1667 lines
36 KiB
C
1667 lines
36 KiB
C
/*
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cl_part.c - particles and tracers
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Copyright (C) 2010 Uncle Mike
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(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. See the
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GNU General Public License for more details.
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*/
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#include "common.h"
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#include "client.h"
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#include "gl_local.h"
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#include "r_efx.h"
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#include "event_flags.h"
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#include "entity_types.h"
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#include "triangleapi.h"
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#include "pm_local.h"
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#include "cl_tent.h"
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#include "studio.h"
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#define PART_SIZE Q_max( 0.5f, cl_draw_particles->value )
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/*
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==============================================================
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PARTICLES MANAGEMENT
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==============================================================
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*/
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// particle ramps
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static int ramp1[8] = { 0x6f, 0x6d, 0x6b, 0x69, 0x67, 0x65, 0x63, 0x61 };
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static int ramp2[8] = { 0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x68, 0x66 };
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static int ramp3[6] = { 0x6d, 0x6b, 6, 5, 4, 3 };
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static float gTracerSize[11] = { 1.5f, 0.5f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f };
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static int gSparkRamp[9] = { 0xfe, 0xfd, 0xfc, 0x6f, 0x6e, 0x6d, 0x6c, 0x67, 0x60 };
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static color24 gTracerColors[] =
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{
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{ 255, 255, 255 }, // White
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{ 255, 0, 0 }, // Red
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{ 0, 255, 0 }, // Green
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{ 0, 0, 255 }, // Blue
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{ 0, 0, 0 }, // Tracer default, filled in from cvars, etc.
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{ 255, 167, 17 }, // Yellow-orange sparks
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{ 255, 130, 90 }, // Yellowish streaks (garg)
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{ 55, 60, 144 }, // Blue egon streak
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{ 255, 130, 90 }, // More Yellowish streaks (garg)
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{ 255, 140, 90 }, // More Yellowish streaks (garg)
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{ 200, 130, 90 }, // More red streaks (garg)
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{ 255, 120, 70 }, // Darker red streaks (garg)
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};
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convar_t *tracerred;
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convar_t *tracergreen;
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convar_t *tracerblue;
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convar_t *traceralpha;
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convar_t *tracerspeed;
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convar_t *tracerlength;
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convar_t *traceroffset;
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particle_t *cl_active_particles;
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particle_t *cl_active_tracers;
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particle_t *cl_free_particles;
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particle_t *cl_particles = NULL; // particle pool
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static vec3_t cl_avelocities[NUMVERTEXNORMALS];
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static float cl_lasttimewarn = 0.0f;
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/*
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================
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R_LookupColor
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find nearest color in particle palette
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================
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*/
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short R_LookupColor( byte r, byte g, byte b )
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{
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int i, best;
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float diff, bestdiff;
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float rf, gf, bf;
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bestdiff = 999999;
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best = 65535;
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for( i = 0; i < 256; i++ )
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{
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rf = r - clgame.palette[i].r;
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gf = g - clgame.palette[i].g;
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bf = b - clgame.palette[i].b;
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// convert color to monochrome
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diff = rf * (rf * 0.2) + gf * (gf * 0.5) + bf * (bf * 0.3);
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if ( diff < bestdiff )
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{
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bestdiff = diff;
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best = i;
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}
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}
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return best;
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}
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/*
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================
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R_GetPackedColor
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in hardware mode does nothing
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================
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*/
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void R_GetPackedColor( short *packed, short color )
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{
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if( packed ) *packed = 0;
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}
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/*
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================
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CL_InitParticles
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================
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*/
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void CL_InitParticles( void )
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{
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int i;
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cl_particles = Mem_Alloc( cls.mempool, sizeof( particle_t ) * GI->max_particles );
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CL_ClearParticles ();
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// this is used for EF_BRIGHTFIELD
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for( i = 0; i < NUMVERTEXNORMALS; i++ )
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{
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cl_avelocities[i][0] = COM_RandomFloat( 0.0f, 2.55f );
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cl_avelocities[i][1] = COM_RandomFloat( 0.0f, 2.55f );
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cl_avelocities[i][2] = COM_RandomFloat( 0.0f, 2.55f );
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}
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tracerred = Cvar_Get( "tracerred", "0.8", 0, "tracer red component weight ( 0 - 1.0 )" );
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tracergreen = Cvar_Get( "tracergreen", "0.8", 0, "tracer green component weight ( 0 - 1.0 )" );
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tracerblue = Cvar_Get( "tracerblue", "0.4", 0, "tracer blue component weight ( 0 - 1.0 )" );
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traceralpha = Cvar_Get( "traceralpha", "0.5", 0, "tracer alpha amount ( 0 - 1.0 )" );
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tracerspeed = Cvar_Get( "tracerspeed", "6000", 0, "tracer speed" );
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tracerlength = Cvar_Get( "tracerlength", "0.8", 0, "tracer length factor" );
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traceroffset = Cvar_Get( "traceroffset", "30", 0, "tracer starting offset" );
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}
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/*
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================
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CL_ClearParticles
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================
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*/
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void CL_ClearParticles( void )
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{
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int i;
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if( !cl_particles ) return;
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cl_free_particles = cl_particles;
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cl_active_particles = NULL;
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cl_active_tracers = NULL;
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for( i = 0; i < GI->max_particles - 1; i++ )
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cl_particles[i].next = &cl_particles[i+1];
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cl_particles[GI->max_particles-1].next = NULL;
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}
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/*
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================
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CL_FreeParticles
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================
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*/
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void CL_FreeParticles( void )
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{
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if( cl_particles )
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Mem_Free( cl_particles );
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cl_particles = NULL;
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}
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/*
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================
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CL_FreeParticle
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move particle to freelist
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================
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*/
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void CL_FreeParticle( particle_t *p )
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{
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if( p->deathfunc )
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{
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// call right the deathfunc before die
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p->deathfunc( p );
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p->deathfunc = NULL;
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}
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p->next = cl_free_particles;
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cl_free_particles = p;
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}
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/*
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================
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R_AllocParticle
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can return NULL if particles is out
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================
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*/
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particle_t *R_AllocParticle( void (*callback)( particle_t*, float ))
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{
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particle_t *p;
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if( !cl_draw_particles->value )
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return NULL;
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// never alloc particles when we not in game
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if( tr.frametime == 0.0 ) return NULL;
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if( !cl_free_particles )
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{
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if( cl_lasttimewarn < host.realtime )
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{
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// don't spam about overflow
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MsgDev( D_ERROR, "Overflow %d particles\n", GI->max_particles );
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cl_lasttimewarn = host.realtime + 1.0f;
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}
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return NULL;
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}
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p = cl_free_particles;
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cl_free_particles = p->next;
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p->next = cl_active_particles;
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cl_active_particles = p;
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// clear old particle
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p->type = pt_static;
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VectorClear( p->vel );
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VectorClear( p->org );
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p->packedColor = 0;
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p->die = cl.time;
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p->color = 0;
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p->ramp = 0;
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if( callback )
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{
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p->type = pt_clientcustom;
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p->callback = callback;
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}
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return p;
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}
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/*
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================
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R_AllocTracer
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can return NULL if particles is out
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================
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*/
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particle_t *R_AllocTracer( const vec3_t org, const vec3_t vel, float life )
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{
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particle_t *p;
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if( !cl_draw_tracers->value )
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return NULL;
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// never alloc particles when we not in game
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if( tr.frametime == 0.0 ) return NULL;
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if( !cl_free_particles )
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{
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if( cl_lasttimewarn < host.realtime )
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{
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// don't spam about overflow
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MsgDev( D_ERROR, "Overflow %d tracers\n", GI->max_particles );
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cl_lasttimewarn = host.realtime + 1.0f;
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}
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return NULL;
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}
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p = cl_free_particles;
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cl_free_particles = p->next;
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p->next = cl_active_tracers;
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cl_active_tracers = p;
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// clear old particle
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p->type = pt_static;
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VectorCopy( org, p->org );
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VectorCopy( vel, p->vel );
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p->die = cl.time + life;
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p->ramp = tracerlength->value;
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p->color = 4; // select custom color
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p->packedColor = 255; // alpha
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return p;
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}
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/*
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==============
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R_FreeDeadParticles
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Free particles that time has expired
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==============
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*/
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void R_FreeDeadParticles( particle_t **ppparticles )
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{
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particle_t *p, *kill;
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// kill all the ones hanging direcly off the base pointer
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while( 1 )
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{
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kill = *ppparticles;
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if( kill && kill->die < cl.time )
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{
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if( kill->deathfunc )
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kill->deathfunc( kill );
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kill->deathfunc = NULL;
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*ppparticles = kill->next;
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kill->next = cl_free_particles;
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cl_free_particles = kill;
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continue;
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}
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break;
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}
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// kill off all the others
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for( p = *ppparticles; p; p = p->next )
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{
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while( 1 )
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{
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kill = p->next;
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if( kill && kill->die < cl.time )
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{
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if( kill->deathfunc )
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kill->deathfunc( kill );
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kill->deathfunc = NULL;
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p->next = kill->next;
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kill->next = cl_free_particles;
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cl_free_particles = kill;
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continue;
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}
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break;
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}
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}
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}
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/*
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================
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CL_DrawParticles
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update particle color, position, free expired and draw it
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================
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*/
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void CL_DrawParticles( double frametime )
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{
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particle_t *p;
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float time3 = 15.0f * frametime;
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float time2 = 10.0f * frametime;
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float time1 = 5.0f * frametime;
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float dvel = 4.0f * frametime;
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float grav = frametime * clgame.movevars.gravity * 0.05f;
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vec3_t right, up;
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color24 *pColor;
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int alpha;
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float size;
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if( !cl_draw_particles->value )
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return;
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R_FreeDeadParticles( &cl_active_particles );
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if( !cl_active_particles )
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return; // nothing to draw?
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pglEnable( GL_BLEND );
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pglDisable( GL_ALPHA_TEST );
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pglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
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GL_Bind( GL_TEXTURE0, tr.particleTexture );
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pglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
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pglDepthMask( GL_FALSE );
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pglBegin( GL_QUADS );
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for( p = cl_active_particles; p; p = p->next )
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{
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if(( p->type != pt_blob ) || ( p->packedColor == 255 ))
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{
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size = PART_SIZE; // get initial size of particle
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// HACKHACK a scale up to keep particles from disappearing
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size += (p->org[0] - RI.vieworg[0]) * RI.cull_vforward[0];
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size += (p->org[1] - RI.vieworg[1]) * RI.cull_vforward[1];
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size += (p->org[2] - RI.vieworg[2]) * RI.cull_vforward[2];
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if( size < 20.0f ) size = PART_SIZE;
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else size = PART_SIZE + size * 0.002f;
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// scale the axes by radius
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VectorScale( RI.cull_vright, size, right );
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VectorScale( RI.cull_vup, size, up );
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p->color = bound( 0, p->color, 255 );
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pColor = &clgame.palette[p->color];
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alpha = 255 * (p->die - cl.time) * 16.0f;
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if( alpha > 255 || p->type == pt_static )
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alpha = 255;
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pglColor4ub( LightToTexGamma( pColor->r ), LightToTexGamma( pColor->g ), LightToTexGamma( pColor->b ), alpha );
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pglTexCoord2f( 0.0f, 1.0f );
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pglVertex3f( p->org[0] - right[0] + up[0], p->org[1] - right[1] + up[1], p->org[2] - right[2] + up[2] );
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pglTexCoord2f( 0.0f, 0.0f );
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pglVertex3f( p->org[0] + right[0] + up[0], p->org[1] + right[1] + up[1], p->org[2] + right[2] + up[2] );
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pglTexCoord2f( 1.0f, 0.0f );
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pglVertex3f( p->org[0] + right[0] - up[0], p->org[1] + right[1] - up[1], p->org[2] + right[2] - up[2] );
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pglTexCoord2f( 1.0f, 1.0f );
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pglVertex3f( p->org[0] - right[0] - up[0], p->org[1] - right[1] - up[1], p->org[2] - right[2] - up[2] );
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r_stats.c_particle_count++;
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}
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if( p->type != pt_clientcustom )
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{
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// update position.
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VectorMA( p->org, frametime, p->vel, p->org );
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}
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switch( p->type )
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{
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case pt_static:
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break;
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case pt_fire:
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p->ramp += time1;
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if( p->ramp >= 6.0f ) p->die = -1.0f;
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else p->color = ramp3[(int)p->ramp];
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p->vel[2] += grav;
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break;
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case pt_explode:
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p->ramp += time2;
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if( p->ramp >= 8.0f ) p->die = -1.0f;
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else p->color = ramp1[(int)p->ramp];
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VectorMA( p->vel, dvel, p->vel, p->vel );
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p->vel[2] -= grav;
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break;
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case pt_explode2:
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p->ramp += time3;
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if( p->ramp >= 8.0f ) p->die = -1.0f;
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else p->color = ramp2[(int)p->ramp];
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VectorMA( p->vel,-frametime, p->vel, p->vel );
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p->vel[2] -= grav;
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break;
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case pt_blob:
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if( p->packedColor == 255 )
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{
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// normal blob explosion
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VectorMA( p->vel, dvel, p->vel, p->vel );
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p->vel[2] -= grav;
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break;
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}
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case pt_blob2:
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if( p->packedColor == 255 )
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{
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// normal blob explosion
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p->vel[0] -= p->vel[0] * dvel;
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p->vel[1] -= p->vel[1] * dvel;
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p->vel[2] -= grav;
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}
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else
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{
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p->ramp += time2;
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if( p->ramp >= 9.0f ) p->ramp = 0.0f;
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p->color = gSparkRamp[(int)p->ramp];
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VectorMA( p->vel, -frametime * 0.5f, p->vel, p->vel );
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p->type = COM_RandomLong( 0, 3 ) ? pt_blob : pt_blob2;
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p->vel[2] -= grav * 5.0f;
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}
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break;
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case pt_grav:
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p->vel[2] -= grav * 20.0f;
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break;
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case pt_slowgrav:
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p->vel[2] -= grav;
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break;
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case pt_vox_grav:
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p->vel[2] -= grav * 8.0f;
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break;
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case pt_vox_slowgrav:
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p->vel[2] -= grav * 4.0f;
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break;
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case pt_clientcustom:
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if( p->callback )
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p->callback( p, frametime );
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break;
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}
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}
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pglEnd();
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pglDepthMask( GL_TRUE );
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}
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/*
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================
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CL_CullTracer
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check tracer bbox
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================
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*/
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static qboolean CL_CullTracer( particle_t *p, const vec3_t start, const vec3_t end )
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{
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vec3_t mins, maxs;
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int i;
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// compute the bounding box
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for( i = 0; i < 3; i++ )
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{
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if( start[i] < end[i] )
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{
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mins[i] = start[i];
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maxs[i] = end[i];
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}
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else
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{
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mins[i] = end[i];
|
|
maxs[i] = start[i];
|
|
}
|
|
|
|
// don't let it be zero sized
|
|
if( mins[i] == maxs[i] )
|
|
{
|
|
maxs[i] += gTracerSize[p->type] * 2.0f;
|
|
}
|
|
}
|
|
|
|
// check bbox
|
|
return R_CullBox( mins, maxs );
|
|
}
|
|
|
|
/*
|
|
================
|
|
CL_DrawTracers
|
|
|
|
update tracer color, position, free expired and draw it
|
|
================
|
|
*/
|
|
void CL_DrawTracers( double frametime )
|
|
{
|
|
float scale, atten, gravity;
|
|
vec3_t screenLast, screen;
|
|
vec3_t start, end, delta;
|
|
particle_t *p;
|
|
|
|
if( !cl_draw_tracers->value )
|
|
return;
|
|
|
|
// update tracer color if this is changed
|
|
if( FBitSet( tracerred->flags|tracergreen->flags|tracerblue->flags|traceralpha->flags, FCVAR_CHANGED ))
|
|
{
|
|
gTracerColors[4].r = (byte)(tracerred->value * traceralpha->value * 255);
|
|
gTracerColors[4].g = (byte)(tracergreen->value * traceralpha->value * 255);
|
|
gTracerColors[4].b = (byte)(tracerblue->value * traceralpha->value * 255);
|
|
ClearBits( tracerred->flags, FCVAR_CHANGED );
|
|
ClearBits( tracergreen->flags, FCVAR_CHANGED );
|
|
ClearBits( tracerblue->flags, FCVAR_CHANGED );
|
|
ClearBits( traceralpha->flags, FCVAR_CHANGED );
|
|
}
|
|
|
|
R_FreeDeadParticles( &cl_active_tracers );
|
|
|
|
if( !cl_active_tracers )
|
|
return; // nothing to draw?
|
|
|
|
if( !TriSpriteTexture( cl_sprite_dot, 0 ))
|
|
return;
|
|
|
|
pglEnable( GL_BLEND );
|
|
pglBlendFunc( GL_SRC_ALPHA, GL_ONE );
|
|
pglDisable( GL_ALPHA_TEST );
|
|
pglDepthMask( GL_FALSE );
|
|
|
|
gravity = frametime * clgame.movevars.gravity;
|
|
scale = 1.0 - (frametime * 0.9);
|
|
if( scale < 0.0f ) scale = 0.0f;
|
|
|
|
for( p = cl_active_tracers; p; p = p->next )
|
|
{
|
|
atten = (p->die - cl.time);
|
|
if( atten > 0.1f ) atten = 0.1f;
|
|
|
|
VectorScale( p->vel, ( p->ramp * atten ), delta );
|
|
VectorAdd( p->org, delta, end );
|
|
VectorCopy( p->org, start );
|
|
|
|
if( !CL_CullTracer( p, start, end ))
|
|
{
|
|
vec3_t verts[4], tmp2;
|
|
vec3_t tmp, normal;
|
|
color24 *pColor;
|
|
|
|
// Transform point into screen space
|
|
TriWorldToScreen( start, screen );
|
|
TriWorldToScreen( end, screenLast );
|
|
|
|
// build world-space normal to screen-space direction vector
|
|
VectorSubtract( screen, screenLast, tmp );
|
|
|
|
// we don't need Z, we're in screen space
|
|
tmp[2] = 0;
|
|
VectorNormalize( tmp );
|
|
|
|
// build point along noraml line (normal is -y, x)
|
|
VectorScale( RI.cull_vup, tmp[0] * gTracerSize[p->type], normal );
|
|
VectorScale( RI.cull_vright, -tmp[1] * gTracerSize[p->type], tmp2 );
|
|
VectorSubtract( normal, tmp2, normal );
|
|
|
|
// compute four vertexes
|
|
VectorSubtract( start, normal, verts[0] );
|
|
VectorAdd( start, normal, verts[1] );
|
|
VectorAdd( verts[0], delta, verts[2] );
|
|
VectorAdd( verts[1], delta, verts[3] );
|
|
|
|
pColor = &gTracerColors[p->color];
|
|
pglColor4ub( pColor->r, pColor->g, pColor->b, p->packedColor );
|
|
|
|
pglBegin( GL_QUADS );
|
|
pglTexCoord2f( 0.0f, 0.8f );
|
|
pglVertex3fv( verts[2] );
|
|
pglTexCoord2f( 1.0f, 0.8f );
|
|
pglVertex3fv( verts[3] );
|
|
pglTexCoord2f( 1.0f, 0.0f );
|
|
pglVertex3fv( verts[1] );
|
|
pglTexCoord2f( 0.0f, 0.0f );
|
|
pglVertex3fv( verts[0] );
|
|
pglEnd();
|
|
}
|
|
|
|
// evaluate position
|
|
VectorMA( p->org, frametime, p->vel, p->org );
|
|
|
|
if( p->type == pt_grav )
|
|
{
|
|
p->vel[0] *= scale;
|
|
p->vel[1] *= scale;
|
|
p->vel[2] -= gravity;
|
|
|
|
p->packedColor = 255 * (p->die - cl.time) * 2;
|
|
if( p->packedColor > 255 ) p->packedColor = 255;
|
|
}
|
|
else if( p->type == pt_slowgrav )
|
|
{
|
|
p->vel[2] = gravity * 0.05;
|
|
}
|
|
}
|
|
|
|
pglDepthMask( GL_TRUE );
|
|
}
|
|
|
|
/*
|
|
===============
|
|
CL_DrawParticlesExternal
|
|
|
|
allow to draw effects from custom renderer
|
|
===============
|
|
*/
|
|
void CL_DrawParticlesExternal( const ref_viewpass_t *rvp, qboolean trans_pass, float frametime )
|
|
{
|
|
ref_instance_t oldRI = RI;
|
|
|
|
memcpy( &oldRI, &RI, sizeof( ref_instance_t ));
|
|
R_SetupRefParams( rvp );
|
|
R_SetupFrustum();
|
|
R_SetupGL( false ); // don't touch GL-states
|
|
|
|
// setup PVS for frame
|
|
memcpy( RI.visbytes, tr.visbytes, world.visbytes );
|
|
tr.frametime = frametime;
|
|
|
|
if( trans_pass == false )
|
|
{
|
|
CL_DrawBeams( false );
|
|
}
|
|
else
|
|
{
|
|
CL_DrawBeams( true );
|
|
CL_DrawParticles( tr.frametime );
|
|
CL_DrawTracers( tr.frametime );
|
|
}
|
|
|
|
// restore internal state
|
|
memcpy( &RI, &oldRI, sizeof( ref_instance_t ));
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_EntityParticles
|
|
|
|
set EF_BRIGHTFIELD effect
|
|
===============
|
|
*/
|
|
void R_EntityParticles( cl_entity_t *ent )
|
|
{
|
|
float angle;
|
|
float sr, sp, sy, cr, cp, cy;
|
|
vec3_t forward;
|
|
particle_t *p;
|
|
int i;
|
|
|
|
for( i = 0; i < NUMVERTEXNORMALS; i++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
angle = cl.time * cl_avelocities[i][0];
|
|
SinCos( angle, &sy, &cy );
|
|
angle = cl.time * cl_avelocities[i][1];
|
|
SinCos( angle, &sp, &cp );
|
|
angle = cl.time * cl_avelocities[i][2];
|
|
SinCos( angle, &sr, &cr );
|
|
|
|
VectorSet( forward, cp * cy, cp * sy, -sp );
|
|
|
|
p->die = cl.time + 0.001f;
|
|
p->color = 111; // yellow
|
|
|
|
VectorMAMAM( 1.0f, ent->origin, 64.0f, m_bytenormals[i], 16.0f, forward, p->org );
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_ParticleExplosion
|
|
|
|
===============
|
|
*/
|
|
void R_ParticleExplosion( const vec3_t org )
|
|
{
|
|
particle_t *p;
|
|
int i, j;
|
|
|
|
for( i = 0; i < 1024; i++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + 5.0f;
|
|
p->ramp = COM_RandomLong( 0, 3 );
|
|
p->color = ramp1[0];
|
|
|
|
for( j = 0; j < 3; j++ )
|
|
{
|
|
p->org[j] = org[j] + COM_RandomFloat( -16.0f, 16.0f );
|
|
p->vel[j] = COM_RandomFloat( -256.0f, 256.0f );
|
|
}
|
|
|
|
if( i & 1 ) p->type = pt_explode;
|
|
else p->type = pt_explode2;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_ParticleExplosion2
|
|
|
|
===============
|
|
*/
|
|
void R_ParticleExplosion2( const vec3_t org, int colorStart, int colorLength )
|
|
{
|
|
int i, j;
|
|
int colorMod = 0;
|
|
particle_t *p;
|
|
|
|
for( i = 0; i < 512; i++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + 0.3f;
|
|
p->color = colorStart + ( colorMod % colorLength );
|
|
p->packedColor = 255; // use old code for blob particles
|
|
colorMod++;
|
|
|
|
p->type = pt_blob;
|
|
|
|
for( j = 0; j < 3; j++ )
|
|
{
|
|
p->org[j] = org[j] + COM_RandomFloat( -16.0f, 16.0f );
|
|
p->vel[j] = COM_RandomFloat( -256.0f, 256.0f );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_BlobExplosion
|
|
|
|
===============
|
|
*/
|
|
void R_BlobExplosion( const vec3_t org )
|
|
{
|
|
particle_t *p;
|
|
int i, j;
|
|
|
|
for( i = 0; i < 1024; i++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + COM_RandomFloat( 2.0f, 2.4f );
|
|
p->packedColor = 255; // use old code for blob particles
|
|
|
|
if( i & 1 )
|
|
{
|
|
p->type = pt_blob;
|
|
p->color = COM_RandomLong( 66, 71 );
|
|
}
|
|
else
|
|
{
|
|
p->type = pt_blob2;
|
|
p->color = COM_RandomLong( 150, 155 );
|
|
}
|
|
|
|
for( j = 0; j < 3; j++ )
|
|
{
|
|
p->org[j] = org[j] + COM_RandomFloat( -16.0f, 16.0f );
|
|
p->vel[j] = COM_RandomFloat( -256.0f, 256.0f );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
ParticleEffect
|
|
|
|
PARTICLE_EFFECT on server
|
|
===============
|
|
*/
|
|
void R_RunParticleEffect( const vec3_t org, const vec3_t dir, int color, int count )
|
|
{
|
|
particle_t *p;
|
|
int i;
|
|
|
|
if( count == 1024 )
|
|
{
|
|
// rocket explosion
|
|
R_ParticleExplosion( org );
|
|
return;
|
|
}
|
|
|
|
for( i = 0; i < count; i++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->color = (color & ~7) + COM_RandomLong( 0, 7 );
|
|
p->die = cl.time + COM_RandomFloat( 0.1f, 0.4f );
|
|
p->type = pt_slowgrav;
|
|
|
|
VectorAddScalar( org, COM_RandomFloat( -8.0f, 8.0f ), p->org );
|
|
VectorScale( dir, 15.0f, p->vel );
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_Blood
|
|
|
|
particle spray
|
|
===============
|
|
*/
|
|
void R_Blood( const vec3_t org, const vec3_t ndir, int pcolor, int speed )
|
|
{
|
|
vec3_t pos, dir, vec;
|
|
float pspeed = speed * 3.0f;
|
|
int i, j;
|
|
particle_t *p;
|
|
|
|
VectorNormalize2( ndir, dir );
|
|
|
|
for( i = 0; i < (speed / 2); i++ )
|
|
{
|
|
VectorAddScalar( org, COM_RandomFloat( -3.0f, 3.0f ), pos );
|
|
VectorAddScalar( dir, COM_RandomFloat( -0.06f, 0.06f ), vec );
|
|
|
|
for( j = 0; j < 7; j++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + 1.5f;
|
|
p->color = pcolor + COM_RandomLong( 0, 9 );
|
|
p->type = pt_vox_grav;
|
|
|
|
VectorAddScalar( pos, COM_RandomFloat( -1.0f, 1.0f ), p->org );
|
|
VectorScale( vec, pspeed, p->vel );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_BloodStream
|
|
|
|
particle spray 2
|
|
===============
|
|
*/
|
|
void R_BloodStream( const vec3_t org, const vec3_t dir, int pcolor, int speed )
|
|
{
|
|
particle_t *p;
|
|
int i, j;
|
|
float arc;
|
|
float accel = speed;
|
|
|
|
for( arc = 0.05f, i = 0; i < 100; i++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + 2.0f;
|
|
p->type = pt_vox_grav;
|
|
p->color = pcolor + COM_RandomLong( 0, 9 );
|
|
|
|
VectorCopy( org, p->org );
|
|
VectorCopy( dir, p->vel );
|
|
|
|
p->vel[2] -= arc;
|
|
arc -= 0.005f;
|
|
VectorScale( p->vel, accel, p->vel );
|
|
accel -= 0.00001f; // so last few will drip
|
|
}
|
|
|
|
for( arc = 0.075f, i = 0; i < ( speed / 5 ); i++ )
|
|
{
|
|
float num;
|
|
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + 3.0f;
|
|
p->color = pcolor + COM_RandomLong( 0, 9 );
|
|
p->type = pt_vox_slowgrav;
|
|
|
|
VectorCopy( org, p->org );
|
|
VectorCopy( dir, p->vel );
|
|
|
|
p->vel[2] -= arc;
|
|
arc -= 0.005f;
|
|
|
|
num = COM_RandomFloat( 0.0f, 1.0f );
|
|
accel = speed * num;
|
|
num *= 1.7f;
|
|
|
|
VectorScale( p->vel, num, p->vel );
|
|
VectorScale( p->vel, accel, p->vel );
|
|
|
|
for( j = 0; j < 2; j++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + 3.0f;
|
|
p->color = pcolor + COM_RandomLong( 0, 9 );
|
|
p->type = pt_vox_slowgrav;
|
|
|
|
p->org[0] = org[0] + COM_RandomFloat( -1.0f, 1.0f );
|
|
p->org[1] = org[1] + COM_RandomFloat( -1.0f, 1.0f );
|
|
p->org[2] = org[2] + COM_RandomFloat( -1.0f, 1.0f );
|
|
|
|
VectorCopy( dir, p->vel );
|
|
p->vel[2] -= arc;
|
|
|
|
VectorScale( p->vel, num, p->vel );
|
|
VectorScale( p->vel, accel, p->vel );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_LavaSplash
|
|
|
|
===============
|
|
*/
|
|
void R_LavaSplash( const vec3_t org )
|
|
{
|
|
particle_t *p;
|
|
float vel;
|
|
vec3_t dir;
|
|
int i, j, k;
|
|
|
|
for( i = -16; i < 16; i++ )
|
|
{
|
|
for( j = -16; j <16; j++ )
|
|
{
|
|
for( k = 0; k < 1; k++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + COM_RandomFloat( 2.0f, 2.62f );
|
|
p->color = COM_RandomLong( 224, 231 );
|
|
p->type = pt_slowgrav;
|
|
|
|
dir[0] = j * 8.0f + COM_RandomFloat( 0.0f, 7.0f );
|
|
dir[1] = i * 8.0f + COM_RandomFloat( 0.0f, 7.0f );
|
|
dir[2] = 256.0f;
|
|
|
|
p->org[0] = org[0] + dir[0];
|
|
p->org[1] = org[1] + dir[1];
|
|
p->org[2] = org[2] + COM_RandomFloat( 0.0f, 63.0f );
|
|
|
|
VectorNormalize( dir );
|
|
vel = COM_RandomFloat( 50.0f, 113.0f );
|
|
VectorScale( dir, vel, p->vel );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_ParticleBurst
|
|
|
|
===============
|
|
*/
|
|
void R_ParticleBurst( const vec3_t org, int size, int color, float life )
|
|
{
|
|
particle_t *p;
|
|
vec3_t dir, dest;
|
|
int i, j;
|
|
float dist;
|
|
|
|
for( i = 0; i < 32; i++ )
|
|
{
|
|
for( j = 0; j < 32; j++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + life + COM_RandomFloat( -0.5f, 0.5f );
|
|
p->color = color + COM_RandomLong( 0, 10 );
|
|
p->ramp = 1.0f;
|
|
|
|
VectorCopy( org, p->org );
|
|
VectorAddScalar( org, COM_RandomFloat( -size, size ), dest );
|
|
VectorSubtract( dest, p->org, dir );
|
|
dist = VectorNormalizeLength( dir );
|
|
VectorScale( dir, ( dist / life ), p->vel );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_LargeFunnel
|
|
|
|
===============
|
|
*/
|
|
void R_LargeFunnel( const vec3_t org, int reverse )
|
|
{
|
|
particle_t *p;
|
|
float vel, dist;
|
|
vec3_t dir, dest;
|
|
int i, j;
|
|
|
|
for( i = -8; i < 8; i++ )
|
|
{
|
|
for( j = -8; j < 8; j++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
dest[0] = (i * 32.0f) + org[0];
|
|
dest[1] = (j * 32.0f) + org[1];
|
|
dest[2] = org[2] + COM_RandomFloat( 100.0f, 800.0f );
|
|
|
|
if( reverse )
|
|
{
|
|
VectorCopy( org, p->org );
|
|
VectorSubtract( dest, p->org, dir );
|
|
}
|
|
else
|
|
{
|
|
VectorCopy( dest, p->org );
|
|
VectorSubtract( org, p->org, dir );
|
|
}
|
|
|
|
vel = dest[2] / 8.0f;
|
|
if( vel < 64.0f ) vel = 64.0f;
|
|
|
|
dist = VectorNormalizeLength( dir );
|
|
vel += COM_RandomFloat( 64.0f, 128.0f );
|
|
VectorScale( dir, vel, p->vel );
|
|
p->die = cl.time + (dist / vel );
|
|
p->color = 244; // green color
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_TeleportSplash
|
|
|
|
===============
|
|
*/
|
|
void R_TeleportSplash( const vec3_t org )
|
|
{
|
|
particle_t *p;
|
|
vec3_t dir;
|
|
float vel;
|
|
int i, j, k;
|
|
|
|
for( i = -16; i < 16; i += 4 )
|
|
{
|
|
for( j = -16; j < 16; j += 4 )
|
|
{
|
|
for( k = -24; k < 32; k += 4 )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + COM_RandomFloat( 0.2f, 0.34f );
|
|
p->color = COM_RandomLong( 7, 14 );
|
|
p->type = pt_slowgrav;
|
|
|
|
dir[0] = j * 8.0f;
|
|
dir[1] = i * 8.0f;
|
|
dir[2] = k * 8.0f;
|
|
|
|
p->org[0] = org[0] + i + COM_RandomFloat( 0.0f, 3.0f );
|
|
p->org[1] = org[1] + j + COM_RandomFloat( 0.0f, 3.0f );
|
|
p->org[2] = org[2] + k + COM_RandomFloat( 0.0f, 3.0f );
|
|
|
|
VectorNormalize( dir );
|
|
vel = COM_RandomFloat( 50.0f, 113.0f );
|
|
VectorScale( dir, vel, p->vel );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_RocketTrail
|
|
|
|
===============
|
|
*/
|
|
void R_RocketTrail( vec3_t start, vec3_t end, int type )
|
|
{
|
|
vec3_t vec, right, up;
|
|
static int tracercount;
|
|
float s, c, x, y;
|
|
float len, dec;
|
|
particle_t *p;
|
|
|
|
VectorSubtract( end, start, vec );
|
|
len = VectorNormalizeLength( vec );
|
|
|
|
if( type == 7 )
|
|
{
|
|
VectorVectors( vec, right, up );
|
|
}
|
|
|
|
if( type < 128 )
|
|
{
|
|
dec = 3.0f;
|
|
}
|
|
else
|
|
{
|
|
dec = 1.0f;
|
|
type -= 128;
|
|
}
|
|
|
|
VectorScale( vec, dec, vec );
|
|
|
|
while( len > 0 )
|
|
{
|
|
len -= dec;
|
|
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + 2.0f;
|
|
|
|
switch( type )
|
|
{
|
|
case 0: // rocket trail
|
|
p->ramp = COM_RandomLong( 0, 3 );
|
|
p->color = ramp3[(int)p->ramp];
|
|
p->type = pt_fire;
|
|
VectorAddScalar( start, COM_RandomFloat( -3.0f, 3.0f ), p->org );
|
|
break;
|
|
case 1: // smoke smoke
|
|
p->ramp = COM_RandomLong( 2, 5 );
|
|
p->color = ramp3[(int)p->ramp];
|
|
p->type = pt_fire;
|
|
VectorAddScalar( start, COM_RandomFloat( -3.0f, 3.0f ), p->org );
|
|
break;
|
|
case 2: // blood
|
|
p->type = pt_grav;
|
|
p->color = COM_RandomLong( 67, 74 );
|
|
VectorAddScalar( start, COM_RandomFloat( -3.0f, 3.0f ), p->org );
|
|
break;
|
|
case 3:
|
|
case 5: // tracer
|
|
p->die = cl.time + 0.5f;
|
|
|
|
if( type == 3 ) p->color = 52 + (( tracercount & 4 )<<1 );
|
|
else p->color = 230 + (( tracercount & 4 )<<1 );
|
|
|
|
VectorCopy( start, p->org );
|
|
tracercount++;
|
|
|
|
if( FBitSet( tracercount, 1 ))
|
|
{
|
|
p->vel[0] = 30.0f * vec[1];
|
|
p->vel[1] = 30.0f * -vec[0];
|
|
}
|
|
else
|
|
{
|
|
p->vel[0] = 30.0f * -vec[1];
|
|
p->vel[1] = 30.0f * vec[0];
|
|
}
|
|
break;
|
|
case 4: // slight blood
|
|
p->type = pt_grav;
|
|
p->color = COM_RandomLong( 67, 70 );
|
|
VectorAddScalar( start, COM_RandomFloat( -3.0f, 3.0f ), p->org );
|
|
len -= 3.0f;
|
|
break;
|
|
case 6: // voor trail
|
|
p->color = COM_RandomLong( 152, 155 );
|
|
p->die += 0.3f;
|
|
VectorAddScalar( start, COM_RandomFloat( -8.0f, 8.0f ), p->org );
|
|
break;
|
|
case 7: // explosion tracer
|
|
x = COM_RandomLong( 0, 65535 );
|
|
y = COM_RandomLong( 8, 16 );
|
|
SinCos( x, &s, &c );
|
|
s *= y;
|
|
c *= y;
|
|
|
|
VectorMAMAM( 1.0f, start, s, right, c, up, p->org );
|
|
VectorSubtract( start, p->org, p->vel );
|
|
VectorScale( p->vel, 2.0f, p->vel );
|
|
VectorMA( p->vel, COM_RandomFloat( 96.0f, 111.0f ), vec, p->vel );
|
|
p->ramp = COM_RandomLong( 0, 3 );
|
|
p->color = ramp3[(int)p->ramp];
|
|
p->type = pt_explode2;
|
|
break;
|
|
default:
|
|
// just build line to show error
|
|
VectorCopy( start, p->org );
|
|
break;
|
|
}
|
|
|
|
VectorAdd( start, vec, start );
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
R_ParticleLine
|
|
|
|
================
|
|
*/
|
|
void R_ParticleLine( const vec3_t start, const vec3_t end, byte r, byte g, byte b, float life )
|
|
{
|
|
int pcolor;
|
|
|
|
pcolor = R_LookupColor( r, g, b );
|
|
PM_ParticleLine( start, end, pcolor, life, 0 );
|
|
}
|
|
|
|
/*
|
|
================
|
|
R_ParticleBox
|
|
|
|
================
|
|
*/
|
|
void R_ParticleBox( const vec3_t absmin, const vec3_t absmax, byte r, byte g, byte b, float life )
|
|
{
|
|
vec3_t mins, maxs;
|
|
vec3_t origin;
|
|
int pcolor;
|
|
|
|
pcolor = R_LookupColor( r, g, b );
|
|
|
|
VectorAverage( absmax, absmin, origin );
|
|
VectorSubtract( absmax, origin, maxs );
|
|
VectorSubtract( absmin, origin, mins );
|
|
|
|
PM_DrawBBox( mins, maxs, origin, pcolor, life );
|
|
}
|
|
|
|
/*
|
|
================
|
|
R_ShowLine
|
|
|
|
================
|
|
*/
|
|
void R_ShowLine( const vec3_t start, const vec3_t end )
|
|
{
|
|
vec3_t dir, org;
|
|
float len;
|
|
particle_t *p;
|
|
|
|
VectorSubtract( end, start, dir );
|
|
len = VectorNormalizeLength( dir );
|
|
VectorScale( dir, 5.0f, dir );
|
|
VectorCopy( start, org );
|
|
|
|
while( len > 0 )
|
|
{
|
|
len -= 5.0f;
|
|
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
p->die = cl.time + 30;
|
|
p->color = 75;
|
|
|
|
VectorCopy( org, p->org );
|
|
VectorAdd( org, dir, org );
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_BulletImpactParticles
|
|
|
|
===============
|
|
*/
|
|
void R_BulletImpactParticles( const vec3_t pos )
|
|
{
|
|
int i, quantity;
|
|
int color;
|
|
float dist;
|
|
vec3_t dir;
|
|
particle_t *p;
|
|
|
|
VectorSubtract( pos, RI.vieworg, dir );
|
|
dist = VectorLength( dir );
|
|
if( dist > 1000.0f ) dist = 1000.0f;
|
|
|
|
quantity = (1000.0f - dist) / 100.0f;
|
|
if( quantity == 0 ) quantity = 1;
|
|
|
|
color = 3 - ((30 * quantity) / 100 );
|
|
R_SparkStreaks( pos, 2, -200, 200 );
|
|
|
|
for( i = 0; i < quantity * 4; i++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
VectorCopy( pos, p->org);
|
|
|
|
p->vel[0] = COM_RandomFloat( -1.0f, 1.0f );
|
|
p->vel[1] = COM_RandomFloat( -1.0f, 1.0f );
|
|
p->vel[2] = COM_RandomFloat( -1.0f, 1.0f );
|
|
VectorScale( p->vel, COM_RandomFloat( 50.0f, 100.0f ), p->vel );
|
|
|
|
p->die = cl.time + 0.5;
|
|
p->color = 3 - color;
|
|
p->type = pt_grav;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_FlickerParticles
|
|
|
|
===============
|
|
*/
|
|
void R_FlickerParticles( const vec3_t org )
|
|
{
|
|
particle_t *p;
|
|
int i;
|
|
|
|
for( i = 0; i < 15; i++ )
|
|
{
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
VectorCopy( org, p->org );
|
|
p->vel[0] = COM_RandomFloat( -32.0f, 32.0f );
|
|
p->vel[1] = COM_RandomFloat( -32.0f, 32.0f );
|
|
p->vel[2] = COM_RandomFloat( 80.0f, 143.0f );
|
|
|
|
p->die = cl.time + 2.0f;
|
|
p->type = pt_blob2;
|
|
p->color = 254;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_StreakSplash
|
|
|
|
create a splash of streaks
|
|
===============
|
|
*/
|
|
void R_StreakSplash( const vec3_t pos, const vec3_t dir, int color, int count, float speed, int velocityMin, int velocityMax )
|
|
{
|
|
vec3_t vel, vel2;
|
|
particle_t *p;
|
|
int i;
|
|
|
|
VectorScale( dir, speed, vel );
|
|
|
|
for( i = 0; i < count; i++ )
|
|
{
|
|
VectorAddScalar( vel, COM_RandomFloat( velocityMin, velocityMax ), vel2 );
|
|
p = R_AllocTracer( pos, vel2, COM_RandomFloat( 0.1f, 0.5f ));
|
|
if( !p ) return;
|
|
|
|
p->type = pt_grav;
|
|
p->color = color;
|
|
p->ramp = 1.0f;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_DebugParticle
|
|
|
|
just for debug purposes
|
|
===============
|
|
*/
|
|
void R_DebugParticle( const vec3_t pos, byte r, byte g, byte b )
|
|
{
|
|
particle_t *p;
|
|
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
VectorCopy( pos, p->org );
|
|
p->color = R_LookupColor( r, g, b );
|
|
p->die = cl.time + 0.01f;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
CL_Particle
|
|
|
|
pmove debugging particle
|
|
===============
|
|
*/
|
|
void CL_Particle( const vec3_t org, int color, float life, int zpos, int zvel )
|
|
{
|
|
particle_t *p;
|
|
|
|
p = R_AllocParticle( NULL );
|
|
if( !p ) return;
|
|
|
|
if( org ) VectorCopy( org, p->org );
|
|
p->die = cl.time + life;
|
|
p->vel[2] += zvel; // ???
|
|
p->color = color;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_TracerEffect
|
|
|
|
===============
|
|
*/
|
|
void R_TracerEffect( const vec3_t start, const vec3_t end )
|
|
{
|
|
vec3_t pos, vel, dir;
|
|
float len, speed;
|
|
float offset;
|
|
|
|
speed = Q_max( tracerspeed->value, 3.0f );
|
|
|
|
VectorSubtract( end, start, dir );
|
|
len = VectorLength( dir );
|
|
if( len == 0.0f ) return;
|
|
|
|
VectorScale( dir, 1.0f / len, dir ); // normalize
|
|
offset = COM_RandomFloat( -10.0f, 9.0f ) + traceroffset->value;
|
|
VectorScale( dir, offset, vel );
|
|
VectorAdd( start, vel, pos );
|
|
VectorScale( dir, speed, vel );
|
|
|
|
R_AllocTracer( pos, vel, len / speed );
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_UserTracerParticle
|
|
|
|
===============
|
|
*/
|
|
void R_UserTracerParticle( float *org, float *vel, float life, int colorIndex, float length, byte deathcontext, void (*deathfunc)( particle_t *p ))
|
|
{
|
|
particle_t *p;
|
|
|
|
if( colorIndex < 0 )
|
|
{
|
|
MsgDev( D_ERROR, "UserTracer with color < 0\n" );
|
|
return;
|
|
}
|
|
|
|
if( colorIndex > ARRAYSIZE( gTracerColors ))
|
|
{
|
|
MsgDev( D_ERROR, "UserTracer with color > %d\n", ARRAYSIZE( gTracerColors ));
|
|
return;
|
|
}
|
|
|
|
if(( p = R_AllocTracer( org, vel, life )) != NULL )
|
|
{
|
|
p->context = deathcontext;
|
|
p->deathfunc = deathfunc;
|
|
p->color = colorIndex;
|
|
p->ramp = length;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_TracerParticles
|
|
|
|
allow more customization
|
|
===============
|
|
*/
|
|
particle_t *R_TracerParticles( float *org, float *vel, float life )
|
|
{
|
|
return R_AllocTracer( org, vel, life );
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_SparkStreaks
|
|
|
|
create a streak tracers
|
|
===============
|
|
*/
|
|
void R_SparkStreaks( const vec3_t pos, int count, int velocityMin, int velocityMax )
|
|
{
|
|
particle_t *p;
|
|
vec3_t vel;
|
|
int i;
|
|
|
|
for( i = 0; i<count; i++ )
|
|
{
|
|
vel[0] = COM_RandomFloat( velocityMin, velocityMax );
|
|
vel[1] = COM_RandomFloat( velocityMin, velocityMax );
|
|
vel[2] = COM_RandomFloat( velocityMin, velocityMax );
|
|
|
|
p = R_AllocTracer( pos, vel, COM_RandomFloat( 0.1f, 0.5f ));
|
|
if( !p ) return;
|
|
|
|
p->color = 5;
|
|
p->type = pt_grav;
|
|
p->ramp = 0.5f;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_Implosion
|
|
|
|
make implosion tracers
|
|
===============
|
|
*/
|
|
void R_Implosion( const vec3_t end, float radius, int count, float life )
|
|
{
|
|
float dist = ( radius / 100.0f );
|
|
vec3_t start, temp, vel;
|
|
float factor;
|
|
particle_t *p;
|
|
int i;
|
|
|
|
if( life <= 0.0f ) life = 0.1f; // to avoid divide by zero
|
|
factor = -1.0 / life;
|
|
|
|
for ( i = 0; i < count; i++ )
|
|
{
|
|
temp[0] = dist * COM_RandomFloat( -100.0f, 100.0f );
|
|
temp[1] = dist * COM_RandomFloat( -100.0f, 100.0f );
|
|
temp[2] = dist * COM_RandomFloat( 0.0f, 100.0f );
|
|
VectorScale( temp, factor, vel );
|
|
VectorAdd( temp, end, start );
|
|
|
|
if(( p = R_AllocTracer( start, vel, life )) == NULL )
|
|
return;
|
|
|
|
p->type = pt_explode;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
CL_ReadPointFile_f
|
|
|
|
===============
|
|
*/
|
|
void CL_ReadPointFile_f( void )
|
|
{
|
|
char *afile, *pfile;
|
|
vec3_t org;
|
|
int count;
|
|
particle_t *p;
|
|
char filename[64];
|
|
string token;
|
|
|
|
Q_snprintf( filename, sizeof( filename ), "maps/%s.pts", clgame.mapname );
|
|
afile = FS_LoadFile( filename, NULL, false );
|
|
|
|
if( !afile )
|
|
{
|
|
MsgDev( D_ERROR, "couldn't open %s\n", filename );
|
|
return;
|
|
}
|
|
|
|
Msg( "Reading %s...\n", filename );
|
|
|
|
count = 0;
|
|
pfile = afile;
|
|
|
|
while( 1 )
|
|
{
|
|
pfile = COM_ParseFile( pfile, token );
|
|
if( !pfile ) break;
|
|
org[0] = Q_atof( token );
|
|
|
|
pfile = COM_ParseFile( pfile, token );
|
|
if( !pfile ) break;
|
|
org[1] = Q_atof( token );
|
|
|
|
pfile = COM_ParseFile( pfile, token );
|
|
if( !pfile ) break;
|
|
org[2] = Q_atof( token );
|
|
|
|
count++;
|
|
|
|
if( !cl_free_particles )
|
|
{
|
|
MsgDev( D_ERROR, "CL_ReadPointFile: not enough free particles!\n" );
|
|
break;
|
|
}
|
|
|
|
// NOTE: can't use R_AllocParticle because this command
|
|
// may be executed from the console, while frametime is 0
|
|
p = cl_free_particles;
|
|
cl_free_particles = p->next;
|
|
p->next = cl_active_particles;
|
|
cl_active_particles = p;
|
|
|
|
p->ramp = 0;
|
|
p->type = pt_static;
|
|
p->die = cl.time + 99999;
|
|
p->color = (-count) & 15;
|
|
VectorCopy( org, p->org );
|
|
VectorClear( p->vel );
|
|
}
|
|
|
|
Mem_Free( afile );
|
|
|
|
if( count ) Msg( "%i points read\n", count );
|
|
else Msg( "map %s has no leaks!\n", clgame.mapname );
|
|
} |