const Vector &CECollisionProperty::WorldToCollisionSpace( const Vector &in, Vector *pResult ) const
{
if ( !IsBoundsDefinedInEntitySpace() || ( GetCollisionAngles() == vec3_angle ) )
{
VectorSubtract( in, GetCollisionOrigin(), *pResult );
}
else
{
VectorITransform( in, CollisionToWorldTransform(), *pResult );
}
return *pResult;
}
//-----------------------------------------------------------------------------
// Transforms an AABB measured in entity space to a box that surrounds it in world space
//-----------------------------------------------------------------------------
void CCollisionProperty::CollisionAABBToWorldAABB( const Vector &entityMins,
const Vector &entityMaxs, Vector *pWorldMins, Vector *pWorldMaxs ) const
{
if ( !IsBoundsDefinedInEntitySpace() || (GetCollisionAngles() == vec3_angle) )
{
VectorAdd( entityMins, GetCollisionOrigin(), *pWorldMins );
VectorAdd( entityMaxs, GetCollisionOrigin(), *pWorldMaxs );
}
else
{
TransformAABB( CollisionToWorldTransform(), entityMins, entityMaxs, *pWorldMins, *pWorldMaxs );
}
}
//-----------------------------------------------------------------------------
// Transforms a point in OBB space to world space
//-----------------------------------------------------------------------------
const Vector &CECollisionProperty::CollisionToWorldSpace( const Vector &in, Vector *pResult ) const
{
// Makes sure we don't re-use the same temp twice
if ( !IsBoundsDefinedInEntitySpace() || ( GetCollisionAngles() == vec3_angle ) )
{
VectorAdd( in, GetCollisionOrigin(), *pResult );
}
else
{
VectorTransform( in, CollisionToWorldTransform(), *pResult );
}
return *pResult;
}
//-----------------------------------------------------------------------------
// Expand trigger bounds..
//-----------------------------------------------------------------------------
void CCollisionProperty::ComputeVPhysicsSurroundingBox( Vector *pVecWorldMins, Vector *pVecWorldMaxs )
{
bool bSetBounds = false;
IPhysicsObject *pPhysicsObject = GetOuter()->VPhysicsGetObject();
if ( pPhysicsObject )
{
if ( pPhysicsObject->GetCollide() )
{
physcollision->CollideGetAABB( pVecWorldMins, pVecWorldMaxs,
pPhysicsObject->GetCollide(), GetCollisionOrigin(), GetCollisionAngles() );
bSetBounds = true;
}
else if ( pPhysicsObject->GetSphereRadius( ) )
{
float flRadius = pPhysicsObject->GetSphereRadius( );
Vector vecExtents( flRadius, flRadius, flRadius );
VectorSubtract( GetCollisionOrigin(), vecExtents, *pVecWorldMins );
VectorAdd( GetCollisionOrigin(), vecExtents, *pVecWorldMaxs );
bSetBounds = true;
}
}
if ( !bSetBounds )
{
*pVecWorldMins = GetCollisionOrigin();
*pVecWorldMaxs = *pVecWorldMins;
}
// Also, lets expand for the trigger bounds also
if ( IsSolidFlagSet( FSOLID_USE_TRIGGER_BOUNDS ) )
{
Vector vecWorldTriggerMins, vecWorldTriggerMaxs;
WorldSpaceTriggerBounds( &vecWorldTriggerMins, &vecWorldTriggerMaxs );
VectorMin( vecWorldTriggerMins, *pVecWorldMins, *pVecWorldMins );
VectorMax( vecWorldTriggerMaxs, *pVecWorldMaxs, *pVecWorldMaxs );
}
}
