mirror of
https://github.com/cocos/cocos-engine.git
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116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/****************************************************************************
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Copyright (c) 2020-2022 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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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 engine source code (the "Software"), a limited,
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worldwide, royalty-free, non-assignable, revocable and non-exclusive license
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to use Cocos Creator solely to develop games on your target platforms. You shall
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not use Cocos Creator software for developing other software or tools that's
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used for developing games. You are not granted to publish, distribute,
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sublicense, and/or sell copies of Cocos Creator.
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The software or tools in this License Agreement are licensed, not sold.
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Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
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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 "MeshBuffer.h"
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MIDDLEWARE_BEGIN
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MeshBuffer::MeshBuffer(int vertexFormat)
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: MeshBuffer(vertexFormat, INIT_INDEX_BUFFER_SIZE, MAX_VERTEX_BUFFER_SIZE) {
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}
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MeshBuffer::MeshBuffer(int vertexFormat, size_t indexSize, size_t vertexSize)
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: _vertexFormat(vertexFormat), _ib(indexSize), _vb(vertexSize * vertexFormat * sizeof(float)) {
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_vb.setMaxSize(MAX_VERTEX_BUFFER_SIZE * _vertexFormat * sizeof(float));
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_ib.setMaxSize(INIT_INDEX_BUFFER_SIZE);
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_vb.setFullCallback([this] {
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uploadVB();
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uploadIB();
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_vb.reset();
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_ib.reset();
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next();
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});
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init();
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}
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MeshBuffer::~MeshBuffer() {
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clear();
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}
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void MeshBuffer::clear() {
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size_t num = _vbArr.size();
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for (size_t i = 0; i < num; i++) {
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delete _ibArr[i];
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delete _vbArr[i];
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}
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_ibArr.clear();
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_vbArr.clear();
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}
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void MeshBuffer::afterCleanupHandle() {
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clear();
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se::ScriptEngine::getInstance()->addAfterInitHook([this] { init(); });
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}
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void MeshBuffer::init() {
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auto *rIB = new IOTypedArray(se::Object::TypedArrayType::UINT16, _ib.getCapacity());
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_ibArr.push_back(rIB);
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auto *rVB = new IOTypedArray(se::Object::TypedArrayType::FLOAT32, _vb.getCapacity());
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_vbArr.push_back(rVB);
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se::ScriptEngine::getInstance()->addAfterCleanupHook([this] { afterCleanupHandle(); });
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}
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void MeshBuffer::uploadVB() {
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auto length = _vb.length();
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if (length == 0) return;
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auto *rVB = _vbArr[_bufferPos];
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rVB->reset();
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rVB->writeBytes(reinterpret_cast<const char *>(_vb.getBuffer()), _vb.length());
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}
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void MeshBuffer::uploadIB() {
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auto length = _ib.length();
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if (length == 0) return;
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auto *rIB = _ibArr[_bufferPos];
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rIB->reset();
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rIB->writeBytes(reinterpret_cast<const char *>(_ib.getBuffer()), _ib.length());
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}
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void MeshBuffer::next() {
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_bufferPos++;
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if (_ibArr.size() <= _bufferPos) {
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auto *rIB = new IOTypedArray(se::Object::TypedArrayType::UINT16, _ib.getCapacity());
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_ibArr.push_back(rIB);
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}
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if (_vbArr.size() <= _bufferPos) {
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auto *rVB = new IOTypedArray(se::Object::TypedArrayType::FLOAT32, _vb.getCapacity());
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_vbArr.push_back(rVB);
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}
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}
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void MeshBuffer::reset() {
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_bufferPos = 0;
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_vb.reset();
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_ib.reset();
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}
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MIDDLEWARE_END
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