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/* $Id$ */
/** @file cargotype.h Types/functions related to cargos. */
#ifndef CARGOTYPE_H
#define CARGOTYPE_H
#include "cargo_type.h"
#include "gfx_type.h"
#include "strings_type.h"
#include "landscape_type.h"
typedef uint32 CargoLabel;
enum TownEffect {
TE_NONE,
TE_PASSENGERS,
TE_MAIL,
TE_GOODS,
TE_WATER,
TE_FOOD,
};
static const byte INVALID_CARGO = 0xFF;
struct CargoSpec {
uint8 bitnum;
CargoLabel label;
uint8 legend_colour;
uint8 rating_colour;
uint8 weight;
uint16 initial_payment;
uint8 transit_days[2];
bool is_freight;
TownEffect town_effect; ///< The effect this cargo type has on towns
uint16 multipliertowngrowth;
uint8 callback_mask;
StringID name;
StringID name_single;
StringID units_volume;
StringID quantifier;
StringID abbrev;
SpriteID sprite;
uint16 classes;
const struct GRFFile *grffile; ///< NewGRF where 'group' belongs to
const struct SpriteGroup *group;
bool IsValid() const
{
return this->bitnum != INVALID_CARGO;
}
};
extern uint32 _cargo_mask;
extern CargoSpec _cargo[NUM_CARGO];
/* Set up the default cargo types for the given landscape type */
void SetupCargoForClimate(LandscapeID l);
/* Get the cargo icon for a given cargo ID */
SpriteID GetCargoSprite(CargoID i);
/* Get the cargo ID with the cargo label */
CargoID GetCargoIDByLabel(CargoLabel cl);
CargoID GetCargoIDByBitnum(uint8 bitnum);
/* Retrieve cargo details for the given cargo ID */
static inline const CargoSpec *GetCargo(CargoID c)
{
assert(c < lengthof(_cargo));
return &_cargo[c];
}
static inline bool IsCargoInClass(CargoID c, uint16 cc)
{
return (GetCargo(c)->classes & cc) != 0;
}
#endif /* CARGOTYPE_H */
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