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Fix SurfaceTool::create_from_blend_shape()

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Fixes SurfaceTool::create_from_blend_shape().

(cherry picked from commit 2dbc5d95eb)
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smix8 2023-05-02 08:48:48 +02:00 • committed by Rémi Verschelde
parent a42f427465
commit 3be6a1b38e
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1 changed files with 15 additions and 3 deletions
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18
scene/resources/surface_tool.cpp
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@ -985,9 +985,21 @@ void SurfaceTool::create_from_blend_shape(const Ref<Mesh> &p_existing, int p_sur
}
ERR_FAIL_COND(shape_idx == -1);
ERR_FAIL_COND(shape_idx >= arr.size());
Array mesh = arr[shape_idx];
ERR_FAIL_COND(mesh.size() != RS::ARRAY_MAX);
_create_list_from_arrays(arr[shape_idx], &vertex_array, &index_array, format);
Array blendshape_mesh_arrays = arr[shape_idx];
ERR_FAIL_COND(blendshape_mesh_arrays.size() != RS::ARRAY_MAX);
Array source_mesh_arrays = p_existing->surface_get_arrays(p_surface);
ERR_FAIL_COND(source_mesh_arrays.size() != RS::ARRAY_MAX);
// Copy BlendShape vertex data over while keeping e.g. bones, weights, index from existing mesh intact.
source_mesh_arrays[RS::ARRAY_VERTEX] = blendshape_mesh_arrays[RS::ARRAY_VERTEX];
source_mesh_arrays[RS::ARRAY_NORMAL] = blendshape_mesh_arrays[RS::ARRAY_NORMAL];
source_mesh_arrays[RS::ARRAY_TANGENT] = blendshape_mesh_arrays[RS::ARRAY_TANGENT];
_create_list_from_arrays(source_mesh_arrays, &vertex_array, &index_array, format);
material = p_existing->surface_get_material(p_surface);
format = p_existing->surface_get_format(p_surface);
for (int j = 0; j < RS::ARRAY_CUSTOM_COUNT; j++) {
if (format & custom_mask[j]) {