Misc preparations for unified packing

core/src/mindustry/graphics/MultiPacker.java

@@ -66,7 +66,7 @@ public class MultiPacker implements Disposable{
     }
 
     public void add(PageType type, String name, PixmapRegion region){
-        packers[type.ordinal()].pack(name, region);
+        add(type, name, region, null, null);
     }
 
     public void add(PageType type, String name, PixmapRegion region, int[] splits, int[] pads){
@@ -74,7 +74,7 @@ public class MultiPacker implements Disposable{
     }
 
     public void add(PageType type, String name, Pixmap pix){
-        packers[type.ordinal()].pack(name, pix);
+        add(type, name, new PixmapRegion(pix));
     }
 
     public TextureAtlas flush(TextureFilter filter, TextureAtlas atlas){
@@ -95,13 +95,13 @@ public class MultiPacker implements Disposable{
     //main page (sprites.png) - all sprites for units, weapons, placeable blocks, effects, bullets, etc
     //environment page (sprites2.png) - all sprites for things in the environmental cache layer
     //editor page (sprites3.png) - all sprites needed for rendering in the editor, including block icons and a few minor sprites
-    //zone page (sprites4.png) - zone preview
     //rubble page - scorch textures for unit deaths & wrecks
     //ui page (sprites5.png) - content icons, white icons, fonts and UI elements
     public enum PageType{
         //main page can be massive, but 8192 throws GL_OUT_OF_MEMORY on some GPUs and I can't deal with it yet.
         main(4096),
 
+        //TODO stuff like this throws OOM on some devices
         environment(4096, 2048),
         editor(4096, 2048),
         rubble(4096, 2048),