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