1 files changed, 48 insertions, 0 deletions
diff --git a/game/addons/zylann.hterrain/util/direct_multimesh_instance.gd b/game/addons/zylann.hterrain/util/direct_multimesh_instance.gd
new file mode 100644
index 0000000..dbb899b
--- /dev/null
+++ b/game/addons/zylann.hterrain/util/direct_multimesh_instance.gd
@@ -0,0 +1,48 @@
+@tool
+
+# Implementation of MultiMeshInstance which doesn't use the scene tree
+
+var _multimesh_instance := RID()
+
+
+func _init():
+	_multimesh_instance = RenderingServer.instance_create()
+
+
+func _notification(what: int):
+	if what == NOTIFICATION_PREDELETE:
+		RenderingServer.free_rid(_multimesh_instance)
+
+
+func set_world(world: World3D):
+	RenderingServer.instance_set_scenario(
+		_multimesh_instance, world.get_scenario() if world != null else RID())
+
+
+func set_visible(visible: bool):
+	RenderingServer.instance_set_visible(_multimesh_instance, visible)
+
+
+func set_transform(trans: Transform3D):
+	RenderingServer.instance_set_transform(_multimesh_instance, trans)
+
+
+func set_multimesh(mm: MultiMesh):
+	RenderingServer.instance_set_base(_multimesh_instance, mm.get_rid() if mm != null else RID())
+
+
+func set_material_override(material: Material):
+	RenderingServer.instance_geometry_set_material_override( \
+		_multimesh_instance, material.get_rid() if material != null else RID())
+
+
+func set_aabb(aabb: AABB):
+	RenderingServer.instance_set_custom_aabb(_multimesh_instance, aabb)
+
+
+func set_layer_mask(mask: int):
+	RenderingServer.instance_set_layer_mask(_multimesh_instance, mask)
+
+
+func set_cast_shadow(cast_shadow: int):
+	RenderingServer.instance_geometry_set_cast_shadows_setting(_multimesh_instance, cast_shadow)