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https://github.com/JGRennison/OpenTTD-patches.git
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90 lines
4.0 KiB
C
90 lines
4.0 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_industries.h Functions for NewGRF industries. */
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#ifndef NEWGRF_INDUSTRIES_H
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#define NEWGRF_INDUSTRIES_H
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#include "newgrf_town.h"
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/** Resolver for industry scopes. */
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struct IndustriesScopeResolver : public ScopeResolver {
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TileIndex tile; ///< Tile owned by the industry.
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Industry *industry; ///< %Industry being resolved.
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IndustryType type; ///< Type of the industry.
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uint32 random_bits; ///< Random bits of the new industry.
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IndustriesScopeResolver(ResolverObject *ro, TileIndex tile, Industry *industry, IndustryType type, uint32 random_bits = 0);
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/* virtual */ uint32 GetRandomBits() const;
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/* virtual */ uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
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/* virtual */ uint32 GetTriggers() const;
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/* virtual */ void SetTriggers(int triggers) const;
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/* virtual */ void StorePSA(uint pos, int32 value);
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};
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/** Resolver for industries. */
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struct IndustriesResolverObject : public ResolverObject {
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IndustriesScopeResolver industries_scope; ///< Scope resolver for the industry.
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TownScopeResolver *town_scope; ///< Scope resolver for the associated town (if needed and available, else \c NULL).
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IndustriesResolverObject(TileIndex tile, Industry *indus, IndustryType type, uint32 random_bits = 0,
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CallbackID callback = CBID_NO_CALLBACK, uint32 callback_param1 = 0, uint32 callback_param2 = 0);
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~IndustriesResolverObject();
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TownScopeResolver *GetTown();
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/* virtual */ ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0)
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{
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switch (scope) {
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case VSG_SCOPE_SELF: return &industries_scope;
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case VSG_SCOPE_PARENT: {
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TownScopeResolver *tsr = this->GetTown();
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if (tsr != NULL) return tsr;
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/* FALL-THROUGH */
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}
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default: return ResolverObject::GetScope(scope, relative);
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}
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}
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};
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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 has callback #CBID_INDUSTRY_PROBABILITY 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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IACT_PROSPECTCREATION, ///< from the Fund/build using prospecting
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};
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/* in newgrf_industry.cpp */
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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, uint32 cur_grfid);
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void IndustryProductionCallback(Industry *ind, int reason);
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CommandCost CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, uint layout, uint32 seed, uint16 initial_random_bits, Owner founder, IndustryAvailabilityCallType creation_type);
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uint32 GetIndustryProbabilityCallback(IndustryType type, IndustryAvailabilityCallType creation_type, uint32 default_prob);
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bool IndustryTemporarilyRefusesCargo(Industry *ind, CargoID cargo_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, bool signed_offsets, bool grf_version8);
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#endif /* NEWGRF_INDUSTRIES_H */
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