mirror of
https://github.com/recastnavigation/recastnavigation.git
synced 2026-09-29 05:26:12 +00:00
Merge branch 'master' of https://github.com/memononen/recastnavigation
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@@ -735,7 +735,8 @@ static bool removeVertex(rcContext* ctx, rcPolyMesh& mesh, const unsigned short
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}
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// Remove the polygon.
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unsigned short* p2 = &mesh.polys[(mesh.npolys-1)*nvp*2];
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memcpy(p,p2,sizeof(unsigned short)*nvp);
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if (p != p2)
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memcpy(p,p2,sizeof(unsigned short)*nvp);
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memset(p+nvp,0xff,sizeof(unsigned short)*nvp);
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mesh.regs[i] = mesh.regs[mesh.npolys-1];
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mesh.areas[i] = mesh.areas[mesh.npolys-1];
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@@ -935,7 +936,9 @@ static bool removeVertex(rcContext* ctx, rcPolyMesh& mesh, const unsigned short
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unsigned short* pa = &polys[bestPa*nvp];
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unsigned short* pb = &polys[bestPb*nvp];
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mergePolys(pa, pb, bestEa, bestEb, tmpPoly, nvp);
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memcpy(pb, &polys[(npolys-1)*nvp], sizeof(unsigned short)*nvp);
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unsigned short* last = &polys[(npolys-1)*nvp];
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if (pb != last)
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memcpy(pb, last, sizeof(unsigned short)*nvp);
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pregs[bestPb] = pregs[npolys-1];
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pareas[bestPb] = pareas[npolys-1];
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npolys--;
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@@ -1395,6 +1398,12 @@ bool rcMergePolyMeshes(rcContext* ctx, rcPolyMesh** meshes, const int nmeshes, r
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const unsigned short ox = (unsigned short)floorf((pmesh->bmin[0]-mesh.bmin[0])/mesh.cs+0.5f);
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const unsigned short oz = (unsigned short)floorf((pmesh->bmin[2]-mesh.bmin[2])/mesh.cs+0.5f);
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bool isMinX = (ox == 0);
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bool isMinZ = (oz == 0);
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bool isMaxX = ((unsigned short)floorf((mesh.bmax[0] - pmesh->bmax[0]) / mesh.cs + 0.5f)) == 0;
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bool isMaxZ = ((unsigned short)floorf((mesh.bmax[2] - pmesh->bmax[2]) / mesh.cs + 0.5f)) == 0;
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bool isOnBorder = (isMinX || isMinZ || isMaxX || isMaxZ);
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for (int j = 0; j < pmesh->nverts; ++j)
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{
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unsigned short* v = &pmesh->verts[j*3];
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@@ -1415,6 +1424,36 @@ bool rcMergePolyMeshes(rcContext* ctx, rcPolyMesh** meshes, const int nmeshes, r
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if (src[k] == RC_MESH_NULL_IDX) break;
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tgt[k] = vremap[src[k]];
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}
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if (isOnBorder)
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{
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for (int k = mesh.nvp; k < mesh.nvp * 2; ++k)
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{
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if (src[k] & 0x8000 && src[k] != 0xffff)
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{
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unsigned short dir = src[k] & 0xf;
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switch (dir)
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{
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case 0: // Portal x-
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if (isMinX)
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tgt[k] = src[k];
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break;
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case 1: // Portal z+
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if (isMaxZ)
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tgt[k] = src[k];
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break;
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case 2: // Portal x+
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if (isMaxX)
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tgt[k] = src[k];
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break;
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case 3: // Portal z-
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if (isMinZ)
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tgt[k] = src[k];
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break;
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}
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}
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}
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}
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}
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}
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