PhysicalObject* PhysicsSim::applyPhysics(SceneObject* object, Shape shape, float mass)
{
PhysicalObject* phyObject;
switch(shape)
{
case shSphere: phyObject = new Sphere(object, mass);
break;
case shBox: phyObject = new Box(object, mass);
break;
case shCapsule: phyObject = new Capsule(object, mass);
break;
case shCylinder: phyObject = new Cylinder(object, mass);
break;
case shCone: phyObject = new Cone(object, mass);
break;
case shConvexHull: phyObject = new ConvexHull(object, mass);
break;
case shTriMesh: phyObject = new TriMesh(object, mass);
break;
}
objects_list.push_back(phyObject);
dynamicsWorld->addRigidBody(phyObject->getRigidBody());
updateObjects();
return phyObject;
}
void PhysicsSim::shootTestSphere()
{
removeObject(testSphere);
testSphere = loadSceneObject("lemon.dae");
testSphere->setPosition(fpscam->getPosition());
testSphere->setScale(Vector3D(2,2,2));
PhysicalObject* phyObj = applyPhysics(testSphere, shSphere, 20);
vector3df dir = fpscam->getTarget() - fpscam->getPosition();
dir = 250*dir.normalize();
phyObj->getRigidBody()->applyCentralImpulse(btVector3(dir.X, dir.Y, dir.Z));
}
bool PhysicsSim::loadPhysicalObjects(PhysicalStructure &structure, stringc mesh_filename, Vector3D position, bool lock2d)
{
stringc physics_filename = mesh_filename;
physics_filename.remove(".dae");
physics_filename.append(".bullet");
physics_filename = mediaDirectory + physics_filename;
if(smgr->getFileSystem()->existFile(physics_filename))
{
stringw collada_filename = smgr->getFileSystem()->getAbsolutePath(mediaDirectory) + mesh_filename;
if(smgr->getFileSystem()->existFile(collada_filename))
{
btBlenderImporter* fileLoader = new btBlenderImporter(position);
fileLoader->loadFile(physics_filename.c_str());
smgr->getMesh(collada_filename);
for(int i = 0; i < fileLoader->getNumRigidBodies(); i++)
{
btRigidBody* rb = (btRigidBody*)fileLoader->getRigidBodyByIndex(i);
if(lock2d)
{
rb->setLinearFactor(btVector3(1,0,1));
rb->setAngularFactor(btVector3(0,1,0));
}
stringc meshname(fileLoader->getNameForPointer(rb));
stringc bodyname = meshname;
stringc tex_file = meshname;
s32 underline = tex_file.findFirst('_');
if(underline < 0)
underline = tex_file.findFirst('.');
if(underline > -1)
tex_file = tex_file.subString(0, underline+1);
tex_file = mediaDirectory + tex_file + ".jpg";
if(fileLoader->getNumRigidBodies() > 1)
meshname = collada_filename + "#" + meshname + "-mesh";
else
meshname = collada_filename;
IAnimatedMesh *mesh = smgr->getMeshCache()->getMeshByName(meshname);
if(mesh){
IAnimatedMeshSceneNode* node = smgr->addAnimatedMeshSceneNode(mesh, smgr->getRootSceneNode());
node->setMaterialFlag(EMF_LIGHTING, true);
node->setMaterialFlag(EMF_TEXTURE_WRAP, false);
node->setMaterialFlag(EMF_BACK_FACE_CULLING, false);
node->addShadowVolumeSceneNode(0,-1,false);
if(smgr->getFileSystem()->existFile(tex_file))
{
node->setMaterialTexture(0, driver->getTexture(tex_file));
}
PhysicalObject* pobj = new PhysicalObject(node, rb, bodyname);
objects_list.push_back(pobj);
structure.bodies.push_back(pobj);
dynamicsWorld->addRigidBody(pobj->getRigidBody());
}
}
for(int i = 0; i < fileLoader->getNumConstraints(); i++)
{
Joint* jt = new Joint(fileLoader->getConstraintByIndex(i));
joints_list.push_back(jt);
structure.joints.push_back(jt);
btTypedConstraint* constr = jt->getConstraint();
dynamicsWorld->addConstraint(constr, true);
}
delete fileLoader;
updateObjects();
return true;
}
}
return false;
}