particledef.h

/***
*
*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
*	
*	This product contains software technology licensed from Id 
*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
*	All Rights Reserved.
*
*   Use, distribution, and modification of this source code and/or resulting
*   object code is restricted to non-commercial enhancements to products from
*   Valve LLC.  All other use, distribution, or modification is prohibited
*   without written permission from Valve LLC.
*
****/

#pragma once

typedef enum
{
	pt_static,
	pt_grav,
	pt_slowgrav,
	pt_fire,
	pt_explode,
	pt_explode2,
	pt_blob,
	pt_blob2,
	pt_vox_slowgrav,
	pt_vox_grav,
	pt_clientcustom // Must have callback function specified
} ptype_t;

// !!! if this is changed, it must be changed in d_ifacea.h too !!!
typedef struct particle_s
{
	// driver-usable fields
	Vector org;
	short color;
	short packedColor;
	// drivers never touch the following fields
	struct particle_s* next;
	Vector vel;
	float ramp;
	float die;
	ptype_t type;
	void (*deathfunc)(struct particle_s* particle);

	// for pt_clientcusttom, we'll call this function each frame
	void (*callback)(struct particle_s* particle, float frametime);

	// For deathfunc, etc.
	unsigned char context;
} particle_t;