From 8d8779afa3a96e66a7c9079272a2c0127b9147e1 Mon Sep 17 00:00:00 2001
From: Greg <gregzzmail@gmail.com>
Date: Tue, 9 Aug 2016 11:44:34 +0200
Subject: [PATCH] Node Wrangler: (by @gandalf3 ) Improve volume workflow by
keeping viewer outputs the same if it's already connected
---
node_wrangler.py | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/node_wrangler.py b/node_wrangler.py
index d289bc10f..dd26d91f6 100644
--- a/node_wrangler.py
+++ b/node_wrangler.py
@@ -1619,7 +1619,13 @@ class NWEmissionViewer(Operator, NWBase):
else:
emission = emission_placeholder
make_links.append((active.outputs[out_i], emission.inputs[0]))
- make_links.append((emission.outputs[0], materialout.inputs[0]))
+
+ # If Viewer is connected to output by user, don't change those connections (patch by gandalf3)
+ if emission.outputs[0].links.__len__() > 0:
+ if not emission.outputs[0].links[0].to_node == materialout:
+ make_links.append((emission.outputs[0], materialout.inputs[0]))
+ else:
+ make_links.append((emission.outputs[0], materialout.inputs[0]))
# Set brightness of viewer to compensate for Film and CM exposure
intensity = 1/context.scene.cycles.film_exposure # Film exposure is a multiplier
--
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