object_base.h

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00001 /* $Id$ */
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_BASE_H
00013 #define OBJECT_BASE_H
00014 
00015 #include "core/pool_type.hpp"
00016 #include "object_type.h"
00017 #include "tilearea_type.h"
00018 #include "town_type.h"
00019 #include "date_type.h"
00020 #include "core/smallvec_type.hpp"
00021 
00022 typedef Pool<Object, ObjectID, 64, 64000> ObjectPool;
00023 extern ObjectPool _object_pool;
00024 
00026 struct Object : ObjectPool::PoolItem<&_object_pool> {
00027   Town *town;         
00028   TileArea location;  
00029   Date build_date;    
00030   byte colour;        
00031   byte view;          
00032 
00034   Object() {}
00036   ~Object() {}
00037 
00038   static Object *GetByTile(TileIndex tile);
00039 
00045   static inline void IncTypeCount(ObjectType type)
00046   {
00047     assert(type < NUM_OBJECTS);
00048     counts[type]++;
00049   }
00050 
00056   static inline void DecTypeCount(ObjectType type)
00057   {
00058     assert(type < NUM_OBJECTS);
00059     counts[type]--;
00060   }
00061 
00067   static inline uint16 GetTypeCount(ObjectType type)
00068   {
00069     assert(type < NUM_OBJECTS);
00070     return counts[type];
00071   }
00072 
00074   static inline void ResetTypeCounts()
00075   {
00076     memset(&counts, 0, sizeof(counts));
00077   }
00078 
00079 protected:
00080   static uint16 counts[NUM_OBJECTS]; 
00081 };
00082 
00083 #define FOR_ALL_OBJECTS_FROM(var, start) FOR_ALL_ITEMS_FROM(Object, object_index, var, start)
00084 #define FOR_ALL_OBJECTS(var) FOR_ALL_OBJECTS_FROM(var, 0)
00085 
00089 struct ClearedObjectArea {
00090   TileIndex first_tile;  
00091   TileArea area;         
00092 };
00093 
00094 ClearedObjectArea *FindClearedObject(TileIndex tile);
00095 extern SmallVector<ClearedObjectArea, 4> _cleared_object_areas;
00096 
00097 #endif /* OBJECT_BASE_H */

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