object_map.h

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00001 /* $Id: object_map.h 20639 2010-08-27 22:26:21Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #ifndef OBJECT_MAP_H
00013 #define OBJECT_MAP_H
00014 
00015 #include "water_map.h"
00016 #include "object_type.h"
00017 
00024 static inline ObjectType GetObjectType(TileIndex t)
00025 {
00026   assert(IsTileType(t, MP_OBJECT));
00027   return (ObjectType)_m[t].m5;
00028 }
00029 
00036 static inline ObjectID GetObjectIndex(TileIndex t)
00037 {
00038   assert(IsTileType(t, MP_OBJECT));
00039   return _m[t].m2;
00040 }
00041 
00047 static inline bool IsTransmitterTile(TileIndex t)
00048 {
00049   return IsTileType(t, MP_OBJECT) && GetObjectType(t) == OBJECT_TRANSMITTER;
00050 }
00051 
00058 static inline bool IsOwnedLand(TileIndex t)
00059 {
00060   assert(IsTileType(t, MP_OBJECT));
00061   return GetObjectType(t) == OBJECT_OWNED_LAND;
00062 }
00063 
00069 static inline bool IsOwnedLandTile(TileIndex t)
00070 {
00071   return IsTileType(t, MP_OBJECT) && IsOwnedLand(t);
00072 }
00073 
00080 static inline bool IsCompanyHQ(TileIndex t)
00081 {
00082   assert(IsTileType(t, MP_OBJECT));
00083   return _m[t].m5 == OBJECT_HQ;
00084 }
00085 
00092 static inline bool IsStatue(TileIndex t)
00093 {
00094   assert(IsTileType(t, MP_OBJECT));
00095   return GetObjectType(t) == OBJECT_STATUE;
00096 }
00097 
00103 static inline bool IsStatueTile(TileIndex t)
00104 {
00105   return IsTileType(t, MP_OBJECT) && IsStatue(t);
00106 }
00107 
00114 static inline byte GetObjectRandomBits(TileIndex t)
00115 {
00116   assert(IsTileType(t, MP_OBJECT));
00117   return _m[t].m3;
00118 }
00119 
00120 
00131 static inline void MakeObject(TileIndex t, ObjectType u, Owner o, ObjectID index, WaterClass wc, byte random)
00132 {
00133   SetTileType(t, MP_OBJECT);
00134   SetTileOwner(t, o);
00135   SetWaterClass(t, wc);
00136   _m[t].m2 = index;
00137   _m[t].m3 = random;
00138   _m[t].m4 = 0;
00139   _m[t].m5 = u;
00140   SB(_m[t].m6, 2, 4, 0);
00141   _me[t].m7 = 0;
00142 }
00143 
00144 #endif /* OBJECT_MAP_H */

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