mirror of https://github.com/axmolengine/axmol.git
412 lines
14 KiB
C++
412 lines
14 KiB
C++
/****************************************************************************
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Copyright (c) 2015-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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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 "extensions/Particle3D/CCParticleSystem3D.h"
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#include <stddef.h> // offsetof
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#include "base/ccTypes.h"
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#include "extensions/Particle3D/CCParticle3DRender.h"
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#include "renderer/CCMeshCommand.h"
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#include "renderer/CCRenderer.h"
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#include "renderer/CCTextureCache.h"
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#include "renderer/backend/ProgramState.h"
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#include "renderer/backend/Buffer.h"
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#include "renderer/backend/Device.h"
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#include "renderer/ccShaders.h"
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#include "base/CCDirector.h"
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#include "3d/CCSprite3D.h"
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#include "2d/CCCamera.h"
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NS_CC_BEGIN
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Particle3DQuadRender::Particle3DQuadRender()
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: _texture(nullptr), _programState(nullptr), _indexBuffer(nullptr), _vertexBuffer(nullptr), _texFile("")
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{}
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Particle3DQuadRender::~Particle3DQuadRender()
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{
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// CC_SAFE_RELEASE(_texture);
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CC_SAFE_RELEASE(_programState);
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CC_SAFE_RELEASE(_vertexBuffer);
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CC_SAFE_RELEASE(_indexBuffer);
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}
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Particle3DQuadRender* Particle3DQuadRender::create(const std::string& texFile)
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{
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auto ret = new Particle3DQuadRender();
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if (ret->initQuadRender(texFile))
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{
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ret->_texFile = texFile;
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ret->autorelease();
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}
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else
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{
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CC_SAFE_DELETE(ret);
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}
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return ret;
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}
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void Particle3DQuadRender::render(Renderer* renderer, const Mat4& transform, ParticleSystem3D* particleSystem)
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{
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// batch and generate draw
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const ParticlePool& particlePool = particleSystem->getParticlePool();
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if (!_isVisible || particlePool.empty())
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return;
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if (_vertexBuffer == nullptr)
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{
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size_t stride = sizeof(Particle3DQuadRender::posuvcolor);
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_vertexBuffer =
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backend::Device::getInstance()->newBuffer(stride * 4 * particleSystem->getParticleQuota(),
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backend::BufferType::VERTEX, backend::BufferUsage::DYNAMIC);
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if (_vertexBuffer == nullptr)
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{
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CCLOG("Particle3DQuadRender::render create vertex buffer failed");
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return;
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}
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}
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if (_indexBuffer == nullptr)
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{
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_indexBuffer =
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backend::Device::getInstance()->newBuffer(sizeof(uint16_t) * 6 * particleSystem->getParticleQuota(),
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backend::BufferType::INDEX, backend::BufferUsage::DYNAMIC);
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if (_indexBuffer == nullptr)
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{
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CCLOG("Particle3DQuadRender::render create index buffer failed");
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return;
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}
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}
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ParticlePool::PoolList activeParticleList = particlePool.getActiveDataList();
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if (_posuvcolors.size() < activeParticleList.size() * 4)
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{
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_posuvcolors.resize(activeParticleList.size() * 4);
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_indexData.resize(activeParticleList.size() * 6);
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}
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auto camera = Camera::getVisitingCamera();
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auto cameraMat = camera->getNodeToWorldTransform();
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const Mat4& viewMat = cameraMat.getInversed();
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Mat4 pRotMat;
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Vec3 right(cameraMat.m[0], cameraMat.m[1], cameraMat.m[2]);
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Vec3 up(cameraMat.m[4], cameraMat.m[5], cameraMat.m[6]);
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Vec3 backward(cameraMat.m[8], cameraMat.m[9], cameraMat.m[10]);
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Vec3 position; // particle position
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int vertexindex = 0;
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int index = 0;
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for (auto iter : activeParticleList)
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{
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auto particle = iter;
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Vec3 halfwidth = particle->width * 0.5f * right;
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Vec3 halfheight = particle->height * 0.5f * up;
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// transform.transformPoint(particle->position, &position);
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position = particle->position;
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_posuvcolors[vertexindex].position = (position + (-halfwidth - halfheight));
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_posuvcolors[vertexindex].color = particle->color;
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_posuvcolors[vertexindex].uv.set(particle->lb_uv);
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_posuvcolors[vertexindex + 1].position = (position + (halfwidth - halfheight));
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_posuvcolors[vertexindex + 1].color = particle->color;
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_posuvcolors[vertexindex + 1].uv.set(particle->rt_uv.x, particle->lb_uv.y);
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_posuvcolors[vertexindex + 2].position = (position + (-halfwidth + halfheight));
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_posuvcolors[vertexindex + 2].color = particle->color;
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_posuvcolors[vertexindex + 2].uv.set(particle->lb_uv.x, particle->rt_uv.y);
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_posuvcolors[vertexindex + 3].position = (position + (halfwidth + halfheight));
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_posuvcolors[vertexindex + 3].color = particle->color;
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_posuvcolors[vertexindex + 3].uv.set(particle->rt_uv);
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_indexData[index] = vertexindex;
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_indexData[index + 1] = vertexindex + 1;
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_indexData[index + 2] = vertexindex + 3;
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_indexData[index + 3] = vertexindex;
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_indexData[index + 4] = vertexindex + 3;
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_indexData[index + 5] = vertexindex + 2;
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index += 6;
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vertexindex += 4;
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}
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_posuvcolors.erase(_posuvcolors.begin() + vertexindex, _posuvcolors.end());
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_indexData.erase(_indexData.begin() + index, _indexData.end());
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_vertexBuffer->updateData(&_posuvcolors[0], vertexindex * sizeof(_posuvcolors[0]));
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_indexBuffer->updateData(&_indexData[0], index * sizeof(_indexData[0]));
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float depthZ = -(viewMat.m[2] * transform.m[12] + viewMat.m[6] * transform.m[13] + viewMat.m[10] * transform.m[14] +
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viewMat.m[14]);
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_beforeCommand.init(depthZ);
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_meshCommand.init(depthZ);
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_afterCommand.init(depthZ);
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_meshCommand.setVertexBuffer(_vertexBuffer);
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_meshCommand.setIndexBuffer(_indexBuffer, MeshCommand::IndexFormat::U_SHORT);
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auto& projectionMatrix = Director::getInstance()->getMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
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_programState->setUniform(_locPMatrix, &projectionMatrix.m, sizeof(projectionMatrix.m));
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if (_texture)
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{
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_programState->setTexture(_locTexture, 0, _texture->getBackendTexture());
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}
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_stateBlock.setBlendFunc(particleSystem->getBlendFunc());
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auto uColor = Vec4(1, 1, 1, 1);
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_programState->setUniform(_locColor, &uColor, sizeof(uColor));
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_meshCommand.setIndexDrawInfo(0, index);
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renderer->addCommand(&_beforeCommand);
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renderer->addCommand(&_meshCommand);
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renderer->addCommand(&_afterCommand);
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}
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bool Particle3DQuadRender::initQuadRender(const std::string& texFile)
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{
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CC_SAFE_RELEASE_NULL(_programState);
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if (!texFile.empty())
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{
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auto tex = Director::getInstance()->getTextureCache()->addImage(texFile);
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if (tex)
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{
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_texture = tex;
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auto* program = backend::Program::getBuiltinProgram(backend::ProgramType::PARTICLE_TEXTURE_3D);
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_programState = new backend::ProgramState(program);
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}
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}
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if (!_programState)
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{
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auto* program = backend::Program::getBuiltinProgram(backend::ProgramType::PARTICLE_COLOR_3D);
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_programState = new backend::ProgramState(program);
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}
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auto& pipelineDescriptor = _meshCommand.getPipelineDescriptor();
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pipelineDescriptor.programState = _programState;
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auto layout = _programState->getVertexLayout();
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const auto& attributeInfo = _programState->getProgram()->getActiveAttributes();
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auto iter = attributeInfo.find("a_position");
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if (iter != attributeInfo.end())
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{
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layout->setAttribute("a_position", iter->second.location, backend::VertexFormat::FLOAT3,
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offsetof(posuvcolor, position), false);
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}
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iter = attributeInfo.find("a_texCoord");
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if (iter != attributeInfo.end())
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{
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layout->setAttribute("a_texCoord", iter->second.location, backend::VertexFormat::FLOAT2,
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offsetof(posuvcolor, uv), false);
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}
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iter = attributeInfo.find("a_color");
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if (iter != attributeInfo.end())
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{
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layout->setAttribute("a_color", iter->second.location, backend::VertexFormat::FLOAT4,
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offsetof(posuvcolor, color), false);
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}
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layout->setLayout(sizeof(posuvcolor));
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_locColor = _programState->getUniformLocation("u_color");
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_locPMatrix = _programState->getUniformLocation("u_PMatrix");
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_locTexture = _programState->getUniformLocation("u_texture");
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_meshCommand.setTransparent(true);
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_meshCommand.setSkipBatching(true);
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_stateBlock.setDepthTest(true);
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_stateBlock.setDepthWrite(false);
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_stateBlock.setCullFaceSide(backend::CullMode::BACK);
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_stateBlock.setCullFace(true);
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_beforeCommand.func = CC_CALLBACK_0(Particle3DQuadRender::onBeforeDraw, this);
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_afterCommand.func = CC_CALLBACK_0(Particle3DQuadRender::onAfterDraw, this);
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return true;
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}
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void Particle3DQuadRender::onBeforeDraw()
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{
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auto* renderer = Director::getInstance()->getRenderer();
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auto& pipelineDescriptor = _meshCommand.getPipelineDescriptor();
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_rendererDepthTestEnabled = renderer->getDepthTest();
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_rendererDepthCmpFunc = renderer->getDepthCompareFunction();
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_rendererCullMode = renderer->getCullMode();
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_rendererDepthWrite = renderer->getDepthWrite();
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_rendererWinding = renderer->getWinding();
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_stateBlock.bind(&pipelineDescriptor);
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renderer->setDepthTest(true);
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}
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void Particle3DQuadRender::onAfterDraw()
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{
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auto* renderer = Director::getInstance()->getRenderer();
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renderer->setDepthTest(_rendererDepthTestEnabled);
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renderer->setDepthCompareFunction(_rendererDepthCmpFunc);
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renderer->setCullMode(_rendererCullMode);
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renderer->setDepthWrite(_rendererDepthWrite);
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renderer->setWinding(_rendererWinding);
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}
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void Particle3DQuadRender::reset()
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{
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this->initQuadRender(_texFile);
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}
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//////////////////////////////////////////////////////////////////////////////
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Particle3DModelRender::Particle3DModelRender() : _spriteSize(Vec3::ONE) {}
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Particle3DModelRender::~Particle3DModelRender()
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{
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for (auto iter : _spriteList)
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{
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iter->release();
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}
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}
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Particle3DModelRender* Particle3DModelRender::create(const std::string& modelFile, const std::string& texFile)
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{
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auto ret = new Particle3DModelRender();
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ret->_modelFile = modelFile;
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ret->_texFile = texFile;
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return ret;
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}
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void Particle3DModelRender::render(Renderer* renderer, const Mat4& transform, ParticleSystem3D* particleSystem)
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{
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if (!_isVisible)
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return;
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if (_spriteList.empty())
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{
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for (unsigned int i = 0; i < particleSystem->getParticleQuota(); ++i)
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{
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Sprite3D* sprite = Sprite3D::create(_modelFile);
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if (sprite == nullptr)
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{
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CCLOG("failed to load file %s", _modelFile.c_str());
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continue;
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}
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sprite->setTexture(_texFile);
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sprite->retain();
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_spriteList.push_back(sprite);
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}
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if (!_spriteList.empty())
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{
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const AABB& aabb = _spriteList[0]->getAABB();
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Vec3 corners[8];
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aabb.getCorners(corners);
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_spriteSize = corners[3] - corners[6];
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}
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}
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const ParticlePool& particlePool = particleSystem->getParticlePool();
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ParticlePool::PoolList activeParticleList = particlePool.getActiveDataList();
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Mat4 mat;
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Mat4 rotMat;
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Mat4 sclMat;
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Quaternion q;
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transform.decompose(nullptr, &q, nullptr);
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unsigned int index = 0;
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for (auto iter : activeParticleList)
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{
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auto particle = iter;
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Mat4::createRotation(q * particle->orientation, &rotMat);
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sclMat.m[0] = particle->width / _spriteSize.x;
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sclMat.m[5] = particle->height / _spriteSize.y;
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sclMat.m[10] = particle->depth / _spriteSize.z;
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mat = rotMat * sclMat;
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mat.m[12] = particle->position.x;
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mat.m[13] = particle->position.y;
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mat.m[14] = particle->position.z;
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_spriteList[index++]->draw(renderer, mat, 0);
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}
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}
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void Particle3DModelRender::reset()
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{
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for (auto iter : _spriteList)
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{
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iter->release();
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}
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_spriteList.clear();
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}
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// MARK: Particle3DRender
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Particle3DRender::Particle3DRender()
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: _particleSystem(nullptr), _isVisible(true), _rendererScale(Vec3::ONE), _depthTest(true), _depthWrite(false)
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{
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_stateBlock.setCullFace(false);
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_stateBlock.setCullFaceSide(backend::CullMode::BACK);
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_stateBlock.setDepthTest(false);
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_stateBlock.setDepthWrite(false);
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_stateBlock.setBlend(true);
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};
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Particle3DRender::~Particle3DRender() {}
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void Particle3DRender::copyAttributesTo(Particle3DRender* render)
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{
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render->_stateBlock = _stateBlock;
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render->_isVisible = _isVisible;
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render->_rendererScale = _rendererScale;
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render->_depthTest = _depthTest;
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render->_depthWrite = _depthWrite;
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}
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void Particle3DRender::notifyStart()
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{
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setVisible(true);
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}
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void Particle3DRender::notifyStop()
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{
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setVisible(false);
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}
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void Particle3DRender::notifyRescaled(const Vec3& scale)
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{
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_rendererScale = scale;
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}
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void Particle3DRender::setDepthTest(bool isDepthTest)
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{
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_depthTest = isDepthTest;
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_stateBlock.setDepthTest(_depthTest);
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}
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void Particle3DRender::setDepthWrite(bool isDepthWrite)
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{
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_depthWrite = isDepthWrite;
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_stateBlock.setDepthWrite(_depthWrite);
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}
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void Particle3DRender::setBlendFunc(const BlendFunc& blendFunc)
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{
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_stateBlock.setBlendFunc(blendFunc);
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}
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NS_CC_END
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