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-rw-r--r--WinQuake/r_part.c1600
1 files changed, 800 insertions, 800 deletions
diff --git a/WinQuake/r_part.c b/WinQuake/r_part.c
index 3db22ab..5586440 100644
--- a/WinQuake/r_part.c
+++ b/WinQuake/r_part.c
@@ -1,800 +1,800 @@
-/*
-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 the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*/
-
-#include "quakedef.h"
-#include "r_local.h"
-
-#define MAX_PARTICLES 2048 // default max # of particles at one
- // time
-#define ABSOLUTE_MIN_PARTICLES 512 // no fewer than this no matter what's
- // on the command line
-
-int ramp1[8] = {0x6f, 0x6d, 0x6b, 0x69, 0x67, 0x65, 0x63, 0x61};
-int ramp2[8] = {0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x68, 0x66};
-int ramp3[8] = {0x6d, 0x6b, 6, 5, 4, 3};
-
-particle_t *active_particles, *free_particles;
-
-particle_t *particles;
-int r_numparticles;
-
-vec3_t r_pright, r_pup, r_ppn;
-
-
-/*
-===============
-R_InitParticles
-===============
-*/
-void R_InitParticles (void)
-{
- int i;
-
- i = COM_CheckParm ("-particles");
-
- if (i)
- {
- r_numparticles = (int)(Q_atoi(com_argv[i+1]));
- if (r_numparticles < ABSOLUTE_MIN_PARTICLES)
- r_numparticles = ABSOLUTE_MIN_PARTICLES;
- }
- else
- {
- r_numparticles = MAX_PARTICLES;
- }
-
- particles = (particle_t *)
- Hunk_AllocName (r_numparticles * sizeof(particle_t), "particles");
-}
-
-#ifdef QUAKE2
-void R_DarkFieldParticles (entity_t *ent)
-{
- int i, j, k;
- particle_t *p;
- float vel;
- vec3_t dir;
- vec3_t org;
-
- org[0] = ent->origin[0];
- org[1] = ent->origin[1];
- org[2] = ent->origin[2];
- for (i=-16 ; i<16 ; i+=8)
- for (j=-16 ; j<16 ; j+=8)
- for (k=0 ; k<32 ; k+=8)
- {
- if (!free_particles)
- return;
- p = free_particles;
- free_particles = p->next;
- p->next = active_particles;
- active_particles = p;
-
- p->die = cl.time + 0.2 + (rand()&7) * 0.02;
- p->color = 150 + rand()%6;
- p->type = pt_slowgrav;
-
- dir[0] = j*8;
- dir[1] = i*8;
- dir[2] = k*8;
-
- p->org[0] = org[0] + i + (rand()&3);
- p->org[1] = org[1] + j + (rand()&3);
- p->org[2] = org[2] + k + (rand()&3);
-
- VectorNormalize (dir);
- vel = 50 + (rand()&63);
- VectorScale (dir, vel, p->vel);
- }
-}
-#endif
-
-
-/*
-===============
-R_EntityParticles
-===============
-*/
-
-#define NUMVERTEXNORMALS 162
-extern float r_avertexnormals[NUMVERTEXNORMALS][3];
-vec3_t avelocities[NUMVERTEXNORMALS];
-float beamlength = 16;
-vec3_t avelocity = {23, 7, 3};
-float partstep = 0.01;
-float timescale = 0.01;
-
-void R_EntityParticles (entity_t *ent)
-{
- int count;
- int i;
- particle_t *p;
- float angle;
- float sr, sp, sy, cr, cp, cy;
- vec3_t forward;
- float dist;
-
- dist = 64;
- count = 50;
-
-if (!avelocities[0][0])
-{
-for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
-avelocities[0][i] = (rand()&255) * 0.01;
-}
-
-
- for (i=0 ; i<NUMVERTEXNORMALS ; i++)
- {
- angle = cl.time * avelocities[i][0];
- sy = sin(angle);
- cy = cos(angle);
- angle = cl.time * avelocities[i][1];
- sp = sin(angle);
- cp = cos(angle);
- angle = cl.time * avelocities[i][2];
- sr = sin(angle);
- cr = cos(angle);
-
- forward[0] = cp*cy;
- forward[1] = cp*sy;
- forward[2] = -sp;
-
- if (!free_particles)
- return;
- p = free_particles;
- free_particles = p->next;
- p->next = active_particles;
- active_particles = p;
-
- p->die = cl.time + 0.01;
- p->color = 0x6f;
- p->type = pt_explode;
-
- p->org[0] = ent->origin[0] + r_avertexnormals[i][0]*dist + forward[0]*beamlength;
- p->org[1] = ent->origin[1] + r_avertexnormals[i][1]*dist + forward[1]*beamlength;
- p->org[2] = ent->origin[2] + r_avertexnormals[i][2]*dist + forward[2]*beamlength;
- }
-}
-
-
-/*
-===============
-R_ClearParticles
-===============
-*/
-void R_ClearParticles (void)
-{
- int i;
-
- free_particles = &particles[0];
- active_particles = NULL;
-
- for (i=0 ;i<r_numparticles ; i++)
- particles[i].next = &particles[i+1];
- particles[r_numparticles-1].next = NULL;
-}
-
-
-void R_ReadPointFile_f (void)
-{
- FILE *f;
- vec3_t org;
- int r;
- int c;
- particle_t *p;
- char name[MAX_OSPATH];
-
- sprintf (name,"maps/%s.pts", sv.name);
-
- COM_FOpenFile (name, &f);
- if (!f)
- {
- Con_Printf ("couldn't open %s\n", name);
- return;
- }
-
- Con_Printf ("Reading %s...\n", name);
- c = 0;
- for ( ;; )
- {
- r = fscanf (f,"%f %f %f\n", &org[0], &org[1], &org[2]);
- if (r != 3)
- break;
- c++;
-
- if (!free_particles)
- {
- Con_Printf ("Not enough free particles\n");
- break;
- }
- p = free_particles;
- free_particles = p->next;
- p->next = active_particles;
- active_particles = p;
-
- p->die = 99999;
- p->color = (-c)&15;
- p->type = pt_static;
- VectorCopy (vec3_origin, p->vel);
- VectorCopy (org, p->org);
- }
-
- fclose (f);
- Con_Printf ("%i points read\n", c);
-}
-
-/*
-===============
-R_ParseParticleEffect
-
-Parse an effect out of the server message
-===============
-*/
-void R_ParseParticleEffect (void)
-{
- vec3_t org, dir;
- int i, count, msgcount, color;
-
- for (i=0 ; i<3 ; i++)
- org[i] = MSG_ReadCoord ();
- for (i=0 ; i<3 ; i++)
- dir[i] = MSG_ReadChar () * (1.0/16);
- msgcount = MSG_ReadByte ();
- color = MSG_ReadByte ();
-
-if (msgcount == 255)
- count = 1024;
-else
- count = msgcount;
-
- R_RunParticleEffect (org, dir, color, count);
-}
-
-/*
-===============
-R_ParticleExplosion
-
-===============
-*/
-void R_ParticleExplosion (vec3_t org)
-{
- int i, j;
- particle_t *p;
-
- for (i=0 ; i<1024 ; i++)
- {
- if (!free_particles)
- return;
- p = free_particles;
- free_particles = p->next;
- p->next = active_particles;
- active_particles = p;
-
- p->die = cl.time + 5;
- p->color = ramp1[0];
- p->ramp = rand()&3;
- if (i & 1)
- {
- p->type = pt_explode;
- for (j=0 ; j<3 ; j++)
- {
- p->org[j] = org[j] + ((rand()%32)-16);
- p->vel[j] = (rand()%512)-256;
- }
- }
- else
- {
- p->type = pt_explode2;
- for (j=0 ; j<3 ; j++)
- {
- p->org[j] = org[j] + ((rand()%32)-16);
- p->vel[j] = (rand()%512)-256;
- }
- }
- }
-}
-
-/*
-===============
-R_ParticleExplosion2
-
-===============
-*/
-void R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
-{
- int i, j;
- particle_t *p;
- int colorMod = 0;
-
- for (i=0; i<512; i++)
- {
- if (!free_particles)
- return;
- p = free_particles;
- free_particles = p->next;
- p->next = active_particles;
- active_particles = p;
-
- p->die = cl.time + 0.3;
- p->color = colorStart + (colorMod % colorLength);
- colorMod++;
-
- p->type = pt_blob;
- for (j=0 ; j<3 ; j++)
- {
- p->org[j] = org[j] + ((rand()%32)-16);
- p->vel[j] = (rand()%512)-256;
- }
- }
-}
-
-/*
-===============
-R_BlobExplosion
-
-===============
-*/
-void R_BlobExplosion (vec3_t org)
-{
- int i, j;
- particle_t *p;
-
- for (i=0 ; i<1024 ; i++)
- {
- if (!free_particles)
- return;
- p = free_particles;
- free_particles = p->next;
- p->next = active_particles;
- active_particles = p;
-
- p->die = cl.time + 1 + (rand()&8)*0.05;
-
- if (i & 1)
- {
- p->type = pt_blob;
- p->color = 66 + rand()%6;
- for (j=0 ; j<3 ; j++)
- {
- p->org[j] = org[j] + ((rand()%32)-16);
- p->vel[j] = (rand()%512)-256;
- }
- }
- else
- {
- p->type = pt_blob2;
- p->color = 150 + rand()%6;
- for (j=0 ; j<3 ; j++)
- {
- p->org[j] = org[j] + ((rand()%32)-16);
- p->vel[j] = (rand()%512)-256;
- }
- }
- }
-}
-
-/*
-===============
-R_RunParticleEffect
-
-===============
-*/
-void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count)
-{
- int i, j;
- particle_t *p;
-
- for (i=0 ; i<count ; i++)
- {
- if (!free_particles)
- return;
- p = free_particles;
- free_particles = p->next;
- p->next = active_particles;
- active_particles = p;
-
- if (count == 1024)
- { // rocket explosion
- p->die = cl.time + 5;
- p->color = ramp1[0];
- p->ramp = rand()&3;
- if (i & 1)
- {
- p->type = pt_explode;
- for (j=0 ; j<3 ; j++)
- {
- p->org[j] = org[j] + ((rand()%32)-16);
- p->vel[j] = (rand()%512)-256;
- }
- }
- else
- {
- p->type = pt_explode2;
- for (j=0 ; j<3 ; j++)
- {
- p->org[j] = org[j] + ((rand()%32)-16);
- p->vel[j] = (rand()%512)-256;
- }
- }
- }
- else
- {
- p->die = cl.time + 0.1*(rand()%5);
- p->color = (color&~7) + (rand()&7);
- p->type = pt_slowgrav;
- for (j=0 ; j<3 ; j++)
- {
- p->org[j] = org[j] + ((rand()&15)-8);
- p->vel[j] = dir[j]*15;// + (rand()%300)-150;
- }
- }
- }
-}
-
-
-/*
-===============
-R_LavaSplash
-
-===============
-*/
-void R_LavaSplash (vec3_t org)
-{
- int i, j, k;
- particle_t *p;
- float vel;
- vec3_t dir;
-
- for (i=-16 ; i<16 ; i++)
- for (j=-16 ; j<16 ; j++)
- for (k=0 ; k<1 ; k++)
- {
- if (!free_particles)
- return;
- p = free_particles;
- free_particles = p->next;
- p->next = active_particles;
- active_particles = p;
-
- p->die = cl.time + 2 + (rand()&31) * 0.02;
- p->color = 224 + (rand()&7);
- p->type = pt_slowgrav;
-
- dir[0] = j*8 + (rand()&7);
- dir[1] = i*8 + (rand()&7);
- dir[2] = 256;
-
- p->org[0] = org[0] + dir[0];
- p->org[1] = org[1] + dir[1];
- p->org[2] = org[2] + (rand()&63);
-
- VectorNormalize (dir);
- vel = 50 + (rand()&63);
- VectorScale (dir, vel, p->vel);
- }
-}
-
-/*
-===============
-R_TeleportSplash
-
-===============
-*/
-void R_TeleportSplash (vec3_t org)
-{
- int i, j, k;
- particle_t *p;
- float vel;
- vec3_t dir;
-
- for (i=-16 ; i<16 ; i+=4)
- for (j=-16 ; j<16 ; j+=4)
- for (k=-24 ; k<32 ; k+=4)
- {
- if (!free_particles)
- return;
- p = free_particles;
- free_particles = p->next;
- p->next = active_particles;
- active_particles = p;
-
- p->die = cl.time + 0.2 + (rand()&7) * 0.02;
- p->color = 7 + (rand()&7);
- p->type = pt_slowgrav;
-
- dir[0] = j*8;
- dir[1] = i*8;
- dir[2] = k*8;
-
- p->org[0] = org[0] + i + (rand()&3);
- p->org[1] = org[1] + j + (rand()&3);
- p->org[2] = org[2] + k + (rand()&3);
-
- VectorNormalize (dir);
- vel = 50 + (rand()&63);
- VectorScale (dir, vel, p->vel);
- }
-}
-
-void R_RocketTrail (vec3_t start, vec3_t end, int type)
-{
- vec3_t vec;
- float len;
- int j;
- particle_t *p;
- int dec;
- static int tracercount;
-
- VectorSubtract (end, start, vec);
- len = VectorNormalize (vec);
- if (type < 128)
- dec = 3;
- else
- {
- dec = 1;
- type -= 128;
- }
-
- while (len > 0)
- {
- len -= dec;
-
- if (!free_particles)
- return;
- p = free_particles;
- free_particles = p->next;
- p->next = active_particles;
- active_particles = p;
-
- VectorCopy (vec3_origin, p->vel);
- p->die = cl.time + 2;
-
- switch (type)
- {
- case 0: // rocket trail
- p->ramp = (rand()&3);
- p->color = ramp3[(int)p->ramp];
- p->type = pt_fire;
- for (j=0 ; j<3 ; j++)
- p->org[j] = start[j] + ((rand()%6)-3);
- break;
-
- case 1: // smoke smoke
- p->ramp = (rand()&3) + 2;
- p->color = ramp3[(int)p->ramp];
- p->type = pt_fire;
- for (j=0 ; j<3 ; j++)
- p->org[j] = start[j] + ((rand()%6)-3);
- break;
-
- case 2: // blood
- p->type = pt_grav;
- p->color = 67 + (rand()&3);
- for (j=0 ; j<3 ; j++)
- p->org[j] = start[j] + ((rand()%6)-3);
- break;
-
- case 3:
- case 5: // tracer
- p->die = cl.time + 0.5;
- p->type = pt_static;
- if (type == 3)
- p->color = 52 + ((tracercount&4)<<1);
- else
- p->color = 230 + ((tracercount&4)<<1);
-
- tracercount++;
-
- VectorCopy (start, p->org);
- if (tracercount & 1)
- {
- p->vel[0] = 30*vec[1];
- p->vel[1] = 30*-vec[0];
- }
- else
- {
- p->vel[0] = 30*-vec[1];
- p->vel[1] = 30*vec[0];
- }
- break;
-
- case 4: // slight blood
- p->type = pt_grav;
- p->color = 67 + (rand()&3);
- for (j=0 ; j<3 ; j++)
- p->org[j] = start[j] + ((rand()%6)-3);
- len -= 3;
- break;
-
- case 6: // voor trail
- p->color = 9*16 + 8 + (rand()&3);
- p->type = pt_static;
- p->die = cl.time + 0.3;
- for (j=0 ; j<3 ; j++)
- p->org[j] = start[j] + ((rand()&15)-8);
- break;
- }
-
-
- VectorAdd (start, vec, start);
- }
-}
-
-
-/*
-===============
-R_DrawParticles
-===============
-*/
-extern cvar_t sv_gravity;
-
-void R_DrawParticles (void)
-{
- particle_t *p, *kill;
- float grav;
- int i;
- float time2, time3;
- float time1;
- float dvel;
- float frametime;
-
-#ifdef GLQUAKE
- vec3_t up, right;
- float scale;
-
- GL_Bind(particletexture);
- glEnable (GL_BLEND);
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
- glBegin (GL_TRIANGLES);
-
- VectorScale (vup, 1.5, up);
- VectorScale (vright, 1.5, right);
-#else
- D_StartParticles ();
-
- VectorScale (vright, xscaleshrink, r_pright);
- VectorScale (vup, yscaleshrink, r_pup);
- VectorCopy (vpn, r_ppn);
-#endif
- 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;
- }
-
-#ifdef GLQUAKE
- // hack a scale up to keep particles from disapearing
- scale = (p->org[0] - r_origin[0])*vpn[0] + (p->org[1] - r_origin[1])*vpn[1]
- + (p->org[2] - r_origin[2])*vpn[2];
- if (scale < 20)
- scale = 1;
- else
- scale = 1 + scale * 0.004;
- glColor3ubv ((byte *)&d_8to24table[(int)p->color]);
- glTexCoord2f (0,0);
- glVertex3fv (p->org);
- glTexCoord2f (1,0);
- glVertex3f (p->org[0] + up[0]*scale, p->org[1] + up[1]*scale, p->org[2] + up[2]*scale);
- glTexCoord2f (0,1);
- glVertex3f (p->org[0] + right[0]*scale, p->org[1] + right[1]*scale, p->org[2] + right[2]*scale);
-#else
- D_DrawParticle (p);
-#endif
- 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;
- }
- }
-
-#ifdef GLQUAKE
- glEnd ();
- glDisable (GL_BLEND);
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-#else
- D_EndParticles ();
-#endif
-}
-
+/*
+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 the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+
+#include "quakedef.h"
+#include "r_local.h"
+
+#define MAX_PARTICLES 2048 // default max # of particles at one
+ // time
+#define ABSOLUTE_MIN_PARTICLES 512 // no fewer than this no matter what's
+ // on the command line
+
+int ramp1[8] = {0x6f, 0x6d, 0x6b, 0x69, 0x67, 0x65, 0x63, 0x61};
+int ramp2[8] = {0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x68, 0x66};
+int ramp3[8] = {0x6d, 0x6b, 6, 5, 4, 3};
+
+particle_t *active_particles, *free_particles;
+
+particle_t *particles;
+int r_numparticles;
+
+vec3_t r_pright, r_pup, r_ppn;
+
+
+/*
+===============
+R_InitParticles
+===============
+*/
+void R_InitParticles (void)
+{
+ int i;
+
+ i = COM_CheckParm ("-particles");
+
+ if (i)
+ {
+ r_numparticles = (int)(Q_atoi(com_argv[i+1]));
+ if (r_numparticles < ABSOLUTE_MIN_PARTICLES)
+ r_numparticles = ABSOLUTE_MIN_PARTICLES;
+ }
+ else
+ {
+ r_numparticles = MAX_PARTICLES;
+ }
+
+ particles = (particle_t *)
+ Hunk_AllocName (r_numparticles * sizeof(particle_t), "particles");
+}
+
+#ifdef QUAKE2
+void R_DarkFieldParticles (entity_t *ent)
+{
+ int i, j, k;
+ particle_t *p;
+ float vel;
+ vec3_t dir;
+ vec3_t org;
+
+ org[0] = ent->origin[0];
+ org[1] = ent->origin[1];
+ org[2] = ent->origin[2];
+ for (i=-16 ; i<16 ; i+=8)
+ for (j=-16 ; j<16 ; j+=8)
+ for (k=0 ; k<32 ; k+=8)
+ {
+ if (!free_particles)
+ return;
+ p = free_particles;
+ free_particles = p->next;
+ p->next = active_particles;
+ active_particles = p;
+
+ p->die = cl.time + 0.2 + (rand()&7) * 0.02;
+ p->color = 150 + rand()%6;
+ p->type = pt_slowgrav;
+
+ dir[0] = j*8;
+ dir[1] = i*8;
+ dir[2] = k*8;
+
+ p->org[0] = org[0] + i + (rand()&3);
+ p->org[1] = org[1] + j + (rand()&3);
+ p->org[2] = org[2] + k + (rand()&3);
+
+ VectorNormalize (dir);
+ vel = 50 + (rand()&63);
+ VectorScale (dir, vel, p->vel);
+ }
+}
+#endif
+
+
+/*
+===============
+R_EntityParticles
+===============
+*/
+
+#define NUMVERTEXNORMALS 162
+extern float r_avertexnormals[NUMVERTEXNORMALS][3];
+vec3_t avelocities[NUMVERTEXNORMALS];
+float beamlength = 16;
+vec3_t avelocity = {23, 7, 3};
+float partstep = 0.01;
+float timescale = 0.01;
+
+void R_EntityParticles (entity_t *ent)
+{
+ int count;
+ int i;
+ particle_t *p;
+ float angle;
+ float sr, sp, sy, cr, cp, cy;
+ vec3_t forward;
+ float dist;
+
+ dist = 64;
+ count = 50;
+
+if (!avelocities[0][0])
+{
+for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
+avelocities[0][i] = (rand()&255) * 0.01;
+}
+
+
+ for (i=0 ; i<NUMVERTEXNORMALS ; i++)
+ {
+ angle = cl.time * avelocities[i][0];
+ sy = sin(angle);
+ cy = cos(angle);
+ angle = cl.time * avelocities[i][1];
+ sp = sin(angle);
+ cp = cos(angle);
+ angle = cl.time * avelocities[i][2];
+ sr = sin(angle);
+ cr = cos(angle);
+
+ forward[0] = cp*cy;
+ forward[1] = cp*sy;
+ forward[2] = -sp;
+
+ if (!free_particles)
+ return;
+ p = free_particles;
+ free_particles = p->next;
+ p->next = active_particles;
+ active_particles = p;
+
+ p->die = cl.time + 0.01;
+ p->color = 0x6f;
+ p->type = pt_explode;
+
+ p->org[0] = ent->origin[0] + r_avertexnormals[i][0]*dist + forward[0]*beamlength;
+ p->org[1] = ent->origin[1] + r_avertexnormals[i][1]*dist + forward[1]*beamlength;
+ p->org[2] = ent->origin[2] + r_avertexnormals[i][2]*dist + forward[2]*beamlength;
+ }
+}
+
+
+/*
+===============
+R_ClearParticles
+===============
+*/
+void R_ClearParticles (void)
+{
+ int i;
+
+ free_particles = &particles[0];
+ active_particles = NULL;
+
+ for (i=0 ;i<r_numparticles ; i++)
+ particles[i].next = &particles[i+1];
+ particles[r_numparticles-1].next = NULL;
+}
+
+
+void R_ReadPointFile_f (void)
+{
+ FILE *f;
+ vec3_t org;
+ int r;
+ int c;
+ particle_t *p;
+ char name[MAX_OSPATH];
+
+ sprintf (name,"maps/%s.pts", sv.name);
+
+ COM_FOpenFile (name, &f);
+ if (!f)
+ {
+ Con_Printf ("couldn't open %s\n", name);
+ return;
+ }
+
+ Con_Printf ("Reading %s...\n", name);
+ c = 0;
+ for ( ;; )
+ {
+ r = fscanf (f,"%f %f %f\n", &org[0], &org[1], &org[2]);
+ if (r != 3)
+ break;
+ c++;
+
+ if (!free_particles)
+ {
+ Con_Printf ("Not enough free particles\n");
+ break;
+ }
+ p = free_particles;
+ free_particles = p->next;
+ p->next = active_particles;
+ active_particles = p;
+
+ p->die = 99999;
+ p->color = (-c)&15;
+ p->type = pt_static;
+ VectorCopy (vec3_origin, p->vel);
+ VectorCopy (org, p->org);
+ }
+
+ fclose (f);
+ Con_Printf ("%i points read\n", c);
+}
+
+/*
+===============
+R_ParseParticleEffect
+
+Parse an effect out of the server message
+===============
+*/
+void R_ParseParticleEffect (void)
+{
+ vec3_t org, dir;
+ int i, count, msgcount, color;
+
+ for (i=0 ; i<3 ; i++)
+ org[i] = MSG_ReadCoord ();
+ for (i=0 ; i<3 ; i++)
+ dir[i] = MSG_ReadChar () * (1.0/16);
+ msgcount = MSG_ReadByte ();
+ color = MSG_ReadByte ();
+
+if (msgcount == 255)
+ count = 1024;
+else
+ count = msgcount;
+
+ R_RunParticleEffect (org, dir, color, count);
+}
+
+/*
+===============
+R_ParticleExplosion
+
+===============
+*/
+void R_ParticleExplosion (vec3_t org)
+{
+ int i, j;
+ particle_t *p;
+
+ for (i=0 ; i<1024 ; i++)
+ {
+ if (!free_particles)
+ return;
+ p = free_particles;
+ free_particles = p->next;
+ p->next = active_particles;
+ active_particles = p;
+
+ p->die = cl.time + 5;
+ p->color = ramp1[0];
+ p->ramp = rand()&3;
+ if (i & 1)
+ {
+ p->type = pt_explode;
+ for (j=0 ; j<3 ; j++)
+ {
+ p->org[j] = org[j] + ((rand()%32)-16);
+ p->vel[j] = (rand()%512)-256;
+ }
+ }
+ else
+ {
+ p->type = pt_explode2;
+ for (j=0 ; j<3 ; j++)
+ {
+ p->org[j] = org[j] + ((rand()%32)-16);
+ p->vel[j] = (rand()%512)-256;
+ }
+ }
+ }
+}
+
+/*
+===============
+R_ParticleExplosion2
+
+===============
+*/
+void R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
+{
+ int i, j;
+ particle_t *p;
+ int colorMod = 0;
+
+ for (i=0; i<512; i++)
+ {
+ if (!free_particles)
+ return;
+ p = free_particles;
+ free_particles = p->next;
+ p->next = active_particles;
+ active_particles = p;
+
+ p->die = cl.time + 0.3;
+ p->color = colorStart + (colorMod % colorLength);
+ colorMod++;
+
+ p->type = pt_blob;
+ for (j=0 ; j<3 ; j++)
+ {
+ p->org[j] = org[j] + ((rand()%32)-16);
+ p->vel[j] = (rand()%512)-256;
+ }
+ }
+}
+
+/*
+===============
+R_BlobExplosion
+
+===============
+*/
+void R_BlobExplosion (vec3_t org)
+{
+ int i, j;
+ particle_t *p;
+
+ for (i=0 ; i<1024 ; i++)
+ {
+ if (!free_particles)
+ return;
+ p = free_particles;
+ free_particles = p->next;
+ p->next = active_particles;
+ active_particles = p;
+
+ p->die = cl.time + 1 + (rand()&8)*0.05;
+
+ if (i & 1)
+ {
+ p->type = pt_blob;
+ p->color = 66 + rand()%6;
+ for (j=0 ; j<3 ; j++)
+ {
+ p->org[j] = org[j] + ((rand()%32)-16);
+ p->vel[j] = (rand()%512)-256;
+ }
+ }
+ else
+ {
+ p->type = pt_blob2;
+ p->color = 150 + rand()%6;
+ for (j=0 ; j<3 ; j++)
+ {
+ p->org[j] = org[j] + ((rand()%32)-16);
+ p->vel[j] = (rand()%512)-256;
+ }
+ }
+ }
+}
+
+/*
+===============
+R_RunParticleEffect
+
+===============
+*/
+void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count)
+{
+ int i, j;
+ particle_t *p;
+
+ for (i=0 ; i<count ; i++)
+ {
+ if (!free_particles)
+ return;
+ p = free_particles;
+ free_particles = p->next;
+ p->next = active_particles;
+ active_particles = p;
+
+ if (count == 1024)
+ { // rocket explosion
+ p->die = cl.time + 5;
+ p->color = ramp1[0];
+ p->ramp = rand()&3;
+ if (i & 1)
+ {
+ p->type = pt_explode;
+ for (j=0 ; j<3 ; j++)
+ {
+ p->org[j] = org[j] + ((rand()%32)-16);
+ p->vel[j] = (rand()%512)-256;
+ }
+ }
+ else
+ {
+ p->type = pt_explode2;
+ for (j=0 ; j<3 ; j++)
+ {
+ p->org[j] = org[j] + ((rand()%32)-16);
+ p->vel[j] = (rand()%512)-256;
+ }
+ }
+ }
+ else
+ {
+ p->die = cl.time + 0.1*(rand()%5);
+ p->color = (color&~7) + (rand()&7);
+ p->type = pt_slowgrav;
+ for (j=0 ; j<3 ; j++)
+ {
+ p->org[j] = org[j] + ((rand()&15)-8);
+ p->vel[j] = dir[j]*15;// + (rand()%300)-150;
+ }
+ }
+ }
+}
+
+
+/*
+===============
+R_LavaSplash
+
+===============
+*/
+void R_LavaSplash (vec3_t org)
+{
+ int i, j, k;
+ particle_t *p;
+ float vel;
+ vec3_t dir;
+
+ for (i=-16 ; i<16 ; i++)
+ for (j=-16 ; j<16 ; j++)
+ for (k=0 ; k<1 ; k++)
+ {
+ if (!free_particles)
+ return;
+ p = free_particles;
+ free_particles = p->next;
+ p->next = active_particles;
+ active_particles = p;
+
+ p->die = cl.time + 2 + (rand()&31) * 0.02;
+ p->color = 224 + (rand()&7);
+ p->type = pt_slowgrav;
+
+ dir[0] = j*8 + (rand()&7);
+ dir[1] = i*8 + (rand()&7);
+ dir[2] = 256;
+
+ p->org[0] = org[0] + dir[0];
+ p->org[1] = org[1] + dir[1];
+ p->org[2] = org[2] + (rand()&63);
+
+ VectorNormalize (dir);
+ vel = 50 + (rand()&63);
+ VectorScale (dir, vel, p->vel);
+ }
+}
+
+/*
+===============
+R_TeleportSplash
+
+===============
+*/
+void R_TeleportSplash (vec3_t org)
+{
+ int i, j, k;
+ particle_t *p;
+ float vel;
+ vec3_t dir;
+
+ for (i=-16 ; i<16 ; i+=4)
+ for (j=-16 ; j<16 ; j+=4)
+ for (k=-24 ; k<32 ; k+=4)
+ {
+ if (!free_particles)
+ return;
+ p = free_particles;
+ free_particles = p->next;
+ p->next = active_particles;
+ active_particles = p;
+
+ p->die = cl.time + 0.2 + (rand()&7) * 0.02;
+ p->color = 7 + (rand()&7);
+ p->type = pt_slowgrav;
+
+ dir[0] = j*8;
+ dir[1] = i*8;
+ dir[2] = k*8;
+
+ p->org[0] = org[0] + i + (rand()&3);
+ p->org[1] = org[1] + j + (rand()&3);
+ p->org[2] = org[2] + k + (rand()&3);
+
+ VectorNormalize (dir);
+ vel = 50 + (rand()&63);
+ VectorScale (dir, vel, p->vel);
+ }
+}
+
+void R_RocketTrail (vec3_t start, vec3_t end, int type)
+{
+ vec3_t vec;
+ float len;
+ int j;
+ particle_t *p;
+ int dec;
+ static int tracercount;
+
+ VectorSubtract (end, start, vec);
+ len = VectorNormalize (vec);
+ if (type < 128)
+ dec = 3;
+ else
+ {
+ dec = 1;
+ type -= 128;
+ }
+
+ while (len > 0)
+ {
+ len -= dec;
+
+ if (!free_particles)
+ return;
+ p = free_particles;
+ free_particles = p->next;
+ p->next = active_particles;
+ active_particles = p;
+
+ VectorCopy (vec3_origin, p->vel);
+ p->die = cl.time + 2;
+
+ switch (type)
+ {
+ case 0: // rocket trail
+ p->ramp = (rand()&3);
+ p->color = ramp3[(int)p->ramp];
+ p->type = pt_fire;
+ for (j=0 ; j<3 ; j++)
+ p->org[j] = start[j] + ((rand()%6)-3);
+ break;
+
+ case 1: // smoke smoke
+ p->ramp = (rand()&3) + 2;
+ p->color = ramp3[(int)p->ramp];
+ p->type = pt_fire;
+ for (j=0 ; j<3 ; j++)
+ p->org[j] = start[j] + ((rand()%6)-3);
+ break;
+
+ case 2: // blood
+ p->type = pt_grav;
+ p->color = 67 + (rand()&3);
+ for (j=0 ; j<3 ; j++)
+ p->org[j] = start[j] + ((rand()%6)-3);
+ break;
+
+ case 3:
+ case 5: // tracer
+ p->die = cl.time + 0.5;
+ p->type = pt_static;
+ if (type == 3)
+ p->color = 52 + ((tracercount&4)<<1);
+ else
+ p->color = 230 + ((tracercount&4)<<1);
+
+ tracercount++;
+
+ VectorCopy (start, p->org);
+ if (tracercount & 1)
+ {
+ p->vel[0] = 30*vec[1];
+ p->vel[1] = 30*-vec[0];
+ }
+ else
+ {
+ p->vel[0] = 30*-vec[1];
+ p->vel[1] = 30*vec[0];
+ }
+ break;
+
+ case 4: // slight blood
+ p->type = pt_grav;
+ p->color = 67 + (rand()&3);
+ for (j=0 ; j<3 ; j++)
+ p->org[j] = start[j] + ((rand()%6)-3);
+ len -= 3;
+ break;
+
+ case 6: // voor trail
+ p->color = 9*16 + 8 + (rand()&3);
+ p->type = pt_static;
+ p->die = cl.time + 0.3;
+ for (j=0 ; j<3 ; j++)
+ p->org[j] = start[j] + ((rand()&15)-8);
+ break;
+ }
+
+
+ VectorAdd (start, vec, start);
+ }
+}
+
+
+/*
+===============
+R_DrawParticles
+===============
+*/
+extern cvar_t sv_gravity;
+
+void R_DrawParticles (void)
+{
+ particle_t *p, *kill;
+ float grav;
+ int i;
+ float time2, time3;
+ float time1;
+ float dvel;
+ float frametime;
+
+#ifdef GLQUAKE
+ vec3_t up, right;
+ float scale;
+
+ GL_Bind(particletexture);
+ glEnable (GL_BLEND);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ glBegin (GL_TRIANGLES);
+
+ VectorScale (vup, 1.5, up);
+ VectorScale (vright, 1.5, right);
+#else
+ D_StartParticles ();
+
+ VectorScale (vright, xscaleshrink, r_pright);
+ VectorScale (vup, yscaleshrink, r_pup);
+ VectorCopy (vpn, r_ppn);
+#endif
+ 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;
+ }
+
+#ifdef GLQUAKE
+ // hack a scale up to keep particles from disapearing
+ scale = (p->org[0] - r_origin[0])*vpn[0] + (p->org[1] - r_origin[1])*vpn[1]
+ + (p->org[2] - r_origin[2])*vpn[2];
+ if (scale < 20)
+ scale = 1;
+ else
+ scale = 1 + scale * 0.004;
+ glColor3ubv ((byte *)&d_8to24table[(int)p->color]);
+ glTexCoord2f (0,0);
+ glVertex3fv (p->org);
+ glTexCoord2f (1,0);
+ glVertex3f (p->org[0] + up[0]*scale, p->org[1] + up[1]*scale, p->org[2] + up[2]*scale);
+ glTexCoord2f (0,1);
+ glVertex3f (p->org[0] + right[0]*scale, p->org[1] + right[1]*scale, p->org[2] + right[2]*scale);
+#else
+ D_DrawParticle (p);
+#endif
+ 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;
+ }
+ }
+
+#ifdef GLQUAKE
+ glEnd ();
+ glDisable (GL_BLEND);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+#else
+ D_EndParticles ();
+#endif
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2026-10-05 23:44:22 +0000