Configurable plans, taken from Foo's

core/src/mindustry/ui/fragments/PlanConfigFragment.java

@@ -0,0 +1,83 @@
+package mindustry.ui.fragments;
+
+import arc.*;
+import arc.math.*;
+import arc.math.geom.*;
+import arc.scene.*;
+import arc.scene.actions.*;
+import arc.scene.ui.layout.*;
+import arc.struct.*;
+import arc.util.*;
+import mindustry.ctype.*;
+import mindustry.entities.units.*;
+import mindustry.game.*;
+import mindustry.world.*;
+import mindustry.world.blocks.*;
+
+import static mindustry.Vars.*;
+
+/**
+ * Displays the configuration UI for build plans before they have been placed.
+ * Shamelessly stolen from Foo's Client.
+ */
+public class PlanConfigFragment{
+    Table table = new Table();
+    BuildPlan selected;
+
+    public void build(Group parent){
+        table.visible = false;
+        parent.addChild(table);
+
+        Events.on(EventType.ResetEvent.class, e -> forceHide());
+    }
+
+    public void showConfig(BuildPlan plan){
+        if(this.selected == plan || plan.block == null){
+            hide();
+            return;
+        }
+        Block block = plan.block;
+        if(!block.configurable) return;
+        selected = plan;
+        table.clear();
+
+        var options = new Seq<UnlockableContent>();
+        block.getPlanConfigs(options);
+
+        if(options.isEmpty()) return;
+
+        ItemSelection.buildTable(
+        table, options,
+        () -> selected != null ? (selected.config instanceof UnlockableContent c ? c : null) : null,
+        content -> {
+            selected.config = content;
+            hide();
+        },
+        block.selectionRows, block.selectionColumns
+        );
+        table.pack();
+        table.setTransform(true);
+        table.visible = true;
+        table.actions(Actions.scaleTo(0f, 1f), Actions.visible(true),
+        Actions.scaleTo(1f, 1f, 0.07f, Interp.pow3Out));
+        table.update(() -> {
+            table.setOrigin(Align.center);
+            if(plan.isDone() || !(control.input.selectPlans.contains(plan) || player.unit().plans.contains(plan))){
+                this.hide();
+                return;
+            }
+            Vec2 pos = Core.input.mouseScreen(plan.drawx(), plan.drawy() - block.size * tilesize / 2.0F - 1);
+            table.setPosition(pos.x, pos.y, Align.top);
+        });
+    }
+
+    public void forceHide(){
+        table.visible = false;
+        selected = null;
+    }
+
+    public void hide(){
+        selected = null;
+        table.actions(Actions.scaleTo(0f, 1f, 0.06f, Interp.pow3Out), Actions.visible(false));
+    }
+}