Magic_Game/Easy2D/Node/BatchNode.cpp

#include "..\easy2d.h"
#include "..\EasyX\easyx.h"
#include <assert.h>

BatchNode::BatchNode()
{
}


BatchNode::~BatchNode()
{
	clearAllChildren();
}

bool BatchNode::_exec(bool active)
{
	// <20><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ
	if (!m_bDisplay)
	{
		return false;
	}
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<D3BD>
	for (int i = int(m_vChildren.size() - 1); i >= 0; i--)
	{
		assert(m_vChildren[i]);
		if (m_vChildren[i]->_exec(active))
		{
			active = false;
		}
	}
	// <20><><EFBFBD>ӽڵ<D3BD>ȡ<EFBFBD><C8A1><EFBFBD>˻<EFBFBD><CBBB>潹<EFBFBD>㣬<EFBFBD><E3A3AC><EFBFBD>ýڵ<C3BD>Ҳȡ<D2B2><C8A1><EFBFBD>˽<EFBFBD><CBBD><EFBFBD>
	return !active;
}

void BatchNode::_onDraw()
{
	// <20>ڵ<EFBFBD><DAB5>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ
	if (!m_bDisplay)
	{
		return;
	}
	
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD>ӽڵ<D3BD>
	App::setOrigin(App::getOriginX() + m_nX, App::getOriginY() + m_nY);
	for (auto child : m_vChildren)
	{
		assert(child);
		child->_onDraw();
	}
	App::setOrigin(App::getOriginX() - m_nX, App::getOriginY() - m_nY);
}

void BatchNode::add(Node * child, int z_Order)
{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵĽڵ<C4BD><DAB5>ǿ<EFBFBD>
	assert(child);
	// <20><><EFBFBD>ýڵ<C3BD><DAB5>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD><EFBFBD>
	child->setParentScene(this->getParentScene());
	// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5>е<EFBFBD> z <20><>˳<EFBFBD><CBB3>
	child->setZOrder(z_Order);
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD>һ
	child->retain();

	// <20><> z <20><>˳<EFBFBD><CBB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>
	size_t size = m_vChildren.size();
	for (unsigned i = 0; i <= size; i++)
	{
		if (i != size)
		{
			if (z_Order < m_vChildren.at(i)->getZOrder())
			{
				m_vChildren.insert(m_vChildren.begin() + i, child);
				break;
			}
		}
		else
		{
			m_vChildren.push_back(child);
			break;
		}
	}
}

bool BatchNode::del(Node * child)
{
	// <20><><EFBFBD>Խڵ<D4BD><DAB5>ǿ<EFBFBD>
	assert(child);

	// Ѱ<><D1B0><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD>ڵ<EFBFBD>
	std::vector<Node*>::iterator iter;
	for (iter = m_vChildren.begin(); iter != m_vChildren.end(); iter++)
	{
		// <20>ҵ<EFBFBD><D2B5><EFBFBD>ͬ<EFBFBD>ڵ<EFBFBD>
		if ((*iter) == child)
		{
			// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD>һ
			(*iter)->release();
			// ȥ<><C8A5><EFBFBD>ýڵ<C3BD>
			m_vChildren.erase(iter);
			return true;
		}
	}
	return false;
}

void BatchNode::clearAllChildren()
{
	// <20><><EFBFBD>нڵ<D0BD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD>һ
	for (auto child : m_vChildren)
	{
		child->release();
	}
	// <20><><EFBFBD>մ<EFBFBD><D5B4><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	m_vChildren.clear();
}