it is done

core/src/mindustry/ui/dialogs/AboutDialog.java

@@ -0,0 +1,118 @@
+package mindustry.ui.dialogs;
+
+import arc.*;
+import arc.struct.*;
+import arc.graphics.*;
+import arc.scene.ui.*;
+import arc.scene.ui.layout.*;
+import arc.util.*;
+import mindustry.game.EventType.*;
+import mindustry.gen.*;
+import mindustry.graphics.*;
+import mindustry.ui.*;
+import mindustry.ui.Links.*;
+
+import static mindustry.Vars.*;
+
+public class AboutDialog extends FloatingDialog{
+    private Array<String> contributors = new Array<>();
+    private static ObjectSet<String> bannedItems = ObjectSet.with("google-play", "itch.io", "dev-builds", "f-droid");
+
+    public AboutDialog(){
+        super("$about.button");
+
+        shown(() -> {
+            contributors = Array.with(Core.files.internal("contributors").readString("UTF-8").split("\n"));
+            Core.app.post(this::setup);
+        });
+
+        shown(this::setup);
+        onResize(this::setup);
+    }
+
+    void setup(){
+        cont.clear();
+        buttons.clear();
+
+        float h = Core.graphics.isPortrait() ? 90f : 80f;
+        float w = Core.graphics.isPortrait() ? 330f : 600f;
+
+        Table in = new Table();
+        ScrollPane pane = new ScrollPane(in);
+
+        for(LinkEntry link : Links.getLinks()){
+            if((ios || OS.isMac || steam) && bannedItems.contains(link.name)){
+                continue;
+            }
+
+            Table table = new Table(Tex.underline);
+            table.margin(0);
+            table.table(img -> {
+                img.addImage().height(h - 5).width(40f).color(link.color);
+                img.row();
+                img.addImage().height(5).width(40f).color(link.color.cpy().mul(0.8f, 0.8f, 0.8f, 1f));
+            }).expandY();
+
+            table.table(i -> {
+                i.background(Tex.buttonEdge3);
+                i.addImage(Core.atlas.drawable("icon-" + link.name));
+            }).size(h - 5, h);
+
+            table.table(inset -> {
+                inset.add("[accent]" + link.title).growX().left();
+                inset.row();
+                inset.labelWrap(link.description).width(w - 100f).color(Color.lightGray).growX();
+            }).padLeft(8);
+
+            table.addImageButton(Icon.link, () -> {
+                if(link.name.equals("wiki")) Events.fire(Trigger.openWiki);
+
+                if(!Core.net.openURI(link.link)){
+                    ui.showErrorMessage("$linkfail");
+                    Core.app.setClipboardText(link.link);
+                }
+            }).size(h - 5, h);
+
+            in.add(table).size(w, h).padTop(5).row();
+        }
+
+        shown(() -> Time.run(1f, () -> Core.scene.setScrollFocus(pane)));
+
+        cont.add(pane).growX();
+
+        addCloseButton();
+
+        buttons.addButton("$credits", this::showCredits).size(200f, 64f);
+
+        if(Core.graphics.isPortrait()){
+            for(Cell<?> cell : buttons.getCells()){
+                cell.width(140f);
+            }
+        }
+
+    }
+
+    public void showCredits(){
+        FloatingDialog dialog = new FloatingDialog("$credits");
+        dialog.addCloseButton();
+        dialog.cont.add("$credits.text");
+        dialog.cont.row();
+        if(!contributors.isEmpty()){
+            dialog.cont.addImage().color(Pal.accent).fillX().height(3f).pad(3f);
+            dialog.cont.row();
+            dialog.cont.add("$contributors");
+            dialog.cont.row();
+            dialog.cont.pane(new Table(){{
+                int i = 0;
+                left();
+                for(String c : contributors){
+                    add("[lightgray]" + c).left().pad(3).padLeft(6).padRight(6);
+                    if(++i % 3 == 0){
+                        row();
+                    }
+                }
+            }});
+        }
+        dialog.show();
+    }
+}