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mirror of https://github.com/rwengine/openrw.git synced 2024-11-07 19:32:49 +01:00
openrw/framework2/GTAInstance.cpp
2013-09-30 19:32:14 +01:00

80 lines
2.4 KiB
C++

#include <renderwure/objects/GTAInstance.hpp>
#include <renderwure/engine/GTAEngine.hpp>
GTAInstance::GTAInstance(
GTAEngine* engine,
const glm::vec3& pos,
const glm::quat& rot,
Model* model,
const glm::vec3& scale,
std::shared_ptr<LoaderIDE::OBJS_t> obj,
std::shared_ptr<GTAInstance> lod
)
: GTAObject(engine, pos, rot, model), scale(scale), object(obj), LODinstance(lod)
{
btRigidBody* body = nullptr;
auto phyit = engine->gameData.collisions.find(obj->modelName);
if( phyit != engine->gameData.collisions.end()) {
btCompoundShape* cmpShape = new btCompoundShape;
btDefaultMotionState* msta = new btDefaultMotionState;
msta->setWorldTransform(btTransform(
btQuaternion(
rot.x, rot.y, rot.z, -rot.w
).inverse(),
btVector3(
pos.x, pos.y, pos.z
)
));
btRigidBody::btRigidBodyConstructionInfo info(0.f, msta, cmpShape);
CollisionInstance& physInst = *phyit->second.get();
// Boxes
for( size_t i = 0; i < physInst.boxes.size(); ++i ) {
CollTBox& box = physInst.boxes[i];
auto size = (box.max - box.min) / 2.f;
auto mid = (box.min + box.max) / 2.f;
btCollisionShape* bshape = new btBoxShape( btVector3(size.x, size.y, size.z) );
btTransform t; t.setIdentity();
t.setOrigin(btVector3(mid.x, mid.y, mid.z));
cmpShape->addChildShape(t, bshape);
}
// Spheres
for( size_t i = 0; i < physInst.spheres.size(); ++i ) {
CollTSphere& sphere = physInst.spheres[i];
btCollisionShape* sshape = new btSphereShape(sphere.radius);
btTransform t; t.setIdentity();
t.setOrigin(btVector3(sphere.center.x, sphere.center.y, sphere.center.z));
cmpShape->addChildShape(t, sshape);
}
if( physInst.triangles.size() > 0 ) {
btTriangleIndexVertexArray* vertarray = new btTriangleIndexVertexArray(
physInst.triangles.size(),
(int*) physInst.triangles.data(),
sizeof(CollTFaceTriangle),
physInst.vertices.size(),
&(physInst.vertices[0].x),
sizeof(glm::vec3)
);
btBvhTriangleMeshShape* trishape = new btBvhTriangleMeshShape(vertarray, false);
btTransform t; t.setIdentity();
cmpShape->addChildShape(t, trishape);
}
body = new btRigidBody(info);
engine->dynamicsWorld->addRigidBody(body);
}
auto pathit = engine->objectNodes.find(obj->ID);
if( pathit != engine->objectNodes.end() ) {
auto& pathlist = pathit->second;
for( size_t p = 0; p < pathlist.size(); ++p ) {
auto& path = pathlist[p];
engine->aigraph.createPathNodes(position, rot, path);
}
}
}