struct progress {
	uint8_t player_lives;
	uint8_t level_index;
	uint8_t diamonds_collected;
};

struct level {
	uint16_t size;
	uint8_t sizeX, sizeY;
	uint8_t viewX, viewY;
	uint8_t diamonds_required;
	char name[10];
	uint8_t entities_count;
};

struct entity {
	uint8_t posX, posY;
	uint8_t direction;
};

#define LEVEL_SIZE_MAX 768
#define LEVEL_ENTITIES_MAX 30

extern struct level level;
extern struct progress progress;

extern struct entity entities[LEVEL_ENTITIES_MAX];
extern uint8_t level_data[LEVEL_SIZE_MAX];

enum level_cell_properties {
	PROPERTY_FALLING  = 0x80,
	PROPERTY_CRUSHED  = 0x20,
};
enum level_cell_hides {
	HIDDEN_MAGIC_WALL = 0x10,
	HIDDEN_EXIT       = 0x40,
};

enum level_play_result {
	QUIT,
	DIED,
	DONE,
	PLAYING
};


void level_info(void);
enum level_play_result level_play(void);