Fix compile for 4.0.

defines.h

@@ -62,6 +62,7 @@
 #define MeshInstance MeshInstance3D
 #define Camera Camera3D
 #define ToolButton Button
+#define Shape Shape3D
 
 typedef class World3D World;
 

library/voxelman_library.cpp

@@ -159,21 +159,11 @@ void VoxelmanLibrary::clear_prop_materials() {
 }
 
 Vector<Variant> VoxelmanLibrary::get_prop_materials() {
-	Vector<Variant> r;
+	VARIANT_ARRAY_GET(_prop_materials);
-	for (int i = 0; i < _prop_materials.size(); i++) {
-		r.push_back(_prop_materials[i].get_ref_ptr());
-	}
-	return r;
 }
 
 void VoxelmanLibrary::set_prop_materials(const Vector<Variant> &materials) {
-	_prop_materials.clear();
+	VARIANT_ARRAY_SET(materials, _prop_materials, Material);
-
-	for (int i = 0; i < materials.size(); i++) {
-		Ref<Material> material = Ref<Material>(materials[i]);
-
-		_prop_materials.push_back(material);
-	}
 }
 
 //Surfaces

library/voxelman_library.h

@@ -23,12 +23,19 @@ SOFTWARE.
 #ifndef VOXELMAN_LIBRARY_H
 #define VOXELMAN_LIBRARY_H
 
+#include "core/math/rect2.h"
 #include "core/resource.h"
 #include "scene/resources/material.h"
 
 #include "../data/voxel_light.h"
 #include "voxel_surface.h"
 
+#include "../defines.h"
+
+#if GODOT4
+#define Texture Texture2D
+#endif
+
 class VoxelSurface;
 class VoxelMesher;
 class PackedScene;