From bccaf5fc2d11c31615d64b9bca91f908d06b7044 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Wed, 25 May 2022 19:00:34 +0200
Subject: [PATCH] Map opaque waving leaves to allfaces drawtype

fixes #9842
---
 src/nodedef.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index 922554a2c..9c85826c4 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -901,8 +901,15 @@ void ContentFeatures::updateTextures(ITextureSource *tsrc, IShaderSource *shdsrc
 			solidness = 0;
 			visual_solidness = 1;
 		} else {
-			drawtype = NDT_NORMAL;
-			solidness = 2;
+			if (waving >= 1) {
+				// waving nodes must make faces so there are no gaps
+				drawtype = NDT_ALLFACES;
+				solidness = 0;
+				visual_solidness = 1;
+			} else {
+				drawtype = NDT_NORMAL;
+				solidness = 2;
+			}
 			for (TileDef &td : tdef)
 				td.name += std::string("^[noalpha");
 		}