void PhysicObject::createPhysObject() {
btDefaultMotionState* fallMotionState =
new btDefaultMotionState(btTransform(btQuaternion((initialOrientation.y*GRAD_TO_RAD_COEF), (initialOrientation.x*GRAD_TO_RAD_COEF), (initialOrientation.z*GRAD_TO_RAD_COEF)),btVector3(initialPosition.x, initialPosition.y, initialPosition.z)));
btVector3 fallInertia(0,0,0);
collisionShape->getCollisionShape()->calculateLocalInertia(mass, fallInertia);
btRigidBody::btRigidBodyConstructionInfo fallRigidBodyCI(mass, fallMotionState, collisionShape->getCollisionShape(), fallInertia);
rigidBody = new btRigidBody(fallRigidBodyCI);
setAngularFactor(angularFactor);
setLinearFactor(linearFactor);
setLinearVelocity(linearVelocity);
rigidBody->setFriction(friction);
rigidBody->setRestitution(restitution);
setAngularVelocity(angularVelocity);
rigidBody->setDamping(linearDumping, angularDumping);
if (_isTrigger) {
rigidBody->setCollisionFlags(rigidBody->getCollisionFlags() | btCollisionObject::CF_NO_CONTACT_RESPONSE);
} else
if (_isKinematic) {
rigidBody->setCollisionFlags(rigidBody->getCollisionFlags() | btCollisionObject::CF_KINEMATIC_OBJECT);
}
rigidBody->setCollisionFlags(rigidBody->getCollisionFlags() | btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK);
rigidBody->setUserPointer(this);
if (!isEnableDeactivation())
rigidBody->setActivationState(DISABLE_DEACTIVATION);
Game::instance->dynamicsWorld->addRigidBody(rigidBody);
}
PhysicsRigidBody::PhysicsRigidBody(Node* node, const PhysicsCollisionShape::Definition& shape, const Parameters& parameters, int group, int mask)
: PhysicsCollisionObject(node, group, mask), _body(NULL), _mass(parameters.mass), _constraints(NULL), _inDestructor(false)
{
GP_ASSERT(Game::getInstance()->getPhysicsController());
GP_ASSERT(_node);
// Create our collision shape.
kmVec3 centerOfMassOffset = vec3Zero;
_collisionShape = Game::getInstance()->getPhysicsController()->createShape(node, shape, ¢erOfMassOffset, parameters.mass != 0.0f);
GP_ASSERT(_collisionShape && _collisionShape->getShape());
// Create motion state object.
_motionState = new PhysicsMotionState(node, this, (kmVec3LengthSq(¢erOfMassOffset) > MATH_EPSILON) ? ¢erOfMassOffset : NULL);
// If the mass is non-zero, then the object is dynamic so we calculate the local
// inertia. However, if the collision shape is a triangle mesh, we don't calculate
// inertia since Bullet doesn't currently support this.
btVector3 localInertia(0.0, 0.0, 0.0);
if (parameters.mass != 0.0)
_collisionShape->getShape()->calculateLocalInertia(parameters.mass, localInertia);
// Create the Bullet physics rigid body object.
btRigidBody::btRigidBodyConstructionInfo rbInfo(parameters.mass, NULL, _collisionShape->getShape(), localInertia);
rbInfo.m_friction = parameters.friction;
rbInfo.m_restitution = parameters.restitution;
rbInfo.m_linearDamping = parameters.linearDamping;
rbInfo.m_angularDamping = parameters.angularDamping;
// Create + assign the new bullet rigid body object.
_body = bullet_new<btRigidBody>(rbInfo);
// Set motion state after rigid body assignment, since bullet will callback on the motion state interface to query
// the initial transform and it will need to access to rigid body (_body).
_body->setMotionState(_motionState);
// Set other initially defined properties.
setKinematic(parameters.kinematic);
setAnisotropicFriction(parameters.anisotropicFriction);
setAngularFactor(parameters.angularFactor);
setLinearFactor(parameters.linearFactor);
// Add ourself to the physics world.
Game::getInstance()->getPhysicsController()->addCollisionObject(this);
if (_collisionShape->getType() == PhysicsCollisionShape::SHAPE_HEIGHTFIELD)
{
// Add a listener on the node's transform so we can track dirty changes to calculate
// an inverse kmMat4 for transforming heightfield points between world and local space.
_node->addListener(this);
}
}
void PhysicObject::loadPhysProperties(FILE* f) {
enablePhysics(readChar(f));
if (!isEnabledPhysics())
return;
setMass(readFloat(f));
setAngularFactor(readVector(f));
setLinearFactor(readVector(f));
//writeVector(getLinearVelocity(), f);
setTrigger(readChar(f));
setCollisionShapeType((CollisionShapeType)readChar(f));
setEnableDeactivation(readChar(f));
setFriction(readFloat(f));
setRestitution(readFloat(f));
setLinearDumping(readFloat(f));
setAngularDumping(readFloat(f));
// load custom collision shape
if (getCollisionShapeType() == CST_CUSTOM) {
switch ((GOCollisionShapeType)readChar(f)) {
case GOCST_COMPOUND_SHAPE:
setCollisionShape(new GOCompoundCollisionShape(f));
break;
case GOCST_BOX:
setCollisionShape(new GOBoxCollisionShape(f));
break;
case GOCST_SPHERE:
setCollisionShape(new GOSphereCollisionShape(f));
break;
case GOCST_CYLINDER:
setCollisionShape(new GOCylinderCollisionShape(f));
break;
case GOCST_UNDEFINED:
setCollisionShape(new GOUndefinedCollisionShape(f));
break;
case GOCST_CAPSULE:
setCollisionShape(new GOCapsuleCollisionShape(f));
break;
case GOCST_CONE:
setCollisionShape(new GOConeCollisionShape(f));
break;
case GOCST_MESH:
setCollisionShape(new GOMeshCollisionShape(f));
break;
default:
Log::error("PhysicObject::loadPhysProperties(FILE* f): Undefined custom shape type.");
}
}
// load constraints
int c_count = readChar(f);
for (int i = 0; i < c_count; i++) {
GOConstraint* cs;
unsigned char type = readChar(f);
switch (type) {
case GO_P2P_CONSTRAINT:
cs = new GOP2PConstraint(f);
break;
case GO_HINGE_CONSTRAINT:
cs = new GOHingeConstraint(f);
break;
case GO_SLIDER_CONSTRAINT:
cs = new GOSliderConstraint(f);
break;
default:
Log::error("PhysicObject::loadPhysProperties(FILE* f): Undefined constraint type.");
}
addConstraint(cs);
}
}
int PhysicObject::methodsBridge(lua_State* luaVM) {
if (isCurrentMethod("applyImpulse")) {
applyImpulse(CVector(lua_tonumber(luaVM, 1), lua_tonumber(luaVM, 2), lua_tonumber(luaVM, 3)), CVector(lua_tonumber(luaVM, 4), lua_tonumber(luaVM, 5), lua_tonumber(luaVM, 6)));
return 0;
}
if (isCurrentMethod("applyForce")) {
applyForce(CVector(lua_tonumber(luaVM, 1), lua_tonumber(luaVM, 2), lua_tonumber(luaVM, 3)), CVector(lua_tonumber(luaVM, 4), lua_tonumber(luaVM, 5), lua_tonumber(luaVM, 6)));
return 0;
}
if (isCurrentMethod("setLinearVelocity")) {
setLinearVelocity(CVector(lua_tonumber(luaVM, 1), lua_tonumber(luaVM, 2), lua_tonumber(luaVM, 3)));
return 0;
}
if (isCurrentMethod("getLinearVelocity")) {
luaPushVector(luaVM, getLinearVelocity().x, getLinearVelocity().y, getLinearVelocity().z);
return 1;
}
if (isCurrentMethod("setMass")) {
setMass(lua_tonumber(luaVM, 1));
return 0;
}
if (isCurrentMethod("getMass")) {
lua_pushnumber(luaVM, getMass());
return 1;
}
if (isCurrentMethod("setCollisionShapeType")) {
setCollisionShapeType((CollisionShapeType)lua_tointeger(luaVM, 1));
return 0;
}
if (isCurrentMethod("getCollisionShapeType")) {
lua_pushinteger(luaVM, getCollisionShapeType());
return 1;
}
if (isCurrentMethod("enablePhysics")) {
enablePhysics(lua_toboolean(luaVM, 1));
return 0;
}
if (isCurrentMethod("isEnabledPhysics")) {
lua_pushboolean(luaVM, isEnabledPhysics());
return 1;
}
if (isCurrentMethod("setAngularFactor")) {
setAngularFactor(CVector(lua_tonumber(luaVM, 1), lua_tonumber(luaVM, 2), lua_tonumber(luaVM, 3)));
return 0;
}
if (isCurrentMethod("getAngularFactor")) {
luaPushVector(luaVM, getAngularFactor().x, getAngularFactor().y, getAngularFactor().z);
return 1;
}
if (isCurrentMethod("setLinearFactor")) {
setLinearFactor(CVector(lua_tonumber(luaVM, 1), lua_tonumber(luaVM, 2), lua_tonumber(luaVM, 3)));
return 0;
}
if (isCurrentMethod("getLinearFactor")) {
luaPushVector(luaVM, getLinearFactor().x, getLinearFactor().y, getLinearFactor().z);
return 1;
}
if (isCurrentMethod("setTrigger")) {
setTrigger(lua_toboolean(luaVM, 1));
return 0;
}
if (isCurrentMethod("isTrigger")) {
lua_pushboolean(luaVM, isTrigger());
return 1;
}
if (isCurrentMethod("getCollisionShape")) {
if (getCollisionShape() == NULL) {
lua_pushnil(luaVM);
} else {
lua_getglobal(luaVM, getCollisionShape()->getGOID().c_str());
}
return 1;
}
if (isCurrentMethod("setCollisionShape")) {
if (lua_isnil(luaVM, 1)) {
setCollisionShape(NULL);
return 0;
}
lua_pushstring(luaVM, "cpointer");
lua_gettable(luaVM, -2);
GOCollisionShape* o = (GOCollisionShape*)lua_tointeger(luaVM, -1);
setCollisionShape(o);
lua_pop(luaVM, -1);
return 0;
}
if (isCurrentMethod("setEnableDeactivation")) {
setEnableDeactivation(lua_toboolean(luaVM, 1));
return 0;
}
if (isCurrentMethod("isEnableDeactivation")) {
lua_pushboolean(luaVM, isEnableDeactivation());
return 1;
}
if (isCurrentMethod("setFriction")) {
setFriction(lua_tonumber(luaVM, 1));
return 0;
}
if (isCurrentMethod("getFriction")) {
lua_pushnumber(luaVM, getFriction());
return 1;
}
if (isCurrentMethod("setRestitution")) {
setRestitution(lua_tonumber(luaVM, 1));
return 0;
}
if (isCurrentMethod("getRestitution")) {
lua_pushnumber(luaVM, getRestitution());
return 1;
}
if (isCurrentMethod("setLinearDumping")) {
setLinearDumping(lua_tonumber(luaVM, 1));
return 0;
}
if (isCurrentMethod("getLinearDumping")) {
lua_pushnumber(luaVM, getLinearDumping());
return 1;
}
if (isCurrentMethod("setAngularDumping")) {
setAngularDumping(lua_tonumber(luaVM, 1));
return 0;
}
if (isCurrentMethod("getAngularDumping")) {
lua_pushnumber(luaVM, getAngularDumping());
return 1;
}
if (isCurrentMethod("setAngularVelocity")) {
setAngularVelocity(CVector(lua_tonumber(luaVM, 1), lua_tonumber(luaVM, 2), lua_tonumber(luaVM, 3)));
return 0;
}
if (isCurrentMethod("getAngularVelocity")) {
CVector av = getAngularVelocity();
luaPushVector(luaVM, av.x, av.y, av.z);
return 1;
}
if (isCurrentMethod("addConstraint")) {
if (lua_isnil(luaVM, 1)) {
return 0;
}
lua_pushstring(luaVM, "cpointer");
lua_gettable(luaVM, -2);
GOConstraint* o = (GOConstraint*)lua_tointeger(luaVM, -1);
addConstraint(o);
lua_pop(luaVM, -1);
return 0;
}
if (isCurrentMethod("getConstraints")) {
lua_newtable(luaVM);
int tableIndex = lua_gettop(luaVM);
vector<GOConstraint*> objs;
for (unsigned int i = 0; i < constraints.size(); ++i) {
if (constraints.at(i)->id == "undefined" || constraints.at(i)->id == "") continue;
objs.push_back(constraints.at(i));
}
for (unsigned int i = 0; i < objs.size(); ++i) {
lua_pushinteger(luaVM, i+1);
lua_getglobal(luaVM, objs.at(i)->id.c_str());
lua_settable (luaVM, tableIndex);
}
return 1;
}
if (isCurrentMethod("removeConstraint")) {
if (lua_isnil(luaVM, 1)) {
return 0;
}
lua_pushstring(luaVM, "cpointer");
lua_gettable(luaVM, -2);
GOConstraint* o = (GOConstraint*)lua_tointeger(luaVM, -1);
removeConstraint(o);
lua_pop(luaVM, -1);
return 0;
}
if (isCurrentMethod("removeAllConstrains")) {
removeAllConstraints();
return 0;
}
if (isCurrentMethod("secondObjectForConstraint")) {
if (lua_isnil(luaVM, 1)) {
return 0;
}
lua_pushstring(luaVM, "cpointer");
lua_gettable(luaVM, -2);
GOConstraint* o = (GOConstraint*)lua_tointeger(luaVM, -1);
secondObjectForConstraint(o);
lua_pop(luaVM, -1);
return 0;
}
if (isCurrentMethod("isSecondObjectForConstraints")) {
lua_newtable(luaVM);
int tableIndex = lua_gettop(luaVM);
vector<GOConstraint*> objs;
for (unsigned int i = 0; i < secondObjectForConstraints.size(); ++i) {
if (secondObjectForConstraints.at(i)->id == "undefined" || secondObjectForConstraints.at(i)->id == "") continue;
objs.push_back(secondObjectForConstraints.at(i));
}
for (unsigned int i = 0; i < objs.size(); ++i) {
lua_pushinteger(luaVM, i+1);
lua_getglobal(luaVM, objs.at(i)->id.c_str());
lua_settable (luaVM, tableIndex);
}
return 1;
}
if (isCurrentMethod("notUseAsSecondObjectForConstraint")) {
if (lua_isnil(luaVM, 1)) {
return 0;
}
lua_pushstring(luaVM, "cpointer");
lua_gettable(luaVM, -2);
GOConstraint* o = (GOConstraint*)lua_tointeger(luaVM, -1);
notUseAsSecondObjectForConstraint(o);
lua_pop(luaVM, -1);
return 0;
}
return LuaBridge::methodsBridge(luaVM);
}
