//-----------------------------------------------------------------------------
// Purpose: Retrieve and alter lighting for splashes
// Input : position - point to check
// *color - tint of the lighting at this point
// *luminosity - adjusted luminosity at this point
//-----------------------------------------------------------------------------
inline void FX_GetSplashLighting( Vector position, Vector *color, float *luminosity )
{
// Compute our lighting at our position
Vector totalColor = engine->GetLightForPoint( position, true );
// Get our lighting information
UTIL_GetNormalizedColorTintAndLuminosity( totalColor, color, luminosity );
// Fake a specular highlight (too dim otherwise)
if ( luminosity != NULL )
{
*luminosity = MIN( 1.0f, (*luminosity) * 4.0f );
// Clamp so that we never go completely translucent
if ( *luminosity < 0.25f )
{
*luminosity = 0.25f;
}
}
// Only take a quarter of the tint, mostly we want to be white
if ( color != NULL )
{
(*color) = ( (*color) * 0.25f ) + Vector( 0.75f, 0.75f, 0.75f );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_BaseExplosionEffect::CreateCore( void )
{
if ( m_fFlags & TE_EXPLFLAG_NOFIREBALL )
return;
Vector offset;
int i;
//Spread constricts as force rises
float force = m_flForce;
//Cap our force
if ( force < EXPLOSION_FORCE_MIN )
force = EXPLOSION_FORCE_MIN;
if ( force > EXPLOSION_FORCE_MAX )
force = EXPLOSION_FORCE_MAX;
float spread = 1.0f - (0.15f*force);
SimpleParticle *pParticle;
CSmartPtr<CExplosionParticle> pSimple = CExplosionParticle::Create( "exp_smoke" );
pSimple->SetSortOrigin( m_vecOrigin );
pSimple->SetNearClip( 64, 128 );
pSimple->GetBinding().SetBBox( m_vecOrigin - Vector( 128, 128, 128 ), m_vecOrigin + Vector( 128, 128, 128 ) );
if ( m_Material_Smoke == NULL )
{
m_Material_Smoke = g_Mat_DustPuff[1];
}
//FIXME: Better sampling area
offset = m_vecOrigin + ( m_vecDirection * 32.0f );
//Find area ambient light color and use it to tint smoke
Vector worldLight = WorldGetLightForPoint( offset, true );
Vector tint;
float luminosity;
if ( worldLight == vec3_origin )
{
tint = vec3_origin;
luminosity = 0.0f;
}
else
{
UTIL_GetNormalizedColorTintAndLuminosity( worldLight, &tint, &luminosity );
}
// We only take a portion of the tint
tint = (tint * 0.25f)+(Vector(0.75f,0.75f,0.75f));
// Rescale to a character range
luminosity *= 255;
if ( (m_fFlags & TE_EXPLFLAG_NOFIREBALLSMOKE) == 0 )
{
//
// Smoke - basic internal filler
//
for ( i = 0; i < 4; i++ )
{
pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), m_Material_Smoke, m_vecOrigin );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
#ifdef INVASION_CLIENT_DLL
pParticle->m_flDieTime = random->RandomFloat( 0.5f, 1.0f );
#endif
#ifdef _XBOX
pParticle->m_flDieTime = 1.0f;
#else
pParticle->m_flDieTime = random->RandomFloat( 2.0f, 3.0f );
#endif
pParticle->m_vecVelocity.Random( -spread, spread );
pParticle->m_vecVelocity += ( m_vecDirection * random->RandomFloat( 1.0f, 6.0f ) );
VectorNormalize( pParticle->m_vecVelocity );
float fForce = random->RandomFloat( 1, 750 ) * force;
//Scale the force down as we fall away from our main direction
ScaleForceByDeviation( pParticle->m_vecVelocity, m_vecDirection, spread, &fForce );
pParticle->m_vecVelocity *= fForce;
#if __EXPLOSION_DEBUG
debugoverlay->AddLineOverlay( m_vecOrigin, m_vecOrigin + pParticle->m_vecVelocity, 255, 0, 0, false, 3 );
#endif
int nColor = random->RandomInt( luminosity*0.5f, luminosity );
pParticle->m_uchColor[0] = ( worldLight[0] * nColor );
pParticle->m_uchColor[1] = ( worldLight[1] * nColor );
pParticle->m_uchColor[2] = ( worldLight[2] * nColor );
pParticle->m_uchStartSize = 72;
pParticle->m_uchEndSize = pParticle->m_uchStartSize * 2;
pParticle->m_uchStartAlpha = 255;
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -2.0f, 2.0f );
}
}
//
// Inner core
//
#ifndef _XBOX
for ( i = 0; i < 8; i++ )
{
offset.Random( -16.0f, 16.0f );
offset += m_vecOrigin;
pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), m_Material_Smoke, offset );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
#ifdef INVASION_CLIENT_DLL
pParticle->m_flDieTime = random->RandomFloat( 0.5f, 1.0f );
#else
pParticle->m_flDieTime = random->RandomFloat( 0.5f, 1.0f );
#endif
pParticle->m_vecVelocity.Random( -spread, spread );
pParticle->m_vecVelocity += ( m_vecDirection * random->RandomFloat( 1.0f, 6.0f ) );
VectorNormalize( pParticle->m_vecVelocity );
float fForce = random->RandomFloat( 1, 2000 ) * force;
//Scale the force down as we fall away from our main direction
ScaleForceByDeviation( pParticle->m_vecVelocity, m_vecDirection, spread, &fForce );
pParticle->m_vecVelocity *= fForce;
#if __EXPLOSION_DEBUG
debugoverlay->AddLineOverlay( m_vecOrigin, m_vecOrigin + pParticle->m_vecVelocity, 255, 0, 0, false, 3 );
#endif
int nColor = random->RandomInt( luminosity*0.5f, luminosity );
pParticle->m_uchColor[0] = ( worldLight[0] * nColor );
pParticle->m_uchColor[1] = ( worldLight[1] * nColor );
pParticle->m_uchColor[2] = ( worldLight[2] * nColor );
pParticle->m_uchStartSize = random->RandomInt( 32, 64 );
pParticle->m_uchEndSize = pParticle->m_uchStartSize * 2;
pParticle->m_uchStartAlpha = random->RandomFloat( 128, 255 );
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -8.0f, 8.0f );
}
}
#endif // !_XBOX
//
// Ground ring
//
Vector vRight, vUp;
VectorVectors( m_vecDirection, vRight, vUp );
Vector forward;
#ifndef INVASION_CLIENT_DLL
#ifndef _XBOX
int numRingSprites = 32;
#else
int numRingSprites = 8;
#endif
float flIncr = (2*M_PI) / (float) numRingSprites; // Radians
float flYaw = 0.0f;
for ( i = 0; i < numRingSprites; i++ )
{
flYaw += flIncr;
SinCos( flYaw, &forward.y, &forward.x );
forward.z = 0.0f;
offset = ( RandomVector( -4.0f, 4.0f ) + m_vecOrigin ) + ( forward * random->RandomFloat( 8.0f, 16.0f ) );
pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), m_Material_Smoke, offset );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = random->RandomFloat( 0.5f, 1.5f );
pParticle->m_vecVelocity = forward;
float fForce = random->RandomFloat( 500, 2000 ) * force;
//Scale the force down as we fall away from our main direction
ScaleForceByDeviation( pParticle->m_vecVelocity, pParticle->m_vecVelocity, spread, &fForce );
pParticle->m_vecVelocity *= fForce;
#if __EXPLOSION_DEBUG
debugoverlay->AddLineOverlay( m_vecOrigin, m_vecOrigin + pParticle->m_vecVelocity, 255, 0, 0, false, 3 );
#endif
int nColor = random->RandomInt( luminosity*0.5f, luminosity );
pParticle->m_uchColor[0] = ( worldLight[0] * nColor );
pParticle->m_uchColor[1] = ( worldLight[1] * nColor );
pParticle->m_uchColor[2] = ( worldLight[2] * nColor );
pParticle->m_uchStartSize = random->RandomInt( 16, 32 );
pParticle->m_uchEndSize = pParticle->m_uchStartSize * 4;
pParticle->m_uchStartAlpha = random->RandomFloat( 16, 32 );
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -8.0f, 8.0f );
}
}
#endif
}
#ifndef _XBOX
//
// Embers
//
if ( m_Material_Embers[0] == NULL )
{
m_Material_Embers[0] = pSimple->GetPMaterial( "effects/fire_embers1" );
}
if ( m_Material_Embers[1] == NULL )
{
m_Material_Embers[1] = pSimple->GetPMaterial( "effects/fire_embers2" );
}
for ( i = 0; i < 16; i++ )
{
offset.Random( -32.0f, 32.0f );
offset += m_vecOrigin;
pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), m_Material_Embers[random->RandomInt(0,1)], offset );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = random->RandomFloat( 2.0f, 3.0f );
pParticle->m_vecVelocity.Random( -spread*2, spread*2 );
pParticle->m_vecVelocity += m_vecDirection;
VectorNormalize( pParticle->m_vecVelocity );
float fForce = random->RandomFloat( 1.0f, 400.0f );
//Scale the force down as we fall away from our main direction
float vDev = ScaleForceByDeviation( pParticle->m_vecVelocity, m_vecDirection, spread );
pParticle->m_vecVelocity *= fForce * ( 16.0f * (vDev*vDev*0.5f) );
#if __EXPLOSION_DEBUG
debugoverlay->AddLineOverlay( m_vecOrigin, m_vecOrigin + pParticle->m_vecVelocity, 255, 0, 0, false, 3 );
#endif
int nColor = random->RandomInt( 192, 255 );
pParticle->m_uchColor[0] = pParticle->m_uchColor[1] = pParticle->m_uchColor[2] = nColor;
pParticle->m_uchStartSize = random->RandomInt( 8, 16 ) * vDev;
pParticle->m_uchStartSize = clamp( pParticle->m_uchStartSize, 4, 32 );
pParticle->m_uchEndSize = pParticle->m_uchStartSize;
pParticle->m_uchStartAlpha = 255;
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -8.0f, 8.0f );
}
}
#endif // !_XBOX
//
// Fireballs
//
if ( m_Material_FireCloud == NULL )
{
m_Material_FireCloud = pSimple->GetPMaterial( "effects/fire_cloud2" );
}
#ifndef _XBOX
int numFireballs = 32;
#else
int numFireballs = 16;
#endif
for ( i = 0; i < numFireballs; i++ )
{
offset.Random( -48.0f, 48.0f );
offset += m_vecOrigin;
pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), m_Material_FireCloud, offset );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = random->RandomFloat( 0.2f, 0.4f );
pParticle->m_vecVelocity.Random( -spread*0.75f, spread*0.75f );
pParticle->m_vecVelocity += m_vecDirection;
VectorNormalize( pParticle->m_vecVelocity );
float fForce = random->RandomFloat( 400.0f, 800.0f );
//Scale the force down as we fall away from our main direction
float vDev = ScaleForceByDeviation( pParticle->m_vecVelocity, m_vecDirection, spread );
pParticle->m_vecVelocity *= fForce * ( 16.0f * (vDev*vDev*0.5f) );
#if __EXPLOSION_DEBUG
debugoverlay->AddLineOverlay( m_vecOrigin, m_vecOrigin + pParticle->m_vecVelocity, 255, 0, 0, false, 3 );
#endif
int nColor = random->RandomInt( 128, 255 );
pParticle->m_uchColor[0] = pParticle->m_uchColor[1] = pParticle->m_uchColor[2] = nColor;
pParticle->m_uchStartSize = random->RandomInt( 32, 85 ) * vDev;
pParticle->m_uchStartSize = clamp( pParticle->m_uchStartSize, 32, 85 );
pParticle->m_uchEndSize = (int)((float)pParticle->m_uchStartSize * 1.5f);
pParticle->m_uchStartAlpha = 255;
pParticle->m_uchEndAlpha = 0;
pParticle->m_flRoll = random->RandomInt( 0, 360 );
pParticle->m_flRollDelta = random->RandomFloat( -16.0f, 16.0f );
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &origin -
// &normal -
// scale -
//-----------------------------------------------------------------------------
void StriderBlood( const Vector &origin, const Vector &normal, float scale )
{
VPROF_BUDGET( "StriderBlood", VPROF_BUDGETGROUP_PARTICLE_RENDERING );
//Find area ambient light color and use it to tint smoke
Vector worldLight = WorldGetLightForPoint( origin, true );
Vector tint;
float luminosity;
UTIL_GetNormalizedColorTintAndLuminosity( worldLight, &tint, &luminosity );
// We only take a portion of the tint
tint = (tint * 0.25f)+(Vector(0.75f,0.75f,0.75f));
// Rescale to a character range
luminosity = MAX( 200, luminosity*255 );
CSmartPtr<CSplashParticle> pSimple = CSplashParticle::Create( "splish" );
pSimple->SetSortOrigin( origin );
int i;
float flScale = scale / 8.0f;
PMaterialHandle hMaterial = ParticleMgr()->GetPMaterial( "effects/slime1" );
float length = 0.2f;
Vector vForward, vRight, vUp;
Vector offDir;
TrailParticle *tParticle;
CSmartPtr<CTrailParticles> sparkEmitter = CTrailParticles::Create( "splash" );
if ( !sparkEmitter )
return;
sparkEmitter->SetSortOrigin( origin );
sparkEmitter->m_ParticleCollision.SetGravity( 600.0f );
sparkEmitter->SetFlag( bitsPARTICLE_TRAIL_VELOCITY_DAMPEN );
sparkEmitter->SetVelocityDampen( 2.0f );
//Dump out drops
Vector offset;
for ( i = 0; i < 64; i++ )
{
offset = origin;
offset[0] += random->RandomFloat( -8.0f, 8.0f ) * flScale;
offset[1] += random->RandomFloat( -8.0f, 8.0f ) * flScale;
offset[2] += random->RandomFloat( -8.0f, 8.0f ) * flScale;
tParticle = (TrailParticle *) sparkEmitter->AddParticle( sizeof(TrailParticle), hMaterial, offset );
if ( tParticle == NULL )
break;
tParticle->m_flLifetime = 0.0f;
tParticle->m_flDieTime = 1.0f;
offDir = normal + RandomVector( -1.0f, 1.0f );
tParticle->m_vecVelocity = offDir * random->RandomFloat( BLOOD_MIN_SPEED * flScale * 2.0f, BLOOD_MAX_SPEED * flScale * 2.0f );
tParticle->m_vecVelocity[2] += random->RandomFloat( 8.0f, 32.0f ) * flScale;
tParticle->m_flWidth = random->RandomFloat( 20.0f, 26.0f ) * flScale;
tParticle->m_flLength = random->RandomFloat( length*0.5f, length ) * flScale;
int nColor = random->RandomInt( luminosity*0.75f, luminosity );
tParticle->m_color.r = nColor * tint.x;
tParticle->m_color.g = nColor * tint.y;
tParticle->m_color.b = nColor * tint.z;
tParticle->m_color.a = 255;
}
}
