item.h

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#ifndef ITEM_H
#define ITEM_H
 
#include "graphic_utils.h"
#include "mgba_logger.h"
#include "random.h"
#include "sprite.h"
#include "util.h"
 
#include <stdint.h>
 
enum ItemType
{
    ITEM_TYPE_JOKER,
    ITEM_TYPE_PLAYING_CARD,
 
    // Future planned item types
    // ITEM_TYPE_CONSUMABLE, // Expand to PLANET, TAROT, and SPECTRAL?
    // ITEM_TYPE_VOUCHER,
    // ITEM_TYPE_PACK
 
    ITEM_NUM_TYPES
};
 
#define ITEM_NAME_UNDEFINED "UNDEFINED"
 
// clang-format off
#define ITEM_SUBTYPE_INFO_DEFAULT {.main_color = 0, .shadow_color = 0, .name_str = ITEM_NAME_UNDEFINED}
// clang-format on
 
typedef struct ItemDescSubtypeInfo
{
    u16 main_color;
    u16 shadow_color;
    const char* name_str;
} ItemDescSubtypeInfo;
 
typedef struct Item
{
    SpriteObject;
 
    enum ItemType type;
 
    bool is_owned;
} Item;
 
typedef struct ItemFuncs
{
    Item* (*roll_new)(enum RngSequence key);
    int (*get_buy_price)(Item* item);
    const char* (*get_name)(Item* item);
    ItemDescSubtypeInfo (*get_subtype_info)(Item* item);
    bool (*can_acquire)(Item* item);
    void (*acquire)(Item* item);
    void (*dispose)(Item** item);
    int (*print_description)(Item* item, Rect dest_rect);
 
    // Optional implementation functions - not required to appear in the shop
    int (*get_sell_price)(Item* item);
} ItemFuncs;
 
Item* item_roll_new(enum ItemType item_type, enum RngSequence key);
 
int item_get_buy_price(Item* item);
 
int item_get_sell_price(Item* item);
 
const char* item_get_name(Item* item);
 
ItemDescSubtypeInfo item_get_subtype_info(Item* item);
 
void item_acquire(Item* item);
 
bool item_can_acquire(Item* item);
 
void item_dispose(Item** item);
 
int item_print_description(Item* item, Rect dest_rect);
 
bool item_is_owned(Item* item);
 
void item_sell(Item* item);
 
void item_print_buy_price_under(Item* item);
 
#endif // ITEM_H