diff --git a/managed/src/SwiftlyS2.Shared/Misc/BitFieldHelper.cs b/managed/src/SwiftlyS2.Shared/Misc/BitFieldHelper.cs
index 502e8a0c8..f7962bedd 100644
--- a/managed/src/SwiftlyS2.Shared/Misc/BitFieldHelper.cs
+++ b/managed/src/SwiftlyS2.Shared/Misc/BitFieldHelper.cs
@@ -1,55 +1,55 @@
-namespace SwiftlyS2.Shared.Misc;
+namespace SwiftlyS2.Shared.Misc;
 
-static class BitFieldHelper
+internal static class BitFieldHelper
 {
-    public static int GetBits(ref byte data, int index, int bitCount)
+    public static int GetBits( ref byte data, int index, int bitCount )
     {
         if (index < 0 || index + bitCount > 8) throw new ArgumentOutOfRangeException();
-        int mask = (1 << bitCount) - 1;
+        var mask = (1 << bitCount) - 1;
         return (data >> index) & mask;
     }
 
-    public static void SetBits(ref byte data, int index, int bitCount, int value)
+    public static void SetBits( ref byte data, int index, int bitCount, int value )
     {
         if (index < 0 || index + bitCount > 8) throw new ArgumentOutOfRangeException();
-        int mask = ((1 << bitCount) - 1) << index;
+        var mask = ((1 << bitCount) - 1) << index;
         data = (byte)((data & ~mask) | ((value << index) & mask));
     }
 
-    public static int GetBits(ref int data, int index, int bitCount)
+    public static int GetBits( ref int data, int index, int bitCount )
     {
         if (index < 0 || index + bitCount > 32) throw new ArgumentOutOfRangeException();
-        int mask = (1 << bitCount) - 1;
+        var mask = (1 << bitCount) - 1;
         return (data >> index) & mask;
     }
 
-    public static void SetBits(ref int data, int index, int bitCount, int value)
+    public static void SetBits( ref int data, int index, int bitCount, int value )
     {
         if (index < 0 || index + bitCount > 32) throw new ArgumentOutOfRangeException();
-        int mask = ((1 << bitCount) - 1) << index;
+        var mask = ((1 << bitCount) - 1) << index;
         data = (data & ~mask) | ((value << index) & mask);
     }
 
-    public static long GetBits(ref long data, int index, int bitCount)
+    public static long GetBits( ref long data, int index, int bitCount )
     {
         if (index < 0 || index + bitCount > 64) throw new ArgumentOutOfRangeException();
-        long mask = (1L << bitCount) - 1;
+        var mask = (1L << bitCount) - 1;
         return (data >> index) & mask;
     }
 
-    public static void SetBits(ref long data, int index, int bitCount, long value)
+    public static void SetBits( ref long data, int index, int bitCount, long value )
     {
         if (index < 0 || index + bitCount > 64) throw new ArgumentOutOfRangeException();
-        long mask = ((1L << bitCount) - 1) << index;
+        var mask = ((1L << bitCount) - 1) << index;
         data = (data & ~mask) | ((value << index) & mask);
     }
 
-    public static bool GetBit(ref byte data, int index) => GetBits(ref data, index, 1) != 0;
-    public static void SetBit(ref byte data, int index, bool value) => SetBits(ref data, index, 1, value ? 1 : 0);
+    public static bool GetBit( ref byte data, int index ) => GetBits(ref data, index, 1) != 0;
+    public static void SetBit( ref byte data, int index, bool value ) => SetBits(ref data, index, 1, value ? 1 : 0);
 
-    public static bool GetBit(ref int data, int index) => GetBits(ref data, index, 1) != 0;
-    public static void SetBit(ref int data, int index, bool value) => SetBits(ref data, index, 1, value ? 1 : 0);
+    public static bool GetBit( ref int data, int index ) => GetBits(ref data, index, 1) != 0;
+    public static void SetBit( ref int data, int index, bool value ) => SetBits(ref data, index, 1, value ? 1 : 0);
 
-    public static bool GetBit(ref long data, int index) => GetBits(ref data, index, 1) != 0;
-    public static void SetBit(ref long data, int index, bool value) => SetBits(ref data, index, 1, value ? 1 : 0);
+    public static bool GetBit( ref long data, int index ) => GetBits(ref data, index, 1) != 0;
+    public static void SetBit( ref long data, int index, bool value ) => SetBits(ref data, index, 1, value ? 1 : 0);
 }
\ No newline at end of file
diff --git a/managed/src/SwiftlyS2.Shared/Natives/Structs/CMoveData.cs b/managed/src/SwiftlyS2.Shared/Natives/Structs/CMoveData.cs
new file mode 100644
index 000000000..3b81c4c9b
--- /dev/null
+++ b/managed/src/SwiftlyS2.Shared/Natives/Structs/CMoveData.cs
@@ -0,0 +1,36 @@
+// Reference: https://github.com/KZGlobalTeam/cs2kz-metamod/blob/8d4038394173f1c10d763346d45cd3ccbc0091aa/src/sdk/datatypes.h#L252-L278
+
+using System.Runtime.InteropServices;
+
+namespace SwiftlyS2.Shared.Natives;
+
+[StructLayout(LayoutKind.Sequential)]
+public unsafe struct CMoveData
+{
+    public CMoveDataBase Base; // class CMoveData : public CMoveDataBase
+
+    public Vector OutWishVel;
+    public QAngle OldAngles;
+
+    /// <summary>
+    /// World space input vector. Used to compare against the movement services' previous rotation for ground movement stuff.
+    /// </summary>
+    public Vector InputRotated;
+
+    /// <summary>
+    /// Continuous acceleration in units per second squared (u/s²).
+    /// </summary>
+    public Vector ContinuousAcceleration;
+
+    /// <summary>
+    /// Immediate delta in u/s. Air acceleration bypasses per second acceleration,
+    /// applies up to half of its impulse to the velocity and the rest goes straight into this.
+    /// </summary>
+    public Vector FrameVelocityDelta;
+
+    public float MaxSpeed;
+    public float ClientMaxSpeed;
+    public float FrictionDecel;
+    public bool InAir;
+    public bool GameCodeMovedPlayer; // true if usercmd cmd number == (m_nGameCodeHasMovedPlayerAfterCommand + 1)
+}
\ No newline at end of file
diff --git a/managed/src/SwiftlyS2.Shared/Natives/Structs/CMoveDataBase.cs b/managed/src/SwiftlyS2.Shared/Natives/Structs/CMoveDataBase.cs
new file mode 100644
index 000000000..93a5a0e02
--- /dev/null
+++ b/managed/src/SwiftlyS2.Shared/Natives/Structs/CMoveDataBase.cs
@@ -0,0 +1,46 @@
+// Reference: https://github.com/KZGlobalTeam/cs2kz-metamod/blob/8d4038394173f1c10d763346d45cd3ccbc0091aa/src/sdk/datatypes.h#L165-L250
+
+using System.Runtime.InteropServices;
+using SwiftlyS2.Shared.Misc;
+using SwiftlyS2.Shared.SchemaDefinitions;
+
+namespace SwiftlyS2.Shared.Natives;
+
+[StructLayout(LayoutKind.Sequential)]
+public unsafe struct CMoveDataBase
+{
+    private byte _bitfield0; // Bitfield members
+
+    public bool HasZeroFrametime {
+        get => BitFieldHelper.GetBit(ref _bitfield0, 0);
+        set => BitFieldHelper.SetBit(ref _bitfield0, 0, value);
+    }
+
+    public bool IsLateCommand {
+        get => BitFieldHelper.GetBit(ref _bitfield0, 1);
+        set => BitFieldHelper.SetBit(ref _bitfield0, 1, value);
+    }
+
+    public CHandle<CCSPlayerPawn> PlayerHandle;
+    public QAngle AbsViewAngles;
+    public QAngle ViewAngles;
+    public Vector LastMovementImpulses;
+    public float ForwardMove;
+    public float SideMove; // Warning! Flipped compared to CS:GO, moving right gives negative value
+    public float UpMove;
+    public Vector Velocity;
+    public QAngle Angles;
+    public Vector Unknown; // Unused. Probably pulled from engine upstream.
+    public CUtlVector<SubtickMove> SubtickMoves;
+    public CUtlVector<SubtickMove> AttackSubtickMoves;
+    public bool HasSubtickInputs;
+    public float UnknownFloat; // Set to 1.0 during SetupMove, never change during gameplay. Is apparently used for weapon services stuff.
+    public CUtlVector<TouchListT> TouchList;
+    public Vector CollisionNormal;
+    public Vector GroundNormal;
+    public Vector AbsOrigin;
+    public int TickCount;
+    public int TargetTick;
+    public float SubtickStartFraction;
+    public float SubtickEndFraction;
+}
\ No newline at end of file
diff --git a/managed/src/SwiftlyS2.Shared/Natives/Structs/SubtickMove.cs b/managed/src/SwiftlyS2.Shared/Natives/Structs/SubtickMove.cs
new file mode 100644
index 000000000..0df6e5088
--- /dev/null
+++ b/managed/src/SwiftlyS2.Shared/Natives/Structs/SubtickMove.cs
@@ -0,0 +1,39 @@
+// Reference: https://github.com/KZGlobalTeam/cs2kz-metamod/blob/8d4038394173f1c10d763346d45cd3ccbc0091aa/src/sdk/datatypes.h#L141-L163
+
+using System.Runtime.InteropServices;
+
+namespace SwiftlyS2.Shared.Natives;
+
+[StructLayout(LayoutKind.Explicit, Size = 0x20, Pack = 1)]
+public struct SubtickMove
+{
+    [FieldOffset(0x00)]
+    public float When;
+
+    [FieldOffset(0x04)]
+    private readonly int Padding0;
+
+    [FieldOffset(0x08)]
+    public ulong Button;
+
+    // Union: pressed (bool) or analogMove struct
+    [FieldOffset(0x10)]
+    public bool Pressed;
+
+    [FieldOffset(0x10)]
+    public float AnalogForwardDelta;
+
+    [FieldOffset(0x14)]
+    public float AnalogLeftDelta;
+
+    [FieldOffset(0x18)]
+    public float PitchDelta;
+
+    [FieldOffset(0x1C)]
+    public float YawDelta;
+
+    public readonly bool IsAnalogInput()
+    {
+        return Button == 0;
+    }
+}
\ No newline at end of file
diff --git a/managed/src/SwiftlyS2.Shared/Natives/Structs/TouchListT.cs b/managed/src/SwiftlyS2.Shared/Natives/Structs/TouchListT.cs
new file mode 100644
index 000000000..29086221c
--- /dev/null
+++ b/managed/src/SwiftlyS2.Shared/Natives/Structs/TouchListT.cs
@@ -0,0 +1,12 @@
+// Reference: https://github.com/KZGlobalTeam/cs2kz-metamod/blob/8d4038394173f1c10d763346d45cd3ccbc0091aa/src/sdk/datatypes.h#L135-L139
+
+using System.Runtime.InteropServices;
+
+namespace SwiftlyS2.Shared.Natives;
+
+[StructLayout(LayoutKind.Sequential)]
+public struct TouchListT
+{
+    public Vector DeltaVelocity;
+    public CGameTrace Trace;
+}
\ No newline at end of file
diff --git a/managed/src/TestPlugin/TestPlugin.cs b/managed/src/TestPlugin/TestPlugin.cs
index 9342ee300..6ef31563b 100644
--- a/managed/src/TestPlugin/TestPlugin.cs
+++ b/managed/src/TestPlugin/TestPlugin.cs
@@ -637,6 +637,7 @@ public void GetIpCommand( ICommandContext context )
 
     //     Core.Menus.OpenMenu(player, settingsMenu);
     // }
+
     [Command("ed")]
     public void EndRoundCommand( ICommandContext _ )
     {
@@ -644,6 +645,23 @@ public void EndRoundCommand( ICommandContext _ )
         gameRules.TerminateRound(RoundEndReason.CTsWin, 10.0f);
     }
 
+    [Command("sizecheck")]
+    public void SizeCheckCommand( ICommandContext _ )
+    {
+        unsafe
+        {
+            var moveDataSize = sizeof(CMoveData);
+            var moveDataBaseSize = sizeof(CMoveDataBase);
+            var subtickMoveSize = sizeof(SubtickMove);
+            var touchListSize = sizeof(TouchListT);
+
+            Console.WriteLine($"CMoveData size: {moveDataSize} bytes");
+            Console.WriteLine($"CMoveDataBase size: {moveDataBaseSize} bytes");
+            Console.WriteLine($"SubtickMove size: {subtickMoveSize} bytes");
+            Console.WriteLine($"TouchListT size: {touchListSize} bytes");
+        }
+    }
+
     [Command("tm")]
     public void TestMenuCommand( ICommandContext context )
     {