game-source/klik/override.qh

#ifndef OVERRIDE_qh
#define OVERRIDE_qh 1

@extern {
	/* Returns an overrider with matching class, creating one if needed */
	entity (entity e, string override_class, float priority) override_create;

	/* Finalizes the above, call this once you set what you want to override. */
	void (entity ovr) override_finalize;

	/* Use this in your overrider to get your entity. Call it _EXACTLY ONCE_ per overrider */
	entity () override_findself;

	/* This _MUST_ be called if you don't continue down the chain! */
	void () override_halt;

	/* Guess. */
	void (entity e, entity ovr) override_destroy;

	/* FIXME: Use 'any' type when compiler supports it */
	void (entity e, .void () fld, void () func) override_set_v_v;
	void (entity e, .float (entity ent) fld, float (entity ent) func) override_set_f_e;
	void (entity e, .float (float flt) fld, float (float flt) func) override_set_f_f;
	void (entity e, .float () fld, float () func) override_set_f_v;
	void (entity e, .float (vector vec) fld, float (vector vec) func) override_set_f_c;
	void (entity e, .float (entity ent) fld, float (entity ent) func) override_set_f_e;

	#define override_set_th_takeitem(e, func) override_set_f_v(e, th_takeitem, func)
	#define override_set_th_attack(e, func) override_set_f_e(e, th_attack, func)
	#define override_set_th_takedamage(e, func) override_set_f_f(e, th_takedamage, func)
	#define override_set_th_dealdamage(e, func) override_set_f_f(e, th_dealdamage, func)
	#define override_set_th_die(e, func) override_set_v_v(e, th_die, func)
	#define override_set_th_kill(e, func) override_set_v_v(e, th_kill, func)
	#define override_set_prethink(e, func) override_set_v_v(e, prethink, func)
	#define override_set_actthink(e, func) override_set_v_v(e, actthink, func)
	#define override_set_postthink(e, func) override_set_v_v(e, postthink, func)
	#define override_set_th_teleport(e, func) override_set_f_c(e, th_teleport, func)
	#define override_set_th_projectile(e, func) override_set_f_e(e, th_projectile, func)
};

#endif