//-----------------------------------------------------------------------------
// Purpose: Tesla effect
//-----------------------------------------------------------------------------
void C_EntityDissolve::BuildTeslaEffect( mstudiobbox_t *pHitBox, const matrix3x4_t &hitboxToWorld, bool bRandom, float flYawOffset )
{
Vector vecOrigin;
QAngle vecAngles;
MatrixGetColumn( hitboxToWorld, 3, vecOrigin );
MatrixAngles( hitboxToWorld, vecAngles.Base() );
C_BaseEntity *pEntity = GetMoveParent();
// Make a couple of tries at it
int iTries = -1;
Vector vecForward;
trace_t tr;
do
{
iTries++;
// Some beams are deliberatly aimed around the point, the rest are random.
if ( !bRandom )
{
QAngle vecTemp = vecAngles;
vecTemp[YAW] += flYawOffset;
AngleVectors( vecTemp, &vecForward );
// Randomly angle it up or down
vecForward.z = RandomFloat( -1, 1 );
}
else
{
vecForward = RandomVector( -1, 1 );
}
UTIL_TraceLine( vecOrigin, vecOrigin + (vecForward * 192), MASK_SHOT, pEntity, COLLISION_GROUP_NONE, &tr );
} while ( tr.fraction >= 1.0 && iTries < 3 );
Vector vecEnd = tr.endpos - (vecForward * 8);
// Only spark & glow if we hit something
if ( tr.fraction < 1.0 )
{
if ( !EffectOccluded( tr.endpos ) )
{
// Move it towards the camera
Vector vecFlash = tr.endpos;
Vector vecForward;
AngleVectors( MainViewAngles(), &vecForward );
vecFlash -= (vecForward * 8);
g_pEffects->EnergySplash( vecFlash, -vecForward, false );
// End glow
CSmartPtr<CSimpleEmitter> pSimple = CSimpleEmitter::Create( "dust" );
pSimple->SetSortOrigin( vecFlash );
SimpleParticle *pParticle;
pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), pSimple->GetPMaterial( "effects/tesla_glow_noz" ), vecFlash );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = RandomFloat( 0.5, 1 );
pParticle->m_vecVelocity = vec3_origin;
Vector color( 1,1,1 );
float colorRamp = RandomFloat( 0.75f, 1.25f );
pParticle->m_uchColor[0] = MIN( 1.0f, color[0] * colorRamp ) * 255.0f;
pParticle->m_uchColor[1] = MIN( 1.0f, color[1] * colorRamp ) * 255.0f;
pParticle->m_uchColor[2] = MIN( 1.0f, color[2] * colorRamp ) * 255.0f;
pParticle->m_uchStartSize = RandomFloat( 6,13 );
pParticle->m_uchEndSize = pParticle->m_uchStartSize - 2;
pParticle->m_uchStartAlpha = 255;
pParticle->m_uchEndAlpha = 10;
pParticle->m_flRoll = RandomFloat( 0,360 );
pParticle->m_flRollDelta = 0;
}
}
}
// Build the tesla
FX_BuildTesla( pEntity, vecOrigin, tr.endpos );
}
void FX_Tesla( const CTeslaInfo &teslaInfo )
{
C_BaseEntity *pEntity = ClientEntityList().GetEnt( teslaInfo.m_nEntIndex );
// Send out beams around us
int iNumBeamsAround = (teslaInfo.m_nBeams * 2) / 3; // (2/3 of the beams are placed around in a circle)
int iNumRandomBeams = teslaInfo.m_nBeams - iNumBeamsAround;
int iTotalBeams = iNumBeamsAround + iNumRandomBeams;
float flYawOffset = RandomFloat(0,360);
for ( int i = 0; i < iTotalBeams; i++ )
{
// Make a couple of tries at it
int iTries = -1;
Vector vecForward;
trace_t tr;
do
{
iTries++;
// Some beams are deliberatly aimed around the point, the rest are random.
if ( i < iNumBeamsAround )
{
QAngle vecTemp = teslaInfo.m_vAngles;
vecTemp[YAW] += anglemod( flYawOffset + ((360 / iTotalBeams) * i) );
AngleVectors( vecTemp, &vecForward );
// Randomly angle it up or down
vecForward.z = RandomFloat( -1, 1 );
}
else
{
vecForward = RandomVector( -1, 1 );
}
VectorNormalize( vecForward );
UTIL_TraceLine( teslaInfo.m_vPos, teslaInfo.m_vPos + (vecForward * teslaInfo.m_flRadius), MASK_SHOT, pEntity, COLLISION_GROUP_NONE, &tr );
} while ( tr.fraction >= 1.0 && iTries < 3 );
Vector vecEnd = tr.endpos - (vecForward * 8);
// Only spark & glow if we hit something
if ( tr.fraction < 1.0 )
{
if ( !EffectOccluded( tr.endpos, 0 ) )
{
// Move it towards the camera
Vector vecFlash = tr.endpos;
Vector vecForward;
AngleVectors( MainViewAngles(), &vecForward );
vecFlash -= (vecForward * 8);
g_pEffects->EnergySplash( vecFlash, -vecForward, false );
// End glow
CSmartPtr<CSimpleEmitter> pSimple = CSimpleEmitter::Create( "dust" );
pSimple->SetSortOrigin( vecFlash );
SimpleParticle *pParticle;
pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), pSimple->GetPMaterial( "effects/tesla_glow_noz" ), vecFlash );
if ( pParticle != NULL )
{
pParticle->m_flLifetime = 0.0f;
pParticle->m_flDieTime = RandomFloat( 0.5, 1 );
pParticle->m_vecVelocity = vec3_origin;
Vector color( 1,1,1 );
float colorRamp = RandomFloat( 0.75f, 1.25f );
pParticle->m_uchColor[0] = MIN( 1.0f, color[0] * colorRamp ) * 255.0f;
pParticle->m_uchColor[1] = MIN( 1.0f, color[1] * colorRamp ) * 255.0f;
pParticle->m_uchColor[2] = MIN( 1.0f, color[2] * colorRamp ) * 255.0f;
pParticle->m_uchStartSize = RandomFloat( 6,13 );
pParticle->m_uchEndSize = pParticle->m_uchStartSize - 2;
pParticle->m_uchStartAlpha = 255;
pParticle->m_uchEndAlpha = 10;
pParticle->m_flRoll = RandomFloat( 0,360 );
pParticle->m_flRollDelta = 0;
}
}
}
// Build the tesla
FX_BuildTesla( pEntity, teslaInfo.m_vPos, tr.endpos, teslaInfo.m_pszSpriteName, teslaInfo.m_flBeamWidth, teslaInfo.m_vColor, FBEAM_ONLYNOISEONCE, teslaInfo.m_flTimeVisible );
}
}
