void CL_DrawParticles( void )
{
particle_t *p, *kill;
float frametime;
static int framecount = -1;
if( !cl_draw_particles->integer )
return;
// HACKHACK: don't evaluate particles when executes many times at same frame
// e.g. mirror rendering
if( framecount != tr.realframecount )
{
frametime = cl.time - cl.oldtime;
framecount = tr.realframecount;
}
else frametime = 0.0f;
if( tracerred->modified || tracergreen->modified || tracerblue->modified )
{
gTracerColors[4][0] = (byte)(tracerred->value * 255);
gTracerColors[4][1] = (byte)(tracergreen->value * 255);
gTracerColors[4][2] = (byte)(tracerblue->value * 255);
tracerred->modified = tracergreen->modified = tracerblue->modified = false;
}
while( 1 )
{
// free time-expired particles
kill = cl_active_particles;
if( kill && kill->die < cl.time )
{
cl_active_particles = kill->next;
CL_FreeParticle( kill );
continue;
}
break;
}
for( p = cl_active_particles; p; p = p->next )
{
while( 1 )
{
kill = p->next;
if( kill && kill->die < cl.time )
{
p->next = kill->next;
CL_FreeParticle( kill );
continue;
}
break;
}
CL_UpdateParticle( p, frametime );
}
}
void CL_UpdateParticles( float gravityBase ) {
float frametime = cls.frametime * 0.001;
float time1 = frametime * 5;
float time2 = frametime * 10;
float time3 = frametime * 15;
float time4 = frametime * 20;
float dvel = 4 * frametime;
int killTime = cl.serverTime - 1;
float grav = frametime * gravityBase * 0.05;
float grav2 = frametime * gravityBase * 0.025;
float percent = frametime / HX_FRAME_TIME;
for ( cparticle_t* p = active_particles; p; p = p->next ) {
CL_UpdateParticle( p, frametime, time1, time2, time3, time4, killTime, grav, dvel, percent, grav2 );
}
}