diff --git a/src/main/java/io/github/null2264/cobblegen/compat/LoaderCompat.java b/src/main/java/io/github/null2264/cobblegen/compat/LoaderCompat.java
index 1c23f74..a2d9d85 100644
--- a/src/main/java/io/github/null2264/cobblegen/compat/LoaderCompat.java
+++ b/src/main/java/io/github/null2264/cobblegen/compat/LoaderCompat.java
@@ -1,24 +1,25 @@
 package io.github.null2264.cobblegen.compat;
 
+import java.nio.file.Path;
+
 //#if FABRIC>=1
 import net.fabricmc.loader.api.FabricLoader;
-    //#if MC<=1.16.5
-    //$$ import java.io.IOException;
-    //$$ import java.nio.file.Files;
-    //#endif
+//#if MC<=1.16.5
+//$$ import java.io.IOException;
+//$$ import java.nio.file.FileSystems;
+//$$ import java.nio.file.Files;
+//#endif
+//#else
+//#if FORGE>=2 && MC>=1.20.2
+//$$ import net.neoforged.fml.loading.FMLPaths;
+//$$ import net.neoforged.fml.ModList;
+//$$ import net.neoforged.fml.loading.LoadingModList;
 //#else
-    //#if FORGE>=2 && MC>=1.20.2
-    //$$ import net.neoforged.fml.loading.FMLPaths;
-    //$$ import net.neoforged.fml.ModList;
-    //$$ import net.neoforged.fml.loading.LoadingModList;
-    //#else
-    //$$ import net.minecraftforge.fml.loading.FMLPaths;
-    //$$ import net.minecraftforge.fml.ModList;
-    //$$ import net.minecraftforge.fml.loading.LoadingModList;
-    //#endif
+//$$ import net.minecraftforge.fml.loading.FMLPaths;
+//$$ import net.minecraftforge.fml.ModList;
+//$$ import net.minecraftforge.fml.loading.LoadingModList;
+//#endif
 //#endif
-
-import java.nio.file.Path;
 
 public class LoaderCompat {
     public static boolean isModLoaded(String mod) {
@@ -38,7 +39,7 @@ public static Path getConfigDir() {
             return FabricLoader.getInstance().getConfigDir();
             //#else
             // Not ideal, but configDir is null somehow in 1.16.5
-            //$$ Path configDir = Path.of(".", "config");
+            //$$ Path configDir = FileSystems.getDefault().getPath(".", "config");
             //$$ if (!Files.exists(configDir)) {  // Stolen from fabric loader
             //$$     try {
             //$$         Files.createDirectories(configDir);
diff --git a/src/main/java/io/github/null2264/cobblegen/data/FluidInteractionHelper.java b/src/main/java/io/github/null2264/cobblegen/data/FluidInteractionHelper.java
index a4ac6ab..e213ada 100644
--- a/src/main/java/io/github/null2264/cobblegen/data/FluidInteractionHelper.java
+++ b/src/main/java/io/github/null2264/cobblegen/data/FluidInteractionHelper.java
@@ -25,6 +25,7 @@
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import static io.github.null2264.cobblegen.compat.CollectionCompat.listOf;
 import static io.github.null2264.cobblegen.util.Constants.LAVA_FIZZ;
 import static io.github.null2264.cobblegen.util.Util.notNullOr;
 
@@ -149,7 +150,7 @@ public boolean interact(LevelAccessor level, BlockPos pos, BlockState state) {
     public boolean interact(LevelAccessor level, BlockPos pos, BlockState state, boolean fromTop) {
         FluidState fluidState = state.getFluidState();
         Fluid fluid = Generator.getStillFluid(fluidState);
-        final List<Generator> generators = generatorMap.getOrDefault(fluid, List.of());
+        final List<Generator> generators = generatorMap.getOrDefault(fluid, listOf());
 
         for (Generator generator : generators) {
             if (!generator.check(level, pos, state, fromTop)) continue;
diff --git a/src/main/java/io/github/null2264/cobblegen/data/generator/CobbleGenerator.java b/src/main/java/io/github/null2264/cobblegen/data/generator/CobbleGenerator.java
index b9d5f21..fc4fcd5 100644
--- a/src/main/java/io/github/null2264/cobblegen/data/generator/CobbleGenerator.java
+++ b/src/main/java/io/github/null2264/cobblegen/data/generator/CobbleGenerator.java
@@ -33,7 +33,7 @@ public class CobbleGenerator extends BlockGenerator
     private final boolean silent;
 
     public CobbleGenerator(List<WeightedBlock> possibleBlocks, Fluid fluid, boolean silent) {
-        this(possibleBlocks, fluid, silent, Map.of());
+        this(possibleBlocks, fluid, silent, mapOf());
     }
 
     public CobbleGenerator(List<WeightedBlock> possibleBlocks, Fluid fluid, boolean silent, Map<String, List<WeightedBlock>> obsidianReplacements) {
diff --git a/src/main/java/io/github/null2264/cobblegen/data/model/BlockGenerator.java b/src/main/java/io/github/null2264/cobblegen/data/model/BlockGenerator.java
index f4dc453..e50dfbf 100644
--- a/src/main/java/io/github/null2264/cobblegen/data/model/BlockGenerator.java
+++ b/src/main/java/io/github/null2264/cobblegen/data/model/BlockGenerator.java
@@ -19,7 +19,7 @@ public abstract class BlockGenerator implements BuiltInGenerator
     public Optional<BlockState> tryGenerate(LevelAccessor level, BlockPos pos, BlockState state) {
         for (Direction direction : FLOW_DIRECTIONS) {
             final Optional<BlockState> candidate = tryGenerate(level, pos, state, direction);
-            if (candidate.isEmpty()) continue;
+            if (!candidate.isPresent()) continue;
             return candidate;
         }
 
diff --git a/src/main/java/io/github/null2264/cobblegen/data/model/Generator.java b/src/main/java/io/github/null2264/cobblegen/data/model/Generator.java
index aac7c77..1d143bd 100644
--- a/src/main/java/io/github/null2264/cobblegen/data/model/Generator.java
+++ b/src/main/java/io/github/null2264/cobblegen/data/model/Generator.java
@@ -21,6 +21,8 @@
 import java.util.Map;
 import java.util.Optional;
 
+import static io.github.null2264.cobblegen.compat.CollectionCompat.mapOf;
+
 public interface Generator extends PacketSerializable<Generator>
 {
     static Fluid getStillFluid(FluidState fluidState) {
@@ -57,7 +59,7 @@ default Optional<BlockState> tryGenerate(LevelAccessor level, BlockPos pos, Flui
      * @return The output block when a source fluid met another fluid (e.g. Water -> Stone / Lava -> Obsidian)
      */
     default Map<String, List<WeightedBlock>> getObsidianOutput() {
-        return Map.of();
+        return mapOf();
     }
 
     @NotNull