Fix #76: TreeGrowthEvent is triggered by world gen needlessly (#77)

Author: Swedz

src/main/java/net/swedz/tesseract/neoforge/compat/tyg/mixin/TYGTreeGrowthEventMixin.java

@@ -3,6 +3,7 @@
 import com.google.common.collect.Lists;
 import com.llamalad7.mixinextras.sugar.Local;
 import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.WorldGenRegion;
 import net.minecraft.world.level.LevelAccessor;
 import net.minecraft.world.level.levelgen.feature.FeaturePlaceContext;
 import net.neoforged.neoforge.common.NeoForge;
@@ -32,6 +33,10 @@ private void onTreeGrowth(FeaturePlaceContext context,
 							  @Local(name = "decorationPositions") Set<BlockPos> decorationPositions)
 	{
 		LevelAccessor level = context.level();
+		if(level instanceof WorldGenRegion)
+		{
+			return;
+		}
 		BlockPos origin = context.origin();
 
 		List<BlockPos> positions = Lists.newArrayList();

src/main/java/net/swedz/tesseract/neoforge/mixin/event/TreeGrowthEventMixin.java

@@ -3,6 +3,7 @@
 import com.google.common.collect.Lists;
 import com.llamalad7.mixinextras.sugar.Local;
 import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.WorldGenRegion;
 import net.minecraft.world.level.LevelAccessor;
 import net.minecraft.world.level.levelgen.feature.FeaturePlaceContext;
 import net.minecraft.world.level.levelgen.feature.TreeFeature;
@@ -36,6 +37,10 @@ private void onTreeGrowth(FeaturePlaceContext<TreeConfiguration> context,
 							  @Local(ordinal = 3) Set<BlockPos> decoratorPositions)
 	{
 		LevelAccessor level = context.level();
+		if(level instanceof WorldGenRegion)
+		{
+			return;
+		}
 		BlockPos origin = context.origin();
 
 		List<BlockPos> positions = Lists.newArrayList();