TEST_F(SceneQueryTest, Ray) {
RaySceneQuery* rayQuery = mSceneMgr->createRayQuery(mCamera->getCameraToViewportRay(0.5, 0.5));
rayQuery->setSortByDistance(true, 2);
RaySceneQueryResult& results = rayQuery->execute();
ASSERT_EQ("501", results[0].movable->getName());
ASSERT_EQ("397", results[1].movable->getName());
}
Item*
OrbitState::pickItem(int x, int y)
{
Vector2 pickPos = rGUIManager()->getRelativeCursorPosition(x, y);
Ray pickRay = orbitScreen->trackBallCamera->getCamera()->getCameraToViewportRay(pickPos[0], pickPos[1]);
RaySceneQuery* query = orbitScreen->sceneManager->createRayQuery(pickRay, 0xFFFFFFFF);
query->setSortByDistance(true);
RaySceneQueryResult& intersections = query->execute();
Item* pickedItem = NULL;
float pickedDistance = FLT_MAX;
for(RaySceneQueryResult::const_iterator objectI = intersections.begin(); objectI != intersections.end(); ++objectI) {
RaySceneQueryResultEntry entry = *objectI;
if(entry.distance > pickedDistance) return pickedItem;
if(entry.movable != NULL) {
if(entry.movable->isVisible() == false) continue;
UserDefinedObject* userObject = entry.movable->getUserObject();
// MovableObjects and Entities aren't dynamic so we can't know if we hit one. But we know UserObjects are only attached
// to Entities.
if(userObject != NULL) {
Entity* entity = static_cast<Entity*>(entry.movable);
Item* target = dynamic_cast<Item*>(userObject);
if(target != NULL) {
Real distance;
if(CollisionManager::getSingleton().isIntersecting(pickRay, entity, distance) && distance < pickedDistance) {
pickedItem = target;
pickedDistance = distance;
}
}
}
}
}
return pickedItem;
}
void ControllerInput::PerformMouseOver(int MouseX, int MouseY, bool IsClick)
{
// normalise mouse coordinates to [0,1]
float scrx = (float)MouseX / (float)OgreClient::Singleton->Viewport->getActualWidth();
float scry = (float)MouseY / (float)OgreClient::Singleton->Viewport->getActualHeight();
// create ray & query
Ray ray = OgreClient::Singleton->Camera->getCameraToViewportRay(scrx, scry);
RaySceneQuery* query = OgreClient::Singleton->SceneManager->createRayQuery(ray, 0xFFFFFFFF);
// make it also find billboards and sort by distance
query->setQueryTypeMask(0xFFFFFFFF);
query->setSortByDistance(true);
// execute query
RaySceneQueryResult result = query->execute();
if (result.size() > 0)
{
List<unsigned int>^ objectIDs = gcnew List<unsigned int>(result.size());
// iterate hits
for(unsigned int i=0; i<result.size();i++)
{
// get next hit and its type
RaySceneQueryResultEntry entry = result.at(i);
::Ogre::String type = entry.movable->getMovableType();
// we only care for types Entity (3d model)
// and billboards (2d model)
if (type.compare("Entity") == 0 ||
type.compare("BillboardSet") == 0)
{
// get name as CLR string
::Ogre::String ostr = entry.movable->getName();
System::String^ s = StringConvert::OgreToCLR(ostr);
// try parse an id out of name string
unsigned int objectid;
System::UInt32::TryParse(s->Substring(s->LastIndexOf('/') + 1), objectid);
if (objectid > 0)
{
RoomObject^ obj = OgreClient::Singleton->Data->RoomObjects->GetItemByID(objectid);
// don't select own avatar by clicks
if (obj != nullptr && !obj->IsAvatar)
{
objectIDs->Add(objectid);
// for mouseover we just need the first hit
if (!IsClick)
break;
}
}
}
}
// reset mouseover object
if (!IsClick)
OgreClient::Singleton->Data->RoomObjects->ResetHighlighted();
// execute target clicker or mouseover
if (objectIDs->Count > 0)
{
ControllerUI::MouseCursor->setImage(UI_MOUSECURSOR_TARGET);
if (IsClick)
OgreClient::Singleton->Data->ClickTarget(objectIDs, !IsSelfTargetDown);
else
OgreClient::Singleton->Data->RoomObjects->HighlightObject(objectIDs[0]);
}
else
{
ControllerUI::MouseCursor->setImage(UI_DEFAULTARROW);
}
}
// cleanup query
OgreClient::Singleton->SceneManager->destroyQuery(query);
};
