CPhysicsObject* CreatePhysicsObject(CPhysicsEnvironment *pEnvironment, const CPhysCollide *pCollisionModel, int materialIndex, const Vector &position, const QAngle& angles, objectparams_t *pParams, bool isStatic) {
btCollisionShape* shape = (btCollisionShape*)pCollisionModel;
btVector3 vector;
btMatrix3x3 matrix;
ConvertPosToBull(position, vector);
ConvertRotationToBull(angles, matrix);
btTransform transform(matrix, vector);
PhysicsShapeInfo *shapeInfo = (PhysicsShapeInfo*)shape->getUserPointer();
btTransform masscenter(btMatrix3x3::getIdentity());
if (shapeInfo) masscenter.setOrigin(shapeInfo->massCenter);
float mass = pParams->mass;
if (isStatic) mass = 0;
btVector3 inertia;
shape->calculateLocalInertia(mass, inertia);
btMotionState* motionstate = new btMassCenterMotionState(transform, masscenter);
btRigidBody::btRigidBodyConstructionInfo info(mass,motionstate,shape,inertia);
info.m_linearDamping = pParams->damping;
info.m_angularDamping = pParams->rotdamping;
//info.m_localInertia = btVector3(pParams->inertia, pParams->inertia, pParams->inertia);
btRigidBody* body = new btRigidBody(info);
if (mass > 0)
pEnvironment->GetBulletEnvironment()->addRigidBody(body);
else
pEnvironment->GetBulletEnvironment()->addRigidBody(body, 2, ~2);
CPhysicsObject *pObject = new CPhysicsObject();
pObject->Init(pEnvironment, body, materialIndex, pParams->volume, pParams->dragCoefficient, pParams->dragCoefficient, pParams->massCenterOverride);
pObject->SetGameData(pParams->pGameData);
pObject->EnableCollisions(pParams->enableCollisions);
if (!isStatic && pParams->dragCoefficient != 0.0f) pObject->EnableDrag(true);
/*if (mass > 0)
{
btVector3 mins, maxs;
shape->getAabb(btTransform::getIdentity(), mins, maxs);
float maxradius = min(min(abs(maxs.getX()), abs(maxs.getY())), abs(maxs.getZ()));
float minradius = min(min(abs(mins.getX()), abs(mins.getY())), abs(mins.getZ()));
float radius = min(maxradius,minradius)/2.0f;
body->setCcdMotionThreshold(radius*0.5f);
body->setCcdSweptSphereRadius(0.2f*radius);
}*/
return pObject;
}
CPhysicsObject *CreatePhysicsObject( CPhysicsEnvironment *pEnvironment, const CPhysCollide *pCollisionModel, int materialIndex, const Vector &position, const QAngle& angles, objectparams_t *pParams, bool isStatic )
{
IVP_Template_Real_Object objectTemplate;
IVP_U_Quat rotation;
IVP_U_Point pos;
ConvertRotationToIVP( angles, rotation );
ConvertPositionToIVP( position, pos );
InitObjectTemplate( objectTemplate, materialIndex, pParams, isStatic );
IVP_U_Matrix massCenterMatrix;
massCenterMatrix.init();
if ( pParams->massCenterOverride )
{
IVP_U_Point center;
ConvertPositionToIVP( *pParams->massCenterOverride, center );
massCenterMatrix.shift_os( ¢er );
objectTemplate.mass_center_override = &massCenterMatrix;
}
CPhysicsObject *pObject = new CPhysicsObject();
IVP_SurfaceManager *pSurman = CreateSurfaceManager( pCollisionModel, pObject->m_collideType );
BEGIN_IVP_ALLOCATION();
IVP_Polygon *realObject = pEnvironment->GetIVPEnvironment()->create_polygon(pSurman, &objectTemplate, &rotation, &pos);
pObject->Init( realObject, materialIndex, pParams->volume, pParams->dragCoefficient, pParams->dragCoefficient, pParams->massCenterOverride );
pObject->SetGameData( pParams->pGameData );
if ( pParams->enableCollisions )
{
pObject->EnableCollisions( true );
}
if ( !isStatic && pParams->dragCoefficient != 0.0f )
{
pObject->EnableDrag( true );
}
pObject->SetRollingDrag( pParams->rollingDrag );
END_IVP_ALLOCATION();
return pObject;
}
