mirror of
https://github.com/JGRennison/OpenTTD-patches.git
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65 lines
3.1 KiB
C
65 lines
3.1 KiB
C
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file newgrf_generic.h Functions related to generic callbacks. */
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#ifndef NEWGRF_GENERIC_H
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#define NEWGRF_GENERIC_H
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#include "industry_type.h"
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#include "newgrf.h"
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#include "tile_type.h"
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struct SpriteGroup;
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/** AI events for asking the NewGRF for information. */
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enum AIConstructionEvent {
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AICE_TRAIN_CHECK_RAIL_ENGINE = 0x00, ///< Check if we should build an engine
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AICE_TRAIN_CHECK_ELRAIL_ENGINE = 0x01, ///< Check if we should build an engine
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AICE_TRAIN_CHECK_MONORAIL_ENGINE = 0x02, ///< Check if we should build an engine
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AICE_TRAIN_CHECK_MAGLEV_ENGINE = 0x03, ///< Check if we should build an engine
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AICE_TRAIN_GET_RAIL_WAGON = 0x08, ///< Check if we should build an engine
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AICE_TRAIN_GET_ELRAIL_WAGON = 0x09, ///< Check if we should build an engine
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AICE_TRAIN_GET_MONORAIL_WAGON = 0x0A, ///< Check if we should build an engine
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AICE_TRAIN_GET_MAGLEV_WAGON = 0x0B, ///< Check if we should build an engine
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AICE_TRAIN_GET_RAILTYPE = 0x0F, ///< Check if we should build a railtype
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AICE_ROAD_CHECK_ENGINE = 0x00, ///< Check if we should build an engine
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AICE_ROAD_GET_FIRST_ENGINE = 0x01, ///< Unused, we check all
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AICE_ROAD_GET_NUMBER_ENGINES = 0x02, ///< Unused, we check all
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AICE_SHIP_CHECK_ENGINE = 0x00, ///< Check if we should build an engine
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AICE_SHIP_GET_FIRST_ENGINE = 0x01, ///< Unused, we check all
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AICE_SHIP_GET_NUMBER_ENGINES = 0x02, ///< Unused, we check all
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AICE_AIRCRAFT_CHECK_ENGINE = 0x00, ///< Check if we should build an engine
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AICE_STATION_GET_STATION_ID = 0x00, ///< Get a station ID to build
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};
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static const IndustryType IT_AI_UNKNOWN = 0xFE; ///< The AI has no specific industry in mind.
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static const IndustryType IT_AI_TOWN = 0xFF; ///< The AI actually wants to transport to/from a town, not an industry.
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void ResetGenericCallbacks();
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void AddGenericCallback(uint8 feature, const GRFFile *file, const SpriteGroup *group);
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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);
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/** Play an ambient sound effect for an empty tile. */
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static inline void AmbientSoundEffect(TileIndex tile)
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{
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/* Only run callback if enabled. */
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if (!HasGrfMiscBit(GMB_AMBIENT_SOUND_CALLBACK)) return;
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extern void AmbientSoundEffectCallback(TileIndex tile);
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AmbientSoundEffectCallback(tile);
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}
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#endif /* NEWGRF_GENERIC_H */
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