Update physics::World

src/kiwano-physics/World.cpp

@@ -42,20 +42,29 @@ namespace kiwano
 
 		World::~World()
 		{
-			// Make sure destroyed b2World after b2Body
+			// Make sure b2World was destroyed after b2Body
 			RemoveAllChildren();
+			RemoveAllBodies();
+			RemoveAllJoints();
+		}
+
+		BodyPtr World::CreateBody(ActorPtr actor)
+		{
+			return CreateBody(actor.get());
 		}
 
 		BodyPtr World::CreateBody(Actor* actor)
 		{
 			BodyPtr body = new Body(this, actor);
 			body->UpdateFromActor();
+			bodies_.push_back(body.get());
 			return body;
 		}
 
 		JointPtr World::CreateJoint(b2JointDef* joint_def)
 		{
 			JointPtr joint = new Joint(this, joint_def);
+			joints_.push_back(joint.get());
 			return joint;
 		}
 
@@ -67,17 +76,27 @@ namespace kiwano
 				if (iter != bodies_.end())
 				{
 					bodies_.erase(iter);
-				}
 
-				if (body->GetB2Body())
-				{
-					world_.DestroyBody(body->GetB2Body());
+					if (body->GetB2Body())
+					{
+						world_.DestroyBody(body->GetB2Body());
+					}
 				}
 			}
 		}
 
 		void World::RemoveAllBodies()
 		{
+			if (world_.GetBodyCount())
+			{
+				b2Body* body = world_.GetBodyList();
+				while (body)
+				{
+					b2Body* next = body->GetNext();
+					world_.DestroyBody(body);
+					body = next;
+				}
+			}
 			bodies_.clear();
 		}
 
@@ -89,17 +108,27 @@ namespace kiwano
 				if (iter != joints_.end())
 				{
 					joints_.erase(iter);
-				}
 
-				if (joint->GetB2Joint())
-				{
-					world_.DestroyJoint(joint->GetB2Joint());
+					if (joint->GetB2Joint())
+					{
+						world_.DestroyJoint(joint->GetB2Joint());
+					}
 				}
 			}
 		}
 
 		void World::RemoveAllJoints()
 		{
+			if (world_.GetJointCount())
+			{
+				b2Joint* joint = world_.GetJointList();
+				while (joint)
+				{
+					b2Joint* next = joint->GetNext();
+					world_.DestroyJoint(joint);
+					joint = next;
+				}
+			}
 			joints_.clear();
 		}
 

src/kiwano-physics/World.h

@@ -30,6 +30,9 @@ namespace kiwano
 		class KGE_API World
 			: public Stage
 		{
+			friend class Body;
+			friend class Joint;
+
 		public:
 			World();
 
@@ -38,23 +41,12 @@ namespace kiwano
 			virtual ~World();
 
 			// 创建刚体
+			BodyPtr CreateBody(ActorPtr actor);
 			BodyPtr CreateBody(Actor* actor);
 
 			// 创建关节
 			JointPtr CreateJoint(b2JointDef* joint_def);
 
-			// 移除刚体
-			void RemoveBody(Body* body);
-
-			// 移除所有刚体
-			void RemoveAllBodies();
-
-			// 移除关节
-			void RemoveJoint(Joint* joint);
-
-			// 移除所有关节
-			void RemoveAllJoints();
-
 			// 获取重力
 			Vec2 GetGravity() const;
 
@@ -87,6 +79,19 @@ namespace kiwano
 			// 获取 Box2D 世界
 			const b2World* GetB2World() const;
 
+		protected:
+			// 移除刚体
+			void RemoveBody(Body* body);
+
+			// 移除所有刚体
+			void RemoveAllBodies();
+
+			// 移除关节
+			void RemoveJoint(Joint* joint);
+
+			// 移除所有关节
+			void RemoveAllJoints();
+
 		protected:
 			void Update(Duration dt) override;
 
@@ -95,8 +100,8 @@ namespace kiwano
 			int vel_iter_;
 			int pos_iter_;
 			float global_scale_;
-			Vector<BodyPtr> bodies_;
-			Vector<JointPtr> joints_;
+			Vector<Body*> bodies_;
+			Vector<Joint*> joints_;
 		};
 
 		KGE_DECLARE_SMART_PTR(World);

src/kiwano/2d/Actor.cpp

@@ -455,32 +455,43 @@ namespace kiwano
 		is_fast_transform_ = false;
 	}
 
-	void Actor::AddChild(ActorPtr child)
+	void Actor::AddChild(Actor* child, int zorder)
 	{
 		KGE_ASSERT(child && "Actor::AddChild failed, NULL pointer exception");
 
 		if (child)
 		{
+			KGE_ASSERT(!child->parent_ && "Actor::AddChild failed, the actor to be added already has a parent");
+
 #ifdef KGE_DEBUG
 
-			if (child->parent_)
-				KGE_ERROR_LOG(L"The actor to be added already has a parent");
-
 			for (Actor* parent = parent_; parent; parent = parent->parent_)
+			{
 				if (parent == child)
+				{
 					KGE_ERROR_LOG(L"A actor cannot be its own parent");
+					return;
+				}
+			}
 
 #endif // KGE_DEBUG
 
 			children_.push_back(child);
 			child->parent_ = this;
 			child->SetStage(this->stage_);
+
 			child->dirty_transform_ = true;
-			child->UpdateOpacity();
+			child->z_order_ = zorder;
 			child->Reorder();
+			child->UpdateOpacity();
 		}
 	}
 
+	void Actor::AddChild(ActorPtr child, int zorder)
+	{
+		AddChild(child.get());
+	}
+
 	void Actor::AddChildren(Vector<ActorPtr> const& children)
 	{
 		for (const auto& actor : children)
@@ -528,7 +539,7 @@ namespace kiwano
 		return nullptr;
 	}
 
-	Actor::Children const & Actor::GetChildren() const
+	Actor::Children const & Actor::GetAllChildren() const
 	{
 		return children_;
 	}

src/kiwano/2d/Actor.h

@@ -42,10 +42,10 @@ namespace kiwano
 		friend class Transition;
 		friend class intrusive_list<ActorPtr>;
 
-		using Children = intrusive_list<ActorPtr>;
-		using UpdateCallback = Function<void(Duration)>;
-
 	public:
+		using Children			= intrusive_list<ActorPtr>;
+		using UpdateCallback	= Function<void(Duration)>;
+
 		Actor();
 
 		// 更新角色
@@ -309,7 +309,14 @@ namespace kiwano
 
 		// 添加子角色
 		void AddChild(
-			ActorPtr child
+			ActorPtr child,
+			int zorder = 0
+		);
+
+		// 添加子角色
+		void AddChild(
+			Actor* child,
+			int zorder = 0
 		);
 
 		// 添加多个子角色
@@ -317,18 +324,18 @@ namespace kiwano
 			Vector<ActorPtr> const& children
 		);
 
-		// 获取所有名称相同的子角色
-		Vector<ActorPtr> GetChildren(
-			String const& name
-		) const;
-
 		// 获取名称相同的子角色
 		ActorPtr GetChild(
 			String const& name
 		) const;
 
+		// 获取所有名称相同的子角色
+		Vector<ActorPtr> GetChildren(
+			String const& name
+		) const;
+
 		// 获取全部子角色
-		Children const& GetChildren() const;
+		Children const& GetAllChildren() const;
 
 		// 移除子角色
 		void RemoveChild(

src/kiwano/core/intrusive_list.hpp

@@ -268,9 +268,9 @@ private:
 		inline iterator_impl	operator++(int)									{ iterator_impl old = (*this); ++(*this); return old; }
 		inline iterator_impl&	operator--()									{ KGE_ASSERT(base_); if (is_end_) is_end_ = false; else base_ = value_type(base_->prev_item()); return (*this); }
 		inline iterator_impl	operator--(int)									{ iterator_impl old = (*this); --(*this); return old; }
-		inline bool				operator==(iterator_impl const& other) const	{ return base_ == other.base_; }
+		inline bool				operator==(iterator_impl const& other) const	{ return base_ == other.base_ && is_end_ == other.is_end_; }
 		inline bool				operator!=(iterator_impl const& other) const	{ return !(*this == other); }
-		inline					operator bool() const							{ return base_ != nullptr; }
+		inline					operator bool() const							{ return base_ != nullptr && !is_end_; }
 
 	private:
 		bool is_end_;