From 3172b6f64a4d9c44230f53c7c654a99411b92847 Mon Sep 17 00:00:00 2001
From: "Blue (Lukas Rieger)" <TBlueF@users.noreply.github.com>
Date: Sat, 19 Dec 2020 19:59:51 +0100
Subject: [PATCH] Just copy propertyVariants if oldVariants would be empty.
 Fixes #124

---
 .../core/resourcepack/BlockStateResource.java     | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resourcepack/BlockStateResource.java b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resourcepack/BlockStateResource.java
index 1d95e1d8..54ad4939 100644
--- a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resourcepack/BlockStateResource.java
+++ b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resourcepack/BlockStateResource.java
@@ -344,13 +344,18 @@ private BlockStateResource buildForge(ConfigurationNode config, String blockstat
 				}
 
 				// join variants
-				List<ForgeVariant> oldVariants = variants;
-				variants = new ArrayList<>(oldVariants.size() * propertyVariants.size());
-				for (ForgeVariant oldVariant : oldVariants) {
-					for (ForgeVariant addVariant : propertyVariants) {
-						variants.add(oldVariant.createMerge(addVariant));
+				if (variants.isEmpty()){
+					variants = propertyVariants;
+				} else {
+					List<ForgeVariant> oldVariants = variants;
+					variants = new ArrayList<>(oldVariants.size() * propertyVariants.size());
+					for (ForgeVariant oldVariant : oldVariants) {
+						for (ForgeVariant addVariant : propertyVariants) {
+							variants.add(oldVariant.createMerge(addVariant));
+						}
 					}
 				}
+
 			}
 
 			//create all possible property-variants