navmesh: convert object_navmesh.cpp to plain c.

1 files changed, 86 insertions, 0 deletions

diff --git a/extern/recastnavigation/recast-capi.h b/extern/recastnavigation/recast-capi.h
index 0d20fdf9981..58fe08e6335 100644
--- a/extern/recastnavigation/recast-capi.h
+++ b/extern/recastnavigation/recast-capi.h
@@ -32,9 +32,95 @@
 extern "C" {
 #endif
 
+struct recast_polyMesh;
+struct recast_polyMeshDetail;
+struct recast_heightfield;
+struct recast_compactHeightfield;
+struct recast_contourSet;
+
+enum recast_SpanFlags
+{
+	RECAST_WALKABLE = 0x01,
+	RECAST_REACHABLE = 0x02
+};
+
 int recast_buildMeshAdjacency(unsigned short* polys, const int npolys,
 			const int nverts, const int vertsPerPoly);
 
+void recast_calcBounds(const float *verts, int nv, float *bmin, float *bmax);
+
+void recast_calcGridSize(const float *bmin, const float *bmax, float cs, int *w, int *h);
+
+struct recast_heightfield *recast_newHeightfield(void);
+
+void recast_destroyHeightfield(struct recast_heightfield *heightfield);
+
+int recast_createHeightfield(struct recast_heightfield *hf, int width, int height,
+			const float *bmin, const float* bmax, float cs, float ch);
+
+void recast_markWalkableTriangles(const float walkableSlopeAngle,const float *verts, int nv,
+			const int *tris, int nt, unsigned char *flags);
+
+void recast_rasterizeTriangles(const float *verts, int nv, const int *tris,
+			const unsigned char *flags, int nt, struct recast_heightfield *solid);
+
+void recast_filterLedgeSpans(const int walkableHeight, const int walkableClimb,
+			struct recast_heightfield *solid);
+
+void recast_filterWalkableLowHeightSpans(int walkableHeight, struct recast_heightfield *solid);
+
+struct recast_compactHeightfield *recast_newCompactHeightfield(void);
+
+void recast_destroyCompactHeightfield(struct recast_compactHeightfield *compactHeightfield);
+
+int recast_buildCompactHeightfield(const int walkableHeight, const int walkableClimb,
+			unsigned char flags, struct recast_heightfield *hf, struct recast_compactHeightfield *chf);
+
+int recast_buildDistanceField(struct recast_compactHeightfield *chf);
+
+int recast_buildRegions(struct recast_compactHeightfield *chf, int walkableRadius, int borderSize,
+	int minRegionSize, int mergeRegionSize);
+
+/* Contour set */
+
+struct recast_contourSet *recast_newContourSet(void);
+
+void recast_destroyContourSet(struct recast_contourSet *contourSet);
+
+int recast_buildContours(struct recast_compactHeightfield *chf,
+			const float maxError, const int maxEdgeLen, struct recast_contourSet *cset);
+
+/* Poly mesh */
+
+struct recast_polyMesh *recast_newPolyMesh(void);
+
+void recast_destroyPolyMesh(struct recast_polyMesh *polyMesh);
+
+int recast_buildPolyMesh(struct recast_contourSet *cset, int nvp, struct recast_polyMesh *mesh);
+
+unsigned short *recast_polyMeshGetVerts(struct recast_polyMesh *mesh, int *nverts);
+
+void recast_polyMeshGetBoundbox(struct recast_polyMesh *mesh, float *bmin, float *bmax);
+
+void recast_polyMeshGetCell(struct recast_polyMesh *mesh, float *cs, float *ch);
+
+unsigned short *recast_polyMeshGetPolys(struct recast_polyMesh *mesh, int *npolys, int *nvp);
+
+/* Poly mesh detail */
+
+struct recast_polyMeshDetail *recast_newPolyMeshDetail(void);
+
+void recast_destroyPolyMeshDetail(struct recast_polyMeshDetail *polyMeshDetail);
+
+int recast_buildPolyMeshDetail(const struct recast_polyMesh *mesh, const struct recast_compactHeightfield *chf,
+			const float sampleDist, const float sampleMaxError, struct recast_polyMeshDetail *dmesh);
+
+float *recast_polyMeshDetailGetVerts(struct recast_polyMeshDetail *mesh, int *nverts);
+
+unsigned char *recast_polyMeshDetailGetTris(struct recast_polyMeshDetail *mesh, int *ntris);
+
+unsigned short *recast_polyMeshDetailGetMeshes(struct recast_polyMeshDetail *mesh, int *nmeshes);
+
 #ifdef __cplusplus
 }
 #endif