Core/MMAPs: Update recast

Update recast from https://github.com/memononen/recastnavigation/commit/1be9de72d87dcfdecf6bea30f5461745f7d7afe6 to https://github.com/memononen/recastnavigation/commit/740a7ba51600a3c87ce5667ae276a38284a1ce75 .
This differs from https://github.com/TrinityCore/TrinityCore/commit/aa645683b8b25bfb35cb977678daf5c56c1531e6 because it includes a fix https://github.com/memononen/recastnavigation/commit/77ebf643531c90ea712b496e23c48f0b0671f43d which correctly extract tile connections when using rcMergePolyMeshes(), used by mmaps_generator.
MMAPs version is now set to 5.

Re-extract MMAPs using mmaps_generator , any old extracted MMAPs will not work.

1 files changed, 34 insertions, 16 deletions

diff --git a/dep/recastnavigation/Recast/Recast.cpp b/dep/recastnavigation/Recast/Recast.cpp
index 922c9163c13..b9d86036c3f 100644
--- a/dep/recastnavigation/Recast/Recast.cpp
+++ b/dep/recastnavigation/Recast/Recast.cpp
@@ -109,6 +109,28 @@ void rcFreeCompactHeightfield(rcCompactHeightfield* chf)
 	rcFree(chf);
 }
 
+
+rcHeightfieldLayerSet* rcAllocHeightfieldLayerSet()
+{
+	rcHeightfieldLayerSet* lset = (rcHeightfieldLayerSet*)rcAlloc(sizeof(rcHeightfieldLayerSet), RC_ALLOC_PERM);
+	memset(lset, 0, sizeof(rcHeightfieldLayerSet));
+	return lset;
+}
+
+void rcFreeHeightfieldLayerSet(rcHeightfieldLayerSet* lset)
+{
+	if (!lset) return;
+	for (int i = 0; i < lset->nlayers; ++i)
+	{
+		rcFree(lset->layers[i].heights);
+		rcFree(lset->layers[i].areas);
+		rcFree(lset->layers[i].cons);
+	}
+	rcFree(lset->layers);
+	rcFree(lset);
+}
+
+
 rcContourSet* rcAllocContourSet()
 {
 	rcContourSet* cset = (rcContourSet*)rcAlloc(sizeof(rcContourSet), RC_ALLOC_PERM);
@@ -186,12 +208,11 @@ void rcCalcGridSize(const float* bmin, const float* bmax, float cs, int* w, int*
 /// See the #rcConfig documentation for more information on the configuration parameters.
 /// 
 /// @see rcAllocHeightfield, rcHeightfield 
-bool rcCreateHeightfield(rcContext* /*ctx*/, rcHeightfield& hf, int width, int height,
+bool rcCreateHeightfield(rcContext* ctx, rcHeightfield& hf, int width, int height,
 						 const float* bmin, const float* bmax,
 						 float cs, float ch)
 {
-	// TODO: VC complains about unref formal variable, figure out a way to handle this better.
-//	rcAssert(ctx);
+	rcIgnoreUnused(ctx);
 	
 	hf.width = width;
 	hf.height = height;
@@ -223,13 +244,12 @@ static void calcTriNormal(const float* v0, const float* v1, const float* v2, flo
 /// See the #rcConfig documentation for more information on the configuration parameters.
 /// 
 /// @see rcHeightfield, rcClearUnwalkableTriangles, rcRasterizeTriangles
-void rcMarkWalkableTriangles(rcContext* /*ctx*/, const float walkableSlopeAngle,
+void rcMarkWalkableTriangles(rcContext* ctx, const float walkableSlopeAngle,
 							 const float* verts, int /*nv*/,
 							 const int* tris, int nt,
 							 unsigned char* areas)
 {
-	// TODO: VC complains about unref formal variable, figure out a way to handle this better.
-//	rcAssert(ctx);
+	rcIgnoreUnused(ctx);
 	
 	const float walkableThr = cosf(walkableSlopeAngle/180.0f*RC_PI);
 
@@ -253,13 +273,12 @@ void rcMarkWalkableTriangles(rcContext* /*ctx*/, const float walkableSlopeAngle,
 /// See the #rcConfig documentation for more information on the configuration parameters.
 /// 
 /// @see rcHeightfield, rcClearUnwalkableTriangles, rcRasterizeTriangles
-void rcClearUnwalkableTriangles(rcContext* /*ctx*/, const float walkableSlopeAngle,
+void rcClearUnwalkableTriangles(rcContext* ctx, const float walkableSlopeAngle,
 								const float* verts, int /*nv*/,
 								const int* tris, int nt,
 								unsigned char* areas)
 {
-	// TODO: VC complains about unref formal variable, figure out a way to handle this better.
-//	rcAssert(ctx);
+	rcIgnoreUnused(ctx);
 	
 	const float walkableThr = cosf(walkableSlopeAngle/180.0f*RC_PI);
 	
@@ -275,10 +294,9 @@ void rcClearUnwalkableTriangles(rcContext* /*ctx*/, const float walkableSlopeAng
 	}
 }
 
-int rcGetHeightFieldSpanCount(rcContext* /*ctx*/, rcHeightfield& hf)
+int rcGetHeightFieldSpanCount(rcContext* ctx, rcHeightfield& hf)
 {
-	// TODO: VC complains about unref formal variable, figure out a way to handle this better.
-//	rcAssert(ctx);
+	rcIgnoreUnused(ctx);
 	
 	const int w = hf.width;
 	const int h = hf.height;
@@ -417,13 +435,13 @@ bool rcBuildCompactHeightfield(rcContext* ctx, const int walkableHeight, const i
 						if ((top - bot) >= walkableHeight && rcAbs((int)ns.y - (int)s.y) <= walkableClimb)
 						{
 							// Mark direction as walkable.
-							const int idx = k - (int)nc.index;
-							if (idx < 0 || idx > MAX_LAYERS)
+							const int lidx = k - (int)nc.index;
+							if (lidx < 0 || lidx > MAX_LAYERS)
 							{
-								tooHighNeighbour = rcMax(tooHighNeighbour, idx);
+								tooHighNeighbour = rcMax(tooHighNeighbour, lidx);
 								continue;
 							}
-							rcSetCon(s, dir, idx);
+							rcSetCon(s, dir, lidx);
 							break;
 						}
 					}