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https://git.code.sf.net/p/quake/quakeforge
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1626 lines
39 KiB
C
1626 lines
39 KiB
C
/*
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gl_dyn_part.c
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OpenGL particle system.
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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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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdlib.h>
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#include "QF/cmd.h"
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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/quakefs.h"
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#include "QF/render.h"
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#include "QF/sys.h"
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#include "QF/GL/defines.h"
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#include "QF/GL/funcs.h"
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#include "QF/GL/qf_explosions.h"
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#include "QF/GL/qf_textures.h"
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#include "QF/GL/qf_vid.h"
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#include "compat.h"
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#include "r_cvar.h"
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#include "r_dynamic.h"
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#include "r_local.h"
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#include "r_shared.h"
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#include "varrays.h"
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int ramp1[8] = { 0x6f, 0x6d, 0x6b, 0x69, 0x67, 0x65, 0x63, 0x61 };
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int ramp2[8] = { 0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x68, 0x66 };
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int ramp3[8] = { 0x6d, 0x6b, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01 };
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int part_tex_dot = 0;
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int part_tex_spark = 1;
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int part_tex_smoke = 2;
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int pVAsize;
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int *pVAindices;
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varray_t2f_c4ub_v3f_t *particleVertexArray;
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inline static void
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particle_new (ptype_t type, int texnum, const vec3_t org, float scale,
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const vec3_t vel, float die, int color, float alpha, float ramp)
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{
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particle_t *part;
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/*
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// Uncomment this for particle debugging!
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if (numparticles >= r_maxparticles) {
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Sys_Error ("FAILED PARTICLE ALLOC!");
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return NULL;
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}
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*/
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part = &particles[numparticles++];
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VectorCopy (org, part->org);
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part->color = color;
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part->tex = texnum;
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part->scale = scale;
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part->alpha = alpha;
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VectorCopy (vel, part->vel);
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part->type = type;
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part->die = die;
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part->ramp = ramp;
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}
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inline static void
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particle_new_random (ptype_t type, int texnum, const vec3_t org, int org_fuzz,
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float scale, int vel_fuzz, float die, int color,
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float alpha, float ramp)
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{
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int j;
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vec3_t porg, pvel;
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for (j = 0; j < 3; j++) {
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if (org_fuzz)
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porg[j] = qfrandom (org_fuzz * 2) - org_fuzz + org[j];
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if (vel_fuzz)
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pvel[j] = qfrandom (vel_fuzz * 2) - vel_fuzz;
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}
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particle_new (type, texnum, porg, scale, pvel, die, color, alpha, ramp);
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}
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inline void
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R_ClearParticles (void)
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{
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numparticles = 0;
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}
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void
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R_InitParticles (void)
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{
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int i;
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if (r_maxparticles && r_init) {
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if (vaelements > 3)
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pVAsize = min ((unsigned int) (vaelements - (vaelements % 4)),
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r_maxparticles * 4);
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else if (vaelements >= 0)
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pVAsize = r_maxparticles * 4;
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else
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pVAsize = 0;
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if (pVAsize) {
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Con_Printf ("Particles: %i maximum vertex elements.\n", pVAsize);
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if (particleVertexArray)
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free (particleVertexArray);
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particleVertexArray = (varray_t2f_c4ub_v3f_t *)
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calloc (pVAsize, sizeof (varray_t2f_c4ub_v3f_t));
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qfglInterleavedArrays (GL_T2F_C4UB_V3F, 0, particleVertexArray);
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if (pVAindices)
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free (pVAindices);
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pVAindices = (int *) calloc (pVAsize, sizeof (int));
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for (i = 0; i < pVAsize; i++)
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pVAindices[i] = i;
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} else {
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Con_Printf ("Particles: Vertex Array use disabled.\n");
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}
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} else {
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if (particleVertexArray) {
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free (particleVertexArray);
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particleVertexArray = 0;
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}
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if (pVAindices) {
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free (pVAindices);
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pVAindices = 0;
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}
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}
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}
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void
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R_ReadPointFile_f (void)
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{
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char name[MAX_OSPATH], *mapname, *t1;
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int c, r;
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vec3_t org;
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QFile *f;
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mapname = strdup (r_worldentity.model->name);
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if (!mapname)
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Sys_Error ("Can't duplicate mapname!");
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t1 = strrchr (mapname, '.');
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if (!t1)
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Sys_Error ("Can't find .!");
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t1[0] = '\0';
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snprintf (name, sizeof (name), "%s.pts", mapname);
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free (mapname);
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QFS_FOpenFile (name, &f);
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if (!f) {
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Con_Printf ("couldn't open %s\n", name);
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return;
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}
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Con_Printf ("Reading %s...\n", name);
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c = 0;
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for (;;) {
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char buf[64];
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Qgets (f, buf, sizeof (buf));
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r = sscanf (buf, "%f %f %f\n", &org[0], &org[1], &org[2]);
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if (r != 3)
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break;
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c++;
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if (numparticles >= r_maxparticles) {
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Con_Printf ("Not enough free particles\n");
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break;
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} else {
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particle_new (pt_static, part_tex_dot, org, 1.5, vec3_origin,
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99999, (-c) & 15, 1.0, 0.0);
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}
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}
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Qclose (f);
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Con_Printf ("%i points read\n", c);
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}
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static void
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R_ParticleExplosion_QF (const vec3_t org)
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{
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// R_NewExplosion (org);
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if (numparticles >= r_maxparticles)
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return;
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particle_new_random (pt_smokecloud, part_tex_smoke, org, 4, 30, 8,
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r_realtime + 5.0, (rand () & 7) + 8,
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0.5 + qfrandom (0.25), 0.0);
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}
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static void
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R_ParticleExplosion2_QF (const vec3_t org, int colorStart, int colorLength)
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{
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unsigned int i;
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unsigned int colorMod = 0, j = 512;
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if (numparticles >= r_maxparticles)
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return;
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else if (numparticles + j >= r_maxparticles)
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j = r_maxparticles - numparticles;
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for (i = 0; i < j; i++) {
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particle_new_random (pt_blob, part_tex_dot, org, 16, 2, 256,
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r_realtime + 0.3,
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colorStart + (colorMod % colorLength), 1.0, 0.0);
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colorMod++;
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}
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}
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static void
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R_BlobExplosion_QF (const vec3_t org)
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{
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unsigned int i;
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unsigned int j = 1024;
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if (numparticles >= r_maxparticles)
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return;
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else if (numparticles + j >= r_maxparticles)
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j = r_maxparticles - numparticles;
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for (i = 0; i < j >> 1; i++) {
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particle_new_random (pt_blob, part_tex_dot, org, 12, 2, 256,
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r_realtime + 1.0 + (rand () & 7) * 0.05,
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66 + rand () % 6, 1.0, 0.0);
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}
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for (i = 0; i < j / 2; i++) {
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particle_new_random (pt_blob2, part_tex_dot, org, 12, 2, 256,
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r_realtime + 1.0 + (rand () & 7) * 0.05,
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150 + rand () % 6, 1.0, 0.0);
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}
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}
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static inline void
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R_RunSparkEffect_QF (const vec3_t org, int count, int ofuzz)
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{
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if (numparticles >= r_maxparticles)
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return;
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particle_new (pt_smokecloud, part_tex_smoke, org,
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ofuzz * 0.08, vec3_origin, r_realtime + 9,
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12 + (rand () & 3), 0.25 + qfrandom (0.125), 0.0);
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if (numparticles + count >= r_maxparticles)
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count = r_maxparticles - numparticles;
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while (count--) {
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int color = rand () & 7;
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particle_new_random (pt_fallfadespark, part_tex_dot, org,
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ofuzz * 0.75, 0.7, 96, r_realtime + 5.0,
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ramp1[color], 1.0, color);
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}
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}
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static inline void
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R_BloodPuff_QF (const vec3_t org, int count)
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{
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if (numparticles >= r_maxparticles)
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return;
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particle_new (pt_bloodcloud, part_tex_smoke, org, count / 5, vec3_origin,
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r_realtime + 99.0, 70 + (rand () & 3), 0.5, 0.0);
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}
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static void
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R_BloodPuffEffect_QF (const vec3_t org, int count)
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{
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R_BloodPuff_QF (org, count);
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}
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static void
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R_GunshotEffect_QF (const vec3_t org, int count)
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{
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int scale = 16;
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if (count > 120)
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scale = 24;
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R_RunSparkEffect_QF (org, count >> 1, scale);
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}
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static void
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R_LightningBloodEffect_QF (const vec3_t org)
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{
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int count = 7;
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R_BloodPuff_QF (org, 50);
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if (numparticles >= r_maxparticles)
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return;
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particle_new (pt_smokecloud, part_tex_smoke, org, 3.0, vec3_origin,
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r_realtime + 9.0, 12 + (rand () & 3),
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0.25 + qfrandom (0.125), 0.0);
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if (numparticles + count >= r_maxparticles)
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count = r_maxparticles - numparticles;
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while (count--)
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particle_new_random (pt_fallfade, part_tex_spark, org, 12, 2.0,
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128, r_realtime + 5.0, 244 + (rand () % 3), 1.0,
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0.0);
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}
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static void
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R_RunParticleEffect_QF (const vec3_t org, const vec3_t dir, int color,
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int count)
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{
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float scale;
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int i, j;
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vec3_t porg;
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if (numparticles >= r_maxparticles)
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return;
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scale = pow (count, 0.23); // calculate scale before clipping to part. max
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if (numparticles + count >= r_maxparticles)
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count = r_maxparticles - numparticles;
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for (i = 0; i < count; i++) {
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for (j = 0; j < 3; j++) {
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porg[j] = org[j] + scale * ((rand () & 15) - 7.5);
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}
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// Note that ParseParticleEffect handles (dir * 15)
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particle_new (pt_grav, part_tex_dot, porg, 1.5, dir,
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r_realtime + 0.1 * (rand () % 5),
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(color & ~7) + (rand () & 7), 1.0, 0.0);
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}
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}
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static void
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R_SpikeEffect_QF (const vec3_t org)
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{
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R_RunSparkEffect_QF (org, 5, 8);
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}
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static void
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R_SuperSpikeEffect_QF (const vec3_t org)
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{
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R_RunSparkEffect_QF (org, 10, 8);
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}
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static void
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R_KnightSpikeEffect_QF (const vec3_t org)
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{
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unsigned int count = 10;
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if (numparticles >= r_maxparticles)
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return;
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particle_new (pt_smokecloud, part_tex_smoke, org, 1.0, vec3_origin,
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r_realtime + 9.0, 234, 0.25 + qfrandom (0.125), 0.0);
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if (numparticles + count >= r_maxparticles)
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count = r_maxparticles - numparticles;
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while (count--)
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particle_new_random (pt_fallfade, part_tex_dot, org, 6, 0.7, 96,
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r_realtime + 5.0, 234, 1.0, 0.0);
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}
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static void
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R_WizSpikeEffect_QF (const vec3_t org)
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{
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unsigned int count = 15;
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if (numparticles >= r_maxparticles)
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return;
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particle_new (pt_smokecloud, part_tex_smoke, org, 2.0, vec3_origin,
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r_realtime + 9.0, 63, 0.25 + qfrandom (0.125), 0.0);
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if (numparticles + count >= r_maxparticles)
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count = r_maxparticles - numparticles;
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while (count--)
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particle_new_random (pt_fallfade, part_tex_dot, org, 12, 0.7, 96,
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r_realtime + 5.0, 63, 1.0, 0.0);
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}
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static void
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R_LavaSplash_QF (const vec3_t org)
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{
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float vel;
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int rnd, i, j;
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int k = 256;
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vec3_t dir, porg, pvel;
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if (numparticles + k >= r_maxparticles) {
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return;
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} // else if (numparticles + k >= r_maxparticles) {
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// k = r_maxparticles - numparticles;
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// }
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dir[2] = 256;
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for (i = -128; i < 128; i += 16) {
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for (j = -128; j < 128; j += 16) {
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rnd = rand ();
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dir[0] = j + (rnd & 7);
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dir[1] = i + ((rnd >> 6) & 7);
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porg[0] = org[0] + dir[0];
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porg[1] = org[1] + dir[1];
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porg[2] = org[2] + ((rnd >> 9) & 63);
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VectorNormalize (dir);
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rnd = rand ();
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vel = 50 + (rnd & 63);
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VectorScale (dir, vel, pvel);
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particle_new (pt_grav, part_tex_dot, porg, 3, pvel,
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r_realtime + 2.0 + ((rnd >> 7) & 31) * 0.02,
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224 + ((rnd >> 12) & 7), 0.75, 0.0);
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}
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}
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}
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static void
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R_TeleportSplash_QF (const vec3_t org)
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{
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float vel;
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int rnd, i, j, k;
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int l = 896;
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vec3_t dir, pdir, porg, pvel;
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if (numparticles + l >= r_maxparticles) {
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return;
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} // else if (numparticles + l >= r_maxparticles) {
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// l = r_maxparticles - numparticles;
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// }
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for (k = -24; k < 32; k += 4) {
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dir[2] = k * 8;
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for (i = -16; i < 16; i += 4) {
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dir[1] = i * 8;
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for (j = -16; j < 16; j += 4) {
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dir[0] = j * 8;
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VectorCopy (dir, pdir);
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VectorNormalize (pdir);
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rnd = rand ();
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porg[0] = org[0] + i + (rnd & 3);
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porg[1] = org[1] + j + ((rnd >> 2) & 3);
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porg[2] = org[2] + k + ((rnd >> 4) & 3);
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vel = 50 + ((rnd >> 6) & 63);
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VectorScale (pdir, vel, pvel);
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particle_new (pt_grav, part_tex_spark, porg, 0.6, pvel,
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(r_realtime + 0.2 + (rand () & 15) * 0.01),
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(7 + ((rnd >> 12) & 7)), 1.0, 0.0);
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}
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}
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}
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}
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static void
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R_RocketTrail_QF (entity_t *ent)
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{
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float dist, maxlen, origlen, percent, pscale, pscalenext;
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float len = 0.0;
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vec3_t vec;
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if (numparticles >= r_maxparticles)
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return;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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maxlen = VectorNormalize (vec);
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origlen = r_frametime / maxlen;
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pscale = 1.5 + qfrandom (1.5);
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while (len < maxlen) {
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pscalenext = 1.5 + qfrandom (1.5);
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dist = (pscale + pscalenext) * 3.0;
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percent = len * origlen;
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particle_new (pt_smoke, part_tex_smoke, ent->old_origin,
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pscale + percent * 4.0, vec3_origin,
|
|
r_realtime + 2.0 - percent * 2.0,
|
|
12 + (rand () & 3),
|
|
0.5 + qfrandom (0.125) - percent * 0.40, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorMA (ent->old_origin, len, vec, ent->old_origin);
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_GrenadeTrail_QF (entity_t *ent)
|
|
{
|
|
float dist, maxlen, origlen, percent, pscale, pscalenext;
|
|
float len = 0.0;
|
|
vec3_t vec;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
origlen = r_frametime / maxlen;
|
|
pscale = 6.0 + qfrandom (7.0);
|
|
|
|
while (len < maxlen) {
|
|
pscalenext = 6.0 + qfrandom (7.0);
|
|
dist = (pscale + pscalenext) * 2.0;
|
|
percent = len * origlen;
|
|
|
|
particle_new (pt_smoke, part_tex_smoke, ent->old_origin,
|
|
pscale + percent * 4.0, vec3_origin,
|
|
r_realtime + 2.0 - percent * 2.0,
|
|
1 + (rand () & 3),
|
|
0.625 + qfrandom (0.125) - percent * 0.40, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorMA (ent->old_origin, len, vec, ent->old_origin);
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_BloodTrail_QF (entity_t *ent)
|
|
{
|
|
float dist, maxlen, origlen, percent, pscale, pscalenext;
|
|
float len = 0.0;
|
|
int j;
|
|
vec3_t vec, porg, pvel;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
origlen = r_frametime / maxlen;
|
|
pscale = 5.0 + qfrandom (10.0);
|
|
|
|
while (len < maxlen) {
|
|
pscalenext = 5.0 + qfrandom (10.0);
|
|
dist = (pscale + pscalenext) * 1.5;
|
|
|
|
for (j = 0; j < 3; j++) {
|
|
pvel[j] = qfrandom (24.0) - 12.0;
|
|
porg[j] = ent->old_origin[j] + qfrandom (3.0) - 1.5;
|
|
}
|
|
|
|
percent = len * origlen;
|
|
pvel[2] -= percent * 40.0;
|
|
|
|
particle_new (pt_grav, part_tex_smoke, porg, pscale, pvel,
|
|
r_realtime + 2.0 - percent * 2.0, 68 + (rand () & 3),
|
|
1.0, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorMA (ent->old_origin, len, vec, ent->old_origin);
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_SlightBloodTrail_QF (entity_t *ent)
|
|
{
|
|
float dist, maxlen, origlen, percent, pscale, pscalenext;
|
|
float len = 0.0;
|
|
int j;
|
|
vec3_t vec, porg, pvel;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
origlen = r_frametime / maxlen;
|
|
pscale = 1.5 + qfrandom (7.5);
|
|
|
|
while (len < maxlen) {
|
|
pscalenext = 1.5 + qfrandom (7.5);
|
|
dist = (pscale + pscalenext) * 1.5;
|
|
|
|
for (j = 0; j < 3; j++) {
|
|
pvel[j] = (qfrandom (12.0) - 6.0);
|
|
porg[j] = ent->old_origin[j] + qfrandom (3.0) - 1.5;
|
|
}
|
|
|
|
percent = len * origlen;
|
|
pvel[2] -= percent * 40;
|
|
|
|
particle_new (pt_grav, part_tex_smoke, porg, pscale, pvel,
|
|
r_realtime + 1.5 - percent * 1.5, 68 + (rand () & 3),
|
|
0.75, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorMA (ent->old_origin, len, vec, ent->old_origin);
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_WizTrail_QF (entity_t *ent)
|
|
{
|
|
float maxlen, origlen, percent;
|
|
float dist = 3.0, len = 0.0;
|
|
static int tracercount;
|
|
vec3_t subtract, vec, pvel;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
origlen = r_frametime / maxlen;
|
|
VectorScale (vec, maxlen - dist, subtract);
|
|
|
|
while (len < maxlen) {
|
|
percent = len * origlen;
|
|
|
|
tracercount++;
|
|
if (tracercount & 1) {
|
|
pvel[0] = 30.0 * vec[1];
|
|
pvel[1] = 30.0 * -vec[0];
|
|
} else {
|
|
pvel[0] = 30.0 * -vec[1];
|
|
pvel[1] = 30.0 * vec[0];
|
|
}
|
|
pvel[2] = 0.0;
|
|
|
|
particle_new (pt_flame, part_tex_smoke, ent->old_origin,
|
|
2.0 + qfrandom (1.0) - percent * 2.0, pvel,
|
|
r_realtime + 0.5 - percent * 0.5, 52 + (rand () & 4),
|
|
1.0 - percent * 0.125, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_FlameTrail_QF (entity_t *ent)
|
|
{
|
|
float maxlen, origlen, percent;
|
|
float dist = 3.0, len = 0.0;
|
|
static int tracercount;
|
|
vec3_t subtract, vec, pvel;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
origlen = r_frametime / maxlen;
|
|
VectorScale (vec, maxlen - dist, subtract);
|
|
|
|
while (len < maxlen) {
|
|
percent = len * origlen;
|
|
|
|
tracercount++;
|
|
if (tracercount & 1) {
|
|
pvel[0] = 30.0 * vec[1];
|
|
pvel[1] = 30.0 * -vec[0];
|
|
} else {
|
|
pvel[0] = 30.0 * -vec[1];
|
|
pvel[1] = 30.0 * vec[0];
|
|
}
|
|
pvel[2] = 0.0;
|
|
|
|
particle_new (pt_flame, part_tex_smoke, ent->old_origin,
|
|
2.0 + qfrandom (1.0) - percent * 2.0, pvel,
|
|
r_realtime + 0.5 - percent * 0.5, 234,
|
|
1.0 - percent * 0.125, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_VoorTrail_QF (entity_t *ent)
|
|
{
|
|
float maxlen, origlen, percent;
|
|
float dist = 3.0, len = 0.0;
|
|
int j;
|
|
vec3_t subtract, vec, porg;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
origlen = r_frametime / maxlen;
|
|
VectorScale (vec, maxlen - dist, subtract);
|
|
|
|
while (len < maxlen) {
|
|
percent = len * origlen;
|
|
|
|
for (j = 0; j < 3; j++)
|
|
porg[j] = ent->old_origin[j] + qfrandom (16.0) - 8.0;
|
|
|
|
particle_new (pt_static, part_tex_dot, porg, 1.0 + qfrandom (1.0),
|
|
vec3_origin, r_realtime + 0.3 - percent * 0.3,
|
|
9 * 16 + 8 + (rand () & 3), 1.0, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_GlowTrail_QF (entity_t *ent, int glow_color)
|
|
{
|
|
float maxlen, origlen, percent;
|
|
float dist = 3.0, len = 0.0;
|
|
int rnd;
|
|
vec3_t org, subtract, vec;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
origlen = r_frametime / maxlen;
|
|
VectorScale (vec, (maxlen - dist), subtract);
|
|
|
|
while (len < maxlen) {
|
|
percent = len * origlen;
|
|
|
|
rnd = rand ();
|
|
org[0] = ent->old_origin[0] + ((rnd >> 12) & 7) * (5.0/7.0) - 2.5;
|
|
org[1] = ent->old_origin[1] + ((rnd >> 9) & 7) * (5.0/7.0) - 2.5;
|
|
org[2] = ent->old_origin[2] + ((rnd >> 6) & 7) * (5.0/7.0) - 2.5;
|
|
|
|
particle_new (pt_smoke, part_tex_dot, org, 1.0, vec3_origin,
|
|
r_realtime + 2.0 - percent * 0.2, glow_color, 1.0, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_ParticleExplosion_EE (const vec3_t org)
|
|
{
|
|
/*
|
|
R_NewExplosion (org);
|
|
*/
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
particle_new_random (pt_smokecloud, part_tex_smoke, org, 4, 30, 8,
|
|
r_realtime + 5.0, rand () & 255,
|
|
0.5 + qfrandom (0.25), 0.0);
|
|
}
|
|
|
|
static void
|
|
R_TeleportSplash_EE (const vec3_t org)
|
|
{
|
|
float vel;
|
|
int rnd, i, j, k;
|
|
int l = 896;
|
|
vec3_t dir, porg, pvel;
|
|
|
|
if (numparticles + l >= r_maxparticles) {
|
|
return;
|
|
} // else if (numparticles + l >= r_maxparticles) {
|
|
// l = r_maxparticles - numparticles;
|
|
// }
|
|
|
|
for (k = -24; k < 32; k += 4) {
|
|
dir[2] = k * 8;
|
|
for (i = -16; i < 16; i += 4) {
|
|
dir[1] = i * 8;
|
|
for (j = -16; j < 16; j += 4) {
|
|
dir[0] = j * 8;
|
|
|
|
rnd = rand ();
|
|
porg[0] = org[0] + i + (rnd & 3);
|
|
porg[1] = org[1] + j + ((rnd >> 2) & 3);
|
|
porg[2] = org[2] + k + ((rnd >> 4) & 3);
|
|
|
|
VectorNormalize (dir);
|
|
vel = 50 + ((rnd >> 6) & 63);
|
|
VectorScale (dir, vel, pvel);
|
|
particle_new (pt_grav, part_tex_spark, porg, 0.6, pvel,
|
|
(r_realtime + 0.2 + (rand () & 15) * 0.01),
|
|
qfrandom (1.0), 1.0, 0.0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_RocketTrail_EE (entity_t *ent)
|
|
{
|
|
float dist, maxlen, origlen, percent, pscale, pscalenext;
|
|
float len = 0.0;
|
|
vec3_t subtract, vec;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
origlen = r_frametime / maxlen;
|
|
pscale = 1.5 + qfrandom (1.5);
|
|
|
|
while (len < maxlen) {
|
|
pscalenext = 1.5 + qfrandom (1.5);
|
|
dist = (pscale + pscalenext) * 3.0;
|
|
percent = len * origlen;
|
|
|
|
particle_new (pt_smoke, part_tex_smoke, ent->old_origin,
|
|
pscale + percent * 4.0, vec3_origin,
|
|
r_realtime + 2.0 - percent * 2.0,
|
|
rand () & 255,
|
|
0.5 + qfrandom (0.125) - percent * 0.40, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorScale (vec, len, subtract);
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_GrenadeTrail_EE (entity_t *ent)
|
|
{
|
|
float dist, maxlen, origlen, percent, pscale, pscalenext;
|
|
float len = 0.0;
|
|
vec3_t subtract, vec;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
origlen = r_frametime / maxlen;
|
|
pscale = 6.0 + qfrandom (7.0);
|
|
|
|
while (len < maxlen) {
|
|
pscalenext = 6.0 + qfrandom (7.0);
|
|
dist = (pscale + pscalenext) * 2.0;
|
|
percent = len * origlen;
|
|
|
|
particle_new (pt_smoke, part_tex_smoke, ent->old_origin,
|
|
pscale + percent * 4.0, vec3_origin,
|
|
r_realtime + 2.0 - percent * 2.0,
|
|
rand () & 255,
|
|
0.625 + qfrandom (0.125) - percent * 0.40, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorScale (vec, len, subtract);
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_ParticleExplosion_ID (const vec3_t org)
|
|
{
|
|
unsigned int i;
|
|
unsigned int j = 1024;
|
|
ptype_t ptype;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
else if (numparticles + j >= r_maxparticles)
|
|
j = r_maxparticles - numparticles;
|
|
|
|
for (i = 0; i < j; i++) {
|
|
if (i & 1)
|
|
ptype = pt_explode;
|
|
else
|
|
ptype = pt_explode2;
|
|
particle_new_random (ptype, part_tex_dot, org, 16, 1.0, 256,
|
|
r_realtime + 5.0, ramp1[0], 1.0, rand () & 3);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_BlobExplosion_ID (const vec3_t org)
|
|
{
|
|
unsigned int i;
|
|
unsigned int j = 1024;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
else if (numparticles + j >= r_maxparticles)
|
|
j = r_maxparticles - numparticles;
|
|
|
|
for (i = 0; i < j >> 1; i++) {
|
|
particle_new_random (pt_blob, part_tex_dot, org, 12, 1.0, 256,
|
|
r_realtime + 1.0 + (rand () & 8) * 0.05,
|
|
66 + rand () % 6, 1.0, 0.0);
|
|
}
|
|
for (i = 0; i < j / 2; i++) {
|
|
particle_new_random (pt_blob2, part_tex_dot, org, 12, 1.0, 256,
|
|
r_realtime + 1.0 + (rand () & 8) * 0.05,
|
|
150 + rand () % 6, 1.0, 0.0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_RunParticleEffect_ID (const vec3_t org, const vec3_t dir, int color,
|
|
int count)
|
|
{
|
|
float scale;
|
|
int i, j;
|
|
vec3_t porg;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
if (count > 130) // calculate scale before clipping to particle max
|
|
scale = 3.0;
|
|
else if (count > 20)
|
|
scale = 2.0;
|
|
else
|
|
scale = 1.0;
|
|
|
|
if (numparticles + count >= r_maxparticles)
|
|
count = r_maxparticles - numparticles;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
for (j = 0; j < 3; j++) {
|
|
porg[j] = org[j] + scale * ((rand () & 15) - 8);
|
|
}
|
|
// Note that ParseParticleEffect handles (dir * 15)
|
|
particle_new (pt_grav, part_tex_dot, porg, 1.0, dir,
|
|
r_realtime + 0.1 * (rand () % 5),
|
|
(color & ~7) + (rand () & 7), 1.0, 0.0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_BloodPuffEffect_ID (const vec3_t org, int count)
|
|
{
|
|
R_RunParticleEffect_ID (org, vec3_origin, 73, count);
|
|
}
|
|
|
|
static void
|
|
R_GunshotEffect_ID (const vec3_t org, int count)
|
|
{
|
|
R_RunParticleEffect_ID (org, vec3_origin, 0, count);
|
|
}
|
|
|
|
static void
|
|
R_LightningBloodEffect_ID (const vec3_t org)
|
|
{
|
|
R_RunParticleEffect_ID (org, vec3_origin, 225, 50);
|
|
}
|
|
|
|
static void
|
|
R_SpikeEffect_ID (const vec3_t org)
|
|
{
|
|
R_RunParticleEffect_ID (org, vec3_origin, 0, 10);
|
|
}
|
|
|
|
static void
|
|
R_SuperSpikeEffect_ID (const vec3_t org)
|
|
{
|
|
R_RunParticleEffect_ID (org, vec3_origin, 0, 20);
|
|
}
|
|
|
|
static void
|
|
R_KnightSpikeEffect_ID (const vec3_t org)
|
|
{
|
|
R_RunParticleEffect_ID (org, vec3_origin, 226, 20);
|
|
}
|
|
|
|
static void
|
|
R_WizSpikeEffect_ID (const vec3_t org)
|
|
{
|
|
R_RunParticleEffect_ID (org, vec3_origin, 20, 30);
|
|
}
|
|
|
|
static void
|
|
R_LavaSplash_ID (const vec3_t org)
|
|
{
|
|
float vel;
|
|
int rnd, i, j;
|
|
int k = 256;
|
|
vec3_t dir, porg, pvel;
|
|
|
|
if (numparticles + k >= r_maxparticles) {
|
|
return;
|
|
} // else if (numparticles + k >= r_maxparticles) {
|
|
// k = r_maxparticles - numparticles;
|
|
// }
|
|
|
|
dir[2] = 256;
|
|
for (i = -128; i < 128; i += 16) {
|
|
for (j = -128; j < 128; j += 16) {
|
|
rnd = rand ();
|
|
dir[0] = j + (rnd & 7);
|
|
dir[1] = i + ((rnd >> 6) & 7);
|
|
|
|
porg[0] = org[0] + dir[0];
|
|
porg[1] = org[1] + dir[1];
|
|
porg[2] = org[2] + ((rnd >> 9) & 63);
|
|
|
|
VectorNormalize (dir);
|
|
rnd = rand ();
|
|
vel = 50 + (rnd & 63);
|
|
VectorScale (dir, vel, pvel);
|
|
particle_new (pt_grav, part_tex_dot, porg, 1.0, pvel,
|
|
r_realtime + 2 + ((rnd >> 7) & 31) * 0.02,
|
|
224 + ((rnd >> 12) & 7), 1.0, 0.0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_TeleportSplash_ID (const vec3_t org)
|
|
{
|
|
float vel;
|
|
int rnd, i, j, k;
|
|
int l = 896;
|
|
vec3_t dir, pdir, porg, pvel;
|
|
|
|
if (numparticles + l >= r_maxparticles) {
|
|
return;
|
|
} // else if (numparticles + l >= r_maxparticles) {
|
|
// l = r_maxparticles - numparticles;
|
|
// }
|
|
|
|
for (k = -24; k < 32; k += 4) {
|
|
dir[2] = k * 8;
|
|
for (i = -16; i < 16; i += 4) {
|
|
dir[1] = i * 8;
|
|
for (j = -16; j < 16; j += 4) {
|
|
dir[0] = j * 8;
|
|
|
|
VectorCopy (dir, pdir);
|
|
VectorNormalize (pdir);
|
|
|
|
rnd = rand ();
|
|
porg[0] = org[0] + i + (rnd & 3);
|
|
porg[1] = org[1] + j + ((rnd >> 2) & 3);
|
|
porg[2] = org[2] + k + ((rnd >> 4) & 3);
|
|
|
|
vel = 50 + ((rnd >> 6) & 63);
|
|
VectorScale (pdir, vel, pvel);
|
|
particle_new (pt_grav, part_tex_dot, porg, 1.0, pvel,
|
|
(r_realtime + 0.2 + (rand () & 7) * 0.02),
|
|
(7 + ((rnd >> 12) & 7)), 1.0, 0.0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_RocketTrail_ID (entity_t *ent)
|
|
{
|
|
float maxlen;
|
|
float dist = 3.0, len = 0.0;
|
|
int ramp, rnd;
|
|
vec3_t org, subtract, vec;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
VectorScale (vec, (maxlen - dist), subtract);
|
|
|
|
while (len < maxlen) {
|
|
rnd = rand ();
|
|
org[0] = ent->old_origin[0] + ((rnd >> 12) & 7) * (5.0/7.0) - 2.5;
|
|
org[1] = ent->old_origin[1] + ((rnd >> 9) & 7) * (5.0/7.0) - 2.5;
|
|
org[2] = ent->old_origin[2] + ((rnd >> 6) & 7) * (5.0/7.0) - 2.5;
|
|
ramp = rnd & 3;
|
|
|
|
particle_new (pt_fire, part_tex_dot, org, 1.0, vec3_origin,
|
|
r_realtime + 2.0, ramp3[ramp], 1.0, ramp);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_GrenadeTrail_ID (entity_t *ent)
|
|
{
|
|
float maxlen;
|
|
float dist = 3.0, len = 0.0;
|
|
unsigned int ramp, rnd;
|
|
vec3_t org, subtract, vec;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
VectorScale (vec, maxlen - dist, subtract);
|
|
|
|
while (len < maxlen) {
|
|
rnd = rand ();
|
|
org[0] = ent->old_origin[0] + ((rnd >> 12) & 7) * (5.0/7.0) - 2.5;
|
|
org[1] = ent->old_origin[1] + ((rnd >> 9) & 7) * (5.0/7.0) - 2.5;
|
|
org[2] = ent->old_origin[2] + ((rnd >> 6) & 7) * (5.0/7.0) - 2.5;
|
|
ramp = (rnd & 3) + 2;
|
|
|
|
particle_new (pt_fire, part_tex_dot, org, 1.0, vec3_origin,
|
|
r_realtime + 2.0, ramp3[ramp], 1.0, ramp);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_BloodTrail_ID (entity_t *ent)
|
|
{
|
|
float maxlen;
|
|
float dist = 3.0, len = 0.0;
|
|
unsigned int rnd;
|
|
vec3_t subtract, vec, porg;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
VectorScale (vec, maxlen - dist, subtract);
|
|
|
|
while (len < maxlen) {
|
|
rnd = rand ();
|
|
porg[0] = ent->old_origin[0] + ((rnd >> 12) & 7) * (5.0/7.0) - 2.5;
|
|
porg[1] = ent->old_origin[1] + ((rnd >> 9) & 7) * (5.0/7.0) - 2.5;
|
|
porg[2] = ent->old_origin[2] + ((rnd >> 6) & 7) * (5.0/7.0) - 2.5;
|
|
|
|
particle_new (pt_grav, part_tex_dot, porg, 1.0, vec3_origin,
|
|
r_realtime + 2.0, 67 + (rnd & 3), 1.0, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_SlightBloodTrail_ID (entity_t *ent)
|
|
{
|
|
float maxlen;
|
|
float dist = 6.0, len = 0.0;
|
|
unsigned int rnd;
|
|
vec3_t subtract, vec, porg;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
VectorScale (vec, maxlen - dist, subtract);
|
|
|
|
while (len < maxlen) {
|
|
rnd = rand ();
|
|
porg[0] = ent->old_origin[0] + ((rnd >> 12) & 7) * (5.0/7.0) - 2.5;
|
|
porg[1] = ent->old_origin[1] + ((rnd >> 9) & 7) * (5.0/7.0) - 2.5;
|
|
porg[2] = ent->old_origin[2] + ((rnd >> 6) & 7) * (5.0/7.0) - 2.5;
|
|
|
|
particle_new (pt_grav, part_tex_dot, porg, 1.0, vec3_origin,
|
|
r_realtime + 1.5, 67 + (rnd & 3), 1.0, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_WizTrail_ID (entity_t *ent)
|
|
{
|
|
float maxlen;
|
|
float dist = 3.0, len = 0.0;
|
|
static int tracercount;
|
|
vec3_t subtract, vec, pvel;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
VectorScale (vec, maxlen - dist, subtract);
|
|
|
|
while (len < maxlen) {
|
|
tracercount++;
|
|
if (tracercount & 1) {
|
|
pvel[0] = 30.0 * vec[1];
|
|
pvel[1] = 30.0 * -vec[0];
|
|
} else {
|
|
pvel[0] = 30.0 * -vec[1];
|
|
pvel[1] = 30.0 * vec[0];
|
|
}
|
|
pvel[2] = 0.0;
|
|
|
|
particle_new (pt_static, part_tex_dot, ent->old_origin, 1.0, pvel,
|
|
r_realtime + 0.5, 52 + ((tracercount & 4) << 1), 1.0,
|
|
0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_FlameTrail_ID (entity_t *ent)
|
|
{
|
|
float maxlen;
|
|
float dist = 3.0, len = 0.0;
|
|
static int tracercount;
|
|
vec3_t subtract, vec, pvel;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
VectorScale (vec, maxlen - dist, subtract);
|
|
|
|
while (len < maxlen) {
|
|
tracercount++;
|
|
if (tracercount & 1) {
|
|
pvel[0] = 30.0 * vec[1];
|
|
pvel[1] = 30.0 * -vec[0];
|
|
} else {
|
|
pvel[0] = 30.0 * -vec[1];
|
|
pvel[1] = 30.0 * vec[0];
|
|
}
|
|
pvel[2] = 0.0;
|
|
|
|
particle_new (pt_static, part_tex_dot, ent->old_origin, 1.0, pvel,
|
|
r_realtime + 0.5, 230 + ((tracercount & 4) << 1), 1.0,
|
|
0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
static void
|
|
R_VoorTrail_ID (entity_t *ent)
|
|
{
|
|
float maxlen;
|
|
float dist = 3.0, len = 0.0;
|
|
unsigned int rnd;
|
|
vec3_t subtract, vec, porg;
|
|
|
|
if (numparticles >= r_maxparticles)
|
|
return;
|
|
|
|
VectorSubtract (ent->origin, ent->old_origin, vec);
|
|
maxlen = VectorNormalize (vec);
|
|
VectorScale (vec, maxlen - dist, subtract);
|
|
|
|
while (len < maxlen) {
|
|
rnd = rand ();
|
|
porg[0] = ent->old_origin[0] + ((rnd >> 3) & 15) - 7.5;
|
|
porg[1] = ent->old_origin[1] + ((rnd >> 7) & 15) - 7.5;
|
|
porg[2] = ent->old_origin[2] + ((rnd >> 11) & 15) - 7.5;
|
|
|
|
particle_new (pt_static, part_tex_dot, porg, 1.0, vec3_origin,
|
|
r_realtime + 0.3, 9 * 16 + 8 + (rnd & 3), 1.0, 0.0);
|
|
if (numparticles >= r_maxparticles)
|
|
break;
|
|
len += dist;
|
|
VectorAdd (ent->old_origin, subtract, ent->old_origin);
|
|
}
|
|
}
|
|
|
|
void
|
|
R_DrawParticles (void)
|
|
{
|
|
unsigned char *at;
|
|
float grav, fast_grav, minparticledist, scale,
|
|
time_125, time_25, time_40, time_55, time2, time4, time5,
|
|
time10, time15, time30, time50;
|
|
int activeparticles, maxparticle, j, vacount;
|
|
unsigned int k;
|
|
varray_t2f_c4ub_v3f_t *VA;
|
|
particle_t *part;
|
|
vec3_t up_scale, right_scale, up_right_scale, down_right_scale;
|
|
|
|
if (!r_particles->int_val)
|
|
return;
|
|
|
|
qfglBindTexture (GL_TEXTURE_2D, part_tex);
|
|
// LordHavoc: particles should not affect zbuffer
|
|
qfglDepthMask (GL_FALSE);
|
|
qfglInterleavedArrays (GL_T2F_C4UB_V3F, 0, particleVertexArray);
|
|
|
|
grav = (fast_grav = r_frametime * 800.0) * 0.05;
|
|
time_125 = r_frametime * 0.125;
|
|
time_25= r_frametime * 0.25;
|
|
time_40 = r_frametime * 0.40;
|
|
time_55 = r_frametime * 0.55;
|
|
time2 = r_frametime * 2.0;
|
|
time4 = r_frametime * 4.0;
|
|
time5 = r_frametime * 5.0;
|
|
time10 = r_frametime * 10.0;
|
|
time15 = r_frametime * 15.0;
|
|
time30 = r_frametime * 30.0;
|
|
time50 = r_frametime * 50.0;
|
|
|
|
minparticledist = DotProduct (r_refdef.vieworg, vpn) +
|
|
r_particles_nearclip->value;
|
|
|
|
activeparticles = 0;
|
|
vacount = 0;
|
|
VA = particleVertexArray;
|
|
maxparticle = -1;
|
|
j = 0;
|
|
|
|
for (k = 0, part = particles; k < numparticles; k++, part++) {
|
|
// Don't render particles too close to us.
|
|
// Note, we must still do physics and such on them.
|
|
if (!(DotProduct (part->org, vpn) < minparticledist)) {
|
|
at = (byte *) &d_8to24table[(byte) part->color];
|
|
VA[0].color[0] = at[0];
|
|
VA[0].color[1] = at[1];
|
|
VA[0].color[2] = at[2];
|
|
VA[0].color[3] = part->alpha * 255;
|
|
memcpy (VA[1].color, VA[0].color, sizeof(VA[0].color));
|
|
memcpy (VA[2].color, VA[0].color, sizeof(VA[0].color));
|
|
memcpy (VA[3].color, VA[0].color, sizeof(VA[0].color));
|
|
|
|
switch (part->tex) {
|
|
case 0:
|
|
VA[0].texcoord[0] = 0.0;
|
|
VA[0].texcoord[1] = 0.0;
|
|
VA[1].texcoord[0] = 0.5;
|
|
VA[1].texcoord[1] = 0.0;
|
|
VA[2].texcoord[0] = 0.5;
|
|
VA[2].texcoord[1] = 0.5;
|
|
VA[3].texcoord[0] = 0.0;
|
|
VA[3].texcoord[1] = 0.5;
|
|
break;
|
|
case 1:
|
|
VA[0].texcoord[0] = 0.5;
|
|
VA[0].texcoord[1] = 0.0;
|
|
VA[1].texcoord[0] = 1.0;
|
|
VA[1].texcoord[1] = 0.0;
|
|
VA[2].texcoord[0] = 1.0;
|
|
VA[2].texcoord[1] = 0.5;
|
|
VA[3].texcoord[0] = 0.5;
|
|
VA[3].texcoord[1] = 0.5;
|
|
break;
|
|
case 2:
|
|
VA[0].texcoord[0] = 0.0;
|
|
VA[0].texcoord[1] = 0.5;
|
|
VA[1].texcoord[0] = 0.5;
|
|
VA[1].texcoord[1] = 0.5;
|
|
VA[2].texcoord[0] = 0.5;
|
|
VA[2].texcoord[1] = 1.0;
|
|
VA[3].texcoord[0] = 0.0;
|
|
VA[3].texcoord[1] = 1.0;
|
|
break;
|
|
}
|
|
|
|
scale = part->scale;
|
|
|
|
VectorScale (vup, scale, up_scale);
|
|
VectorScale (vright, scale, right_scale);
|
|
|
|
VectorAdd (right_scale, up_scale, up_right_scale);
|
|
VectorSubtract (right_scale, up_scale, down_right_scale);
|
|
|
|
VectorAdd (part->org, down_right_scale, VA[0].vertex);
|
|
VectorSubtract (part->org, up_right_scale, VA[1].vertex);
|
|
VectorSubtract (part->org, down_right_scale, VA[2].vertex);
|
|
VectorAdd (part->org, up_right_scale, VA[3].vertex);
|
|
|
|
VA += 4;
|
|
vacount += 4;
|
|
if (vacount + 4 > pVAsize) {
|
|
qfglDrawElements (GL_QUADS, vacount, GL_UNSIGNED_INT,
|
|
pVAindices);
|
|
vacount = 0;
|
|
VA = particleVertexArray;
|
|
}
|
|
}
|
|
|
|
VectorMA (part->org, r_frametime, part->vel, part->org);
|
|
|
|
switch (part->type) {
|
|
case pt_static:
|
|
break;
|
|
case pt_grav:
|
|
part->vel[2] -= grav;
|
|
break;
|
|
case pt_fire:
|
|
part->ramp += time5;
|
|
if (part->ramp >= 6) {
|
|
part->die = -1;
|
|
break;
|
|
}
|
|
part->color = ramp3[(int) part->ramp];
|
|
part->alpha = (6.0 - part->ramp) / 6.0;
|
|
part->vel[2] += grav;
|
|
break;
|
|
case pt_explode:
|
|
part->ramp += time10;
|
|
if (part->ramp >= 8) {
|
|
part->die = -1;
|
|
break;
|
|
}
|
|
part->color = ramp1[(int) part->ramp];
|
|
VectorMA (part->vel, time4, part->vel, part->vel);
|
|
part->vel[2] -= grav;
|
|
break;
|
|
case pt_explode2:
|
|
part->ramp += time15;
|
|
if (part->ramp >= 8) {
|
|
part->die = -1;
|
|
break;
|
|
}
|
|
part->color = ramp2[(int) part->ramp];
|
|
VectorMA (part->vel, -r_frametime, part->vel, part->vel);
|
|
part->vel[2] -= grav;
|
|
break;
|
|
case pt_blob:
|
|
VectorMA (part->vel, time4, part->vel, part->vel);
|
|
part->vel[2] -= grav;
|
|
break;
|
|
case pt_blob2:
|
|
part->vel[0] -= part->vel[0] * time4;
|
|
part->vel[1] -= part->vel[1] * time4;
|
|
part->vel[2] -= grav;
|
|
break;
|
|
case pt_smoke:
|
|
if ((part->alpha -= time_40) <= 0.0)
|
|
part->die = -1;
|
|
part->scale += time4;
|
|
// part->org[2] += time30;
|
|
break;
|
|
case pt_smokecloud:
|
|
if ((part->alpha -= time_55) <= 0.0) {
|
|
part->die = -1;
|
|
break;
|
|
}
|
|
part->scale += time50;
|
|
part->org[2] += time30;
|
|
break;
|
|
case pt_bloodcloud:
|
|
if ((part->alpha -= time_25) <= 0.0) {
|
|
part->die = -1;
|
|
break;
|
|
}
|
|
part->scale += time4;
|
|
part->vel[2] -= grav;
|
|
break;
|
|
case pt_fallfade:
|
|
if ((part->alpha -= r_frametime) <= 0.0)
|
|
part->die = -1;
|
|
part->vel[2] -= fast_grav;
|
|
break;
|
|
case pt_fallfadespark:
|
|
part->ramp += time15;
|
|
if (part->ramp >= 8) {
|
|
part->die = -1;
|
|
break;
|
|
}
|
|
part->color = ramp1[(int) part->ramp];
|
|
if ((part->alpha -= r_frametime) <= 0.0)
|
|
part->die = -1;
|
|
part->vel[2] -= fast_grav;
|
|
break;
|
|
case pt_flame:
|
|
if ((part->alpha -= time_125) <= 0.0)
|
|
part->die = -1;
|
|
part->scale -= time2;
|
|
break;
|
|
default:
|
|
Con_DPrintf ("unhandled particle type %d\n", part->type);
|
|
break;
|
|
}
|
|
// LordHavoc: immediate removal of unnecessary particles (must be done
|
|
// to ensure compactor below operates properly in all cases)
|
|
if (part->die < r_realtime)
|
|
freeparticles[j++] = part;
|
|
else {
|
|
maxparticle = k;
|
|
activeparticles++;
|
|
}
|
|
}
|
|
if (vacount)
|
|
qfglDrawElements (GL_QUADS, vacount, GL_UNSIGNED_INT, pVAindices);
|
|
|
|
k = 0;
|
|
while (maxparticle >= activeparticles) {
|
|
*freeparticles[k++] = particles[maxparticle--];
|
|
while (maxparticle >= activeparticles &&
|
|
particles[maxparticle].die <= r_realtime)
|
|
maxparticle--;
|
|
}
|
|
numparticles = activeparticles;
|
|
|
|
qfglColor3ubv (color_white);
|
|
qfglDepthMask (GL_TRUE);
|
|
}
|
|
|
|
void
|
|
r_easter_eggs_f (cvar_t *var)
|
|
{
|
|
if (easter_eggs && !gl_feature_mach64) {
|
|
if (easter_eggs->int_val) {
|
|
R_ParticleExplosion = R_ParticleExplosion_EE;
|
|
R_TeleportSplash = R_TeleportSplash_EE;
|
|
R_RocketTrail = R_RocketTrail_EE;
|
|
R_GrenadeTrail = R_GrenadeTrail_EE;
|
|
} else if (r_particles_style) {
|
|
if (r_particles_style->int_val) {
|
|
R_ParticleExplosion = R_ParticleExplosion_QF;
|
|
R_TeleportSplash = R_TeleportSplash_QF;
|
|
R_RocketTrail = R_RocketTrail_QF;
|
|
R_GrenadeTrail = R_GrenadeTrail_QF;
|
|
} else {
|
|
R_ParticleExplosion = R_ParticleExplosion_ID;
|
|
R_TeleportSplash = R_TeleportSplash_ID;
|
|
R_RocketTrail = R_RocketTrail_ID;
|
|
R_GrenadeTrail = R_GrenadeTrail_ID;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
r_particles_style_f (cvar_t *var)
|
|
{
|
|
if (r_particles_style) {
|
|
if (r_particles_style->int_val && !gl_feature_mach64) {
|
|
R_BlobExplosion = R_BlobExplosion_QF;
|
|
R_LavaSplash = R_LavaSplash_QF;
|
|
|
|
R_BloodPuffEffect = R_BloodPuffEffect_QF;
|
|
R_GunshotEffect = R_GunshotEffect_QF;
|
|
R_LightningBloodEffect = R_LightningBloodEffect_QF;
|
|
|
|
R_RunParticleEffect = R_RunParticleEffect_QF;
|
|
R_SpikeEffect = R_SpikeEffect_QF;
|
|
R_SuperSpikeEffect = R_SuperSpikeEffect_QF;
|
|
R_KnightSpikeEffect = R_KnightSpikeEffect_QF;
|
|
R_WizSpikeEffect = R_WizSpikeEffect_QF;
|
|
|
|
R_BloodTrail = R_BloodTrail_QF;
|
|
R_SlightBloodTrail = R_SlightBloodTrail_QF;
|
|
R_WizTrail = R_WizTrail_QF;
|
|
R_FlameTrail = R_FlameTrail_QF;
|
|
R_VoorTrail = R_VoorTrail_QF;
|
|
} else {
|
|
R_BlobExplosion = R_BlobExplosion_ID;
|
|
R_LavaSplash = R_LavaSplash_ID;
|
|
|
|
R_BloodPuffEffect = R_BloodPuffEffect_ID;
|
|
R_GunshotEffect = R_GunshotEffect_ID;
|
|
R_LightningBloodEffect = R_LightningBloodEffect_ID;
|
|
|
|
R_RunParticleEffect = R_RunParticleEffect_ID;
|
|
R_SpikeEffect = R_SpikeEffect_ID;
|
|
R_SuperSpikeEffect = R_SuperSpikeEffect_ID;
|
|
R_KnightSpikeEffect = R_KnightSpikeEffect_ID;
|
|
R_WizSpikeEffect = R_WizSpikeEffect_ID;
|
|
|
|
R_BloodTrail = R_BloodTrail_ID;
|
|
R_SlightBloodTrail = R_SlightBloodTrail_ID;
|
|
R_WizTrail = R_WizTrail_ID;
|
|
R_FlameTrail = R_FlameTrail_ID;
|
|
R_VoorTrail = R_VoorTrail_ID;
|
|
}
|
|
}
|
|
R_ParticleExplosion2 = R_ParticleExplosion2_QF;
|
|
R_GlowTrail = R_GlowTrail_QF;
|
|
// Handle R_GrenadeTrail, R_RocketTrail, R_ParticleExplosion,
|
|
// R_TeleportSplash
|
|
r_easter_eggs_f (easter_eggs);
|
|
}
|
|
|
|
static void
|
|
R_ParticleFunctionInit (void)
|
|
{
|
|
r_particles_style_f (r_particles_style);
|
|
r_easter_eggs_f (easter_eggs);
|
|
}
|
|
|
|
void
|
|
R_Particles_Init_Cvars (void)
|
|
{
|
|
R_ParticleFunctionInit ();
|
|
}
|