server_common/recastnavigation_v1.6.0
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Fix rcMergePolyMeshes() ignoring portals of input meshes.

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Copy the portals from input meshes on border to the output mesh.
This commit is contained in:
jackpoz 2014-02-19 21:00:14 +01:00
parent 19e2d8dbe6
commit 77ebf64353
1 changed files with 36 additions and 0 deletions
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36
Recast/Source/RecastMesh.cpp
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@ -1324,6 +1324,12 @@ bool rcMergePolyMeshes(rcContext* ctx, rcPolyMesh** meshes, const int nmeshes, r
const unsigned short ox = (unsigned short)floorf((pmesh->bmin[0]-mesh.bmin[0])/mesh.cs+0.5f);
const unsigned short oz = (unsigned short)floorf((pmesh->bmin[2]-mesh.bmin[2])/mesh.cs+0.5f);
bool isMinX = (ox == 0);
bool isMinZ = (oz == 0);
bool isMaxX = ((unsigned short)floorf((mesh.bmax[0] - pmesh->bmax[0]) / mesh.cs + 0.5f)) == 0;
bool isMaxZ = ((unsigned short)floorf((mesh.bmax[2] - pmesh->bmax[2]) / mesh.cs + 0.5f)) == 0;
bool isOnBorder = (isMinX || isMinZ || isMaxX || isMaxZ);
for (int j = 0; j < pmesh->nverts; ++j)
{
unsigned short* v = &pmesh->verts[j*3];
@ -1344,6 +1350,36 @@ bool rcMergePolyMeshes(rcContext* ctx, rcPolyMesh** meshes, const int nmeshes, r
if (src[k] == RC_MESH_NULL_IDX) break;
tgt[k] = vremap[src[k]];
}
if (isOnBorder)
{
for (int k = mesh.nvp; k < mesh.nvp * 2; ++k)
{
if (src[k] & 0x8000 && src[k] != 0xffff)
{
unsigned short dir = src[k] & 0xf;
switch (dir)
{
case 0: // Portal x-
if (isMinX)
tgt[k] = src[k];
break;
case 1: // Portal z+
if (isMaxZ)
tgt[k] = src[k];
break;
case 2: // Portal x+
if (isMaxX)
tgt[k] = src[k];
break;
case 3: // Portal z-
if (isMinZ)
tgt[k] = src[k];
break;
}
}
}
}
}
}