Allow specifying multiple names for a DataTextureAtlas region

CHANGELOG.md

@@ -80,6 +80,7 @@ Improvements
 - Allow enumerating all region names of a DataTextureAtlas
 - Cache RuntimeTexturePacker texture data while packing to improve performance
 - Greatly improved RuntimeTexturePacker performance
+- Allow specifying multiple names for a DataTextureAtlas region
 
 Fixes
 - Fixed SoundEffectReader incorrectly claiming it could read ogg and mp3 files

FNA

@@ -1 +1 @@
-Subproject commit 62cbf1c3180c31de0265b267a7ed080efd20150c
+Subproject commit 700a6f096ad359cc12634eeb5608ee9c8d29798c

MLEM.Data/DataTextureAtlas.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
@@ -5,7 +6,6 @@ using System.Text.RegularExpressions;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Content;
 using Microsoft.Xna.Framework.Graphics;
-using MLEM.Extensions;
 using MLEM.Textures;
 
 namespace MLEM.Data {
@@ -84,9 +84,8 @@ namespace MLEM.Data {
             }
             var atlas = new DataTextureAtlas(texture);
 
-            // parse each texture region: "<name> loc <u> <v> <w> <h> [piv <px> <py>] [off <ox> <oy>]"
+            // parse each texture region: "<names> loc <u> <v> <w> <h> [piv <px> <py>] [off <ox> <oy>]"
             foreach (Match match in Regex.Matches(text, @"(.+)\W+loc\W+([0-9]+)\W+([0-9]+)\W+([0-9]+)\W+([0-9]+)\W*(?:piv\W+([0-9.]+)\W+([0-9.]+))?\W*(?:off\W+([0-9.]+)\W+([0-9.]+))?")) {
-                var name = match.Groups[1].Value.Trim();
                 // offset
                 var off = !match.Groups[8].Success ? Vector2.Zero : new Vector2(
                     float.Parse(match.Groups[8].Value, CultureInfo.InvariantCulture),
@@ -103,11 +102,16 @@ namespace MLEM.Data {
                     float.Parse(match.Groups[6].Value, CultureInfo.InvariantCulture) - (pivotRelative ? 0 : loc.X),
                     float.Parse(match.Groups[7].Value, CultureInfo.InvariantCulture) - (pivotRelative ? 0 : loc.Y));
 
-                var region = new TextureRegion(texture, loc) {
-                    PivotPixels = piv,
-                    Name = name
-                };
-                atlas.regions.Add(name, region);
+                foreach (var name in Regex.Split(match.Groups[1].Value, @"\W")) {
+                    var trimmed = name.Trim();
+                    if (trimmed.Length <= 0)
+                        continue;
+                    var region = new TextureRegion(texture, loc) {
+                        PivotPixels = piv,
+                        Name = trimmed
+                    };
+                    atlas.regions.Add(trimmed, region);
+                }
             }
 
             return atlas;

Sandbox/Content/Textures/Furniture.atlas

@@ -13,6 +13,6 @@ LongTableUp
 loc 0 32 64 48
 piv 16 48
 
-LongTableRight
+LongTableRight LongTableDown LongTableLeft
 loc 64 32 64 48
-piv 112 48
+piv 112 48

Sandbox/GameImpl.cs

@@ -169,11 +169,8 @@ namespace Sandbox {
             var region2 = new TextureRegion(round);
 
             var atlas = this.Content.LoadTextureAtlas("Textures/Furniture");
-            foreach (var r in atlas.Regions) {
+            foreach (var r in atlas.Regions)
                 Console.WriteLine(r.Name + ": " + r.U + " " + r.V + " " + r.Width + " " + r.Height + " " + r.PivotPixels);
-                foreach (var key in r.GetDataKeys())
-                    Console.WriteLine(key + " " + r.GetData<Vector2>(key));
-            }
 
             this.OnDraw += (g, time) => {
                 this.SpriteBatch.Begin(samplerState: SamplerState.PointClamp);

Tests/Content/Texture.atlas

@@ -13,7 +13,7 @@ LongTableUp
 loc 0 32 64 48
 piv 16 48
 
-LongTableRight
+LongTableRight LongTableDown LongTableLeft
 loc 32 30 64 48
 piv 80 46
-off 32 2
+off 32 2

Tests/DataTextureAtlasTests.cs

@@ -13,7 +13,7 @@ namespace Tests {
             using var game = TestGame.Create();
             using var texture = new Texture2D(game.GraphicsDevice, 1, 1);
             var atlas = DataTextureAtlas.LoadAtlasData(new TextureRegion(texture), game.RawContent, "Texture.atlas");
-            Assert.AreEqual(atlas.Regions.Count(), 5);
+            Assert.AreEqual(atlas.Regions.Count(), 7);
 
             // no added offset
             var table = atlas["LongTableUp"];
@@ -21,7 +21,7 @@ namespace Tests {
             Assert.AreEqual(table.PivotPixels, new Vector2(16, 48 - 32));
 
             // added offset
-            var table2 = atlas["LongTableRight"];
+            var table2 = atlas["LongTableLeft"];
             Assert.AreEqual(table2.Area, new Rectangle(64, 32, 64, 48));
             Assert.AreEqual(table2.PivotPixels, new Vector2(112 - 64, 48 - 32));
         }