Use named magic constant instead of hardcoding 51/64 everywhere.

fCraft/Commands/ModerationCommands.cs

@@ -1413,7 +1413,7 @@ static void UnfreezeHandler(Player player, CommandReader cmd)
 
                     Vector3I P = player.World.map.HighestFreeSpace(zone.Bounds.XCentre,
                                                                    zone.Bounds.YCentre, zone.Bounds.ZCentre);
-                    Position zPos = new Position(P.X * 32 + 16, P.Y * 32 + 16, P.Z * 32 + (51 + 1));
+                    Position zPos = new Position(P.X * 32 + 16, P.Y * 32 + 16, P.Z * 32 + Player.CharacterHeight);
                     if (player.World != null) {
                         player.LastWorld = player.World;
                         player.LastPosition = player.Position;
@@ -1427,7 +1427,7 @@ static void UnfreezeHandler(Player player, CommandReader cmd)
                 Random rand = new Random();
                 int x = rand.Next(0, player.WorldMap.Width);
                 int y = rand.Next(0, player.WorldMap.Length);
-                int z = (player.Position.Z - 51) / 32;
+                int z = (player.Position.Z - Player.CharacterHeight) / 32;
                 Vector3I P = player.WorldMap.HighestFreeSpace(x, y, z);
 
                 if (player.World != null) {
@@ -1437,7 +1437,7 @@ static void UnfreezeHandler(Player player, CommandReader cmd)
                 player.TeleportTo(new Position {
                     X = (P.X * 32 + 16),
                     Y = (P.Y * 32 + 16),
-                    Z = (P.Z * 32 + (51 + 1)),
+                    Z = (P.Z * 32 + Player.CharacterHeight),
                     R = player.Position.R,
                     L = player.Position.L
                 });
@@ -1672,13 +1672,13 @@ static void UnfreezeHandler(Player player, CommandReader cmd)
         static void TopHandler(Player player, CommandReader cmd) {
             int x = player.Position.BlockX;
             int y = player.Position.BlockY;
-            int z = (player.Position.Z - 51) / 32;
+            int z = (player.Position.Z - Player.CharacterHeight) / 32;
             Vector3I P = player.World.map.HighestFreeSpace(x, y, z);
 
             player.TeleportTo(new Position {
                 X = (P.X * 32 + 16),
                 Y = (P.Y * 32 + 16),
-                Z = (P.Z * 32 + (51 + 1)),
+                Z = (P.Z * 32 + Player.CharacterHeight),
                 R = player.Position.R,
                 L = player.Position.L
             });

fCraft/Player/Player.cs

@@ -41,6 +41,9 @@ public sealed partial class Player : IClassy {
         /// Note that Player.Console.World is always null,
         /// and that prevents console from calling certain commands (like /TP). </summary>
         public static Player Console, AutoRank;
+
+        /// <summary> Height of in-game player model, necessary as Position works in head position. </summary>
+        public const byte CharacterHeight = 51;
 
 
         #region Properties
@@ -267,7 +270,7 @@ public FontFamily LoadFontFamily(string fileName)
         			bb = new BoundingBox(Vector3I.Zero, Vector3I.Zero);
         		bb.XMin = Position.X - 6; bb.XMax = Position.X + 6;
         		bb.YMin = Position.Y - 6; bb.YMax = Position.Y + 6;
-        		bb.ZMin = Position.Z - 51; bb.ZMax = Position.Z;	
+        		bb.ZMin = Position.Z - CharacterHeight; bb.ZMax = Position.Z;	
         		return bb;
         	}
         }

fCraft/Portals/Portal.cs

@@ -50,7 +50,7 @@ public class Portal {
             return new Position(TeleportPosX, TeleportPosY, TeleportPosZ, TeleportPosR, TeleportPosL);
         }
         public Position tpPosition() {
-            return new Position(TeleportPosX, TeleportPosY, TeleportPosZ + 64, TeleportPosR, TeleportPosL);
+            return new Position(TeleportPosX, TeleportPosY, TeleportPosZ + Player.CharacterHeight, TeleportPosR, TeleportPosL);
         }
 
         public bool IsInRange(Player player) {

fCraft/Zone/SpecialZone.Move.cs

@@ -66,7 +66,7 @@ public static partial class SpecialZone {
         }
 
         static bool HandleCheckpoint(Player p, Zone zone, ref bool deniedZone, Position newPos) {
-            Position centre = new Position(zone.Bounds.XCentre * 32 + 16, zone.Bounds.YCentre * 32 + 16, zone.Bounds.ZCentre * 32 + 64);
+            Position centre = new Position(zone.Bounds.XCentre * 32 + 16, zone.Bounds.YCentre * 32 + 16, zone.Bounds.ZCentre * 32 + Player.CharacterHeight);
             if (p.CheckPoint == centre) return false;
             if (zone.Bounds.Contains(newPos.BlockX, newPos.BlockY, (newPos.Z - 32) / 32)) {
                 SendZoneMessage(p, "&aCheckPoint &Sreached! This is now your respawn point.");