commodity.h

/*
 * See Licensing and Copyright notice in naev.h
 */
#pragma once
 
#include <stdint.h>
#include "opengl.h"
 
#define ECON_CRED_STRLEN      32 
#define ECON_MASS_STRLEN      32 
typedef int64_t credits_t;
#define CREDITS_MAX        (((credits_t)1) << 53) 
#define CREDITS_MIN        (-CREDITS_MAX)         
#define CREDITS_PRI        PRIu64
 
#define COMMODITY_FLAG_STANDARD        (1<<0)   
#define COMMODITY_FLAG_ALWAYS_CAN_SELL (1<<1)   
#define COMMODITY_FLAG_PRICE_CONSTANT  (1<<2)   
#define commodity_isFlag(c,f)    ((c)->flags & (f)) 
#define commodity_setFlag(c,f)   ((c)->flags |= (f)) 
#define commodity_rmFlag(c,f)    ((c)->flags &= ~(f)) 
typedef struct CommodityModifier_ {
   char *name;
   float value;
   struct CommodityModifier_ *next;
} CommodityModifier;
 
typedef struct Commodity_ {
   char *name; 
   char *description; 
   unsigned int flags; 
   /* Prices. */
   char *price_ref;     
   double price_mod;    
   double raw_price;    
   double price;        
   glTexture* gfx_store;
   glTexture* gfx_space;
   /* Misc stuff. */
   credits_t lastPurchasePrice; 
   int istemp; 
   int *illegalto; 
   /* Dynamic economy stuff. */
   CommodityModifier *spob_modifier; 
   double period; 
   double population_modifier; 
   CommodityModifier *faction_modifier; 
} Commodity;
 
typedef struct CommodityPrice_ {
   double price;   
   double spobPeriod; 
   double sysPeriod; 
   double spobVariation; 
   double sysVariation; 
   int64_t updateTime; 
   char *name;     
   double sum;     
   double sum2;    
   int cnt;        
} CommodityPrice;
 
/*
 * Commodity stuff.
 */
Commodity* commodity_getAll (void);
Commodity* commodity_get( const char* name );
Commodity* commodity_getW( const char* name );
int commodity_getN( void );
 
Commodity* commodity_getByIndex( const int indx );
int commodity_load (void);
void commodity_free (void);
 
int commodity_checkIllegal( const Commodity *com, int faction );
 
/*
 * Temporary commodities.
 */
int commodity_isTemp( const char* name );
Commodity* commodity_newTemp( const char* name, const char* desc );
int commodity_tempIllegalto( Commodity *com, int faction );
 
/*
 * Misc stuff.
 */
void credits2str( char *str, credits_t credits, int decimals );
void price2str( char *str, credits_t price, credits_t credits, int decimals );
void tonnes2str( char *str, int tonnes );
int commodity_compareTech( const void *commodity1, const void *commodity2 );
Commodity ** standard_commodities (void);