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Fix exception when number of primitive sets not what assumed.

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This was something that happened when random vegetation was off, but tree shadows was on.

Adding random vegetation would then reliably cause an exception.
This commit is contained in:
Richard Harrison
2018-10-30 20:13:32 +01:00
parent 758ab5e581
commit 61cc8d6c50
1 changed files with 5 additions and 3 deletions
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8
simgear/scene/tgdb/TreeBin.cxx
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@@ -233,9 +233,11 @@ void addTreeToLeafGeode(Geode* geode, const SGVec3f& p, const SGVec3f& t)
int imax = 2;
if (use_tree_shadows) { imax = 3; }
for (int i = 0; i < imax; ++i) {
DrawArrays* primSet = static_cast<DrawArrays*>(geom->getPrimitiveSet(i));
if(primSet != nullptr)
primSet->setCount(numVerts);
if (i < geom->getNumPrimitiveSets()) {
DrawArrays* primSet = static_cast<DrawArrays*>(geom->getPrimitiveSet(i));
if (primSet != nullptr)
primSet->setCount(numVerts);
}
}
}
}