From 62317a2f3f4a2b03e0749e5e0a4bca6a284dee83 Mon Sep 17 00:00:00 2001
From: Gavin Tran <gavinpha@outlook.com>
Date: Sun, 21 Apr 2024 14:48:46 -0400
Subject: [PATCH] Add SaltedNoiseFunctions

---
 .../noise/SaltedNoiseFunction2.java           | 38 +++++++++++++++++++
 .../noise/SaltedNoiseFunction3.java           | 38 +++++++++++++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/paralithic/noise/SaltedNoiseFunction2.java
 create mode 100644 common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/paralithic/noise/SaltedNoiseFunction3.java

diff --git a/common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/paralithic/noise/SaltedNoiseFunction2.java b/common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/paralithic/noise/SaltedNoiseFunction2.java
new file mode 100644
index 000000000..16f3b2a8e
--- /dev/null
+++ b/common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/paralithic/noise/SaltedNoiseFunction2.java
@@ -0,0 +1,38 @@
+package com.dfsek.terra.addons.noise.paralithic.noise;
+
+import com.dfsek.paralithic.functions.dynamic.Context;
+import com.dfsek.paralithic.functions.dynamic.DynamicFunction;
+import com.dfsek.paralithic.node.Statefulness;
+
+import com.dfsek.terra.api.noise.NoiseSampler;
+
+import org.jetbrains.annotations.NotNull;
+
+
+public class SaltedNoiseFunction2 implements DynamicFunction  {
+    private final NoiseSampler gen;
+
+    public SaltedNoiseFunction2(NoiseSampler gen) {
+        this.gen = gen;
+    }
+
+    @Override
+    public double eval(double... args) {
+        throw new UnsupportedOperationException("Cannot evaluate seeded function without seed context.");
+    }
+
+    @Override
+    public double eval(Context context, double... args) {
+        return gen.noise(((SeedContext) context).getSeed() + (long) args[2], args[0], args[1]);
+    }
+
+    @Override
+    public int getArgNumber() {
+        return 3;
+    }
+
+    @Override
+    public @NotNull Statefulness statefulness() {
+        return Statefulness.CONTEXTUAL;
+    }
+}
diff --git a/common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/paralithic/noise/SaltedNoiseFunction3.java b/common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/paralithic/noise/SaltedNoiseFunction3.java
new file mode 100644
index 000000000..5dc483d5c
--- /dev/null
+++ b/common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/paralithic/noise/SaltedNoiseFunction3.java
@@ -0,0 +1,38 @@
+package com.dfsek.terra.addons.noise.paralithic.noise;
+
+import com.dfsek.paralithic.functions.dynamic.Context;
+import com.dfsek.paralithic.functions.dynamic.DynamicFunction;
+import com.dfsek.paralithic.node.Statefulness;
+
+import com.dfsek.terra.api.noise.NoiseSampler;
+
+import org.jetbrains.annotations.NotNull;
+
+
+public class SaltedNoiseFunction3 implements DynamicFunction {
+    private final NoiseSampler gen;
+
+    public SaltedNoiseFunction3(NoiseSampler gen) {
+        this.gen = gen;
+    }
+
+    @Override
+    public double eval(double... args) {
+        throw new UnsupportedOperationException("Cannot evaluate seeded function without seed context.");
+    }
+
+    @Override
+    public double eval(Context context, double... args) {
+        return gen.noise(((SeedContext) context).getSeed() + (long) args[3], args[0], args[1], args[2]);
+    }
+
+    @Override
+    public int getArgNumber() {
+        return 4;
+    }
+
+    @Override
+    public @NotNull Statefulness statefulness() {
+        return Statefulness.CONTEXTUAL;
+    }
+}