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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);
// Returns the closest entity that the ray hits or ENTITY_NONE;
// From can be used to stop it from hitting the entity the ray is coming from...
EntityId traceRayToEntityInWorld(World * world, Ray ray, EntityFingerprint from, bool useFrom);
// Used for creating worlds.
typedef struct WorldEntry {
EntityType type;
Vector3 position;
Quaternion rotation;
} WorldEntry;
KfError addEntryToWorld(World * world, Game * game, WorldEntry entry);
KfError addEntriesToWorld(World * world, Game * game, WorldEntry * entries, size_t entriesCount);
#endif
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