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/* $Id$ */

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/** @file newgrf_industries.h */

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#ifndef NEWGRF_INDUSTRIES_H

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#define NEWGRF_INDUSTRIES_H

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#include "industry_type.h"

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#include "newgrf_spritegroup.h"

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/** When should the industry(tile) be triggered for random bits? */

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enum IndustryTrigger {

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	/** Triggered each tile loop */

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	INDUSTRY_TRIGGER_TILELOOP_PROCESS = 1,

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	/** Triggered (whole industry) each 256 ticks */

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	INDUSTRY_TRIGGER_256_TICKS        = 2,

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	/** Triggered on cargo delivery */

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	INDUSTRY_TRIGGER_CARGO_DELIVERY   = 4,

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};

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/** From where is callback CBID_INDUSTRY_AVAILABLE been called */

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enum IndustryAvailabilityCallType {

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	IACT_MAPGENERATION,   ///< during random map generation

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	IACT_RANDOMCREATION,  ///< during creation of random ingame industry

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	IACT_USERCREATION,    ///< from the Fund/build window

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};

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/* in newgrf_industry.cpp */

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uint32 IndustryGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available);

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uint16 GetIndustryCallback(CallbackID callback, uint32 param1, uint32 param2, Industry *industry, IndustryType type, TileIndex tile);

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uint32 GetIndustryIDAtOffset(TileIndex new_tile, const Industry *i);

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void IndustryProductionCallback(Industry *ind, int reason);

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bool CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, uint itspec_index, uint32 seed);

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bool CheckIfCallBackAllowsAvailability(IndustryType type, IndustryAvailabilityCallType creation_type);

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IndustryType MapNewGRFIndustryType(IndustryType grf_type, uint32 grf_id);

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/* in newgrf_industrytiles.cpp*/

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uint32 GetNearbyIndustryTileInformation(byte parameter, TileIndex tile, IndustryID index);

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#endif /* NEWGRF_INDUSTRIES_H */