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Add wrong surface warnings to NavigationMesh.create_from_mesh()

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Adds warnings when at least one of the input mesh surfaces is of wrong primitive type or has an empty vertex / index array as those broken input meshes would fail as both navmesh as well as later when creating debug meshes.

(cherry picked from commit 4185fce0eff4c0fc40f077120d0ed26220e6c995)
This commit is contained in:
smix8 2022-05-18 11:24:20 +02:00 committed by Relintai
parent 9f1607fcd8
commit ced2f890b6
1 changed files with 2 additions and 0 deletions
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2
scene/resources/navigation_mesh.cpp
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@ -36,12 +36,14 @@ void NavigationMesh::create_from_mesh(const Ref<Mesh> &p_mesh) {
for (int i = 0; i < p_mesh->get_surface_count(); i++) {
if (p_mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) {
WARN_PRINT("A mesh surface was skipped when creating a NavigationMesh due to wrong primitive type in the source mesh. Mesh surface must be made out of triangles.");
continue;
}
Array arr = p_mesh->surface_get_arrays(i);
PoolVector<Vector3> varr = arr[Mesh::ARRAY_VERTEX];
PoolVector<int> iarr = arr[Mesh::ARRAY_INDEX];
if (varr.size() == 0 || iarr.size() == 0) {
WARN_PRINT("A mesh surface was skipped when creating a NavigationMesh due to an empty vertex or index array.");
continue;
}