PatchMesh Class Reference

#include <patch.h>

Class Description

See also

Class Patch, Class PatchVec, Class PatchEdge, Class PatchVert, Class BitArray, Class TessApprox, Class PatchTVert, Patches and Faces.

Description:

A patch mesh can be made up of any number of patches. Each of these patches can be three or four sided. Each edge of a patch can only be used by either one patch (which makes it an open edge) or two patches (which makes it a transitional edge between the two).

All methods of this class are implemented by the system.

Topology:

int numVerts;

The number of vertices.

int numVecs;

The number of vectors.

int numPatches;

The number of patches.

int numEdges;

The number of edges.

Patch *patches;

The list of patches.

PatchVec *vecs;

The list of PatchVecs.

PatchEdge *edges;

The list of PatchEdges.

Tab<HookPoint> hooks;

This data member is available in release 3.0 and later only.

This table is used internally

Geometry:

PatchVert *verts;

The list of PatchVerts.

Texture Coordinate Assignment:

Tab<int> numTVerts;

This data member is available in release 3.0 and later only.

A table containing the number of texture vertices for each channel.

Tab<PatchTVert *> tVerts;

This data member is available in release 3.0 and later only.

A table containing pointers to the texture vertices for each channel.

Previous to R4.0 this was a Tab<UVVert *>.

Tab<TVPatch *> tvPatches;

This data member is available in release 3.0 and later only.

A table containing pointers to the texture vertex patches for each channel.

Material Assignment:

DWORD mtlIndex;

The object level material.

Selection:

BitArray vertSel;

The selected vertices.

BitArray edgeSel;

The selected edges.

BitArray patchSel;

The selected patches.

int bezVecVert;

This is used internally.

DWORD dispFlags;

The display attribute flags. See Patch Flags.

DWORD selLevel;

The current selection level. One of the following values:

PATCH_OBJECT - Object level.

PATCH_VERTEX - Vertex level.

PATCH_PATCH - Patch level.

PATCH_EDGE - Edge level.

int cacheSteps;

This data member is available in release 3.0 and later only.

The meshSteps used for the cache.

BOOL cacheAdaptive;

This data member is available in release 3.0 and later only.

The adaptive switch used for the mesh cache.

Tab<Point3> extrudeDeltas;

This data member is available in release 3.0 and later only.

This data member is for internal use only.

Tab<ExtrudeData> extrudeData;

This data member is available in release 3.0 and later only.

This data member is for internal use only.

BitArray bevelEdges;

This data member is available in release 3.0 and later only.

This data member is for internal use only.

Tab<float> edgeDistances;

This data member is available in release 3.0 and later only.

This data member is for internal use only.

Inheritance diagram for PatchMesh:

Public Member Functions
CoreExport int	HookFixTopology ()
CoreExport	PatchMesh ()
CoreExport	PatchMesh (PatchMesh &fromPatch)
CoreExport void	Init ()
CoreExport	~PatchMesh ()
CoreExport PatchMesh &	operator= (PatchMesh &fromPatchMesh)
CoreExport PatchMesh &	operator= (Mesh &fromMesh)
CoreExport void	CopyPatchDataFrom (PatchMesh &fromPatchMesh)
PRVertex &	getRVec (int i)
PRVertex *	getRVecPtr (int i)
CoreExport TVPatch *	mapPatches (int mp) const
CoreExport MtlID	getPatchMtlIndex (int i)
CoreExport void	setPatchMtlIndex (int i, MtlID id)
CoreExport BOOL	buildLinkages (int patch=-1)
CoreExport void	computeInteriors ()
CoreExport void	computeAux ()
CoreExport void	ApplyConstraints (BOOL selOnly=FALSE)
int	GetEdge (int v1, int v12, int v21, int v2, int p)
CoreExport Tab< int >	GetEdge (int v1, int v2) const
CoreExport Tab< int >	GetPatches (int v1, int v2) const
CoreExport Tab< int >	GetPatches (int vert) const
CoreExport Tab< int >	GetEdges (int vert) const
CoreExport Tab< int >	GetVectors (int vert) const
CoreExport BOOL	WeldEdges ()
CoreExport void	ClonePatchParts (BitArray *patches=NULL)
CoreExport void	CreateExtrusion (int type=PATCH_PATCH, BOOL edgeClone=FALSE)
CoreExport void	Attach (PatchMesh *attPatch, int mtlOffset)
CoreExport void	ChangePatchInterior (int index, int type)
CoreExport void	ChangeVertType (int index, int type)
CoreExport BOOL	SelVertsSameType ()
CoreExport BOOL	SelPatchesSameType ()
CoreExport BOOL	ResetVertexTangents (int index)
CoreExport BOOL	ResetVertexTangents (bool useSel=true, const BitArray *vSel=NULL)
CoreExport BOOL	PatchSmoothVector (bool useSel=true, const BitArray *vSel=NULL)
CoreExport BOOL	PatchSmoothVertex (bool useSel=true, const BitArray *vSel=NULL)
CoreExport BOOL	PatchSmoothEdge (bool useSel=true, const BitArray *eSel=NULL)
CoreExport BOOL	PatchSmoothPatch (bool useSel=true, const BitArray *pSel=NULL)
CoreExport void	ShrinkSelection (int type)
CoreExport void	GrowSelection (int type)
CoreExport void	SelectEdgeRing (BitArray &eSel)
CoreExport void	SelectEdgeLoop (BitArray &eSel)
CoreExport void	Dump ()
CoreExport void	PrepareMesh ()
CoreExport void	PrepareUnrelaxedMesh ()
CoreExport Mesh &	GetMesh ()
CoreExport Mesh &	GetUnrelaxedMesh ()
CoreExport int	IntersectRay (Ray &ray, float &at, Point3 &norm)
CoreExport IOResult	Save (ISave *isave)
CoreExport IOResult	Load (ILoad *iload)
CoreExport void	AutoSmooth (float angle, BOOL useSel, BOOL preventIndirectSmoothing)
CoreExport BOOL	SingleEdgesOnly ()
CoreExport BitArray &	GetElement (int index)
CoreExport BaseInterface *	GetInterface (Interface_ID id)
CoreExport void	SetVertexWeightCount (int i)
CoreExport void	SetVertexWeight (int i, float w)
CoreExport float	VertexWeight (int i)
CoreExport bool	VertexWeightSupport ()
CoreExport int	VertexWeightSelectLevel ()
CoreExport int	UseEdgeDists ()
CoreExport void	SetUseEdgeDists (int edgeDist)
CoreExport int	EdgeDist ()
CoreExport void	SetEdgeDist (int edgeDist)
CoreExport int	UseSoftSelections ()
CoreExport void	SetUseSoftSelections (int useSoftSelections)
CoreExport int	AffectBackface ()
CoreExport void	SetAffectBackface (int affectBackface)
CoreExport float	Falloff ()
CoreExport void	SetFalloff (float falloff)
CoreExport float	Pinch ()
CoreExport void	SetPinch (float pinch)
CoreExport float	Bubble ()
CoreExport void	SetBubble (float bubble)
CoreExport void	InvalidateVertexWeights ()
CoreExport void	UpdateVertexDists ()
CoreExport void	UpdateEdgeDists ()
CoreExport void	UpdateVertexWeights ()
CoreExport Point3	VertexNormal (int vIndex)
CoreExport BOOL	Relaxing ()
CoreExport BOOL	SetRelax (BOOL v)
CoreExport BOOL	SetRelaxViewports (BOOL v)
CoreExport BOOL	SetRelaxValue (float v)
CoreExport BOOL	SetRelaxIter (int v)
CoreExport BOOL	SetRelaxBoundary (BOOL v)
CoreExport BOOL	SetRelaxSaddle (BOOL v)
CoreExport BOOL	GetRelax ()
CoreExport BOOL	GetRelaxViewports ()
CoreExport float	GetRelaxValue ()
CoreExport int	GetRelaxIter ()
CoreExport BOOL	GetRelaxBoundary ()
CoreExport BOOL	GetRelaxSaddle ()
Vert Access
CoreExport BOOL	setNumVerts (int ct, BOOL keep=FALSE)
int	getNumVerts (void)
void	setVert (int i, const Point3 &xyz)
void	setVert (int i, float x, float y, float z)
PatchVert &	getVert (int i)
PatchVert *	getVertPtr (int i)
Vector Access
CoreExport BOOL	setNumVecs (int ct, BOOL keep=FALSE)
int	getNumVecs (void)
void	setVec (int i, const Point3 &xyz)
void	setVec (int i, float x, float y, float z)
PatchVec &	getVec (int i)
PatchVec *	getVecPtr (int i)
Patch Access
CoreExport BOOL	setNumPatches (int ct, BOOL keep=FALSE)
int	getNumPatches (void)
Edge Access
CoreExport BOOL	setNumEdges (int ct, BOOL keep=FALSE)
int	getNumEdges (void)
RVert Access
PRVertex &	getRVert (int i)
PRVertex *	getRVertPtr (int i)
TVert Access
BOOL	setNumTVertsChannel (int mp, int ct, BOOL keep=FALSE)
BOOL	setNumTVerts (int ct, BOOL keep=FALSE)
int	getNumTVertsChannel (int mp) const
int	getNumTVerts () const
CoreExport BOOL	setNumMapVerts (int mp, int ct, BOOL keep=FALSE)
CoreExport int	getNumMapVerts (int mp) const
CoreExport PatchTVert *	mapVerts (int mp) const
void	setTVertChannel (int channel, int i, const UVVert &xyz)
void	setTVert (int i, const UVVert &xyz)
void	setTVertChannel (int channel, int i, float x, float y, float z)
void	setTVert (int i, float x, float y, float z)
void	setTVPatchChannel (int channel, int i, TVPatch &tvp)
void	setTVPatch (int i, TVPatch &tvp)
PatchTVert &	getTVertChannel (int channel, int i)
PatchTVert &	getTVert (int i)
PatchTVert *	getTVertPtrChannel (int channel, int i)
PatchTVert *	getTVertPtr (int i)
TVPatch Access
BOOL	setNumTVPatchesChannel (int channel, int ct, BOOL keep=FALSE, int oldCt=0)
BOOL	setNumTVPatches (int ct, BOOL keep=FALSE, int oldCt=0)
CoreExport BOOL	setNumMapPatches (int channel, int ct, BOOL keep=FALSE, int oldCt=0)
TVPatch &	getTVPatchChannel (int channel, int i)
TVPatch &	getTVPatch (int i)
MapVert Access
void	setMapVert (int mp, int i, const UVVert &xyz)
void	setMapVert (int mp, int i, float x, float y, float z)
void	setMapPatch (int mp, int i, const TVPatch &tvp)
PatchTVert &	getMapVert (int mp, int i)
PatchTVert *	getMapVertPtr (int mp, int i)
TVPatch &	getMapPatch (int mp, int i)
Render/Snap/Hit Test
CoreExport void	render (GraphicsWindow *gw, Material *ma, RECT *rp, int compFlags, int numMat=1)
CoreExport BOOL	select (GraphicsWindow *gw, Material *ma, HitRegion *hr, int abortOnHit=FALSE, int numMat=1)
CoreExport void	snap (GraphicsWindow *gw, SnapInfo *snap, IPoint2 *p, Matrix3 &tm)
CoreExport BOOL	SubObjectHitTest (GraphicsWindow *gw, Material *ma, HitRegion *hr, DWORD vflags, SubPatchHitList &hitList, int numMat=1)
Bounding Box Methods
CoreExport void	renderGizmo (GraphicsWindow *gw)
CoreExport void	buildBoundingBox (void)
CoreExport Box3	getBoundingBox (Matrix3 *tm=NULL)
CoreExport void	GetDeformBBox (Box3 &box, Matrix3 *tm=NULL, BOOL useSel=FALSE)
Data Flow Evaluation
CoreExport void	InvalidateGeomCache ()
CoreExport void	InvalidateMesh ()
CoreExport void	InvalidateRelaxedMesh ()
CoreExport void	FreeAll ()
CoreExport void	ShallowCopy (PatchMesh *amesh, ChannelMask channels)
CoreExport void	DeepCopy (PatchMesh *amesh, ChannelMask channels)
CoreExport void	NewAndCopyChannels (ChannelMask channels)
CoreExport void	FreeChannels (ChannelMask channels, int zeroOthers=1)
Display Flags Access
void	SetDispFlag (DWORD f)
DWORD	GetDispFlag (DWORD f)
void	ClearDispFlag (DWORD f)
Selection Access
BitArray &	VecSel ()
BitArray &	VertSel ()
BitArray &	EdgeSel ()
BitArray &	PatchSel ()
CoreExport BitArray	VertexTempSel ()
Tri/Quad Patch Creation
CoreExport BOOL	MakeQuadPatch (int index, int va, int vab, int vba, int vb, int vbc, int vcb, int vc, int vcd, int vdc, int vd, int vda, int vad, int i1, int i2, int i3, int i4, DWORD sm)
CoreExport BOOL	MakeTriPatch (int index, int va, int vab, int vba, int vb, int vbc, int vcb, int vc, int vca, int vac, int i1, int i2, int i3, DWORD sm)
Get/Set Mesh Steps and Adaptive Switch/TessApprox
CoreExport void	SetMeshSteps (int steps)
CoreExport int	GetMeshSteps ()
CoreExport void	SetMeshStepsRender (int steps)
CoreExport int	GetMeshStepsRender ()
CoreExport void	SetShowInterior (BOOL si)
CoreExport BOOL	GetShowInterior ()
CoreExport void	SetUsePatchNormals (BOOL usePatchNorm)
CoreExport BOOL	GetUsePatchNormals ()
CoreExport void	SetAdaptive (BOOL sw)
CoreExport BOOL	GetAdaptive ()
CoreExport void	SetViewTess (TessApprox tess)
CoreExport TessApprox	GetViewTess ()
CoreExport void	SetProdTess (TessApprox tess)
CoreExport TessApprox	GetProdTess ()
CoreExport void	SetDispTess (TessApprox tess)
CoreExport TessApprox	GetDispTess ()
CoreExport BOOL	GetViewTessNormals ()
CoreExport void	SetViewTessNormals (BOOL use)
CoreExport BOOL	GetProdTessNormals ()
CoreExport void	SetProdTessNormals (BOOL use)
CoreExport BOOL	GetViewTessWeld ()
CoreExport void	SetViewTessWeld (BOOL weld)
CoreExport BOOL	GetProdTessWeld ()
CoreExport void	SetProdTessWeld (BOOL weld)
Material/Mapping Access
CoreExport void	setNumMaps (int ct, BOOL keep=TRUE)
int	getNumMaps ()
CoreExport void	setMapSupport (int chan, BOOL init=TRUE)
BOOL	getMapSupport (int mp)
int	NumMapChannels ()
CoreExport void	ApplyUVWMap (int type, float utile, float vtile, float wtile, int uflip, int vflip, int wflip, int cap, const Matrix3 &tm, int channel=1)
CoreExport BOOL	RecordTopologyTags ()
CoreExport void	Transform (Matrix3 &tm)
CoreExport BOOL	Weld (float thresh, BOOL weldIdentical=FALSE, int startVert=0)
CoreExport BOOL	Weld (int fromVert, int toVert)
CoreExport void	DeletePatchParts (BitArray &delVerts, BitArray &delPatches)
CoreExport void	Subdivide (int type, BOOL propagate)
CoreExport void	AddPatch (int type)
CoreExport int	AddHook ()
CoreExport int	AddHook (int index)
CoreExport int	AddHook (int vertIndex, int segIndex)
CoreExport int	RemoveHook ()
CoreExport int	UpdateHooks ()
CoreExport void	ChangePatchToLinearMapping (int index)
CoreExport void	ChangePatchToCurvedMapping (int index)
CoreExport BOOL	ArePatchesLinearMapped (int index)
CoreExport BOOL	ArePatchesCurvedMapped (int index)
Patch Normals Methods
CoreExport Point3	AverageNormals (int type=PATCH_PATCH)
CoreExport Point3	PatchNormal (int index)
CoreExport void	BuildPatchNormals ()
CoreExport void	InvalidatePatchNormals ()
CoreExport Point3	EdgeNormal (int index)
CoreExport void	MoveNormal (float amount, BOOL useLocalNorms, int type)
CoreExport void	FlipPatchNormal (int index)
CoreExport void	UnifyNormals (BOOL useSel)
Bevel Operations
CoreExport void	CreateBevel ()
CoreExport void	Bevel (float amount, int smoothStart, int smoothEnd)
Point3	GetBevelDir (int patchVertID)
Conversion to Mesh
CoreExport void	ComputeMesh (Mesh &m, DWORD convertFlags)
Selection Weights
CoreExport float *	GetVSelectionWeights ()
CoreExport void	SupportVSelectionWeights ()
Public Member Functions inherited from BaseInterfaceServer
virtual UtilExport int	NumInterfaces () const
virtual UtilExport BaseInterface *	GetInterfaceAt (int i) const
virtual UtilExport	~BaseInterfaceServer ()
Public Member Functions inherited from InterfaceServer
virtual UtilExport	~InterfaceServer ()
	Destructor. More...

Public Attributes
int	numVerts
int	numVecs
int	numPatches
int	numEdges
Patch *	patches
PatchVec *	vecs
PatchEdge *	edges
Tab< HookPoint >	hooks
Tab< Point3 >	hookTopoMarkers
Tab< Point3 >	hookTopoMarkersA
Tab< Point3 >	hookTopoMarkersB
Point3 *	normals
BOOL	normalsBuilt
PatchVert *	verts
Tab< int >	numTVerts
Tab< PatchTVert * >	tVerts
Tab< TVPatch * >	tvPatches
BitArray	vecSel
BitArray	vertSel
BitArray	edgeSel
BitArray	patchSel
int	bezVecVert
DWORD	dispFlags
DWORD	selLevel
int	cacheSteps
BOOL	cacheAdaptive
BOOL	unrelaxedMeshValid
BOOL	relaxedMeshValid
Tab< Point3 >	extrudeDeltas
MaxSDK::Array< ExtrudeData >	extrudeData
Tab< Point3 >	edgeNormals
Tab< int >	newEdges
Tab< int >	newVerts
BitArray	bevelEdges
Tab< float >	edgeDistances
float	mFalloff
float	mPinch
float	mBubble
int	mEdgeDist
int	mUseEdgeDist
int	mAffectBackface
int	mUseSoftSelections

Friends
class	Patch

Additional Inherited Members
Static Public Member Functions inherited from MaxHeapOperators
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Protected Attributes inherited from BaseInterfaceServer
Tab< BaseInterface * >	interfaces

Constructor & Destructor Documentation

CoreExport PatchMesh

(

)

Remarks

Constructor. Initializes data members (see Init() below).

CoreExport PatchMesh

(

PatchMesh &

fromPatch

)

Remarks

Constructor. This PatchMesh is initialized from the specified PatchMesh.

CoreExport ~PatchMesh

(

)

Remarks

Destructor. Frees up allocated arrays.

Member Function Documentation

CoreExport int HookFixTopology

(

)

CoreExport void Init

(

)

Remarks

Initializes the data members to default values.

CoreExport PatchMesh& operator=

(

PatchMesh &

fromPatchMesh

)

Remarks

Assignment operator from another PatchMesh.

CoreExport PatchMesh& operator=

(

Mesh &

fromMesh

)

Remarks

Assignment operator. This operator will do the conversion from a Mesh to a PatchMesh. Note that this can get very slow if there are a lot of faces in the mesh. When the system does the conversion is must do a fair amount of work with its interior connection lists. It builds a data base of what is connected to what and makes sure that the PatchMesh doesn't have any places where an edge is used by more than two patches. Also, for every face in the mesh it generates a triangular patch. Therefore use this method with some caution as it can create some very complex PatchMesh objects.

CoreExport void CopyPatchDataFrom

(

PatchMesh &

fromPatchMesh

)

Remarks

This method is available in release 3.0 and later only.

The following is similar to operator=, but just takes the major components, not the display flags, selection level, etc.

Parameters:

PatchMesh &fromPatchMesh

The patch mesh to copy from.

CoreExport BOOL setNumVerts	(	int	ct,
		BOOL	keep = FALSE
	)

Remarks

Sets the number of vertices in the patch mesh.

Parameters:

int ct

The new number of vertices.

BOOL keep = FALSE

If TRUE any old vertices are copied to the new array; otherwise they are freed.

Returns

TRUE if the number of vertices was allocated; otherwise FALSE.

int getNumVerts ( void  )

inline

Remarks

Returns the number of vertices in the patch mesh.

{ return numVerts; }

void setVert ( int  i, const Point3 &  xyz  )

inline

Remarks

Sets the 'i-th' vertex.

Parameters:

int i

The index of the vertex to set.

const Point3 &xyz

The vertex location.

{ verts[i].p = xyz; }

void setVert ( int  i, float  x, float  y, float  z  )

inline

Remarks

Sets the 'i-th' vertex.

Parameters:

int i

The index of the vertex to set.

float x, float y, float z

The vertex location.

{ verts[i].p.x=x; verts[i].p.y=y; verts[i].p.z=z; }

PatchVert& getVert ( int  i )

inline

Remarks

Returns the 'i-th' vertex.

Parameters:

int i

The index of the vertex to retrieve.

{ return verts[i];  }

PatchVert* getVertPtr ( int  i )

inline

Remarks

Returns the address of the 'i-th' vertex.

Parameters:

int i

The index of the vertex.

{ return verts+i; }

CoreExport BOOL setNumVecs	(	int	ct,
		BOOL	keep = FALSE
	)

Remarks

Sets the number of vectors.

Parameters:

int ct

The new vector count.

BOOL keep = FALSE

If TRUE any previous vectors are copied; otherwise they are freed.

Returns

TRUE if the number was allocated and set; otherwise FALSE.

int getNumVecs ( void  )

inline

Remarks

Returns the number of vectors.

{ return numVecs; }

CoreExport BOOL setNumPatches	(	int	ct,
		BOOL	keep = FALSE
	)

Remarks

Sets the number of patches.

Parameters:

int ct

The new patch count.

BOOL keep = FALSE

If TRUE any previous patches are copied; otherwise they are freed.

Returns

TRUE if the number was allocated and set; otherwise FALSE.

int getNumPatches ( void  )

inline

Remarks

Returns the number of patches.

{ return numPatches; }

CoreExport BOOL setNumEdges	(	int	ct,
		BOOL	keep = FALSE
	)

Remarks

Sets the number of edges.

Parameters:

int ct

The new edge count.

BOOL keep = FALSE

If TRUE any previous edges are copied; otherwise they are freed.

Returns

TRUE if the number was allocated and set; otherwise FALSE.

int getNumEdges ( void  )

inline

Remarks

Returns the number of edges.

{ return numEdges; }

void setVec ( int  i, const Point3 &  xyz  )

inline

Remarks

Sets the 'i-th' vector.

Parameters:

int i

The index of the vector to set.

const Point3 &xyz

The vector to set.

{ vecs[i].p = xyz; }

void setVec ( int  i, float  x, float  y, float  z  )

inline

Remarks

Sets the 'i-th' vector.

Parameters:

int i

The index of the vector to set.

float x, float y, float z

The vector values to set.

{ vecs[i].p.x=x; vecs[i].p.y=y; vecs[i].p.z=z; }

PatchVec& getVec ( int  i )

inline

Remarks

Returns the 'i-th' vector.

Parameters:

int i

The index of the vector to retrieve.

{ return vecs[i];  }

PatchVec* getVecPtr ( int  i )

inline

Remarks

Returns the address of the 'i-th' vector.

Parameters:

int i

The index of the vector.

{ return vecs+i; }

PRVertex& getRVert ( int  i )

inline

Remarks

This method is not currently used.

{ return rVerts[i]; }

PRVertex* getRVertPtr ( int  i )

inline

Remarks

This method is not currently used.

{ return rVerts+i; }

PRVertex& getRVec ( int  i )

inline

{ return rVecs[i]; }

PRVertex* getRVecPtr ( int  i )

inline

{ return rVecs+i; }

BOOL setNumTVertsChannel ( int  mp, int  ct, BOOL  keep = FALSE  )

inline

Remarks

This method is available in release 2.0 and later only.

Sets the number of mapping vertices in the original TV map or vertex color channel.

Parameters:

int mp

Specifies the channel. If 0, the number of vertices in the original mapping channel (map channel 1) is set. If nonzero, the number of vertices in the vertex color channel (map channel 0) is set.

int ct

The number of map vertices desired.

BOOL keep=FALSE

If TRUE, any existing mapping verts are copied over into the new array.

Returns

TRUE on success; otherwise FALSE.

{ return setNumMapVerts (mp?0:1, ct, keep); }

BOOL setNumTVerts ( int  ct, BOOL  keep = FALSE  )

inline

Remarks

Sets the number of mapping verts in the original mapping channel (channel 1).

Parameters:

int ct

The number of map vertices desired.

BOOL keep = FALSE

If TRUE, any existing mapping verts are copied over into the new array.

Returns

TRUE if successful, FALSE if unsuccessful.

{ return setNumMapVerts (1, ct, keep); }

int getNumTVertsChannel ( int  mp ) const

inline

Remarks

This method is available in release 2.0 and later only.

Returns the number of mapping verts in the original map or vertex colors.

Parameters:

int mp

If 0, the number of vertices in the original mapping channel (map channel 1) is returned. If nonzero, the number of vertices in the vertex color channel (map channel 0) is returned.

{ return numTVerts[mp?0:1]; }

int getNumTVerts ( ) const

inline

Remarks

Returns the number of mapping vertices in the original mapping channel (channel 1).

{ return getNumMapVerts(1); }

CoreExport BOOL setNumMapVerts	(	int	mp,
		int	ct,
		BOOL	keep = FALSE
	)

Remarks

This method is available in release 3.0 and later only.

Sets the number of mapping verts in the specified mapping channel.

Parameters:

int mp

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int ct

The number of mapping verts desired.

BOOL keep=FALSE

If TRUE any old vertices are copied to the new array; otherwise they are freed.

Returns

TRUE if the number of vertices was allocated; otherwise FALSE.

CoreExport int getNumMapVerts

(

int

mp

)

const

Remarks

This method is available in release 3.0 and later only.

Returns the number of mapping verts in the specified mapping channel.

Parameters:

int mp

In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

CoreExport PatchTVert* mapVerts

(

int

mp

)

const

Remarks

This method is available in release 4.0 and later only.

Returns a pointer to the list of PatchTVerts for the specified channel of this patch.

Parameters:

int mp

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

CoreExport TVPatch* mapPatches

(

int

mp

)

const

BOOL setNumTVPatchesChannel ( int  channel, int  ct, BOOL  keep = FALSE, int  oldCt = 0  )

inline

Remarks

This method is available in release 2.0 and later only.

Sets the number of map patches in the original TV or vertex color channels. (Note that setNumMapPatches() is called from setNumPatches(), so this doesn't need to be called separately once a map channel is active.)

Note:

If the map patches are NULL and keep = TRUE they stay NULL.

If the map patches are NULL and keep = FALSE they are allocated, and map verts also init themselves from the main vert array.

If the map patches are non-NULL and ct = 0 they are set to NULL (and freed)

Parameters:

int channel

If 0, the number of map patches in the original map channel are set. If nonzero, the number of map patches in the vertex color channel is set.

int ct

The number of map patches desired – should match the number of patches.

BOOL keep=FALSE

The keep flag. See above.

int oldCt=0

The old number of patches. This is important for determining how much to copy over when keep is TRUE.

Returns

TRUE if storage has been allocated and the number is set; otherwise FALSE.

{ return setNumMapPatches (channel?0:1, ct, keep, oldCt); }

BOOL setNumTVPatches ( int  ct, BOOL  keep = FALSE, int  oldCt = 0  )

inline

Remarks

Sets the number of map patches in the original TV channel. (Note that setNumMapPatches() is called from setNumPatches(), so this doesn't need to be called separately once a map channel is active.)

Note:

If the map patches are NULL and keep = TRUE they stay NULL.

If the map patches are NULL and keep = FALSE they are allocated, and map verts also init themselves from the main vert array.

If the map patches are non-NULL and ct = 0 they are set to NULL (and freed)

Parameters:

int ct

The number of map patches desired – should match the number of patches.

BOOL keep=FALSE

If TRUE, existing map patches are copied into the new map patch array. oldCt should specify how many patches were around previously.

int oldCt=0

The old number of patches. This is important for determining how much to copy over when keep is TRUE.

Returns

TRUE if storage has been allocated and the number is set; otherwise FALSE.

{ return setNumMapPatches (1, ct, keep, oldCt); }

CoreExport BOOL setNumMapPatches	(	int	channel,
		int	ct,
		BOOL	keep = FALSE,
		int	oldCt = 0
	)

Remarks

This method is available in release 3.0 and later only.

Sets the number of map patches in the specified map channel. (Note that this is called from setNumPatches(), so it doesn't need to be called separately once a map channel is active.)

Note:

If the map patches are NULL and keep = TRUE they stay NULL.

If the map patches are NULL and keep = FALSE they are allocated, and map verts also init themselves from the main vert array.

If the map patches are non-NULL and ct = 0 they are set to NULL (and freed).

Parameters:

int channel

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int ct

The number of map patches desired – should match the number of patches.

BOOL keep=FALSE

If TRUE, existing map patches are copied into the new map patch array. oldCt should specify how many patches were around previously.

int oldCt=0

The old number of patches. This is important for determining how much to copy over when keep is TRUE.

Returns

TRUE if storage has been allocated and the number is set; otherwise FALSE.

void setTVertChannel ( int  channel, int  i, const UVVert &  xyz  )

inline

Remarks

This method is available in release 2.0 and later only.

Sets the 'i-th' map vertex of the specified channel.

Parameters:

int channel

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The index of the map vertex to set.

const UVVert &xyz

The value to set.

{ tVerts[channel?0:1][i] = xyz; }

void setTVert ( int  i, const UVVert &  xyz  )

inline

Remarks

Sets the 'i-th' map vertex.

Parameters:

int i

The index of the map vertex to set.

const UVVert &xyz

The value to set.

{ tVerts[1][i] = xyz; }

void setTVertChannel ( int  channel, int  i, float  x, float  y, float  z  )

inline

Remarks

This method is available in release 2.0 and later only.

Sets the 'i-th' map vertex of the specified channel.

Parameters:

int channel

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The index of the map vertex to set.

float x, float y, float z

The values to set.

{ tVerts[channel?0:1][i].p.x=x; tVerts[channel?0:1][i].p.y=y; tVerts[channel?0:1][i].p.z=z; }

void setTVert ( int  i, float  x, float  y, float  z  )

inline

Remarks

Sets the 'i-th' map vertex.

Parameters:

int i

The index of the map vertex to set.

float x, float y, float z

The values to set.

{ tVerts[1][i].p.x=x; tVerts[1][i].p.y=y; tVerts[1][i].p.z=z; }

void setTVPatchChannel ( int  channel, int  i, TVPatch &  tvp  )

inline

Remarks

This method is available in release 3.0 and later only.

Sets the 'i-th' map patch.

Parameters:

int channel

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The index of the map vertex to set.

TVPatch &tvp

The map patch to set.

{ tvPatches[channel?0:1][i] = tvp; }

void setTVPatch ( int  i, TVPatch &  tvp  )

inline

Remarks

This method is available in release 3.0 and later only.

Sets the specified map patch.

Parameters:

int i

The zero based index of the texture patch to set.

TVPatch &tvp

The map patch to set.

{ tvPatches[1][i] = tvp; }

PatchTVert& getTVertChannel ( int  channel, int  i  )

inline

Remarks

This method is available in release 2.0 and later only.

Previous to R4, this method returned an UVVert&.

Returns the 'i-th' map vertex of the specified channel.

Parameters:

int channel

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The index of the map vertex to retrieve.

{ return tVerts[channel?0:1][i];  }

PatchTVert& getTVert ( int  i )

inline

Remarks

Previous to R4, this method returned an UVVert&.

Returns the 'i-th' map vertex.

Parameters:

int i

The index of the map vertex to retrieve.

{ return tVerts[1][i];  }

PatchTVert* getTVertPtrChannel ( int  channel, int  i  )

inline

Remarks

This method is available in release 2.0 and later only.

Previous to R4, this method returned an UVVert*.

Returns a pointer to the 'i-th' map vertex of the specified channel.

Parameters:

int channel

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The index of the texture vertex.

{ return tVerts[channel?0:1]+i; }

PatchTVert* getTVertPtr ( int  i )

inline

Remarks

Previous to R4, this method returned an UVVert*.

Returns a pointer to the 'i-th' map vertex.

Parameters:

int i

The index of the map vertex.

{ return tVerts[1]+i; }

TVPatch& getTVPatchChannel ( int  channel, int  i  )

inline

Remarks

This method is available in release 2.0 and later only.

Returns the 'i-th' texture patch structure of the specified channel.

Parameters:

int channel

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The index of the TVPatch.

{ return tvPatches[channel?0:1][i];  }

TVPatch& getTVPatch ( int  i )

inline

Remarks

This method is available in release 2.0 and later only.

Returns the 'i-th' texture patch from map channel 1.

Parameters:

int i

The index of the TVPatch.

{ return tvPatches[1][i];  }

void setMapVert ( int  mp, int  i, const UVVert &  xyz  )

inline

Remarks

This method is available in release 3.0 and later only.

Sets the specified mapping vertex in the channel passed.

Parameters:

int mp

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The zero based index of the vert to set.

const UVVert &xyz

The vert to set.

{ mapVerts(mp)[i] = xyz; }

void setMapVert ( int  mp, int  i, float  x, float  y, float  z  )

inline

Remarks

This method is available in release 3.0 and later only.

Sets the specified mapping vertex in the channel passed.

Parameters:

int mp

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The zero based index of the vert to set.

float x

The x coordinate of the vert to set.

float y

The y coordinate of the vert to set.

float z

The z coordinate of the vert to set.

{ Point3 MV(x,y,z); setMapVert (mp, i, MV); }

void setMapPatch ( int  mp, int  i, const TVPatch &  tvp  )

inline

Remarks

This method is available in release 3.0 and later only.

Sets the specified mapping patch in the channel passed.

Parameters:

int mp

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The zero based index of the TVPatch to set.

const TVPatch &tvp

The map patch to set.

{ mapPatches(mp)[i] = tvp; }

PatchTVert& getMapVert ( int  mp, int  i  )

inline

Remarks

This method is available in release 3.0 and later only.

Previous to R4, this method returned an UVVert&.

Returns a reference to the specified mapping vert from the specified channel.

Parameters:

int mp

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The zero based index of the vert to get.

{ return mapVerts(mp)[i]; }

PatchTVert* getMapVertPtr ( int  mp, int  i  )

inline

Remarks

This method is available in release 3.0 and later only.

Previous to R4, this method returned an UVVert*.

Returns a pointer to the specified mapping vert from the specified channel.

Parameters:

int mp

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The zero based index of the vert to get.

{ return mapVerts(mp) + i; }

TVPatch& getMapPatch ( int  mp, int  i  )

inline

Remarks

This method is available in release 3.0 and later only.

Returns a reference to the specified map patch from the specified channel.

Parameters:

int mp

The mapping channel. In this method, 0 is the vertex color channel, and channels 1 through MAX_MESHMAPS-1 are the map channels.

int i

The zero based index of the map patch to get.

{ return mapPatches(mp)[i];  }

CoreExport MtlID getPatchMtlIndex

(

int

i

)

CoreExport void setPatchMtlIndex	(	int	i,
		MtlID	id
	)

CoreExport BOOL buildLinkages

(

int

patch = -1

)

Remarks

This is an important method to call after putting together a PatchMesh. This method does the work to figure out how the PatchMesh is connected together, one patch to another. It determines which edges are used by which patches and so on.

Parameters:

int patch

This option is available in release 4.0 and later only.

This optional parameter allows you to only update adjacency information for a single new patch. If the plugin code is adding new patches and not removing any others then you can call this method with the new patch index and the various adjacency information in vertices, vectors, and edges will be built. If you call this method for the entire object (no parameter or patch < 0) it will destroy all adjacency information and rebuild it from scratch.

Returns

TRUE if the patch mesh is valid, FALSE if it is not.

CoreExport void computeInteriors

(

)

Remarks

This method computes the interior bezier points for each patch in the mesh. This method should be called after any modifications have been made to alter the PatchMesh(for example changes to point positions). If there are any automatic patches this will compute the interior vectors.

CoreExport void computeAux

(

)

CoreExport void render	(	GraphicsWindow *	gw,
		Material *	ma,
		RECT *	rp,
		int	compFlags,
		int	numMat = 1
	)

Remarks

Renders a patch mesh using the specified graphics window and array of materials.

Parameters:

GraphicsWindow *gw

Points to the graphics window to render to.

Material *ma

The list of materials to use to render the patch.

RECT *rp

Specifies the rectangular region to render. If the patch mesh should be rendered to the entire viewport pass NULL.

int compFlags

One or more of the following flags:

COMP_TRANSFORM

Forces recalculation of the model to screen transformation; otherwise attempt to use the cache.

COMP_IGN_RECT

Forces all polygons to be rendered; otherwise only those intersecting the box will be rendered.

COMP_LIGHTING

Forces re-lighting of all vertices (as when a light moves); otherwise only re-light moved vertices

COMP_ALL

All of the above flags.

COMP_OBJSELECTED

If this bit is set then the node being displayed by this mesh is selected. Certain display flags only activate when this bit is set.

COMP_OBJFROZEN

If this bit is set then the node being displayed by this mesh is frozen.

int numMat=1

The number of materials supported.

CoreExport BOOL select	(	GraphicsWindow *	gw,
		Material *	ma,
		HitRegion *	hr,
		int	abortOnHit = FALSE,
		int	numMat = 1
	)

Remarks

Checks the given HitRecord hr to see if it intersects the patch mesh object.

Parameters:

GraphicsWindow *gw

Points to the graphics window to check.

Material *ma

The list of materials for the patch mesh.

HitRegion *hr

This describes the properties of a region used for the hit testing. See Class HitRegion.

int abortOnHit = FALSE

If nonzero, the hit testing is complete after any hit; otherwise all hits are checked.

int numMat=1

The number of materials supported.

Returns

TRUE if the item was hit; otherwise FALSE.

CoreExport void snap	(	GraphicsWindow *	gw,
		SnapInfo *	snap,
		IPoint2 *	p,
		Matrix3 &	tm
	)

Remarks

Checks to see if there is a snap point near the given mouse point.

Parameters:

GraphicsWindow *gw

The graphics window in which to check.

SnapInfo *snap

This structure describes the snap settings used, and the results of the snap test. See Structure SnapInfo.

IPoint2 *p

The mouse point to check.

Matrix3 &tm

The object transformation matrix. This is the transformation to place the object into the world coordinate system.

CoreExport BOOL SubObjectHitTest	(	GraphicsWindow *	gw,
		Material *	ma,
		HitRegion *	hr,
		DWORD	vflags,
		SubPatchHitList &	hitList,
		int	numMat = 1
	)

Remarks

This method may be called to perform sub-object hit testing of the patch mesh.

Parameters:

GraphicsWindow *gw

The graphics window associated with the viewport the patch mesh is being hit tested in.

Material *ma

The list of materials for the patch mesh.

HitRegion *hr

This describes the properties of a region used for the hit testing. See Class HitRegion.

DWORD vflags

Flags for sub object hit testing. One or more of the following values:

SUBHIT_PATCH_SELONLY

Selected only.

SUBHIT_PATCH_UNSELONLY

Unselected only.

SUBHIT_PATCH_ABORTONHIT

Abort hit testing on the first hit found.

SUBHIT_PATCH_SELSOLID

This treats selected items as solid and unselected items as not solid. Treating an item as solid means the patch will be hit if the mouse is anywhere inside the patch region and not just over a visible edge.

SUBHIT_PATCH_VERTS

Hit test vertices.

SUBHIT_PATCH_VECS

Hit test vectors.

SUBHIT_PATCH_PATCHES

Hit test patches.

SUBHIT_PATCH_EDGES

Hit test edges.

SubPatchHitList& hitList

See Class SubPatchHitList.

int numMat=1

The number of materials for the mesh.

Returns

TRUE if the item was hit; otherwise FALSE.

CoreExport void renderGizmo

(

GraphicsWindow *

gw

)

Remarks

This method is available in release 4.0 and later only.

This method will render a 'gizmo' version of the PatchMesh and is used primarily by Editable Patch and Edit Patch to facilitate the Show End Result feature.

Parameters:

GraphicsWindow *gw

The graphics window associated with the viewport the patch mesh gizmo should be shown in.

CoreExport void buildBoundingBox

(

void

)

Remarks

Computes the bounding box of the patch mesh. The bounding box is stored with the patch mesh object, use getBoundingBox() to retrieve it.

CoreExport Box3 getBoundingBox

(

Matrix3 *

tm = NULL

)

Remarks

Retrieves the bounding box of the patch mesh object.

Parameters:

Matrix3 *tm=NULL

The optional TM allows the box to be calculated in any space.

CoreExport void GetDeformBBox	(	Box3 &	box,
		Matrix3 *	tm = NULL,
		BOOL	useSel = FALSE
	)

CoreExport void InvalidateGeomCache

(

)

Remarks

This method should be called when the PatchMesh changes. It invalidates the caches of the patch mesh.

CoreExport void InvalidateMesh

(

)

CoreExport void InvalidateRelaxedMesh

(

)

CoreExport void FreeAll

(

)

Remarks

Frees everything from the patch mesh.

CoreExport void ShallowCopy	(	PatchMesh *	amesh,
		ChannelMask	channels
	)

Remarks

This method is used internally in data flow evaluation.

CoreExport void DeepCopy	(	PatchMesh *	amesh,
		ChannelMask	channels
	)

Remarks

This method is used internally in data flow evaluation.

CoreExport void NewAndCopyChannels

(

ChannelMask

channels

)

Remarks

This method is used internally in data flow evaluation.

CoreExport void FreeChannels	(	ChannelMask	channels,
		int	zeroOthers = 1
	)

Remarks

This method is used internally in data flow evaluation.

void SetDispFlag ( DWORD  f )

inline

Remarks

Sets the state of the specified display flags.

Parameters

f	- The flags to set. See Patch Flags.

{ dispFlags |= f; }

DWORD GetDispFlag ( DWORD  f )

inline

Remarks

Returns the state of the specified display flags.

Parameters

f	- The flags to get. See Patch Flags.

{ return dispFlags & f; }

void ClearDispFlag ( DWORD  f )

inline

Remarks

Clears the specified display flags.

Parameters

f	- The flags to clear. See Patch Flags.

{ dispFlags &= ~f; }

BitArray& VecSel ( )

inline

{ return vecSel; }      // CAL-06/10/03: (FID #1914)

BitArray& VertSel ( )

inline

Remarks

Returns the bits representing the vertex selection status. See the Data Members above. See Class BitArray.

{ return vertSel; }

BitArray& EdgeSel ( )

inline

Remarks

Returns the bits representing the edge selection status. See the Data Members above. See Class BitArray.

{ return edgeSel; }

BitArray& PatchSel ( )

inline

Remarks

Returns the bits representing the patch selection status. See the Data Members above. See Class BitArray.

{ return patchSel; }

CoreExport BitArray VertexTempSel

(

)

Remarks

Constructs a vertex selection list based on the current selection level. For example if the selection level is at object level all the bits are set. If the selection level is at vertex level only the selected vertex bits are set. See Class BitArray.

CoreExport void ApplyConstraints

(

BOOL

selOnly = FALSE

)

Remarks

This method may be called to apply the coplanar constraints to the patch mesh. The constraints may optionally only apply to selected vertices. There is a flag that may be set for a patch vertex (PVERT_COPLANAR). For example, you can set this flag to make a vertex coplanar with its vectors. If this is done, then when this method is called, the patch code will then go through the PatchMesh and find the average plane that is used by the vertex and all the vectors associated with it. It will then constrain all the vectors to lie in this plane (by rotating them so that they lie on the plane). In this way there will be a consistent transition between the patches sharing the vertex.

Parameters:

BOOL selOnly = FALSE

If TRUE the constraints are only applied to the selected vertices; otherwise all vertices.

CoreExport BOOL MakeQuadPatch	(	int	index,
		int	va,
		int	vab,
		int	vba,
		int	vb,
		int	vbc,
		int	vcb,
		int	vc,
		int	vcd,
		int	vdc,
		int	vd,
		int	vda,
		int	vad,
		int	i1,
		int	i2,
		int	i3,
		int	i4,
		DWORD	sm
	)

Remarks

Create a quadrilateral patch given a patch index and a list of all the vertices, vectors, interiors, and a smoothing group.

Parameters:

int index - The index of the patch to create (0>= index < numPatches).

int va - The first vertex.

int vab - Vector ab.

int vba - Vector ba.

int vb - The second vertex.

int vbc - Vector bc.

int vcb - Vector cb.

int vc - The third vertex.

int vcd - Vector cd.

int vdc - Vector dc.

int vd - The fourth vertex.

int vda - Vector da.

int vad - Vector ad.

int i1 - Interior 1.

int i2 - Interior 2.

int i3 - Interior 3.

int i4 - Interior 4.

DWORD sm - The smoothing group.

Returns

TRUE if the patch was created; otherwise FALSE.

CoreExport BOOL MakeTriPatch	(	int	index,
		int	va,
		int	vab,
		int	vba,
		int	vb,
		int	vbc,
		int	vcb,
		int	vc,
		int	vca,
		int	vac,
		int	i1,
		int	i2,
		int	i3,
		DWORD	sm
	)

Remarks

Create a triangular patch given a patch index and a list of all the vertices, vectors, interiors, and a smoothing group.

Parameters:

int index - The index of the patch to create (0>= index < numPatches).

int va - The first vertex.

int vab - Vector ab.

int vba - Vector ba.

int vb - The second vertex.

int vbc - Vector bc.

int vcb - Vector cb.

int vc - The third vertex.

int vca - Vector ca.

int vac - Vector ac.

int i1 - Interior 1.

int i2 - Interior 2.

int i3 - Interior 3.

DWORD sm - The smoothing group.

Returns

TRUE if the patch was created; otherwise FALSE.

CoreExport void SetMeshSteps

(

int

steps

)

Remarks

Sets the number of steps along each edge that determines how fine the mesh is generated off the patch.

Parameters:

int steps

The number of steps to set.

CoreExport int GetMeshSteps

(

)

Remarks

Returns the number of mesh steps.

CoreExport void SetMeshStepsRender

(

int

steps

)

Remarks

This method is available in release 3.0 and later only.

Sets the Surface Render Steps setting.

Parameters:

int steps

The value to set.

CoreExport int GetMeshStepsRender

(

)

Remarks

This method is available in release 3.0 and later only.

Returns the Surface Render Steps setting.

CoreExport void SetShowInterior

(

BOOL

si

)

Remarks

This method is available in release 3.0 and later only.

Sets the 'Show Interior Edges' value.

Parameters:

BOOL si

TRUE for on; FALSE for off.

CoreExport BOOL GetShowInterior

(

)

Remarks

This method is available in release 3.0 and later only.

Returns the 'Show Interior Edge' setting; TRUE if on; FALSE if off.

CoreExport void SetUsePatchNormals

(

BOOL

usePatchNorm

)

CoreExport BOOL GetUsePatchNormals

(

)

CoreExport void SetAdaptive

(

BOOL

sw

)

Remarks

This is currently not used. Reserved for future use.

CoreExport BOOL GetAdaptive

(

)

Remarks

This is currently not used. Reserved for future use.

CoreExport void SetViewTess

(

TessApprox

tess

)

Remarks

This method is available in release 2.0 and later only.

Sets the tessellation approximation object used for viewport rendering.

Parameters:

TessApprox tess

The tessellation approximation object to be used for viewport rendering.

CoreExport TessApprox GetViewTess

(

)

Remarks

This method is available in release 2.0 and later only.

Returns the tessellation approximation object used for rendering in the viewports.

CoreExport void SetProdTess

(

TessApprox

tess

)

Remarks

This method is available in release 2.0 and later only.

Sets the tessellation approximation object used for production rendering.

Parameters:

TessApprox tess

The tessellation approximation object to be used for production rendering.

CoreExport TessApprox GetProdTess

(

)

Remarks

This method is available in release 2.0 and later only.

Returns the tessellation approximation object used for production rendering.

CoreExport void SetDispTess

(

TessApprox

tess

)

Remarks

This method is available in release 3.0 and later only.

Sets the tessellation approximation object used for display in the viewports.

Parameters:

TessApprox tess

The tessellation approximation object to be used for the viewports.

CoreExport TessApprox GetDispTess

(

)

Remarks

This method is available in release 3.0 and later only.

Returns the tessellation approximation object used for display in the viewports.

CoreExport BOOL GetViewTessNormals

(

)

Remarks

This method is available in release 3.0 and later only.

Returns TRUE if normals are used from the viewport tessellator; otherwise FALSE.

CoreExport void SetViewTessNormals

(

BOOL

use

)

Remarks

This method is available in release 3.0 and later only.

Sets if normals are used from the viewport tessellator.

Parameters:

BOOL use

TRUE to use normals; FALSE to not use them.

CoreExport BOOL GetProdTessNormals

(

)

Remarks

This method is available in release 3.0 and later only.

Returns TRUE if normals are used from the production renderer tessellator; otherwise FALSE.

CoreExport void SetProdTessNormals

(

BOOL

use

)

Remarks

This method is available in release 3.0 and later only.

Sets if normals are used from the production renderer tessellator.

CoreExport BOOL GetViewTessWeld

(

)

Remarks

This method is available in release 3.0 and later only.

Returns TRUE if the viewport mesh is welded after tessellation; otherwise FALSE.

CoreExport void SetViewTessWeld

(

BOOL

weld

)

Remarks

This method is available in release 3.0 and later only.

Sets if the viewport mesh is welded after tessellation; otherwise FALSE.

Parameters:

BOOL weld

TRUE to weld; FALSE to not weld.

CoreExport BOOL GetProdTessWeld

(

)

Remarks

This method is available in release 3.0 and later only.

Returns TRUE if the production renderer mesh is welded after tessellation; otherwise FALSE.

CoreExport void SetProdTessWeld

(

BOOL

weld

)

Remarks

This method is available in release 3.0 and later only.

Sets if the production renderer mesh is welded after tessellation; otherwise FALSE.

Parameters:

BOOL weld

TRUE to weld; FALSE to not weld.

int GetEdge	(	int	v1,
		int	v12,
		int	v21,
		int	v2,
		int	p
	)

Remarks

This method is used internally.

CoreExport Tab<int> GetEdge	(	int	v1,
		int	v2
	)		const

CoreExport Tab<int> GetPatches	(	int	v1,
		int	v2
	)		const

CoreExport Tab<int> GetPatches

(

int

vert

)

const

CoreExport Tab<int> GetEdges

(

int

vert

)

const

CoreExport Tab<int> GetVectors

(

int

vert

)

const

CoreExport void setNumMaps	(	int	ct,
		BOOL	keep = TRUE
	)

Remarks

This method is available in release 3.0 and later only.

Set the number of texture maps used by this PatchMesh.

Parameters:

int ct

The number to use. This is a value between 2 and MAX_MESHMAPS-1.

BOOL keep=TRUE

TRUE to keep the old mapping information after the resize; FALSE to discard it.

int getNumMaps ( )

inline

Remarks

This method is available in release 3.0 and later only.

Returns the number of mapping channels in use.

{ return numTVerts.Count(); }

CoreExport void setMapSupport	(	int	chan,
		BOOL	init = TRUE
	)

Remarks

This method is available in release 4.0 and later only.

This method will allocate mapping channels as needed. If the map channel is already present, no action is taken. Otherwise, the additional channels are created.

Parameters:

int chan

Specifies which channel. See Mapping Channels. If zero (special vertex color channel) and init is TRUE, all vertex colors are initialized to white (1,1,1).

BOOL init=TRUE

If TRUE, the channel is initialized to match the PatchMesh's structure.

BOOL getMapSupport ( int  mp )

inline

Remarks

This method is available in release 3.0 and later only.

Returns TRUE if the specified mapping channel is supported; otherwise FALSE.

Parameters:

int mp

Specifies which channel. See Mapping Channels.

{ return ((mp<tvPatches.Count()) && tvPatches[mp]) ? TRUE : FALSE; }

int NumMapChannels ( )

inline

Remarks

This method is available in release 3.0 and later only.

Returns the maximum number of possible mapping channels.

{ return MAX_MESHMAPS; }

CoreExport void ApplyUVWMap	(	int	type,
		float	utile,
		float	vtile,
		float	wtile,
		int	uflip,
		int	vflip,
		int	wflip,
		int	cap,
		const Matrix3 &	tm,
		int	channel = 1
	)

Remarks

This method may be called to map this PatchMesh with UVW mapping coordinates.

Parameters:

int type

The mapping type. One of the following values:

MAP_PLANAR

MAP_CYLINDRICAL

MAP_SPHERICAL

MAP_BALL

MAP_BOX

float utile

Number of tiles in the U direction.

float vtile

Number of tiles in the V direction.

float wtile

Number of tiles in the W direction.

int uflip

If nonzero the U values are mirrored.

int vflip

If nonzero the V values are mirrored.

int wflip

If nonzero the W values are mirrored.

int cap

This is used with MAP_CYLINDRICAL. If nonzero, then any patch normal that is pointing more vertically than horizontally will be mapped using planar coordinates.

const Matrix3 &tm

This defines the mapping space. As each point is mapped, it is multiplied by this matrix, and then it is mapped.

int channel=1

This parameter is available in release 2.0 and later only.

This indicates which channel the mapping is applied to – channel==1 corresponds to the original texture channel. Note that this is a change from what it meant before release 3.0. Previously channel 1 referred to the color per vertex channel (and this parameter defaulted to 0).

CoreExport BOOL RecordTopologyTags

(

)

Remarks

This method tags the points in the patch components to record our topology (this stores identifying values in the various aux2 fields in the Patch). This information can be used after topology-changing operations to remap information tied to vertices, edges and patches.

Returns

Returns TRUE if tagged successfully; otherwise FALSE.

CoreExport void Transform

(

Matrix3 &

tm

)

Remarks

This method is available in release 3.0 and later only.

Transforms the vertices and vectors of the patch mesh, re- computes the interior bezier points for each patch in the mesh and invalidates the geometry cache.

Parameters:

Matrix3 &tm

The matrix to transform with.

CoreExport BOOL Weld	(	float	thresh,
		BOOL	weldIdentical = FALSE,
		int	startVert = 0
	)

Remarks

This method is available in release 3.0 and later only.

This method is used internally.

CoreExport BOOL Weld	(	int	fromVert,
		int	toVert
	)

CoreExport void DeletePatchParts	(	BitArray &	delVerts,
		BitArray &	delPatches
	)

Remarks

This method is available in release 3.0 and later only.

This is a method which may be used to delete sets of verts or patches.

Parameters:

BitArray &delVerts

A bit array with bits set for verts to delete.

BitArray &delPatches

A bit array with bits set for patches set to delete.

CoreExport void Subdivide	(	int	type,
		BOOL	propagate
	)

Remarks

This method is available in release 3.0 and later only.

Subdivides the selected edge or patch.

Parameters:

int type

One of the following values:

SUBDIV_EDGES

Subdivides an edge.

SUBDIV_PATCHES

Subdivides an entire patch

BOOL propagate

TRUE to propagate; FALSE to not propagate.

CoreExport void AddPatch

(

int

type

)

Remarks

This method is available in release 3.0 and later only.

Add a patch of the desired type to each selected edge that doesn't have two patches attached.

Parameters:

int type

One of the following values:

PATCH_TRI

PATCH_QUAD

CoreExport int AddHook

(

)

Remarks

This method is available in release 3.0 and later only.

This method is obsolete and should not be used.

CoreExport int AddHook

(

int

index

)

Remarks

This method is available in release 3.0 and later only.

This method is obsolete and should not be used.

CoreExport int AddHook	(	int	vertIndex,
		int	segIndex
	)

Remarks

This method is available in release 3.0 and later only.

This method is obsolete and should not be used.

CoreExport int RemoveHook

(

)

Remarks

This method is available in release 3.0 and later only.

This method is obsolete and should not be used.

CoreExport int UpdateHooks

(

)

Remarks

This method is available in release 3.0 and later only.

This method is used internally.

CoreExport BOOL WeldEdges

(

)

Remarks

This method is available in release 4.0 and later only.

This method will weld any edges which are selected and have the same endpoints.

Returns

TRUE if any welding took place, otherwise FALSE.

CoreExport void ClonePatchParts

(

BitArray *

patches = NULL

)

Remarks

This method is available in release 4.0 and later only.

This method will copy the patches specified by the BitArray, or by the patch selection set if the BitArray patches pointer is NULL. This method is used by Editable Patch and Edit Patch to facilitate the shift-copy operations.

Parameters:

BitArray *patches

The array containing the series of selected patches.

CoreExport void CreateExtrusion	(	int	type = PATCH_PATCH,
		BOOL	edgeClone = FALSE
	)

Remarks

This method is available in release 3.0 and later only.

This method will create all the necessary geometry for an extrusion operation.

Parameters:

int type

This option is available in release 4.0 and later only.

Specifies the extrusion type, either PATCH_PATCH or PATCH_EDGE. If the extrusion type is set to PATCH_EDGE, then the edgeClone parameter will tell the function to clone the selected edges prior to creating the extrusion geometry.

BOOL edgeClone

This option is available in release 4.0 and later only.

The edge clone flag. If set to TRUE the function will clone the selected edges prior to creating the extrusion geometry.

CoreExport Point3 AverageNormals

(

int

type = PATCH_PATCH

)

Remarks

This method is available in release 3.0 and later only.

This method will allow you to obtain the average normal of all selected patches or edges.

Parameters:

int type

This option is available in release 4.0 and later only.

Specifies if the average normal return is based on all selected patches, using PATCH_PATCH, or all selected edges using PATCH_EDGE.

CoreExport Point3 PatchNormal

(

int

index

)

Remarks

This method is available in release 3.0 and later only.

This method is used internally.

CoreExport void BuildPatchNormals

(

)

CoreExport void InvalidatePatchNormals

(

)

CoreExport Point3 EdgeNormal

(

int

index

)

CoreExport void MoveNormal	(	float	amount,
		BOOL	useLocalNorms,
		int	type
	)

Remarks

This method is used internally.

CoreExport void FlipPatchNormal

(

int

index

)

Remarks

This method is available in release 4.0 and later only.

This method flips the normal of the specified patch. This is done by reordering the vertices. If the PatchMesh has textures assigned to it then the texture patches are processed as well.

Parameters:

int index

The index of the patch for which you want to flip the normal.

CoreExport void UnifyNormals

(

BOOL

useSel

)

Remarks

This method is available in release 4.0 and later only.

This method makes sure the patches in the operation set are all facing the same direction. This is determined by the vertex order around the edges of the patch.

Parameters:

BOOL useSel

If this parameter is set to TRUE, the operation set is the set of selected patches as indicated by the patchSel BitArray. If this parameter is set to FALSE, all patches are processed.

CoreExport void CreateBevel

(

)

Remarks

This method is available in release 3.0 and later only.

This method is used internally.

CoreExport void Bevel	(	float	amount,
		int	smoothStart,
		int	smoothEnd
	)

Remarks

This method is available in release 3.0 and later only.

This method is used internally.

Point3 GetBevelDir

(

int

patchVertID

)

Remarks

This method is available in release 3.0 and later only.

This method is for internal use.

CoreExport void Attach	(	PatchMesh *	attPatch,
		int	mtlOffset
	)

CoreExport void ChangePatchInterior	(	int	index,
		int	type
	)

CoreExport void ChangeVertType	(	int	index,
		int	type
	)

CoreExport BOOL SelVertsSameType

(

)

CoreExport BOOL SelPatchesSameType

(

)

CoreExport BOOL ResetVertexTangents

(

int

index

)

CoreExport BOOL ResetVertexTangents	(	bool	useSel = true,
		const BitArray *	vSel = NULL
	)

CoreExport BOOL PatchSmoothVector	(	bool	useSel = true,
		const BitArray *	vSel = NULL
	)

CoreExport BOOL PatchSmoothVertex	(	bool	useSel = true,
		const BitArray *	vSel = NULL
	)

CoreExport BOOL PatchSmoothEdge	(	bool	useSel = true,
		const BitArray *	eSel = NULL
	)

CoreExport BOOL PatchSmoothPatch	(	bool	useSel = true,
		const BitArray *	pSel = NULL
	)

CoreExport void ShrinkSelection

(

int

type

)

CoreExport void GrowSelection

(

int

type

)

CoreExport void SelectEdgeRing

(

BitArray &

eSel

)

CoreExport void SelectEdgeLoop

(

BitArray &

eSel

)

CoreExport void Dump

(

)

Remarks

This method may be called to dump the patch mesh structure via DebugPrint(). See Troubleshooting.

CoreExport void PrepareMesh

(

)

CoreExport void PrepareUnrelaxedMesh

(

)

CoreExport Mesh& GetMesh

(

)

CoreExport Mesh& GetUnrelaxedMesh

(

)

CoreExport void ComputeMesh	(	Mesh &	m,
		DWORD	convertFlags
	)

Remarks

This method is available in release 4.0 and later only.

This method will produce the mesh version of the PatchMesh.

Parameters:

Mesh& msh

The mesh in which the resulting mesh should be stored.

DWORD convertFlags

The flags modifying the mesh process.

PATCH_CONVERT_KEEPSEL

This flag indicates that the subobject vertex and patch selections in the PatchMesh should be converted to subobject vertex and face selections in the mesh.

PATCH_CONVERT_USESOFTSEL

This flag indicates that soft selections should be used in the mesh to interpolate between selected and nonselected vertices. (Soft Selections cannot be based on edge or patch selection in the PatchMesh, only vertex selection.)

CoreExport int IntersectRay	(	Ray &	ray,
		float &	at,
		Point3 &	norm
	)

Remarks

This method is available in release 3.0 and later only.

Calculates the intersection of the specified ray with this patch mesh object. This method calls the method of the same name on the Mesh cache.

Parameters:

Ray& ray

Specifies the origin and direction of the ray to intersect with the patch mesh. See Class Ray.

float& at

The computed point of intersection on the surface of the patch mesh.

Point3& norm

The face normal at the point of intersection (at).

Returns

Nonzero if the ray intersected the mesh object; otherwise 0. Note that this method ignores backfaces when computing the result.

CoreExport IOResult Save

(

ISave *

isave

)

CoreExport IOResult Load

(

ILoad *

iload

)

CoreExport void AutoSmooth	(	float	angle,
		BOOL	useSel,
		BOOL	preventIndirectSmoothing
	)

Remarks

This method is available in release 4.0 and later only.

This method will perform automatic smoothing on the patch mesh. The smoothing angle is determined for each patch by computing the normals at each corner of the patch (using the corner vertex and the two edge vectors connected to that vertex), then averaging the normals of the two corners of each edge to arrive at a normal for that edge. These normals are used to determine whether adjacent patches are within the auto-smooth threshold angle.

Parameters:

float angle

The minimum angle between surface normals for smoothing to be applied, in radians.

BOOL useSel

If this parameter is set to TRUE then only the selected patches are smoothed.

BOOL preventIndirectSmoothing

TRUE to turn on; FALSE to leave it off. This matches the option in the Smooth Modifier UI – use this to prevent smoothing 'leaks" when using this method. If you use this method, and portions of the patch mesh that should not be smoothed become smoothed, then try this option to see if it will correct the problem. Note that the problem it corrects is rare, and that checking this slows the automatic smoothing process.

CoreExport void ChangePatchToLinearMapping

(

int

index

)

Remarks

This method is available in release 4.0 and later only.

This method changes the mapping of a patch or all selected patches to linear.

Parameters:

int index

The index of the patch for which to change the mapping to linear. A value < 0 indicates all selected patches are to be changed to linear mapping.

CoreExport void ChangePatchToCurvedMapping

(

int

index

)

Remarks

This method is available in release 4.0 and later only.

This method changes the mapping of a patch or all selected patches to curved.

Parameters:

int index

The index of the patch for which to change the mapping to curved. A value < 0 indicates all selected patches are to be changed to curved mapping.

CoreExport BOOL ArePatchesLinearMapped

(

int

index

)

Remarks

This method is available in release 4.0 and later only.

This method will check if one or all selected patches have linear mapping applied.

Parameters:

int index

The index of the patch for which to check if mapping is linear. A value < 0 indicates all selected patches are checked for linear mapping.

Returns

TRUE if the specified patch or selected patches have linear mapping applied, otherwise FALSE.

CoreExport BOOL ArePatchesCurvedMapped

(

int

index

)

Remarks

This method is available in release 4.0 and later only.

This method will check if one or all selected patches have curved mapping applied.

Parameters:

int index

The index of the patch for which to check if mapping is curved. A value < 0 indicates all selected patches are checked for curved mapping.

Returns

TRUE if the specified patch or selected patches have curved mapping applied, otherwise FALSE.

CoreExport BOOL SingleEdgesOnly

(

)

Remarks

This method is available in release 4.0 and later only.

This method examines the selected edges and will return TRUE if all selected edges are used by only one single patch. If the method returns FALSE, there are no edges selected or any of the selected edges are used by more than one single patch.

CoreExport BitArray& GetElement

(

int

index

)

Remarks

This method is available in release 4.0 and later only.

This method will return a BitArray that defines the group of patches defining an element that contains the patch indicated by the specified index. A PatchMesh element is any set of patches sharing common vertices.

Parameters:

int index

The patch index for which to return the element.

CoreExport BaseInterface* GetInterface ( Interface_ID  id )

virtual

Remarks

This method returns a pointer to the BaseInterface of the specified interface.

Parameters:

Interface_ID id

The interface ID for which to return the BaseInterface.

Reimplemented from BaseInterfaceServer.

CoreExport void SetVertexWeightCount

(

int

i

)

CoreExport void SetVertexWeight ( int  i, float  w  )

inline

{ assert( mpVertexWeights ); if ( i >= numVertexWeights ) return; mpVertexWeights[i] = w; }

CoreExport float VertexWeight ( int  i )

inline

{ if ( !mpVertexWeights ) return 0.0f; if ( i >= numVertexWeights ) return 0.0f; return mpVertexWeights[i]; }

CoreExport bool VertexWeightSupport ( )

inline

{ if ( mpVertexWeights ) return true; return false; }

CoreExport float* GetVSelectionWeights ( )

inline

Remarks

This method is available in release 4.0 and later only.

This method provides direct access to the vertex weights array and is included to match a similar function in the Mesh class.

Returns

A pointer to the vertex weights array.

Default Implementation:

{ return mpVertexWeights; }

{ return mpVertexWeights; }

CoreExport void SupportVSelectionWeights

(

)

Remarks

This method is available in release 4.0 and later only.

This method allocates a vertex weights array, if none is currently allocated. This method is included to match a similar function in the Mesh class.

CoreExport int VertexWeightSelectLevel ( )

inline

{ return mVertexWeightSelectLevel; } 

CoreExport int UseEdgeDists

(

)

CoreExport void SetUseEdgeDists

(

int

edgeDist

)

CoreExport int EdgeDist

(

)

CoreExport void SetEdgeDist

(

int

edgeDist

)

CoreExport int UseSoftSelections

(

)

CoreExport void SetUseSoftSelections

(

int

useSoftSelections

)

CoreExport int AffectBackface

(

)

CoreExport void SetAffectBackface

(

int

affectBackface

)

CoreExport float Falloff

(

)

CoreExport void SetFalloff

(

float

falloff

)

CoreExport float Pinch

(

)

CoreExport void SetPinch

(

float

pinch

)

CoreExport float Bubble

(

)

CoreExport void SetBubble

(

float

bubble

)

CoreExport void InvalidateVertexWeights

(

)

CoreExport void UpdateVertexDists

(

)

CoreExport void UpdateEdgeDists

(

)

CoreExport void UpdateVertexWeights

(

)

CoreExport Point3 VertexNormal

(

int

vIndex

)

CoreExport BOOL Relaxing

(

)

CoreExport BOOL SetRelax

(

BOOL

v

)

CoreExport BOOL SetRelaxViewports

(

BOOL

v

)

CoreExport BOOL SetRelaxValue

(

float

v

)

CoreExport BOOL SetRelaxIter

(

int

v

)

CoreExport BOOL SetRelaxBoundary

(

BOOL

v

)

CoreExport BOOL SetRelaxSaddle

(

BOOL

v

)

CoreExport BOOL GetRelax

(

)

CoreExport BOOL GetRelaxViewports

(

)

CoreExport float GetRelaxValue

(

)

CoreExport int GetRelaxIter

(

)

CoreExport BOOL GetRelaxBoundary

(

)

CoreExport BOOL GetRelaxSaddle

(

)

Friends And Related Function Documentation

friend class Patch

friend

Member Data Documentation

int numVerts

int numVecs

int numPatches

int numEdges

Patch* patches

PatchVec* vecs

PatchEdge* edges

Tab<HookPoint> hooks

Tab<Point3> hookTopoMarkers

Tab<Point3> hookTopoMarkersA

Tab<Point3> hookTopoMarkersB

Point3* normals

BOOL normalsBuilt

PatchVert* verts

Tab<int> numTVerts

Tab<PatchTVert *> tVerts

Tab<TVPatch *> tvPatches

BitArray vecSel

BitArray vertSel

BitArray edgeSel

BitArray patchSel

int bezVecVert

DWORD dispFlags

DWORD selLevel

int cacheSteps

BOOL cacheAdaptive

BOOL unrelaxedMeshValid

BOOL relaxedMeshValid

Tab<Point3> extrudeDeltas

MaxSDK::Array<ExtrudeData> extrudeData

Tab<Point3> edgeNormals

Tab<int> newEdges

Tab<int> newVerts

BitArray bevelEdges

Tab<float> edgeDistances

float mFalloff

float mPinch

float mBubble

int mEdgeDist

int mUseEdgeDist

int mAffectBackface

int mUseSoftSelections