123

Editor/2DViewport.h

@@ -0,0 +1,176 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   2dviewport.h
+//  Version:     v1.00
+//  Created:     5/7/2002 by Timur.
+//  Compilers:   Visual Studio.NET
+//  Description: 
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#ifndef __2dviewport_h__
+#define __2dviewport_h__
+
+#if _MSC_VER > 1000
+#pragma once
+#endif
+
+#include "Viewport.h"
+
+/** 2D Viewport used mostly for indoor editing, Front/Top/Left viewports.
+*/
+class C2DViewport : public CViewport
+{
+	DECLARE_DYNCREATE(C2DViewport)
+public:
+	C2DViewport();
+	virtual ~C2DViewport();
+
+	virtual void SetType( EViewportType type );
+	virtual EViewportType GetType() { return m_viewType; }
+	
+	virtual void ResetContent();
+	virtual void UpdateContent( int flags );
+
+	// Called every frame to update viewport.
+	virtual void Update();
+
+	//! Map world space position to viewport position.
+	virtual CPoint	WorldToView( Vec3d wp );
+	//! Map viewport position to world space position.
+	virtual Vec3d		ViewToWorld( CPoint vp,bool *collideWithTerrain=0,bool onlyTerrain=false );
+	//! Map viewport position to world space ray from camera.
+	virtual void		ViewToWorldRay( CPoint vp,Vec3 &raySrc,Vec3 &rayDir );
+
+	virtual void OnTitleMenu( CMenu &menu );
+	virtual void OnTitleMenuCommand( int id );
+
+	virtual void DrawBrush( DisplayContext &dc,struct SBrush *brush,const Matrix44 &brushTM,int flags );
+	virtual void DrawTextLabel( DisplayContext &dc,const Vec3& pos,float size,const CFColor& color,const char *text );
+
+	virtual bool HitTest( CPoint point,ObjectHitInfo &hitInfo,int flags=0 );
+	virtual bool IsBoundsVisible( const BBox &box ) const;
+
+	Vec3d SnapToGrid( Vec3d vec );
+
+	// ovverided from CViewport.
+	float GetScreenScaleFactor( const Vec3 &worldPoint );
+
+	// Overrided from CViewport.
+	void OnDragSelectRectangle( CPoint p1,CPoint p2,bool bNormilizeRect=false );
+	void CenterOnSelection();
+
+	Vec3 GetCPVector( const Vec3 &p1,const Vec3 &p2 );
+
+	/** Get 2D viewports origin.
+	*/
+	Vec3 GetOrigin2D() const;
+
+	/** Assign 2D viewports origin.
+	*/
+	void SetOrigin2D( const Vec3 &org );
+
+protected:
+	enum EViewportAxis
+	{
+		VPA_XY,
+		VPA_XZ,
+		VPA_YZ,
+	};
+
+	void SetAxis( EViewportAxis axis );
+
+	// Scrolling / zooming related
+	virtual void SetScrollOffset( float x,float y,bool bLimits=true );
+	virtual void GetScrollOffset( float &x,float &y ); // Only x and y components used.
+
+	void SetZoom( float fZoomFactor,CPoint center );
+
+	// overrides from CViewport.
+	void SetConstrPlane( CPoint cursor,const Matrix44 &xform );
+	
+	//! Calculate view transformation matrix.
+	virtual void CalculateViewTM();
+
+	// Render
+	void Render();
+	
+	// Draw everything.
+	virtual void Draw( DisplayContext &dc );
+	
+	// Draw elements of viewport.
+	void DrawGrid( DisplayContext &dc,bool bNoXNumbers=false );
+	void DrawAxis( DisplayContext &dc );
+	void DrawSelection( DisplayContext &dc );
+	void DrawObjects( DisplayContext &dc );
+	void DrawViewerMarker( DisplayContext &dc );
+
+	BBox GetWorldBounds( CPoint p1,CPoint p2 );
+
+	//////////////////////////////////////////////////////////////////////////
+	//! Get current screen matrix.
+	//! Screen matrix transform from World space to Screen space.
+	const Matrix44& GetScreenTM() const { return m_screenTM; };
+
+		//{{AFX_MSG(C2DViewport)
+	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
+	afx_msg void OnMButtonDown(UINT nFlags, CPoint point);
+	afx_msg void OnMButtonUp(UINT nFlags, CPoint point);
+	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
+	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
+	afx_msg void OnSize(UINT nType, int cx, int cy);
+	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
+	afx_msg void OnPaint();
+	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
+	afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
+	afx_msg void OnRButtonUp(UINT nFlags, CPoint point);
+	afx_msg BOOL OnMouseWheel(UINT nFlags, short zDelta, CPoint pt);
+	afx_msg void OnDestroy();
+	//}}AFX_MSG
+	DECLARE_MESSAGE_MAP()
+	
+protected:
+	//////////////////////////////////////////////////////////////////////////
+	// Variables.
+	//////////////////////////////////////////////////////////////////////////
+	IRenderer*	m_renderer;
+
+	//! XY/XZ/YZ mode of this 2D viewport.
+	EViewportType m_viewType;
+	EViewportAxis m_axis;
+
+	//! Axis to cull normals with in this Viewport.
+	int m_cullAxis;
+
+	// Viewport origin point.
+	Vec3 m_origin2D;
+
+	// Scrolling / zooming related
+	CPoint m_cMousePos;
+	CPoint m_RMouseDownPos;
+
+	float m_prevZoomFactor;
+	CSize m_prevScrollOffset;
+
+	CRect m_rcSelect;
+	CRect m_rcClient;
+
+	BBox m_displayBounds;
+
+	//! True if should display terrain.
+	bool m_bShowTerrain;
+
+	Matrix44 m_screenTM;
+
+	float m_gridAlpha;
+	COLORREF m_colorGridText;
+	COLORREF m_colorAxisText;
+	COLORREF m_colorBackground;
+};
+
+#endif // __2dviewport_h__