From 52fa550ced8ef39955752a43e5d442b1e83e3274 Mon Sep 17 00:00:00 2001
From: Zer01HD <yunyangdeng@gmail.com>
Date: Tue, 4 Dec 2018 15:46:44 -0600
Subject: [PATCH] added draw and texture obtaining functions to atlas and
 regions.

---
 Recrowned-Athenaeum/DataTypes/NinePatch.cs    |  5 +++
 Recrowned-Athenaeum/DataTypes/TextureAtlas.cs | 45 ++++++++++++++++---
 .../DataTypes/TextureAtlasRegion.cs           | 42 ++++++++++++++---
 3 files changed, 82 insertions(+), 10 deletions(-)

diff --git a/Recrowned-Athenaeum/DataTypes/NinePatch.cs b/Recrowned-Athenaeum/DataTypes/NinePatch.cs
index 6331aee..0373113 100644
--- a/Recrowned-Athenaeum/DataTypes/NinePatch.cs
+++ b/Recrowned-Athenaeum/DataTypes/NinePatch.cs
@@ -5,13 +5,18 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Xml.Serialization;
 
 namespace RecrownedAthenaeum.DataTypes
 {
     public class NinePatch
     {
+        [XmlIgnore]
         public Color color;
+
+        [XmlIgnore]
         readonly Texture2D texture;
+
         readonly int a, b, c, d;
 
         /// <summary>
diff --git a/Recrowned-Athenaeum/DataTypes/TextureAtlas.cs b/Recrowned-Athenaeum/DataTypes/TextureAtlas.cs
index 367337d..4ad5501 100644
--- a/Recrowned-Athenaeum/DataTypes/TextureAtlas.cs
+++ b/Recrowned-Athenaeum/DataTypes/TextureAtlas.cs
@@ -1,22 +1,57 @@
-using Recrowned_Athenaeum.DataTypes;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using Recrowned_Athenaeum.DataTypes;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using System.Threading.Tasks;23
+using System.Threading.Tasks;
+using System.Xml.Serialization;
 
 namespace RecrownedAthenaeum.DataTypes
 {
     public class TextureAtlas
     {
+        string assetName;
         private TextureAtlasRegion[] textureRegions;
 
-        public TextureAtlas(TextureAtlasRegion[] textureRegions)
+        [XmlIgnore]
+        private Texture2D texture;
+        [XmlIgnore]
+        private Dictionary<string, TextureAtlasRegion> dictionaryOfRegions = new Dictionary<string, TextureAtlasRegion>();
+
+        /// <summary>
+        /// Should be called after serialization to prepare the data.
+        /// More specifically, loads the texture map, as well as load the regions into a dictionary.
+        /// <param name="texture">the texture for the atlas.</param>
+        /// </summary>
+        public void Initialize(Texture2D texture)
         {
-            this.textureRegions = textureRegions;
+            SetTextureRegions(texture, textureRegions);
+        }
+
+        public void SetTextureRegions(Texture2D texture, TextureAtlasRegion[] regions)
+        {
+            this.texture = texture;
+            Array.Sort(regions);
+            this.textureRegions = regions;
+            dictionaryOfRegions.Clear();
+            foreach (TextureAtlasRegion region in textureRegions)
+            {
+                dictionaryOfRegions.Add(region.name, region);
+            }
+
+        }
+
+        public void Draw(SpriteBatch batch, Rectangle destinationRectangle, string textureRegionName)
+        {
+            dictionaryOfRegions[textureRegionName].Draw(batch, destinationRectangle, );
         }
 
 
-
+        public Texture2D TextureOfRegion(string name, GraphicsDevice graphicsDevice)
+        {
+            return dictionaryOfRegions[name].AsTexture2D(graphicsDevice, texture);
+        }
     }
 }
diff --git a/Recrowned-Athenaeum/DataTypes/TextureAtlasRegion.cs b/Recrowned-Athenaeum/DataTypes/TextureAtlasRegion.cs
index 521c5b1..1e6e9fe 100644
--- a/Recrowned-Athenaeum/DataTypes/TextureAtlasRegion.cs
+++ b/Recrowned-Athenaeum/DataTypes/TextureAtlasRegion.cs
@@ -1,19 +1,51 @@
 using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using RecrownedAthenaeum.DataTypes;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Xml.Serialization;
 
 namespace Recrowned_Athenaeum.DataTypes
 {
-    public struct TextureAtlasRegion
+    public struct TextureAtlasRegion : IComparable<TextureAtlasRegion>, IDisposable
     {
-        string name;
-        Rectangle bounds;
+        public string name;
+        Rectangle sourceRectangle;
         Vector2 origin;
-        bool ninePatch;
-        int a, b, c, d;
+        Color color;
+        float rotation;
+        NinePatch ninepatch;
+        [XmlIgnore]
+        Texture2D regionTexture;
 
+        public void Draw(SpriteBatch batch, Rectangle destination, Texture2D regionOfTexture)
+        {
+            batch.Draw(regionOfTexture, destination, sourceRectangle, color);
+        }
+
+        public Texture2D AsTexture2D(GraphicsDevice graphicsDevice, Texture2D textureAtlas)
+        {
+            if (regionTexture == null)
+            {
+                Color[] data = new Color[sourceRectangle.Width * sourceRectangle.Height];
+                regionTexture = new Texture2D(graphicsDevice, sourceRectangle.Width, sourceRectangle.Height);
+                textureAtlas.GetData(0, sourceRectangle, data, 0, sourceRectangle.Width * sourceRectangle.Height);
+                regionTexture.SetData(data);
+            }
+            return regionTexture;
+        }
+
+        public int CompareTo(TextureAtlasRegion other)
+        {
+            return name.CompareTo(other);
+        }
+
+        public void Dispose()
+        {
+            regionTexture?.Dispose();
+        }
     }
 }