dat.h


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#define BULLET_SIZE  2
#define ENTITY_SIZE 16

typedef struct {
	float pos[2];
	float size[2];
	float vel[2];
} Body;

typedef struct {
	enum {
		EPLAYER,
		EGHOST,
		EBULLET,
		LASTEntity,
	} type;

	bool active;
	Body body;
	float time;
} Entity;

typedef struct {
	Entity *self;
	Entity *target;
} EntityCollision;

typedef void (EntityCollisionProc)(Entity *self, Entity *other);
typedef void (EntityUpdateProc)(Entity *self, float delta);

void entphysics(float delta);
void entupdate(float delta);
void entinit(void);

void             enqcoll(EntityCollision *c);
EntityCollision *deqcoll(void);

Entity *allocentity(void);
void    freeentity(Entity *);

extern Entity entitybuffer[2048];
extern int    ebufi;

extern char map_data[];
extern int  map_width, map_height;

extern Entity *player;

extern bool shot;
extern int shotx, shoty;

extern bool moveleft, moveright, moveup, movedown;