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mod/PLibLighting/PLightShape.cs

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+/*
+ * Copyright 2022 Peter Han
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+using System;
+using UnityEngine;
+
+using BrightnessDict = System.Collections.Generic.IDictionary<int, float>;
+
+namespace PeterHan.PLib.Lighting {
+	/// <summary>
+	/// Represents a light shape which can be used by mods.
+	/// </summary>
+	internal sealed class PLightShape : ILightShape {
+		/// <summary>
+		/// The handler for this light shape.
+		/// </summary>
+		private readonly PLightManager.CastLightDelegate handler;
+
+		public string Identifier { get; }
+
+		public LightShape KleiLightShape {
+			get {
+				return ShapeID + LightShape.Cone;
+			}
+		}
+
+		public LightShape RayMode { get; }
+
+		/// <summary>
+		/// The light shape ID.
+		/// </summary>
+		internal int ShapeID { get; }
+
+		internal PLightShape(int id, string identifier, PLightManager.CastLightDelegate handler,
+				LightShape rayMode) {
+			this.handler = handler ?? throw new ArgumentNullException(nameof(handler));
+			Identifier = identifier ?? throw new ArgumentNullException(nameof(identifier));
+			RayMode = rayMode;
+			ShapeID = id;
+		}
+
+		public override bool Equals(object obj) {
+			return obj is PLightShape other && other.Identifier == Identifier;
+		}
+
+		/// <summary>
+		/// Invokes the light handler with the provided light information.
+		/// </summary>
+		/// <param name="source">The source of the light.</param>
+		/// <param name="cell">The origin cell.</param>
+		/// <param name="range">The range to fill.</param>
+		/// <param name="brightness">The location where lit points will be stored.</param>
+		internal void DoFillLight(GameObject source, int cell, int range,
+				BrightnessDict brightness) {
+			handler.Invoke(new LightingArgs(source, cell, range, brightness));
+		}
+
+		public void FillLight(LightingArgs args) {
+			handler.Invoke(args);
+		}
+
+		public override int GetHashCode() {
+			return Identifier.GetHashCode();
+		}
+
+		public override string ToString() {
+			return "PLightShape[ID=" + Identifier + "]";
+		}
+	}
+}