axmol/cocos/2d/CCParticleSystemQuad.cpp

615 lines
18 KiB
C++
Raw Normal View History

/****************************************************************************
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.
****************************************************************************/
2014-08-28 17:03:29 +08:00
#include "2d/CCParticleSystemQuad.h"
#include <algorithm>
#include "2d/CCSpriteFrame.h"
2014-05-10 09:39:25 +08:00
#include "2d/CCParticleBatchNode.h"
Squashed commit of the following: commit a794d107ad85667e3d754f0b6251fc864dfbf288 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 14:33:49 2014 -0700 Yeah... everything compiles on win32 and wp8 commit 4740be6e4a0d16f742c27996e7ab2c100adc76af Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 13:58:38 2014 -0700 CCIME moved to base and compiles on Android commit ff3e1bf1eb27a01019f4e1b56d1aebbe2d385f72 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 13:02:57 2014 -0700 compiles Ok for Windows Phone 8 commit 8160a4eb2ecdc61b5bd1cf56b90d2da6f11e3ebd Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 12:25:31 2014 -0700 fixes for Windows Phone 8 commit 418197649efc93032aee0adc205e502101cdb53d Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 11:15:13 2014 -0700 Compiles on Win32 commit 08813ed7cf8ac1079ffadeb1ce78ea9e833e1a33 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 10:08:31 2014 -0700 Compiles on linux! commit 118896521e5b335a5257090b6863f1fb2a2002fe Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 09:30:42 2014 -0700 moves cocos/2d/platform -> cocos/platform commit 4fe9319d7717b0c1bccb2db0156eeb86255a89e0 Merge: bd68ec2 511295e Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Fri May 16 08:24:41 2014 -0700 Merge remote-tracking branch 'cocos2d/v3' into files commit bd68ec2f0e3a826d8b2f4b60564ba65ce766bc56 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Thu May 15 19:36:23 2014 -0700 files in the correct directory
2014-05-17 05:36:00 +08:00
#include "renderer/CCTextureAtlas.h"
2014-08-28 17:03:29 +08:00
#include "renderer/ccGLStateCache.h"
#include "renderer/CCRenderer.h"
2014-05-10 09:39:25 +08:00
#include "base/CCDirector.h"
2014-04-30 08:37:36 +08:00
#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
2014-05-01 10:09:13 +08:00
#include "base/CCConfiguration.h"
2014-04-30 08:37:36 +08:00
#include "base/CCEventListenerCustom.h"
#include "base/CCEventDispatcher.h"
2014-08-28 17:03:29 +08:00
#include "deprecated/CCString.h"
2012-04-18 18:43:45 +08:00
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 (std::nothrow) ParticleSystemQuad();
if (ret && ret->initWithFile(filename))
{
ret->autorelease();
return ret;
}
CC_SAFE_DELETE(ret);
return ret;
}
ParticleSystemQuad * ParticleSystemQuad::createWithTotalParticles(int numberOfParticles) {
ParticleSystemQuad *ret = new (std::nothrow) 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();
}
setGLProgramState(GLProgramState::getOrCreateWithGLProgramName(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_RENDERER_RECREATED, CC_CALLBACK_1(ParticleSystemQuad::listenRendererRecreated, 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
std::swap(top, bottom);
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)
{
Squashed commit of the following: commit a9572b8913f3a38b59adbd7b4017ab9848a6b2b5 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed May 14 10:03:44 2014 -0700 math renames `Vector2` -> `Vec2` `Vector3` -> `Vec3` `Vector4` -> `Vec4` `Matrix` -> `Mat4` commit 4e107f4bd854c26bfceb52b063d6bd9cea02d6a3 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 09:24:28 2014 -0700 raw version of rename Vector3 commit 1d115573ebe96a5fc815fa44fbe6417ea7dba841 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 09:07:14 2014 -0700 rename Vector2 after merge commit ab2ed58c129dbc30a4c0970ed94568c5d271657b Merge: 1978d2d 86fb75a Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 09:05:30 2014 -0700 Merge branch 'v3' into v3_renameMathClassName Conflicts: tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UIButtonTest/UIButtonTest_Editor.cpp tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UICheckBoxTest/UICheckBoxTest_Editor.cpp tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UISliderTest/UISliderTest_Editor.cpp tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UITextFieldTest/UITextFieldTest.cpp tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UITextFieldTest/UITextFieldTest_Editor.cpp commit 1978d2d174877172ccddc083020a1bbf43ad3b39 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 08:51:45 2014 -0700 rename vector2 in tests/cpp-empty-test folder commit d4e0ff13dcce62724d2fece656543f26aa28e467 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:58:23 2014 -0700 rename vector2 in tests/cpp-tests cpp files commit be50ca2ec75e0fd32a6fcdaa15fe1ebb4cafe79f Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:52:57 2014 -0700 rename vector2 in tests/cpp-tests head files commit 6daef564400d4e28c4ce20859a68e0f583fed125 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:49:48 2014 -0700 rename vector2 in extension folder commit 8f3f0f65ceea92c9e7a0d87ab54e62220c5572e2 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:47:22 2014 -0700 rename vector2 in cocos/2d cpp files commit e1f3105aae06d595661a3030f519f7cc13aefbed Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:44:39 2014 -0700 rename vector2 in cocos/2d head files commit 6708d890bfe486109120c3cd4b9fe5c078b7108f Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:40:59 2014 -0700 rename vector2 in cocos/base folder commit d3978fa5447c31ea2f3ece5469b7e746dfba4248 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:40:43 2014 -0700 rename vector2 in cocos/deprecated folder commit 4bff45139363d6b9706edbbcf9f322d48b4fd019 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:40:26 2014 -0700 rename vector2 in cocos/editor-support folder commit 353d244c995f8b5d14f635c52aed8bc5e5fc1a6f Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:36:48 2014 -0700 rename vector2 in cocos/ui folder commit 758b8f4d513084b9922d7242e9b8f2c7f316de6c Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:32:39 2014 -0700 rename vector2 in cocos/renderer folder commit 0bd2710dd8714cecb993880bc37affd9ecb05c27 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:32:15 2014 -0700 rename vector2 in cocos/physics folder commit b7f0581c4587348bdbc1478d5374c2325735f21d Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:25:01 2014 -0700 rename vector2 in cocos/math folder commit a8631a8e1a4e2740807ccd9be9d70de6ecaad7dd Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:16:55 2014 -0700 rename Vector2 to Vec2 deprecate typedef Vector2
2014-05-15 01:07:09 +08:00
CCASSERT(spriteFrame->getOffsetInPixels().equals(Vec2::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()
{
2013-09-08 11:26:38 +08:00
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;
}
}
Squashed commit of the following: commit a9572b8913f3a38b59adbd7b4017ab9848a6b2b5 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed May 14 10:03:44 2014 -0700 math renames `Vector2` -> `Vec2` `Vector3` -> `Vec3` `Vector4` -> `Vec4` `Matrix` -> `Mat4` commit 4e107f4bd854c26bfceb52b063d6bd9cea02d6a3 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 09:24:28 2014 -0700 raw version of rename Vector3 commit 1d115573ebe96a5fc815fa44fbe6417ea7dba841 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 09:07:14 2014 -0700 rename Vector2 after merge commit ab2ed58c129dbc30a4c0970ed94568c5d271657b Merge: 1978d2d 86fb75a Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 09:05:30 2014 -0700 Merge branch 'v3' into v3_renameMathClassName Conflicts: tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UIButtonTest/UIButtonTest_Editor.cpp tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UICheckBoxTest/UICheckBoxTest_Editor.cpp tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UISliderTest/UISliderTest_Editor.cpp tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UITextFieldTest/UITextFieldTest.cpp tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UITextFieldTest/UITextFieldTest_Editor.cpp commit 1978d2d174877172ccddc083020a1bbf43ad3b39 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 08:51:45 2014 -0700 rename vector2 in tests/cpp-empty-test folder commit d4e0ff13dcce62724d2fece656543f26aa28e467 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:58:23 2014 -0700 rename vector2 in tests/cpp-tests cpp files commit be50ca2ec75e0fd32a6fcdaa15fe1ebb4cafe79f Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:52:57 2014 -0700 rename vector2 in tests/cpp-tests head files commit 6daef564400d4e28c4ce20859a68e0f583fed125 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:49:48 2014 -0700 rename vector2 in extension folder commit 8f3f0f65ceea92c9e7a0d87ab54e62220c5572e2 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:47:22 2014 -0700 rename vector2 in cocos/2d cpp files commit e1f3105aae06d595661a3030f519f7cc13aefbed Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:44:39 2014 -0700 rename vector2 in cocos/2d head files commit 6708d890bfe486109120c3cd4b9fe5c078b7108f Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:40:59 2014 -0700 rename vector2 in cocos/base folder commit d3978fa5447c31ea2f3ece5469b7e746dfba4248 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:40:43 2014 -0700 rename vector2 in cocos/deprecated folder commit 4bff45139363d6b9706edbbcf9f322d48b4fd019 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:40:26 2014 -0700 rename vector2 in cocos/editor-support folder commit 353d244c995f8b5d14f635c52aed8bc5e5fc1a6f Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:36:48 2014 -0700 rename vector2 in cocos/ui folder commit 758b8f4d513084b9922d7242e9b8f2c7f316de6c Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:32:39 2014 -0700 rename vector2 in cocos/renderer folder commit 0bd2710dd8714cecb993880bc37affd9ecb05c27 Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:32:15 2014 -0700 rename vector2 in cocos/physics folder commit b7f0581c4587348bdbc1478d5374c2325735f21d Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:25:01 2014 -0700 rename vector2 in cocos/math folder commit a8631a8e1a4e2740807ccd9be9d70de6ecaad7dd Author: Huabing.Xu <dabingnn@gmail.com> Date: Wed May 14 00:16:55 2014 -0700 rename Vector2 to Vec2 deprecate typedef Vector2
2014-05-15 01:07:09 +08:00
void ParticleSystemQuad::updateQuadWithParticle(tParticle* particle, const Vec2& 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]);
2013-11-19 11:17:02 +08:00
// Option 1: Sub Data
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(_quads[0])*_totalParticles, _quads);
2012-11-14 18:05:15 +08:00
2013-11-19 11:17:02 +08:00
// 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);
2013-11-19 11:17:02 +08:00
// 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);
2012-11-14 18:05:15 +08:00
2013-11-19 11:17:02 +08:00
CHECK_GL_ERROR_DEBUG();
}
// overriding draw method
void ParticleSystemQuad::draw(Renderer *renderer, const Mat4 &transform, uint32_t flags)
2013-12-03 04:13:05 +08:00
{
CCASSERT( _particleIdx == 0 || _particleIdx == _particleCount, "Abnormal error in particle quad");
//quad command
if(_particleIdx > 0)
{
_quadCommand.init(_globalZOrder, _texture->getName(), getGLProgramState(), _blendFunc, _quads, _particleIdx, transform);
renderer->addCommand(&_quadCommand);
}
2013-12-03 04:13:05 +08:00
}
2013-09-08 11:26:38 +08:00
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)
{
2013-09-08 11:26:38 +08:00
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;
}
// fixed issue #5762
// reset the emission rate
setEmissionRate(_totalParticles / _life);
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
2014-05-09 03:34:26 +08:00
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);
2012-11-14 18:05:15 +08:00
// 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::listenRendererRecreated(EventCustom* event)
{
2015-01-05 17:53:31 +08:00
memset(_buffersVBO, 0, sizeof(_buffersVBO));
if (Configuration::getInstance()->supportsShareableVAO())
{
setupVBOandVAO();
}
else
{
setupVBO();
}
}
bool ParticleSystemQuad::allocMemory()
{
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 (std::nothrow) 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);
}
2012-04-18 18:43:45 +08:00
NS_CC_END