axmol/cocos/2d/CCParticleSystemQuad.cpp

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/****************************************************************************
Copyright (c) 2008-2010 Ricardo Quesada
Copyright (c) 2009 Leonardo Kasperavičius
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2011 Zynga Inc.
Copyright (c) 2013-2014 Chukong Technologies Inc.
http://www.cocos2d-x.org
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
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
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,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "CCGL.h"
#include "2d/CCParticleSystemQuad.h"
#include "2d/CCSpriteFrame.h"
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#include "2d/CCParticleBatchNode.h"
#include "2d/CCTextureAtlas.h"
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#include "base/CCDirector.h"
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#include "base/CCEventType.h"
Squashed commit of the following: commit c16dcfaaea0922039aad05bce1f4efed18e04871 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 19:05:18 2014 -0700 more linux fixes commit 1553795976c9090a1b46deb53d12910fe0676008 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 19:04:04 2014 -0700 more linux fixes commit 1e43a8cabff33cbf25aa5eb5412f53a878222d83 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 19:02:07 2014 -0700 fixes linux isuses commit 723a445dd6411f91846da2b801248ad8298174f1 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:58:50 2014 -0700 more linux fixes commit 533c8025e794fc76cef02f396b3a93b3d7f4cfc8 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:57:33 2014 -0700 more linux fixes commit 4ba1e84959670bcbf044f18d1c0d4b3cb3be4090 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:53:43 2014 -0700 more linux fixes commit 1f8e011f306a47ed4134224e5e349929201f0539 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:49:28 2014 -0700 more linux fixes commit 3e2033100822ff6d532a1b4f012337491dc11920 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:47:43 2014 -0700 more linux fixes commit 2e708863c75fd032f1b2396dfdf1d31f7a62b713 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:46:00 2014 -0700 more linux fixes commit 861b5b92a6efd4de7b926c20d636ce9d749b293f Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:43:15 2014 -0700 more linux fixes commit 2a43365a0c1755e9b9cada53301be1a20adb31cf Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:36:06 2014 -0700 more fixes for linux commit 7d332bf911892f87c7824d2a5da7bf73ce7ec411 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:35:29 2014 -0700 more fixes for linux commit f1becc17d3316dfe3678c23c9dcedb7a447d9235 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:34:44 2014 -0700 more fixes for linux commit d2e5959bb0dde921dd5e73be1d8acc3b3f50e51d Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:33:45 2014 -0700 fixes for linux commit ad9b633c352107cf0e8b060a0e23d6e6a3f5e80f Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:16:48 2014 -0700 compiles on Windows commit 4425ee8e5de8f42a2d6050e4470109600dce8b5d Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:07:20 2014 -0700 fix builder
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#include "base/CCConfiguration.h"
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#include "math/TransformUtils.h"
#include "renderer/CCGLProgramState.h"
#include "renderer/ccGLStateCache.h"
#include "renderer/CCGLProgram.h"
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#include "renderer/CCRenderer.h"
#include "renderer/CCQuadCommand.h"
#include "renderer/CCCustomCommand.h"
// extern
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#include "base/CCEventListenerCustom.h"
#include "base/CCEventDispatcher.h"
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NS_CC_BEGIN
ParticleSystemQuad::ParticleSystemQuad()
:_quads(nullptr)
,_indices(nullptr)
,_VAOname(0)
{
memset(_buffersVBO, 0, sizeof(_buffersVBO));
}
ParticleSystemQuad::~ParticleSystemQuad()
{
if (nullptr == _batchNode)
{
CC_SAFE_FREE(_quads);
CC_SAFE_FREE(_indices);
glDeleteBuffers(2, &_buffersVBO[0]);
if (Configuration::getInstance()->supportsShareableVAO())
{
glDeleteVertexArrays(1, &_VAOname);
GL::bindVAO(0);
}
}
}
// implementation ParticleSystemQuad
ParticleSystemQuad * ParticleSystemQuad::create(const std::string& filename)
{
ParticleSystemQuad *ret = new ParticleSystemQuad();
if (ret && ret->initWithFile(filename))
{
ret->autorelease();
return ret;
}
CC_SAFE_DELETE(ret);
return ret;
}
ParticleSystemQuad * ParticleSystemQuad::createWithTotalParticles(int numberOfParticles) {
ParticleSystemQuad *ret = new ParticleSystemQuad();
if (ret && ret->initWithTotalParticles(numberOfParticles))
{
ret->autorelease();
return ret;
}
CC_SAFE_DELETE(ret);
return ret;
}
ParticleSystemQuad * ParticleSystemQuad::create(ValueMap &dictionary)
{
ParticleSystemQuad *ret = new (std::nothrow) ParticleSystemQuad();
if (ret && ret->initWithDictionary(dictionary))
{
ret->autorelease();
return ret;
}
CC_SAFE_DELETE(ret);
return ret;
}
//implementation ParticleSystemQuad
// overriding the init method
bool ParticleSystemQuad::initWithTotalParticles(int numberOfParticles)
{
// base initialization
if( ParticleSystem::initWithTotalParticles(numberOfParticles) )
{
// allocating data space
if( ! this->allocMemory() ) {
this->release();
return false;
}
initIndices();
if (Configuration::getInstance()->supportsShareableVAO())
{
setupVBOandVAO();
}
else
{
setupVBO();
}
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setGLProgramState(GLProgramState::getWithGLProgramName(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR_NO_MVP));
#if CC_ENABLE_CACHE_TEXTURE_DATA
// Need to listen the event only when not use batchnode, because it will use VBO
auto listener = EventListenerCustom::create(EVENT_COME_TO_FOREGROUND, CC_CALLBACK_1(ParticleSystemQuad::listenBackToForeground, this));
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
#endif
return true;
}
return false;
}
// pointRect should be in Texture coordinates, not pixel coordinates
void ParticleSystemQuad::initTexCoordsWithRect(const Rect& pointRect)
{
// convert to Tex coords
Rect rect = Rect(
pointRect.origin.x * CC_CONTENT_SCALE_FACTOR(),
pointRect.origin.y * CC_CONTENT_SCALE_FACTOR(),
pointRect.size.width * CC_CONTENT_SCALE_FACTOR(),
pointRect.size.height * CC_CONTENT_SCALE_FACTOR());
GLfloat wide = (GLfloat) pointRect.size.width;
GLfloat high = (GLfloat) pointRect.size.height;
if (_texture)
{
wide = (GLfloat)_texture->getPixelsWide();
high = (GLfloat)_texture->getPixelsHigh();
}
#if CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
GLfloat left = (rect.origin.x*2+1) / (wide*2);
GLfloat bottom = (rect.origin.y*2+1) / (high*2);
GLfloat right = left + (rect.size.width*2-2) / (wide*2);
GLfloat top = bottom + (rect.size.height*2-2) / (high*2);
#else
GLfloat left = rect.origin.x / wide;
GLfloat bottom = rect.origin.y / high;
GLfloat right = left + rect.size.width / wide;
GLfloat top = bottom + rect.size.height / high;
#endif // ! CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
// Important. Texture in cocos2d are inverted, so the Y component should be inverted
CC_SWAP( top, bottom, float);
V3F_C4B_T2F_Quad *quads = nullptr;
unsigned int start = 0, end = 0;
if (_batchNode)
{
quads = _batchNode->getTextureAtlas()->getQuads();
start = _atlasIndex;
end = _atlasIndex + _totalParticles;
}
else
{
quads = _quads;
start = 0;
end = _totalParticles;
}
for(unsigned int i=start; i<end; i++)
{
// bottom-left vertex:
quads[i].bl.texCoords.u = left;
quads[i].bl.texCoords.v = bottom;
// bottom-right vertex:
quads[i].br.texCoords.u = right;
quads[i].br.texCoords.v = bottom;
// top-left vertex:
quads[i].tl.texCoords.u = left;
quads[i].tl.texCoords.v = top;
// top-right vertex:
quads[i].tr.texCoords.u = right;
quads[i].tr.texCoords.v = top;
}
}
void ParticleSystemQuad::updateTexCoords()
{
if (_texture)
{
const Size& s = _texture->getContentSize();
initTexCoordsWithRect(Rect(0, 0, s.width, s.height));
}
}
void ParticleSystemQuad::setTextureWithRect(Texture2D *texture, const Rect& rect)
{
// Only update the texture if is different from the current one
if( !_texture || texture->getName() != _texture->getName() )
{
ParticleSystem::setTexture(texture);
}
this->initTexCoordsWithRect(rect);
}
void ParticleSystemQuad::setTexture(Texture2D* texture)
{
const Size& s = texture->getContentSize();
this->setTextureWithRect(texture, Rect(0, 0, s.width, s.height));
}
void ParticleSystemQuad::setDisplayFrame(SpriteFrame *spriteFrame)
{
CCASSERT(spriteFrame->getOffsetInPixels().equals(Vector2::ZERO),
"QuadParticle only supports SpriteFrames with no offsets");
// update texture before updating texture rect
if ( !_texture || spriteFrame->getTexture()->getName() != _texture->getName())
{
this->setTexture(spriteFrame->getTexture());
}
}
void ParticleSystemQuad::initIndices()
{
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for(int i = 0; i < _totalParticles; ++i)
{
const unsigned int i6 = i*6;
const unsigned int i4 = i*4;
_indices[i6+0] = (GLushort) i4+0;
_indices[i6+1] = (GLushort) i4+1;
_indices[i6+2] = (GLushort) i4+2;
_indices[i6+5] = (GLushort) i4+1;
_indices[i6+4] = (GLushort) i4+2;
_indices[i6+3] = (GLushort) i4+3;
}
}
void ParticleSystemQuad::updateQuadWithParticle(tParticle* particle, const Vector2& newPosition)
{
V3F_C4B_T2F_Quad *quad;
if (_batchNode)
{
V3F_C4B_T2F_Quad *batchQuads = _batchNode->getTextureAtlas()->getQuads();
quad = &(batchQuads[_atlasIndex+particle->atlasIndex]);
}
else
{
quad = &(_quads[_particleIdx]);
}
Color4B color = (_opacityModifyRGB)
? Color4B( particle->color.r*particle->color.a*255, particle->color.g*particle->color.a*255, particle->color.b*particle->color.a*255, particle->color.a*255)
: Color4B( particle->color.r*255, particle->color.g*255, particle->color.b*255, particle->color.a*255);
quad->bl.colors = color;
quad->br.colors = color;
quad->tl.colors = color;
quad->tr.colors = color;
// vertices
GLfloat size_2 = particle->size/2;
if (particle->rotation)
{
GLfloat x1 = -size_2;
GLfloat y1 = -size_2;
GLfloat x2 = size_2;
GLfloat y2 = size_2;
GLfloat x = newPosition.x;
GLfloat y = newPosition.y;
GLfloat r = (GLfloat)-CC_DEGREES_TO_RADIANS(particle->rotation);
GLfloat cr = cosf(r);
GLfloat sr = sinf(r);
GLfloat ax = x1 * cr - y1 * sr + x;
GLfloat ay = x1 * sr + y1 * cr + y;
GLfloat bx = x2 * cr - y1 * sr + x;
GLfloat by = x2 * sr + y1 * cr + y;
GLfloat cx = x2 * cr - y2 * sr + x;
GLfloat cy = x2 * sr + y2 * cr + y;
GLfloat dx = x1 * cr - y2 * sr + x;
GLfloat dy = x1 * sr + y2 * cr + y;
// bottom-left
quad->bl.vertices.x = ax;
quad->bl.vertices.y = ay;
// bottom-right vertex:
quad->br.vertices.x = bx;
quad->br.vertices.y = by;
// top-left vertex:
quad->tl.vertices.x = dx;
quad->tl.vertices.y = dy;
// top-right vertex:
quad->tr.vertices.x = cx;
quad->tr.vertices.y = cy;
}
else
{
// bottom-left vertex:
quad->bl.vertices.x = newPosition.x - size_2;
quad->bl.vertices.y = newPosition.y - size_2;
// bottom-right vertex:
quad->br.vertices.x = newPosition.x + size_2;
quad->br.vertices.y = newPosition.y - size_2;
// top-left vertex:
quad->tl.vertices.x = newPosition.x - size_2;
quad->tl.vertices.y = newPosition.y + size_2;
// top-right vertex:
quad->tr.vertices.x = newPosition.x + size_2;
quad->tr.vertices.y = newPosition.y + size_2;
}
}
void ParticleSystemQuad::postStep()
{
glBindBuffer(GL_ARRAY_BUFFER, _buffersVBO[0]);
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// Option 1: Sub Data
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(_quads[0])*_totalParticles, _quads);
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// Option 2: Data
// glBufferData(GL_ARRAY_BUFFER, sizeof(quads_[0]) * particleCount, quads_, GL_DYNAMIC_DRAW);
// Option 3: Orphaning + glMapBuffer
// glBufferData(GL_ARRAY_BUFFER, sizeof(_quads[0])*_totalParticles, nullptr, GL_STREAM_DRAW);
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// void *buf = glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
// memcpy(buf, _quads, sizeof(_quads[0])*_totalParticles);
// glUnmapBuffer(GL_ARRAY_BUFFER);
glBindBuffer(GL_ARRAY_BUFFER, 0);
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CHECK_GL_ERROR_DEBUG();
}
// overriding draw method
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void ParticleSystemQuad::draw(Renderer *renderer, const Matrix &transform, bool transformUpdated)
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{
CCASSERT( _particleIdx == 0 || _particleIdx == _particleCount, "Abnormal error in particle quad");
//quad command
if(_particleIdx > 0)
{
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_quadCommand.init(_globalZOrder, _texture->getName(), getGLProgram(), _blendFunc, _quads, _particleIdx, transform);
renderer->addCommand(&_quadCommand);
}
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}
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void ParticleSystemQuad::setTotalParticles(int tp)
{
// If we are setting the total number of particles to a number higher
// than what is allocated, we need to allocate new arrays
if( tp > _allocatedParticles )
{
// Allocate new memory
size_t particlesSize = tp * sizeof(tParticle);
size_t quadsSize = sizeof(_quads[0]) * tp * 1;
size_t indicesSize = sizeof(_indices[0]) * tp * 6 * 1;
tParticle* particlesNew = (tParticle*)realloc(_particles, particlesSize);
V3F_C4B_T2F_Quad* quadsNew = (V3F_C4B_T2F_Quad*)realloc(_quads, quadsSize);
GLushort* indicesNew = (GLushort*)realloc(_indices, indicesSize);
if (particlesNew && quadsNew && indicesNew)
{
// Assign pointers
_particles = particlesNew;
_quads = quadsNew;
_indices = indicesNew;
// Clear the memory
memset(_particles, 0, particlesSize);
memset(_quads, 0, quadsSize);
memset(_indices, 0, indicesSize);
_allocatedParticles = tp;
}
else
{
// Out of memory, failed to resize some array
if (particlesNew) _particles = particlesNew;
if (quadsNew) _quads = quadsNew;
if (indicesNew) _indices = indicesNew;
CCLOG("Particle system: out of memory");
return;
}
_totalParticles = tp;
// Init particles
if (_batchNode)
{
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for (int i = 0; i < _totalParticles; i++)
{
_particles[i].atlasIndex=i;
}
}
initIndices();
if (Configuration::getInstance()->supportsShareableVAO())
{
setupVBOandVAO();
}
else
{
setupVBO();
}
// fixed http://www.cocos2d-x.org/issues/3990
// Updates texture coords.
updateTexCoords();
}
else
{
_totalParticles = tp;
}
resetSystem();
}
void ParticleSystemQuad::setupVBOandVAO()
{
// clean VAO
glDeleteBuffers(2, &_buffersVBO[0]);
glDeleteVertexArrays(1, &_VAOname);
GL::bindVAO(0);
glGenVertexArrays(1, &_VAOname);
GL::bindVAO(_VAOname);
#define kQuadSize sizeof(_quads[0].bl)
glGenBuffers(2, &_buffersVBO[0]);
glBindBuffer(GL_ARRAY_BUFFER, _buffersVBO[0]);
glBufferData(GL_ARRAY_BUFFER, sizeof(_quads[0]) * _totalParticles, _quads, GL_DYNAMIC_DRAW);
// vertices
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_POSITION);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, kQuadSize, (GLvoid*) offsetof( V3F_C4B_T2F, vertices));
// colors
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_COLOR);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, kQuadSize, (GLvoid*) offsetof( V3F_C4B_T2F, colors));
// tex coords
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glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_TEX_COORD);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORD, 2, GL_FLOAT, GL_FALSE, kQuadSize, (GLvoid*) offsetof( V3F_C4B_T2F, texCoords));
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _buffersVBO[1]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(_indices[0]) * _totalParticles * 6, _indices, GL_STATIC_DRAW);
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// Must unbind the VAO before changing the element buffer.
GL::bindVAO(0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
CHECK_GL_ERROR_DEBUG();
}
void ParticleSystemQuad::setupVBO()
{
glDeleteBuffers(2, &_buffersVBO[0]);
glGenBuffers(2, &_buffersVBO[0]);
glBindBuffer(GL_ARRAY_BUFFER, _buffersVBO[0]);
glBufferData(GL_ARRAY_BUFFER, sizeof(_quads[0]) * _totalParticles, _quads, GL_DYNAMIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _buffersVBO[1]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(_indices[0]) * _totalParticles * 6, _indices, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
CHECK_GL_ERROR_DEBUG();
}
void ParticleSystemQuad::listenBackToForeground(EventCustom* event)
{
if (Configuration::getInstance()->supportsShareableVAO())
{
setupVBOandVAO();
}
else
{
setupVBO();
}
}
bool ParticleSystemQuad::allocMemory()
{
CCASSERT( ( !_quads && !_indices), "Memory already alloced");
CCASSERT( !_batchNode, "Memory should not be alloced when not using batchNode");
CC_SAFE_FREE(_quads);
CC_SAFE_FREE(_indices);
_quads = (V3F_C4B_T2F_Quad*)malloc(_totalParticles * sizeof(V3F_C4B_T2F_Quad));
_indices = (GLushort*)malloc(_totalParticles * 6 * sizeof(GLushort));
if( !_quads || !_indices)
{
CCLOG("cocos2d: Particle system: not enough memory");
CC_SAFE_FREE(_quads);
CC_SAFE_FREE(_indices);
return false;
}
memset(_quads, 0, _totalParticles * sizeof(V3F_C4B_T2F_Quad));
memset(_indices, 0, _totalParticles * 6 * sizeof(GLushort));
return true;
}
void ParticleSystemQuad::setBatchNode(ParticleBatchNode * batchNode)
{
if( _batchNode != batchNode )
{
ParticleBatchNode* oldBatch = _batchNode;
ParticleSystem::setBatchNode(batchNode);
// NEW: is self render ?
if( ! batchNode )
{
allocMemory();
initIndices();
setTexture(oldBatch->getTexture());
if (Configuration::getInstance()->supportsShareableVAO())
{
setupVBOandVAO();
}
else
{
setupVBO();
}
}
// OLD: was it self render ? cleanup
else if( !oldBatch )
{
// copy current state to batch
V3F_C4B_T2F_Quad *batchQuads = _batchNode->getTextureAtlas()->getQuads();
V3F_C4B_T2F_Quad *quad = &(batchQuads[_atlasIndex] );
memcpy( quad, _quads, _totalParticles * sizeof(_quads[0]) );
CC_SAFE_FREE(_quads);
CC_SAFE_FREE(_indices);
glDeleteBuffers(2, &_buffersVBO[0]);
memset(_buffersVBO, 0, sizeof(_buffersVBO));
if (Configuration::getInstance()->supportsShareableVAO())
{
glDeleteVertexArrays(1, &_VAOname);
GL::bindVAO(0);
_VAOname = 0;
}
}
}
}
ParticleSystemQuad * ParticleSystemQuad::create() {
ParticleSystemQuad *particleSystemQuad = new ParticleSystemQuad();
if (particleSystemQuad && particleSystemQuad->init())
{
particleSystemQuad->autorelease();
return particleSystemQuad;
}
CC_SAFE_DELETE(particleSystemQuad);
return nullptr;
}
std::string ParticleSystemQuad::getDescription() const
{
return StringUtils::format("<ParticleSystemQuad | Tag = %d, Total Particles = %d>", _tag, _totalParticles);
}
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NS_CC_END