283 lines
9.6 KiB
C
283 lines
9.6 KiB
C
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef MAPOVERLAY_H
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#define MAPOVERLAY_H
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#pragma once
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#include <afxwin.h>
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#include "utlvector.h"
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#include "MapSideList.h"
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class CHelperInfo;
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class CMapFace;
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class CRender3D;
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class CMapView;
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class IEditorTexture;
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#define OVERLAY_HANDLES_COUNT 4
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#define NUM_CLIPFACE_TEXCOORDS 2
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#define OVERLAY_TYPE_GENERIC 0x01
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#define OVERLAY_TYPE_SHORE 0x02
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//=============================================================================
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//
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// Class Map Overlay
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//
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class CMapOverlay : public CMapSideList
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{
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public:
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DECLARE_MAPCLASS( CMapOverlay, CMapSideList );
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// Construction/Deconstruction.
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CMapOverlay();
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~CMapOverlay();
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// Factory for building from a list of string parameters.
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static CMapClass *CreateMapOverlay( CHelperInfo *pInfo, CMapEntity *pParent );
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// Virtual/Interface Implementation.
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virtual void PostloadWorld( CMapWorld *pWorld );
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virtual CMapClass *Copy( bool bUpdateDependencies );
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virtual CMapClass *CopyFrom( CMapClass *pObject, bool bUpdateDependencies );
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void CalcBounds( BOOL bFullUpdate = FALSE );
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virtual void OnParentKeyChanged( const char* szKey, const char* szValue );
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virtual void OnNotifyDependent( CMapClass *pObject, Notify_Dependent_t eNotifyType );
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void DoTransform( const VMatrix &matrix );
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void OnPaste( CMapClass *pCopy, CMapWorld *pSourceWorld, CMapWorld *pDestWorld,
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const CMapObjectList &OriginalList, CMapObjectList &NewList);
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void OnClone( CMapClass *pClone, CMapWorld *pWorld,
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const CMapObjectList &OriginalList, CMapObjectList &NewList );
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void OnUndoRedo( void );
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void Render3D( CRender3D *pRender );
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// Overlay.
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void HandlesReset( void );
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bool HandlesHitTest( CMapView *pView, const Vector2D &vPoint );
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void HandlesDragTo( Vector &vecImpact, CMapFace *pFace );
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void HandleMoveTo( int iHandle, Vector &vecPoint, CMapFace *pFace );
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void SetTexCoords( Vector2D vecTexCoords[4] );
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void GetHandlePos( int iHandle, Vector &vecPos );
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bool IsSelected( void ) { return ( GetSelectionState() == SELECT_NORMAL ); }
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void DoClip( void );
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void CenterEntity( void );
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void GetPlane( cplane_t &plane );
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int GetFaceCount( void ) { return m_Faces.Count(); }
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CMapFace *GetFace( int iFace ) { return m_Faces.Element( iFace ); }
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void SetMaterial( const char *szMaterialName );
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void SetMaterial( IEditorTexture *pTexture ) { m_Material.m_pTexture = pTexture; }
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IEditorTexture* GetMaterial() { return m_Material.m_pTexture; }
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// Creation.
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void Basis_Init( CMapFace *pFace );
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void Handles_Init( CMapFace *pFace );
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void SideList_Init( CMapFace *pFace );
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void SideList_AddFace( CMapFace *pFace );
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void SetLoaded( bool bLoaded ) { m_bLoaded = bLoaded; }
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// Attributes.
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inline virtual bool IsVisualElement( void ) { return true; }
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inline virtual bool ShouldRenderLast( void ) { return true; }
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inline const char* GetDescription() { return ( "Overlay" ); }
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void SetOverlayType( unsigned short uiType ) { m_uiFlags |= uiType; }
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void ResetOverlayType( unsigned short uiType ) { m_uiFlags &= ~uiType; }
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unsigned short GetOverlayType( void ) { return m_uiFlags; }
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ChunkFileResult_t SaveDataToVMF( CChunkFile *pFile, CSaveInfo *pSaveInfo );
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private:
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//=========================================================================
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//
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// Basis Data
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//
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struct Basis_t
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{
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CMapFace *m_pFace; // Index to the face the basis were derived from
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Vector m_vecOrigin; // Origin of basis vectors (in plane)
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Vector m_vecAxes[3]; // Basis vectors
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int m_nAxesFlip[3]; // u, v, n flip values (3 bits x,y,z) - saved off the z components of the first 3 uv points
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};
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void Basis_Clear( void );
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void Basis_SetFace( CMapFace *pFace );
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void Basis_UpdateOrigin( void );
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void Basis_BuildAxes( void );
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void Basis_SetInitialUAxis( Vector const &vecNormal );
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bool Basis_IsValid( void );
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void Basis_Copy( Basis_t *pSrc, Basis_t *pDst );
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void Basis_UpdateParentKey( void );
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// Legacy support.
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void Basis_BuildFromSideList( void );
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void Basis_ToggleAxesFlip( int iAxis, int iComponent );
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bool Basis_IsFlipped( int iAxis, int iComponent );
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//=========================================================================
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//
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// Handle Data
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//
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struct Handles_t
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{
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int m_iHit; // Index of the selected handle
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Vector2D m_vecBasisCoords[OVERLAY_HANDLES_COUNT]; // U,V coordinates of the 4 corners in the editable plane (use basis)
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Vector m_vec3D[OVERLAY_HANDLES_COUNT]; // World space handles for snap testing
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};
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void Handles_Clear( void );
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void Handles_Build3D();
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void Handles_Render3D( CRender3D *pRender );
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void Handles_SurfToOverlayPlane( CMapFace *pFace, Vector const &vSurf, Vector &vPoint );
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void Handles_Copy( Handles_t *pSrc, Handles_t *pDst );
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void Handles_UpdateParentKey( void );
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void Handles_FixOrder();
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//=========================================================================
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//
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// ClipFace Data
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//
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struct BlendData_t
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{
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void Init()
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{
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m_nType = 0;
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memset(m_iPoints, 0, sizeof(m_iPoints));
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memset(m_flBlends, 0, sizeof(m_flBlends));
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}
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int m_nType; // type of blend (point, edge, barycentric)
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short m_iPoints[3]; // displacement point indices
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float m_flBlends[3]; // blending values
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};
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struct ClipFace_t
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{
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CMapFace *m_pBuildFace;
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int m_nPointCount;
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CUtlVector<Vector> m_aPoints;
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CUtlVector<Vector> m_aDispPointUVs; // z is always 0 (need to be this way to share functions!)
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CUtlVector<Vector2D> m_aTexCoords[NUM_CLIPFACE_TEXCOORDS];
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CUtlVector<BlendData_t> m_aBlends;
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ClipFace_t()
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{
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m_pBuildFace = NULL;
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m_nPointCount = 0;
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}
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~ClipFace_t()
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{
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m_aPoints.Purge();
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m_aDispPointUVs.Purge();
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m_aBlends.Purge();
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for ( int iCoord = 0; iCoord < NUM_CLIPFACE_TEXCOORDS; ++iCoord )
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{
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m_aTexCoords[iCoord].Purge();
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}
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}
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};
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typedef CUtlVector<ClipFace_t*> ClipFaces_t;
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ClipFace_t *ClipFace_Create( int nSize );
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void ClipFace_Destroy( ClipFace_t **ppClipFace );
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ClipFace_t *ClipFace_Copy( ClipFace_t *pSrc );
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void ClipFace_GetBounds( ClipFace_t *pClipFace, Vector &vecMin, Vector &vecMax );
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void ClipFace_Clip( ClipFace_t *pClipFace, cplane_t *pClipPlane, float flEpsilon, ClipFace_t **ppFront, ClipFace_t **ppBack );
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void ClipFace_ClipBarycentric( ClipFace_t *pClipFace, cplane_t *pClipPlane, float flEpsilon, int iClip, CMapDisp *pDisp, ClipFace_t **ppFront, ClipFace_t **ppBack );
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void ClipFace_PreClipDisp( ClipFace_t *pClipFace, CMapDisp *pDisp );
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void ClipFace_PostClipDisp( void );
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void ClipFace_ResolveBarycentricClip( CMapDisp *pDisp, ClipFace_t *pClipFace, int iClipFacePoint, const Vector2D &vecPointUV, float *pCoefs, int *pTris, Vector2D *pVertsUV );
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bool ClipFace_CalcBarycentricCooefs( CMapDisp *pDisp, Vector2D *pVertsUV, const Vector2D &vecPointUV, float *pCoefs );
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int ClipFace_GetAxisType( cplane_t *pClipPlane );
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void ClipFace_BuildBlend( ClipFace_t *pClipFace, CMapDisp *pDisp, cplane_t *pClipPlane, int iClip, const Vector &vecUV, const Vector &vecPoint );
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void ClipFace_CopyBlendFrom( ClipFace_t *pClipFace, BlendData_t *pBlendFrom );
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void ClipFace_BuildFacesFromBlendedData( ClipFace_t *pClipFace );
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//=========================================================================
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//
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// Material Functions
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//
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struct Material_t
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{
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IEditorTexture *m_pTexture; // material
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Vector2D m_vecTextureU; // material starting and ending U
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Vector2D m_vecTextureV; // material starting and ending V
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};
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void Material_Clear( void );
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void Material_Copy( Material_t *pSrc, Material_t *pDst );
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void Material_TexCoordInit( void );
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void Material_UpdateParentKey( void );
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//=========================================================================
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//
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// Clipping
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//
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void PreClip( void );
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void PostClip( void );
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void DoClipFace( CMapFace *pFace );
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void DoClipDisp( CMapFace *pFace, ClipFace_t *pClippedFace );
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void DoClipDispInV( CMapDisp *pDisp, ClipFaces_t &aCurrentFaces );
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void DoClipDispInU( CMapDisp *pDisp, ClipFaces_t &aCurrentFaces );
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void DoClipDispInUVFromTLToBR( CMapDisp *pDisp, ClipFaces_t &aCurrentFaces );
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void DoClipDispInUVFromBLToTR( CMapDisp *pDisp, ClipFaces_t &aCurrentFaces );
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void Disp_ClipFragments( CMapDisp *pDisp, ClipFaces_t &aDispFragments );
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void Disp_DoClip( CMapDisp *pDisp, ClipFaces_t &aDispFragments, cplane_t &clipPlane, float clipDistStart, int nInterval, int nLoopStart, int nLoopEnd, int nLoopInc );
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//==========================================================================
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//
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// Transform
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//
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// Utility
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void OverlayUVToOverlayPlane( const Vector2D &vecUV, Vector &vecPoint );
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void OverlayPlaneToOverlayUV( const Vector &vecPoint, Vector2D &vecUV );
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void WorldToOverlayPlane( const Vector &vecWorld, Vector &vecPoint );
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void OverlayPlaneToWorld( CMapFace *pFace, const Vector &vecPlane, Vector &vecWorld );
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void OverlayPlaneToSurfFromList( const Vector &vecOverlayPoint, Vector &vecSurfPoint );
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bool EntityOnSurfFromListToBaseFacePlane( const Vector &vecWorldPoint, Vector &vecBasePoint );
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bool BuildEdgePlanes( Vector const *pPoints, int pointCount, cplane_t *pEdgePlanes, int edgePlaneCount );
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void UpdateDispBarycentric( void );
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void PostModified( void );
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void GetTriVerts( CMapDisp *pDisp, const Vector2D &vecSurfUV, int *pTris, Vector2D *pVertsUV );
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private:
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Basis_t m_Basis; // Overlay Basis Data
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Handles_t m_Handles; // Overlay Handle Data
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Material_t m_Material; // Overlay Material
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ClipFace_t *m_pOverlayFace; // Primary Overlay
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ClipFaces_t m_aRenderFaces; // Clipped Face Cache (Render Faces)
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unsigned short m_uiFlags; //
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bool m_bLoaded;
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};
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#endif // MAPOVERLAY_H
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