112 lines
1.8 KiB
C++
112 lines
1.8 KiB
C++
#include "..\easy2d.h"
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#include "..\EasyX\easyx.h"
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BatchNode::BatchNode()
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{
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}
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BatchNode::~BatchNode()
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{
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clearAllChildren();
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}
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bool BatchNode::_exec(bool active)
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{
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// 批量节点是否显示
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if (!m_bDisplay)
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{
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return false;
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}
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// 逆序遍历所有子节点
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for (int i = int(m_vChildren.size() - 1); i >= 0; i--)
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{
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if (m_vChildren[i]->_exec(active))
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{
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active = false;
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}
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}
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// 若子节点取得了画面焦点，则该节点也取得了焦点
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return !active;
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}
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void BatchNode::_onDraw()
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{
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// 节点是否显示
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if (!m_bDisplay)
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{
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return;
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}
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// 在相对位置绘制子节点
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App::setOrigin(App::getOriginX() + getX(), App::getOriginY() + getY());
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for (auto child : m_vChildren)
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{
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child->_onDraw();
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}
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App::setOrigin(App::getOriginX() - getX(), App::getOriginY() - getY());
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}
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void BatchNode::add(Node * child, int z_Order)
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{
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if (child == nullptr) return;
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// 设置节点的父场景
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child->setParentScene(this->getParentScene());
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// 设置节点在批量节点中的 z 轴顺序
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child->setZOrder(z_Order);
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// 对象的引用计数加一
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child->retain();
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// 按 z 轴顺序插入节点
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size_t size = m_vChildren.size();
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for (unsigned i = 0; i <= size; i++)
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{
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if (i != size)
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{
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if (z_Order < m_vChildren.at(i)->getZOrder())
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{
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m_vChildren.insert(m_vChildren.begin() + i, child);
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break;
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}
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}
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else
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{
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m_vChildren.push_back(child);
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break;
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}
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}
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}
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bool BatchNode::del(Node * child)
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{
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if (child == nullptr) return false;
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// 寻找是否有相同节点
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std::vector<Node*>::iterator iter;
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for (iter = m_vChildren.begin(); iter != m_vChildren.end(); iter++)
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{
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// 找到相同节点
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if ((*iter) == child)
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{
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// 对象的引用计数减一
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(*iter)->release();
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// 去掉该节点
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m_vChildren.erase(iter);
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return true;
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}
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}
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return false;
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}
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void BatchNode::clearAllChildren()
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{
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// 所有节点的引用计数减一
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for (auto child : m_vChildren)
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{
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child->release();
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}
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// 清空储存节点的容器
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m_vChildren.clear();
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}
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