OpenTTD: src/newgrf_town.h Source File

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newgrf_town.h
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1 /* $Id: newgrf_town.h 27984 2018-03-11 13:19:41Z 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 NEWGRF_TOWN_H
13 #define NEWGRF_TOWN_H
14
15 #include "town_type.h"
16 #include "newgrf_spritegroup.h"
17
24 struct TownScopeResolver : public ScopeResolver {
25 Town *t;
26 bool readonly;
27
34 TownScopeResolver(ResolverObject &ro, Town *t, bool readonly)
35 : ScopeResolver(ro), t(t), readonly(readonly)
36 {
37 }
38
39 virtual uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
40 virtual void StorePSA(uint reg, int32 value);
41 };
42
44 struct TownResolverObject : public ResolverObject {
45 TownScopeResolver town_scope;
46
47 TownResolverObject(const struct GRFFile *grffile, Town *t, bool readonly);
48
49 /* virtual */ ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0)
50 {
51 switch (scope) {
52 case VSG_SCOPE_SELF: return &town_scope;
53 default: return ResolverObject::GetScope(scope, relative);
54 }
55 }
56 };
57
58 #endif /* NEWGRF_TOWN_H */