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;
}
void GameObject::showColliderBox() {
auto var = geom->getBoundingBox();
// Bullet uses half margins for collider
auto size = var.getSize() / 2;
btVector3 min(0, 0, 0);
btVector3 max(0, 0, 0);
shape->getAabb(tr, min, max);
Ogre::WireBoundingBox* box = new Ogre::WireBoundingBox();
Ogre::AxisAlignedBox abb(Ogre::Vector3(-size.x*scale, -size.y*scale, -size.z*scale), Ogre::Vector3(size.x*scale, size.y*scale, size.z*scale));
box->setupBoundingBox(abb);
box->setVisible(true);
box->setRenderQueueGroup(Ogre::RENDER_QUEUE_OVERLAY);
sceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(box);
}