Add fast alternative constructor for Rotations

paper-server/patches/sources/net/minecraft/core/Rotations.java.patch

@@ -0,0 +1,21 @@
+--- a/net/minecraft/core/Rotations.java
++++ b/net/minecraft/core/Rotations.java
+@@ -34,6 +34,18 @@
+         this(serialized.getFloat(0), serialized.getFloat(1), serialized.getFloat(2));
+     }
+ 
++    // Paper start - faster alternative constructor
++    private Rotations(float x, float y, float z, Void dummy_var) {
++        this.x = x;
++        this.y = y;
++        this.z = z;
++    }
++
++    public static Rotations createWithoutValidityChecks(float x, float y, float z) {
++        return new Rotations(x, y, z, null);
++    }
++    // Paper end - faster alternative constructor
++
+     public ListTag save() {
+         ListTag listTag = new ListTag();
+         listTag.add(FloatTag.valueOf(this.x));