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Add upToDate param for dtTileCache::update (#203)

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This changes dtTileCache::update to add an optional parameter that
indicates whether the tile cache is up to date. This is useful to
determine whether calling the function again would do anything.
This commit is contained in:
Jakob Botsch Nielsen
2016-04-25 20:27:14 +02:00
parent b05e45492e
commit 36183edb55
2 changed files with 15 additions and 7 deletions
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14
DetourTileCache/Source/DetourTileCache.cpp
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@@ -441,7 +441,8 @@ dtStatus dtTileCache::queryTiles(const float* bmin, const float* bmax,
return DT_SUCCESS;
}
dtStatus dtTileCache::update(const float /*dt*/, dtNavMesh* navmesh)
dtStatus dtTileCache::update(const float /*dt*/, dtNavMesh* navmesh,
bool* upToDate)
{
if (m_nupdate == 0)
{
@@ -500,12 +501,13 @@ dtStatus dtTileCache::update(const float /*dt*/, dtNavMesh* navmesh)
m_nreqs = 0;
}
dtStatus status = DT_SUCCESS;
// Process updates
if (m_nupdate)
{
// Build mesh
const dtCompressedTileRef ref = m_update[0];
dtStatus status = buildNavMeshTile(ref, navmesh);
status = buildNavMeshTile(ref, navmesh);
m_nupdate--;
if (m_nupdate > 0)
memmove(m_update, m_update+1, m_nupdate*sizeof(dtCompressedTileRef));
@@ -548,12 +550,12 @@ dtStatus dtTileCache::update(const float /*dt*/, dtNavMesh* navmesh)
}
}
}
if (dtStatusFailed(status))
return status;
}
return DT_SUCCESS;
if (upToDate)
*upToDate = m_nupdate == 0 && m_nreqs == 0;
return status;
}