Add spawn related commands and data storage system

AriasServerUtils/PlayerData.cs

@@ -0,0 +1,45 @@
+using System;
+using Vintagestory.API.Common.Entities;
+using Vintagestory.API.MathTools;
+
+namespace AriasServerUtils
+{
+    [Serializable]
+    public class PlayerPosition
+    {
+        public int X { get; set; } = 0;
+        public int Y { get; set; } = 0;
+        public int Z { get; set; } = 0;
+        public int Dimension { get; set; } = 0;
+
+        public float Yaw { get; set; } = 0.0f;
+
+
+        public void Merge(Entity entity)
+        {
+            entity.TeleportTo(new BlockPos(X, Y, Z, Dimension));
+            entity.Pos.SetYaw(Yaw);
+        }
+
+
+        /// <summary>
+        /// Generates a PlayerPosition object using a entity.
+        /// </summary>
+        /// <param name="entity">A player entity</param>
+        /// <returns>PlayerPos snapshot object of the entity</returns>
+        public static PlayerPosition from(Entity entity)
+        {
+            PlayerPosition pos = new PlayerPosition();
+
+            BlockPos playerPos = entity.Pos.AsBlockPos;
+            pos.X = playerPos.X;
+            pos.Y = playerPos.Y;
+            pos.Z = playerPos.Z;
+            pos.Dimension = playerPos.dimension;
+
+            pos.Yaw = entity.Pos.Yaw;
+
+            return pos;
+        }
+    }
+}