town_map.h

Go to the documentation of this file.
00001 /* $Id: town_map.h 18567 2009-12-20 14:53:32Z 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 TOWN_MAP_H
00013 #define TOWN_MAP_H
00014 
00015 #include "road_map.h"
00016 #include "town_type.h"
00017 #include "house.h"
00018 
00025 static inline TownID GetTownIndex(TileIndex t)
00026 {
00027   assert(IsTileType(t, MP_HOUSE) || (IsTileType(t, MP_ROAD) && !IsRoadDepot(t)));
00028   return _m[t].m2;
00029 }
00030 
00037 static inline void SetTownIndex(TileIndex t, TownID index)
00038 {
00039   assert(IsTileType(t, MP_HOUSE) || (IsTileType(t, MP_ROAD) && !IsRoadDepot(t)));
00040   _m[t].m2 = index;
00041 }
00042 
00050 static inline HouseID GetCleanHouseType(TileIndex t)
00051 {
00052   assert(IsTileType(t, MP_HOUSE));
00053   return _m[t].m4 | (GB(_m[t].m3, 6, 1) << 8);
00054 }
00055 
00062 static inline HouseID GetHouseType(TileIndex t)
00063 {
00064   return GetTranslatedHouseID(GetCleanHouseType(t));
00065 }
00066 
00073 static inline void SetHouseType(TileIndex t, HouseID house_id)
00074 {
00075   assert(IsTileType(t, MP_HOUSE));
00076   _m[t].m4 = GB(house_id, 0, 8);
00077   SB(_m[t].m3, 6, 1, GB(house_id, 8, 1));
00078 }
00079 
00085 static inline bool LiftHasDestination(TileIndex t)
00086 {
00087   return HasBit(_me[t].m7, 0);
00088 }
00089 
00096 static inline void SetLiftDestination(TileIndex t, byte dest)
00097 {
00098   SetBit(_me[t].m7, 0);
00099   SB(_me[t].m7, 1, 3, dest);
00100 }
00101 
00107 static inline byte GetLiftDestination(TileIndex t)
00108 {
00109   return GB(_me[t].m7, 1, 3);
00110 }
00111 
00118 static inline void HaltLift(TileIndex t)
00119 {
00120   SB(_me[t].m7, 0, 4, 0);
00121 }
00122 
00128 static inline byte GetLiftPosition(TileIndex t)
00129 {
00130   return GB(_m[t].m6, 2, 6);
00131 }
00132 
00138 static inline void SetLiftPosition(TileIndex t, byte pos)
00139 {
00140   SB(_m[t].m6, 2, 6, pos);
00141 }
00142 
00149 static inline byte GetHouseAnimationFrame(TileIndex t)
00150 {
00151   assert(IsTileType(t, MP_HOUSE));
00152   return GB(_m[t].m6, 2, 6) | (GB(_m[t].m3, 5, 1) << 6);
00153 }
00154 
00161 static inline void SetHouseAnimationFrame(TileIndex t, byte frame)
00162 {
00163   assert(IsTileType(t, MP_HOUSE));
00164   SB(_m[t].m6, 2, 6, GB(frame, 0, 6));
00165   SB(_m[t].m3, 5, 1, GB(frame, 6, 1));
00166 }
00167 
00173 static inline bool IsHouseCompleted(TileIndex t)
00174 {
00175   assert(IsTileType(t, MP_HOUSE));
00176   return HasBit(_m[t].m3, 7);
00177 }
00178 
00184 static inline void SetHouseCompleted(TileIndex t, bool status)
00185 {
00186   assert(IsTileType(t, MP_HOUSE));
00187   SB(_m[t].m3, 7, 1, !!status);
00188 }
00189 
00200 static inline void MakeHouseTile(TileIndex t, TownID tid, byte counter, byte stage, HouseID type, byte random_bits)
00201 {
00202   assert(IsTileType(t, MP_CLEAR));
00203 
00204   SetTileType(t, MP_HOUSE);
00205   _m[t].m1 = random_bits;
00206   _m[t].m2 = tid;
00207   _m[t].m3 = 0;
00208   SetHouseType(t, type);
00209   SetHouseCompleted(t, stage == TOWN_HOUSE_COMPLETED);
00210   _m[t].m5 = IsHouseCompleted(t) ? 0 : (stage << 3 | counter);
00211   SetHouseAnimationFrame(t, 0);
00212   _me[t].m7 = HouseSpec::Get(type)->processing_time;
00213 }
00214 
00236 static inline byte GetHouseBuildingStage(TileIndex t)
00237 {
00238   assert(IsTileType(t, MP_HOUSE));
00239   return IsHouseCompleted(t) ? (byte)TOWN_HOUSE_COMPLETED : GB(_m[t].m5, 3, 2);
00240 }
00241 
00248 static inline byte GetHouseConstructionTick(TileIndex t)
00249 {
00250   assert(IsTileType(t, MP_HOUSE));
00251   return IsHouseCompleted(t) ? 0 : GB(_m[t].m5, 0, 3);
00252 }
00253 
00261 static inline void IncHouseConstructionTick(TileIndex t)
00262 {
00263   assert(IsTileType(t, MP_HOUSE));
00264   AB(_m[t].m5, 0, 5, 1);
00265 
00266   if (GB(_m[t].m5, 3, 2) == TOWN_HOUSE_COMPLETED) {
00267     /* House is now completed.
00268      * Store the year of construction as well, for newgrf house purpose */
00269     SetHouseCompleted(t, true);
00270   }
00271 }
00272 
00279 static inline void ResetHouseAge(TileIndex t)
00280 {
00281   assert(IsTileType(t, MP_HOUSE) && IsHouseCompleted(t));
00282   _m[t].m5 = 0;
00283 }
00284 
00290 static inline void IncrementHouseAge(TileIndex t)
00291 {
00292   assert(IsTileType(t, MP_HOUSE));
00293   if (IsHouseCompleted(t) && _m[t].m5 < 0xFF) _m[t].m5++;
00294 }
00295 
00302 static inline Year GetHouseAge(TileIndex t)
00303 {
00304   assert(IsTileType(t, MP_HOUSE));
00305   return IsHouseCompleted(t) ? _m[t].m5 : 0;
00306 }
00307 
00315 static inline void SetHouseRandomBits(TileIndex t, byte random)
00316 {
00317   assert(IsTileType(t, MP_HOUSE));
00318   _m[t].m1 = random;
00319 }
00320 
00328 static inline byte GetHouseRandomBits(TileIndex t)
00329 {
00330   assert(IsTileType(t, MP_HOUSE));
00331   return _m[t].m1;
00332 }
00333 
00341 static inline void SetHouseTriggers(TileIndex t, byte triggers)
00342 {
00343   assert(IsTileType(t, MP_HOUSE));
00344   SB(_m[t].m3, 0, 5, triggers);
00345 }
00346 
00354 static inline byte GetHouseTriggers(TileIndex t)
00355 {
00356   assert(IsTileType(t, MP_HOUSE));
00357   return GB(_m[t].m3, 0, 5);
00358 }
00359 
00366 static inline byte GetHouseProcessingTime(TileIndex t)
00367 {
00368   assert(IsTileType(t, MP_HOUSE));
00369   return _me[t].m7;
00370 }
00371 
00378 static inline void SetHouseProcessingTime(TileIndex t, byte time)
00379 {
00380   assert(IsTileType(t, MP_HOUSE));
00381   _me[t].m7 = time;
00382 }
00383 
00389 static inline void DecHouseProcessingTime(TileIndex t)
00390 {
00391   assert(IsTileType(t, MP_HOUSE));
00392   _me[t].m7--;
00393 }
00394 
00395 #endif /* TOWN_MAP_H */

Generated on Tue Jan 5 21:03:00 2010 for OpenTTD by  doxygen 1.5.6