CFakeObjectEntityManager::FakeObjectMap::iterator CFakeObjectEntityManager::_GetFakeNode(LPCTSTR szNodeName, tEntityNode* pNode, LPCTSTR szCameraName, int nTexWidth, int nTexHeight, LPCTSTR szBackgroundName)
{
//缺省摄像机的位置
static const float s_fHeight = 0.8f;
static const float s_fDistance = 3.2f;
static const float s_fPitch = 0.21f;
FakeObjectMap::iterator it = m_mapObject.find(szNodeName);
if(it != m_mapObject.end()) return it;
//不存在，创建
FakeObject newNode;
newNode.strName = szNodeName;
//--------------------------------------------------
//创建RenderTarget
Ogre::TexturePtr ptrTex =
Ogre::TextureManager::getSingleton().createManual(
Ogre::String(szNodeName) + "_RenderTexture",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D,
nTexWidth, nTexHeight, 1, 0,
Ogre::PF_R8G8B8A8,
Ogre::TU_RENDERTARGET,
0);
//ptrTex->load();
newNode.ptrRenderTexture = ptrTex;
Ogre::RenderTexture* pTexture = ptrTex->getBuffer()->getRenderTarget();
//缺省不刷新
pTexture->setAutoUpdated(false);
pTexture->addListener(&g_theListener);
//--------------------------------------------------
//放置摄像机
Ogre::SceneManager* pScnManager = CEngineInterface::GetMe()->GetFairySystem()->getSceneManager();
newNode.pCamera = pScnManager->createCamera(Ogre::String(szNodeName) + "_Camera");
//放缩系数
fVector3 fvScale = CEngineInterface::GetMe()->GetSacle();
newNode.fCameraHeight=s_fHeight;
newNode.fCameraDistance=s_fDistance;
newNode.fCameraPitch=s_fPitch;
STRING szUserCameraValue;
pNode->Actor_GetObjectProperty(szCameraName, szUserCameraValue);
// if(szUserCameraValue.size() > 2 && szUserCameraValue.find(';') != STRING::npos)
// {
// sscanf(szUserCameraValue.c_str(), "%f;%f", &(newNode.fCameraHeight), &(newNode.fCameraDistance));
// }
int Row_Index;
Row_Index = atoi(szUserCameraValue.c_str());
const tDataBase* pDBC = g_pDataBase->GetDataBase(DBC_MODEL_PARAMETER);
KLAssert(pDBC);
const _DBC_MODEL_PARAMETER* pParameter = NULL;
pParameter = (const _DBC_MODEL_PARAMETER*)((tDataBase*)pDBC)->Search_Index_EQU(Row_Index);
if(pParameter)
{
newNode.fCameraHeight = pParameter->nHeight;
newNode.fCameraDistance = pParameter->nDistance;
}
//设置摄像机
_UpdateCamera(newNode);
newNode.pCamera->setNearClipDistance(10.f);
newNode.pCamera->setAspectRatio((float)nTexWidth/nTexHeight);
newNode.pCamera->setFOVy(Ogre::Degree(45.0f)); // 经验值
newNode.pCamera->setProjectionType(Ogre::PT_PERSPECTIVE); //透视投影 (平行投影 Ogre::PT_ORTHOGRAPHIC)
//--------------------------------------------------
//创建ViewPort
newNode.pViewPort = pTexture->addViewport(newNode.pCamera, 1);
newNode.pViewPort->setClearEveryFrame(true);
newNode.pViewPort->setBackgroundColour(Ogre::ColourValue(0,0,0,0));
newNode.pViewPort->setOverlaysEnabled(false);
newNode.pViewPort->setSkiesEnabled(false);
newNode.pViewPort->setShadowsEnabled(false);
//--------------------------------------------------
//创建rectangle(如果纹理名称不为空并且所需的material template存在)
Ogre::String backgroundTexName(szBackgroundName);
Ogre::MaterialPtr originMat = Ogre::MaterialManager::getSingleton().getByName("UIModelBackground");
if (false == backgroundTexName.empty() && false == originMat.isNull())
{
newNode.pRectange = new Ogre::Rectangle2D(true);
newNode.pRectange->setCorners(-1.0f, 1.0f, 1.0f, -1.0f);
Ogre::String cloneMatName = Ogre::String(szNodeName) + "_Rectangle";
Ogre::MaterialPtr cloneMat = Ogre::MaterialManager::getSingleton().getByName(cloneMatName);
if (cloneMat.isNull())
{
cloneMat = originMat->clone(cloneMatName);
if (cloneMat->getNumTechniques())
{
Ogre::Technique* tech = cloneMat->getTechnique(0);
if (tech->getNumPasses())
{
Ogre::Pass* pass = tech->getPass(0);
if (pass->getNumTextureUnitStates())
{
Ogre::TextureUnitState* tex = pass->getTextureUnitState(0);
tex->setTextureName(szBackgroundName);
}
}
}
}
newNode.pRectange->setMaterial(cloneMat->getName());
newNode.pRectange->setRenderQueueGroup(Ogre::RENDER_QUEUE_BACKGROUND);
newNode.pRectange->setVisibilityFlags(Fairy::OVF_GUI_ELEMENTS);
// 设置boundingbox为无限大，以防被camera剔除掉（默认的包围盒大小为-1，1）
newNode.pRectange->setBoundingBox(
Ogre::AxisAlignedBox(
Ogre::Vector3(Ogre::Math::NEG_INFINITY, Ogre::Math::NEG_INFINITY, Ogre::Math::NEG_INFINITY),
Ogre::Vector3(Ogre::Math::POS_INFINITY, Ogre::Math::POS_INFINITY, Ogre::Math::POS_INFINITY)
) );
Ogre::SceneNode* parentNode =
CEngineInterface::GetMe()->GetFairySystem()->getBaseSceneNode()->createChildSceneNode();
parentNode->attachObject(newNode.pRectange);
}
//--------------------------------------------------
//加入Map
m_mapObject.insert(std::make_pair(newNode.strName, newNode));
it = m_mapObject.find(newNode.strName);
KLAssert(it != m_mapObject.end());
//加入索引Map
m_mapIndexOfViewPort.insert(std::make_pair(newNode.pViewPort, &(it->second)));
return it;
}
