forked from bartvdbraak/blender
140 lines
4.7 KiB
C
140 lines
4.7 KiB
C
/*
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2011 Blender Foundation.
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* All rights reserved.
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*
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* Contributor(s): Sergey Sharybin
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef RECAST_C_API_H
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#define RECAST_C_API_H
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// for size_t
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct recast_polyMesh;
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struct recast_polyMeshDetail;
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struct recast_heightfield;
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struct recast_compactHeightfield;
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struct recast_contourSet;
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enum recast_SpanFlags
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{
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RECAST_WALKABLE = 0x01,
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RECAST_REACHABLE = 0x02
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};
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int recast_buildMeshAdjacency(unsigned short* polys, const int npolys,
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const int nverts, const int vertsPerPoly);
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void recast_calcBounds(const float *verts, int nv, float *bmin, float *bmax);
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void recast_calcGridSize(const float *bmin, const float *bmax, float cs, int *w, int *h);
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struct recast_heightfield *recast_newHeightfield(void);
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void recast_destroyHeightfield(struct recast_heightfield *heightfield);
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int recast_createHeightfield(struct recast_heightfield *hf, int width, int height,
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const float *bmin, const float* bmax, float cs, float ch);
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void recast_markWalkableTriangles(const float walkableSlopeAngle,const float *verts, int nv,
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const int *tris, int nt, unsigned char *flags);
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void recast_rasterizeTriangles(const float *verts, int nv, const int *tris,
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const unsigned char *flags, int nt, struct recast_heightfield *solid);
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void recast_filterLedgeSpans(const int walkableHeight, const int walkableClimb,
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struct recast_heightfield *solid);
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void recast_filterWalkableLowHeightSpans(int walkableHeight, struct recast_heightfield *solid);
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void recast_filterLowHangingWalkableObstacles(const int walkableClimb, struct recast_heightfield *solid);
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struct recast_compactHeightfield *recast_newCompactHeightfield(void);
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void recast_destroyCompactHeightfield(struct recast_compactHeightfield *compactHeightfield);
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int recast_buildCompactHeightfield(const int walkableHeight, const int walkableClimb,
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struct recast_heightfield *hf, struct recast_compactHeightfield *chf);
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int recast_erodeWalkableArea(int radius, struct recast_compactHeightfield *chf);
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int recast_buildDistanceField(struct recast_compactHeightfield *chf);
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int recast_buildRegions(struct recast_compactHeightfield *chf, int borderSize,
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int minRegionSize, int mergeRegionSize);
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/* Contour set */
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struct recast_contourSet *recast_newContourSet(void);
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void recast_destroyContourSet(struct recast_contourSet *contourSet);
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int recast_buildContours(struct recast_compactHeightfield *chf,
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const float maxError, const int maxEdgeLen, struct recast_contourSet *cset);
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/* Poly mesh */
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struct recast_polyMesh *recast_newPolyMesh(void);
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void recast_destroyPolyMesh(struct recast_polyMesh *polyMesh);
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int recast_buildPolyMesh(struct recast_contourSet *cset, int nvp, struct recast_polyMesh *mesh);
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unsigned short *recast_polyMeshGetVerts(struct recast_polyMesh *mesh, int *nverts);
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void recast_polyMeshGetBoundbox(struct recast_polyMesh *mesh, float *bmin, float *bmax);
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void recast_polyMeshGetCell(struct recast_polyMesh *mesh, float *cs, float *ch);
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unsigned short *recast_polyMeshGetPolys(struct recast_polyMesh *mesh, int *npolys, int *nvp);
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/* Poly mesh detail */
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struct recast_polyMeshDetail *recast_newPolyMeshDetail(void);
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void recast_destroyPolyMeshDetail(struct recast_polyMeshDetail *polyMeshDetail);
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int recast_buildPolyMeshDetail(const struct recast_polyMesh *mesh, const struct recast_compactHeightfield *chf,
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const float sampleDist, const float sampleMaxError, struct recast_polyMeshDetail *dmesh);
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float *recast_polyMeshDetailGetVerts(struct recast_polyMeshDetail *mesh, int *nverts);
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unsigned char *recast_polyMeshDetailGetTris(struct recast_polyMeshDetail *mesh, int *ntris);
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unsigned int *recast_polyMeshDetailGetMeshes(struct recast_polyMeshDetail *mesh, int *nmeshes);
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/* utility function: quick sort reentrant */
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typedef int recast_cmp_t(void *ctx, const void *a, const void *b);
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void recast_qsort(void *a, size_t n, size_t es, void *thunk, recast_cmp_t *cmp);
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#ifdef __cplusplus
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}
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#endif
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#endif // RECAST_C_API_H
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