diff --git a/SCsub b/SCsub
index 54a4863..1646880 100644
--- a/SCsub
+++ b/SCsub
@@ -3,6 +3,8 @@ Import('env')
 env.add_source_files(env.modules_sources,"register_types.cpp")
 env.add_source_files(env.modules_sources,"vector3i.cpp")
 env.add_source_files(env.modules_sources,"polypartition.cpp")
+env.add_source_files(env.modules_sources,"geometry_2d.cpp")
+env.add_source_files(env.modules_sources,"array_lt_op.cpp")
 env.add_source_files(env.modules_sources,"rtile_set.cpp")
 
 #if env["tools"]:
diff --git a/array_lt_op.cpp b/array_lt_op.cpp
new file mode 100644
index 0000000..482e740
--- /dev/null
+++ b/array_lt_op.cpp
@@ -0,0 +1,20 @@
+
+#include "array_lt_op.h"
+
+bool operator<(const Array &p_array_a, const Array &p_array_b) {
+	int a_len = p_array_a.size();
+	int b_len = p_array_b.size();
+
+	int min_cmp = MIN(a_len, b_len);
+
+	for (int i = 0; i < min_cmp; i++) {
+		if (p_array_a.operator[](i) < p_array_b[i]) {
+			return true;
+		} else if (p_array_b[i] < p_array_a.operator[](i)) {
+			return false;
+		}
+	}
+
+	return a_len < b_len;
+}
+
diff --git a/array_lt_op.h b/array_lt_op.h
index 3399e18..f1cc6b0 100644
--- a/array_lt_op.h
+++ b/array_lt_op.h
@@ -6,22 +6,6 @@
 #include "core/math/math_defs.h"
 #include "core/variant.h"
 
-bool operator<(const Array &p_array_a, const Array &p_array_b) {
-	int a_len = p_array_a.size();
-	int b_len = p_array_b.size();
-
-	int min_cmp = MIN(a_len, b_len);
-
-	for (int i = 0; i < min_cmp; i++) {
-		if (p_array_a.operator[](i) < p_array_b[i]) {
-			return true;
-		} else if (p_array_b[i] < p_array_a.operator[](i)) {
-			return false;
-		}
-	}
-
-	return a_len < b_len;
-}
-
+bool operator<(const Array &p_array_a, const Array &p_array_b);
 
 #endif
diff --git a/geometry_2d.cpp b/geometry_2d.cpp
index 4eb6c86..772bbf1 100644
--- a/geometry_2d.cpp
+++ b/geometry_2d.cpp
@@ -31,9 +31,9 @@
 #include "geometry_2d.h"
 
 #include "thirdparty/misc/clipper.hpp"
-#include "thirdparty/misc/polypartition.h"
+#include "polypartition.h"
 #define STB_RECT_PACK_IMPLEMENTATION
-#include "stb_rect_pack.h"
+#include "thirdparty/stb_rect_pack/stb_rect_pack.h"
 
 #define SCALE_FACTOR 100000.0 // Based on CMP_EPSILON.
 
diff --git a/register_types.cpp b/register_types.cpp
index b9bbaf0..37d5022 100644
--- a/register_types.cpp
+++ b/register_types.cpp
@@ -22,6 +22,8 @@ SOFTWARE.
 
 #include "register_types.h"
 
+#include "rtile_set.h"
+
 #ifdef TOOLS_ENABLED
 #endif
 
@@ -29,6 +31,13 @@ void register_rtile_map_types() {
 #ifdef TOOLS_ENABLED
 //	EditorPlugins::add_by_type<ModuleSkeletonEditorPlugin>();
 #endif
+
+    ClassDB::register_class<RTileMapPattern>();
+    ClassDB::register_class<RTileSet>();
+    ClassDB::register_virtual_class<RTileSetSource>();
+    ClassDB::register_class<RTileSetAtlasSource>();
+    ClassDB::register_class<RTileSetScenesCollectionSource>();
+    ClassDB::register_class<RTileData>();
 }
 
 void unregister_rtile_map_types() {
diff --git a/rtile_set.h b/rtile_set.h
index 6c841da..1c5401f 100644
--- a/rtile_set.h
+++ b/rtile_set.h
@@ -31,7 +31,6 @@
 #ifndef RTILE_SET_H
 #define RTILE_SET_H
 
-#include "array_lt_op.h"
 #include "core/resource.h"
 #include "core/object.h"
 #include "core/vector.h"
@@ -53,6 +52,8 @@
 #include "scene/resources/texture.h"
 #endif
 
+#include "array_lt_op.h"
+
 class RTileMap;
 struct RTileMapQuadrant;
 class RTileSetSource;