CPhysicsObject* CreatePhysicsSphere(CPhysicsEnvironment *pEnvironment, float radius, int materialIndex, const Vector &position, const QAngle &angles, objectparams_t *pParams, bool isStatic) {
btSphereShape* shape = new btSphereShape(ConvertDistanceToBull(radius));
btVector3 vector;
btMatrix3x3 matrix;
ConvertPosToBull(position, vector);
ConvertRotationToBull(angles, matrix);
btTransform transform(matrix, vector);
float mass = pParams->mass;
if (isStatic) mass = 0;
btMotionState* motionstate = new btMassCenterMotionState(transform);
btRigidBody::btRigidBodyConstructionInfo info(mass,motionstate,shape);
btRigidBody* body = new btRigidBody(info);
if (mass > 0)
pEnvironment->GetBulletEnvironment()->addRigidBody(body);
else
pEnvironment->GetBulletEnvironment()->addRigidBody(body, 2, ~2);
float volume = pParams->volume;
if (volume <= 0) {
volume = 4.0f * radius * radius * radius * M_PI / 3.0f;
}
CPhysicsObject *pObject = new CPhysicsObject();
pObject->Init(pEnvironment, body, materialIndex, volume, 0, 0, NULL);
pObject->SetGameData(pParams->pGameData);
pObject->EnableCollisions(pParams->enableCollisions);
return pObject;
}
void CPhysicsObject::SetPosition(const Vector& worldPosition, const QAngle& angles, bool isTeleport) {
btVector3 pos;
btMatrix3x3 matrix;
ConvertPosToBull(worldPosition, pos);
ConvertRotationToBull(angles, matrix);
btTransform transform(matrix, pos);
((btMassCenterMotionState*)m_pObject->getMotionState())->setGraphicTransform(transform);
}
void ConvertShadowControllerToBull(const hlshadowcontrol_params_t &in, shadowcontrol_params_t &out) {
ConvertPosToBull(in.targetPosition, out.targetPosition);
ConvertRotationToBull(in.targetRotation, out.targetRotation);
out.teleportDistance = ConvertDistanceToBull(in.teleportDistance);
ConvertForceImpulseToBull(in.maxSpeed, out.maxSpeed);
out.maxSpeed = out.maxSpeed.absolute();
ConvertAngularImpulseToBull(in.maxAngular, out.maxAngular);
out.maxAngular = out.maxAngular.absolute();
out.dampFactor = in.dampFactor;
}
void ConvertShadowControllerToBull(const hlshadowcontrol_params_t &in, shadowcontrol_params_t &out) {
ConvertPosToBull(in.targetPosition, out.targetPosition);
ConvertRotationToBull(in.targetRotation, out.targetRotation);
out.teleportDistance = ConvertDistanceToBull(in.teleportDistance);
out.maxSpeed = ConvertDistanceToBull(in.maxSpeed);
out.maxDampSpeed = ConvertDistanceToBull(in.maxDampSpeed);
out.maxAngular = ConvertAngleToBull(in.maxAngular);
out.maxDampAngular = ConvertAngleToBull(in.maxDampAngular);
out.dampFactor = in.dampFactor;
}
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;
}
void CShadowController::Update(const Vector &position, const QAngle &angles, float timeOffset) {
btVector3 targetPosition = m_shadow.targetPosition;
btQuaternion targetRotation = m_shadow.targetRotation;
ConvertPosToBull(position, m_shadow.targetPosition);
m_secondsToArrival = timeOffset < 0 ? 0 : timeOffset;
ConvertRotationToBull(angles, m_shadow.targetRotation);
m_enable = true;
if (IsEqual(targetPosition, m_shadow.targetPosition) && IsEqual(targetRotation, m_shadow.targetRotation)) return;
m_pObject->Wake();
}
void CPhysicsObject::SetPosition(const Vector &worldPosition, const QAngle &angles, bool isTeleport) {
btVector3 bullPos;
btMatrix3x3 bullAngles;
ConvertPosToBull(worldPosition, bullPos);
ConvertRotationToBull(angles, bullAngles);
btTransform trans(bullAngles, bullPos);
m_pObject->setWorldTransform(trans * ((btMassCenterMotionState *)m_pObject->getMotionState())->m_centerOfMassOffset);
// Assumed this is the behavior of IVP. If you teleport an object, you don't want it to be stupidly frozen in the air.
// Change this if behavior of IVP is different!
if (isTeleport)
m_pObject->activate();
}
CPhysicsObject *CreatePhysicsObject(CPhysicsEnvironment *pEnvironment, const CPhysCollide *pCollisionModel, int materialIndex, const Vector &position, const QAngle &angles, objectparams_t *pParams, bool isStatic) {
if (!pCollisionModel) return NULL;
// Some checks
Assert(position.IsValid() && angles.IsValid());
btCollisionShape *pShape = (btCollisionShape *)pCollisionModel->GetCollisionShape();
btTransform massCenterTrans = btTransform::getIdentity();
massCenterTrans.setOrigin(pCollisionModel->GetMassCenter());
btMassCenterMotionState *pMotionState = new btMassCenterMotionState(massCenterTrans);
btVector3 bullPos;
btMatrix3x3 bullMatrix;
ConvertPosToBull(position, bullPos);
ConvertRotationToBull(angles, bullMatrix);
btTransform initialWordTrans(bullMatrix, bullPos);
pMotionState->setGraphicTransform(initialWordTrans);
// Grab some parameters
btScalar mass = 0.f;
btVector3 inertia(0, 0, 0);
btVector3 inertiaCoeff(1, 1, 1);
if (pParams && !isStatic) {
mass = pParams->mass;
// TODO: Grab massCenterOverride and set it up correctly.
// Don't allow the inertia coefficient to be less than 0!
if (pParams->inertia >= 0)
inertiaCoeff.setValue(pParams->inertia, pParams->inertia, pParams->inertia);
pShape->calculateLocalInertia(mass, inertia);
//inertia = pCollisionModel->GetRotationInertia();
//inertia *= inertiaCoeff * mass;
}
btRigidBody::btRigidBodyConstructionInfo info(mass, pMotionState, pShape, inertia);
btRigidBody *pBody = new btRigidBody(info);
CPhysicsObject *pObject = new CPhysicsObject();
pObject->Init(pEnvironment, pBody, materialIndex, pParams, isStatic);
return pObject;
}
CPhysicsObject *CreatePhysicsSphere(CPhysicsEnvironment *pEnvironment, float radius, int materialIndex, const Vector &position, const QAngle &angles, objectparams_t *pParams, bool isStatic) {
if (!pEnvironment) return NULL;
// Some checks
Assert(position.IsValid() && angles.IsValid());
// Conversion unnecessary as this is an exposed function.
btSphereShape *shape = (btSphereShape *)g_PhysicsCollision.SphereToConvex(radius);
btVector3 vector;
btMatrix3x3 matrix;
ConvertPosToBull(position, vector);
ConvertRotationToBull(angles, matrix);
btTransform transform(matrix, vector);
float mass = 0;
float volume = 0;
if (pParams) {
mass = isStatic ? 0 : pParams->mass;
volume = pParams->volume;
if (volume <= 0) {
pParams->volume = (4 / 3) * M_PI * radius * radius * radius;
}
}
btMassCenterMotionState *motionstate = new btMassCenterMotionState();
motionstate->setGraphicTransform(transform);
btRigidBody::btRigidBodyConstructionInfo info(mass, motionstate, shape);
btRigidBody *body = new btRigidBody(info);
CPhysicsObject *pObject = new CPhysicsObject;
pObject->Init(pEnvironment, body, materialIndex, pParams, isStatic, true);
return pObject;
}
