Engine puzzle completed

2015-11-30 17:02:24 +01:00
parent 52278d7bc2
commit 872879c013
62 changed files with 5344 additions and 113 deletions
@@ -0,0 +1,261 @@
+#ifndef GUI_Frame_h__
+#define GUI_Frame_h__
+
+#include "../Common.h"
+#include "../Core/Util/Rectangle.h"
+#include "../Core/EventBroker.h"
+#include "../Core/EKeyDown.h"
+#include "../Core/EKeyUp.h"
+#include "../Core/ResourceManager.h"
+#include "../Rendering/RenderQueue.h"
+#include "../Rendering/Texture.h"
+#include "../Input/EInputCommand.h"
+
+namespace GUI
+{
+
+class Frame : public Rectangle
+{
+public:
+	enum class Anchor
+	{
+		Left,
+		Right,
+		Top,
+		Bottom
+	};
+
+	static const int BaseWidth = 1280;
+	static const int BaseHeight = 720;
+
+	// Set up a base frame with an event broker
+	Frame(EventBroker* eventBroker)
+		: m_EventBroker(eventBroker)
+		, BaseFrame(this)
+		, m_Name("UIParent")
+		, Rectangle() { }
+
+	// Create a frame as a child
+	Frame(Frame* parent, std::string name)
+		: m_Name(name)
+	{
+		SetParent(parent);
+		Width = parent->Width;
+		Height = parent->Height;
+		EVENT_SUBSCRIBE_MEMBER(m_EKeyDown, &Frame::OnKeyDown);
+		EVENT_SUBSCRIBE_MEMBER(m_EKeyUp, &Frame::OnKeyUp);
+		EVENT_SUBSCRIBE_MEMBER(m_EInputCommand, &Frame::OnCommand);
+	}
+
+	~Frame()
+	{
+		/*for (auto layer : m_Children)
+		{
+			for (auto child : layer.second)
+			{
+				delete child.second;
+			}
+		}
+
+		if (m_Parent)
+		{
+			m_Parent->RemoveChild(this);
+		}*/
+	}
+
+	Frame* Parent() const { return m_Parent; }
+
+	void SetParent(Frame* parent)
+	{
+		if (parent == nullptr) {
+			LOG_ERROR("Failed to parent frame \"%s\": Invalid parent", m_Name.c_str());
+			return;
+		}
+
+		m_Layer = parent->Layer() + 1;
+		parent->AddChild(this);
+		m_Parent = parent;
+		m_EventBroker = parent->m_EventBroker;
+		BaseFrame = parent->BaseFrame;
+	}
+
+	void AddChild(Frame* child)
+	{
+		m_Children[child->m_Layer].insert(std::make_pair(child->Name(), child));
+		if (m_Parent) {
+			m_Parent->AddChild(child);
+		}
+	}
+
+	void RemoveChild(Frame* child)
+	{
+		auto it = m_Children.find(child->m_Layer);
+		if (it != m_Children.end()) {
+			m_Children.erase(it);
+		}
+
+		if (m_Parent) {
+			m_Parent->RemoveChild(child);
+		}
+	}
+
+	std::string Name() const { return m_Name; }
+	void SetName(std::string val) { m_Name = val; }
+
+	int Layer() const { return m_Layer; }
+
+	bool Hidden() const
+	{
+		if (m_Parent)
+			return m_Parent->Hidden() || m_Hidden;
+		else
+			return m_Hidden;
+	}
+	bool Visible() const
+	{
+		return !Hidden();
+	}
+
+	virtual void Hide() { m_Hidden = true; }
+	virtual void Show() { m_Hidden = false; }
+
+	int Left() const override
+	{
+		if (m_Parent)
+			return m_Parent->Left() + X;
+		else
+			return X;
+	}
+	void SetLeft(int absLeft) override
+	{
+		if (m_Parent) {
+			X = absLeft - m_Parent->Left();
+		} else {
+			X = absLeft;
+		}
+	}
+	int Right() const override
+	{
+		return Left() + Width;
+	}
+	void SetRight(int absRight) override
+	{
+		if (m_Parent) {
+			X = absRight - Width - m_Parent->Left();
+		} else {
+			X = absRight - Width;
+		}
+	}
+	int Top() const override
+	{
+		if (m_Parent)
+			return m_Parent->Top() + Y;
+		else
+			return Y;
+	}
+	void SetTop(int absTop) override
+	{
+		if (m_Parent) {
+			Y = absTop - m_Parent->Top();
+		} else {
+			Y = absTop;
+		}
+	}
+	int Bottom() const override
+	{
+		return Top() + Height;
+	}
+	void SetBottom(int absBottom) override
+	{
+		if (m_Parent) {
+			Y = absBottom - Height - m_Parent->Top();
+		} else {
+			Y = absBottom - Height;
+		}
+	}
+
+	glm::vec2 Scale()
+	{
+		if (m_Parent)
+			return m_Parent->Scale();
+		else
+			return glm::vec2(Width, Height) / glm::vec2(BaseWidth, BaseHeight);
+	}
+
+	Rectangle AbsoluteRectangle()
+	{
+		int left = Left();
+		if (m_Parent)
+			left = std::max(left, m_Parent->Left());
+		int top = Top();
+		if (m_Parent)
+			top = std::max(top, m_Parent->Top());
+		int width = Right() - left;
+		int height = Bottom() - top;
+		return Rectangle(left, top, width, height);
+	}
+
+	void UpdateLayered(double dt)
+	{
+		// Update ourselves
+		this->Update(dt);
+
+		// Update children
+		for (auto& pairLayer : m_Children) {
+			auto children = pairLayer.second;
+			for (auto& pairChild : children) {
+				auto child = pairChild.second;
+				child->Update(dt);
+			}
+		}
+	}
+
+	virtual void Update(double dt) { }
+
+	void DrawLayered(RenderQueueCollection& rq)
+	{
+		if (this->Hidden())
+			return;
+
+		// Draw ourselves
+		this->Draw(rq);
+
+		// Draw children
+		for (auto& pairLayer : m_Children) {
+			auto children = pairLayer.second;
+			for (auto& pairChild : children) {
+				auto child = pairChild.second;
+				if (child->Hidden())
+					continue;
+				child->Draw(rq);
+			}
+		}
+	}
+
+	virtual void Draw(RenderQueueCollection& rq) { }
+
+protected:
+	::EventBroker* m_EventBroker;
+	Frame* BaseFrame = nullptr;
+
+	std::string m_Name = "Unnamed";
+	int m_Layer = 0;
+	bool m_Hidden = false;
+
+	Frame* m_Parent = nullptr;
+	typedef std::multimap<std::string, Frame*> Children_t; // name -> frame
+	std::map<int, Children_t> m_Children; // layer -> Children_t
+
+	virtual bool OnKeyDown(const Events::KeyDown& event) { return false; }
+	virtual bool OnKeyUp(const Events::KeyUp& event) { return false; }
+	virtual bool OnCommand(const Events::InputCommand& event) { return false; }
+
+private:
+	EventRelay<Frame, Events::KeyDown> m_EKeyDown;
+	EventRelay<Frame, Events::KeyUp> m_EKeyUp;
+	EventRelay<Frame, Events::InputCommand> m_EInputCommand;
+};
+
+}
+
+#endif