axmol/core/renderer/GroupCommand.cpp

/****************************************************************************
 Copyright (c) 2013-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 https://axmolengine.github.io/

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
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 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#include "renderer/GroupCommand.h"
#include "renderer/Renderer.h"
#include "base/Director.h"

NS_AX_BEGIN

GroupCommandManager::GroupCommandManager() {}

GroupCommandManager::~GroupCommandManager() {}

bool GroupCommandManager::init()
{
    // 0 is the default render group
    _groupMapping[0] = true;
    return true;
}

int GroupCommandManager::getGroupID()
{
    // Reuse old id
    if (!_unusedIDs.empty())
    {
        int groupID = *_unusedIDs.rbegin();
        _unusedIDs.pop_back();
        _groupMapping[groupID] = true;
        return groupID;
    }

    // Create new ID
    //    int newID = _groupMapping.size();
    int newID            = Director::getInstance()->getRenderer()->createRenderQueue();
    _groupMapping[newID] = true;

    return newID;
}

void GroupCommandManager::releaseGroupID(int groupID)
{
    _groupMapping[groupID] = false;
    _unusedIDs.emplace_back(groupID);
}

GroupCommand::GroupCommand()
{
    _type          = RenderCommand::Type::GROUP_COMMAND;
    _renderQueueID = Director::getInstance()->getRenderer()->getGroupCommandManager()->getGroupID();
}

void GroupCommand::init(float globalOrder)
{
    _globalOrder = globalOrder;
    auto manager = Director::getInstance()->getRenderer()->getGroupCommandManager();
    manager->releaseGroupID(_renderQueueID);
    _renderQueueID = manager->getGroupID();
}

void GroupCommand::reset()
{
    _globalOrder   = 0.0f;
    _isTransparent = true;
    _skipBatching  = false;
    _is3D          = false;
    _depth         = 0.0f;
    _isWireframe   = false;
}

GroupCommand::~GroupCommand()
{
    Director::getInstance()->getRenderer()->getGroupCommandManager()->releaseGroupID(_renderQueueID);
}

NS_AX_END