industry.h

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00001 /* $Id$ */
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 "core/pool_type.hpp"
00016 #include "newgrf_storage.h"
00017 #include "subsidy_type.h"
00018 #include "industry_map.h"
00019 #include "tilearea_type.h"
00020 
00021 
00022 typedef Pool<Industry, IndustryID, 64, 64000> IndustryPool;
00023 extern IndustryPool _industry_pool;
00024 
00030 enum ProductionLevels {
00031   PRODLEVEL_CLOSURE = 0x00,  
00032   PRODLEVEL_MINIMUM = 0x04,  
00033   PRODLEVEL_DEFAULT = 0x10,  
00034   PRODLEVEL_MAXIMUM = 0x80,  
00035 };
00036 
00040 struct Industry : IndustryPool::PoolItem<&_industry_pool> {
00041   TileArea location;                  
00042   Town *town;                         
00043   CargoID produced_cargo[2];          
00044   uint16 produced_cargo_waiting[2];   
00045   uint16 incoming_cargo_waiting[3];   
00046   byte production_rate[2];            
00047   byte prod_level;                    
00048   CargoID accepts_cargo[3];           
00049   uint16 this_month_production[2];    
00050   uint16 this_month_transported[2];   
00051   byte last_month_pct_transported[2]; 
00052   uint16 last_month_production[2];    
00053   uint16 last_month_transported[2];   
00054   uint16 counter;                     
00055 
00056   IndustryType type;                  
00057   OwnerByte owner;                    
00058   byte random_colour;                 
00059   Year last_prod_year;                
00060   byte was_cargo_delivered;           
00061 
00062   PartOfSubsidyByte part_of_subsidy;  
00063 
00064   OwnerByte founder;                  
00065   Date construction_date;             
00066   uint8 construction_type;            
00067   Date last_cargo_accepted_at;        
00068   byte selected_layout;               
00069 
00070   byte random_triggers;               
00071   uint16 random;                      
00072 
00073   PersistentStorage *psa;             
00074 
00075   Industry(TileIndex tile = INVALID_TILE) : location(tile, 0, 0) {}
00076   ~Industry();
00077 
00078   void RecomputeProductionMultipliers();
00079 
00086   static FORCEINLINE Industry *GetByTile(TileIndex tile)
00087   {
00088     return Industry::Get(GetIndustryIndex(tile));
00089   }
00090 
00091   static Industry *GetRandom();
00092   static void PostDestructor(size_t index);
00093 
00099   static inline void IncIndustryTypeCount(IndustryType type)
00100   {
00101     assert(type < NUM_INDUSTRYTYPES);
00102     counts[type]++;
00103   }
00104 
00110   static inline void DecIndustryTypeCount(IndustryType type)
00111   {
00112     assert(type < NUM_INDUSTRYTYPES);
00113     counts[type]--;
00114   }
00115 
00121   static inline uint16 GetIndustryTypeCount(IndustryType type)
00122   {
00123     assert(type < NUM_INDUSTRYTYPES);
00124     return counts[type];
00125   }
00126 
00128   static inline void ResetIndustryCounts()
00129   {
00130     memset(&counts, 0, sizeof(counts));
00131   }
00132 
00133 protected:
00134   static uint16 counts[NUM_INDUSTRYTYPES]; 
00135 };
00136 
00137 void PlantRandomFarmField(const Industry *i);
00138 
00139 void ReleaseDisastersTargetingIndustry(IndustryID);
00140 
00141 bool IsTileForestIndustry(TileIndex tile);
00142 
00143 #define FOR_ALL_INDUSTRIES_FROM(var, start) FOR_ALL_ITEMS_FROM(Industry, industry_index, var, start)
00144 #define FOR_ALL_INDUSTRIES(var) FOR_ALL_INDUSTRIES_FROM(var, 0)
00145 
00147 struct IndustryTypeBuildData {
00148   uint32 probability;  
00149   byte   min_number;   
00150   uint16 target_count; 
00151   uint16 max_wait;     
00152   uint16 wait_count;   
00153 
00154   void Reset();
00155 
00156   bool GetIndustryTypeData(IndustryType it);
00157 };
00158 
00162 struct IndustryBuildData {
00163   IndustryTypeBuildData builddata[NUM_INDUSTRYTYPES]; 
00164   uint32 wanted_inds; 
00165 
00166   void Reset();
00167 
00168   void SetupTargetCount();
00169   void TryBuildNewIndustry();
00170 
00171   void MonthlyLoop();
00172 };
00173 
00174 extern IndustryBuildData _industry_builder;
00175 
00176 #endif /* INDUSTRY_H */