OpenTTD
newgrf_railtype.h
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1 /* $Id: newgrf_railtype.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_RAILTYPE_H
13 #define NEWGRF_RAILTYPE_H
14 
15 #include "rail.h"
16 #include "newgrf_commons.h"
17 #include "newgrf_spritegroup.h"
18 
23 
31  : ScopeResolver(ro), tile(tile), context(context)
32  {
33  }
34 
35  /* virtual */ uint32 GetRandomBits() const;
36  /* virtual */ uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
37 };
38 
42 
43  RailTypeResolverObject(const RailtypeInfo *rti, TileIndex tile, TileContext context, RailTypeSpriteGroup rtsg, uint32 param1 = 0, uint32 param2 = 0);
44 
45  /* virtual */ ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0)
46  {
47  switch (scope) {
48  case VSG_SCOPE_SELF: return &this->railtype_scope;
49  default: return ResolverObject::GetScope(scope, relative);
50  }
51  }
52 
53  /* virtual */ const SpriteGroup *ResolveReal(const RealSpriteGroup *group) const;
54 };
55 
56 SpriteID GetCustomRailSprite(const RailtypeInfo *rti, TileIndex tile, RailTypeSpriteGroup rtsg, TileContext context = TCX_NORMAL, uint *num_results = NULL);
57 SpriteID GetCustomSignalSprite(const RailtypeInfo *rti, TileIndex tile, SignalType type, SignalVariant var, SignalState state, bool gui = false);
58 
59 uint8 GetReverseRailTypeTranslation(RailType railtype, const GRFFile *grffile);
60 
61 #endif /* NEWGRF_RAILTYPE_H */