# newgrf_station.h

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    00001 /* $Id: newgrf_station.h 17976 2009-11-05 19:46:17Z frosch $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * 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.
    00006  * 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.
    00007  * 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/>.
    00008  */
    00009
    00012 #ifndef NEWGRF_STATION_H
    00013 #define NEWGRF_STATION_H
    00014
    00015 #include "engine_type.h"
    00016 #include "newgrf_callbacks.h"
    00017 #include "tile_type.h"
    00018 #include "station_type.h"
    00019 #include "strings_type.h"
    00020 #include "sprite.h"
    00021 #include "direction_type.h"
    00022 #include "newgrf.h"
    00023
    00024 enum StationClassID {
    00025   STAT_CLASS_BEGIN = 0,
    00026   STAT_CLASS_DFLT = 0,
    00027   STAT_CLASS_WAYP,
    00028   STAT_CLASS_MAX = 32,
    00029 };
    00030 typedef SimpleTinyEnumT<StationClassID, byte> StationClassIDByte;
    00031
    00033 DECLARE_POSTFIX_INCREMENT(StationClassID);
    00034
    00035 enum StationSpecFlags {
    00036   SSF_SEPARATE_GROUND,
    00037   SSF_DIV_BY_STATION_SIZE,
    00038   SSF_CB141_RANDOM_BITS,
    00039   SSF_CUSTOM_FOUNDATIONS,
    00040   SSF_EXTENDED_FOUNDATIONS,
    00041 };
    00042
    00043 /* Station layout for given dimensions - it is a two-dimensional array
    00044  * where index is computed as (x * platforms) + platform. */
    00045 typedef byte *StationLayout;
    00046
    00047 struct StationSpec {
    00048   const struct GRFFile *grffile;
    00049   int localidx;
    00050
    00051   bool allocated;
    00052
    00053   StationClassID sclass;
    00054   StringID name;
    00055
    00060   byte disallowed_platforms;
    00065   byte disallowed_lengths;
    00066
    00074   uint tiles;
    00075   DrawTileSprites *renderdata;
    00076   bool copied_renderdata;
    00077
    00081   uint16 cargo_threshold;
    00082
    00083   uint32 cargo_triggers;
    00084
    00085   byte callback_mask;
    00086
    00087   byte flags;
    00088
    00089   byte pylons;
    00090   byte wires;
    00091   byte blocked;
    00092
    00093   byte lengths;
    00094   byte *platforms;
    00095   StationLayout **layouts;
    00096   bool copied_layouts;
    00097
    00098   uint8  anim_frames;
    00099   uint8  anim_status;
    00100   uint8  anim_speed;
    00101   uint16 anim_triggers;
    00102
    00108   const struct SpriteGroup *spritegroup[NUM_CARGO + 3];
    00109 };
    00110
    00114 struct StationClass {
    00115   uint32 id;
    00116   StringID name;
    00117   uint stations;
    00118   StationSpec **spec;
    00119 };
    00120
    00121 void ResetStationClasses();
    00122 StationClassID AllocateStationClass(uint32 cls);
    00123 void SetStationClassName(StationClassID sclass, StringID name);
    00124 StringID GetStationClassName(StationClassID sclass);
    00125 const StationSpec *GetStationSpec(TileIndex t);
    00126
    00127 uint GetNumStationClasses();
    00128 uint GetNumCustomStations(StationClassID sclass);
    00129
    00130 void SetCustomStationSpec(StationSpec *statspec);
    00131 const StationSpec *GetCustomStationSpec(StationClassID sclass, uint station);
    00132 const StationSpec *GetCustomStationSpecByGrf(uint32 grfid, byte localidx, int *index);
    00133
    00134 /* Evaluate a tile's position within a station, and return the result a bitstuffed format. */
    00135 uint32 GetPlatformInfo(Axis axis, byte tile, int platforms, int length, int x, int y, bool centred);
    00136
    00137 /* Get sprite offset for a given custom station and station structure (may be
    00138  * NULL - that means we are in a build dialog). The station structure is used
    00139  * for variational sprite groups. */
    00140 SpriteID GetCustomStationRelocation(const StationSpec *statspec, const BaseStation *st, TileIndex tile);
    00141 SpriteID GetCustomStationGroundRelocation(const StationSpec *statspec, const BaseStation *st, TileIndex tile);
    00142 uint16 GetStationCallback(CallbackID callback, uint32 param1, uint32 param2, const StationSpec *statspec, const BaseStation *st, TileIndex tile);
    00143
    00144 /* Allocate a StationSpec to a Station. This is called once per build operation. */
    00145 int AllocateSpecToStation(const StationSpec *statspec, BaseStation *st, bool exec);
    00146
    00147 /* Deallocate a StationSpec from a Station. Called when removing a single station tile. */
    00148 void DeallocateSpecFromStation(BaseStation *st, byte specindex);
    00149
    00150 /* Draw representation of a station tile for GUI purposes. */
    00151 bool DrawStationTile(int x, int y, RailType railtype, Axis axis, StationClassID sclass, uint station);
    00152
    00153 enum StatAnimTrigger {
    00154   STAT_ANIM_BUILT,
    00155   STAT_ANIM_NEW_CARGO,
    00156   STAT_ANIM_CARGO_TAKEN,
    00157   STAT_ANIM_TRAIN_ARRIVES,
    00158   STAT_ANIM_TRAIN_DEPARTS,
    00159   STAT_ANIM_TRAIN_LOADS,
    00160   STAT_ANIM_250_TICKS,
    00161 };
    00162
    00163 void AnimateStationTile(TileIndex tile);
    00164 void StationAnimationTrigger(const BaseStation *st, TileIndex tile, StatAnimTrigger trigger, CargoID cargo_type = CT_INVALID);
    00165 void StationUpdateAnimTriggers(BaseStation *st);
    00166
    00167 #endif /* NEWGRF_STATION_H */