mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-26 22:31:05 +00:00
db01650dac
Still work with gcc, of course, and I still need to fix them properly, but now they're actually slightly easier to find as they all have vec_t and FIXME on the same line.
1291 lines
30 KiB
C
1291 lines
30 KiB
C
/*
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cl_particles.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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#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/cvar.h"
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#include "QF/mersenne.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/va.h"
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#include "QF/plugin/vid_render.h" //FIXME
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#include "QF/scene/entity.h"
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#include "compat.h"
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#include "client/particles.h"
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float cl_frametime;
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float cl_realtime;
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cl_particle_funcs_t *clp_funcs;
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static mtstate_t mt; // private PRNG state
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static psystem_t *cl_psystem;
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static cvar_t *easter_eggs;
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static cvar_t *particles_style;
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static int ramp[] = {
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/*ramp1*/ 0x6f, 0x6d, 0x6b, 0x69, 0x67, 0x65, 0x63, 0x61,
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/*ramp2*/ 0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x68, 0x66,
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/*ramp3*/ 0x6d, 0x6b, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01,
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};
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static partparm_t part_params[] = {
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[pt_static] = {{0, 0, 0, 0}, 0, 1, 0, 0},
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[pt_grav] = {{0, 0, 0, 0.05}, 0, 1, 0, 0},
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[pt_slowgrav] = {{0, 0, 0, 0.05}, 0, 1, 0, 0},
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[pt_fire] = {{0, 0, 0, 0.05}, 5, 6, 0, 5./6},
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[pt_explode] = {{4, 4, 4, 0.05}, 10, 8, 0, 0},
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[pt_explode2] = {{1, 1, 1, 0.05}, 15, 8, 0, 0},
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[pt_blob] = {{4, 4, 4, 0.05}, 0, 1, 0, 0},
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[pt_blob2] = {{4, 4, 0, 0.05}, 0, 1, 0, 0},
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[pt_smoke] = {{0, 0, 0, 0}, 0, 1, 4, 0.4},
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[pt_smokecloud] = {{0, 0, 0, 0.0375}, 0, 1, 50, 0.55},
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[pt_bloodcloud] = {{0, 0, 0, 0.05}, 0, 1, 4, 0.25},
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[pt_fadespark] = {{0, 0, 0, 0}, 0, 1, 0, 0},
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[pt_fadespark2] = {{0, 0, 0, 0}, 0, 1, 0, 0},
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[pt_fallfade] = {{0, 0, 0, 1}, 0, 1, 0, 1},
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[pt_fallfadespark] = {{0, 0, 0, 1}, 15, 8, 0, 1},
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[pt_flame] = {{0, 0, 0, 0}, 0, 1, -2, 0.125},
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};
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static const int *part_ramps[] = {
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[pt_fire] = ramp + 2 * 8, // ramp3
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[pt_explode] = ramp + 0 * 8, // ramp1
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[pt_explode2] = ramp + 1 * 8, // ramp2
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[pt_fallfadespark] = ramp + 0 * 8, // ramp1
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[pt_flame] = 0,
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};
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static partparm_t __attribute__((pure))
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particle_params (ptype_t type)
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{
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if (type > pt_flame) {
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Sys_Error ("particle_params: invalid particle type");
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}
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return part_params[type];
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}
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static const int * __attribute__((pure))
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particle_ramp (ptype_t type)
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{
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if (type > pt_flame) {
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Sys_Error ("particle_ramp: invalid particle type");
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}
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return part_ramps[type];
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}
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inline static int
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particle_new (ptype_t type, int texnum, vec4f_t pos, float scale,
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vec4f_t vel, float live, int color, float alpha, float ramp)
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{
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if (cl_psystem->numparticles >= cl_psystem->maxparticles) {
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return 0;
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}
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__auto_type ps = cl_psystem;
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particle_t *p = &ps->particles[ps->numparticles];
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partparm_t *parm = &ps->partparams[ps->numparticles];
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const int **rampptr = &ps->partramps[ps->numparticles];
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ps->numparticles += 1;
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p->pos = pos;
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p->vel = vel;
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p->icolor = color;
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p->alpha = alpha;
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p->tex = texnum;
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p->ramp = ramp;
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p->scale = scale;
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p->live = live;
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*parm = particle_params (type);
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*rampptr = particle_ramp (type);
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if (*rampptr) {
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p->icolor = (*rampptr) [(int) p->ramp];
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}
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return 1;
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}
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/*
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particle_new_random
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note that org_fuzz & vel_fuzz should be ints greater than 0 if you are
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going to bother using this function.
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*/
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inline static int
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particle_new_random (ptype_t type, int texnum, vec4f_t org, int org_fuzz,
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float scale, int vel_fuzz, float live, int color,
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float alpha, float ramp)
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{
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float o_fuzz = org_fuzz, v_fuzz = vel_fuzz;
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int rnd;
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vec4f_t porg, pvel;
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rnd = mtwist_rand (&mt);
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porg[0] = o_fuzz * ((rnd & 63) - 31.5) / 63.0 + org[0];
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porg[1] = o_fuzz * (((rnd >> 6) & 63) - 31.5) / 63.0 + org[1];
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porg[2] = o_fuzz * (((rnd >> 10) & 63) - 31.5) / 63.0 + org[2];
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porg[3] = 1;
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rnd = mtwist_rand (&mt);
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pvel[0] = v_fuzz * ((rnd & 63) - 31.5) / 63.0;
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pvel[1] = v_fuzz * (((rnd >> 6) & 63) - 31.5) / 63.0;
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pvel[2] = v_fuzz * (((rnd >> 10) & 63) - 31.5) / 63.0;
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pvel[3] = 0;
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return particle_new (type, texnum, porg, scale, pvel, live, color, alpha,
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ramp);
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}
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/*
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inline static void
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particle_new_veryrandom (ptype_t type, int texnum, vec4f_t org,
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int org_fuzz, float scale, int vel_fuzz, float live,
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int color, float alpha, float ramp)
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{
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vec3_t porg, pvel;
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porg[0] = qfrandom (org_fuzz * 2) - org_fuzz + org[0];
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porg[1] = qfrandom (org_fuzz * 2) - org_fuzz + org[1];
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porg[2] = qfrandom (org_fuzz * 2) - org_fuzz + org[2];
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pvel[0] = qfrandom (vel_fuzz * 2) - vel_fuzz;
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pvel[1] = qfrandom (vel_fuzz * 2) - vel_fuzz;
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pvel[2] = qfrandom (vel_fuzz * 2) - vel_fuzz;
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particle_new (type, texnum, porg, scale, pvel, live, color, alpha, ramp);
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}
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*/
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static vec4f_t
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roffs (int mod)
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{
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vec4f_t offs = {
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(mtwist_rand (&mt) % mod) - 0.5 * (mod - 1),
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(mtwist_rand (&mt) % mod) - 0.5 * (mod - 1),
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(mtwist_rand (&mt) % mod) - 0.5 * (mod - 1),
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0
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};
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return offs;
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}
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static vec4f_t
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tracer_vel (int tracercount, vec4f_t vec)
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{
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if (tracercount & 1) {
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return (vec4f_t) { vec[1], -vec[0], 0, 0 };
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} else {
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return (vec4f_t) { -vec[1], vec[0], 0, 0 };
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}
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}
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static void
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add_particle (ptype_t type, vec4f_t pos, vec4f_t vel, float live, int color,
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float ramp)
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{
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particle_new (type, part_tex_dot, pos, 1, vel, live, color, 1, ramp);
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}
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void
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CL_LoadPointFile (const model_t *model)
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{
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const char *name;
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char *mapname;
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int c;
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QFile *f;
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mapname = strdup (model->path);
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if (!mapname)
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Sys_Error ("Can't duplicate mapname!");
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QFS_StripExtension (mapname, mapname);
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name = va (0, "%s.pts", mapname);
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free (mapname);
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f = QFS_FOpenFile (name);
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if (!f) {
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Sys_Printf ("couldn't open %s\n", name);
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return;
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}
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Sys_MaskPrintf (SYS_dev, "Reading %s...\n", name);
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c = 0;
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vec4f_t zero = {};
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for (;;) {
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char buf[64];
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union {
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vec4f_t org;
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vec3_t org3;
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} o = { .org = { 0, 0, 0, 1 }};
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Qgets (f, buf, sizeof (buf));
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int r = sscanf (buf, "%f %f %f\n",
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&o.org3[0], &o.org3[1], &o.org3[2]);
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if (r != 3)
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break;
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c++;
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if (!particle_new (pt_static, part_tex_dot, o.org, 1.5, zero,
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99999, (-c) & 15, 1.0, 0.0)) {
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Sys_MaskPrintf (SYS_dev, "Not enough free particles\n");
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break;
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}
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}
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Qclose (f);
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Sys_MaskPrintf (SYS_dev, "%i points read\n", c);
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}
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static void
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CL_ParticleExplosion_QF (vec4f_t org)
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{
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// CL_NewExplosion (org);
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particle_new_random (pt_smokecloud, part_tex_smoke, org, 4, 30, 8,
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5.0, (mtwist_rand (&mt) & 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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CL_ParticleExplosion2_QF (vec4f_t org, int colorStart, int colorLength)
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{
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unsigned int i, j = 512;
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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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0.3,
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colorStart + (i % colorLength), 1.0, 0.0);
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}
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}
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static void
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CL_BlobExplosion_QF (vec4f_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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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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1.0 + (mtwist_rand (&mt) & 7) * 0.05,
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66 + i % 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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1.0 + (mtwist_rand (&mt) & 7) * 0.05,
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150 + i % 6, 1.0, 0.0);
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}
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}
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static inline void
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CL_RunSparkEffect_QF (vec4f_t org, int count, int ofuzz)
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{
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vec4f_t zero = {};
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particle_new (pt_smokecloud, part_tex_smoke, org, ofuzz * 0.08,
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zero, 9, 12 + (mtwist_rand (&mt) & 3),
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0.25 + qfrandom (0.125), 0.0);
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if (count > 0) {
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int orgfuzz = ofuzz * 3 / 4;
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if (orgfuzz < 1)
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orgfuzz = 1;
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while (count--) {
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int color = mtwist_rand (&mt) & 7;
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particle_new_random (pt_fallfadespark, part_tex_dot, org, orgfuzz,
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0.7, 96, 5.0, 0, 1.0, color);
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}
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}
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}
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static inline void
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CL_BloodPuff_QF (vec4f_t org, int count)
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{
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vec4f_t zero = {};
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particle_new (pt_bloodcloud, part_tex_smoke, org, count / 5, zero,
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99.0, 70 + (mtwist_rand (&mt) & 3), 0.5, 0.0);
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}
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static void
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CL_BloodPuffEffect_QF (vec4f_t org, int count)
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{
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CL_BloodPuff_QF (org, count);
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}
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static void
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CL_GunshotEffect_QF (vec4f_t org, int count)
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{
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int scale = 16;
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scale += count / 15;
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CL_RunSparkEffect_QF (org, count >> 1, scale);
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}
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static void
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CL_LightningBloodEffect_QF (vec4f_t org)
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{
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CL_BloodPuff_QF (org, 50);
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vec4f_t zero = {};
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particle_new (pt_smokecloud, part_tex_smoke, org, 3.0, zero,
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9.0, 12 + (mtwist_rand (&mt) & 3),
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0.25 + qfrandom (0.125), 0.0);
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for (int count = 7; count-- > 0; ) {
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particle_new_random (pt_fallfade, part_tex_spark, org, 12, 2.0, 128,
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5.0, 244 + (count % 3), 1.0, 0.0);
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}
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}
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static void
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CL_RunParticleEffect_QF (vec4f_t org, vec4f_t dir, int color, int count)
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{
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float scale = pow (count, 0.23);
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for (int i = 0; i < count; i++) {
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int rnd = mtwist_rand (&mt);
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// Note that ParseParticleEffect handles (dir * 15)
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particle_new (pt_grav, part_tex_dot, org + scale * roffs (16), 1.5,
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dir, 0.1 * (i % 5),
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(color & ~7) + (rnd & 7), 1.0, 0.0);
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}
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}
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static void
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CL_SpikeEffect_QF (vec4f_t org)
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{
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CL_RunSparkEffect_QF (org, 5, 8);
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}
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static void
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CL_SuperSpikeEffect_QF (vec4f_t org)
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{
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CL_RunSparkEffect_QF (org, 10, 8);
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}
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static void
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CL_KnightSpikeEffect_QF (vec4f_t org)
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{
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vec4f_t zero = {};
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particle_new (pt_smokecloud, part_tex_smoke, org, 1.0, zero,
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9.0, 234, 0.25 + qfrandom (0.125), 0.0);
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for (int count = 10; count-- > 0; ) {
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particle_new_random (pt_fallfade, part_tex_dot, org, 6, 0.7, 96,
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5.0, 234, 1.0, 0.0);
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}
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}
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static void
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CL_WizSpikeEffect_QF (vec4f_t org)
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{
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vec4f_t zero = {};
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particle_new (pt_smokecloud, part_tex_smoke, org, 2.0, zero,
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9.0, 63, 0.25 + qfrandom (0.125), 0.0);
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for (int count = 15; count-- > 0; ) {
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particle_new_random (pt_fallfade, part_tex_dot, org, 12, 0.7, 96,
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5.0, 63, 1.0, 0.0);
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}
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}
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static void
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CL_LavaSplash_QF (vec4f_t org)
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{
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for (int i = -16; i < 16; i++) {
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for (int j = -16; j < 16; j++) {
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uint32_t rnd = mtwist_rand (&mt);
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float vel = 50.0 + 0.5 * (mtwist_rand (&mt) & 127);
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vec4f_t dir = {
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j * 8 + (rnd & 7),
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i * 8 + ((rnd >> 6) & 7),
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256,
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0
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};
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vec4f_t offs = { dir[0], dir[1], ((rnd >> 9) & 63), 0 };
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dir = normalf (dir);
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particle_new (pt_grav, part_tex_dot, org + offs, 3, vel * dir,
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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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CL_TeleportSplash_QF (vec4f_t org)
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{
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for (int k = -24; k < 32; k += 4) {
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for (int i = -16; i < 16; i += 4) {
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for (int j = -16; j < 16; j += 4) {
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uint32_t rnd = mtwist_rand (&mt);
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float vel = 50 + ((rnd >> 6) & 63);
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vec4f_t dir = normalf ((vec4f_t) { j, i, k, 0 } * 8);
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vec4f_t offs = {
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i + (rnd & 3),
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j + ((rnd >> 2) & 3),
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k + ((rnd >> 4) & 3),
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0
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};
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particle_new (pt_grav, part_tex_spark, org + offs, 0.6,
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vel * dir,
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(0.2 + (mtwist_rand (&mt) & 15) * 0.01),
|
|
(7 + ((rnd >> 12) & 7)), 1.0, 0.0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_RocketTrail_QF (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float maxlen = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
float origlen = cl_frametime / maxlen;
|
|
vec4f_t step = (maxlen - 3) * vec;
|
|
|
|
float len = 0;
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
float pscale = 1.5 + qfrandom (1.5);
|
|
|
|
while (len < maxlen) {
|
|
float pscalenext = 1.5 + qfrandom (1.5);
|
|
float dist = (pscale + pscalenext) * 3.0;
|
|
float percent = len * origlen;
|
|
|
|
particle_new (pt_smoke, part_tex_smoke, pos,
|
|
pscale + percent * 4.0, zero,
|
|
2.0 - percent * 2.0,
|
|
12 + (mtwist_rand (&mt) & 3),
|
|
0.5 + qfrandom (0.125) - percent * 0.40, 0.0);
|
|
len += dist;
|
|
pos += step;
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_GrenadeTrail_QF (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float maxlen = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
float origlen = cl_frametime / maxlen;
|
|
vec4f_t step = (maxlen - 3) * vec;
|
|
|
|
float len = 0;
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
float pscale = 6.0 + qfrandom (7.0);
|
|
|
|
while (len < maxlen) {
|
|
float pscalenext = 6.0 + qfrandom (7.0);
|
|
float dist = (pscale + pscalenext) * 2.0;
|
|
float percent = len * origlen;
|
|
|
|
particle_new (pt_smoke, part_tex_smoke, pos,
|
|
pscale + percent * 4.0, zero,
|
|
2.0 - percent * 2.0,
|
|
1 + (mtwist_rand (&mt) & 3),
|
|
0.625 + qfrandom (0.125) - percent * 0.40, 0.0);
|
|
len += dist;
|
|
pos += step;
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_BloodTrail_QF (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float maxlen = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
float origlen = cl_frametime / maxlen;
|
|
vec4f_t step = (maxlen - 3) * vec;
|
|
|
|
float len = 0;
|
|
vec4f_t pos = start;
|
|
float pscale = 5.0 + qfrandom (10.0);
|
|
|
|
while (len < maxlen) {
|
|
float pscalenext = 5.0 + qfrandom (10.0);
|
|
float dist = (pscale + pscalenext) * 1.5;
|
|
float percent = len * origlen;
|
|
vec4f_t vel = roffs (24);
|
|
vel[2] -= percent * 40;
|
|
|
|
particle_new (pt_grav, part_tex_smoke, pos + roffs (4), pscale, vel,
|
|
2.0 - percent * 2.0,
|
|
68 + (mtwist_rand (&mt) & 3), 1.0, 0.0);
|
|
len += dist;
|
|
pos += step;
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_SlightBloodTrail_QF (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float maxlen = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
float origlen = cl_frametime / maxlen;
|
|
vec4f_t step = (maxlen - 3) * vec;
|
|
|
|
float len = 0;
|
|
vec4f_t pos = start;
|
|
float pscale = 1.5 + qfrandom (7.5);
|
|
while (len < maxlen) {
|
|
float pscalenext = 1.5 + qfrandom (7.5);
|
|
float dist = (pscale + pscalenext) * 1.5;
|
|
float percent = len * origlen;
|
|
vec4f_t vel = roffs (12);
|
|
vel[2] -= percent * 40;
|
|
|
|
particle_new (pt_grav, part_tex_smoke, pos + roffs (4), pscale, vel,
|
|
1.5 - percent * 1.5,
|
|
68 + (mtwist_rand (&mt) & 3), 0.75, 0.0);
|
|
len += dist;
|
|
pos += step;
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_WizTrail_QF (vec4f_t start, vec4f_t end)
|
|
{
|
|
float dist = 3.0;
|
|
|
|
vec4f_t vec = end - start;
|
|
float maxlen = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
float origlen = cl_frametime / maxlen;
|
|
vec4f_t step = (maxlen - dist) * vec;
|
|
|
|
float len = 0;
|
|
vec4f_t pos = start;
|
|
while (len < maxlen) {
|
|
static int tracercount;
|
|
float percent = len * origlen;
|
|
|
|
particle_new (pt_flame, part_tex_smoke, pos,
|
|
2.0 + qfrandom (1.0) - percent * 2.0,
|
|
30 * tracer_vel (tracercount++, vec),
|
|
0.5 - percent * 0.5,
|
|
52 + (mtwist_rand (&mt) & 4), 1.0 - percent * 0.125, 0.0);
|
|
len += dist;
|
|
pos += step;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_FlameTrail_QF (vec4f_t start, vec4f_t end)
|
|
{
|
|
float dist = 3.0;
|
|
|
|
vec4f_t vec = end - start;
|
|
float maxlen = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
float origlen = cl_frametime / maxlen;
|
|
vec4f_t step = (maxlen - dist) * vec;
|
|
|
|
float len = 0;
|
|
vec4f_t pos = start;
|
|
while (len < maxlen) {
|
|
static int tracercount;
|
|
float percent = len * origlen;
|
|
|
|
particle_new (pt_flame, part_tex_smoke, pos,
|
|
2.0 + qfrandom (1.0) - percent * 2.0,
|
|
30 * tracer_vel (tracercount++, vec),
|
|
0.5 - percent * 0.5, 234,
|
|
1.0 - percent * 0.125, 0.0);
|
|
len += dist;
|
|
pos += step;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_VoorTrail_QF (vec4f_t start, vec4f_t end)
|
|
{
|
|
float dist = 3.0;
|
|
|
|
vec4f_t vec = end - start;
|
|
float maxlen = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
float origlen = cl_frametime / maxlen;
|
|
vec4f_t step = (maxlen - dist) * vec;
|
|
|
|
float len = 0;
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
while (len < maxlen) {
|
|
float percent = len * origlen;
|
|
|
|
particle_new (pt_static, part_tex_dot, pos + roffs (16),
|
|
1.0 + qfrandom (1.0),
|
|
zero, 0.3 - percent * 0.3,
|
|
9 * 16 + 8 + (mtwist_rand (&mt) & 3), 1.0, 0.0);
|
|
len += dist;
|
|
pos += step;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_GlowTrail_QF (vec4f_t start, vec4f_t end, int glow_color)
|
|
{
|
|
float dist = 3.0;
|
|
|
|
vec4f_t vec = end - start;
|
|
float maxlen = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
float origlen = cl_frametime / maxlen;
|
|
vec4f_t step = (maxlen - dist) * vec;
|
|
|
|
float len = 0;
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
while (len < maxlen) {
|
|
float percent = len * origlen;
|
|
|
|
particle_new (pt_smoke, part_tex_dot, pos + roffs (5), 1.0, zero,
|
|
2.0 - percent * 0.2, glow_color, 1.0, 0.0);
|
|
len += dist;
|
|
pos += step;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_ParticleExplosion_EE (vec4f_t org)
|
|
{
|
|
/*
|
|
CL_NewExplosion (org);
|
|
*/
|
|
particle_new_random (pt_smokecloud, part_tex_smoke, org, 4, 30, 8,
|
|
5.0, mtwist_rand (&mt) & 255,
|
|
0.5 + qfrandom (0.25), 0.0);
|
|
}
|
|
|
|
static void
|
|
CL_TeleportSplash_EE (vec4f_t org)
|
|
{
|
|
for (int k = -24; k < 32; k += 4) {
|
|
for (int i = -16; i < 16; i += 4) {
|
|
for (int j = -16; j < 16; j += 4) {
|
|
uint32_t rnd = mtwist_rand (&mt);
|
|
float vel = 50 + ((rnd >> 6) & 63);
|
|
vec4f_t dir = normalf ((vec4f_t) { j, i, k, 0 } * 8);
|
|
vec4f_t offs = {
|
|
i + (rnd & 3),
|
|
j + ((rnd >> 2) & 3),
|
|
k + ((rnd >> 4) & 3),
|
|
0
|
|
};
|
|
particle_new (pt_grav, part_tex_spark, org + offs, 0.6,
|
|
vel * dir,
|
|
(0.2 + (mtwist_rand (&mt) & 15) * 0.01),
|
|
qfrandom (1.0), 1.0, 0.0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_RocketTrail_EE (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float maxlen = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
float origlen = cl_frametime / maxlen;
|
|
float pscale = 1.5 + qfrandom (1.5);
|
|
|
|
float len = 0;
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
while (len < maxlen) {
|
|
float pscalenext = 1.5 + qfrandom (1.5);
|
|
float dist = (pscale + pscalenext) * 3.0;
|
|
float percent = len * origlen;
|
|
|
|
particle_new (pt_smoke, part_tex_smoke, pos,
|
|
pscale + percent * 4.0, zero,
|
|
2.0 - percent * 2.0,
|
|
mtwist_rand (&mt) & 255,
|
|
0.5 + qfrandom (0.125) - percent * 0.40, 0.0);
|
|
len += dist;
|
|
pos += len * vec;
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_GrenadeTrail_EE (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float maxlen = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
float origlen = cl_frametime / maxlen;
|
|
float pscale = 6.0 + qfrandom (7.0);
|
|
|
|
float len = 0;
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
while (len < maxlen) {
|
|
float pscalenext = 6.0 + qfrandom (7.0);
|
|
float dist = (pscale + pscalenext) * 2.0;
|
|
float percent = len * origlen;
|
|
|
|
particle_new (pt_smoke, part_tex_smoke, pos,
|
|
pscale + percent * 4.0, zero,
|
|
2.0 - percent * 2.0,
|
|
mtwist_rand (&mt) & 255,
|
|
0.625 + qfrandom (0.125) - percent * 0.40, 0.0);
|
|
len += dist;
|
|
pos += len * vec;
|
|
pscale = pscalenext;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_ParticleExplosion_ID (vec4f_t org)
|
|
{
|
|
for (int i = 0; i < 1024; i++) {
|
|
ptype_t type = i & 1 ? pt_explode2 : pt_explode;
|
|
add_particle (type, org + roffs (32), roffs (512), 5,
|
|
0, mtwist_rand (&mt) & 3);
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_BlobExplosion_ID (vec4f_t org)
|
|
{
|
|
for (int i = 0; i < 1024; i++) {
|
|
ptype_t type = i & 1 ? pt_blob : pt_blob2;
|
|
int color = i & 1 ? 66 : 150;
|
|
add_particle (type, org + roffs (32), roffs (512),
|
|
color + mtwist_rand (&mt) % 6,
|
|
(color & ~7) + (mtwist_rand (&mt) & 7), 0);
|
|
}
|
|
}
|
|
|
|
static inline void // FIXME: inline?
|
|
CL_RunParticleEffect_ID (vec4f_t org, vec4f_t dir, int color, int count)
|
|
{
|
|
for (int i = 0; i < count; i++) {
|
|
add_particle (pt_slowgrav, org + roffs (16),
|
|
dir/* + roffs (300)*/,
|
|
0.1 * (mtwist_rand (&mt) % 5),
|
|
(color & ~7) + (mtwist_rand (&mt) & 7), 0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_BloodPuffEffect_ID (vec4f_t org, int count)
|
|
{
|
|
vec4f_t zero = {};
|
|
CL_RunParticleEffect_ID (org, zero, 73, count);
|
|
}
|
|
|
|
static void
|
|
CL_GunshotEffect_ID (vec4f_t org, int count)
|
|
{
|
|
vec4f_t zero = {};
|
|
CL_RunParticleEffect_ID (org, zero, 0, count);
|
|
}
|
|
|
|
static void
|
|
CL_LightningBloodEffect_ID (vec4f_t org)
|
|
{
|
|
vec4f_t zero = {};
|
|
CL_RunParticleEffect_ID (org, zero, 225, 50);
|
|
}
|
|
|
|
static void
|
|
CL_SpikeEffect_ID (vec4f_t org)
|
|
{
|
|
vec4f_t zero = {};
|
|
CL_RunParticleEffect_ID (org, zero, 0, 10);
|
|
}
|
|
|
|
static void
|
|
CL_SuperSpikeEffect_ID (vec4f_t org)
|
|
{
|
|
vec4f_t zero = {};
|
|
CL_RunParticleEffect_ID (org, zero, 0, 20);
|
|
}
|
|
|
|
static void
|
|
CL_KnightSpikeEffect_ID (vec4f_t org)
|
|
{
|
|
vec4f_t zero = {};
|
|
CL_RunParticleEffect_ID (org, zero, 226, 20);
|
|
}
|
|
|
|
static void
|
|
CL_WizSpikeEffect_ID (vec4f_t org)
|
|
{
|
|
vec4f_t zero = {};
|
|
CL_RunParticleEffect_ID (org, zero, 20, 30);
|
|
}
|
|
|
|
static void
|
|
CL_LavaSplash_ID (vec4f_t org)
|
|
{
|
|
for (int i = -16; i < 16; i++) {
|
|
for (int j = -16; j < 16; j++) {
|
|
for (int k = 0; k < 1; k++) {
|
|
float vel = 50 + (mtwist_rand (&mt) & 63);
|
|
vec4f_t dir = {
|
|
j * 8 + (mtwist_rand (&mt) & 7),
|
|
i * 8 + (mtwist_rand (&mt) & 7),
|
|
256,
|
|
0
|
|
};
|
|
vec4f_t offs = {
|
|
dir[0],
|
|
dir[1],
|
|
(mtwist_rand (&mt) & 63),
|
|
0
|
|
};
|
|
dir = normalf (dir);
|
|
add_particle (pt_grav, org + offs, vel * dir,
|
|
2 + (mtwist_rand (&mt) & 31) * 0.02,
|
|
224 + (mtwist_rand (&mt) & 7), 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_TeleportSplash_ID (vec4f_t org)
|
|
{
|
|
for (int i = -16; i < 16; i += 4) {
|
|
for (int j = -16; j < 16; j += 4) {
|
|
for (int k = -24; k < 32; k += 4) {
|
|
float vel = 50 + (mtwist_rand (&mt) & 63);
|
|
vec4f_t dir = normalf ((vec4f_t) { j, i, k, 0 } * 8);
|
|
vec4f_t offs = {
|
|
i + (mtwist_rand (&mt) & 3),
|
|
j + (mtwist_rand (&mt) & 3),
|
|
k + (mtwist_rand (&mt) & 3),
|
|
0
|
|
};
|
|
add_particle (pt_grav, org + offs, vel * dir,
|
|
0.2 + (mtwist_rand (&mt) & 7) * 0.02,
|
|
7 + (mtwist_rand (&mt) & 7), 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_DarkFieldParticles_ID (vec4f_t org)
|
|
{
|
|
for (int i = -16; i < 16; i += 8) {
|
|
for (int j = -16; j < 16; j += 8) {
|
|
for (int k = 0; k < 32; k += 8) {
|
|
uint32_t rnd = mtwist_rand (&mt);
|
|
float vel = 50 + ((rnd >> 9) & 63);
|
|
vec4f_t dir = normalf ((vec4f_t) { j, i, k, 0 } * 8);
|
|
vec4f_t offs = {
|
|
i + ((rnd >> 3) & 3),
|
|
j + ((rnd >> 5) & 3),
|
|
k + ((rnd >> 7) & 3),
|
|
0
|
|
};
|
|
|
|
add_particle (pt_slowgrav, org + offs, vel * dir,
|
|
0.2 + (rnd & 7) * 0.02,
|
|
150 + mtwist_rand (&mt) % 6, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#define num_normals (int)(sizeof (normals) / sizeof (normals[0]))
|
|
static vec4f_t normals[] = {
|
|
#include "anorms.h"
|
|
};
|
|
static vec4f_t velocities[num_normals];
|
|
|
|
static void
|
|
CL_EntityParticles_ID (vec4f_t org)
|
|
{
|
|
float angle, sp, sy, cp, cy; // cr, sr
|
|
float beamlength = 16.0, dist = 64.0;
|
|
|
|
for (int i = 0; i < num_normals; i++) {
|
|
int k;
|
|
for (k = 0; k < 3; k++) {
|
|
velocities[i][k] = (mtwist_rand (&mt) & 255) * 0.01;
|
|
}
|
|
}
|
|
|
|
vec4f_t zero = {};
|
|
for (int i = 0; i < num_normals; i++) {
|
|
angle = cl_realtime * velocities[i][0];
|
|
cy = cos (angle);
|
|
sy = sin (angle);
|
|
angle = cl_realtime * velocities[i][1];
|
|
cp = cos (angle);
|
|
sp = sin (angle);
|
|
// Next 3 lines results aren't currently used, may be in future. --Despair
|
|
// angle = cl_realtime * avelocities[i][2];
|
|
// sr = sin (angle);
|
|
// cr = cos (angle);
|
|
|
|
vec4f_t forward = { cp * cy, cp * sy, -sp, 0 };
|
|
vec4f_t pos = org + normals[i] * dist + forward * beamlength;
|
|
//FIXME 0 velocity?
|
|
add_particle (pt_explode, pos, zero, 0.01, 0x6f, 0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_RocketTrail_ID (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float len = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
while (len > 0) {
|
|
len -= 3;
|
|
add_particle (pt_fire, pos + roffs (6), zero, 2,
|
|
0, (mtwist_rand (&mt) & 3));
|
|
pos += vec;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_GrenadeTrail_ID (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float len = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
while (len > 0) {
|
|
len -= 3;
|
|
add_particle (pt_fire, pos + roffs (6), zero, 2,
|
|
0, (mtwist_rand (&mt) & 3) + 2);
|
|
pos += vec;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_BloodTrail_ID (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float len = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
while (len > 0) {
|
|
len -= 3;
|
|
add_particle (pt_slowgrav, pos + roffs (6), zero, 2,
|
|
67 + (mtwist_rand (&mt) & 3), 0);
|
|
pos += vec;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_SlightBloodTrail_ID (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float len = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
while (len > 0) {
|
|
len -= 6;
|
|
add_particle (pt_slowgrav, pos + roffs (6), zero, 2,
|
|
67 + (mtwist_rand (&mt) & 3), 0);
|
|
pos += vec;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_WizTrail_ID (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float len = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
vec4f_t pos = start;
|
|
while (len > 0) {
|
|
static int tracercount;
|
|
len -= 3;
|
|
add_particle (pt_static, pos, 30 * tracer_vel (tracercount, vec), 0.5,
|
|
52 + ((tracercount & 4) << 1), 0);
|
|
tracercount++;
|
|
pos += vec;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_FlameTrail_ID (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float len = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
vec4f_t pos = start;
|
|
while (len > 0) {
|
|
static int tracercount;
|
|
len -= 3;
|
|
add_particle (pt_static, pos, 30 * tracer_vel (tracercount, vec), 0.5,
|
|
230 + ((tracercount & 4) << 1), 0);
|
|
tracercount++;
|
|
pos += vec;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_VoorTrail_ID (vec4f_t start, vec4f_t end)
|
|
{
|
|
vec4f_t vec = end - start;
|
|
float len = magnitudef (vec)[0];
|
|
vec = normalf (vec);
|
|
|
|
vec4f_t zero = {};
|
|
vec4f_t pos = start;
|
|
while (len > 0) {
|
|
len -= 3;
|
|
add_particle (pt_static, pos + roffs (16), zero, 0.3,
|
|
9 * 16 + 8 + (mtwist_rand (&mt) & 3), 0);
|
|
pos += vec;
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_Particle_New (ptype_t type, int texnum, vec4f_t org, float scale,
|
|
vec4f_t vel, float live, int color, float alpha,
|
|
float ramp)
|
|
{
|
|
particle_new (type, texnum, org, scale, vel, live, color, alpha, ramp);
|
|
}
|
|
|
|
static void
|
|
CL_Particle_NewRandom (ptype_t type, int texnum, vec4f_t org,
|
|
int org_fuzz, float scale, int vel_fuzz, float live,
|
|
int color, float alpha, float ramp)
|
|
{
|
|
particle_new_random (type, texnum, org, org_fuzz, scale, vel_fuzz, live,
|
|
color, alpha, ramp);
|
|
}
|
|
|
|
static cl_particle_funcs_t particles_QF = {
|
|
CL_RocketTrail_QF,
|
|
CL_GrenadeTrail_QF,
|
|
CL_BloodTrail_QF,
|
|
CL_SlightBloodTrail_QF,
|
|
CL_WizTrail_QF,
|
|
CL_FlameTrail_QF,
|
|
CL_VoorTrail_QF,
|
|
CL_GlowTrail_QF,
|
|
CL_RunParticleEffect_QF,
|
|
CL_BloodPuffEffect_QF,
|
|
CL_GunshotEffect_QF,
|
|
CL_LightningBloodEffect_QF,
|
|
CL_SpikeEffect_QF,
|
|
CL_KnightSpikeEffect_QF,
|
|
CL_SuperSpikeEffect_QF,
|
|
CL_WizSpikeEffect_QF,
|
|
CL_BlobExplosion_QF,
|
|
CL_ParticleExplosion_QF,
|
|
CL_ParticleExplosion2_QF,
|
|
CL_LavaSplash_QF,
|
|
CL_TeleportSplash_QF,
|
|
CL_DarkFieldParticles_ID,
|
|
CL_EntityParticles_ID,
|
|
CL_Particle_New,
|
|
CL_Particle_NewRandom,
|
|
};
|
|
|
|
static cl_particle_funcs_t particles_ID = {
|
|
CL_RocketTrail_ID,
|
|
CL_GrenadeTrail_ID,
|
|
CL_BloodTrail_ID,
|
|
CL_SlightBloodTrail_ID,
|
|
CL_WizTrail_ID,
|
|
CL_FlameTrail_ID,
|
|
CL_VoorTrail_ID,
|
|
CL_GlowTrail_QF,
|
|
CL_RunParticleEffect_ID,
|
|
CL_BloodPuffEffect_ID,
|
|
CL_GunshotEffect_ID,
|
|
CL_LightningBloodEffect_ID,
|
|
CL_SpikeEffect_ID,
|
|
CL_KnightSpikeEffect_ID,
|
|
CL_SuperSpikeEffect_ID,
|
|
CL_WizSpikeEffect_ID,
|
|
CL_BlobExplosion_ID,
|
|
CL_ParticleExplosion_ID,
|
|
CL_ParticleExplosion2_QF,
|
|
CL_LavaSplash_ID,
|
|
CL_TeleportSplash_ID,
|
|
CL_DarkFieldParticles_ID,
|
|
CL_EntityParticles_ID,
|
|
CL_Particle_New,
|
|
CL_Particle_NewRandom,
|
|
};
|
|
|
|
static cl_particle_funcs_t particles_QF_egg = {
|
|
CL_RocketTrail_EE,
|
|
CL_GrenadeTrail_EE,
|
|
CL_BloodTrail_QF,
|
|
CL_SlightBloodTrail_QF,
|
|
CL_WizTrail_QF,
|
|
CL_FlameTrail_QF,
|
|
CL_VoorTrail_QF,
|
|
CL_GlowTrail_QF,
|
|
CL_RunParticleEffect_QF,
|
|
CL_BloodPuffEffect_QF,
|
|
CL_GunshotEffect_QF,
|
|
CL_LightningBloodEffect_QF,
|
|
CL_SpikeEffect_QF,
|
|
CL_KnightSpikeEffect_QF,
|
|
CL_SuperSpikeEffect_QF,
|
|
CL_WizSpikeEffect_QF,
|
|
CL_BlobExplosion_QF,
|
|
CL_ParticleExplosion_EE,
|
|
CL_ParticleExplosion2_QF,
|
|
CL_LavaSplash_QF,
|
|
CL_TeleportSplash_EE,
|
|
CL_DarkFieldParticles_ID,
|
|
CL_EntityParticles_ID,
|
|
CL_Particle_New,
|
|
CL_Particle_NewRandom,
|
|
};
|
|
|
|
static cl_particle_funcs_t particles_ID_egg = {
|
|
CL_RocketTrail_EE,
|
|
CL_GrenadeTrail_EE,
|
|
CL_BloodTrail_ID,
|
|
CL_SlightBloodTrail_ID,
|
|
CL_WizTrail_ID,
|
|
CL_FlameTrail_ID,
|
|
CL_VoorTrail_ID,
|
|
CL_GlowTrail_QF,
|
|
CL_RunParticleEffect_ID,
|
|
CL_BloodPuffEffect_ID,
|
|
CL_GunshotEffect_ID,
|
|
CL_LightningBloodEffect_ID,
|
|
CL_SpikeEffect_ID,
|
|
CL_KnightSpikeEffect_ID,
|
|
CL_SuperSpikeEffect_ID,
|
|
CL_WizSpikeEffect_ID,
|
|
CL_BlobExplosion_ID,
|
|
CL_ParticleExplosion_EE,
|
|
CL_ParticleExplosion2_QF,
|
|
CL_LavaSplash_ID,
|
|
CL_TeleportSplash_EE,
|
|
CL_DarkFieldParticles_ID,
|
|
CL_EntityParticles_ID,
|
|
CL_Particle_New,
|
|
CL_Particle_NewRandom,
|
|
};
|
|
|
|
static void
|
|
easter_eggs_f (cvar_t *var)
|
|
{
|
|
if (easter_eggs) {
|
|
if (easter_eggs->int_val) {
|
|
if (particles_style->int_val) {
|
|
clp_funcs = &particles_QF_egg;
|
|
} else {
|
|
clp_funcs = &particles_ID_egg;
|
|
}
|
|
} else if (particles_style) {
|
|
if (particles_style->int_val) {
|
|
clp_funcs = &particles_QF;
|
|
} else {
|
|
clp_funcs = &particles_ID;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
particles_style_f (cvar_t *var)
|
|
{
|
|
easter_eggs_f (easter_eggs);
|
|
cl_psystem->points_only = !var->int_val;
|
|
}
|
|
|
|
static void
|
|
CL_ParticleFunctionInit (void)
|
|
{
|
|
particles_style_f (particles_style);
|
|
easter_eggs_f (easter_eggs);
|
|
}
|
|
|
|
void
|
|
CL_Particles_Init (void)
|
|
{
|
|
mtwist_seed (&mt, 0xdeadbeef);
|
|
cl_psystem = r_funcs->ParticleSystem ();
|
|
easter_eggs = Cvar_Get ("easter_eggs", "0", CVAR_NONE, easter_eggs_f,
|
|
"Enables easter eggs.");
|
|
particles_style = Cvar_Get ("particles_style", "1", CVAR_ARCHIVE,
|
|
particles_style_f,
|
|
"Sets particle style. 0 for Id, 1 for QF.");
|
|
CL_ParticleFunctionInit ();
|
|
}
|
|
|
|
void
|
|
CL_ParticlesGravity (float gravity)
|
|
{
|
|
cl_psystem->gravity = (vec4f_t) { 0, 0, -gravity, 0 };
|
|
}
|