OpenTTD: src/newgrf_industries.h Source File

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newgrf_industries.h
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1 /* $Id: newgrf_industries.h 27928 2017-10-25 15:38:14Z frosch $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
8 */
9
12 #ifndef NEWGRF_INDUSTRIES_H
13 #define NEWGRF_INDUSTRIES_H
14
15 #include "newgrf_town.h"
16
18 struct IndustriesScopeResolver : public ScopeResolver {
19 TileIndex tile;
20 Industry *industry;
21 IndustryType type;
22 uint32 random_bits;
23
24 IndustriesScopeResolver(ResolverObject &ro, TileIndex tile, Industry *industry, IndustryType type, uint32 random_bits = 0);
25
26 /* virtual */ uint32 GetRandomBits() const;
27 /* virtual */ uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
28 /* virtual */ uint32 GetTriggers() const;
29 /* virtual */ void StorePSA(uint pos, int32 value);
30 };
31
33 struct IndustriesResolverObject : public ResolverObject {
34 IndustriesScopeResolver industries_scope;
35 TownScopeResolver *town_scope;
36
37 IndustriesResolverObject(TileIndex tile, Industry *indus, IndustryType type, uint32 random_bits = 0,
38 CallbackID callback = CBID_NO_CALLBACK, uint32 callback_param1 = 0, uint32 callback_param2 = 0);
39 ~IndustriesResolverObject();
40
41 TownScopeResolver *GetTown();
42
43 /* virtual */ ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0)
44 {
45 switch (scope) {
46 case VSG_SCOPE_SELF: return &industries_scope;
47 case VSG_SCOPE_PARENT: {
48 TownScopeResolver *tsr = this->GetTown();
49 if (tsr != NULL) return tsr;
50 }
51 FALLTHROUGH;
52
53 default:
54 return ResolverObject::GetScope(scope, relative);
55 }
56 }
57 };
58
60 enum IndustryTrigger {
62 INDUSTRY_TRIGGER_TILELOOP_PROCESS = 1,
64 INDUSTRY_TRIGGER_256_TICKS = 2,
66 INDUSTRY_TRIGGER_CARGO_DELIVERY = 4,
67 };
68
70 enum IndustryAvailabilityCallType {
71 IACT_MAPGENERATION,
72 IACT_RANDOMCREATION,
73 IACT_USERCREATION,
74 IACT_PROSPECTCREATION,
75 };
76
77 /* in newgrf_industry.cpp */
78 uint16 GetIndustryCallback(CallbackID callback, uint32 param1, uint32 param2, Industry *industry, IndustryType type, TileIndex tile);
79 uint32 GetIndustryIDAtOffset(TileIndex new_tile, const Industry *i, uint32 cur_grfid);
80 void IndustryProductionCallback(Industry *ind, int reason);
81 CommandCost CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, uint layout, uint32 seed, uint16 initial_random_bits, Owner founder, IndustryAvailabilityCallType creation_type);
82 uint32 GetIndustryProbabilityCallback(IndustryType type, IndustryAvailabilityCallType creation_type, uint32 default_prob);
83 bool IndustryTemporarilyRefusesCargo(Industry *ind, CargoID cargo_type);
84
85 IndustryType MapNewGRFIndustryType(IndustryType grf_type, uint32 grf_id);
86
87 /* in newgrf_industrytiles.cpp*/
88 uint32 GetNearbyIndustryTileInformation(byte parameter, TileIndex tile, IndustryID index, bool signed_offsets, bool grf_version8);
89
90 #endif /* NEWGRF_INDUSTRIES_H */