industry.h

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00001 /* $Id: industry.h 23735 2012-01-03 20:26:05Z rubidium $ */
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 INDUSTRY_H
00013 #define INDUSTRY_H
00014 
00015 #include "newgrf_storage.h"
00016 #include "subsidy_type.h"
00017 #include "industry_map.h"
00018 #include "tilearea_type.h"
00019 
00020 
00021 typedef Pool<Industry, IndustryID, 64, 64000> IndustryPool;
00022 extern IndustryPool _industry_pool;
00023 
00029 enum ProductionLevels {
00030   PRODLEVEL_CLOSURE = 0x00,  
00031   PRODLEVEL_MINIMUM = 0x04,  
00032   PRODLEVEL_DEFAULT = 0x10,  
00033   PRODLEVEL_MAXIMUM = 0x80,  
00034 };
00035 
00039 struct Industry : IndustryPool::PoolItem<&_industry_pool> {
00040   TileArea location;                  
00041   Town *town;                         
00042   CargoID produced_cargo[2];          
00043   uint16 produced_cargo_waiting[2];   
00044   uint16 incoming_cargo_waiting[3];   
00045   byte production_rate[2];            
00046   byte prod_level;                    
00047   CargoID accepts_cargo[3];           
00048   uint16 this_month_production[2];    
00049   uint16 this_month_transported[2];   
00050   byte last_month_pct_transported[2]; 
00051   uint16 last_month_production[2];    
00052   uint16 last_month_transported[2];   
00053   uint16 counter;                     
00054 
00055   IndustryType type;                  
00056   OwnerByte owner;                    
00057   byte random_colour;                 
00058   Year last_prod_year;                
00059   byte was_cargo_delivered;           
00060 
00061   PartOfSubsidyByte part_of_subsidy;  
00062 
00063   OwnerByte founder;                  
00064   Date construction_date;             
00065   uint8 construction_type;            
00066   Date last_cargo_accepted_at;        
00067   byte selected_layout;               
00068 
00069   byte random_triggers;               
00070   uint16 random;                      
00071 
00072   PersistentStorage *psa;             
00073 
00074   Industry(TileIndex tile = INVALID_TILE) : location(tile, 0, 0) {}
00075   ~Industry();
00076 
00077   void RecomputeProductionMultipliers();
00078 
00084   inline bool TileBelongsToIndustry(TileIndex tile) const
00085   {
00086     return IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == this->index;
00087   }
00088 
00095   static inline Industry *GetByTile(TileIndex tile)
00096   {
00097     return Industry::Get(GetIndustryIndex(tile));
00098   }
00099 
00100   static Industry *GetRandom();
00101   static void PostDestructor(size_t index);
00102 
00108   static inline void IncIndustryTypeCount(IndustryType type)
00109   {
00110     assert(type < NUM_INDUSTRYTYPES);
00111     counts[type]++;
00112   }
00113 
00119   static inline void DecIndustryTypeCount(IndustryType type)
00120   {
00121     assert(type < NUM_INDUSTRYTYPES);
00122     counts[type]--;
00123   }
00124 
00130   static inline uint16 GetIndustryTypeCount(IndustryType type)
00131   {
00132     assert(type < NUM_INDUSTRYTYPES);
00133     return counts[type];
00134   }
00135 
00137   static inline void ResetIndustryCounts()
00138   {
00139     memset(&counts, 0, sizeof(counts));
00140   }
00141 
00142 protected:
00143   static uint16 counts[NUM_INDUSTRYTYPES]; 
00144 };
00145 
00146 void PlantRandomFarmField(const Industry *i);
00147 
00148 void ReleaseDisastersTargetingIndustry(IndustryID);
00149 
00150 bool IsTileForestIndustry(TileIndex tile);
00151 
00152 #define FOR_ALL_INDUSTRIES_FROM(var, start) FOR_ALL_ITEMS_FROM(Industry, industry_index, var, start)
00153 #define FOR_ALL_INDUSTRIES(var) FOR_ALL_INDUSTRIES_FROM(var, 0)
00154 
00156 struct IndustryTypeBuildData {
00157   uint32 probability;  
00158   byte   min_number;   
00159   uint16 target_count; 
00160   uint16 max_wait;     
00161   uint16 wait_count;   
00162 
00163   void Reset();
00164 
00165   bool GetIndustryTypeData(IndustryType it);
00166 };
00167 
00171 struct IndustryBuildData {
00172   IndustryTypeBuildData builddata[NUM_INDUSTRYTYPES]; 
00173   uint32 wanted_inds; 
00174 
00175   void Reset();
00176 
00177   void SetupTargetCount();
00178   void TryBuildNewIndustry();
00179 
00180   void MonthlyLoop();
00181 };
00182 
00183 extern IndustryBuildData _industry_builder;
00184 
00185 #endif /* INDUSTRY_H */