mirror of
https://github.com/Shpoike/Quakespasm.git
synced 2024-11-10 07:21:58 +00:00
983af887bf
git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@557 af15c1b1-3010-417e-b628-4374ebc0bcbd
1013 lines
21 KiB
C
1013 lines
21 KiB
C
/*
|
|
Copyright (C) 1996-2001 Id Software, Inc.
|
|
Copyright (C) 2002-2009 John Fitzgibbons and others
|
|
Copyright (C) 2007-2008 Kristian Duske
|
|
|
|
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"
|
|
|
|
#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, *particles;
|
|
|
|
vec3_t r_pright, r_pup, r_ppn;
|
|
|
|
int r_numparticles;
|
|
|
|
gltexture_t *particletexture, *particletexture1, *particletexture2, *particletexture3, *particletexture4; //johnfitz
|
|
float texturescalefactor; //johnfitz -- compensate for apparent size of different particle textures
|
|
|
|
cvar_t r_particles = {"r_particles","1", true}; //johnfitz
|
|
cvar_t r_quadparticles = {"r_quadparticles","1", true}; //johnfitz
|
|
|
|
/*
|
|
===============
|
|
R_ParticleTextureLookup -- johnfitz -- generate nice antialiased 32x32 circle for particles
|
|
===============
|
|
*/
|
|
int R_ParticleTextureLookup (int x, int y, int sharpness)
|
|
{
|
|
int r; //distance from point x,y to circle origin, squared
|
|
int a; //alpha value to return
|
|
|
|
x -= 16;
|
|
y -= 16;
|
|
r = x * x + y * y;
|
|
r = r > 255 ? 255 : r;
|
|
a = sharpness * (255 - r);
|
|
a = q_min(a,255);
|
|
return a;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_InitParticleTextures -- johnfitz -- rewritten
|
|
===============
|
|
*/
|
|
void R_InitParticleTextures (void)
|
|
{
|
|
int x,y;
|
|
static byte particle1_data[64*64*4];
|
|
static byte particle2_data[2*2*4];
|
|
static byte particle3_data[64*64*4];
|
|
byte *dst;
|
|
|
|
// particle texture 1 -- circle
|
|
dst = particle1_data;
|
|
for (x=0 ; x<64 ; x++)
|
|
for (y=0 ; y<64 ; y++)
|
|
{
|
|
*dst++ = 255;
|
|
*dst++ = 255;
|
|
*dst++ = 255;
|
|
*dst++ = R_ParticleTextureLookup(x, y, 8);
|
|
}
|
|
particletexture1 = TexMgr_LoadImage (NULL, "particle1", 64, 64, SRC_RGBA, particle1_data, "", (src_offset_t)particle1_data, TEXPREF_PERSIST | TEXPREF_ALPHA | TEXPREF_LINEAR);
|
|
|
|
// particle texture 2 -- square
|
|
dst = particle2_data;
|
|
for (x=0 ; x<2 ; x++)
|
|
for (y=0 ; y<2 ; y++)
|
|
{
|
|
*dst++ = 255;
|
|
*dst++ = 255;
|
|
*dst++ = 255;
|
|
*dst++ = x || y ? 0 : 255;
|
|
}
|
|
particletexture2 = TexMgr_LoadImage (NULL, "particle2", 2, 2, SRC_RGBA, particle2_data, "", (src_offset_t)particle2_data, TEXPREF_PERSIST | TEXPREF_ALPHA | TEXPREF_NEAREST);
|
|
|
|
// particle texture 3 -- blob
|
|
dst = particle3_data;
|
|
for (x=0 ; x<64 ; x++)
|
|
for (y=0 ; y<64 ; y++)
|
|
{
|
|
*dst++ = 255;
|
|
*dst++ = 255;
|
|
*dst++ = 255;
|
|
*dst++ = R_ParticleTextureLookup(x, y, 2);
|
|
}
|
|
particletexture3 = TexMgr_LoadImage (NULL, "particle3", 64, 64, SRC_RGBA, particle3_data, "", (src_offset_t)particle3_data, TEXPREF_PERSIST | TEXPREF_ALPHA | TEXPREF_LINEAR);
|
|
|
|
|
|
//set default
|
|
particletexture = particletexture1;
|
|
texturescalefactor = 1.27;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_SetParticleTexture_f -- johnfitz
|
|
===============
|
|
*/
|
|
static void R_SetParticleTexture_f (cvar_t *var)
|
|
{
|
|
switch ((int)(r_particles.value))
|
|
{
|
|
case 1:
|
|
particletexture = particletexture1;
|
|
texturescalefactor = 1.27;
|
|
break;
|
|
case 2:
|
|
particletexture = particletexture2;
|
|
texturescalefactor = 1.0;
|
|
break;
|
|
// case 3:
|
|
// particletexture = particletexture3;
|
|
// texturescalefactor = 1.5;
|
|
// break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
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");
|
|
|
|
Cvar_RegisterVariable (&r_particles, R_SetParticleTexture_f); //johnfitz
|
|
Cvar_RegisterVariable (&r_quadparticles, NULL); //johnfitz
|
|
|
|
R_InitParticleTextures (); //johnfitz
|
|
}
|
|
|
|
/*
|
|
===============
|
|
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 i;
|
|
particle_t *p;
|
|
float angle;
|
|
float sp, sy, cp, cy;
|
|
// float sr, cr;
|
|
// int count;
|
|
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;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_ReadPointFile_f
|
|
===============
|
|
*/
|
|
void R_ReadPointFile_f (void)
|
|
{
|
|
FILE *f;
|
|
vec3_t org;
|
|
int r;
|
|
int c;
|
|
particle_t *p;
|
|
char name[MAX_OSPATH];
|
|
|
|
q_snprintf (name, sizeof(name), "maps/%s.pts", sv.name);
|
|
|
|
COM_FOpenFile (name, &f, NULL);
|
|
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);
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_RocketTrail
|
|
|
|
FIXME -- rename function and use #defined types instead of numbers
|
|
===============
|
|
*/
|
|
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);
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
CL_RunParticles -- johnfitz -- all the particle behavior, separated from R_DrawParticles
|
|
===============
|
|
*/
|
|
void CL_RunParticles (void)
|
|
{
|
|
particle_t *p, *kill;
|
|
int i;
|
|
float time1, time2, time3, dvel, frametime, grav;
|
|
extern cvar_t sv_gravity;
|
|
|
|
frametime = cl.time - cl.oldtime;
|
|
time3 = frametime * 15;
|
|
time2 = frametime * 10;
|
|
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;
|
|
}
|
|
|
|
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:
|
|
case pt_slowgrav:
|
|
p->vel[2] -= grav;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_DrawParticles -- johnfitz -- moved all non-drawing code to CL_RunParticles
|
|
===============
|
|
*/
|
|
void R_DrawParticles (void)
|
|
{
|
|
particle_t *p;
|
|
float scale;
|
|
vec3_t up, right, p_up, p_right, p_upright; //johnfitz -- p_ vectors
|
|
GLubyte color[4], *c; //johnfitz -- particle transparency
|
|
extern cvar_t r_particles; //johnfitz
|
|
//float alpha; //johnfitz -- particle transparency
|
|
|
|
if (!r_particles.value)
|
|
return;
|
|
|
|
VectorScale (vup, 1.5, up);
|
|
VectorScale (vright, 1.5, right);
|
|
|
|
GL_Bind(particletexture);
|
|
glEnable (GL_BLEND);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
glDepthMask (GL_FALSE); //johnfitz -- fix for particle z-buffer bug
|
|
|
|
if (r_quadparticles.value) //johnitz -- quads save fillrate
|
|
{
|
|
glBegin (GL_QUADS);
|
|
for (p=active_particles ; p ; p=p->next)
|
|
{
|
|
// 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 + 0.08; //johnfitz -- added .08 to be consistent
|
|
else
|
|
scale = 1 + scale * 0.004;
|
|
|
|
scale /= 2.0; //quad is half the size of triangle
|
|
|
|
scale *= texturescalefactor; //johnfitz -- compensate for apparent size of different particle textures
|
|
|
|
//johnfitz -- particle transparency and fade out
|
|
c = (GLubyte *) &d_8to24table[(int)p->color];
|
|
color[0] = c[0];
|
|
color[1] = c[1];
|
|
color[2] = c[2];
|
|
//alpha = CLAMP(0, p->die + 0.5 - cl.time, 1);
|
|
color[3] = 255; //(int)(alpha * 255);
|
|
glColor4ubv(color);
|
|
//johnfitz
|
|
|
|
glTexCoord2f (0,0);
|
|
glVertex3fv (p->org);
|
|
|
|
glTexCoord2f (0.5,0);
|
|
VectorMA (p->org, scale, up, p_up);
|
|
glVertex3fv (p_up);
|
|
|
|
glTexCoord2f (0.5,0.5);
|
|
VectorMA (p_up, scale, right, p_upright);
|
|
glVertex3fv (p_upright);
|
|
|
|
glTexCoord2f (0,0.5);
|
|
VectorMA (p->org, scale, right, p_right);
|
|
glVertex3fv (p_right);
|
|
|
|
rs_particles++; //johnfitz //FIXME: just use r_numparticles
|
|
}
|
|
glEnd ();
|
|
}
|
|
else //johnitz -- triangles save verts
|
|
{
|
|
glBegin (GL_TRIANGLES);
|
|
for (p=active_particles ; p ; p=p->next)
|
|
{
|
|
// 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 + 0.08; //johnfitz -- added .08 to be consistent
|
|
else
|
|
scale = 1 + scale * 0.004;
|
|
|
|
scale *= texturescalefactor; //johnfitz -- compensate for apparent size of different particle textures
|
|
|
|
//johnfitz -- particle transparency and fade out
|
|
c = (GLubyte *) &d_8to24table[(int)p->color];
|
|
color[0] = c[0];
|
|
color[1] = c[1];
|
|
color[2] = c[2];
|
|
//alpha = CLAMP(0, p->die + 0.5 - cl.time, 1);
|
|
color[3] = 255; //(int)(alpha * 255);
|
|
glColor4ubv(color);
|
|
//johnfitz
|
|
|
|
glTexCoord2f (0,0);
|
|
glVertex3fv (p->org);
|
|
|
|
glTexCoord2f (1,0);
|
|
VectorMA (p->org, scale, up, p_up);
|
|
glVertex3fv (p_up);
|
|
|
|
glTexCoord2f (0,1);
|
|
VectorMA (p->org, scale, right, p_right);
|
|
glVertex3fv (p_right);
|
|
|
|
rs_particles++; //johnfitz //FIXME: just use r_numparticles
|
|
}
|
|
glEnd ();
|
|
}
|
|
|
|
glDepthMask (GL_TRUE); //johnfitz -- fix for particle z-buffer bug
|
|
glDisable (GL_BLEND);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
glColor3f(1,1,1);
|
|
}
|
|
|
|
|
|
/*
|
|
===============
|
|
R_DrawParticles_ShowTris -- johnfitz
|
|
===============
|
|
*/
|
|
void R_DrawParticles_ShowTris (void)
|
|
{
|
|
particle_t *p;
|
|
float scale;
|
|
vec3_t up, right, p_up, p_right, p_upright;
|
|
extern cvar_t r_particles;
|
|
|
|
if (!r_particles.value)
|
|
return;
|
|
|
|
VectorScale (vup, 1.5, up);
|
|
VectorScale (vright, 1.5, right);
|
|
|
|
if (r_quadparticles.value)
|
|
{
|
|
for (p=active_particles ; p ; p=p->next)
|
|
{
|
|
glBegin (GL_TRIANGLE_FAN);
|
|
|
|
// 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 + 0.08; //johnfitz -- added .08 to be consistent
|
|
else
|
|
scale = 1 + scale * 0.004;
|
|
|
|
scale /= 2.0; //quad is half the size of triangle
|
|
|
|
scale *= texturescalefactor; //compensate for apparent size of different particle textures
|
|
|
|
glVertex3fv (p->org);
|
|
|
|
VectorMA (p->org, scale, up, p_up);
|
|
glVertex3fv (p_up);
|
|
|
|
VectorMA (p_up, scale, right, p_upright);
|
|
glVertex3fv (p_upright);
|
|
|
|
VectorMA (p->org, scale, right, p_right);
|
|
glVertex3fv (p_right);
|
|
|
|
glEnd ();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
glBegin (GL_TRIANGLES);
|
|
for (p=active_particles ; p ; p=p->next)
|
|
{
|
|
// 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 + 0.08; //johnfitz -- added .08 to be consistent
|
|
else
|
|
scale = 1 + scale * 0.004;
|
|
|
|
scale *= texturescalefactor; //compensate for apparent size of different particle textures
|
|
|
|
glVertex3fv (p->org);
|
|
|
|
VectorMA (p->org, scale, up, p_up);
|
|
glVertex3fv (p_up);
|
|
|
|
VectorMA (p->org, scale, right, p_right);
|
|
glVertex3fv (p_right);
|
|
}
|
|
glEnd ();
|
|
}
|
|
}
|
|
|