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Add sanity checks to lightmap unwrap texel size

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This commit is contained in:
jfons 2022-02-24 13:00:51 +01:00
parent 6c40d1ab9b
commit d0fd5fd3c7
2 changed files with 3 additions and 0 deletions
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2
modules/xatlas_unwrap/register_types.cpp
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@ -120,6 +120,8 @@ bool xatlas_mesh_lightmap_unwrap_callback(float p_texel_size, const float *p_ver
xatlas::ChartOptions chart_options;
chart_options.fixWinding = true;
ERR_FAIL_COND_V_MSG(p_texel_size <= 0.0f, false, "Texel size must be greater than 0.");
xatlas::PackOptions pack_options;
pack_options.padding = 1;
pack_options.maxChartSize = 4094; // Lightmap atlassing needs 2 for padding between meshes, so 4096-2

1
scene/resources/mesh.cpp
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@ -1684,6 +1684,7 @@ Error ArrayMesh::lightmap_unwrap(const Transform3D &p_base_transform, float p_te
Error ArrayMesh::lightmap_unwrap_cached(const Transform3D &p_base_transform, float p_texel_size, const Vector<uint8_t> &p_src_cache, Vector<uint8_t> &r_dst_cache, bool p_generate_cache) {
ERR_FAIL_COND_V(!array_mesh_lightmap_unwrap_callback, ERR_UNCONFIGURED);
ERR_FAIL_COND_V_MSG(blend_shapes.size() != 0, ERR_UNAVAILABLE, "Can't unwrap mesh with blend shapes.");
ERR_FAIL_COND_V_MSG(p_texel_size <= 0.0f, ERR_PARAMETER_RANGE_ERROR, "Texel size must be greater than 0.");
LocalVector<float> vertices;
LocalVector<float> normals;