Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#ifndef MAPOVERLAY_H
#define MAPOVERLAY_H
#pragma once
#include <afxwin.h>
#include "utlvector.h"
#include "MapSideList.h"
class CHelperInfo;
class CMapFace;
class CRender3D;
class CMapView;
class IEditorTexture;
#define OVERLAY_HANDLES_COUNT 4
#define NUM_CLIPFACE_TEXCOORDS 2
#define OVERLAY_TYPE_GENERIC 0x01
#define OVERLAY_TYPE_SHORE 0x02
//=============================================================================
//
// Class Map Overlay
//
class CMapOverlay : public CMapSideList
{
public:
DECLARE_MAPCLASS( CMapOverlay, CMapSideList );
// Construction/Deconstruction.
CMapOverlay();
~CMapOverlay();
// Factory for building from a list of string parameters.
static CMapClass *CreateMapOverlay( CHelperInfo *pInfo, CMapEntity *pParent );
// Virtual/Interface Implementation.
virtual void PostloadWorld( CMapWorld *pWorld );
virtual CMapClass *Copy( bool bUpdateDependencies );
virtual CMapClass *CopyFrom( CMapClass *pObject, bool bUpdateDependencies );
void CalcBounds( BOOL bFullUpdate = FALSE );
virtual void OnParentKeyChanged( const char* szKey, const char* szValue );
virtual void OnNotifyDependent( CMapClass *pObject, Notify_Dependent_t eNotifyType );
void DoTransform( const VMatrix &matrix );
void OnPaste( CMapClass *pCopy, CMapWorld *pSourceWorld, CMapWorld *pDestWorld,
const CMapObjectList &OriginalList, CMapObjectList &NewList);
void OnClone( CMapClass *pClone, CMapWorld *pWorld,
const CMapObjectList &OriginalList, CMapObjectList &NewList );
void OnUndoRedo( void );
void Render3D( CRender3D *pRender );
// Overlay.
void HandlesReset( void );
bool HandlesHitTest( CMapView *pView, const Vector2D &vPoint );
void HandlesDragTo( Vector &vecImpact, CMapFace *pFace );
void HandleMoveTo( int iHandle, Vector &vecPoint, CMapFace *pFace );
void SetTexCoords( Vector2D vecTexCoords[4] );
void GetHandlePos( int iHandle, Vector &vecPos );
bool IsSelected( void ) { return ( GetSelectionState() == SELECT_NORMAL ); }
void DoClip( void );
void CenterEntity( void );
void GetPlane( cplane_t &plane );
int GetFaceCount( void ) { return m_Faces.Count(); }
CMapFace *GetFace( int iFace ) { return m_Faces.Element( iFace ); }
void SetMaterial( const char *szMaterialName );
void SetMaterial( IEditorTexture *pTexture ) { m_Material.m_pTexture = pTexture; }
IEditorTexture* GetMaterial() { return m_Material.m_pTexture; }
// Creation.
void Basis_Init( CMapFace *pFace );
void Handles_Init( CMapFace *pFace );
void SideList_Init( CMapFace *pFace );
void SideList_AddFace( CMapFace *pFace );
void SetLoaded( bool bLoaded ) { m_bLoaded = bLoaded; }
// Attributes.
inline virtual bool IsVisualElement( void ) { return true; }
inline virtual bool ShouldRenderLast( void ) { return true; }
inline const char* GetDescription() { return ( "Overlay" ); }
void SetOverlayType( unsigned short uiType ) { m_uiFlags |= uiType; }
void ResetOverlayType( unsigned short uiType ) { m_uiFlags &= ~uiType; }
unsigned short GetOverlayType( void ) { return m_uiFlags; }
ChunkFileResult_t SaveDataToVMF( CChunkFile *pFile, CSaveInfo *pSaveInfo );
private:
//=========================================================================
//
// Basis Data
//
struct Basis_t
{
CMapFace *m_pFace; // Index to the face the basis were derived from
Vector m_vecOrigin; // Origin of basis vectors (in plane)
Vector m_vecAxes[3]; // Basis vectors
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
};
void Basis_Clear( void );
void Basis_SetFace( CMapFace *pFace );
void Basis_UpdateOrigin( void );
void Basis_BuildAxes( void );
void Basis_SetInitialUAxis( Vector const &vecNormal );
bool Basis_IsValid( void );
void Basis_Copy( Basis_t *pSrc, Basis_t *pDst );
void Basis_UpdateParentKey( void );
// Legacy support.
void Basis_BuildFromSideList( void );
void Basis_ToggleAxesFlip( int iAxis, int iComponent );
bool Basis_IsFlipped( int iAxis, int iComponent );
//=========================================================================
//
// Handle Data
//
struct Handles_t
{
int m_iHit; // Index of the selected handle
Vector2D m_vecBasisCoords[OVERLAY_HANDLES_COUNT]; // U,V coordinates of the 4 corners in the editable plane (use basis)
Vector m_vec3D[OVERLAY_HANDLES_COUNT]; // World space handles for snap testing
};
void Handles_Clear( void );
void Handles_Build3D();
void Handles_Render3D( CRender3D *pRender );
void Handles_SurfToOverlayPlane( CMapFace *pFace, Vector const &vSurf, Vector &vPoint );
void Handles_Copy( Handles_t *pSrc, Handles_t *pDst );
void Handles_UpdateParentKey( void );
void Handles_FixOrder();
//=========================================================================
//
// ClipFace Data
//
struct BlendData_t
{
void Init()
{
m_nType = 0;
memset(m_iPoints, 0, sizeof(m_iPoints));
memset(m_flBlends, 0, sizeof(m_flBlends));
}
int m_nType; // type of blend (point, edge, barycentric)
short m_iPoints[3]; // displacement point indices
float m_flBlends[3]; // blending values
};
struct ClipFace_t
{
CMapFace *m_pBuildFace;
int m_nPointCount;
CUtlVector<Vector> m_aPoints;
CUtlVector<Vector> m_aDispPointUVs; // z is always 0 (need to be this way to share functions!)
CUtlVector<Vector2D> m_aTexCoords[NUM_CLIPFACE_TEXCOORDS];
CUtlVector<BlendData_t> m_aBlends;
ClipFace_t()
{
m_pBuildFace = NULL;
m_nPointCount = 0;
}
~ClipFace_t()
{
m_aPoints.Purge();
m_aDispPointUVs.Purge();
m_aBlends.Purge();
for ( int iCoord = 0; iCoord < NUM_CLIPFACE_TEXCOORDS; ++iCoord )
{
m_aTexCoords[iCoord].Purge();
}
}
};
typedef CUtlVector<ClipFace_t*> ClipFaces_t;
ClipFace_t *ClipFace_Create( int nSize );
void ClipFace_Destroy( ClipFace_t **ppClipFace );
ClipFace_t *ClipFace_Copy( ClipFace_t *pSrc );
void ClipFace_GetBounds( ClipFace_t *pClipFace, Vector &vecMin, Vector &vecMax );
void ClipFace_Clip( ClipFace_t *pClipFace, cplane_t *pClipPlane, float flEpsilon, ClipFace_t **ppFront, ClipFace_t **ppBack );
void ClipFace_ClipBarycentric( ClipFace_t *pClipFace, cplane_t *pClipPlane, float flEpsilon, int iClip, CMapDisp *pDisp, ClipFace_t **ppFront, ClipFace_t **ppBack );
void ClipFace_PreClipDisp( ClipFace_t *pClipFace, CMapDisp *pDisp );
void ClipFace_PostClipDisp( void );
void ClipFace_ResolveBarycentricClip( CMapDisp *pDisp, ClipFace_t *pClipFace, int iClipFacePoint, const Vector2D &vecPointUV, float *pCoefs, int *pTris, Vector2D *pVertsUV );
bool ClipFace_CalcBarycentricCooefs( CMapDisp *pDisp, Vector2D *pVertsUV, const Vector2D &vecPointUV, float *pCoefs );
int ClipFace_GetAxisType( cplane_t *pClipPlane );
void ClipFace_BuildBlend( ClipFace_t *pClipFace, CMapDisp *pDisp, cplane_t *pClipPlane, int iClip, const Vector &vecUV, const Vector &vecPoint );
void ClipFace_CopyBlendFrom( ClipFace_t *pClipFace, BlendData_t *pBlendFrom );
void ClipFace_BuildFacesFromBlendedData( ClipFace_t *pClipFace );
//=========================================================================
//
// Material Functions
//
struct Material_t
{
IEditorTexture *m_pTexture; // material
Vector2D m_vecTextureU; // material starting and ending U
Vector2D m_vecTextureV; // material starting and ending V
};
void Material_Clear( void );
void Material_Copy( Material_t *pSrc, Material_t *pDst );
void Material_TexCoordInit( void );
void Material_UpdateParentKey( void );
//=========================================================================
//
// Clipping
//
void PreClip( void );
void PostClip( void );
void DoClipFace( CMapFace *pFace );
void DoClipDisp( CMapFace *pFace, ClipFace_t *pClippedFace );
void DoClipDispInV( CMapDisp *pDisp, ClipFaces_t &aCurrentFaces );
void DoClipDispInU( CMapDisp *pDisp, ClipFaces_t &aCurrentFaces );
void DoClipDispInUVFromTLToBR( CMapDisp *pDisp, ClipFaces_t &aCurrentFaces );
void DoClipDispInUVFromBLToTR( CMapDisp *pDisp, ClipFaces_t &aCurrentFaces );
void Disp_ClipFragments( CMapDisp *pDisp, ClipFaces_t &aDispFragments );
void Disp_DoClip( CMapDisp *pDisp, ClipFaces_t &aDispFragments, cplane_t &clipPlane, float clipDistStart, int nInterval, int nLoopStart, int nLoopEnd, int nLoopInc );
//==========================================================================
//
// Transform
//
// Utility
void OverlayUVToOverlayPlane( const Vector2D &vecUV, Vector &vecPoint );
void OverlayPlaneToOverlayUV( const Vector &vecPoint, Vector2D &vecUV );
void WorldToOverlayPlane( const Vector &vecWorld, Vector &vecPoint );
void OverlayPlaneToWorld( CMapFace *pFace, const Vector &vecPlane, Vector &vecWorld );
void OverlayPlaneToSurfFromList( const Vector &vecOverlayPoint, Vector &vecSurfPoint );
bool EntityOnSurfFromListToBaseFacePlane( const Vector &vecWorldPoint, Vector &vecBasePoint );
bool BuildEdgePlanes( Vector const *pPoints, int pointCount, cplane_t *pEdgePlanes, int edgePlaneCount );
void UpdateDispBarycentric( void );
void PostModified( void );
void GetTriVerts( CMapDisp *pDisp, const Vector2D &vecSurfUV, int *pTris, Vector2D *pVertsUV );
private:
Basis_t m_Basis; // Overlay Basis Data
Handles_t m_Handles; // Overlay Handle Data
Material_t m_Material; // Overlay Material
ClipFace_t *m_pOverlayFace; // Primary Overlay
ClipFaces_t m_aRenderFaces; // Clipped Face Cache (Render Faces)
unsigned short m_uiFlags; //
bool m_bLoaded;
};
#endif // MAPOVERLAY_H