void ManipulatorObject::ShowEntityGizmo(Ogre::Entity* pEntity, bool bShow, eEditMode mode, bool bDrift/* = false*/)
{
if(!pEntity)
return;
assert(mode != eEditMode_None);
if (mode == eEditMode_Select)
{
Ogre::SceneNode* aabbNode = dynamic_cast<Ogre::SceneNode*>(pEntity->getParentSceneNode()->getChild(pEntity->getName()));
aabbNode->setVisible(bShow);
if (bShow)
{
//显示包围盒
Ogre::WireBoundingBox* pAABB = GetEntityAABBGizmo(pEntity);
if(bDrift) //显示为红色
pAABB->setMaterial("RedEmissive_ZCheck");
else //显示为绿色
pAABB->setMaterial("GreenEmissive_ZCheck");
}
}
else
{
//显示坐标轴
m_pGizmoAixs->Show(bShow, mode == eEditMode_Move || mode == eEditMode_Scale);
if (bShow)
m_pGizmoAixs->Attach(pEntity->getParentSceneNode());
}
}
void SelectionHandler::createBox(const std::pair<CollObjectHandle, uint64_t>& handles, const Ogre::AxisAlignedBox& aabb, const std::string& material_name)
{
Ogre::WireBoundingBox* box = 0;
Ogre::SceneNode* node = 0;
M_HandleToBox::iterator it = boxes_.find(handles);
if (it == boxes_.end())
{
Ogre::SceneManager* scene_manager = context_->getSceneManager();
node = scene_manager->getRootSceneNode()->createChildSceneNode();
box = new Ogre::WireBoundingBox;
bool inserted = boxes_.insert(std::make_pair(handles, std::make_pair(node, box))).second;
ROS_ASSERT(inserted);
}
else
{
node = it->second.first;
box = it->second.second;
}
box->setMaterial(material_name);
box->setupBoundingBox(aabb);
node->detachAllObjects();
node->attachObject(box);
}
Ogre::Entity* ManipulatorObject::AddEntity( const STRING& meshname, const POS& worldPos, bool bOp, const ORIENT& orient, const SCALE& scale )
{
static int counter = 0;
Ogre::String entName("Entity_");
entName += Ogre::StringConverter::toString(counter++);
Ogre::Entity* newEntity = RenderManager.m_pSceneMgr->createEntity(entName, meshname);
if(!newEntity)
return nullptr;
Ogre::SceneNode* pNode = RenderManager.m_pSceneMgr->getRootSceneNode()->createChildSceneNode(worldPos, orient);
pNode->setScale(scale);
pNode->attachObject(newEntity);
//每个Entity创建一个包围盒节点
Ogre::WireBoundingBox* aabb = new Ogre::WireBoundingBox;
aabb->setMaterial("BaseWhiteNoLighting");
aabb->setRenderQueueGroup(Ogre::RENDER_QUEUE_OVERLAY);
Ogre::SceneNode* aabbNode = pNode->createChildSceneNode(entName);
aabbNode->attachObject(aabb);
aabbNode->setVisible(false);
_UpdateAABBOfEntity(newEntity);
//设置查询掩码
newEntity->setQueryFlags(eQueryMask_Entity);
SObjectInfo* objInfo = new SObjectInfo;
objInfo->m_meshname = meshname;
objInfo->m_pos = worldPos;
objInfo->m_rot = orient;
objInfo->m_scale = scale;
m_objects.insert(std::make_pair(newEntity, objInfo));
//可撤销操作
if (bOp)
{
opObjectAddRemove* op = ManipulatorSystem.GetOperation().NewOperation<opObjectAddRemove>();
opObjectAddRemove::SOpItem item;
item.bAddOrRemove = true;
item.ent = newEntity;
item.objInfo = *objInfo;
op->AddOp(item);
ManipulatorSystem.GetOperation().Commit(op);
}
return newEntity;
}