@@ -21,6 +21,7 @@
 #include "Runtime/Engine/Classes/EdGraph/EdGraphSchema.h"
 #include "Toolkits/AssetEditorManager.h"
 #include "LevelEditor.h"
+#include "Editor/LandscapeEditor/Public/LandscapeEditorUtils.h"
 
 
 PyObject *py_unreal_engine_editor_play_in_viewport(PyObject * self, PyObject * args)
@@ -2118,5 +2119,31 @@ PyObject *py_unreal_engine_transactions(PyObject * self, PyObject * args)
 	return transactions;
 }
 
+PyObject *py_unreal_engine_heightmap_expand(PyObject * self, PyObject * args)
+{
+	Py_buffer buf;
+	int width;
+	int height;
+	int new_width;
+	int new_height;
+	if (!PyArg_ParseTuple(args, "y*iiii:heightmap_expand", &buf, &width, &height, &new_width, &new_height))
+		return nullptr;
+
+	uint16 *original_data_buf = (uint16 *)buf.buf;
+
+	TArray<uint16> original_data;
+	original_data.AddZeroed(buf.len / 2);
+
+	FMemory::Memcpy(original_data.GetData(), original_data_buf, buf.len);
+
+	int offset_x = (new_width - width) / 2;
+	int offset_y = (new_height - height) / 2;
+
+	TArray<uint16> data = LandscapeEditorUtils::ExpandData<uint16>(original_data, 0, 0, width - 1, height - 1, -offset_x, -offset_y, new_width - offset_x - 1, new_height - offset_y - 1);
+
+	return PyByteArray_FromStringAndSize((char *)data.GetData(), data.Num() * sizeof(uint16));
+
+}
+
 #endif
 
@@ -104,4 +104,6 @@ PyObject *py_unreal_engine_editor_undo(PyObject *, PyObject *);
 PyObject *py_unreal_engine_editor_redo(PyObject *, PyObject *);
 PyObject *py_unreal_engine_transactions(PyObject *, PyObject *);
 
+PyObject *py_unreal_engine_heightmap_expand(PyObject *, PyObject *);
+
 #endif
@@ -253,6 +253,9 @@ static PyMethodDef unreal_engine_methods[] = {
 
 	{ "string_to_guid", py_unreal_engine_string_to_guid, METH_VARARGS, "" },
 	{ "new_guid", py_unreal_engine_new_guid, METH_VARARGS, "" },
+#if WITH_EDITOR
+	{ "heightmap_expand", py_unreal_engine_heightmap_expand, METH_VARARGS, "" },
+#endif
 #pragma warning(suppress: 4191)
 	{ "get_assets_by_filter", (PyCFunction)py_unreal_engine_get_assets_by_filter, METH_VARARGS | METH_KEYWORDS, "" },
 	{ "create_blueprint", py_unreal_engine_create_blueprint, METH_VARARGS, "" },
 
@@ -69,7 +69,7 @@ PyObject *py_ue_landscape_import(ue_PyUObject *self, PyObject * args)
 
 	TArray<FLandscapeImportLayerInfo> infos;
 
-	landscape->Import(FGuid::NewGuid(), 0, 0, size_x-1, size_y-1, sections_per_component, section_size, data, nullptr, infos, (ELandscapeImportAlphamapType)layer_type);
+	landscape->Import(FGuid::NewGuid(), 0, 0, size_x - 1, size_y - 1, sections_per_component, section_size, data, nullptr, infos, (ELandscapeImportAlphamapType)layer_type);
 
 	Py_RETURN_NONE;
 }
 
@@ -158,7 +158,8 @@ public UnrealEnginePython(TargetInfo Target)
                 "EditorWidgets",
                 "FBX",
                 "Persona",
-                "PropertyEditor"
+                "PropertyEditor",
+                "LandscapeEditor"
             });
         }
Original file line number	Diff line number	Diff line change
`@@ -69,7 +69,7 @@ PyObject py_ue_landscape_import(ue_PyUObject self, PyObject * args)`
`69`	`69`
`70`	`70`	`TArray<FLandscapeImportLayerInfo> infos;`
`71`	`71`
`72`		`- landscape->Import(FGuid::NewGuid(), 0, 0, size_x-1, size_y-1, sections_per_component, section_size, data, nullptr, infos, (ELandscapeImportAlphamapType)layer_type);`
	`72`	`+ landscape->Import(FGuid::NewGuid(), 0, 0, size_x - 1, size_y - 1, sections_per_component, section_size, data, nullptr, infos, (ELandscapeImportAlphamapType)layer_type);`
`73`	`73`
`74`	`74`	`Py_RETURN_NONE;`
`75`	`75`	`}`
Original file line number	Diff line number	Diff line change
`@@ -158,7 +158,8 @@ public UnrealEnginePython(TargetInfo Target)`
`158`	`158`	`"EditorWidgets",`
`159`	`159`	`"FBX",`
`160`	`160`	`"Persona",`
`161`		`- "PropertyEditor"`
	`161`	`+ "PropertyEditor",`
	`162`	`+ "LandscapeEditor"`
`162`	`163`	`});`
`163`	`164`	`}`
`164`	`165`