From 9392124317491f2d59df3f07ce90a739945ac3a4 Mon Sep 17 00:00:00 2001
From: Harrison Deng <yunyangdeng@gmail.com>
Date: Tue, 15 Jan 2019 19:34:59 -0600
Subject: [PATCH] began work on skin manager with basics done and untested.

---
 RecrownedAthenaeum/RecrownedAthenaeum.csproj |   1 +
 RecrownedAthenaeum/UI/Skin/SkinManager.cs    | 104 +++++++++++++++++++
 2 files changed, 105 insertions(+)
 create mode 100644 RecrownedAthenaeum/UI/Skin/SkinManager.cs

diff --git a/RecrownedAthenaeum/RecrownedAthenaeum.csproj b/RecrownedAthenaeum/RecrownedAthenaeum.csproj
index 84589a6..169aaaf 100644
--- a/RecrownedAthenaeum/RecrownedAthenaeum.csproj
+++ b/RecrownedAthenaeum/RecrownedAthenaeum.csproj
@@ -92,6 +92,7 @@
     <Compile Include="UI\Skin\Definitions\TextSkinDefinition.cs" />
     <Compile Include="UI\Skin\Skin.cs" />
     <Compile Include="Serializable\SkinData.cs" />
+    <Compile Include="UI\Skin\SkinManager.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
diff --git a/RecrownedAthenaeum/UI/Skin/SkinManager.cs b/RecrownedAthenaeum/UI/Skin/SkinManager.cs
new file mode 100644
index 0000000..645eed2
--- /dev/null
+++ b/RecrownedAthenaeum/UI/Skin/SkinManager.cs
@@ -0,0 +1,104 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using Newtonsoft.Json;
+using RecrownedAthenaeum.Pipeline;
+using RecrownedAthenaeum.Serializable;
+using RecrownedAthenaeum.SpecialTypes;
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace RecrownedAthenaeum.UI.Skin
+{
+    /// <summary>
+    /// Manages reference to default and loading of custom skins.
+    /// </summary>
+    public class SkinManager
+    {
+        private const string EXTENSION = ".rbskin";
+        /// <summary>
+        /// The directory that contains the skins.
+        /// </summary>
+        public string skinsDirectory;
+        List<string> skinPaths = new List<string>();
+
+        /// <summary>
+        /// Updates list of skins by searching recursively in the set <see cref="skinsDirectory"/>.
+        /// </summary>
+        public void SearchForSkins()
+        {
+            skinPaths.Clear();
+            skinPaths = RecursiveSkinSearch(skinsDirectory);
+        }
+
+        /// <summary>
+        /// Loads skin data if extension is valid.
+        /// </summary>
+        /// <param name="path">the path to load from.</param>
+        /// <returns>A <see cref="SkinData"/> that holds all the information and some metadata for the loaded skin.</returns>
+        public SkinData LoadSkinData(string path)
+        {
+            if (path.ToLower().EndsWith(EXTENSION))
+            {
+                return JsonConvert.DeserializeObject<SkinData>(File.ReadAllText(path));
+            }
+            throw new ArgumentException("The path given does not point to a file with the required extension \"" + EXTENSION + "\" rather, has \"" + Path.GetExtension(path) + "\".");
+        }
+
+        /// <summary>
+        /// Generate skin from skin data.
+        /// </summary>
+        /// <param name="skinData">The skin data to generate skin from.</param>
+        /// <param name="path">The path pointing the ".rbskin" file.</param>
+        /// <param name="graphicsDevice">The graphics device to generate the texture.</param>
+        /// <returns>The skin generated from the skin data.</returns>
+        public Skin GenerateSkinFromData(SkinData skinData, string path, GraphicsDevice graphicsDevice)
+        {
+            TextureAtlasDataReader textureAtlasDataReader = new TextureAtlasDataReader();
+            DirectoryInfo parentFolder = Directory.GetParent(path);
+            TextureAtlasData atlasData = JsonConvert.DeserializeObject<TextureAtlasData>(parentFolder.FullName + "/" + skinData.nameOfTextureAtlas);
+            Texture2D atlasTexture;
+            using (FileStream stream = new FileStream(parentFolder.FullName + "/" + atlasData.textureName, FileMode.Open))
+            {
+                atlasTexture = Texture2D.FromStream(graphicsDevice, stream);
+            }
+            TextureAtlas.Region[] regions = textureAtlasDataReader.GenerateAtlasRegionsFromData(atlasData, atlasTexture);
+
+            Skin skin = new Skin(new TextureAtlas(atlasTexture, regions));
+
+            for (int i = 0; i < skinData.colors.Length; i++)
+            {
+                SkinData.ColorData colorData = skinData.colors[i];
+                skin.colors.Add(colorData.name, new Color(colorData.r, colorData.g, colorData.b, colorData.a));
+            }
+
+            for (int i = 0; i < skinData.definitions.Length; i++)
+            {
+                SkinData.DefinitionData definitionData = skinData.definitions[i];
+                skin.AddDefinition(definitionData.name, definitionData.skin);
+            }
+
+            return skin;
+        }
+
+        private List<string> RecursiveSkinSearch(string path)
+        {
+            string[] files = Directory.GetFiles(path);
+            string[] folders = Directory.GetDirectories(path);
+            List<string> skins = new List<string>();
+            for (int i = 0; i < files.Length; i++)
+            {
+                if (files[i].ToLower().EndsWith(EXTENSION))
+                {
+                    skins.Add(files[i]);
+                }
+            }
+            for (int i = 0; i < folders.Length; i++)
+            {
+                skins.AddRange(RecursiveSkinSearch(folders[i]));
+            }
+
+            return skins;
+        }
+    }
+}