mirror of https://github.com/axmolengine/axmol.git
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
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/****************************************************************************
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Copyright (c) 2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "CCSubMesh.h"
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#include <list>
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#include <fstream>
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#include <iostream>
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#include <sstream>
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#include "3d/CCObjLoader.h"
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#include "3d/CCSprite3DMaterial.h"
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#include "base/ccMacros.h"
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#include "base/CCEventCustom.h"
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#include "base/CCEventListenerCustom.h"
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#include "base/CCEventDispatcher.h"
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#include "base/CCEventType.h"
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#include "base/CCDirector.h"
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#include "renderer/ccGLStateCache.h"
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using namespace std;
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NS_CC_BEGIN
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SubMesh::SubMesh()
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: _indexBuffer(0)
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, _primitiveType(PrimitiveType::TRIANGLES)
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, _indexFormat(IndexFormat::INDEX16)
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, _indexCount(0)
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{
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}
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SubMesh::~SubMesh()
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{
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cleanAndFreeBuffers();
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}
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SubMesh* SubMesh::create(PrimitiveType primitivetype, IndexFormat indexformat, const std::vector<unsigned short>& indices)
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{
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auto submesh = new SubMesh();
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submesh->_primitiveType = primitivetype;
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submesh->_indexFormat = indexformat;
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submesh->autorelease();
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return submesh;
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}
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void SubMesh::cleanAndFreeBuffers()
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{
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if(glIsBuffer(_indexBuffer))
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{
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glDeleteBuffers(1, &_indexBuffer);
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_indexBuffer = 0;
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}
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_indexCount = 0;
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}
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void SubMesh::buildBuffer(const std::vector<unsigned short>& indices)
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{
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glGenBuffers(1, &_indexBuffer);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _indexBuffer);
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unsigned int indexSize = 2;
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glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexSize * indices.size(), &indices[0], GL_STATIC_DRAW);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
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_indexCount = indices.size();
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}
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NS_CC_END
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