/*
* CG_BlasterTrail
*/
void CG_BlasterTrail( const vec3_t start, const vec3_t end ) {
int j, count;
vec3_t move, vec;
float len;
//const float dec = 5.0f;
const float dec = 3.0f;
cparticle_t *p;
if( !cg_particles->integer ) {
return;
}
VectorCopy( start, move );
VectorSubtract( end, start, vec );
len = VectorNormalize( vec );
VectorScale( vec, dec, vec );
count = (int)( len / dec ) + 1;
if( cg_numparticles + count > MAX_PARTICLES ) {
count = MAX_PARTICLES - cg_numparticles;
}
for( p = &particles[cg_numparticles], cg_numparticles += count; count > 0; count--, p++ ) {
CG_InitParticle( p, 2.5f, 0.25f, 1.0f, 0.85f, 0, NULL );
p->alphavel = -1.0 / ( 0.1 + random() * 0.2 );
for( j = 0; j < 3; j++ ) {
p->org[j] = move[j] + crandom();
p->vel[j] = crandom() * 5;
}
VectorClear( p->accel );
VectorAdd( move, vec, move );
}
}
/*
* CG_HighVelImpactPuffParticles
* High velocity wall impact puffs
*/
void CG_HighVelImpactPuffParticles( const vec3_t org, const vec3_t dir, int count, float scale, float r, float g, float b, float a, struct shader_s *shader ) {
int j;
float d;
cparticle_t *p;
if( !cg_particles->integer ) {
return;
}
if( cg_numparticles + count > MAX_PARTICLES ) {
count = MAX_PARTICLES - cg_numparticles;
}
for( p = &particles[cg_numparticles], cg_numparticles += count; count > 0; count--, p++ ) {
CG_InitParticle( p, scale, a, r, g, b, shader );
d = rand() & 15;
for( j = 0; j < 3; j++ ) {
p->org[j] = org[j] + ( ( rand() & 7 ) - 4 ) + d * dir[j];
p->vel[j] = dir[j] * 180 + crandom() * 40;
}
p->accel[0] = p->accel[1] = 0;
p->accel[2] = -PARTICLE_GRAVITY * 2;
p->alphavel = -5.0 / ( 0.5 + random() * 0.3 );
}
}
/*
* CG_ParticleExplosionEffect
*/
void CG_ParticleExplosionEffect( const vec3_t org, const vec3_t dir, float r, float g, float b, int count ) {
int j;
cparticle_t *p;
float d;
if( !cg_particles->integer ) {
return;
}
if( cg_numparticles + count > MAX_PARTICLES ) {
count = MAX_PARTICLES - cg_numparticles;
}
for( p = &particles[cg_numparticles], cg_numparticles += count; count > 0; count--, p++ ) {
CG_InitParticle( p, 0.75, 1, r + random() * 0.1, g + random() * 0.1, b + random() * 0.1, NULL );
d = rand() & 31;
for( j = 0; j < 3; j++ ) {
p->org[j] = org[j] + ( ( rand() & 7 ) - 4 ) + d * dir[j];
p->vel[j] = crandom() * 400;
}
//p->accel[0] = p->accel[1] = 0;
p->accel[2] = -PARTICLE_GRAVITY;
p->alphavel = -1.0 / ( 0.7 + random() * 0.25 );
}
}
/*
* CG_ParticleEffect2
*/
void CG_ParticleEffect2( vec3_t org, vec3_t dir, float r, float g, float b, int count )
{
int j;
float d;
cparticle_t *p;
if( !cg_particles->integer )
return;
if( cg_numparticles + count > MAX_PARTICLES )
count = MAX_PARTICLES - cg_numparticles;
for( p = &particles[cg_numparticles], cg_numparticles += count; count > 0; count--, p++ )
{
CG_InitParticle( p, 1, 1, r, g, b, NULL );
d = rand()&7;
for( j = 0; j < 3; j++ )
{
p->org[j] = org[j] + ( ( rand()&7 ) - 4 ) + d * dir[j];
p->vel[j] = crandom() * 20;
}
p->accel[0] = p->accel[1] = 0;
p->accel[2] = -PARTICLE_GRAVITY;
p->alphavel = -1.0 / ( 0.5 + random() * 0.3 );
}
}
/*
* CG_FlyParticles
*/
static void CG_FlyParticles( const vec3_t origin, int count ) {
int i, j;
float angle, sp, sy, cp, cy;
vec3_t forward, dir;
float dist, ltime;
cparticle_t *p;
if( !cg_particles->integer ) {
return;
}
if( count > NUMVERTEXNORMALS ) {
count = NUMVERTEXNORMALS;
}
if( !avelocities[0][0] ) {
for( i = 0; i < NUMVERTEXNORMALS; i++ )
for( j = 0; j < 3; j++ )
avelocities[i][j] = ( rand() & 255 ) * 0.01;
}
i = 0;
ltime = (float)cg.time / 1000.0;
count /= 2;
if( cg_numparticles + count > MAX_PARTICLES ) {
count = MAX_PARTICLES - cg_numparticles;
}
for( p = &particles[cg_numparticles], cg_numparticles += count; count > 0; count--, p++ ) {
CG_InitParticle( p, 1, 1, 0, 0, 0, NULL );
angle = ltime * avelocities[i][0];
sy = sin( angle );
cy = cos( angle );
angle = ltime * avelocities[i][1];
sp = sin( angle );
cp = cos( angle );
forward[0] = cp * cy;
forward[1] = cp * sy;
forward[2] = -sp;
dist = sin( ltime + i ) * 64;
ByteToDir( i, dir );
p->org[0] = origin[0] + dir[0] * dist + forward[0] * BEAMLENGTH;
p->org[1] = origin[1] + dir[1] * dist + forward[1] * BEAMLENGTH;
p->org[2] = origin[2] + dir[2] * dist + forward[2] * BEAMLENGTH;
VectorClear( p->vel );
VectorClear( p->accel );
p->alphavel = -100;
i += 2;
}
}
/*
* CG_ElectroWeakTrail
*/
void CG_ElectroWeakTrail( const vec3_t start, const vec3_t end, const vec4_t color ) {
int j, count;
vec3_t move, vec;
float len;
const float dec = 5;
cparticle_t *p;
vec4_t ucolor = { 1.0f, 1.0f, 1.0f, 0.8f };
if( color ) {
VectorCopy( color, ucolor );
}
if( !cg_particles->integer ) {
return;
}
VectorCopy( start, move );
VectorSubtract( end, start, vec );
len = VectorNormalize( vec );
VectorScale( vec, dec, vec );
count = (int)( len / dec ) + 1;
if( cg_numparticles + count > MAX_PARTICLES ) {
count = MAX_PARTICLES - cg_numparticles;
}
for( p = &particles[cg_numparticles], cg_numparticles += count; count > 0; count--, p++ ) {
//CG_InitParticle( p, 2.0f, 0.8f, 1.0f, 1.0f, 1.0f, NULL );
CG_InitParticle( p, 2.0f, ucolor[3], ucolor[0], ucolor[1], ucolor[2], NULL );
p->alphavel = -1.0 / ( 0.2 + random() * 0.1 );
for( j = 0; j < 3; j++ ) {
p->org[j] = move[j] + random();/* + crandom();*/
p->vel[j] = crandom() * 2;
}
VectorClear( p->accel );
VectorAdd( move, vec, move );
}
}
/*
* CG_ElectroIonsTrail
*/
void CG_ElectroIonsTrail( vec3_t start, vec3_t end )
{
#define MAX_BOLT_IONS 48
int i, count;
vec3_t move, vec;
float len;
float dec2 = 24.0f;
cparticle_t *p;
if( !cg_particles->integer )
return;
VectorSubtract( end, start, vec );
len = VectorNormalize( vec );
count = (int)( len / dec2 ) + 1;
if( count > MAX_BOLT_IONS )
{
count = MAX_BOLT_IONS;
dec2 = len / count;
}
VectorScale( vec, dec2, vec );
VectorCopy( start, move );
if( cg_numparticles + count > MAX_PARTICLES )
count = MAX_PARTICLES - cg_numparticles;
for( p = &particles[cg_numparticles], cg_numparticles += count; count > 0; count--, p++ )
{
CG_InitParticle( p, 1.2f, 1, 0.8f + crandom()*0.1, 0.8f + crandom()*0.1, 0.8f + crandom()*0.1, NULL );
for( i = 0; i < 3; i++ )
{
p->org[i] = move[i];
p->vel[i] = crandom()*4;
}
p->alphavel = -1.0 / ( 0.6 + random()*0.6 );
VectorClear( p->accel );
VectorAdd( move, vec, move );
}
}
void CG_ElectroIonsTrail2( const vec3_t start, const vec3_t end, const vec4_t color ) {
#define MAX_RING_IONS 96
int count;
vec3_t move, vec;
float len;
float dec2 = 8.0f;
cparticle_t *p;
if( !cg_particles->integer ) {
return;
}
VectorSubtract( end, start, vec );
len = VectorNormalize( vec );
count = (int)( len / dec2 ) + 1;
if( count > MAX_RING_IONS ) {
count = MAX_RING_IONS;
dec2 = len / count;
}
VectorScale( vec, dec2, vec );
VectorCopy( start, move );
if( cg_numparticles + count > MAX_PARTICLES ) {
count = MAX_PARTICLES - cg_numparticles;
}
// Ring rail eb particles
for( p = &particles[cg_numparticles], cg_numparticles += count; count > 0; count--, p++ ) {
CG_InitParticle( p, 0.65f, color[3], color[0] + crandom() * 0.1, color[1] + crandom() * 0.1, color[2] + crandom() * 0.1, NULL );
p->alphavel = -1.0 / ( 0.6 + random() * 0.6 );
VectorCopy( move, p->org );
VectorClear( p->accel );
VectorClear( p->vel );
VectorAdd( move, vec, move );
}
}
/**
* CG_AddLinearTrail
* Add a partical trail following the given entity
* @param cent The entity to follow
* @param lifetime How long the particles should last in seconds (?? verify)
*/
void CG_AddLinearTrail( centity_t *cent, float lifetime )
{
cparticle_t *p;
float r, g, b, a, s;
if( cg_numparticles + 1 > MAX_PARTICLES )
return;
if( cg_playerTrailsColor->string != NULL &&
sscanf( cg_playerTrailsColor->string, "%f %f %f", &r, &g, &b ) == 3 )
{
if( r == -1.0f )
r = (float) rand()/RAND_MAX;
if( g == -1.0f )
g = (float) rand()/RAND_MAX;
if( b == -1.0f )
b = (float) rand()/RAND_MAX;
r = r < 0.0f ? 0.0f :
r > 1.0f ? 1.0f : r;
g = g < 0.0f ? 0.0f :
g > 1.0f ? 1.0f : g;
b = b < 0.0f ? 0.0f :
b > 1.0f ? 1.0f : b;
} else if(cg_playerTrailsColor->integer == 1)
{
switch( cent->current.number )
{
case 1: r = 1.0f; g = 0.0f; b = 0.0f; break;
case 2: r = 0.0f; g = 1.0f; b = 0.0f; break;
case 3: r = 0.0f; g = 0.0f; b = 1.0f; break;
case 4: r = 1.0f; g = 1.0f; b = 0.0f; break;
case 5: r = 1.0f; g = 0.0f; b = 1.0f; break;
case 6: r = 0.0f; g = 1.0f; b = 1.0f; break;
case 7: r = 1.0f; g = 1.0f; b = 1.0f; break;
case 8: r = 1.0f; g = 0.5f; b = 0.0f; break;
case 9: r = 1.0f; g = 0.0f; b = 0.5f; break;
case 10: r = 0.25f; g = 0.0f; b = 0.5f; break;
case 11: r = 1.0f; g = 0.25f; b = 0.25f; break;
case 12: r = 0.0f; g = 0.0f; b = 0.25f; break;
case 13: r = 0.0f; g = 0.5f; b = 0.0f; break;
case 14: r = 0.5f; g = 0.0f; b = 0.0f; break;
case 15: r = 0.25f; g = 0.5f; b = 1.0f; break;
case 16: r = 0.0f; g = 0.0f; b = 0.0f; break;
}
}
else
{
r = 0.0f;
g = 1.0f;
b = 0.0f;
}
if( cg_playerTrailsAlpha->string != NULL &&
sscanf( cg_playerTrailsAlpha->string, "%f", &a ) == 1 )
{
a = a < 0.0f ? 0.0f :
a > 1.0f ? 1.0f : a;
}
else
{
a = 1.0f;
}
if( cg_playerTrailsSize->string != NULL &&
sscanf( cg_playerTrailsSize->string, "%f", &s ) == 1 )
{
s = s < 0.0f ? 0.0f :
s > 100.0f ? 1.0f : s;
}
else
{
s = 1.0f;
}
// Own player trail shows up when looking straight down
// maybe move particle a bit behind player
// maybe don't show own trail at all
p = &particles[cg_numparticles++];
CG_InitParticle( p, s, a, r, g, b, NULL );
VectorCopy( cent->ent.origin, p->org );
p->alphavel = -( 1.0f / lifetime );
}
