mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-10 23:32:09 +00:00
12c84046f3
This is an extremely extensive patch as it hits every cvar, and every usage of the cvars. Cvars no longer store the value they control, instead, they use a cexpr value object to reference the value and specify the value's type (currently, a null type is used for strings). Non-string cvars are passed through cexpr, allowing expressions in the cvars' settings. Also, cvars have returned to an enhanced version of the original (id quake) registration scheme. As a minor benefit, relevant code having direct access to the cvar-controlled variables is probably a slight optimization as it removed a pointer dereference, and the variables can be located for data locality. The static cvar descriptors are made private as an additional safety layer, though there's nothing stopping external modification via Cvar_FindVar (which is needed for adding listeners). While not used yet (partly due to working out the design), cvars can have a validation function. Registering a cvar allows a primary listener (and its data) to be specified: it will always be called first when the cvar is modified. The combination of proper listeners and direct access to the controlled variable greatly simplifies the more complex cvar interactions as much less null checking is required, and there's no need for one cvar's callback to call another's. nq-x11 is known to work at least well enough for the demos. More testing will come.
1301 lines
30 KiB
C
1301 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 int easter_eggs;
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static cvar_t easter_eggs_cvar = {
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.name = "easter_eggs",
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.description =
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"Enables easter eggs.",
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.default_value = "0",
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.flags = CVAR_NONE,
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.value = { .type = &cexpr_int, .value = &easter_eggs },
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};
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static int particles_style;
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static cvar_t particles_style_cvar = {
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.name = "particles_style",
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.description =
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"Sets particle style. 0 for Id, 1 for QF.",
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.default_value = "1",
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.flags = CVAR_ARCHIVE,
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.value = { .type = &cexpr_int, .value = &particles_style },
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};
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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 };
|
|
dir = normalf (dir);
|
|
particle_new (pt_grav, part_tex_dot, org + offs, 3, vel * dir,
|
|
2.0 + ((rnd >> 7) & 31) * 0.02,
|
|
224 + ((rnd >> 12) & 7), 0.75, 0.0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
CL_TeleportSplash_QF (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),
|
|
(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
|
|
set_particle_funcs (void)
|
|
{
|
|
if (easter_eggs) {
|
|
if (particles_style) {
|
|
clp_funcs = &particles_QF_egg;
|
|
} else {
|
|
clp_funcs = &particles_ID_egg;
|
|
}
|
|
} else {
|
|
if (particles_style) {
|
|
clp_funcs = &particles_QF;
|
|
} else {
|
|
clp_funcs = &particles_ID;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
easter_eggs_f (void *data, const cvar_t *cvar)
|
|
{
|
|
set_particle_funcs ();
|
|
}
|
|
|
|
static void
|
|
particles_style_f (void *data, const cvar_t *cvar)
|
|
{
|
|
set_particle_funcs ();
|
|
cl_psystem->points_only = !particles_style;
|
|
}
|
|
|
|
void
|
|
CL_Particles_Init (void)
|
|
{
|
|
mtwist_seed (&mt, 0xdeadbeef);
|
|
cl_psystem = r_funcs->ParticleSystem ();
|
|
Cvar_Register (&easter_eggs_cvar, easter_eggs_f, 0);
|
|
Cvar_Register (&particles_style_cvar, particles_style_f, 0);
|
|
set_particle_funcs ();
|
|
}
|
|
|
|
void
|
|
CL_ParticlesGravity (float gravity)
|
|
{
|
|
cl_psystem->gravity = (vec4f_t) { 0, 0, -gravity, 0 };
|
|
}
|