Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#ifndef CLIPPER3D_H
#define CLIPPER3D_H
#ifdef _WIN32
#pragma once
#endif
#include "MapClass.h" // For CMapObjectList
#include "Tool3D.h"
#include "ToolInterface.h"
#include "Render2D.h"
#include "MapFace.h"
class CMapSolid;
//=============================================================================
//
// CClipGroup
//
class CClipGroup
{
public:
enum { FRONT = 0, BACK };
inline CClipGroup();
~CClipGroup();
inline void SetOrigSolid( CMapSolid *pSolid );
inline CMapSolid *GetOrigSolid( void );
inline void SetClipSolid( CMapSolid *pSolid, int side );
inline CMapSolid *GetClipSolid( int side );
private:
CMapSolid *m_pOrigSolid;
CMapSolid *m_pClipSolids[2]; // front, back
};
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
inline CClipGroup::CClipGroup()
{
m_pOrigSolid = NULL;
m_pClipSolids[0] = NULL;
m_pClipSolids[1] = NULL;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
inline void CClipGroup::SetOrigSolid( CMapSolid *pSolid )
{
m_pOrigSolid = pSolid;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
inline CMapSolid *CClipGroup::GetOrigSolid( void )
{
return m_pOrigSolid;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
inline void CClipGroup::SetClipSolid( CMapSolid *pSolid, int side )
{
m_pClipSolids[side] = pSolid;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
inline CMapSolid *CClipGroup::GetClipSolid( int side )
{
return m_pClipSolids[side];
}
class Clipper3D : public Tool3D
{
friend BOOL AddToClipList( CMapSolid *pSolid, Clipper3D *pClipper );
public:
enum { FRONT = 0, BACK, BOTH };
Clipper3D();
~Clipper3D();
void IterateClipMode( void );
inline void ToggleMeasurements( void );
//
// Tool3D implementation.
//
virtual int HitTest( CMapView *pView, const Vector2D &vPoint, bool bTestHandles = false );
virtual unsigned int GetConstraints(unsigned int nKeyFlags);
//
// CBaseTool implementation.
//
virtual void OnActivate();
virtual void OnDeactivate();
virtual ToolID_t GetToolID(void) { return TOOL_CLIPPER; }
virtual void RenderTool2D(CRender2D *pRender);
virtual void RenderTool3D(CRender3D *pRender);
virtual bool OnKeyDown2D(CMapView2D *pView, UINT nChar, UINT nRepCnt, UINT nFlags);
virtual bool OnKeyDown3D(CMapView3D *pView, UINT nChar, UINT nRepCnt, UINT nFlags);
virtual bool OnLMouseDown2D(CMapView2D *pView, UINT nFlags, const Vector2D &vPoint);
virtual bool OnLMouseUp2D(CMapView2D *pView, UINT nFlags, const Vector2D &vPoint);
virtual bool OnMouseMove2D(CMapView2D *pView, UINT nFlags, const Vector2D &vPoint);
protected:
//
// Tool3D implementation.
//
virtual bool UpdateTranslation( const Vector &vUpdate, UINT uFlags = 0 );
virtual void FinishTranslation( bool bSave );
private:
void OnEscape(void);
void SetClipObjects( const CMapObjectList *pList );
void SetClipPlane( PLANE *pPlane );
void BuildClipPlane( void );
void SaveClipResults( void );
void GetClipResults( void );
void CalcClipResults( void );
void ResetClipResults( void );
void RemoveOrigSolid( CMapSolid *pOrigSolid );
void SaveClipSolid( CMapSolid *pSolid, CMapSolid *pOrigSolid );
void DrawBrushExtents(CRender2D *pRender, CMapSolid *pSolid, int nFlags);
int m_Mode; // current clipping mode { back, front, both }
PLANE m_ClipPlane; // the clipping plane -- front/back is uneccesary
Vector m_ClipPoints[2]; // 2D clipping points -- used to create the clip plane
int m_ClipPointHit; // the clipping that was "hit" {0, 1, -1}
Vector m_vOrgPos;
const CMapObjectList *m_pOrigObjects; // list of the initial objects to clip
CUtlVector<CClipGroup*> m_ClipResults; // list of clipped objects
bool m_bDrawMeasurements; // Whether to draw brush dimensions in the 2D view.
CRender2D m_Render2D; // 2d renderer
};
//-----------------------------------------------------------------------------
// Purpose: Toggles the clipper's rendering of brush measurements in the 2D view.
//-----------------------------------------------------------------------------
inline void Clipper3D::ToggleMeasurements( void )
{
m_bDrawMeasurements = !m_bDrawMeasurements;
m_pDocument->UpdateAllViews( MAPVIEW_UPDATE_TOOL );
}
#endif // CLIPPER3D_H