worldmat cache in bone

cocos/3d/CCBundle3D.cpp

@@ -51,6 +51,45 @@ bool Bundle3D::load(const std::string& path)
     return true;
 }
 
+/**
+ * load mesh data from bundle
+ * @param id The ID of the mesh, load the first Mesh in the bundle if it is empty
+ */
+bool Bundle3D::loadMeshData(const std::string& id, MeshData* meshdata)
+{
+    //meshdata->vertex;
+    return true;
+}
+
+//
+/**
+ * load skin data from bundle
+ * @param id The ID of the skin, load the first Skin in the bundle if it is empty
+ */
+bool Bundle3D::loadSkinData(const std::string& id, SkinData* skindata)
+{
+    return true;
+}
+
+//
+/**
+ * load material data from bundle
+ * @param id The ID of the material, load the first Material in the bundle if it is empty
+ */
+bool Bundle3D::loadMaterialData(const std::string& id, MaterialData* materialdata)
+{
+    return true;
+}
+
+/**
+ * load material data from bundle
+ * @param id The ID of the animation, load the first animation in the bundle if it is empty
+ */
+bool Bundle3D::loadAnimationData(const std::string& id, Animation3DData* animationdata)
+{
+    return true;
+}
+
 Bundle3D::Bundle3D()
 {
     

cocos/3d/CCMeshSkin.cpp

@@ -45,6 +45,18 @@ const Mat4& Bone::getInverseBindPose()
     return _bindPose;
 }
 
+bool Bone::needUpdateWorldMat() const
+{
+    bool needupdate = _worldDirty;
+    auto bone = _parent;
+    while (!needupdate && bone) {
+        needupdate = bone->_worldDirty;
+        bone = bone->_parent;
+    }
+    
+    return needupdate;
+}
+
 //update own world matrix and children's
 void Bone::updateWorldMat()
 {
@@ -56,11 +68,17 @@ void Bone::updateWorldMat()
 
 const Mat4& Bone::getWorldMat()
 {
-    if (_parent)
+    if (needUpdateWorldMat())
     {
-        updateLocalMat();
-        _world = _parent->getWorldMat() * _local;
+        if (_parent)
+        {
+            updateLocalMat();
+            _world = _parent->getWorldMat() * _local;
+        }
+        else
+            _world = _local;
     }
+    
     return _world;
 }
 
@@ -165,6 +183,7 @@ Bone::Bone(const std::string& id)
 : _name(id)
 , _parent(nullptr)
 , _dirtyFlag(0)
+, _worldDirty(true)
 {
     
 }

cocos/3d/CCMeshSkin.h

@@ -50,6 +50,8 @@ public:
      */
     const Mat4& getInverseBindPose();
     
+    bool needUpdateWorldMat() const;
+    
     //update own world matrix and children's
     void updateWorldMat();
     
@@ -138,6 +140,7 @@ protected:
     Vector<Bone*> _children;
     
     int           _dirtyFlag;
+    bool          _worldDirty;
     Mat4          _world;
     Mat4          _local;
     Vec3          _localTranslate;

cocos/3d/CCSprite3D.cpp

@@ -141,10 +141,25 @@ bool Sprite3D::loadFromC3x(const std::string& path)
 {
     //load from .c3b or .c3t
     std::string fullPath = FileUtils::getInstance()->fullPathForFilename(path);
-    if (!Bundle3D::getInstance()->load(fullPath))
+    auto bundle = Bundle3D::getInstance();
+    if (!bundle->load(fullPath))
         return false;
     
-    //Bundle3D::getInstance()->loadMeshData(<#const std::string &id#>, <#cocos2d::Bundle3D::MeshData *meshdata#>)
+    Bundle3D::MeshData meshdata;
+    bool ret = bundle->loadMeshData("", &meshdata);
+    if (!ret)
+    {
+        return false;
+    }
+    
+    _mesh = Mesh::create(meshdata.vertex, meshdata.vertexSizeInFloat, meshdata.indices, meshdata.numIndex, meshdata.attribs, meshdata.attribCount);
+    _mesh->retain();
+    
+    Bundle3D::SkinData skindata;
+    ret = bundle->loadSkinData("", &skindata);
+    
+    Bundle3D::MaterialData materialdata;
+    ret = bundle->loadMaterialData("", &materialdata);
     
     return true;
 }