5 bits 2...4
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* valid densities (bits 0...1) in comments after the enum
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*/
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typedef enum ClearGround {
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CLEAR_GRASS = 0, // 0-3
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CLEAR_ROUGH = 1, // 3
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CLEAR_ROCKS = 2, // 3
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CLEAR_FIELDS = 3, // 3
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CLEAR_SNOW = 4, // 0-3
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CLEAR_DESERT = 5 // 1,3
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} ClearGround;
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static inline ClearGround GetClearGround(TileIndex t)
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{
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assert(IsTileType(t, MP_CLEAR));
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return GB(_m[t].m5, 2, 3);
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}
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static inline bool IsClearGround(TileIndex t, ClearGround ct)
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{
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return GetClearGround(t) == ct;
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}
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static inline uint GetClearDensity(TileIndex t)
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{
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assert(IsTileType(t, MP_CLEAR));
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return GB(_m[t].m5, 0, 2);
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}
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static inline void AddClearDensity(TileIndex t, int d)
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{
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assert(IsTileType(t, MP_CLEAR)); // XXX incomplete
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_m[t].m5 += d;
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}
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static inline uint GetClearCounter(TileIndex t)
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{
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assert(IsTileType(t, MP_CLEAR));
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return GB(_m[t].m5, 5, 3);
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}
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static inline void AddClearCounter(TileIndex t, int c)
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{
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assert(IsTileType(t, MP_CLEAR)); // XXX incomplete
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_m[t].m5 += c << 5;
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}
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static inline void SetClearCounter(TileIndex t, uint c)
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{
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assert(IsTileType(t, MP_CLEAR)); // XXX incomplete
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SB(_m[t].m5, 5, 3, c);
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}
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/* Sets type and density in one go, also sets the counter to 0 */
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static inline void SetClearGroundDensity(TileIndex t, ClearGround type, uint density)
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{
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assert(IsTileType(t, MP_CLEAR)); // XXX incomplete
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_m[t].m5 = 0 << 5 | type << 2 | density;
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}
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static inline uint GetFieldType(TileIndex t)
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{
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assert(GetClearGround(t) == CLEAR_FIELDS);
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return GB(_m[t].m3, 0, 4);
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}
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static inline void SetFieldType(TileIndex t, uint f)
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{
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assert(GetClearGround(t) == CLEAR_FIELDS); // XXX incomplete
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SB(_m[t].m3, 0, 4, f);
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}
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static inline uint16 GetIndustryIndexOfField(TileIndex t)
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{
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assert(GetClearGround(t) == CLEAR_FIELDS);
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return _m[t].m2;
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}
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static inline void SetIndustryIndexOfField(TileIndex t, uint16 i)
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{
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assert(GetClearGround(t) == CLEAR_FIELDS);
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_m[t].m2 = i;
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}
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/* Is used by tree tiles, too */
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static inline uint GetFenceSE(TileIndex t)
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{
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assert(IsTileType(t, MP_CLEAR) || IsTileType(t, MP_TREES));
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return GB(_m[t].m4, 2, 3);
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}
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static inline void SetFenceSE(TileIndex t, uint h)
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{
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assert(IsTileType(t, MP_CLEAR) || IsTileType(t, MP_TREES)); // XXX incomplete
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SB(_m[t].m4, 2, 3, h);
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}
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static inline uint GetFenceSW(TileIndex t)
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{
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assert(IsTileType(t, MP_CLEAR) || IsTileType(t, MP_TREES));
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return GB(_m[t].m4, 5, 3);
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}
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static inline void SetFenceSW(TileIndex t, uint h)
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{
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assert(IsTileType(t, MP_CLEAR) || IsTileType(t, MP_TREES)); // XXX incomplete
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SB(_m[t].m4, 5, 3, h);
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}
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static inline void MakeClear(TileIndex t, ClearGround g, uint density)
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{
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SetTileType(t, MP_CLEAR);
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SetTileOwner(t, OWNER_NONE);
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_m[t].m2 = 0;
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_m[t].m3 = 0;
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_m[t].m4 = 0 << 5 | 0 << 2;
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SetClearGroundDensity(t, g, density);
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}
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static inline void MakeField(TileIndex t, uint field_type, uint16 industry)
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{
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SetTileType(t, MP_CLEAR);
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SetTileOwner(t, OWNER_NONE);
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_m[t].m2 = industry;
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_m[t].m3 = field_type;
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_m[t].m4 = 0 << 5 | 0 << 2;
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SetClearGroundDensity(t, CLEAR_FIELDS, 3);
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}
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#endif /* CLEAR_MAP_H */
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