Add validation to glTF importer for Blendshape and Animation

scene/resources/3d/importer_mesh.cpp

@@ -34,6 +34,7 @@
 #include "core/math/convex_hull.h"
 #include "core/math/random_pcg.h"
 #include "core/math/static_raycaster.h"
+#include "scene/resources/animation_library.h"
 #include "scene/resources/surface_tool.h"
 
 #include <cstdint>
@@ -134,9 +135,18 @@ void ImporterMesh::Surface::_split_normals(Array &r_arrays, const LocalVector<in
 	}
 }
 
+String ImporterMesh::validate_blend_shape_name(const String &p_name) {
+	String name = p_name;
+	const char *characters = ":";
+	for (const char *p = characters; *p; p++) {
+		name = name.replace(String::chr(*p), "_");
+	}
+	return name;
+}
+
 void ImporterMesh::add_blend_shape(const String &p_name) {
 	ERR_FAIL_COND(surfaces.size() > 0);
-	blend_shapes.push_back(p_name);
+	blend_shapes.push_back(validate_blend_shape_name(p_name));
 }
 
 int ImporterMesh::get_blend_shape_count() const {

scene/resources/3d/importer_mesh.h

@@ -93,6 +93,8 @@ public:
 	int get_blend_shape_count() const;
 	String get_blend_shape_name(int p_blend_shape) const;
 
+	static String validate_blend_shape_name(const String &p_name);
+
 	void add_surface(Mesh::PrimitiveType p_primitive, const Array &p_arrays, const TypedArray<Array> &p_blend_shapes = Array(), const Dictionary &p_lods = Dictionary(), const Ref<Material> &p_material = Ref<Material>(), const String &p_name = String(), const uint64_t p_flags = 0);
 	int get_surface_count() const;