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Diffstat (limited to 'utils/common/mstristrip.h')
| -rw-r--r-- | utils/common/mstristrip.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/utils/common/mstristrip.h b/utils/common/mstristrip.h new file mode 100644 index 0000000..55c9319 --- /dev/null +++ b/utils/common/mstristrip.h @@ -0,0 +1,43 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +// $NoKeywords: $ +// +//=============================================================================// +//----------------------------------------------------------------------------- +// FILE: TRISTRIP.H +// +// Desc: tristrip header file +// +// Copyright (c) 1999-2000 Microsoft Corporation. All rights reserved. +//----------------------------------------------------------------------------- + +typedef unsigned short WORD; + +// +// Main Stripify routine. Returns number of strip indices contained +// in ppstripindices. Caller must delete [] ppstripindices. +// +int Stripify( + int numtris, // Number of triangles + WORD *ptriangles, // triangle indices pointer + int *pnumindices, // number of indices in ppstripindices (out) + WORD **ppstripindices // triangle strip indices +); + +// +// Re-arrange vertices so that they occur in the order that they are first +// used. This function doesn't actually move vertex data around, it returns +// an array that specifies where in the new vertex array each old vertex +// should go. It also re-maps the strip indices to use the new vertex +// locations. Caller must delete [] pVertexPermutation. +// +void ComputeVertexPermutation +( + int numstripindices, // Number of strip indices + WORD *pstripindices, // Strip indices + int *pnumverts, // Number of verts (in and out) + WORD **ppvertexpermutation // Map from orignal index to remapped index +); + |