1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/* $Id$ */
/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file newgrf.h Base for the NewGRF implementation. */
#ifndef NEWGRF_H
#define NEWGRF_H
#include "newgrf_config.h"
#include "cargotype.h"
#include "industry_type.h"
#include "station_type.h"
#include "rail_type.h"
#include "house_type.h"
enum GrfLoadingStage {
GLS_FILESCAN,
GLS_SAFETYSCAN,
GLS_LABELSCAN,
GLS_INIT,
GLS_RESERVE,
GLS_ACTIVATION,
GLS_END,
};
DECLARE_POSTFIX_INCREMENT(GrfLoadingStage)
enum GrfMiscBit {
GMB_DESERT_TREES_FIELDS = 0, // Unsupported.
GMB_DESERT_PAVED_ROADS = 1,
GMB_FIELD_BOUNDING_BOX = 2, // Unsupported.
GMB_TRAIN_WIDTH_32_PIXELS = 3, ///< Use 32 pixels per train vehicle in depot gui and vehicle details. Never set in the global variable; @see GRFFile::traininfo_vehicle_width
GMB_AMBIENT_SOUND_CALLBACK = 4, // Unsupported.
GMB_CATENARY_ON_3RD_TRACK = 5, // Unsupported.
};
enum GrfSpecFeature {
GSF_TRAIN,
GSF_ROAD,
GSF_SHIP,
GSF_AIRCRAFT,
GSF_STATION,
GSF_CANAL,
GSF_BRIDGE,
GSF_TOWNHOUSE,
GSF_GLOBALVAR,
GSF_INDUSTRYTILES,
GSF_INDUSTRIES,
GSF_CARGOS,
GSF_SOUNDFX,
GSF_AIRPORTS,
GSF_SIGNALS,
GSF_OBJECTS,
GSF_RAILTYPES,
GSF_AIRPORTTILES,
GSF_END,
};
static const uint32 INVALID_GRFID = 0xFFFFFFFF;
struct GRFLabel {
byte label;
uint32 nfo_line;
size_t pos;
struct GRFLabel *next;
};
/** Dynamic data of a loaded NewGRF */
struct GRFFile {
char *filename;
bool is_ottdfile;
uint32 grfid;
uint16 sprite_offset;
byte grf_version;
/* A sprite group contains all sprites of a given vehicle (or multiple
* vehicles) when carrying given cargo. It consists of several sprite
* sets. Group ids are refered as "cargo id"s by TTDPatch
* documentation, contributing to the global confusion.
*
* A sprite set contains all sprites of a given vehicle carrying given
* cargo at a given *stage* - that is usually its load stage. Ie. you
* can have a spriteset for an empty wagon, wagon full of coal,
* half-filled wagon etc. Each spriteset contains eight sprites (one
* per direction) or four sprites if the vehicle is symmetric. */
SpriteID spriteset_start;
int spriteset_numsets;
int spriteset_numents;
int spriteset_feature;
int spritegroups_count;
struct SpriteGroup **spritegroups;
uint sound_offset;
uint16 num_sounds;
StationSpec **stations;
HouseSpec **housespec;
IndustrySpec **industryspec;
IndustryTileSpec **indtspec;
struct AirportSpec **airportspec;
struct AirportTileSpec **airtspec;
uint32 param[0x80];
uint param_end; ///< one more than the highest set parameter
GRFLabel *label; ///< Pointer to the first label. This is a linked list, not an array.
uint8 cargo_max;
CargoLabel *cargo_list;
uint8 cargo_map[NUM_CARGO];
uint8 railtype_max;
RailTypeLabel *railtype_list;
RailType railtype_map[RAILTYPE_END];
int traininfo_vehicle_pitch; ///< Vertical offset for draing train images in depot GUI and vehicle details
int traininfo_vehicle_width; ///< Width (in pixels) of a 8/8 train vehicle in depot GUI and vehicle details
uint32 grf_features; ///< Bitset of GrfSpecFeature the grf uses
PriceMultipliers price_base_multipliers; ///< Price base multipliers as set by the grf.
/** Get GRF Parameter with range checking */
uint32 GetParam(uint number) const
{
/* Note: We implicitly test for number < lengthof(this->param) and return 0 for invalid parameters.
* In fact this is the more important test, as param is zeroed anyway. */
assert(this->param_end <= lengthof(this->param));
return (number < this->param_end) ? this->param[number] : 0;
}
};
enum ShoreReplacement {
SHORE_REPLACE_NONE, ///< No shore sprites were replaced.
SHORE_REPLACE_ACTION_5, ///< Shore sprites were replaced by Action5.
SHORE_REPLACE_ACTION_A, ///< Shore sprites were replaced by ActionA (using grass tiles for the corner-shores).
SHORE_REPLACE_ONLY_NEW, ///< Only corner-shores were loaded by Action5 (openttd(w/d).grf only).
};
struct GRFLoadedFeatures {
bool has_2CC; ///< Set if any vehicle is loaded which uses 2cc (two company colours).
bool has_newhouses; ///< Set if there are any newhouses loaded.
bool has_newindustries; ///< Set if there are any newindustries loaded.
ShoreReplacement shore; ///< It which way shore sprites were replaced.
};
/* Indicates which are the newgrf features currently loaded ingame */
extern GRFLoadedFeatures _loaded_newgrf_features;
void LoadNewGRFFile(GRFConfig *config, uint file_index, GrfLoadingStage stage);
void LoadNewGRF(uint load_index, uint file_index);
void ReloadNewGRFData(); // in saveload/afterload.cpp
void CDECL grfmsg(int severity, const char *str, ...) WARN_FORMAT(2, 3);
bool HasGrfMiscBit(GrfMiscBit bit);
bool GetGlobalVariable(byte param, uint32 *value);
StringID MapGRFStringID(uint32 grfid, StringID str);
void ShowNewGRFError();
#endif /* NEWGRF_H */
|
