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-rw-r--r--scene/resources/mesh_data_tool.cpp38
1 files changed, 22 insertions, 16 deletions
diff --git a/scene/resources/mesh_data_tool.cpp b/scene/resources/mesh_data_tool.cpp
index 1b82aca386..3fb4f8f211 100644
--- a/scene/resources/mesh_data_tool.cpp
+++ b/scene/resources/mesh_data_tool.cpp
@@ -50,6 +50,28 @@ Error MeshDataTool::create_from_surface(const Ref<ArrayMesh> &p_mesh, int p_surf
int vcount = varray.size();
ERR_FAIL_COND_V(vcount == 0, ERR_INVALID_PARAMETER);
+ Vector<int> indices;
+
+ if (arrays[Mesh::ARRAY_INDEX].get_type() != Variant::NIL) {
+ indices = arrays[Mesh::ARRAY_INDEX];
+ } else {
+ //make code simpler
+ indices.resize(vcount);
+ int *iw = indices.ptrw();
+ for (int i = 0; i < vcount; i++) {
+ iw[i] = i;
+ }
+ }
+
+ int icount = indices.size();
+ const int *r = indices.ptr();
+
+ ERR_FAIL_COND_V(icount == 0, ERR_INVALID_PARAMETER);
+ ERR_FAIL_COND_V(icount % 3, ERR_INVALID_PARAMETER);
+ for (int i = 0; i < icount; i++) {
+ ERR_FAIL_INDEX_V(r[i], vcount, ERR_INVALID_PARAMETER);
+ }
+
clear();
format = p_mesh->surface_get_format(p_surface);
material = p_mesh->surface_get_material(p_surface);
@@ -128,22 +150,6 @@ Error MeshDataTool::create_from_surface(const Ref<ArrayMesh> &p_mesh, int p_surf
vertices.write[i] = v;
}
- Vector<int> indices;
-
- if (arrays[Mesh::ARRAY_INDEX].get_type() != Variant::NIL) {
- indices = arrays[Mesh::ARRAY_INDEX];
- } else {
- //make code simpler
- indices.resize(vcount);
- int *iw = indices.ptrw();
- for (int i = 0; i < vcount; i++) {
- iw[i] = i;
- }
- }
-
- int icount = indices.size();
- const int *r = indices.ptr();
-
Map<Point2i, int> edge_indices;
for (int i = 0; i < icount; i += 3) {