void PrefabDiff::applyDiff(const SPtr<PrefabObjectDiff>& diff, const HSceneObject& object)
{
if ((diff->soFlags & (UINT32)SceneObjectDiffFlags::Name) != 0)
object->setName(diff->name);
if ((diff->soFlags & (UINT32)SceneObjectDiffFlags::Position) != 0)
object->setPosition(diff->position);
if ((diff->soFlags & (UINT32)SceneObjectDiffFlags::Rotation) != 0)
object->setRotation(diff->rotation);
if ((diff->soFlags & (UINT32)SceneObjectDiffFlags::Scale) != 0)
object->setScale(diff->scale);
if ((diff->soFlags & (UINT32)SceneObjectDiffFlags::Active) != 0)
object->setActive(diff->isActive);
// Note: It is important to remove objects and components first, before adding them.
// Some systems rely on the fact that applyDiff added components/objects are
// always at the end.
const Vector<HComponent>& components = object->getComponents();
for (auto& removedId : diff->removedComponents)
{
for (auto component : components)
{
if (removedId == component->getLinkId())
{
component->destroy();
break;
}
}
}
for (auto& removedId : diff->removedChildren)
{
UINT32 childCount = object->getNumChildren();
for (UINT32 i = 0; i < childCount; i++)
{
HSceneObject child = object->getChild(i);
if (removedId == child->getLinkId())
{
child->destroy();
break;
}
}
}
for (auto& addedComponentData : diff->addedComponents)
{
BinarySerializer bs;
SPtr<Component> component = std::static_pointer_cast<Component>(bs._decodeFromIntermediate(addedComponentData));
object->addAndInitializeComponent(component);
}
for (auto& addedChildData : diff->addedChildren)
{
BinarySerializer bs;
SPtr<SceneObject> sceneObject = std::static_pointer_cast<SceneObject>(bs._decodeFromIntermediate(addedChildData));
sceneObject->setParent(object);
if(object->isInstantiated())
sceneObject->_instantiate();
}
for (auto& componentDiff : diff->componentDiffs)
{
for (auto& component : components)
{
if (componentDiff->id == component->getLinkId())
{
IDiff& diffHandler = component->getRTTI()->getDiffHandler();
diffHandler.applyDiff(component.getInternalPtr(), componentDiff->data);
break;
}
}
}
for (auto& childDiff : diff->childDiffs)
{
UINT32 childCount = object->getNumChildren();
for (UINT32 i = 0; i < childCount; i++)
{
HSceneObject child = object->getChild(i);
if (childDiff->id == child->getLinkId())
{
applyDiff(childDiff, child);
break;
}
}
}
}
/** Set up the 3D object used by the example, and the camera to view the world through. */
void setUp3DScene(const Assets& assets)
{
/************************************************************************/
/* SCENE OBJECT */
/************************************************************************/
// Now we create a scene object that has a position, orientation, scale and optionally
// components to govern its logic. In this particular case we are creating a SceneObject
// with a Renderable component which will render a mesh at the position of the scene object
// with the provided material.
// Create new scene object at (0, 0, 0)
HSceneObject pistolSO = SceneObject::create("Pistol");
// Attach the Renderable component and hook up the mesh we imported earlier,
// and the material we created in the previous section.
HRenderable renderable = pistolSO->addComponent<CRenderable>();
renderable->setMesh(assets.exampleModel);
renderable->setMaterial(assets.exampleMaterial);
// Add a rotator component so we can rotate the object during runtime
pistolSO->addComponent<ObjectRotator>();
/************************************************************************/
/* SKYBOX */
/************************************************************************/
// Add a skybox texture for sky reflections
HSceneObject skyboxSO = SceneObject::create("Skybox");
HSkybox skybox = skyboxSO->addComponent<CSkybox>();
skybox->setTexture(assets.exampleSkyCubemap);
/************************************************************************/
/* CAMERA */
/************************************************************************/
// In order something to render on screen we need at least one camera.
// Like before, we create a new scene object at (0, 0, 0).
HSceneObject sceneCameraSO = SceneObject::create("SceneCamera");
// Get the primary render window we need for creating the camera. Additionally
// hook up a callback so we are notified when user resizes the window.
SPtr<RenderWindow> window = gApplication().getPrimaryWindow();
window->onResized.connect(&renderWindowResized);
// Add a Camera component that will output whatever it sees into that window
// (You could also use a render texture or another window you created).
sceneCamera = sceneCameraSO->addComponent<CCamera>(window);
// Set up camera component properties
// Set closest distance that is visible. Anything below that is clipped.
sceneCamera->setNearClipDistance(0.005f);
// Set farthest distance that is visible. Anything above that is clipped.
sceneCamera->setFarClipDistance(1000);
// Set aspect ratio depending on the current resolution
sceneCamera->setAspectRatio(windowResWidth / (float)windowResHeight);
// Enable multi-sample anti-aliasing for better quality
sceneCamera->setMSAACount(4);
// Add a CameraFlyer component that allows us to move the camera. See CameraFlyer for more information.
sceneCameraSO->addComponent<CameraFlyer>();
// Position and orient the camera scene object
sceneCameraSO->setPosition(Vector3(0.2f, 0.1f, 0.2f));
sceneCameraSO->lookAt(Vector3(-0.1f, 0, 0));
}