(Feat) Add Build

Assets/GAME/Script/Building/BuildSnapPoint.cs

@@ -24,8 +24,9 @@ namespace Ashwild.Building
     /// of the ghost, so the ghost never snaps to itself.
     ///
     /// Once another piece connects here the socket is marked occupied — the placement snapping skips
-    /// occupied sockets (so two pieces never stack on the same connection) and its gizmo turns from
-    /// blue (free) to red (occupied) in the Scene view.
+    /// occupied sockets (so two pieces never stack on the same connection) and its gizmo turns red
+    /// in the Scene view; while free it takes the colour of its category, so a glance at a prefab
+    /// tells which sockets can ever link together.
     /// </summary>
     [DisallowMultipleComponent]
     public class BuildSnapPoint : MonoBehaviour
@@ -61,19 +62,42 @@ namespace Ashwild.Building
 
         #region Gizmos
 
+        private static readonly Color OccupiedColor = new Color(1f, 0.3f, 0.3f, 0.9f);
+        private static readonly Color FloorColor = new Color(0.3f, 0.8f, 1f, 0.9f);
+        private static readonly Color WallColor = new Color(0.4f, 1f, 0.5f, 0.9f);
+        private static readonly Color RoofColor = new Color(1f, 0.75f, 0.25f, 0.9f);
+        private static readonly Color PillarColor = new Color(0.8f, 0.5f, 1f, 0.9f);
+        private static readonly Color CustomColor = new Color(1f, 1f, 1f, 0.9f);
+
         /// <summary>
-        /// Draws the socket in the editor: a sphere (blue when free, red once occupied) plus a ray
-        /// along its forward (Z) axis — the direction the connecting piece attaches. Two sockets link
-        /// only when their forwards face each other, so orient each empty's blue arrow outward toward
-        /// where the neighbour should sit.
+        /// Draws the socket in the editor: a sphere plus a ray along its forward (Z) axis — the
+        /// direction the connecting piece attaches. Two sockets link only when their forwards face
+        /// each other, so orient each empty's arrow outward toward where the neighbour should sit.
         /// </summary>
         private void OnDrawGizmos()
         {
-            Gizmos.color = occupied ? new Color(1f, 0.3f, 0.3f, 0.9f) : new Color(0.3f, 0.8f, 1f, 0.9f);
+            Gizmos.color = occupied ? OccupiedColor : GetCategoryColor(category);
             Gizmos.DrawWireSphere(transform.position, 0.12f);
             Gizmos.DrawRay(transform.position, transform.forward * 0.35f);
         }
 
+        /// <summary>
+        /// Maps a connection category to its Scene-view colour. Sockets that can link share a
+        /// category, so same-coloured gizmos are exactly the ones that may ever snap together —
+        /// mismatched colours on two pieces mean they will never connect.
+        /// </summary>
+        private static Color GetCategoryColor(SnapCategory value)
+        {
+            switch (value)
+            {
+                case SnapCategory.Floor: return FloorColor;
+                case SnapCategory.Wall: return WallColor;
+                case SnapCategory.Roof: return RoofColor;
+                case SnapCategory.Pillar: return PillarColor;
+                default: return CustomColor;
+            }
+        }
+
         #endregion
     }
 }