mirror of
https://github.com/OpenMW/openmw.git
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303 lines
8.4 KiB
C++
303 lines
8.4 KiB
C++
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/*!
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@file
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@author Albert Semenov
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@date 02/2008
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@module
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*/
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/*
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This file is part of MyGUI.
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MyGUI is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MyGUI is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "MyGUI_Precompiled.h"
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#include "MyGUI_LayerNode.h"
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#include "MyGUI_ILayerItem.h"
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#include "MyGUI_ITexture.h"
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#include "MyGUI_ISubWidget.h"
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#include "MyGUI_ISubWidgetText.h"
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namespace MyGUI
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{
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LayerNode::LayerNode(ILayer* _layer, ILayerNode* _parent) :
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mParent(_parent),
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mLayer(_layer),
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mOutOfDate(false)
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{
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}
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LayerNode::~LayerNode()
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{
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for (VectorRenderItem::iterator iter=mFirstRenderItems.begin(); iter!=mFirstRenderItems.end(); ++iter)
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{
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delete (*iter);
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}
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mFirstRenderItems.clear();
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for (VectorRenderItem::iterator iter=mSecondRenderItems.begin(); iter!=mSecondRenderItems.end(); ++iter)
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{
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delete (*iter);
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}
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mSecondRenderItems.clear();
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// удаляем дочерние узлы
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for (VectorILayerNode::iterator iter = mChildItems.begin(); iter!=mChildItems.end(); ++iter)
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{
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delete (*iter);
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}
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mChildItems.clear();
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}
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ILayerNode* LayerNode::createChildItemNode()
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{
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LayerNode* layer = new LayerNode(mLayer, this);
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mChildItems.push_back(layer);
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return layer;
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}
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void LayerNode::destroyChildItemNode(ILayerNode* _node)
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{
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for (VectorILayerNode::iterator iter=mChildItems.begin(); iter!=mChildItems.end(); ++iter)
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{
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if ((*iter) == _node)
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{
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delete _node;
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mChildItems.erase(iter);
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return;
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}
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}
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MYGUI_EXCEPT("item node not found");
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}
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void LayerNode::upChildItemNode(ILayerNode* _item)
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{
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for (VectorILayerNode::iterator iter=mChildItems.begin(); iter!=mChildItems.end(); ++iter)
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{
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if ((*iter) == _item)
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{
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mChildItems.erase(iter);
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mChildItems.push_back(_item);
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return;
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}
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}
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MYGUI_EXCEPT("item node not found");
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}
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void LayerNode::renderToTarget(IRenderTarget* _target, bool _update)
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{
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// проверяем на сжатие пустот
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bool need_compression = false;
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for (VectorRenderItem::iterator iter=mFirstRenderItems.begin(); iter!=mFirstRenderItems.end(); ++iter)
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{
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if ((*iter)->getCompression())
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{
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need_compression = true;
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break;
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}
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}
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if (need_compression)
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updateCompression();
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// сначала отрисовываем свое
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for (VectorRenderItem::iterator iter=mFirstRenderItems.begin(); iter!=mFirstRenderItems.end(); ++iter)
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{
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(*iter)->renderToTarget(_target, _update);
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}
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for (VectorRenderItem::iterator iter=mSecondRenderItems.begin(); iter!=mSecondRenderItems.end(); ++iter)
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{
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(*iter)->renderToTarget(_target, _update);
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}
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// теперь отрисовываем дочерние узлы
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for (VectorILayerNode::iterator iter = mChildItems.begin(); iter!=mChildItems.end(); ++iter)
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{
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(*iter)->renderToTarget(_target, _update);
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}
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mOutOfDate = false;
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}
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ILayerItem* LayerNode::getLayerItemByPoint(int _left, int _top)
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{
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// сначала пикаем детей
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for (VectorILayerNode::iterator iter = mChildItems.begin(); iter!=mChildItems.end(); ++iter)
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{
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ILayerItem * item = (*iter)->getLayerItemByPoint(_left, _top);
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if (nullptr != item) return item;
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}
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for (VectorLayerItem::iterator iter=mLayerItems.begin(); iter!=mLayerItems.end(); ++iter)
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{
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ILayerItem * item = (*iter)->getLayerItemByPoint(_left, _top);
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if (nullptr != item) return item;
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}
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return nullptr;
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}
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RenderItem* LayerNode::addToRenderItem(ITexture* _texture, ISubWidget* _item)
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{
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bool first = _item->castType<ISubWidgetText>(false) == nullptr;
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// для первичной очереди нужен порядок
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if (first)
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{
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if (mFirstRenderItems.empty())
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{
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// создаем новый буфер
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RenderItem * item = new RenderItem();
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item->setTexture(_texture);
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mFirstRenderItems.push_back(item);
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return item;
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}
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// если последний буфер пустой, то мона не создавать
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if (mFirstRenderItems.back()->getNeedVertexCount() == 0)
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{
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// пустых может быть сколько угодно, нужен самый первый из пустых
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for (VectorRenderItem::iterator iter=mFirstRenderItems.begin(); iter!=mFirstRenderItems.end(); ++iter)
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{
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if ((*iter)->getNeedVertexCount() == 0)
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{
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// а теперь внимание, если перед пустым наш, то его и юзаем
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if (iter != mFirstRenderItems.begin())
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{
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VectorRenderItem::iterator prev = iter - 1;
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if ((*prev)->getTexture() == _texture)
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{
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return (*prev);
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}
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}
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(*iter)->setTexture(_texture);
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return (*iter);
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}
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}
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}
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// та же текстура
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if (mFirstRenderItems.back()->getTexture() == _texture)
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{
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return mFirstRenderItems.back();
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}
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// создаем новый буфер
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RenderItem * item = new RenderItem();
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item->setTexture(_texture);
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mFirstRenderItems.push_back(item);
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return item;
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}
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// для второй очереди порядок неважен
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for (VectorRenderItem::iterator iter=mSecondRenderItems.begin(); iter!=mSecondRenderItems.end(); ++iter)
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{
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// либо такая же текстура, либо пустой буфер
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if ((*iter)->getTexture() == _texture)
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{
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return (*iter);
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}
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else if ((*iter)->getNeedVertexCount() == 0)
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{
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(*iter)->setTexture(_texture);
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return (*iter);
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}
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}
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// не найденно создадим новый
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RenderItem * item = new RenderItem();
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item->setTexture(_texture);
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mSecondRenderItems.push_back(item);
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return mSecondRenderItems.back();
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}
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void LayerNode::attachLayerItem(ILayerItem* _item)
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{
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mLayerItems.push_back(_item);
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_item->attachItemToNode(mLayer, this);
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}
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void LayerNode::detachLayerItem(ILayerItem* _item)
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{
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for (VectorLayerItem::iterator iter=mLayerItems.begin(); iter!=mLayerItems.end(); ++iter)
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{
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if ((*iter) == _item)
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{
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(*iter) = mLayerItems.back();
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mLayerItems.pop_back();
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return;
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}
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}
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MYGUI_EXCEPT("layer item not found");
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}
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void LayerNode::outOfDate(RenderItem* _item)
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{
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mOutOfDate = true;
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if (_item)
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_item->outOfDate();
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}
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EnumeratorILayerNode LayerNode::getEnumerator()
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{
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return EnumeratorILayerNode(mChildItems);
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}
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void LayerNode::updateCompression()
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{
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// буферы освобождаются по одному всегда
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if (mFirstRenderItems.size() > 1)
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{
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// пытаемся поднять пустой буфер выше полных
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VectorRenderItem::iterator iter1 = mFirstRenderItems.begin();
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VectorRenderItem::iterator iter2 = iter1 + 1;
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while (iter2 != mFirstRenderItems.end())
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{
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if ((*iter1)->getNeedVertexCount() == 0)
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{
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RenderItem * tmp = (*iter1);
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(*iter1) = (*iter2);
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(*iter2) = tmp;
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}
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iter1 = iter2;
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++iter2;
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}
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}
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}
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void LayerNode::dumpStatisticToLog(size_t _level)
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{
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static const char* spacer = " ";
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std::string offset(" ", _level);
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MYGUI_LOG(Info, offset << " - Node batch_count='" << mFirstRenderItems.size() + mSecondRenderItems.size() << spacer);
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for (VectorRenderItem::iterator iter=mFirstRenderItems.begin(); iter!=mFirstRenderItems.end(); ++iter)
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{
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MYGUI_LOG(Info, offset << " * Batch texture='" << ((*iter)->getTexture() == nullptr ? "nullptr" : (*iter)->getTexture()->getName()) << "' vertex_count='" << (*iter)->getVertexCount() << "'" << spacer);
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}
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for (VectorRenderItem::iterator iter=mSecondRenderItems.begin(); iter!=mSecondRenderItems.end(); ++iter)
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{
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MYGUI_LOG(Info, offset << " * Batch texture='" << ((*iter)->getTexture() == nullptr ? "nullptr" : (*iter)->getTexture()->getName()) << "' vertex_count='" << (*iter)->getVertexCount() << "'" << spacer);
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}
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for (VectorILayerNode::iterator iter = mChildItems.begin(); iter!=mChildItems.end(); ++iter)
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{
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(*iter)->dumpStatisticToLog(_level + 1);
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}
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}
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} // namespace MyGUI
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