117 lines
3.6 KiB
C
117 lines
3.6 KiB
C
/*
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r_part.c
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Interface for particles
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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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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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static __attribute__ ((unused)) const char rcsid[] =
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"$Id$";
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#include "QF/console.h"
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#include "QF/cvar.h"
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#include "QF/qargs.h"
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#include "QF/render.h"
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#include "compat.h"
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#include "r_dynamic.h"
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#include "r_local.h"
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unsigned int r_maxparticles, numparticles;
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particle_t *active_particles, *free_particles, *particles, **freeparticles;
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vec3_t r_pright, r_pup, r_ppn;
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void (*R_RocketTrail) (const struct entity_s *ent);
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void (*R_GrenadeTrail) (const struct entity_s *ent);
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void (*R_BloodTrail) (const struct entity_s *ent);
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void (*R_SlightBloodTrail) (const struct entity_s *ent);
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void (*R_WizTrail) (const struct entity_s *ent);
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void (*R_FlameTrail) (const struct entity_s *ent);
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void (*R_VoorTrail) (const struct entity_s *ent);
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void (*R_GlowTrail) (const struct entity_s *ent, int glow_color);
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void (*R_RunParticleEffect) (const vec3_t org, const vec3_t dir, int color, int count);
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void (*R_BloodPuffEffect) (const vec3_t org, int count);
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void (*R_GunshotEffect) (const vec3_t org, int count);
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void (*R_LightningBloodEffect) (const vec3_t org);
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void (*R_SpikeEffect) (const vec3_t org);
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void (*R_KnightSpikeEffect) (const vec3_t org);
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void (*R_SuperSpikeEffect) (const vec3_t org);
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void (*R_WizSpikeEffect) (const vec3_t org);
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void (*R_BlobExplosion) (const vec3_t org);
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void (*R_ParticleExplosion) (const vec3_t org);
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void (*R_ParticleExplosion2) (const vec3_t org, int colorStart, int colorLength);
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void (*R_LavaSplash) (const vec3_t org);
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void (*R_TeleportSplash) (const vec3_t org);
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void (*R_DarkFieldParticles) (const struct entity_s *ent);
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void (*R_EntityParticles) (const struct entity_s *ent);
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/*
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R_MaxParticlesCheck
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Misty-chan: Dynamically change the maximum amount of particles on the fly.
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Thanks to a LOT of help from Taniwha, Deek, Mercury, Lordhavoc, and lots of
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others.
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*/
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void
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R_MaxParticlesCheck (cvar_t *r_particles, cvar_t *r_particles_max)
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{
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/*
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Catchall. If the user changed the setting to a number less than zero *or*
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if we had a wacky cfg get past the init code check, this will make sure we
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don't have problems. Also note that grabbing the var->int_val is IMPORTANT:
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Prevents a segfault since if we grabbed the int_val of r_particles_max
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we'd sig11 right here at startup.
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*/
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if (r_particles && r_particles->int_val)
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r_maxparticles = r_particles_max ? r_particles_max->int_val : 0;
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else
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r_maxparticles = 0;
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/*
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Be very careful the next time we do something like this. calloc/free are
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IMPORTANT and the compiler doesn't know when we do bad things with them.
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*/
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if (particles)
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free (particles);
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if (freeparticles)
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free (freeparticles);
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particles = 0;
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freeparticles = 0;
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if (r_maxparticles) {
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particles = (particle_t *) calloc (r_maxparticles, sizeof (particle_t));
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freeparticles = (particle_t **) calloc (r_maxparticles,
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sizeof (particle_t *));
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}
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R_ClearParticles ();
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if (r_init)
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R_InitParticles ();
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}
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