mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-02 09:40:35 +00:00
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/* $Id$ */
|
|
|
|
#ifndef CLEAR_H
|
|
#define CLEAR_H
|
|
|
|
#include "macros.h"
|
|
|
|
/* ground type, m5 bits 2...4
|
|
* valid densities (bits 0...1) in comments after the enum
|
|
*/
|
|
typedef enum ClearGround {
|
|
CL_GRASS = 0, // 0-3
|
|
CL_ROUGH = 1, // 3
|
|
CL_ROCKS = 2, // 3
|
|
CL_FIELDS = 3, // 3
|
|
CL_SNOW = 4, // 0-3
|
|
CL_DESERT = 5 // 1,3
|
|
} ClearGround;
|
|
|
|
static inline ClearGround GetClearGround(TileIndex t) { return GB(_m[t].m5, 2, 3); }
|
|
static inline bool IsClearGround(TileIndex t, ClearGround ct) { return GetClearGround(t) == ct; }
|
|
|
|
static inline void AddClearDensity(TileIndex t, int d) { _m[t].m5 += d; }
|
|
static inline uint GetClearDensity(TileIndex t) { return GB(_m[t].m5, 0, 2); }
|
|
|
|
static inline void AddClearCounter(TileIndex t, int c) { _m[t].m5 += c << 5; }
|
|
static inline uint GetClearCounter(TileIndex t) { return GB(_m[t].m5, 5, 3); }
|
|
static inline void SetClearCounter(TileIndex t, uint c) { SB(_m[t].m5, 5, 3, c); }
|
|
|
|
/* Sets type and density in one go, also sets the counter to 0 */
|
|
static inline void SetClearGroundDensity(TileIndex t, ClearGround type, uint density)
|
|
{
|
|
_m[t].m5 = 0 << 5 | type << 2 | density;
|
|
}
|
|
|
|
static inline uint GetFieldType(TileIndex t) { return GB(_m[t].m3, 0, 4); }
|
|
static inline void SetFieldType(TileIndex t, uint f) { SB(_m[t].m3, 0, 4, f); }
|
|
|
|
/* Is used by tree tiles, too */
|
|
static inline uint GetFenceSE(TileIndex t) { return GB(_m[t].m4, 2, 3); }
|
|
static inline void SetFenceSE(TileIndex t, uint h) { SB(_m[t].m4, 2, 3, h); }
|
|
|
|
static inline uint GetFenceSW(TileIndex t) { return GB(_m[t].m4, 5, 3); }
|
|
static inline void SetFenceSW(TileIndex t, uint h) { SB(_m[t].m4, 5, 3, h); }
|
|
|
|
#endif
|