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Code Issues Releases Wiki Activity

Allow to create empty RecastMesh

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elsid 2018-04-16 01:39:51 +03:00
parent dd5f4498f6
commit 937e8e1803
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GPG key ID: B845CB9FEE18AB40
4 changed files with 17 additions and 8 deletions
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6
apps/openmw_test_suite/detournavigator/recastmeshbuilder.cpp
View file

@ -31,9 +31,11 @@ namespace
}
};
TEST_F(DetourNavigatorRecastMeshBuilderTest, create_for_empty_should_throw_exception)
TEST_F(DetourNavigatorRecastMeshBuilderTest, create_for_empty_should_return_empty)
{
EXPECT_THROW(mBuilder.create(), std::invalid_argument);
const auto recastMesh = mBuilder.create();
EXPECT_EQ(recastMesh->getVertices(), std::vector<float>());
EXPECT_EQ(recastMesh->getIndices(), std::vector<int>());
}
TEST_F(DetourNavigatorRecastMeshBuilderTest, add_bhv_triangle_mesh_shape)

2
components/detournavigator/chunkytrimesh.cpp
View file

@ -120,7 +120,7 @@ namespace DetourNavigator
const auto trianglesCount = indices.size() / 3;
if (trianglesCount == 0)
throw InvalidArgument("ChunkyTriMesh tris should contain at least 3 values");
return;
const auto nchunks = (trianglesCount + trisPerChunk - 1) / trisPerChunk;

12
components/detournavigator/makenavmesh.cpp
View file

@ -269,9 +269,6 @@ namespace DetourNavigator
getRadius(settings, agentHalfExtents),
" changedTile=", changedTile);
const auto& boundsMin = recastMesh.getBoundsMin();
const auto& boundsMax = recastMesh.getBoundsMax();
auto& navMesh = navMeshCacheItem.mValue;
const auto& params = *navMesh.lock()->getParams();
const osg::Vec3f origin(params.orig[0], params.orig[1], params.orig[2]);
@ -287,6 +284,15 @@ namespace DetourNavigator
nullptr, nullptr));
}
const auto& boundsMin = recastMesh.getBoundsMin();
const auto& boundsMax = recastMesh.getBoundsMax();
if (boundsMin == boundsMax)
{
log("ignore add tile: recastMesh is empty");
return;
}
const auto tileBounds = makeTileBounds(settings, changedTile);
const osg::Vec3f tileBorderMin(tileBounds.mMin.x(), boundsMin.y() - 1, tileBounds.mMin.y());
const osg::Vec3f tileBorderMax(tileBounds.mMax.x(), boundsMax.y() + 1, tileBounds.mMax.y());

1
components/detournavigator/recastmesh.cpp
View file

@ -10,6 +10,7 @@ namespace DetourNavigator
, mVertices(std::move(vertices))
, mChunkyTriMesh(mVertices, mIndices, settings.mTrianglesPerChunk)
{
if (getVerticesCount())
rcCalcBounds(mVertices.data(), static_cast<int>(getVerticesCount()), mBoundsMin.ptr(), mBoundsMax.ptr());
}
}