# newgrf_generic.h

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    00001 /* $Id$ */
    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_GENERIC_H
    00013 #define NEWGRF_GENERIC_H
    00014
    00015 #include "industry_type.h"
    00016 #include "newgrf.h"
    00017 #include "tile_type.h"
    00018
    00019 struct SpriteGroup;
    00020
    00022 enum AIConstructionEvent {
    00023   AICE_TRAIN_CHECK_RAIL_ENGINE     = 0x00,
    00024   AICE_TRAIN_CHECK_ELRAIL_ENGINE   = 0x01,
    00025   AICE_TRAIN_CHECK_MONORAIL_ENGINE = 0x02,
    00026   AICE_TRAIN_CHECK_MAGLEV_ENGINE   = 0x03,
    00027   AICE_TRAIN_GET_RAIL_WAGON        = 0x08,
    00028   AICE_TRAIN_GET_ELRAIL_WAGON      = 0x09,
    00029   AICE_TRAIN_GET_MONORAIL_WAGON    = 0x0A,
    00030   AICE_TRAIN_GET_MAGLEV_WAGON      = 0x0B,
    00031   AICE_TRAIN_GET_RAILTYPE          = 0x0F,
    00032
    00033   AICE_ROAD_CHECK_ENGINE           = 0x00,
    00034   AICE_ROAD_GET_FIRST_ENGINE       = 0x01,
    00035   AICE_ROAD_GET_NUMBER_ENGINES     = 0x02,
    00036
    00037   AICE_SHIP_CHECK_ENGINE           = 0x00,
    00038   AICE_SHIP_GET_FIRST_ENGINE       = 0x01,
    00039   AICE_SHIP_GET_NUMBER_ENGINES     = 0x02,
    00040
    00041   AICE_AIRCRAFT_CHECK_ENGINE       = 0x00,
    00042
    00043   AICE_STATION_GET_STATION_ID      = 0x00,
    00044 };
    00045
    00046 static const IndustryType IT_AI_UNKNOWN = 0xFE;
    00047 static const IndustryType IT_AI_TOWN    = 0xFF;
    00048
    00049 void ResetGenericCallbacks();
    00050 void AddGenericCallback(uint8 feature, const GRFFile *file, const SpriteGroup *group);
    00051
    00052 uint16 GetAiPurchaseCallbackResult(uint8 feature, CargoID cargo_type, uint8 default_selection, IndustryType src_industry, IndustryType dst_industry, uint8 distance, AIConstructionEvent event, uint8 count, uint8 station_size, const GRFFile **file);
    00053
    00055 static inline void AmbientSoundEffect(TileIndex tile)
    00056 {
    00057   /* Only run callback if enabled. */
    00058   if (!HasGrfMiscBit(GMB_AMBIENT_SOUND_CALLBACK)) return;
    00059
    00060   extern void AmbientSoundEffectCallback(TileIndex tile);
    00061   AmbientSoundEffectCallback(tile);
    00062 }
    00063
    00064 #endif /* NEWGRF_GENERIC_H */