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#include "gameCommon.h"
#include "entity.h"

#ifndef WORLD_H
#define WORLD_H

#define FINGERPRINT_START_RANGE_MIN 0xf
#define FINGERPRINT_START_RANGE_MAX 0xff

typedef struct World {
	Entity * entities;
	size_t entitiesCount;

	// For getting entity id;
	EntityId * lookUp;
	size_t lookUpSize;

	EntityId * vacantIds;
	size_t vacantIdsCount;

	// Used for making fingerprints for entities.
	EntityFingerprint currentFingerprint;
} World;

void initWorld(World * world);
void freeWorld(World * world);

#define ENTITY_ID_NONE -1

// ENTITY_ID_NONE on error.
Entity * getEntityFromWorld(World world, EntityId id);
EntityId addEntityToWorld(World * world, Entity entity);
KfError removeEntityFromWorld(World * world, EntityId id);

void updateWorld(World * world, Game * game);
void drawWorld(World * world, Game * game);

#endif