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  3. FCompactMaps

FCompactMaps

Stores index remapping for vertices and triangles.

API > API/Runtime > API/Runtime/GeometryCore > API/Runtime/GeometryCore/Util

References

   
Module GeometryCore
Header /Engine/Source/Runtime/GeometryCore/Public/Util/CompactMaps.h
Include #include "Util/CompactMaps.h"

Syntax

class FCompactMaps

Remarks

Stores index remapping for vertices and triangles. Should only be used for compacting, and should maintain invariant that *Map[Idx] <= Idx for all maps

Functions

  Type Name Description
Public function Const int32

GetTriangleMapping ( int32 FromID
)

 Get mapping for a triangle
Public function Const FIndex3i Get mapping for three vertices, e.g. a triangle
Public function Const int32

GetVertexMapping ( int32 FromID
)

 Get mapping for a vertex
Public function Const int32 Get number of triangle mappings
Public function Const int32 Get number of vertex mappings
Public function void

Reset ()

 Reset all maps, leaving them empty
Public function void

Reset ( int32 NumVertMappings,
int32 NumTriMappings,
bool bInitializeWithInvalidID
)

 Resize vertex and triangle maps, and initialize with InvalidID.
Public function void

ResetTriangleMap ( int32 NumTriMappings,
bool bInitializeWithInvalidID
)

 Resize triangle map, and optionally initialize with InvalidID.
Public function void

ResetVertexMap ( int32 NumVertMappings,
bool bInitializeWithInvalidID
)

 Resize vertex map, and optionally initialize with InvalidID.
Public function void

SetIdentity ( int32 NumVertMappings,
int32 NumTriMappings
)

 Set up maps as identity maps.
Public function void

SetIdentityTriangleMap ( int32 NumTriMappings
)

 Set up triangle map as identity map.
Public function void

SetIdentityVertexMap ( int32 NumVertMappings
)

 Set up vertex map as identity map.
Public function void

SetTriangleMapping ( int32 FromID,
int32 ToID
)

 Set mapping for a triangle
Public function void

SetVertexMapping ( int32 FromID,
int32 ToID
)

 Set mapping for a vertex
Public function Const bool Returns true if there are triangle mappings.
Public function Const bool Check data for validity; for testing
Public function Const bool Returns true if there are vertex mappings.

Constants

Name Description
InvalidID  

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