6 files changed, 54 insertions, 17 deletions
diff --git a/modules/mono/glue/cs_files/Basis.cs b/modules/mono/glue/cs_files/Basis.cs
index 270f3b80a2..aa49a5e04f 100644
--- a/modules/mono/glue/cs_files/Basis.cs
+++ b/modules/mono/glue/cs_files/Basis.cs
@@ -453,15 +453,15 @@ namespace Godot
 
             c = Mathf.Cos(euler.x);
             s = Mathf.Sin(euler.x);
-            var xmat = new Basis((real_t)1.0, (real_t)0.0, (real_t)0.0, (real_t)0.0, c, -s, (real_t)0.0, s, c);
+            var xmat = new Basis(1, 0, 0, 0, c, -s, 0, s, c);
 
             c = Mathf.Cos(euler.y);
             s = Mathf.Sin(euler.y);
-            var ymat = new Basis(c, (real_t)0.0, s, (real_t)0.0, (real_t)1.0, (real_t)0.0, -s, (real_t)0.0, c);
+            var ymat = new Basis(c, 0, s, 0, 1, 0, -s, 0, c);
 
             c = Mathf.Cos(euler.z);
             s = Mathf.Sin(euler.z);
-            var zmat = new Basis(c, -s, (real_t)0.0, s, c, (real_t)0.0, (real_t)0.0, (real_t)0.0, (real_t)1.0);
+            var zmat = new Basis(c, -s, 0, s, c, 0, 0, 0, 1);
 
             this = ymat * xmat * zmat;
         }
diff --git a/modules/mono/glue/cs_files/Mathf.cs b/modules/mono/glue/cs_files/Mathf.cs
index 0d20a12563..a89dfe5f27 100644
--- a/modules/mono/glue/cs_files/Mathf.cs
+++ b/modules/mono/glue/cs_files/Mathf.cs
@@ -138,19 +138,9 @@ namespace Godot
             return (real_t)Math.Floor(s);
         }
 
-        public static real_t Fposmod(real_t x, real_t y)
-        {
-            if (x >= 0f)
-            {
-                return x % y;
-            }
-
-            return y - -x % y;
-        }
-
         public static real_t InverseLerp(real_t from, real_t to, real_t weight)
         {
-           return (Clamp(weight, 0f, 1f) - from) / (to - from);
+           return (weight - from) / (to - from);
         }
 
         public static bool IsInf(real_t s)
@@ -165,7 +155,7 @@ namespace Godot
 
         public static real_t Lerp(real_t from, real_t to, real_t weight)
         {
-            return from + (to - from) * Clamp(weight, 0f, 1f);
+            return from + (to - from) * weight;
         }
 
         public static real_t Log(real_t s)
@@ -210,6 +200,32 @@ namespace Godot
             return new Vector2(r * Cos(th), r * Sin(th));
         }
 
+        /// <summary>
+        /// Performs a canonical Modulus operation, where the output is on the range [0, b).
+        /// </summary>
+        public static real_t PosMod(real_t a, real_t b)
+        {
+            real_t c = a % b;
+            if ((c < 0 && b > 0) || (c > 0 && b < 0)) 
+            {
+                c += b;
+            }
+            return c;
+        }
+
+        /// <summary>
+        /// Performs a canonical Modulus operation, where the output is on the range [0, b).
+        /// </summary>
+        public static int PosMod(int a, int b)
+        {
+            int c = a % b;
+            if ((c < 0 && b > 0) || (c > 0 && b < 0)) 
+            {
+                c += b;
+            }
+            return c;
+        }
+
         public static real_t Pow(real_t x, real_t y)
         {
             return (real_t)Math.Pow(x, y);
diff --git a/modules/mono/glue/cs_files/RPCAttributes.cs b/modules/mono/glue/cs_files/RPCAttributes.cs
index 08841ffd76..6bf9560bfa 100644
--- a/modules/mono/glue/cs_files/RPCAttributes.cs
+++ b/modules/mono/glue/cs_files/RPCAttributes.cs
@@ -13,4 +13,13 @@ namespace Godot
 
     [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field)]
     public class SlaveAttribute : Attribute {}
+
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field)]
+    public class RemoteSyncAttribute : Attribute {}
+
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field)]
+    public class MasterSyncAttribute : Attribute {}
+
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field)]
+    public class SlaveSyncAttribute : Attribute {}
 }
diff --git a/modules/mono/glue/cs_files/VERSION.txt b/modules/mono/glue/cs_files/VERSION.txt
index 0cfbf08886..b8626c4cff 100755
--- a/modules/mono/glue/cs_files/VERSION.txt
+++ b/modules/mono/glue/cs_files/VERSION.txt
@@ -1 +1 @@
-2
+4
diff --git a/modules/mono/glue/cs_files/Vector2.cs b/modules/mono/glue/cs_files/Vector2.cs
index 9bc40cf8df..c274364895 100644
--- a/modules/mono/glue/cs_files/Vector2.cs
+++ b/modules/mono/glue/cs_files/Vector2.cs
@@ -62,7 +62,7 @@ namespace Godot
             }
         }
 
-        private real_t Cross(Vector2 b)
+        public real_t Cross(Vector2 b)
         {
             return x * b.y - y * b.x;
         }
@@ -210,6 +210,12 @@ namespace Godot
             x = v.x;
             y = v.y;
         }
+        
+        public Vector2 Slerp(Vector2 b, real_t t)
+        {
+            real_t theta = AngleTo(b);
+            return Rotated(theta * t);
+        }
 
         public Vector2 Slide(Vector2 n)
         {
diff --git a/modules/mono/glue/cs_files/Vector3.cs b/modules/mono/glue/cs_files/Vector3.cs
index 57e4494f7e..085a4f0043 100644
--- a/modules/mono/glue/cs_files/Vector3.cs
+++ b/modules/mono/glue/cs_files/Vector3.cs
@@ -242,6 +242,12 @@ namespace Godot
             z = v.z;
         }
 
+        public Vector3 Slerp(Vector3 b, real_t t)
+        {
+            real_t theta = AngleTo(b);
+            return Rotated(Cross(b), theta * t);
+        }
+
         public Vector3 Slide(Vector3 n)
         {
             return this - n * Dot(n);