From 148ba367ee860b6f9ad5d9faa9c613049feebce4 Mon Sep 17 00:00:00 2001
From: Richard Harrison <rjh@zaretto.com>
Date: Mon, 18 Oct 2021 11:40:02 +0200
Subject: [PATCH] Material animation include model directory

Include model directory in the texture path - to allows short paths relative to model root when set via a texture-prop
---
 simgear/scene/model/SGMaterialAnimation.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/simgear/scene/model/SGMaterialAnimation.cxx b/simgear/scene/model/SGMaterialAnimation.cxx
index 73712325..69973925 100644
--- a/simgear/scene/model/SGMaterialAnimation.cxx
+++ b/simgear/scene/model/SGMaterialAnimation.cxx
@@ -419,6 +419,11 @@ private:
 SGMaterialAnimation::SGMaterialAnimation(simgear::SGTransientModelData &modelData) :
     SGAnimation(modelData), texturePathList(modelData.getOptions()->getDatabasePathList())
 {
+    // add model directory to texture path - this allows short paths relative to 
+    // model root.
+    SGPath modelDir(_modelData.getPath());
+    texturePathList.insert(texturePathList.begin(), modelDir.dir());
+
   if (modelData.getConfigNode()->hasChild("global"))
     SG_LOG(SG_IO, SG_DEV_ALERT, modelData.getPath() <<
            ": Use of <global> in material animation is "