void GetAttachment(CBaseEntity *pEntity, int iBone, Vector *pVecOrigin, Vector *pVecAngles)
{
Vector vecOrigin, vecAngles;
edict_t *pEdict = pEntity->edict();
// force to update frame
StudioFrameAdvanceEnt(pEdict);
GET_ATTACHMENT(pEdict, iBone, vecOrigin, vecAngles);
if (!pEntity->IsPlayer()) {
FixupAngles(pEdict, vecOrigin);
}
if (pVecOrigin) {
*pVecOrigin = vecOrigin;
}
if (pVecAngles) {
*pVecAngles = vecAngles;
}
}
/* <10984> ../cstrike/dlls/animating.cpp:208 */
NOXREF void CBaseAnimating::GetAttachment(int iAttachment, Vector &origin, Vector &angles)
{
GET_ATTACHMENT(ENT(pev), iAttachment, origin, angles);
}
bool ParticleSystem::UpdateParticle( particle *part, float frametime )
{
if( frametime == 0 ) return true;
part->age += frametime;
edict_t *source = GetEntityByIndex( m_iEntIndex );
if( !source ) return false; // total paranoia :)
// is this particle bound to an entity?
if( part->m_iEntIndex )
{
if ( enable )
{
if( m_iEntAttachment )
{
Vector pos = Vector( 0, 0, 0 );
GET_ATTACHMENT( source, m_iEntAttachment, pos, NULL );
if( pos == Vector( 0, 0, 0 )) pos = source->v.origin; // missed attachment
part->velocity = (pos - part->origin ) / frametime;
part->origin = pos;
}
else
{
part->velocity = ( source->v.origin - part->origin ) / frametime;
part->origin = source->v.origin;
}
}
else
{
// entity is switched off, die
return false;
}
}
else
{
// not tied to an entity, check whether it's time to die
if( part->age_death >= 0 && part->age > part->age_death )
return false;
// apply acceleration and velocity
Vector vecOldPos = part->origin;
if ( part->m_fDrag )
part->velocity = part->velocity + (-part->m_fDrag * frametime) * ( part->velocity - part->m_vecWind );
part->velocity = part->velocity + frametime * part->accel;
part->origin = part->origin + frametime * part->velocity;
if( part->pType->m_bBouncing )
{
Vector vecTarget = part->origin + frametime * part->velocity;
TraceResult tr;
TRACE_LINE( part->origin, vecTarget, true, source, &tr );
if( tr.flFraction < 1.0f )
{
part->origin = tr.vecEndPos;
float bounceforce = DotProduct( tr.vecPlaneNormal, part->velocity );
float newspeed = (1.0f - part->pType->m_BounceFriction.GetInstance());
part->velocity = part->velocity * newspeed;
part->velocity = part->velocity + (-bounceforce * ( newspeed + part->pType->m_Bounce.GetInstance())) * tr.vecPlaneNormal;
}
}
}
// spray children
if ( part->age_spray && part->age > part->age_spray )
{
part->age_spray = part->age + 1/part->pType->m_SprayRate.GetInstance();
// particle *pChild = ActivateParticle();
if (part->pType->m_pSprayType)
{
particle *pChild = part->pType->m_pSprayType->CreateParticle(this);
if (pChild)
{
pChild->origin = part->origin;
float fSprayForce = part->pType->m_SprayForce.GetInstance();
pChild->velocity = part->velocity;
if (fSprayForce)
{
float fSprayPitch = part->pType->m_SprayPitch.GetInstance() - source->v.angles.x;
float fSprayYaw = part->pType->m_SprayYaw.GetInstance() - source->v.angles.y;
float fSprayRoll = source->v.angles.z;
float fForceCosPitch = fSprayForce*CosLookup(fSprayPitch);
pChild->velocity.x += CosLookup(fSprayYaw) * fForceCosPitch;
pChild->velocity.y += SinLookup(fSprayYaw) * fForceCosPitch + SinLookup(fSprayYaw) * fSprayForce * SinLookup(fSprayRoll);
pChild->velocity.z -= SinLookup(fSprayPitch) * fSprayForce * CosLookup(fSprayRoll);
}
}
}
}
part->m_fSize += part->m_fSizeStep * frametime;
part->m_fAlpha += part->m_fAlphaStep * frametime;
part->m_fRed += part->m_fRedStep * frametime;
part->m_fGreen += part->m_fGreenStep * frametime;
part->m_fBlue += part->m_fBlueStep * frametime;
part->frame += part->m_fFrameStep * frametime;
if ( part->m_fAngleStep )
{
part->m_fAngle += part->m_fAngleStep * frametime;
while ( part->m_fAngle < 0 ) part->m_fAngle += 360;
while ( part->m_fAngle > 360 ) part->m_fAngle -= 360;
}
return true;
}
//=========================================================
//=========================================================
void CBaseAnimating :: GetAttachment ( int iAttachment, Vector &origin )
{
Vector vecTemp;
GET_ATTACHMENT( ENT(pev), iAttachment, origin, vecTemp );
}
