OpenTTD
newgrf.h
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1 /* $Id: newgrf.h 26364 2014-02-22 21:12:28Z rubidium $ */
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_H
13 #define NEWGRF_H
14 
15 #include "cargotype.h"
16 #include "rail_type.h"
17 #include "fileio_type.h"
18 #include "core/bitmath_func.hpp"
19 #include "core/alloc_type.hpp"
20 #include "core/smallvec_type.hpp"
21 
27  CF_WATERSLOPE,
28  CF_LOCKS,
29  CF_DIKES,
30  CF_ICON,
31  CF_DOCKS,
32  CF_RIVER_SLOPE,
33  CF_RIVER_EDGE,
34  CF_RIVER_GUI,
35  CF_BUOY,
36  CF_END,
37 };
38 
41  uint8 callback_mask;
42  uint8 flags;
43 };
44 
45 enum GrfLoadingStage {
46  GLS_FILESCAN,
47  GLS_SAFETYSCAN,
48  GLS_LABELSCAN,
49  GLS_INIT,
50  GLS_RESERVE,
51  GLS_ACTIVATION,
52  GLS_END,
53 };
54 
55 DECLARE_POSTFIX_INCREMENT(GrfLoadingStage)
56 
57 enum GrfMiscBit {
58  GMB_DESERT_TREES_FIELDS = 0, // Unsupported.
59  GMB_DESERT_PAVED_ROADS = 1,
60  GMB_FIELD_BOUNDING_BOX = 2, // Unsupported.
62  GMB_AMBIENT_SOUND_CALLBACK = 4,
63  GMB_CATENARY_ON_3RD_TRACK = 5, // Unsupported.
64 };
65 
67  GSF_TRAINS,
68  GSF_ROADVEHICLES,
69  GSF_SHIPS,
70  GSF_AIRCRAFT,
71  GSF_STATIONS,
72  GSF_CANALS,
73  GSF_BRIDGES,
74  GSF_HOUSES,
75  GSF_GLOBALVAR,
76  GSF_INDUSTRYTILES,
77  GSF_INDUSTRIES,
78  GSF_CARGOES,
79  GSF_SOUNDFX,
80  GSF_AIRPORTS,
81  GSF_SIGNALS,
82  GSF_OBJECTS,
83  GSF_RAILTYPES,
84  GSF_AIRPORTTILES,
85  GSF_END,
86 
87  GSF_FAKE_TOWNS = GSF_END,
89 
90  GSF_INVALID = 0xFF,
91 };
92 
93 static const uint32 INVALID_GRFID = 0xFFFFFFFF;
94 
95 struct GRFLabel {
96  byte label;
97  uint32 nfo_line;
98  size_t pos;
99  struct GRFLabel *next;
100 };
101 
104  char *filename;
105  bool is_ottdfile;
106  uint32 grfid;
107  byte grf_version;
108 
109  uint sound_offset;
110  uint16 num_sounds;
111 
112  struct StationSpec **stations;
113  struct HouseSpec **housespec;
114  struct IndustrySpec **industryspec;
115  struct IndustryTileSpec **indtspec;
116  struct ObjectSpec **objectspec;
117  struct AirportSpec **airportspec;
118  struct AirportTileSpec **airtspec;
119 
120  uint32 param[0x80];
121  uint param_end;
122 
124 
127 
129  RailTypeByte railtype_map[RAILTYPE_END];
130 
132 
134 
137 
138  uint32 grf_features;
139  PriceMultipliers price_base_multipliers;
140 
141  GRFFile(const struct GRFConfig *config);
142  ~GRFFile();
143 
145  uint32 GetParam(uint number) const
146  {
147  /* Note: We implicitly test for number < lengthof(this->param) and return 0 for invalid parameters.
148  * In fact this is the more important test, as param is zeroed anyway. */
149  assert(this->param_end <= lengthof(this->param));
150  return (number < this->param_end) ? this->param[number] : 0;
151  }
152 };
153 
159 };
160 
162  bool has_2CC;
163  uint64 used_liveries;
167 };
168 
174 static inline bool HasGrfMiscBit(GrfMiscBit bit)
175 {
176  extern byte _misc_grf_features;
177  return HasBit(_misc_grf_features, bit);
178 }
179 
180 /* Indicates which are the newgrf features currently loaded ingame */
182 
184 
185 void LoadNewGRFFile(struct GRFConfig *config, uint file_index, GrfLoadingStage stage, Subdirectory subdir);
186 void LoadNewGRF(uint load_index, uint file_index);
187 void ReloadNewGRFData(); // in saveload/afterload.cpp
188 void ResetNewGRFData();
190 
191 void CDECL grfmsg(int severity, const char *str, ...) WARN_FORMAT(2, 3);
192 
193 bool GetGlobalVariable(byte param, uint32 *value, const GRFFile *grffile);
194 
195 StringID MapGRFStringID(uint32 grfid, StringID str);
196 void ShowNewGRFError();
197 
198 #endif /* NEWGRF_H */