diff --git a/src/java/schema/Main.java b/src/java/schema/Main.java
index 3644885..dd735ab 100644
--- a/src/java/schema/Main.java
+++ b/src/java/schema/Main.java
@@ -5,6 +5,7 @@
 import arc.util.*;
 import mindustry.mod.*;
 import schema.input.*;
+import schema.tools.*;
 import schema.ui.*;
 import schema.ui.dialogs.*;
 import schema.ui.fragments.*;
@@ -17,6 +18,9 @@ public class Main extends Mod {
 
     // region components
 
+    /** Combines the vanilla and schema overlay. */
+    public static Overlay overlay;
+
     /** Advanced input system lying in the foundation of the mod. */
     public static InputSystem insys;
 
@@ -67,6 +71,7 @@ public void init() {
         ui.minimapfrag=mapfrag.getAgent();
         ui.loadfrag = loadfrag.getAgent();
 
+        Reflect.set(renderer, "overlays", overlay.getAgent());
         // TODO override inventory too
         Reflect.set(mindustry.input.InputHandler.class, control.input, "config", config.getAgent());
 
@@ -83,6 +88,7 @@ public void init() {
         } catch (Throwable e) { err(e); }
 
         log("=> [green]Unhooking events...");
+        clear(mindustry.graphics.OverlayRenderer.class);
         clear(mindustry.input.InputHandler.class);
         clear(mindustry.ui.fragments.PlacementFragment.class);
     }
@@ -92,6 +98,8 @@ public void load() {
         // these styles are used for building dialogs and fragments and thus are loaded here
         Style.load();
 
+        overlay = new Overlay();
+
         insys = mobile ? null : new DesktopInput();
 
         keybind = new KeybindDialog();
diff --git a/src/java/schema/input/DesktopInput.java b/src/java/schema/input/DesktopInput.java
index 73d6006..17f1d15 100644
--- a/src/java/schema/input/DesktopInput.java
+++ b/src/java/schema/input/DesktopInput.java
@@ -277,10 +277,10 @@ protected void updateState() {
     }
 
     @Override
-    protected void drawPlans() {}
+    public void drawPlans() {}
 
     @Override
-    protected void drawOverlay() {
+    public void drawOverlay() {
         if (commandMode) drawCommand();
         if (controlMode) drawControl();
         else controlFade = 0f;
diff --git a/src/java/schema/input/InputSystem.java b/src/java/schema/input/InputSystem.java
index 4585beb..7465d76 100644
--- a/src/java/schema/input/InputSystem.java
+++ b/src/java/schema/input/InputSystem.java
@@ -14,6 +14,7 @@
 import mindustry.gen.*;
 import mindustry.graphics.*;
 import mindustry.input.*;
+import mindustry.world.*;
 import mindustry.world.blocks.*;
 
 import static arc.Core.*;
@@ -39,6 +40,9 @@ public abstract class InputSystem {
     /** Alpha value of the control mode overlay. */
     protected float controlFade;
 
+    /** Selected block, the one in your hand. I dunno how else to explain. */
+    public Block block;
+
     // region general
 
     /** Updates the main logic of the input system. */
@@ -48,10 +52,10 @@ public abstract class InputSystem {
     protected abstract void updateState();
 
     /** Draws the building plans of the player and its teammates. */
-    protected abstract void drawPlans();
+    public abstract void drawPlans();
 
     /** Draws the remaining elements of the interface. */
-    protected abstract void drawOverlay();
+    public abstract void drawOverlay();
 
     // endregion
     // region draw
@@ -226,15 +230,6 @@ public void remove() {}
         @Override
         public void updateState() { insys.updateState(); }
 
-        @Override
-        public void drawBottom() { insys.drawPlans(); }
-
-        @Override
-        public void drawTop() { insys.drawOverlay(); }
-
-        @Override
-        public void panCamera(Vec2 pos) { insys.setCam(pos); }
-
         @Override
         public boolean isPlacing() { return false; }
 
diff --git a/src/java/schema/tools/Overlay.java b/src/java/schema/tools/Overlay.java
new file mode 100644
index 0000000..756b283
--- /dev/null
+++ b/src/java/schema/tools/Overlay.java
@@ -0,0 +1,65 @@
+package schema.tools;
+
+import arc.graphics.*;
+import arc.graphics.g2d.*;
+import arc.math.*;
+import mindustry.graphics.*;
+
+import static arc.Core.*;
+import static mindustry.Vars.*;
+import static schema.Main.*;
+
+/** Component that renders overlay elements: command and control mode, blocks configuration, objectives and so on. */
+public class Overlay {
+
+    /** Distance from which spawners are visible. */
+    public static final float spawnerMargin = 16f * tilesize;
+
+    /** Draws the elements of both vanilla and schema overlay */
+    public void draw() {
+        state.rules.objectives.eachRunning(o -> {
+            for (var marker : o.markers) marker.draw();
+        });
+
+        if (config.shown()) config.selected().drawConfigure();
+        insys.drawOverlay();
+
+        if (state.hasSpawns()) {
+            Lines.stroke(2f);
+            Draw.color(Color.gray, Color.lightGray, Mathf.absin(4f, 1f));
+
+            spawner.getSpawns().each(s -> s.within(player, state.rules.dropZoneRadius + spawnerMargin), s -> {
+
+                Draw.alpha(1f - (player.dst(s) - state.rules.dropZoneRadius) / spawnerMargin);
+                Lines.dashCircle(s.worldx(), s.worldy(), state.rules.dropZoneRadius);
+            });
+        }
+
+        if (insys.block == null && !scene.hasMouse()) {
+            var build = insys.selectedBuilding();
+            if (build != null && build.team == player.team()) {
+
+                build.drawSelect();
+
+                if (build.block.drawDisabled && !build.enabled) build.drawDisabled();
+            }
+        }
+    }
+
+    // region agent
+
+    /** Returns the agent of this component. */
+    public Agent getAgent() { return new Agent(); }
+
+    /** Agent that redirects method calls from the original component to the new one. */
+    public class Agent extends OverlayRenderer {
+
+        @Override
+        public void drawBottom() { insys.drawPlans(); }
+
+        @Override
+        public void drawTop() { draw(); }
+    }
+
+    // endregion
+}