quakeforge/nq/source/sw_part.c

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/*
r_part.c
@description@
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "r_shared.h"
#include "r_local.h"
#include "client.h"
#include "server.h"
/*
===============
R_DrawParticles
===============
*/
void
R_DrawParticles (void)
{
particle_t *p, *kill;
float grav;
int i;
float time2, time3;
float time1;
float dvel;
float frametime;
D_StartParticles ();
VectorScale (vright, xscaleshrink, r_pright);
VectorScale (vup, yscaleshrink, r_pup);
VectorCopy (vpn, r_ppn);
frametime = cl.time - cl.oldtime;
time3 = frametime * 15;
time2 = frametime * 10; // 15;
time1 = frametime * 5;
grav = frametime * sv_gravity->value * 0.05;
dvel = 4 * frametime;
for (;;) {
kill = active_particles;
if (kill && kill->die < cl.time) {
active_particles = kill->next;
kill->next = free_particles;
free_particles = kill;
continue;
}
break;
}
for (p = active_particles; p; p = p->next) {
for (;;) {
kill = p->next;
if (kill && kill->die < cl.time) {
p->next = kill->next;
kill->next = free_particles;
free_particles = kill;
continue;
}
break;
}
D_DrawParticle (p);
p->org[0] += p->vel[0] * frametime;
p->org[1] += p->vel[1] * frametime;
p->org[2] += p->vel[2] * frametime;
switch (p->type) {
case pt_static:
break;
case pt_fire:
p->ramp += time1;
if (p->ramp >= 6)
p->die = -1;
else
p->color = ramp3[(int) p->ramp];
p->vel[2] += grav;
break;
case pt_explode:
p->ramp += time2;
if (p->ramp >= 8)
p->die = -1;
else
p->color = ramp1[(int) p->ramp];
for (i = 0; i < 3; i++)
p->vel[i] += p->vel[i] * dvel;
p->vel[2] -= grav;
break;
case pt_explode2:
p->ramp += time3;
if (p->ramp >= 8)
p->die = -1;
else
p->color = ramp2[(int) p->ramp];
for (i = 0; i < 3; i++)
p->vel[i] -= p->vel[i] * frametime;
p->vel[2] -= grav;
break;
case pt_blob:
for (i = 0; i < 3; i++)
p->vel[i] += p->vel[i] * dvel;
p->vel[2] -= grav;
break;
case pt_blob2:
for (i = 0; i < 2; i++)
p->vel[i] -= p->vel[i] * dvel;
p->vel[2] -= grav;
break;
case pt_grav:
#ifdef QUAKE2
p->vel[2] -= grav * 20;
break;
#endif
case pt_slowgrav:
p->vel[2] -= grav;
break;
}
}
D_EndParticles ();
}
void
R_AddFire (vec3_t start, vec3_t end, entity_t *ent)
{
}