//-----------------------------------------------------------------------------
// 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:
// Input : fTimeDelta -
//-----------------------------------------------------------------------------
void C_SmokeStack::Update(float fTimeDelta)
{
if (!m_pParticleMgr)
{
assert(false);
return;
}
// Don't spawn particles unless we're visible.
if (m_bEmit && (m_ParticleEffect.WasDrawnPrevFrame() || m_ParticleEffect.GetAlwaysSimulate()))
{
// Add new particles.
Vector forward, right, up;
AngleVectors(GetAbsAngles(), &forward, &right, &up);
float tempDelta = fTimeDelta;
while (m_ParticleSpawn.NextEvent(tempDelta))
{
int iRandomFrame = random->RandomInt(0, m_iMaxFrames);
iRandomFrame = 0;
// Make a new particle.
if (SmokeStackParticle *pParticle = (SmokeStackParticle*) m_ParticleEffect.AddParticle(sizeof(SmokeStackParticle), m_MaterialHandle[iRandomFrame]))
{
float angle = FRand(0, 2.0f*M_PI_F);
pParticle->m_Pos = GetAbsOrigin() +
right * (cos(angle) * m_flBaseSpread) +
forward * (sin(angle) * m_flBaseSpread);
pParticle->m_Velocity =
FRand(-m_SpreadSpeed, m_SpreadSpeed) * right +
FRand(-m_SpreadSpeed, m_SpreadSpeed) * forward +
m_Speed * up;
pParticle->m_vAccel = m_vWind;
pParticle->m_Lifetime = 0;
pParticle->m_flAngle = 0.0f;
pParticle->m_flRollDelta = random->RandomFloat(-m_flRollSpeed, m_flRollSpeed);
pParticle->m_flSortPos = pParticle->m_Pos.z;
}
}
}
// Setup the twist matrix.
float flTwist = (m_flTwist * (M_PI_F * 2.f) / 360.0f) * Helper_GetFrameTime();
if ((m_bTwist = !!flTwist))
{
m_TwistMat[0][0] = cos(flTwist);
m_TwistMat[0][1] = sin(flTwist);
m_TwistMat[1][0] = -sin(flTwist);
m_TwistMat[1][1] = cos(flTwist);
}
QueueLightParametersInRenderer();
}
//-----------------------------------------------------------------------------
// 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 );
}
