Support of mods with textures in different resolution (HD or low-res) (#7602)

* HDustry - scl() & private map

Co-Authored-By: citrusMarmelade <20476281+citrusMarmelade@users.noreply.github.com>

* MEEP stop doing stuff when i work

<3 <3

* Replaced Draw.scl

Co-authored-by: citrusMarmelade <20476281+citrusMarmelade@users.noreply.github.com>
Co-authored-by: Anuken <arnukren@gmail.com>

core/src/mindustry/mod/Mods.java

@@ -40,6 +40,7 @@ public class Mods implements Loadable{
     private ObjectSet<String> specialFolders = ObjectSet.with("bundles", "sprites", "sprites-override");
 
     private int totalSprites;
+    private static ObjectFloatMap<String> textureResize = new ObjectFloatMap<>();
     private MultiPacker packer;
     private ModClassLoader mainLoader = new ModClassLoader(getClass().getClassLoader());
 
@@ -181,6 +182,7 @@ public class Mods implements Loadable{
 
     private void packSprites(Seq<Fi> sprites, LoadedMod mod, boolean prefix, Seq<Future<Runnable>> tasks){
         boolean bleed = Core.settings.getBool("linear", true) && !mod.meta.pregenerated;
+        float textureScale = mod.meta.texturescale;
 
         for(Fi file : sprites){
             String name = file.nameWithoutExtension();
@@ -209,7 +211,11 @@ public class Mods implements Loadable{
                     }
                     //this returns a *runnable* which actually packs the resulting pixmap; this has to be done synchronously outside the method
                     return () -> {
-                        packer.add(getPage(file), (prefix ? mod.name + "-" : "") + name, new PixmapRegion(pix));
+                        String fullName = (prefix ? mod.name + "-" : "") + name;
+                        packer.add(getPage(file), fullName, new PixmapRegion(pix));
+                        if(textureScale != 1.0f){
+                            textureResize.put(fullName, textureScale);
+                        }
                         pix.dispose();
                     };
                 }catch(Exception e){
@@ -344,13 +350,17 @@ public class Mods implements Loadable{
             }
             Log.debug("Time to generate icons: @", Time.elapsed());
 
-            packer.printStats();
-
             //dispose old atlas data
             Core.atlas = packer.flush(filter, new TextureAtlas());
 
+            Time.mark();
+            textureResize.each(e -> { Core.atlas.find(e.key).scale = e.value; });
+            Log.debug("Time to rescale textures: @", Time.elapsed());
+
             Core.atlas.setErrorRegion("error");
             Log.debug("Total pages: @", Core.atlas.getTextures().size);
+
+            packer.printStats();
         }
 
         packer.dispose();
@@ -1141,6 +1151,8 @@ public class Mods implements Loadable{
         public boolean java;
         /** If true, -outline regions for units are kept when packing. Only use if you know exactly what you are doing. */
         public boolean keepOutlines;
+        /** To rescale textures with a different size. Represents the size in pixels of the sprite of a 1x1 block. */
+        public float texturescale = 1.0f;
         /** If true, bleeding is skipped and no content icons are generated. */
         public boolean pregenerated;
 
@@ -1176,6 +1188,7 @@ public class Mods implements Loadable{
                     ", minGameVersion='" + minGameVersion + '\'' +
                     ", hidden=" + hidden +
                     ", repo=" + repo +
+                    ", texturescale=" + texturescale +
                     '}';
         }
     }