Magic_Game/core/base/Node.h

// Copyright (c) 2016-2018 Easy2D - Nomango
// 
// 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.

#pragma once
#include "base.hpp"
#include "time.h"
#include "KeyEvent.h"
#include "MouseEvent.h"
#include "ActionManager.h"
#include "TaskManager.h"
#include "intrusive/List.hpp"
#include "../math/Transform.hpp"
#include "../math/Matrix.hpp"

namespace easy2d
{
    class Game;

	// <20>ڵ<EFBFBD>
	class Node
		: public RefCounter
		, public ActionManager
		, public TaskManager
		, protected intrusive::ListItem<spNode>
	{
		friend class Game;
		friend class Scene;
		friend class Transition;
		friend class intrusive::List<spNode>;

		E2D_DISABLE_COPY(Node);

		using Nodes = std::vector<spNode>;
		using Children = intrusive::List<spNode>;

	public:
		Node();

		virtual ~Node();

		// <20><>Ⱦ<EFBFBD>ڵ<EFBFBD>
		virtual void OnDraw() {}

		// <20><><EFBFBD>½ڵ<C2BD>
		virtual void OnUpdate(Duration const& dt) {}

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ʾ״̬
		bool IsVisible() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>
		const String& GetName() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>Ƶ<EFBFBD> Hash ֵ
		size_t GetHashName() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ͼ˳<CDBC><CBB3>
		int GetOrder() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>
		const Point& GetPosition() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>
		float GetWidth() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5>߶<EFBFBD>
		float GetHeight() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>
		float GetRealWidth() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5>߶ȣ<DFB6><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>
		float GetRealHeight() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>
		const Size& GetRealSize() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>֧<EFBFBD><D6A7>
		float GetPivotX() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>֧<EFBFBD><D6A7>
		float GetPivotY() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>С
		Size GetSize() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
		float GetScaleX() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
		float GetScaleY() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>нǶ<D0BD>
		float GetSkewX() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>нǶ<D0BD>
		float GetSkewY() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ת<EFBFBD>Ƕ<EFBFBD>
		float GetRotation() const;

		// <20><>ȡ<EFBFBD>ڵ<EFBFBD>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>
		float GetOpacity() const;

		// <20><>ȡ<EFBFBD><C8A1>ʾ͸<CABE><CDB8><EFBFBD><EFBFBD>
		float GetDisplayOpacity() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD>ڵ<EFBFBD>
		spNode GetParent() const;

		// <20><>ȡ<EFBFBD><C8A1>Χ<EFBFBD><CEA7>
		virtual Rect GetBounds();

		// <20><><EFBFBD>ýڵ<C3BD><DAB5>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ
		void SetVisible(
			bool val
		);

		// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
		void SetName(
			const String& name
		);

		// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		void SetPositionX(
			float x
		);

		// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		void SetPositionY(
			float y
		);

		// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
		void SetPosition(
			const Point & point
		);

		// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
		void SetPosition(
			float x,
			float y
		);

		// <20>ƶ<EFBFBD><C6B6>ڵ<EFBFBD>
		void MoveBy(
			float x,
			float y
		);

		// <20>ƶ<EFBFBD><C6B6>ڵ<EFBFBD>
		void MoveBy(
			const Point & vector
		);

		// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD>ͼ˳<CDBC><CBB3>
		// Ĭ<><C4AC>Ϊ 0
		void SetOrder(
			int order
		);

		// <20><><EFBFBD>ú<EFBFBD><C3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
		// Ĭ<><C4AC>Ϊ 1.0
		void SetScaleX(
			float scale_x
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
		// Ĭ<><C4AC>Ϊ 1.0
		void SetScaleY(
			float scale_y
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
		// Ĭ<><C4AC>Ϊ (1.0, 1.0)
		void SetScale(
			float scale_x,
			float scale_y
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
		// Ĭ<><C4AC>Ϊ 1.0
		void SetScale(
			float scale
		);

		// <20><><EFBFBD>ú<EFBFBD><C3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>нǶ<D0BD>
		// Ĭ<><C4AC>Ϊ 0
		void SetSkewX(
			float skew_x
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>нǶ<D0BD>
		// Ĭ<><C4AC>Ϊ 0
		void SetSkewY(
			float skew_y
		);

		// <20><><EFBFBD>ô<EFBFBD><C3B4>нǶ<D0BD>
		// Ĭ<><C4AC>Ϊ (0, 0)
		void SetSkew(
			float skew_x,
			float skew_y
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD>Ƕ<EFBFBD>
		// Ĭ<><C4AC>Ϊ 0
		void SetRotation(
			float rotation
		);

		// <20><><EFBFBD><EFBFBD>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>
		// Ĭ<><C4AC>Ϊ 1.0, <20><>Χ [0, 1]
		void SetOpacity(
			float opacity
		);

		// <20><><EFBFBD><EFBFBD>֧<EFBFBD><D6A7><EFBFBD>ĺ<EFBFBD><C4BA><EFBFBD>λ<EFBFBD><CEBB>
		// Ĭ<><C4AC>Ϊ 0, <20><>Χ [0, 1]
		void SetPivotX(
			float pivot_x
		);

		// <20><><EFBFBD><EFBFBD>֧<EFBFBD><D6A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
		// Ĭ<><C4AC>Ϊ 0, <20><>Χ [0, 1]
		void SetPivotY(
			float pivot_y
		);

		// <20><><EFBFBD><EFBFBD>֧<EFBFBD><D6A7>λ<EFBFBD><CEBB>
		// Ĭ<><C4AC>Ϊ (0, 0), <20><>Χ [0, 1]
		virtual void SetPivot(
			float pivot_x,
			float pivot_y
		);

		// <20>޸Ľڵ<C4BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
		virtual void SetWidth(
			float width
		);

		// <20>޸Ľڵ<C4BD><DAB5>߶<EFBFBD>
		void SetHeight(
			float height
		);

		// <20>޸Ľڵ<C4BD><DAB5><EFBFBD>С
		void SetSize(
			float width,
			float height
		);

		// <20>޸Ľڵ<C4BD><DAB5><EFBFBD>С
		void SetSize(
			const Size & size
		);

		// <20><><EFBFBD>û<EFBFBD><C3BB>ر<EFBFBD><D8B1><EFBFBD>Ⱦ<EFBFBD><C8BE><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD>
		void SetClipEnabled(
			bool enabled
		);

		// <20><><EFBFBD>ýڵ<C3BD><DAB5><EFBFBD>Ե<EFBFBD><D4B5>ɫ
		void SetBorderColor(
			const Color& color
		);

		math::Transform const& GetTransform() const;

		void SetTransform(
			math::Transform const& transform
		);

		// <20>жϵ<D0B6><CFB5>Ƿ<EFBFBD><C7B7>ڽڵ<DABD><DAB5><EFBFBD>
		bool ContainsPoint(
			const Point& point
		);

		// <20>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>ཻ
		bool Intersects(
			spNode const& node
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD>ӽڵ<D3BD>
		void AddChild(
			spNode const& child,
			int order = 0		/* <20><>Ⱦ˳<C8BE><CBB3> */
		);

		// <20><><EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD>ӽڵ<D3BD>
		void AddChild(
			const Nodes& nodes,	/* <20>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD> */
			int order = 0		/* <20><>Ⱦ˳<C8BE><CBB3> */
		);

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ӽڵ<D3BD>
		Nodes GetChildren(
			const String& name
		) const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ӽڵ<D3BD>
		spNode GetChild(
			const String& name
		) const;

		// <20><>ȡȫ<C8A1><C8AB><EFBFBD>ӽڵ<D3BD>
		Children const& GetChildren() const;

		// <20><>ȡ<EFBFBD>ӽڵ<D3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
		int GetChildrenCount() const;

		// <20>Ƴ<EFBFBD><C6B3>ӽڵ<D3BD>
		bool RemoveChild(
			spNode const& child
		);

		// <20>Ƴ<EFBFBD><C6B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ӽڵ<D3BD>
		void RemoveChildren(
			const String& child_name
		);

		// <20>Ƴ<EFBFBD><C6B3><EFBFBD><EFBFBD>нڵ<D0BD>
		void RemoveAllChildren();

		// <20>Ӹ<EFBFBD><D3B8>ڵ<EFBFBD><DAB5>Ƴ<EFBFBD>
		void RemoveFromParent();

		// <20><><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC>֧<EFBFBD><D6A7>
		static void SetDefaultPivot(
			float pivot_x,
			float pivot_y
		);

	protected:
		virtual void Visit();

		virtual bool Dispatch(
			const MouseEvent& e,
			bool handled
		);

		virtual bool Dispatch(
			const KeyEvent& e,
			bool handled
		);

	protected:
		virtual void Update(Duration const& dt);

		void UpdateTransform();

		void UpdateOpacity();

		void DrawBorder();

	protected:
		String				name_;
		size_t				hash_name_;
		float				display_opacity_;
		float				real_opacity_;
		int					order_;
		bool				visible_;
		bool				clip_enabled_;
		bool				dirty_sort_;
		bool				dirty_transform_;
		Node*				parent_;
		Color				border_color_;
		Children			children_;
		ID2D1Geometry*		border_;
		math::Transform		transform_;
		math::Matrix		initial_matrix_;
		math::Matrix		final_matrix_;
	};
}