Paint towers with some the colors of the wind

Assets/_Project/Scripts/Core/Enums.cs

@@ -43,6 +43,22 @@ namespace TD.Core
     }
 
 
+    /// <summary>
+    /// Paint color applied to a built tower by the Paint tool. Orthogonal to the owner's
+    /// player color: <see cref="None"/> means "unpainted" and the tower shows its owner
+    /// color; any other value overrides the visual tint and (in a later iteration) drives
+    /// projectile behavior (splash / poison-DoT / slow). Backed by byte for compact
+    /// NetworkVariable replication.
+    /// </summary>
+    public enum PaintColor : byte
+    {
+        /// <summary>Unpainted — tower shows its owner color. Also the Reset brush.</summary>
+        None  = 0,
+        Red   = 1,
+        Green = 2,
+        Blue  = 3,
+    }
+
     /// <summary>
     /// Identifies a player slot in a match. Backed by byte to keep grid arrays compact.
     /// </summary>

Assets/_Project/Scripts/Core/PaintColors.cs

@@ -0,0 +1,50 @@
+using UnityEngine;
+
+namespace TD.Core
+{
+    /// <summary>
+    /// Canonical RGB values for the tower Paint tool. Saturated primaries so a painted
+    /// tower reads clearly against any owner color. Mirrors the <see cref="PlayerColors"/>
+    /// style (HexRGB constants + a switch lookup).
+    /// </summary>
+    /// <remarks>
+    /// <see cref="PaintColor.None"/> has no color of its own — it means "unpainted", and
+    /// callers fall back to the owner color (<see cref="PlayerColors.Get"/>) in that case.
+    /// <see cref="Get"/> returns a neutral gray for <c>None</c> only so the Reset brush /
+    /// swatch has something to render; tinting code should branch on <c>None</c> before
+    /// calling this.
+    /// </remarks>
+    public static class PaintColors
+    {
+        private static readonly Color PaintRed   = HexRGB(0xD8, 0x2A, 0x2A);
+        private static readonly Color PaintGreen = HexRGB(0x2E, 0xC0, 0x3A);
+        private static readonly Color PaintBlue  = HexRGB(0x2E, 0x6A, 0xE0);
+
+        // Neutral gray used to represent the Reset / "None" brush in UI swatches and the
+        // paint cursor. Not applied as a tower tint (None towers revert to owner color).
+        private static readonly Color ResetGray  = HexRGB(0xB0, 0xB0, 0xB8);
+
+        /// <summary>
+        /// Returns the color for a <see cref="PaintColor"/>. <see cref="PaintColor.None"/>
+        /// returns a neutral gray (for the Reset swatch/cursor) — actual tower tinting
+        /// should treat <c>None</c> as "use owner color" and not call this for that case.
+        /// </summary>
+        public static Color Get(PaintColor color)
+        {
+            switch (color)
+            {
+                case PaintColor.Red:   return PaintRed;
+                case PaintColor.Green: return PaintGreen;
+                case PaintColor.Blue:  return PaintBlue;
+                case PaintColor.None:
+                default:
+                    return ResetGray;
+            }
+        }
+
+        private static Color HexRGB(byte r, byte g, byte b)
+        {
+            return new Color(r / 255f, g / 255f, b / 255f, 1f);
+        }
+    }
+}

Assets/_Project/Scripts/Core/PaintColors.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 75443abdf5c5f43ec9547275fb20f25b