From 92822702958e7b2e0a28e19557381d9e5cb858bb Mon Sep 17 00:00:00 2001
From: Marc Gilleron <marc.gilleron@gmail.com>
Date: Sat, 9 Dec 2017 18:48:02 +0100
Subject: Update GIProbe data instead of creating a new one on bake

---
 scene/3d/gi_probe.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/scene/3d/gi_probe.cpp b/scene/3d/gi_probe.cpp
index 8e2f87738a..ff5cb41135 100644
--- a/scene/3d/gi_probe.cpp
+++ b/scene/3d/gi_probe.cpp
@@ -1284,8 +1284,11 @@ void GIProbe::bake(Node *p_from_node, bool p_create_visual_debug) {
 		_create_debug_mesh(&baker);
 	} else {
 
-		Ref<GIProbeData> probe_data;
-		probe_data.instance();
+		Ref<GIProbeData> probe_data = get_probe_data();
+
+		if(probe_data.is_null())
+			probe_data.instance();
+
 		probe_data->set_bounds(AABB(-extents, extents * 2.0));
 		probe_data->set_cell_size(baker.po2_bounds.size[longest_axis] / baker.axis_cell_size[longest_axis]);
 		probe_data->set_dynamic_data(data);
-- 
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