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Merge pull request #11613 from Wu-Hao/v3.6 

updated SpritePolygon
This commit is contained in:
minggo 2015-04-27 17:59:59 +08:00
parent 454ca26653 597d2289c0
commit 6b13505d1d
7 changed files with 76 additions and 64 deletions
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8
cocos/2d/MarchingSquare.cpp
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@ -343,4 +343,12 @@ void MarchingSquare::optimize(float level)
return;
epsilon = level;
points = rdp(points);
auto last = points.back();
if(last.y > points.front().y)
points.front().y = last.y;
points.pop_back();
//delete the last point, because its almost the same as the starting point
// CCLOG("%.1f, %.1f, %.1f, %.1f", points[0].x, points[0].y, points.back().x, points.back().y);
}

3
cocos/2d/MarchingSquare.h
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@ -49,7 +49,6 @@ public:
void printPoints();
//using Ramer–Douglas–Peucker algorithm
void optimize(float level = 0);
protected:
unsigned int findFirstNoneTransparentPixel();
void marchSquare(int startx, int starty);
@ -70,6 +69,8 @@ protected:
std::vector<cocos2d::Vec2> rdp(std::vector<cocos2d::Vec2> v);
float perpendicularDistance(cocos2d::Vec2 i, cocos2d::Vec2 start, cocos2d::Vec2 end);
float scaleFactor;
};
NS_CC_END

68
cocos/2d/SpritePolygon.cpp
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@ -222,19 +222,24 @@ TrianglesCommand::Triangles SpritePolygon::triangulate(std::vector<cocos2d::Vec2
delete cdt;
return TrianglesCommand::Triangles{&(*_verts)[0], &(*_indices)[0], (ssize_t)_verts->size(), (ssize_t)_indices->size()};
}
bool SpritePolygon::initWithCache(const std::string &file, const SpritePolygonInfo *info)
bool SpritePolygon::initWithCache(const std::string &file, SpritePolygonInfo *info)
{
CCASSERT(file.size()>0, "Invalid filename for sprite");
Texture2D *texture = Director::getInstance()->getTextureCache()->addImage(file);
if (texture)
CCASSERT(texture, "texture was not loaded properly");
_polygonInfo = info;
initWithTexture(texture);
if(_polygonInfo->_rect.equals(Rect::ZERO))
{
initWithTexture(texture);
setContentSize(Size(texture->getPixelsWide(), texture->getPixelsHigh())/Director::getInstance()->getContentScaleFactor());
}
else{
throw "some error";
else
{
setContentSize(_polygonInfo->_rect.size);
}
// _textureRect = info->_textureRect;
// _triangles = info->_triangles;
setAnchorPoint(Vec2(0.5,0.5));
return true;
}
bool SpritePolygon::initWithMarching(const std::string &file, const cocos2d::Rect &rect, float optimization)
@ -249,17 +254,17 @@ bool SpritePolygon::initWithMarching(const std::string &file, const cocos2d::Rec
auto marcher = new MarchingSquare(file);
marcher->trace();
marcher->optimize(optimization);
// marcher->test();
auto p = marcher->getPoints();
auto _triangles = triangulate(p);
auto triangles = triangulate(p);
delete marcher;
//save result to cache
SpritePolygonInfo info;
info._rect = rect;
info._triangles = _triangles;
_polygonInfo = SpritePolygonCache::getInstance()->addSpritePolygonCache(file, info);
_polygonInfo = SpritePolygonCache::getInstance()->addSpritePolygonCache(file, rect, triangles);
setAnchorPoint(Vec2(0.5,0.5));
calculateUVandContentSize();
// SpritePolygonCache::printInfo(*_polygonInfo);
#if CC_SPRITE_DEBUG_DRAW
debugDraw();
@ -270,15 +275,10 @@ bool SpritePolygon::initWithPoly2tri(const std::string &filename, std::vector<co
{
CCASSERT(filename.size()>0, "Invalid filename for sprite");
Texture2D *texture = Director::getInstance()->getTextureCache()->addImage(filename);
if (texture)
{
initWithTexture(texture);
}
else{
throw "some error";
}
SpritePolygonInfo info = SpritePolygonInfo{Rect, triangulate(verts)};
_polygonInfo = SpritePolygonCache::getInstance()->addSpritePolygonCache(filename, info);
CCASSERT(texture, "texture was not loaded properly");
initWithTexture(texture);
_polygonInfo = SpritePolygonCache::getInstance()->addSpritePolygonCache(filename, Rect, triangulate(verts));
setAnchorPoint(Vec2(0.5,0.5));
calculateUVandContentSize();
#if CC_SPRITE_DEBUG_DRAW
debugDraw();
@ -328,11 +328,12 @@ bool SpritePolygon::initWithVerts(const std::string& filename,std::vector<cocos2
initWithTexture(texture);
auto _textureRect = getTextRectFromTriangles(verts);
setContentSize(_textureRect.size);
setContentSize(_textureRect.size/Director::getInstance()->getContentScaleFactor());
setAnchorPoint(Vec2(0.5,0.5));
_transformDirty = true;
auto _triangles = TrianglesCommand::Triangles{&verts[0], &indices[0], (ssize_t)verts.size(), (ssize_t)indices.size()};
SpritePolygonInfo info = SpritePolygonInfo{_textureRect, _triangles};
_polygonInfo = SpritePolygonCache::getInstance()->addSpritePolygonCache(filename, info);
_polygonInfo = SpritePolygonCache::getInstance()->addSpritePolygonCache(filename, _textureRect, _triangles);
#if CC_SPRITE_DEBUG_DRAW
debugDraw();
#endif
@ -352,13 +353,12 @@ bool SpritePolygon::initWithRect(const std::string& filename, std::vector<cocos2
auto c4b = Color4B::WHITE;
auto t2f = Tex2F(0,0);
_verts.push_back(V3F_C4B_T2F{v3,c4b,t2f});
// _indices.push_back(idx);
}
auto _triangles = TrianglesCommand::Triangles{&_verts[0], &indices[0], (ssize_t)_verts.size(), (ssize_t)indices.size()};
SpritePolygonInfo info = SpritePolygonInfo{rect, _triangles};
_polygonInfo = SpritePolygonCache::getInstance()->addSpritePolygonCache(filename, info);
_polygonInfo = SpritePolygonCache::getInstance()->addSpritePolygonCache(filename, rect, _triangles);
calculateUVandContentSize();
setAnchorPoint(Vec2(0.5,0.5));
#if CC_SPRITE_DEBUG_DRAW
debugDraw();
#endif
@ -370,24 +370,14 @@ bool SpritePolygon::initWithTexture(Texture2D *texture)
Node::init();
//init the triangles command
setGLProgramState(GLProgramState::getOrCreateWithGLProgramName(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR_NO_MVP));
_blendFunc = BlendFunc::ALPHA_PREMULTIPLIED;
setTexture(texture);
// _textureRect = (rect.equals(Rect::ZERO))? Rect(0,0,texture->getPixelsWide(), texture->getPixelsHigh()) : rect;
setAnchorPoint(Vec2(0.5,0.5));
return true;
}
void SpritePolygon::setTexture(const std::string &filename)
{
Texture2D *texture = Director::getInstance()->getTextureCache()->addImage(filename);
setTexture(texture);
// Rect rect = Rect::ZERO;
// if (texture)
// rect.size = texture->getContentSize();
// setTextureRect(rect);
}
static unsigned char cc_2x2_white_image[] = {
// RGBA8888
@ -425,7 +415,6 @@ void SpritePolygon::setTexture(Texture2D *texture)
CC_SAFE_RETAIN(texture);
CC_SAFE_RELEASE(_texture);
_texture = texture;
// updateBlendFunc();
}
}
const float SpritePolygon::getArea(){
@ -454,6 +443,9 @@ void SpritePolygon::debugDraw()
_debugDrawNode = DrawNode::create();
addChild(_debugDrawNode);
}
else{
_debugDrawNode->clear();
}
//draw all points
auto positions = new (std::nothrow) Vec2[_polygonInfo->_triangles.vertCount];
Vec2 *pos = &positions[0];

7
cocos/2d/SpritePolygon.h
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@ -58,7 +58,7 @@ public:
//not recommended for production, its better to use the vec2 list for better performance
static SpritePolygon *create(const std::string&, const cocos2d::Rect& rect = cocos2d::Rect::ZERO, float optimization = -1);
bool initWithMarching(const std::string &file, const cocos2d::Rect &rect, float optimization);
bool initWithCache(const std::string &file, const SpritePolygonInfo *info);
bool initWithCache(const std::string &file, SpritePolygonInfo *info);
bool initWithTexture(cocos2d::Texture2D *texture);
@ -78,14 +78,9 @@ protected:
void calculateUVandContentSize();
bool _triangleDirty; //if triangle is dirty, then it needs to be recalculated from verts and indices
// std::vector<cocos2d::V3F_C4B_T2F> _verts;
// std::vector<unsigned short> _indices;
cocos2d::TrianglesCommand _tcmd;
cocos2d::BlendFunc _blendFunc;
// cocos2d::TrianglesCommand::Triangles _triangles;
cocos2d::Texture2D *_texture;
// cocos2d::Rect _textureRect;
SpritePolygonInfo *_polygonInfo;
virtual void draw(cocos2d::Renderer *renderer, const cocos2d::Mat4 &transform, uint32_t flags);

40
cocos/2d/SpritePolygonCache.cpp
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@ -73,7 +73,7 @@ void SpritePolygonCache::init()
}
SpritePolygonInfo* SpritePolygonCache::addSpritePolygonCache(const std::string& filePath, const SpritePolygonInfo& spritePolygonInfo)
SpritePolygonInfo* SpritePolygonCache::addSpritePolygonCache(const std::string& filePath, const cocos2d::Rect& rect, const cocos2d::TrianglesCommand::Triangles trianglesCommand)
{
auto fullpath = filePath;
@ -85,16 +85,23 @@ SpritePolygonInfo* SpritePolygonCache::addSpritePolygonCache(const std::string&
auto infoIt = vecInfo.begin();
for (; infoIt != vecInfo.end(); infoIt++)
{
if ((*infoIt)->_rect.equals(spritePolygonInfo._rect))
if ((*infoIt)->_rect.equals(rect))
{
(*infoIt)->_triangles = spritePolygonInfo._triangles;
// (*infoIt)->_textureRect = SpritePolygonInfo._textureRect;
return nullptr;
//Update
CC_SAFE_DELETE((*infoIt)->_triangles.verts);
CC_SAFE_DELETE((*infoIt)->_triangles.indices);
(*infoIt)->_triangles.verts = new V3F_C4B_T2F[trianglesCommand.vertCount];
(*infoIt)->_triangles.indices = new unsigned short[trianglesCommand.indexCount];
(*infoIt)->_triangles.vertCount = trianglesCommand.vertCount;
(*infoIt)->_triangles.indexCount = trianglesCommand.indexCount;
memcpy((*infoIt)->_triangles.verts, trianglesCommand.verts, trianglesCommand.vertCount*sizeof(V3F_C4B_T2F));
memcpy((*infoIt)->_triangles.indices, trianglesCommand.indices, trianglesCommand.indexCount*sizeof(unsigned short));
return *infoIt;
}
}
}
VecSpritePolygonInfo vecInfo ;
VecSpritePolygonInfo vecInfo;
vecInfo.clear();
if (it != _SpritePolygonCacheMap.end())
{
@ -103,16 +110,16 @@ SpritePolygonInfo* SpritePolygonCache::addSpritePolygonCache(const std::string&
SpritePolygonInfo* info = new SpritePolygonInfo;
if (nullptr != info)
{
info->_rect = spritePolygonInfo._rect;
info->_rect = rect;
info->_triangles.verts = new V3F_C4B_T2F[spritePolygonInfo._triangles.vertCount];
info->_triangles.indices = new unsigned short[spritePolygonInfo._triangles.indexCount];
info->_triangles.vertCount = spritePolygonInfo._triangles.vertCount;
info->_triangles.indexCount = spritePolygonInfo._triangles.indexCount;
info->_triangles.verts = new V3F_C4B_T2F[trianglesCommand.vertCount];
info->_triangles.indices = new unsigned short[trianglesCommand.indexCount];
info->_triangles.vertCount = trianglesCommand.vertCount;
info->_triangles.indexCount = trianglesCommand.indexCount;
memcpy(info->_triangles.verts, spritePolygonInfo._triangles.verts, spritePolygonInfo._triangles.vertCount*sizeof(V3F_C4B_T2F));
memcpy(info->_triangles.indices, spritePolygonInfo._triangles.indices, spritePolygonInfo._triangles.indexCount*sizeof(unsigned short));
// info->_textureRect = SpritePolygonInfo._textureRect;
memcpy(info->_triangles.verts, trianglesCommand.verts, trianglesCommand.vertCount*sizeof(V3F_C4B_T2F));
memcpy(info->_triangles.indices, trianglesCommand.indices, trianglesCommand.indexCount*sizeof(unsigned short));
vecInfo.push_back(info);
_SpritePolygonCacheMap[filePath] = vecInfo;
@ -156,6 +163,7 @@ void SpritePolygonCache::removeSpritePolygonCache(const std::string& filePath,
{
if((*infoIter)->_rect.equals(*rect))
{
CC_SAFE_DELETE(*infoIter);
it->second.erase(infoIter);
break;
}
@ -168,6 +176,10 @@ void SpritePolygonCache::removeAllSpritePolygonCache()
{
for (std::unordered_map<std::string, VecSpritePolygonInfo>::iterator it = _SpritePolygonCacheMap.begin(); it != _SpritePolygonCacheMap.end(); ++it)
{
for (auto infoIter = it->second.begin(); infoIter != it->second.end(); infoIter++)
{
CC_SAFE_DELETE(*infoIter);
}
it->second.clear();
}
_SpritePolygonCacheMap.clear();

6
cocos/2d/SpritePolygonCache.h
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@ -44,12 +44,12 @@ typedef struct CC_DLL _SpritePolygonInfo
{
if(nullptr != _triangles.verts)
{
CC_SAFE_DELETE(_triangles.verts);
CC_SAFE_DELETE_ARRAY(_triangles.verts);
}
if(nullptr != _triangles.indices)
{
CC_SAFE_DELETE(_triangles.indices);
CC_SAFE_DELETE_ARRAY(_triangles.indices);
}
}
} SpritePolygonInfo;
@ -63,7 +63,7 @@ public:
virtual ~SpritePolygonCache();
static SpritePolygonCache* getInstance();
static void destroyInstance();
SpritePolygonInfo* addSpritePolygonCache(const std::string& filePath, const SpritePolygonInfo& SpritePolygonInfo);
SpritePolygonInfo* addSpritePolygonCache(const std::string& filePath, const cocos2d::Rect& rect, const cocos2d::TrianglesCommand::Triangles trianglesCommand);
SpritePolygonInfo* getSpritePolygonCache(const std::string& filePath, const cocos2d::Rect& rect);
void removeSpritePolygonCache(const std::string& filePath, const cocos2d::Rect* rect = nullptr);
void removeAllSpritePolygonCache();

6
tests/cpp-tests/Classes/SpritePolygonTest/SpritePolygonTest.cpp
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@ -94,7 +94,11 @@ SpritePolygonTest1::SpritePolygonTest1()
SpritePolygonCache::getInstance()->removeAllSpritePolygonCache();
_title = "SpritePolygon Creation";
_subtitle = "SpritePolygon::create(\"Images/grossini.png\")";
auto s = experimental::SpritePolygon::create(s_pathGrossini);
cocos2d::experimental::SpritePolygon *s;
for(int i = 0; i < 10; i ++)
{
s= experimental::SpritePolygon::create(s_pathGrossini);
}
initDefaultSprite(s_pathGrossini, s);
}