void C_SmokeStack::QueueLightParametersInRenderer()
{
m_Renderer.SetBaseColor( Vector( m_clrRender->r / 255.0f, m_clrRender->g / 255.0f, m_clrRender->b / 255.0f ) );
m_Renderer.SetAmbientLight( m_AmbientLight );
m_Renderer.SetDirectionalLight( m_DirLight );
m_flAlphaScale = (float)m_clrRender->a;
}
void C_SmokeStack::RenderParticles( CParticleRenderIterator *pIterator )
{
const SmokeStackParticle *pParticle = (const SmokeStackParticle*)pIterator->GetFirst();
while ( pParticle )
{
// Transform.
Vector tPos;
TransformParticle( m_pParticleMgr->GetModelView(), pParticle->m_Pos, tPos );
// Figure out its alpha. Squaring it after it gets halfway through its lifetime
// makes it get translucent and fade out for a longer time.
//float alpha = cosf( -M_PI_F + tLifetime * M_PI_F * 2.f ) * 0.5f + 0.5f;
float tLifetime = pParticle->m_Lifetime * m_InvLifetime;
float alpha = TableCos( -M_PI_F + tLifetime * M_PI_F * 2.f ) * 0.5f + 0.5f;
if( tLifetime > 0.5f )
alpha *= alpha;
m_Renderer.RenderParticle(
pIterator->GetParticleDraw(),
pParticle->m_Pos,
tPos,
alpha * m_flAlphaScale,
FLerp(m_StartSize, m_EndSize, tLifetime),
DEG2RAD( pParticle->m_flAngle )
);
pParticle = (const SmokeStackParticle*)pIterator->GetNext( pParticle->m_flSortPos );
}
}
//-----------------------------------------------------------------------------
// Purpose: Starts the effect
// Input : *pParticleMgr -
// *pArgs -
//-----------------------------------------------------------------------------
void C_SmokeStack::Start(CParticleMgr *pParticleMgr, IPrototypeArgAccess *pArgs)
{
pParticleMgr->AddEffect( &m_ParticleEffect, this );
// Figure out the material name.
char str[512] = "unset_material";
const model_t *pModel = modelinfo->GetModel( m_iMaterialModel );
if ( pModel )
{
Q_strncpy( str, modelinfo->GetModelName( pModel ), sizeof( str ) );
// Get rid of the extension because the material system doesn't want it.
char *pExt = Q_stristr( str, ".vmt" );
if ( pExt )
pExt[0] = 0;
}
m_MaterialHandle[0] = m_ParticleEffect.FindOrAddMaterial( str );
int iCount = 1;
char szNames[512];
int iLength = Q_strlen( str );
str[iLength-1] = '\0';
Q_snprintf( szNames, sizeof( szNames ), "%s%d.vmt", str, iCount );
while ( filesystem->FileExists( VarArgs( "materials/%s", szNames ) ) && iCount < SMOKESTACK_MAX_MATERIALS )
{
char *pExt = Q_stristr( szNames, ".vmt" );
if ( pExt )
pExt[0] = 0;
m_MaterialHandle[iCount] = m_ParticleEffect.FindOrAddMaterial( szNames );
iCount++;
}
m_iMaxFrames = iCount-1;
m_ParticleSpawn.Init( mat_reduceparticles.GetBool() ? m_Rate / 4 : m_Rate ); // Obey mat_reduceparticles in episodic
m_InvLifetime = m_Speed / m_JetLength;
m_pParticleMgr = pParticleMgr;
// Figure out how we need to draw.
IMaterial *pMaterial = pParticleMgr->PMaterialToIMaterial( m_MaterialHandle[0] );
if( pMaterial )
{
m_Renderer.Init( pParticleMgr, pMaterial );
}
QueueLightParametersInRenderer();
// For the first N seconds, always simulate so it can build up the smokestack.
// Afterwards, we set it to freeze when it's not being rendered.
m_ParticleEffect.SetAlwaysSimulate( true );
SetNextClientThink( gpGlobals->curtime + 5 );
}
//-----------------------------------------------------------------------------
// Purpose: Starts the effect
// Input : *pParticleMgr -
// *pArgs -
//-----------------------------------------------------------------------------
void C_SmokeStack::Start(CParticleMgr *pParticleMgr, IPrototypeArgAccess *pArgs)
{
pParticleMgr->AddEffect(&m_ParticleEffect, this);
// Figure out the material name.
char str[512] = "unset_material";
const model_t *pModel = modelinfo->GetModel(m_iMaterialModel);
if (pModel)
{
Q_strncpy(str, modelinfo->GetModelName(pModel), sizeof(str));
// Get rid of the extension because the material system doesn't want it.
char *pExt = Q_stristr(str, ".vmt");
if (pExt)
pExt[0] = 0;
}
m_MaterialHandle[0] = m_ParticleEffect.FindOrAddMaterial(str);
m_ParticleSpawn.Init( m_Rate );
m_InvLifetime = m_Speed / m_JetLength;
m_pParticleMgr = pParticleMgr;
// Figure out how we need to draw.
IMaterial *pMaterial = pParticleMgr->PMaterialToIMaterial( m_MaterialHandle[0] );
if( pMaterial )
{
m_Renderer.Init( pParticleMgr, pMaterial );
}
QueueLightParametersInRenderer();
// For the first N seconds, always simulate so it can build up the smokestack.
// Afterwards, we set it to freeze when it's not being rendered.
m_ParticleEffect.SetAlwaysSimulate( true );
SetNextClientThink( gpGlobals->curtime + 5 );
}
void C_SmokeStack::StartRender( VMatrix &effectMatrix )
{
m_Renderer.StartRender( effectMatrix );
}
