目前我的cocos2d-x编辑器的动画部分接口采用的是spriter动画编辑器提供的接口,spriter动画编辑器虽然简陋,但一般的需求基本上能够满足。可以在http://www.brashmonkey.com/spriter.htm下载,另外cocos2d-x的接口可以在论坛http://www.brashmonkey.com/foru
目前我的cocos2d-x编辑器的动画部分接口采用的是spriter动画编辑器提供的接口,spriter动画编辑器虽然简陋,但一般的需求基本上能够满足。可以在http://www.brashmonkey.com/spriter.htm下载,另外cocos2d-x的接口可以在论坛http://www.brashmonkey.com/forum/viewtopic.php?f=3&t=870下载。
接口导入进来之后,一切都很正常,然而在采用该接口进行开发时,发现有几个比较严重的问题。
问题1:资源采用多文件夹形式存储,渲染效率低
问题2:一个png只能有一个ccsprite,在编辑器是正常的,然而采用论坛那个接口导入到cocos2d-x就有问题。
问题3:精灵不能flip
问题4:不支持scale变换
陆续修改了上述4个问题
资源采用Sprite Frame实现
png的bug线性实现,时间复杂度O(1)
flip的实现参考cocos2d-x源码中CCTransitionFlipX的实现——摄像头换位
scale参考angle的变换就OK了
代码如下:
(代码中掺杂了编辑器部分的代码,精力有限,本代码仅供参考)
头文件:
//------------------------------------------------------------------------ // // SCMLAnimator : KickStarter project Spriter renderer for cocos2d-x. // // Spriter website : http://www.kickstarter.com/projects/539087245/spriter // // Licensed under the BSD license, see LICENSE in root for details. // // Copyright (c) 2012 James Hui (a.k.a. Dr.Watson) // // For latest updates, please visit http://jameshui.com // //------------------------------------------------------------------------ #ifndef _CC_SPRITER_X_H_ #define _CC_SPRITER_X_H_ #include <vector> #include <string> #include "JEvent.h" #include "cocos2d.h" #include "TouchSprite.h" #include "tinyxml.h" class CCSpriterX; #define FILE_SPRITE_SIZE 128 namespace SCMLHelper { struct File { File(); ~File(); void Init(TiXmlNode *node); int id; std::string name; float width; float height; //一个文件可能有多个关联 cocos2d::CCSprite* sprites[FILE_SPRITE_SIZE]; }; class Folder { public: Folder(); ~Folder(); void Init(TiXmlNode *node); int GetFileCount(); File *GetFile(int index); private: int mId; std::string mName; std::vector <file> mFiles; }; struct ObjectRef { void Init(TiXmlNode *node); int id; int timeline; int key; int z_index; }; struct Object { void Init(TiXmlNode *node, CCSpriterX *animator, int timelineId); int folder; int file; float x; float y; float angle; float scaleX; float scaleY; float pivot_x; float pivot_y; int z_index; cocos2d::CCSprite *sprite; }; class Key { public: Key(); ~Key(); void Init(TiXmlNode *node, CCSpriterX *animator, int timelineId); int GetObjectRefCount(); ObjectRef *GetObjectRef(int index); int GetObjectCount(); Object *GetObject(int index); float GetTime(); bool IsSpinCounterClockwise(); private: int mId; float mTime; bool mSpinCounterClockwise; std::vector <object> mObjects; std::vector <objectref> mObjectRefs; // will have bones later }; class Timeline { public: Timeline(); ~Timeline(); void Init(TiXmlNode *node, CCSpriterX *animator); int GetKeyframeCount(); Key *GetKeyframe(int index); private: int mId; std::vector <key> mKeyframes; }; class Animation { public: CC_SYNTHESIZE(JEvent *, event, Event); CC_SYNTHESIZE(std::string, afterAction, AfterAction); CCSpriterX * spr; public: void Restart(); Animation(CCSpriterX * spr); ~Animation(); void Update(float dt); void Init(TiXmlNode *node, CCSpriterX *animator); void Render(); bool IsDone(); public: std::string getName(){return mName;} private: int mId; std::string mName; float mLength; bool mLooping; bool mDone; Timeline *mMainline; int mCurrKeyframe; std::vector <timeline> mTimelines; float mTimer; cocos2d::CCPoint mPosition; }; class Entity { private: CCSpriterX * spr; public: Entity(CCSpriterX * spr); ~Entity(); void StartWithEvent(const char * name, JEvent * event); std::string CurrentAction(); void Update(float dt); void Render(); void Start(const char * name,const char* _afterAction); void SetId(int id); void SetName(const char *name); void AddAnimation(Animation *animation); void NextAnimation(); private: int mId; std::string mName; std::vector <animation> mAnimations; int mCurrAnimation; }; } class CCSpriterX : public TouchSprite { private: struct Pit{ int fileId; int id; int folderId; }; Pit fileSprites[FILE_SPRITE_SIZE]; CC_SYNTHESIZE(ccColor3B, colorX, ColorX); public: CCSpriterX(); ~CCSpriterX(); virtual void setFlipX(bool bFlipX); bool initWithFile(const char *filename); std::string CurrentAction(); virtual void draw(void); virtual void update(float dt); static CCSpriterX * create(const char *filename); cocos2d::CCSprite * getSprite(int folderId, int fileId, int timelineId); void PlayNext(); void PlayWithEvent(const char * name, JEvent * event); void Play(const char* name,const char* _afterAction = 0); private: std::vector <:folder> mFolders; std::vector <:entity> mEntities; int mCurrEntity; }; #endif </:entity></:folder></animation></timeline></key></objectref></object></file></string></vector>
源文件:
//------------------------------------------------------------------------ // // CCSpriterX : KickStarter project Spriter renderer for cocos2d-x. // // Spriter website : http://www.kickstarter.com/projects/539087245/spriter // // Licensed under the BSD license, see LICENSE in root for details. // // Copyright (c) 2012 James Hui (a.k.a. Dr.Watson) // // For latest updates, please visit http://jameshui.com // //------------------------------------------------------------------------ #include "CCSpriterX.h" #include "Common.h" #include "jerror.h" USING_NS_CC; namespace SCMLHelper { /////////////////////////////////////////////////////////////////////////////////// File::File() { for(size_t i=0; i<file_sprite_size sprites file:: for i="0;" if null>release(); } } } void File::Init(TiXmlNode *node) { TiXmlElement *element = node->ToElement(); if (element) { int intValue; float floatValue; if (element->QueryIntAttribute("id", &intValue) == TIXML_SUCCESS) id = intValue; else id = 0; name = element->Attribute("name"); if (element->QueryFloatAttribute("width", &floatValue) == TIXML_SUCCESS) width = floatValue; else width = 0; if (element->QueryFloatAttribute("height", &floatValue) == TIXML_SUCCESS) height = floatValue; else height = 0; if (name.size()>0) { //资源全部放到scml目录中! std::string path = workPath+gConfig->read<:string>("res")+"/"; //sprite = CCSprite::create((path+"scml/"+name).c_str()); sprites[0] = CCSprite::createWithSpriteFrameName(name.c_str()); sprites[0]->retain(); } } } /////////////////////////////////////////////////////////////////////////////////// Folder::Folder() : mId(0) { mFiles.reserve(50); } Folder::~Folder() { int count = mFiles.size(); for (int i=0;i<count cc_safe_delete mfiles.clear int folder::getfilecount return mfiles.size file index if mfiles null void folder::init tixmlelement node->ToElement(); if (element) { int intValue; if (element->QueryIntAttribute("id", &intValue) == TIXML_SUCCESS) mId= intValue; mName = element->Attribute("name")==0?".":element->Attribute("name"); for (TiXmlNode* fileNode = node->FirstChild(); fileNode; fileNode = fileNode->NextSibling()) { File *file = new File(); file->Init(fileNode); mFiles.push_back(file); } } } /////////////////////////////////////////////////////////////////////////////////// void ObjectRef::Init(TiXmlNode *node) { TiXmlElement *element = node->ToElement(); if (element) { int intValue; if (element->QueryIntAttribute("id", &intValue) == TIXML_SUCCESS) id = intValue; else id = 0; if (element->QueryIntAttribute("timeline", &intValue) == TIXML_SUCCESS) timeline = intValue; else timeline = 0; if (element->QueryIntAttribute("key", &intValue) == TIXML_SUCCESS) key = intValue; else key = 0; if (element->QueryIntAttribute("z_index", &intValue) == TIXML_SUCCESS) z_index = intValue; else z_index = 0; } } /////////////////////////////////////////////////////////////////////////////////// void Object::Init(TiXmlNode *node, CCSpriterX *animator, int timelineId) { sprite = NULL; float scaleFactor = CCDirector::sharedDirector()->getContentScaleFactor(); TiXmlElement *element = node->ToElement(); if (element) { int intValue; float floatValue; if (element->QueryIntAttribute("folder", &intValue) == TIXML_SUCCESS) folder = intValue; else folder = 0; if (element->QueryIntAttribute("file", &intValue) == TIXML_SUCCESS) file = intValue; else file = 0; if (element->QueryFloatAttribute("x", &floatValue) == TIXML_SUCCESS) x = floatValue/scaleFactor; else x = 0; if (element->QueryFloatAttribute("y", &floatValue) == TIXML_SUCCESS) y = floatValue/scaleFactor; else y = 0; if (element->QueryFloatAttribute("angle", &floatValue) == TIXML_SUCCESS) angle = floatValue; else angle = 0; if (element->QueryFloatAttribute("scale_x", &floatValue) == TIXML_SUCCESS) scaleX = floatValue; else scaleX = 1; if(scaleX QueryFloatAttribute("scale_y", &floatValue) == TIXML_SUCCESS) scaleY = floatValue; else scaleY = 1; if (element->QueryFloatAttribute("pivot_x", &floatValue) == TIXML_SUCCESS) pivot_x = floatValue; else pivot_x = 0; if (element->QueryFloatAttribute("pivot_y", &floatValue) == TIXML_SUCCESS) pivot_y = floatValue; else pivot_y = 1; if (element->QueryIntAttribute("z_index", &intValue) == TIXML_SUCCESS) z_index = intValue; else z_index = 0; sprite = animator->getSprite(folder, file, timelineId); } } /////////////////////////////////////////////////////////////////////////////////// Key::Key() : mId(0) , mTime(0) , mSpinCounterClockwise(true) { mObjects.reserve(50); mObjectRefs.reserve(50); } Key::~Key() { int count = mObjects.size(); for (int i=0;i<count cc_safe_delete mobjects.clear count="mObjectRefs.size();" for i="0;i<count;i++)" mobjectrefs.clear int key::getobjectrefcount return mobjectrefs.size objectref index if mobjectrefs null key::getobjectcount mobjects.size object mobjects float key::gettime mtime bool key::isspincounterclockwise mspincounterclockwise void key::init ccspriterx timelineid tixmlelement node->ToElement(); if (element) { int intValue; float floatValue; if (element->QueryIntAttribute("id", &intValue) == TIXML_SUCCESS) mId = intValue; float time = 0; if (element->QueryFloatAttribute("time", &floatValue) == TIXML_SUCCESS) // was in milliseconds, convert to seconds instead time = floatValue/1000.0f; mTime = time; if (element->QueryIntAttribute("spin", &intValue) == TIXML_SUCCESS) mSpinCounterClockwise = !(intValue == -1); for (TiXmlNode* objNode = node->FirstChild(); objNode; objNode = objNode->NextSibling()) { element = objNode->ToElement(); const char *tabObj = element->Value(); if (strcmp(tabObj, "object_ref")==0) { ObjectRef *ref = new ObjectRef(); ref->Init(objNode); mObjectRefs.push_back(ref); } else if (strcmp(tabObj, "object")==0) { Object *obj = new Object(); obj->Init(objNode, animator, timelineId); mObjects.push_back(obj); } } } } /////////////////////////////////////////////////////////////////////////////////// Timeline::Timeline() : mId(0) { mKeyframes.reserve(50); } Timeline::~Timeline() { int count = mKeyframes.size(); for (int i=0;i<count cc_safe_delete int timeline::getkeyframecount return mkeyframes.size key index if mkeyframes null void timeline::init ccspriterx intvalue tixmlelement node->ToElement(); if (element) { if (element->QueryIntAttribute("id", &intValue) == TIXML_SUCCESS) mId = intValue; for (TiXmlNode* keyNode = node->FirstChild(); keyNode; keyNode = keyNode->NextSibling()) { element = keyNode->ToElement(); if (element) { Key *keyframe = new Key(); keyframe->Init(keyNode, animator, mId); mKeyframes.push_back(keyframe); } } } } /////////////////////////////////////////////////////////////////////////////////// Animation::Animation(CCSpriterX * _spr) : mId(0) , spr(_spr) , mCurrKeyframe(0) , mMainline(NULL) , mDone(false) , mTimer(0) ,event(0),afterAction("") { mTimelines.reserve(50); } Animation::~Animation() { int count = mTimelines.size(); for (int i=0;i<count cc_safe_delete mtimelines.clear void animation::init ccspriterx int intvalue float floatvalue tixmlelement node->ToElement(); if (element) { if (element->QueryIntAttribute("id", &intValue) == TIXML_SUCCESS) mId = intValue; mName = element->Attribute("name"); if (element->QueryFloatAttribute("length", &floatValue) == TIXML_SUCCESS) mLength = floatValue/1000.0f; // was in milliseconds, convert to seconds instead const char *looping = element->Attribute("looping"); // was set to "false" in alpha, but in fact looping all the time mLooping = true; for (TiXmlNode* lineNode = node->FirstChild(); lineNode; lineNode = lineNode->NextSibling()) { element = lineNode->ToElement(); const char *tabLine = element->Value(); if (strcmp(tabLine, "mainline")==0) // 1 mainline only { mMainline = new Timeline(); mMainline->Init(lineNode, animator); } else if (strcmp(tabLine, "timeline")==0) { Timeline *timeline = new Timeline(); timeline->Init(lineNode, animator); mTimelines.push_back(timeline); } } } } bool Animation::IsDone() { return mDone; } void Animation::Restart() { mDone = false; mTimer = 0; mCurrKeyframe = 0; } float lerp(float a, float b, float t){ return a+(b-a)*t; } void Animation::Update(float dt) { mTimer += dt; if (mTimer >= mLength) { mDone = true; Restart(); // always looping for now } int count = mMainline->GetKeyframeCount(); Key *keyframe = mMainline->GetKeyframe(mCurrKeyframe); float currTime = keyframe->GetTime(); Key *keyframeNext = NULL; int next = mCurrKeyframe+1; if (next > count-1) // looping next = 0; keyframeNext = mMainline->GetKeyframe(next); if (keyframeNext) { float nextTime = keyframeNext->GetTime(); if (next == 0) nextTime = mLength; if (mTimer >= nextTime) { mCurrKeyframe = next; keyframe = keyframeNext; currTime = keyframe->GetTime(); next = mCurrKeyframe+1; if (next > count-1) // looping next = 0; keyframeNext = mMainline->GetKeyframe(next); if (keyframeNext == NULL) return; nextTime = keyframeNext->GetTime(); if (next == 0) nextTime = mLength; } float t = (mTimer-currTime)/(nextTime-currTime); int count = keyframe->GetObjectRefCount(); for (int i=0;i<count objectref keyframe->GetObjectRef(i); ObjectRef *refNext = keyframeNext->GetObjectRef(i); if (ref && refNext) { Key *keyRef = mTimelines[ref->timeline]->GetKeyframe(ref->key); Object *obj = keyRef->GetObject(0); // should be only 1 object Key *keyRefNext = mTimelines[refNext->timeline]->GetKeyframe(refNext->key); Object *objNext = keyRefNext->GetObject(0); float x = lerp(obj->x, objNext->x, t); float y = lerp(obj->y, objNext->y, t); float scaleX = lerp(obj->scaleX, objNext->scaleX, t); float scaleY = lerp(obj->scaleY, objNext->scaleY, t); float angle = objNext->angle-obj->angle; if (keyRef->IsSpinCounterClockwise()) { if (angle angle+360)-obj->angle; } else { if (angle > 0) { angle = (objNext->angle-360)-obj->angle; } } if (ref->timeline != refNext->timeline) t = 0; angle = obj->angle+(angle)*t; if (angle >= 360) angle -= 360; float px = obj->pivot_x+(objNext->pivot_x-obj->pivot_x)*t; float py = obj->pivot_y+(objNext->pivot_y-obj->pivot_y)*t; CCPoint newPos = ccp(x, y); obj->sprite->setPosition(newPos); obj->sprite->setRotation(-angle); obj->sprite->setScaleX(scaleX); obj->sprite->setScaleY(scaleY); obj->sprite->setAnchorPoint(ccp(px, py)); } } } } void Animation::Render() { Key *keyframe = mMainline->GetKeyframe(mCurrKeyframe); int count = keyframe->GetObjectRefCount(); for (int i=0;i<count objectref keyframe->GetObjectRef(i); if (ref) { Key *keyRef = mTimelines[ref->timeline]->GetKeyframe(ref->key); Object *obj = keyRef->GetObject(0); // should be only 1 object obj->sprite->setColor(spr->getColorX()); obj->sprite->visit(); } } } /////////////////////////////////////////////////////////////////////////////////// Entity::Entity(CCSpriterX * _spr) : mCurrAnimation(0) , mId(0) , spr(_spr) { mAnimations.reserve(50); }; Entity::~Entity() { int count = mAnimations.size(); for (int i=0;i<count cc_safe_delete manimations.clear void entity::update dt animation manimations animation->Update(dt); } std::string Entity::CurrentAction() { return mAnimations[mCurrAnimation]->getName(); } void Entity::StartWithEvent(const char * name, JEvent * event) { for(size_t i=0; i<manimations.size if>getName() == std::string(name)){ mCurrAnimation = i; mAnimations[i]->setEvent(event); mAnimations[i]->Restart(); } } } void Entity::Start(const char * name, const char * _afterAction) { for(size_t i=0; i<manimations.size if>getName() == std::string(name)){ mCurrAnimation = i; mAnimations[i]->setAfterAction(_afterAction); mAnimations[i]->Restart(); } } } void Entity::Render() { Animation *animation = mAnimations[mCurrAnimation]; animation->Render(); } void Entity::NextAnimation() { mCurrAnimation++; if (mCurrAnimation >= (int)mAnimations.size()) mCurrAnimation = 0; Animation *animation = mAnimations[mCurrAnimation]; animation->Restart(); } void Entity::SetId(int id) { mId = id; } void Entity::SetName(const char *name) { mName = name; } void Entity::AddAnimation(Animation *animation) { mAnimations.push_back(animation); } } /////////////////////////////////////////////////////////////////////////////////// using namespace SCMLHelper; CCSpriterX::CCSpriterX() { mFolders.reserve(50); mEntities.reserve(50); for(int i=0; i<file_sprite_size filesprites ccspriterx:: ccspriterx char new animator->type = SCML; animator->m_state = kLivingStateUngrabbed; if (animator && animator->initWithFile(filename)) { //由于是动画层,没有大小,这里设置大小,使之能够拾取 animator->setContentSize(CCSizeMake(100, 100)); animator->autorelease(); return animator; } CC_SAFE_DELETE(animator); return NULL; } void CCSpriterX::update(float dt) { if (dt > 0.0167f) dt = 0.0167f; Entity *entity = mEntities[mCurrEntity]; entity->Update(dt); } void CCSpriterX::draw(void) { Entity *entity = mEntities[mCurrEntity]; entity->Render(); } std::string CCSpriterX::CurrentAction() { Entity *entity = mEntities[mCurrEntity]; return entity->CurrentAction(); } void CCSpriterX::PlayWithEvent(const char * name, JEvent * event) { Entity *entity = mEntities[mCurrEntity]; entity->StartWithEvent(name, event); } void CCSpriterX::Play(const char* name, const char * _afterAction) { Entity *entity = mEntities[mCurrEntity]; entity->Start(name, _afterAction == 0?"":_afterAction); } void CCSpriterX::PlayNext() { Entity *entity = mEntities[mCurrEntity]; entity->NextAnimation(); } CCSprite *CCSpriterX::getSprite(int folderId, int fileId, int timelineId) { if (folderId GetFile(fileId); if (file){ int id = this->fileSprites[timelineId].id; if(id == -1){ for(int i=0; i<file_sprite_size if fileid filesprites folderid id>sprites[id] == 0){ file->sprites[id] = CCSprite::createWithSpriteFrameName(file->name.c_str()); file->sprites[id]->retain(); } return file->sprites[id]; } } } return NULL; } void CCSpriterX::setFlipX(bool bFlipX) { if(bFlipX != m_bFlipX){ float ex,ey,ez; this->getCamera()->getEyeXYZ(&ex, &ey, &ez); this->getCamera()->setEyeXYZ(ex, ey, bFlipX?-fabs(ez):fabs(ez)); this->m_bFlipX = bFlipX; } } bool CCSpriterX::initWithFile(const char *filename) { char cfilename[256]; strcpy(cfilename, filename); string name = strtok(cfilename, "."); string suffix = strtok(cfilename, "."); mCurrEntity = 0; unsigned long filesize; string path = workPath+gConfig->read<string>("res")+"/"+filename; char *buffer = (char *)CCFileUtils::sharedFileUtils()->getFileData(path.c_str(), "rb", &filesize); if (buffer == NULL) return false; //加载大图 string sfplist = workPath+gConfig->read<string>("res")+"/scml/"+name+".plist"; string sfpng = workPath+gConfig->read<string>("res")+"/scml/"+name+".png"; CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile(sfplist.c_str(), sfpng.c_str()); TiXmlDocument doc; doc.Parse(buffer); TiXmlNode *root = doc.FirstChild("spriter_data"); if (root) { TiXmlElement *element = root->ToElement(); const char *version = element->Attribute("scml_version"); const char *generator = element->Attribute("generator"); const char *generatorVersion = element->Attribute("generator_version"); for (TiXmlNode* entityNode = root->FirstChild(); entityNode; entityNode = entityNode->NextSibling()) { element = entityNode->ToElement(); if (element) { const char *tab = element->Value(); if (strcmp(tab, "folder")==0) { Folder *folder = new Folder(); folder->Init(entityNode); mFolders.push_back(folder); } else if (strcmp(tab, "entity")==0) { int intValue; Entity *entity = new Entity(this); if (element->QueryIntAttribute("id", &intValue) == TIXML_SUCCESS) entity->SetId(intValue); entity->SetName(element->Attribute("name")); for (TiXmlNode* animationNode = entityNode->FirstChild(); animationNode; animationNode = animationNode->NextSibling()) { Animation *animation = new Animation(this); animation->Init(animationNode, this); entity->AddAnimation(animation); } mEntities.push_back(entity); } } } } CC_SAFE_DELETE_ARRAY(buffer); this->scheduleUpdate(); return true; } </string></string></string></file_sprite_size></file_sprite_size></manimations.size></manimations.size></count></count></count></count></count></count></count></:string></file_sprite_size>

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Mekanisme kunci InnoDB termasuk kunci bersama, kunci eksklusif, kunci niat, kunci rekod, kunci jurang dan kunci utama seterusnya. 1. Kunci dikongsi membolehkan urus niaga membaca data tanpa menghalang urus niaga lain dari membaca. 2. Kunci eksklusif menghalang urus niaga lain daripada membaca dan mengubah suai data. 3. Niat Kunci mengoptimumkan kecekapan kunci. 4. Rekod Rekod Kunci Kunci Rekod. 5. Gap Lock Locks Index Rakaman Gap. 6. Kunci kunci seterusnya adalah gabungan kunci rekod dan kunci jurang untuk memastikan konsistensi data.


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