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merge the particle system

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This commit is contained in:
Bill Currie 2001-05-29 19:58:35 +00:00
parent 763829560a
commit 18fd21da77
10 changed files with 11 additions and 1368 deletions
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2
libs/video/renderer/Makefile.am
View file

@ -15,7 +15,7 @@ endif
lib_LTLIBRARIES = $(RENDERER_GL) $(RENDERER_SW)
common_SOURCES = r_cvar.c r_efrag.c r_ent.c r_graph.c r_main.c
common_SOURCES = r_cvar.c r_efrag.c r_ent.c r_graph.c r_main.c r_part.c
libQFrenderer_gl_la_LDFLAGS = -version-info 1:0:0
libQFrenderer_gl_la_LIBADD = gl/libgl.la

6
libs/video/renderer/gl/Makefile.am
View file

@ -9,6 +9,6 @@ endif
noinst_LTLIBRARIES = $(GL)
libgl_la_LDFLAGS = -version-info 1:0:0
libgl_la_SOURCES = gl_draw.c gl_dyn_fires.c gl_dyn_textures.c gl_graph.c \
gl_rlight.c gl_rmain.c gl_rmisc.c gl_rsurf.c gl_screen.c gl_skin.c \
gl_sky.c gl_sky_clip.c gl_textures.c gl_warp.c noisetextures.c
libgl_la_SOURCES = gl_draw.c gl_dyn_fires.c gl_dyn_part.c gl_dyn_textures.c \
gl_graph.c gl_rlight.c gl_rmain.c gl_rmisc.c gl_rsurf.c gl_screen.c \
gl_skin.c gl_sky.c gl_sky_clip.c gl_textures.c gl_warp.c noisetextures.c

0
nq/source/gl_dyn_part.c → libs/video/renderer/gl/gl_dyn_part.c
View file

0
nq/source/r_part.c → libs/video/renderer/r_part.c
View file

4
libs/video/renderer/sw/Makefile.am
View file

@ -13,8 +13,8 @@ libsw_la_SOURCES = d_edge.c d_fill.c d_init.c d_modech.c d_part.c d_polyse.c \
d_scan.c d_sky.c d_sprite.c d_surf.c d_vars.c d_zpoint.c draw.c \
nonintel.c screen.c \
sw_graph.c sw_raclip.c sw_ralias.c sw_rbsp.c sw_rdraw.c sw_redge.c \
sw_rlight.c sw_rmain.c sw_rmisc.c sw_rsky.c sw_rsprite.c sw_rsurf.c \
sw_skin.c \
sw_rlight.c sw_rmain.c sw_rmisc.c sw_rpart.c sw_rsky.c sw_rsprite.c \
sw_rsurf.c sw_skin.c \
d_draw.S d_draw16.S d_parta.S d_polysa.S d_scana.S d_spr8.S \
d_varsa.S surf16.S surf8.S sw_raclipa.S sw_raliasa.S sw_rdrawa.S \
sw_redgea.S sw_rvarsa.S \

0
nq/source/sw_rpart.c → libs/video/renderer/sw/sw_rpart.c
View file

6
nq/source/Makefile.am
View file

@ -71,7 +71,7 @@ client_LIB_DEPS= libqfnet.a $(qf_client_LIBS)
client_SOURCES= cl_cam.c cl_cmd.c cl_demo.c cl_input.c cl_main.c cl_screen.c \
cl_parse.c cl_tent.c \
console.c keys.c sbar.c \
r_part.c r_view.c locs.c pcx.c tga.c
r_view.c locs.c pcx.c tga.c
server_SOURCES= host.c host_cmd.c pr_cmds.c sv_cvar.c sv_main.c \
sv_move.c sv_phys.c sv_progs.c sv_user.c
@ -82,7 +82,7 @@ combined_SOURCES= $(common_SOURCES) $(client_SOURCES) $(server_SOURCES) \
# Software-rendering targets
#
# ... Common stuff
soft_SOURCES= sw_rpart.c sw_view.c
soft_SOURCES= sw_view.c
# ... Linux FBDev
nq_fbdev_SOURCES= $(combined_SOURCES) $(soft_SOURCES)
@ -112,7 +112,7 @@ nq_x11_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/mod
# OpenGL-using targets
# ... Common stuff
ogl_SOURCES= gl_dyn_part.c gl_view.c
ogl_SOURCES= gl_view.c
# ... 3Dfx Voodoo 1 and 2 SVGAlib-based console GL
nq_3dfx_SOURCES= $(combined_SOURCES) $(ogl_SOURCES)

4
qw/source/Makefile.am
View file

@ -105,7 +105,7 @@ client_SOURCES= cl_cam.c cl_cmd.c cl_cvar.c cl_demo.c cl_ents.c cl_input.c \
#
# ... Common stuff
soft_SOURCES= sw_rpart.c sw_view.c
soft_SOURCES= sw_view.c
# ... Linux FBDev
qw_client_fbdev_SOURCES= $(common_SOURCES) $(client_SOURCES) $(soft_SOURCES)
@ -136,7 +136,7 @@ qw_client_x11_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../l
# OpenGL-using clients
#
# ... Common stuff
ogl_SOURCES= gl_dyn_part.c gl_view.c
ogl_SOURCES= gl_view.c
# ... 3Dfx Voodoo 1 and 2 SVGAlib-based console GL
qw_client_3dfx_SOURCES= $(common_SOURCES) $(client_SOURCES) $(ogl_SOURCES)

756
qw/source/gl_dyn_part.c
View file

@ -1,756 +0,0 @@
/*
gl_dyn_part.c
OpenGL particle system.
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include "QF/cmd.h"
#include "QF/compat.h"
#include "QF/console.h"
#include "QF/qargs.h"
#include "QF/quakefs.h"
#include "QF/render.h"
#include "QF/sys.h"
#include "QF/varrays.h"
#include "glquake.h"
#include "r_dynamic.h"
#include "r_shared.h"
static particle_t *particles, **freeparticles;
static short r_numparticles, numparticles;
extern qboolean lighthalf;
extern cvar_t *cl_max_particles;
extern int part_tex_dot;
extern int part_tex_spark;
extern int part_tex_smoke[8];
extern int part_tex_smoke_ring[8];
int ramp[8] = { 0x6d, 0x6b, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01 };
inline particle_t *
particle_new (ptype_t type, int texnum, vec3_t org, float scale, vec3_t vel,
float die, byte color, byte alpha, vec3_t up, vec3_t right)
{
particle_t *part;
if (numparticles >= r_numparticles) {
// Con_Printf("FAILED PARTICLE ALLOC!\n");
return NULL;
}
part = &particles[numparticles++];
part->type = type;
VectorCopy (org, part->org);
VectorCopy (vel, part->vel);
part->die = die;
part->color = color;
part->alpha = alpha;
part->tex = texnum;
part->scale = scale;
VectorScale (up, 1.5, part->up);
VectorScale (right, 1.5, part->right);
return part;
}
inline particle_t *
particle_new_random (ptype_t type, int texnum, vec3_t org, int org_fuzz,
float scale, int vel_fuzz, float die, byte color,
byte alpha)
{
vec3_t porg, pvel;
int j;
for (j = 0; j < 3; j++) {
if (org_fuzz)
porg[j] = lhrandom (-org_fuzz, org_fuzz) + org[j];
if (vel_fuzz)
pvel[j] = lhrandom (-vel_fuzz, vel_fuzz);
}
return particle_new (type, texnum, porg, scale, pvel, die, color, alpha, vec3_origin, vec3_origin);
}
/*
R_MaxParticlesCheck
Misty-chan: Dynamically change the maximum amount of particles on the fly.
Thanks to a LOT of help from Taniwha, Deek, Mercury, Lordhavoc, and
lots of others.
*/
void
R_MaxParticlesCheck (cvar_t *var)
{
/*
Catchall. If the user changed the setting to a number less than zero
*or* if we had a wacky cfg get past the init code check, this will
make sure we don't have problems. Also note that grabbing the
var->int_val is IMPORTANT:
Prevents a segfault since if we grabbed the int_val of
cl_max_particles we'd sig11 right here at startup.
*/
r_numparticles = max(var->int_val, 0);
// Be very careful the next time we do something like this.
// calloc/free are IMPORTANT and the compiler doesn't know when we
// do bad things with them.
free (particles);
free (freeparticles);
particles = (particle_t *)
calloc (r_numparticles, sizeof (particle_t));
freeparticles = (particle_t **)
calloc (r_numparticles, sizeof (particle_t*));
R_ClearParticles();
}
void
R_Particles_Init_Cvars (void)
{
// Misty-chan: This is a cvar that does callbacks. Whenever it
// changes, it calls the function R_MaxParticlesCheck and therefore
// is very nifty.
Cvar_Get ("cl_max_particles", "2048", CVAR_ARCHIVE, R_MaxParticlesCheck,
"Maximum amount of particles to display. No maximum, minimum is 0, although it's best to use r_particles 0 instead.");
}
void
R_ClearParticles (void)
{
numparticles = 0;
}
void
R_ReadPointFile_f (void)
{
QFile *f;
vec3_t org;
int r;
int c;
char name[MAX_OSPATH], *mapname, *t1;
mapname = strdup (r_worldentity.model->name);
if (!mapname)
Sys_Error ("Can't duplicate mapname!");
t1 = strrchr (mapname, '.');
if (!t1)
Sys_Error ("Can't find .!");
t1[0] = '\0';
snprintf (name, sizeof (name), "%s.pts", mapname);
free (mapname);
COM_FOpenFile (name, &f);
if (!f) {
Con_Printf ("couldn't open %s\n", name);
return;
}
Con_Printf ("Reading %s...\n", name);
c = 0;
for (;;) {
char buf[64];
Qgets (f, buf, sizeof (buf));
r = sscanf (buf, "%f %f %f\n", &org[0], &org[1], &org[2]);
if (r != 3)
break;
c++;
if (!particle_new (pt_static, part_tex_dot, org, 1.5, vec3_origin,
99999, (-c) & 15, 255, vec3_origin, vec3_origin)) {
Con_Printf ("Not enough free particles\n");
break;
}
}
Qclose (f);
Con_Printf ("%i points read\n", c);
}
void
R_ParticleExplosion (vec3_t org)
{
if (!r_particles->int_val)
return;
particle_new_random (pt_smokecloud, part_tex_smoke[rand () & 7], org, 4, 30,
8, r_realtime + 5, (rand () & 7) + 8,
128 + (rand () & 63));
}
void
R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
{
int i;
int colorMod = 0;
if (!r_particles->int_val)
return;
for (i = 0; i < 512; i++) {
particle_new_random (pt_blob, part_tex_dot, org, 16, 2, 256, (r_realtime + 0.3), (colorStart + (colorMod % colorLength)), 255);
colorMod++;
}
}
void
R_BlobExplosion (vec3_t org)
{
int i;
if (!r_particles->int_val)
return;
for (i = 0; i < 512; i++) {
particle_new_random (pt_blob, part_tex_dot, org, 12, 2, 256,
(r_realtime + 1 + (rand () & 8) * 0.05),
(66 + rand () % 6), 255);
}
for (i = 0; i < 512; i++) {
particle_new_random (pt_blob2, part_tex_dot, org, 12, 2, 256,
(r_realtime + 1 + (rand () & 8) * 0.05),
(150 + rand () % 6), 255);
}
}
static void
R_RunSparkEffect (vec3_t org, int count, int ofuzz)
{
if (!r_particles->int_val)
return;
particle_new (pt_smokecloud, part_tex_smoke[rand () & 7], org,
(ofuzz / 8) * .75, vec3_origin, r_realtime + 99,
12 + (rand () & 3), 96, vec3_origin, vec3_origin);
while (count--)
particle_new_random (pt_fallfadespark, part_tex_spark, org, ofuzz * .75,
1, 96, r_realtime + 5, ramp[rand () % 6],
lhrandom (0, 255));
}
static void
R_RunGunshotEffect (vec3_t org, int count)
{
int scale;
if (!r_particles->int_val)
return;
if (count > 6)
scale = 3;
else
scale = 2;
R_RunSparkEffect (org, count * 10, 8 * scale);
return;
}
static void
R_BloodPuff (vec3_t org, int count)
{
if (!r_particles->int_val)
return;
particle_new (pt_bloodcloud, part_tex_smoke[rand () & 7], org, 9,
vec3_origin, r_realtime + 99, 68 + (rand () & 3), 128,
vec3_origin, vec3_origin);
}
void
R_RunPuffEffect (vec3_t org, particle_effect_t type, byte count)
{
if (!r_particles->int_val)
return;
switch (type) {
case PE_GUNSHOT:
R_RunGunshotEffect (org, count);
break;
case PE_BLOOD:
R_BloodPuff (org, count);
break;
case PE_LIGHTNINGBLOOD:
R_BloodPuff (org, 5 + (rand () & 1));
break;
default:
break;
}
}
void
R_RunParticleEffect (vec3_t org, int color, int count)
{
int i, j, scale;
vec3_t porg;
if (!r_particles->int_val)
return;
if (count > 130)
scale = 3;
else if (count > 20)
scale = 2;
else
scale = 1;
for (i = 0; i < count; i++) {
for (j = 0; j < 3; j++) {
porg[j] = org[j] + scale * ((rand () & 15) - 8);
}
particle_new (pt_grav, part_tex_dot, porg, 1.5, vec3_origin,
(r_realtime + 0.1 * (rand () % 5)),
(color & ~7) + (rand () & 7), 255, vec3_origin, vec3_origin);
}
}
void
R_RunSpikeEffect (vec3_t org, particle_effect_t type)
{
switch (type) {
case PE_SPIKE:
R_RunSparkEffect (org, 5, 8);
break;
case PE_SUPERSPIKE:
R_RunSparkEffect (org, 10, 8);
break;
case PE_KNIGHTSPIKE:
R_RunSparkEffect (org, 10, 8);
break;
case PE_WIZSPIKE:
R_RunSparkEffect (org, 15, 16);
break;
default:
break;
}
}
void
R_LavaSplash (vec3_t org)
{
int i, j;
float vel;
vec3_t dir, porg, pvel;
if (!r_particles->int_val)
return;
for (i = -8; i < 8; i++) {
for (j = -8; j < 8; j++) {
dir[0] = j * 16 + (rand () & 7);
dir[1] = i * 16 + (rand () & 7);
dir[2] = 256;
porg[0] = org[0] + dir[0];
porg[1] = org[1] + dir[1];
porg[2] = org[2] + (rand () & 63);
VectorNormalize (dir);
vel = 50 + (rand () & 63);
VectorScale (dir, vel, pvel);
particle_new (pt_grav, part_tex_dot, porg, 3, pvel,
(r_realtime + 2 + (rand () & 31) * 0.02),
(224 + (rand () & 7)), 193, vec3_origin, vec3_origin);
}
}
}
void
R_TeleportSplash (vec3_t org)
{
int i, j, k;
float vel;
vec3_t dir, porg, pvel;
if (!r_particles->int_val)
return;
for (i = -16; i < 16; i += 4)
for (j = -16; j < 16; j += 4)
for (k = -24; k < 32; k += 4) {
dir[0] = j * 8;
dir[1] = i * 8;
dir[2] = k * 8;
porg[0] = org[0] + i + (rand () & 3);
porg[1] = org[1] + j + (rand () & 3);
porg[2] = org[2] + k + (rand () & 3);
VectorNormalize (dir);
vel = 50 + (rand () & 63);
VectorScale (dir, vel, pvel);
particle_new (pt_grav, part_tex_spark, porg, 0.6, pvel,
(r_realtime + 0.2 + (rand () & 7) * 0.02),
(7 + (rand () & 7)), 255, vec3_origin, vec3_origin);
}
}
void
R_RocketTrail (int type, entity_t *ent)
{
vec3_t vec, subtract;
float len, dist;
int j, ptex;
ptype_t ptype;
vec3_t porg, pvel, up, right;
float pdie, pscale;
byte palpha, pcolor;
if (type == 0)
R_AddFire (ent->old_origin, ent->origin, ent);
if (!r_particles->int_val)
return;
VectorSubtract (ent->origin, ent->old_origin, vec);
len = VectorNormalize (vec);
while (len > 0) {
VectorCopy (vec3_origin, up);
VectorCopy (vec3_origin, right);
VectorCopy (vec3_origin, pvel);
pdie = r_realtime + 2;
ptype = pt_static;
ptex = part_tex_dot;
palpha = 255;
pcolor = 0;
pscale = 6;
dist = 40;
switch (type) {
case 0: // rocket trail
pdie = r_realtime + 60;
// ptype = pt_smokering; // Mercury's Rings
ptype = pt_smoke;
pscale = lhrandom (6, 8);
// pcolor = (rand () & 255); // Misty-chan's Easter Egg
pcolor = (rand () & 3) + 12;
palpha = 128 + (rand () & 31);
// VectorVectors(vec, right, up); // Mercury's Rings
VectorCopy (ent->old_origin, porg);
// ptex = part_tex_smoke_ring[rand () & 7]; // Mercury's Rings
ptex = part_tex_smoke[rand () & 7];
break;
case 1: // grenade trail
ptype = pt_smoke;
pscale = lhrandom (7, 10);
// pcolor = (rand () & 255); // Misty-chan's Easter Egg
pcolor = (rand () & 3);
palpha = 128 + (rand () & 31);
VectorCopy (ent->old_origin, porg);
ptex = part_tex_smoke[rand () & 7];
break;
case 2: // blood
pscale = 5;
case 4: // slight blood
pscale += lhrandom (1, 4);
ptex = part_tex_smoke[rand () & 7];
pcolor = 68 + (rand () & 3);
for (j = 0; j < 3; j++) {
pvel[j] = lhrandom (-3, 3) * type;
porg[j] = ent->old_origin[j] + lhrandom (-1.5, 1.5);
}
ptype = pt_grav;
break;
case 6: // voor trail
// Use smoke ring effects here, once merged with nq? --Despair
dist = 3;
pcolor = 9 * 16 + 8 + (rand () & 3);
ptype = pt_static;
pscale = lhrandom (.75, 1.5);
pdie = r_realtime + 0.3;
for (j = 0; j < 3; j++)
porg[j] = ent->old_origin[j] + lhrandom (-8, 8);
break;
case 3:
case 5: // tracer
{
static int tracercount;
dist = 3;
pdie = r_realtime + 0.5;
ptype = pt_static;
pscale = lhrandom (1.5, 3);
if (type == 3)
pcolor = 52 + ((tracercount & 4) << 1);
else
pcolor = 230 + ((tracercount & 4) << 1);
tracercount++;
VectorCopy (ent->old_origin, porg);
if (tracercount & 1) {
pvel[0] = 30 * vec[1];
pvel[1] = 30 * -vec[0];
} else {
pvel[0] = 30 * -vec[1];
pvel[1] = 30 * vec[0];
}
break;
}
}
VectorScale (vec, min(dist, len), subtract);
VectorAdd (ent->old_origin, subtract, ent->old_origin);
len -= dist;
particle_new (ptype, ptex, porg, pscale, pvel, pdie, pcolor, palpha,
up, right);
}
}
void
R_DrawParticles (void)
{
byte i;
float grav, fast_grav, dvel;
float minparticledist;
unsigned char *at;
byte alpha;
float scale;
particle_t *part;
vec3_t up, right, o_up, o_right;
vec3_t up_scale, right_scale, up_right_scale;
int activeparticles, maxparticle, j, k;
// LordHavoc: particles should not affect zbuffer
glDepthMask (GL_FALSE);
VectorScale (vup, 1.5, o_up);
VectorScale (vright, 1.5, o_right);
varray[0].texcoord[0] = 0; varray[0].texcoord[1] = 1;
varray[1].texcoord[0] = 0; varray[1].texcoord[1] = 0;
varray[2].texcoord[0] = 1; varray[2].texcoord[1] = 0;
varray[3].texcoord[0] = 1; varray[3].texcoord[1] = 1;
grav = (fast_grav = r_frametime * 800) * 0.05;
dvel = 4 * r_frametime;
minparticledist = DotProduct (r_refdef.vieworg, vpn) + 32.0f;
activeparticles = 0;
maxparticle = -1;
j = 0;
for (k = 0, part = particles; k < numparticles; k++, part++) {
// LordHavoc: this is probably no longer necessary, as it is
// checked at the end, but could still happen on weird particle
// effects, left for safety...
if (part->die <= r_realtime) {
freeparticles[j++] = part;
continue;
}
maxparticle = k;
activeparticles++;
// Don't render particles too close to us.
// Note, we must still do physics and such on them.
if (!(DotProduct (part->org, vpn) < minparticledist) &&
r_particles->int_val) {
at = (byte *) & d_8to24table[(byte) part->color];
alpha = part->alpha;
#define mVectorCompare(x, y) ((x[0] == y[0]) && (x[1] == y[1]) && (x[2] == y[2]))
if (mVectorCompare(part->up, part->right)) {
memcpy(up, o_up, sizeof(up));
memcpy(right, o_right, sizeof(right));
} else {
memcpy(up, part->up, sizeof(up));
memcpy(right, part->right, sizeof(right));
}
if (lighthalf) {
varray[0].color[0] = (float) ((int) at[0] >> 1) / 255;
varray[0].color[1] = (float) ((int) at[1] >> 1) / 255;
varray[0].color[2] = (float) ((int) at[2] >> 1) / 255;
} else {
varray[0].color[0] = (float) at[0] / 255;
varray[0].color[1] = (float) at[1] / 255;
varray[0].color[2] = (float) at[2] / 255;
}
varray[0].color[3] = (float) alpha / 255;
memcpy(varray[1].color, varray[0].color, sizeof(varray[0].color));
memcpy(varray[2].color, varray[0].color, sizeof(varray[0].color));
memcpy(varray[3].color, varray[0].color, sizeof(varray[0].color));
scale = part->scale;
up_scale[0] = up[0] * scale;
up_scale[1] = up[1] * scale;
up_scale[2] = up[2] * scale;
right_scale[0] = right[0] * scale;
right_scale[1] = right[1] * scale;
right_scale[2] = right[2] * scale;
up_right_scale[0] = (up[0] + right[0]) * scale;
up_right_scale[1] = (up[1] + right[1]) * scale;
up_right_scale[2] = (up[2] + right[2]) * scale;
varray[0].vertex[0] = part->org[0] + up_right_scale[0];
varray[0].vertex[1] = part->org[1] + up_right_scale[1];
varray[0].vertex[2] = part->org[2] + up_right_scale[2];
varray[1].vertex[0] = part->org[0] - up_scale[0] + right_scale[0];
varray[1].vertex[1] = part->org[1] - up_scale[1] + right_scale[1];
varray[1].vertex[2] = part->org[2] - up_scale[2] + right_scale[2];
varray[2].vertex[0] = part->org[0] - up_right_scale[0];
varray[2].vertex[1] = part->org[1] - up_right_scale[1];
varray[2].vertex[2] = part->org[2] - up_right_scale[2];
varray[3].vertex[0] = part->org[0] + up_scale[0] - right_scale[0];
varray[3].vertex[1] = part->org[1] + up_scale[1] - right_scale[1];
varray[3].vertex[2] = part->org[2] + up_scale[2] - right_scale[2];
glBindTexture (GL_TEXTURE_2D, part->tex);
glDrawArrays (GL_QUADS, 0, 4);
}
for (i = 0; i < 3; i++)
part->org[i] += part->vel[i] * r_frametime;
switch (part->type) {
case pt_static:
break;
case pt_blob:
for (i = 0; i < 3; i++)
part->vel[i] += part->vel[i] * dvel;
part->vel[2] -= grav;
break;
case pt_blob2:
for (i = 0; i < 2; i++)
part->vel[i] -= part->vel[i] * dvel;
part->vel[2] -= grav;
break;
case pt_grav:
part->vel[2] -= grav;
break;
case pt_smoke:
if ((part->alpha -= r_frametime * 90) < 1)
part->die = -1;
part->scale += r_frametime * 6;
// part->org[2] += r_frametime * 30;
break;
case pt_smokering:
if ((part->alpha -= r_frametime * 130) < 1)
part->die = -1;
part->scale += r_frametime * 10;
// part->org[2] += r_frametime * 30;
break;
case pt_smokecloud:
if ((part->alpha -= r_frametime * 128) < 1)
{
part->die = -1;
break;
}
part->scale += r_frametime * 60;
part->org[2] += r_frametime * 30;
break;
case pt_bloodcloud:
if ((part->alpha -= r_frametime * 64) < 1)
{
part->die = -1;
break;
}
part->scale += r_frametime * 4;
part->vel[2] -= grav;
break;
case pt_fadespark:
if ((part->alpha -= r_frametime * 256) < 1)
part->die = -1;
part->vel[2] -= grav;
break;
case pt_fadespark2:
if ((part->alpha -= r_frametime * 512) < 1)
part->die = -1;
part->vel[2] -= grav;
break;
case pt_fallfadespark:
if ((part->alpha -= r_frametime * 256) < 1)
part->die = -1;
part->vel[2] -= fast_grav;
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;
}
k = 0;
while (maxparticle >= activeparticles) {
*freeparticles[k++] = particles[maxparticle--];
while (maxparticle >= activeparticles &&
particles[maxparticle].die <= r_realtime)
maxparticle--;
}
numparticles = activeparticles;
glColor3ubv (lighthalf_v);
glDepthMask (GL_TRUE);
}

601
qw/source/sw_rpart.c
View file

@ -1,601 +0,0 @@
/*
sw_rpart.c
(description)
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include "QF/compat.h"
#include "QF/console.h"
#include "QF/qargs.h"
#include "QF/quakefs.h"
#include "QF/render.h"
#include "r_cvar.h"
#include "r_dynamic.h"
#include "r_local.h"
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_MaxParticlesCheck
Misty-chan: EXTREME heavy lifting and bugfixing thanks goes out to taniwha
- I built this, and he got it working :)
*/
void
R_MaxParticlesCheck (cvar_t *var)
{
// Do not use 0 in this! sw doesn't grok 0 and it'll segfault if we do!
r_numparticles = max(var->int_val, 1);
/*
Debugging code. will print what the above was set to, and is also useful
for checking if this is accidentally being run all the time.
Con_Printf ("%d", r_numparticles);
*/
if (particles)
free (particles);
particles = (particle_t *) calloc (r_numparticles, sizeof (particle_t));
R_ClearParticles ();
}
void
R_Particles_Init_Cvars (void)
{
// Does a callback to R_MaxParticleCheck when the cvar changes. Neat trick.
Cvar_Get ("cl_max_particles", "2048", CVAR_ARCHIVE, R_MaxParticlesCheck,
"Maximum amount of particles to display. No maximum, minimum is 1.");
}
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)
{
QFile *f;
vec3_t org;
int r;
int c;
particle_t *p;
char name[MAX_OSPATH];
// FIXME snprintf (name, sizeof (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 (;;) {
char buf[64];
Qgets (f, buf, sizeof (buf));
r = sscanf (buf, "%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);
}
Qclose (f);
Con_Printf ("%i points read\n", c);
}
void
R_RunSpikeEffect (vec3_t pos, particle_effect_t type)
{
switch (type) {
case PE_WIZSPIKE:
R_RunParticleEffect (pos, 20, 30);
break;
case PE_KNIGHTSPIKE:
R_RunParticleEffect (pos, 226, 20);
break;
case PE_SPIKE:
R_RunParticleEffect (pos, 0, 10);
break;
case PE_SUPERSPIKE:
R_RunParticleEffect (pos, 0, 20);
break;
default:
break;
}
}
void
R_RunPuffEffect (vec3_t pos, particle_effect_t type, byte cnt)
{
if (!r_particles->int_val)
return;
switch (type) {
case PE_GUNSHOT:
R_RunParticleEffect (pos, 0, 20 * cnt);
break;
case PE_BLOOD:
R_RunParticleEffect (pos, 73, 20 * cnt);
break;
case PE_LIGHTNINGBLOOD:
R_RunParticleEffect (pos, 225, 50);
break;
default:
break;
}
}
void
R_ParticleExplosion (vec3_t org)
{
int i, j;
particle_t *p;
if (!r_particles->int_val)
return;
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 = r_realtime + 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;
}
}
}
}
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 = r_realtime + 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;
}
}
}
void
R_BlobExplosion (vec3_t org)
{
int i, j;
particle_t *p;
if (!r_particles->int_val)
return;
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 = r_realtime + 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;
}
}
}
}
void
R_RunParticleEffect (vec3_t org, int color, int count)
{
int i, j;
particle_t *p;
int scale;
if (!r_particles->int_val)
return;
if (count > 130)
scale = 3;
else if (count > 20)
scale = 2;
else
scale = 1;
for (i = 0; i < count; i++) {
if (!free_particles)
return;
p = free_particles;
free_particles = p->next;
p->next = active_particles;
active_particles = p;
p->die = r_realtime + 0.1 * (rand () % 5);
p->color = (color & ~7) + (rand () & 7);
p->type = pt_grav;
for (j = 0; j < 3; j++) {
p->org[j] = org[j] + scale * ((rand () & 15) - 8);
p->vel[j] = vec3_origin[j]; // + (rand()%300)-150;
}
}
}
void
R_LavaSplash (vec3_t org)
{
int i, j, k;
particle_t *p;
float vel;
vec3_t dir;
if (!r_particles->int_val)
return;
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 = r_realtime + 2 + (rand () & 31) * 0.02;
p->color = 224 + (rand () & 7);
p->type = pt_grav;
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);
}
}
void
R_TeleportSplash (vec3_t org)
{
int i, j, k;
particle_t *p;
float vel;
vec3_t dir;
if (!r_particles->int_val)
return;
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 = r_realtime + 0.2 + (rand () & 7) * 0.02;
p->color = 7 + (rand () & 7);
p->type = pt_grav;
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 (int type, entity_t *ent)
{
vec3_t vec;
float len;
int j;
particle_t *p;
if (!r_particles->int_val)
return;
VectorSubtract (ent->origin, ent->old_origin, vec);
len = VectorNormalize (vec);
while (len > 0) {
len -= 3;
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 = r_realtime + 2;
if (type == 4) { // slight blood
p->type = pt_slowgrav;
p->color = 67 + (rand () & 3);
for (j = 0; j < 3; j++)
p->org[j] = ent->old_origin[j] + ((rand () % 6) - 3);
len -= 3;
} else if (type == 2) { // blood
p->type = pt_slowgrav;
p->color = 67 + (rand () & 3);
for (j = 0; j < 3; j++)
p->org[j] = ent->old_origin[j] + ((rand () % 6) - 3);
} else if (type == 6) { // voor trail
p->color = 9 * 16 + 8 + (rand () & 3);
p->type = pt_static;
p->die = r_realtime + 0.3;
for (j = 0; j < 3; j++)
p->org[j] = ent->old_origin[j] + ((rand () & 15) - 8);
} else if (type == 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] = ent->old_origin[j] + ((rand () % 6) - 3);
} else if (type == 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] = ent->old_origin[j] + ((rand () % 6) - 3);
} else if (type == 3 || type == 5) { // tracer
static int tracercount;
p->die = r_realtime + 0.5;
p->type = pt_static;
if (type == 3)
p->color = 52 + ((tracercount & 4) << 1);
else
p->color = 230 + ((tracercount & 4) << 1);
tracercount++;
VectorCopy (ent->old_origin, 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];
}
}
VectorAdd (ent->old_origin, vec, ent->old_origin);
}
}
void
R_DrawParticles (void)
{
particle_t *p, **particle;
float grav;
int i;
float time2, time3;
float time1;
float dvel;
float frametime;
D_StartParticles ();
VectorScale (vright, xscaleshrink, r_pright);
VectorScale (vup, yscaleshrink, r_pup);
VectorCopy (vpn, r_ppn);
frametime = r_frametime;
time3 = frametime * 15;
time2 = frametime * 10; // 15;
time1 = frametime * 5;
grav = frametime * 800 * 0.05;
dvel = 4 * frametime;
for (particle = &active_particles; *particle;) {
if ((*particle)->die < r_realtime) {
p = (*particle)->next;
(*particle)->next = free_particles;
free_particles = (*particle);
(*particle) = p;
} else {
p = *particle;
particle = &(*particle)->next;
D_DrawParticle (p);
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_slowgrav:
case pt_grav:
p->vel[2] -= grav;
break;
default:
Con_DPrintf ("unhandled particle type %d\n", p->type);
break;
}
}
}
D_EndParticles ();
}