axmol/cocos/editor-support/cocostudio/CCBatchNode.cpp

/****************************************************************************
Copyright (c) 2013 cocos2d-x.org

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#include "cocostudio/CCBatchNode.h"
#include "cocostudio/CCArmatureDefine.h"
#include "cocostudio/CCArmature.h"
#include "cocostudio/CCSkin.h"
#include "Renderer.h"
#include "GroupCommand.h"

using namespace cocos2d;

namespace cocostudio {

BatchNode *BatchNode::create()
{
    BatchNode *batchNode = new BatchNode();
    if (batchNode && batchNode->init())
    {
        batchNode->autorelease();
        return batchNode;
    }
    CC_SAFE_DELETE(batchNode);
    return nullptr;
}

BatchNode::BatchNode()
{
}

BatchNode::~BatchNode()
{
}

bool BatchNode::init()
{
    bool ret = Node::init();
    setShaderProgram(ShaderCache::getInstance()->getProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR));

    return ret;
}

void BatchNode::addChild(Node *pChild)
{
    Node::addChild(pChild);
}

void BatchNode::addChild(Node *child, int zOrder)
{
    Node::addChild(child, zOrder);
}

void BatchNode::addChild(Node *child, int zOrder, int tag)
{
    Node::addChild(child, zOrder, tag);
    Armature *armature = dynamic_cast<Armature *>(child);
    if (armature != nullptr)
    {
        armature->setBatchNode(this);
    }
}

void BatchNode::removeChild(Node* child, bool cleanup)
{
    Armature *armature = dynamic_cast<Armature *>(child);
    if (armature != nullptr)
    {
        armature->setBatchNode(nullptr);
    }

    Node::removeChild(child, cleanup);
}

void BatchNode::visit()
{
    // quick return if not visible. children won't be drawn.
    if (!_visible)
    {
        return;
    }
    kmGLPushMatrix();

    if (_grid && _grid->isActive())
    {
        _grid->beforeDraw();
    }

    transform();
    sortAllChildren();
    draw();

    // reset for next frame
    _orderOfArrival = 0;

    if (_grid && _grid->isActive())
    {
        _grid->afterDraw(this);
    }

    kmGLPopMatrix();
}

void BatchNode::draw()
{
    if (_children.empty())
    {
        return;
    }

    CC_NODE_DRAW_SETUP();
    
    generateGroupCommand();

    for(auto object : _children)
    {
        Armature *armature = dynamic_cast<Armature *>(object);
        if (armature)
        {
            if (_popGroupCommand)
            {
                generateGroupCommand();
            }
        
            armature->visit();
        }
        else
        {
            Renderer::getInstance()->popGroup();
            _popGroupCommand = true;
            
            ((Node *)object)->visit();
        }
    }
}

void BatchNode::generateGroupCommand()
{
    Renderer* renderer = Renderer::getInstance();
    GroupCommand* groupCommand = GroupCommand::getCommandPool().generateCommand();
    groupCommand->init(0,_vertexZ);
    renderer->addCommand(groupCommand);

    renderer->pushGroup(groupCommand->getRenderQueueID());
    
    _popGroupCommand = false;
}

}