feat: ancient stuff i forgot to commit ages ago

src/main/java/net/zepalesque/zenith/mixin/mixins/common/RandomStateMixin.java

@@ -0,0 +1,21 @@
+package net.zepalesque.zenith.mixin.mixins.common;
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import net.minecraft.core.HolderGetter;
+import net.minecraft.world.level.levelgen.DensityFunction;
+import net.minecraft.world.level.levelgen.NoiseGeneratorSettings;
+import net.minecraft.world.level.levelgen.NoiseRouter;
+import net.minecraft.world.level.levelgen.RandomState;
+import net.minecraft.world.level.levelgen.synth.NormalNoise;
+import net.zepalesque.zenith.world.density.PerlinNoiseFunction;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+
+@Mixin(RandomState.class)
+public class RandomStateMixin {
+    @WrapOperation(method = "<init>", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/level/levelgen/NoiseRouter;mapAll(Lnet/minecraft/world/level/levelgen/DensityFunction$Visitor;)Lnet/minecraft/world/level/levelgen/NoiseRouter;"))
+    private NoiseRouter init(NoiseRouter instance, DensityFunction.Visitor visitor, Operation<NoiseRouter> original, NoiseGeneratorSettings settings, HolderGetter<NormalNoise.NoiseParameters> noiseParametersGetter, final long levelSeed) {
+        return original.call(instance, visitor).mapAll(PerlinNoiseFunction.createOrGetVisitor(levelSeed));
+    }
+}

src/main/java/net/zepalesque/zenith/util/codec/ZenithCodecs.java

@@ -5,16 +5,14 @@
 import net.minecraft.core.HolderSet;
 import net.minecraft.core.RegistryCodecs;
 import net.minecraft.core.registries.Registries;
+import net.minecraft.data.worldgen.BootstapContext;
 import net.minecraft.sounds.SoundEvent;
 import net.minecraft.util.ExtraCodecs;
 import net.minecraft.world.level.biome.Biome;
 
 import java.util.Map;
 
 public class ZenithCodecs {
-
     public static final Codec<Map<Holder<Biome>, Integer>> BIOME_COLOR_MAP = ExtraCodecs.strictUnboundedMap(Biome.CODEC, Codec.INT);
-
-
     public static final Codec<HolderSet<SoundEvent>> SOUND_EVENT_SET = RegistryCodecs.homogeneousList(Registries.SOUND_EVENT, SoundEvent.DIRECT_CODEC);
 }

src/main/java/net/zepalesque/zenith/world/density/PerlinNoiseFunction.java

@@ -48,7 +48,7 @@ public PerlinNoiseFunction(NormalNoise.NoiseParameters params, double xzScale, d
 
     public double compute(FunctionContext context) {
         if (this.noise == null) {
-            throw new NullPointerException("Perlin noise has not been initialized yet!");
+            throw new NullPointerException("PerlinNoiseFunction has not been initialized yet! Please initialize by running mapAll on this function or a parent function with a PerlinNoiseVisitor!");
         } else {
             return this.noise
                     .getValue((double)context.blockX() * this.xzScale, (double)context.blockY() * this.yScale, (double)context.blockZ() * this.xzScale);

src/main/resources/META-INF/accesstransformer.cfg

@@ -0,0 +1,2 @@
+public net.minecraft.core.RegistrySetBuilder$UniversalLookup
+public net.minecraft.core.RegistrySetBuilder$UniversalLookup holders # holders

src/main/resources/zenith.mixins.json

@@ -6,13 +6,14 @@
   "compatibilityLevel": "JAVA_17",
   "refmap": "zenith.refmap.json",
   "mixins": [
+    "common.RandomStateMixin",
     "common.SharedSuggestionProviderMixin",
     "common.accessor.BoatAccessor",
     "common.accessor.ChunkAccessAccessor",
     "common.accessor.FireAccessor",
+    "common.accessor.MappedGetterAccessor",
     "common.accessor.PerlinNoiseAccessor",
     "common.accessor.ReferenceAccessor",
-    "common.accessor.MappedGetterAccessor",
     "common.accessor.registry.RegistryOpsLookupAcessor"
   ],
   "client": [