From ce128b944c3241a4a0d79121fba79bdb76fa17ab Mon Sep 17 00:00:00 2001
From: McHorse <mchorselessrider@gmail.com>
Date: Fri, 12 Feb 2021 17:41:55 +0000
Subject: [PATCH] Inverse trig functions need to be in degrees

---
 .../client/particles/molang/MolangParser.java |  8 ++++++++
 .../molang/functions/AcosDegrees.java         | 18 ++++++++++++++++++
 .../molang/functions/AsinDegrees.java         | 19 +++++++++++++++++++
 .../molang/functions/Atan2Degrees.java        | 18 ++++++++++++++++++
 .../molang/functions/AtanDegrees.java         | 18 ++++++++++++++++++
 5 files changed, 81 insertions(+)
 create mode 100644 src/main/java/mchorse/blockbuster/client/particles/molang/functions/AcosDegrees.java
 create mode 100644 src/main/java/mchorse/blockbuster/client/particles/molang/functions/AsinDegrees.java
 create mode 100644 src/main/java/mchorse/blockbuster/client/particles/molang/functions/Atan2Degrees.java
 create mode 100644 src/main/java/mchorse/blockbuster/client/particles/molang/functions/AtanDegrees.java

diff --git a/src/main/java/mchorse/blockbuster/client/particles/molang/MolangParser.java b/src/main/java/mchorse/blockbuster/client/particles/molang/MolangParser.java
index 14c3028eb..2b86b2c1c 100644
--- a/src/main/java/mchorse/blockbuster/client/particles/molang/MolangParser.java
+++ b/src/main/java/mchorse/blockbuster/client/particles/molang/MolangParser.java
@@ -6,6 +6,10 @@
 import mchorse.blockbuster.client.particles.molang.expressions.MolangExpression;
 import mchorse.blockbuster.client.particles.molang.expressions.MolangMultiStatement;
 import mchorse.blockbuster.client.particles.molang.expressions.MolangValue;
+import mchorse.blockbuster.client.particles.molang.functions.AcosDegrees;
+import mchorse.blockbuster.client.particles.molang.functions.AsinDegrees;
+import mchorse.blockbuster.client.particles.molang.functions.Atan2Degrees;
+import mchorse.blockbuster.client.particles.molang.functions.AtanDegrees;
 import mchorse.blockbuster.client.particles.molang.functions.CosDegrees;
 import mchorse.blockbuster.client.particles.molang.functions.SinDegrees;
 import mchorse.mclib.math.Constant;
@@ -39,6 +43,10 @@ public MolangParser()
         /* Replace radian based sin and cos with degreebased */
         this.functions.put("cos", CosDegrees.class);
         this.functions.put("sin", SinDegrees.class);
+        this.functions.put("acos", AcosDegrees.class);
+        this.functions.put("asin", AsinDegrees.class);
+        this.functions.put("atan", AtanDegrees.class);
+        this.functions.put("atan2", Atan2Degrees.class);
 
         /* Remap functions to be in tact with Molang specification */
         this.remap("abs", "math.abs");
diff --git a/src/main/java/mchorse/blockbuster/client/particles/molang/functions/AcosDegrees.java b/src/main/java/mchorse/blockbuster/client/particles/molang/functions/AcosDegrees.java
new file mode 100644
index 000000000..6db635741
--- /dev/null
+++ b/src/main/java/mchorse/blockbuster/client/particles/molang/functions/AcosDegrees.java
@@ -0,0 +1,18 @@
+package mchorse.blockbuster.client.particles.molang.functions;
+
+import mchorse.mclib.math.IValue;
+import mchorse.mclib.math.functions.trig.Acos;
+
+public class AcosDegrees extends Acos
+{
+    public AcosDegrees(IValue[] values, String name) throws Exception
+    {
+        super(values, name);
+    }
+
+    @Override
+    public double get()
+    {
+        return super.get() / Math.PI * 180;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/mchorse/blockbuster/client/particles/molang/functions/AsinDegrees.java b/src/main/java/mchorse/blockbuster/client/particles/molang/functions/AsinDegrees.java
new file mode 100644
index 000000000..c0065a1fc
--- /dev/null
+++ b/src/main/java/mchorse/blockbuster/client/particles/molang/functions/AsinDegrees.java
@@ -0,0 +1,19 @@
+package mchorse.blockbuster.client.particles.molang.functions;
+
+import mchorse.mclib.math.IValue;
+import mchorse.mclib.math.functions.Function;
+import mchorse.mclib.math.functions.trig.Asin;
+
+public class AsinDegrees extends Asin
+{
+    public AsinDegrees(IValue[] values, String name) throws Exception
+    {
+        super(values, name);
+    }
+
+    @Override
+    public double get()
+    {
+        return super.get() / Math.PI * 180;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/mchorse/blockbuster/client/particles/molang/functions/Atan2Degrees.java b/src/main/java/mchorse/blockbuster/client/particles/molang/functions/Atan2Degrees.java
new file mode 100644
index 000000000..b8e017651
--- /dev/null
+++ b/src/main/java/mchorse/blockbuster/client/particles/molang/functions/Atan2Degrees.java
@@ -0,0 +1,18 @@
+package mchorse.blockbuster.client.particles.molang.functions;
+
+import mchorse.mclib.math.IValue;
+import mchorse.mclib.math.functions.trig.Atan2;
+
+public class Atan2Degrees extends Atan2
+{
+    public Atan2Degrees(IValue[] values, String name) throws Exception
+    {
+        super(values, name);
+    }
+
+    @Override
+    public double get()
+    {
+        return super.get() / Math.PI * 180;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/mchorse/blockbuster/client/particles/molang/functions/AtanDegrees.java b/src/main/java/mchorse/blockbuster/client/particles/molang/functions/AtanDegrees.java
new file mode 100644
index 000000000..4d2187d22
--- /dev/null
+++ b/src/main/java/mchorse/blockbuster/client/particles/molang/functions/AtanDegrees.java
@@ -0,0 +1,18 @@
+package mchorse.blockbuster.client.particles.molang.functions;
+
+import mchorse.mclib.math.IValue;
+import mchorse.mclib.math.functions.trig.Atan;
+
+public class AtanDegrees extends Atan
+{
+    public AtanDegrees(IValue[] values, String name) throws Exception
+    {
+        super(values, name);
+    }
+
+    @Override
+    public double get()
+    {
+        return super.get() / Math.PI * 180;
+    }
+}
\ No newline at end of file