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object_base.h
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1 /* $Id: object_base.h 25844 2013-10-12 16:35:50Z frosch $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
8 */
9
12 #ifndef OBJECT_BASE_H
13 #define OBJECT_BASE_H
14
15 #include "core/pool_type.hpp"
16 #include "object_type.h"
17 #include "tilearea_type.h"
18 #include "town_type.h"
19 #include "date_type.h"
20
21 typedef Pool<Object, ObjectID, 64, 0xFF0000> ObjectPool;
22 extern ObjectPool _object_pool;
23
25 struct Object : ObjectPool::PoolItem<&_object_pool> {
26 ObjectType type;
27 Town *town;
28 TileArea location;
29 Date build_date;
30 byte colour;
31 byte view;
32
34 Object() {}
36 ~Object() {}
37
38 static Object *GetByTile(TileIndex tile);
39
45 static inline void IncTypeCount(ObjectType type)
46 {
47 assert(type < NUM_OBJECTS);
48 counts[type]++;
49 }
50
56 static inline void DecTypeCount(ObjectType type)
57 {
58 assert(type < NUM_OBJECTS);
59 counts[type]--;
60 }
61
67 static inline uint16 GetTypeCount(ObjectType type)
68 {
69 assert(type < NUM_OBJECTS);
70 return counts[type];
71 }
72
74 static inline void ResetTypeCounts()
75 {
76 memset(&counts, 0, sizeof(counts));
77 }
78
79 protected:
80 static uint16 counts[NUM_OBJECTS];
81 };
82
83 #define FOR_ALL_OBJECTS_FROM(var, start) FOR_ALL_ITEMS_FROM(Object, object_index, var, start)
84 #define FOR_ALL_OBJECTS(var) FOR_ALL_OBJECTS_FROM(var, 0)
85
89 struct ClearedObjectArea {
90 TileIndex first_tile;
91 TileArea area;
92 };
93
94 ClearedObjectArea *FindClearedObject(TileIndex tile);
95 extern SmallVector<ClearedObjectArea, 4> _cleared_object_areas;
96
97 #endif /* OBJECT_BASE_H */