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/*!
@file
@author Albert Semenov
@date 12/2009
*/
#include "Precompiled.h"
#include "MyGUI_LayerItem.h"
#include "MyGUI_RTTLayer.h"
#include "MyGUI_Enumerator.h"
#include "MyGUI_FactoryManager.h"
#include "MyGUI_RenderManager.h"
#include "MyGUI_Gui.h"
#include "MyGUI_LayerNode.h"
namespace MyGUI
{
RTTLayer::RTTLayer() :
mTexture(nullptr),
mOutOfDate(false)
{
}
RTTLayer::~RTTLayer()
{
if (mTexture)
{
MyGUI::RenderManager::getInstance().destroyTexture(mTexture);
mTexture = nullptr;
}
}
void RTTLayer::deserialization(xml::ElementPtr _node, Version _version)
{
Base::deserialization(_node, _version);
MyGUI::xml::ElementEnumerator propert = _node->getElementEnumerator();
while (propert.next("Property"))
{
const std::string& key = propert->findAttribute("key");
const std::string& value = propert->findAttribute("value");
if (key == "TextureSize")
setTextureSize(utility::parseValue<IntSize>(value));
if (key == "TextureName")
setTextureName(value);
}
}
void RTTLayer::renderToTarget(IRenderTarget* _target, bool _update)
{
bool outOfDate = mOutOfDate || isOutOfDate();
if (outOfDate || _update)
{
MyGUI::IRenderTarget* target = mTexture->getRenderTarget();
if (target != nullptr)
{
target->begin();
for (VectorILayerNode::iterator iter = mChildItems.begin(); iter != mChildItems.end(); ++iter)
(*iter)->renderToTarget(target, _update);
target->end();
}
}
mOutOfDate = false;
}
void RTTLayer::setTextureSize(const IntSize& _size)
{
if (mTextureSize == _size)
return;
mTextureSize = _size;
if (mTexture)
{
MyGUI::RenderManager::getInstance().destroyTexture(mTexture);
mTexture = nullptr;
}
MYGUI_ASSERT(mTextureSize.width * mTextureSize.height, "RTTLayer texture size must have non-zero width and height");
std::string name = mTextureName.empty() ? MyGUI::utility::toString((size_t)this, getClassTypeName()) : mTextureName;
mTexture = MyGUI::RenderManager::getInstance().createTexture(name);
mTexture->createManual(mTextureSize.width, mTextureSize.height, MyGUI::TextureUsage::RenderTarget, MyGUI::PixelFormat::R8G8B8A8);
mOutOfDate = true;
}
void RTTLayer::setTextureName(const std::string& _name)
{
mTextureName = _name;
if (mTexture != nullptr)
{
IntSize size = mTextureSize;
mTextureSize.clear();
setTextureSize(size);
}
mOutOfDate = true;
}
} // namespace MyGUI
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