# newgrf.h

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    00001 /* $Id: newgrf.h 15645 2009-03-08 16:51:08Z frosch $ */
    00002
    00005 #ifndef NEWGRF_H
    00006 #define NEWGRF_H
    00007
    00008 #include "town_type.h"
    00009 #include "newgrf_config.h"
    00010 #include "cargotype.h"
    00011 #include "industry_type.h"
    00012 #include "station_type.h"
    00013 #include "rail_type.h"
    00014
    00015 enum GrfLoadingStage {
    00016   GLS_FILESCAN,
    00017   GLS_SAFETYSCAN,
    00018   GLS_LABELSCAN,
    00019   GLS_INIT,
    00020   GLS_RESERVE,
    00021   GLS_ACTIVATION,
    00022   GLS_END,
    00023 };
    00024
    00025 DECLARE_POSTFIX_INCREMENT(GrfLoadingStage);
    00026
    00027 enum GrfMiscBit {
    00028   GMB_DESERT_TREES_FIELDS    = 0, // Unsupported.
    00029   GMB_DESERT_PAVED_ROADS     = 1,
    00030   GMB_FIELD_BOUNDING_BOX     = 2, // Unsupported.
    00031   GMB_TRAIN_WIDTH_32_PIXELS  = 3,
    00032   GMB_AMBIENT_SOUND_CALLBACK = 4, // Unsupported.
    00033   GMB_CATENARY_ON_3RD_TRACK  = 5, // Unsupported.
    00034 };
    00035
    00036 enum GrfSpecFeature {
    00037   GSF_TRAIN,
    00038   GSF_ROAD,
    00039   GSF_SHIP,
    00040   GSF_AIRCRAFT,
    00041   GSF_STATION,
    00042   GSF_CANAL,
    00043   GSF_BRIDGE,
    00044   GSF_TOWNHOUSE,
    00045   GSF_GLOBALVAR,
    00046   GSF_INDUSTRYTILES,
    00047   GSF_INDUSTRIES,
    00048   GSF_CARGOS,
    00049   GSF_SOUNDFX,
    00050   GSF_END,
    00051 };
    00052
    00053 static const uint32 INVALID_GRFID = 0xFFFFFFFF;
    00054
    00055 struct GRFLabel {
    00056   byte label;
    00057   uint32 nfo_line;
    00058   size_t pos;
    00059   struct GRFLabel *next;
    00060 };
    00061
    00062 struct GRFFile {
    00063   char *filename;
    00064   bool is_ottdfile;
    00065   uint32 grfid;
    00066   uint16 sprite_offset;
    00067   byte grf_version;
    00068   GRFFile *next;
    00069
    00070   /* A sprite group contains all sprites of a given vehicle (or multiple
    00071    * vehicles) when carrying given cargo. It consists of several sprite
    00072    * sets.  Group ids are refered as "cargo id"s by TTDPatch
    00073    * documentation, contributing to the global confusion.
    00074    *
    00075    * A sprite set contains all sprites of a given vehicle carrying given
    00076    * cargo at a given *stage* - that is usually its load stage. Ie. you
    00077    * can have a spriteset for an empty wagon, wagon full of coal,
    00078    * half-filled wagon etc.  Each spriteset contains eight sprites (one
    00079    * per direction) or four sprites if the vehicle is symmetric. */
    00080
    00081   SpriteID spriteset_start;
    00082   int spriteset_numsets;
    00083   int spriteset_numents;
    00084   int spriteset_feature;
    00085
    00086   int spritegroups_count;
    00087   struct SpriteGroup **spritegroups;
    00088
    00089   uint sound_offset;
    00090
    00091   StationSpec **stations;
    00092   HouseSpec **housespec;
    00093   IndustrySpec **industryspec;
    00094   IndustryTileSpec **indtspec;
    00095
    00096   uint32 param[0x80];
    00097   uint param_end;
    00098
    00099   GRFLabel *label;
    00100
    00101   uint8 cargo_max;
    00102   CargoLabel *cargo_list;
    00103   uint8 cargo_map[NUM_CARGO];
    00104
    00105   uint8 railtype_max;
    00106   RailTypeLabel *railtype_list;
    00107 };
    00108
    00109 extern GRFFile *_first_grffile;
    00110
    00111 enum ShoreReplacement {
    00112   SHORE_REPLACE_NONE,
    00113   SHORE_REPLACE_ACTION_5,
    00114   SHORE_REPLACE_ACTION_A,
    00115   SHORE_REPLACE_ONLY_NEW,
    00116 };
    00117
    00118 struct GRFLoadedFeatures {
    00119   bool has_2CC;
    00120   bool has_newhouses;
    00121   bool has_newindustries;
    00122   ShoreReplacement shore;
    00123 };
    00124
    00125 /* Indicates which are the newgrf features currently loaded ingame */
    00126 extern GRFLoadedFeatures _loaded_newgrf_features;
    00127
    00128 void LoadNewGRFFile(GRFConfig *config, uint file_index, GrfLoadingStage stage);
    00129 void LoadNewGRF(uint load_index, uint file_index);
    00130 void ReloadNewGRFData(); // in saveload/afterload.cpp
    00131
    00132 void CDECL grfmsg(int severity, const char *str, ...);
    00133
    00134 bool HasGrfMiscBit(GrfMiscBit bit);
    00135 bool GetGlobalVariable(byte param, uint32 *value);
    00136
    00137 StringID MapGRFStringID(uint32 grfid, StringID str);
    00138
    00139 #endif /* NEWGRF_H */