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hammer/mapview2dbase.h

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+//===== Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ======//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+
+#ifndef MAPVIEW2DBASE_H
+#define MAPVIEW2DBASE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "Axes2.h"
+#include "MapView.h"
+#include "MapClass.h"		// For CMapObjectList
+#include "UtlVector.h"
+#include "VGuiWnd.h"
+#include "color.h"
+
+class CTitleWnd;
+class CMapDoc;
+class Tool3D;
+
+class CMapView2DBase : public CView, public CMapView, public Axes2, public CVGuiWnd
+{
+// Operations
+public:
+	LRESULT WindowProc( UINT message, WPARAM wParam, LPARAM lParam );
+
+	void SetViewOrigin( float flHorz, float flVert, bool bRelative = false );
+			
+	void SetZoom(float flNewZoom);
+	float GetZoom( void );
+
+	void CenterView(Vector *pt3 = NULL);
+	void UpdateClientView();
+	void ToolScrollToPoint(const Vector2D &ptClient);
+	void UpdateStatusBar();
+	int  ObjectsAt( const Vector2D &vPoint, HitInfo_t *pObjects, int nMaxObjects, unsigned int nFlags = 0 );
+	int  ObjectsAt( CMapWorld *pWorld, const Vector2D &vPoint, HitInfo_t *pObjects, int nMaxObjects, unsigned int nFlags = 0 );
+	void GetCenterPoint(Vector& pt);
+	void OnContextMenu(UINT nFlags, const Vector2D &vPoint);
+	
+	void EnsureVisible(Vector &vecPos, float flMargin);
+	void UpdateTitleWindowPos();
+	
+	virtual void Render() {}
+
+	void ZoomIn(BOOL bAllViews = FALSE);
+	void ZoomOut(BOOL bAllViews = FALSE);
+
+	//
+	// Coordinate transformation functions.
+	//
+	void ProcessInput() {}
+	void RenderView();
+	void ActivateView(bool bActivate);
+	void UpdateView(int nFlags);
+	CView *GetViewWnd() { return (CView*)this; }
+	CMapDoc *GetMapDoc() { return (CMapDoc*)m_pDocument; }
+
+	void WorldToClient(Vector2D &vecClient, const Vector &vecWorld);
+	void ClientToWorld(Vector &vecWorld, const Vector2D &ptClient);
+	void BuildRay( const Vector2D &ptClient, Vector& vStart, Vector& vEnd );
+	void GetBestTransformPlane( Vector &horzAxis, Vector &vertAxis, Vector &thirdAxis);
+			
+	const Vector &GetViewAxis();
+	bool IsInClientView( const Vector &vecMin, const Vector &vecMax );
+	bool IsInClientView( const Vector2D &vecMin, const Vector2D &vecMax );
+
+	bool CheckDistance(const Vector2D &vecCheck, const Vector2D &vecRef, int nDist);
+	bool IsBoxFullyVisible(const Vector &vecMins, const Vector &vecMaxs);
+	bool CanBoxFitInView(const Vector &minsWorld, const Vector &maxsWorld);
+	bool PointInClientRect( const Vector2D &point );
+	bool HitTest( const Vector2D &vPoint, const Vector& mins, const Vector& maxs );
+	
+// Implementation
+protected:
+	CMapView2DBase();           // protected constructor used by dynamic creation
+	virtual ~CMapView2DBase();
+	DECLARE_DYNCREATE(CMapView2DBase)
+
+	// Derived classes must implement these
+	virtual bool IsLogical() { return false; }
+	virtual void OnRenderListDirty() {}
+
+// Overrides
+	// ClassWizard generated virtual function overrides
+	//{{AFX_VIRTUAL(CMapView2DBase)
+	protected:
+	virtual void OnInitialUpdate();     // first time after construct
+	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
+	virtual BOOL OnMouseWheel(UINT nFlags, short zDelta, CPoint point);
+	virtual void OnDraw(CDC *) {};
+	//}}AFX_VIRTUAL
+
+#ifdef _DEBUG
+	virtual void AssertValid() const;
+	virtual void Dump(CDumpContext& dc) const;
+#endif
+
+	void DrawGridLogical( CRender2D *pRender );
+	void DrawGrid( CRender2D *pRender, int xAxis, int yAxis, float depth, bool bNoSmallGrid = false );
+	CRender2D *GetRender();
+	CTitleWnd *GetTitleWnd();
+	bool HasTitleWnd() const;
+
+	// Create a title window.
+	void CreateTitleWindow(void);
+
+protected:
+	// timer IDs:
+	enum 
+	{ 
+		TIMER_SCROLLVIEW = 1, 
+	};
+
+	void DrawPointFile( CRender2D *pRender );
+	bool HighlightGridLine( CRender2D *pRender, int nGridLine );
+
+	POINT m_ptLDownClient;		// client pos at which lbutton was pressed, for dragging the view
+
+	// TODO zoom  & forward are all camera properties, remove here
+
+	CRender2D *m_pRender;		// Performs the 3D rendering in our window.
+
+	float	m_flMinZoom;		// Minimum legal zoom factor (should be sufficient to display entire map in the view)
+
+	// these vars are used often, so keep values. they just mirror Camera values
+	Vector  m_vViewOrigin;
+	float	m_fZoom;			// zoom factor (* map units)
+	float	m_fClientWidthHalf;	
+	float	m_fClientHeightHalf;
+	Vector  m_vViewAxis;		// view axis, normal
+
+	Vector	m_ViewMin;			// client view in world coordinates, same as 3D view frustum
+	Vector	m_ViewMax;
+
+	int		m_ClientWidth;
+	int		m_ClientHeight;
+	
+	int		m_xScroll, m_yScroll;	// amount to scroll on timer
+	
+	bool	m_bToolShown;			// is tool currently visible?
+	CTitleWnd *m_pwndTitle;			// title window
+
+	Color	m_clrGrid;				// standard grid color
+	Color	m_clrGrid1024;			// 1024 unit line color
+	Color	m_clrGridCustom;		// custom unit color
+	Color	m_clrGridDot;			// grid dot color
+	Color	m_clrAxis;				// grid axis color 
+
+	//
+	// Color scheme functions.
+	//
+	void AdjustColorIntensity(Color &color, int nIntensity);
+	void SetColorMode(bool bBlackOnWhite);
+
+	
+	// mouse drag (space + leftbutton):
+	bool	m_bMouseDrag;	// status indicator
+
+	// Generated message map functions
+	//{{AFX_MSG(CMapView2DBase)
+	afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
+	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
+	afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
+	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
+	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
+	afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
+	afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
+	afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
+	afx_msg void OnTimer(UINT nIDEvent);
+	afx_msg void OnSize(UINT nType, int cx, int cy);
+	afx_msg void OnEditProperties();
+	afx_msg void OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags);
+	afx_msg void OnChar(UINT nChar, UINT nRepCnt, UINT nFlags);
+	afx_msg void OnRButtonUp(UINT nFlags, CPoint point);
+	afx_msg void OnUpdateEditFunction(CCmdUI *pCmdUI);
+	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
+	//}}AFX_MSG
+
+	DECLARE_MESSAGE_MAP()
+};
+
+
+//-----------------------------------------------------------------------------
+// Inline methods
+//-----------------------------------------------------------------------------
+inline bool CMapView2DBase::PointInClientRect( const Vector2D &point )
+{
+	return ( point.x >= 0 && point.y >= 0 && point.x < m_ClientWidth && point.y < m_ClientHeight );
+}
+
+inline float CMapView2DBase::GetZoom() 
+{ 
+	return m_fZoom; 
+}
+
+inline CRender2D *CMapView2DBase::GetRender()
+{
+	return m_pRender;
+}
+
+inline CTitleWnd* CMapView2DBase::GetTitleWnd()
+{
+	return m_pwndTitle;
+}
+
+inline bool CMapView2DBase::HasTitleWnd() const
+{
+	return m_pwndTitle != NULL;
+}
+
+
+#endif // MAPVIEW2DBASE_H