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fix for Issue 84: Zero Byte Allocations

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This commit is contained in:
Mikko Mononen 2010-07-08 11:06:49 +00:00
parent 4ac6b64050
commit 0c3474f9c1
1 changed files with 19 additions and 15 deletions
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34
Detour/Source/DetourNavMeshBuilder.cpp
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@ -257,26 +257,30 @@ bool dtCreateNavMeshData(dtNavMeshCreateParams* params, unsigned char** outData,
// Classify off-mesh connection points. We store only the connections // Classify off-mesh connection points. We store only the connections
// whose start point is inside the tile. // whose start point is inside the tile.
unsigned char* offMeshConClass = new unsigned char [params->offMeshConCount*2]; unsigned char* offMeshConClass = 0;
if (!offMeshConClass)
return false;
int storedOffMeshConCount = 0; int storedOffMeshConCount = 0;
int offMeshConLinkCount = 0; int offMeshConLinkCount = 0;
for (int i = 0; i < params->offMeshConCount; ++i) if (params->offMeshConCount > 0)
{ {
offMeshConClass[i*2+0] = classifyOffMeshPoint(&params->offMeshConVerts[(i*2+0)*3], params->bmin, params->bmax); offMeshConClass = new unsigned char [params->offMeshConCount*2];
offMeshConClass[i*2+1] = classifyOffMeshPoint(&params->offMeshConVerts[(i*2+1)*3], params->bmin, params->bmax); if (!offMeshConClass)
return false;
// Cound how many links should be allocated for off-mesh connections. for (int i = 0; i < params->offMeshConCount; ++i)
if (offMeshConClass[i*2+0] == 0xff) {
offMeshConLinkCount++; offMeshConClass[i*2+0] = classifyOffMeshPoint(&params->offMeshConVerts[(i*2+0)*3], params->bmin, params->bmax);
if (offMeshConClass[i*2+1] == 0xff) offMeshConClass[i*2+1] = classifyOffMeshPoint(&params->offMeshConVerts[(i*2+1)*3], params->bmin, params->bmax);
offMeshConLinkCount++;
if (offMeshConClass[i*2+0] == 0xff) // Cound how many links should be allocated for off-mesh connections.
storedOffMeshConCount++; if (offMeshConClass[i*2+0] == 0xff)
offMeshConLinkCount++;
if (offMeshConClass[i*2+1] == 0xff)
offMeshConLinkCount++;
if (offMeshConClass[i*2+0] == 0xff)
storedOffMeshConCount++;
}
} }
// Off-mesh connectionss are stored as polygons, adjust values. // Off-mesh connectionss are stored as polygons, adjust values.