diff --git a/src/gui/java/speiger/src/coreengine/ui/gui/component/base/IComponentScreen.java b/src/gui/java/speiger/src/coreengine/ui/gui/component/base/IComponentScreen.java
index f1c12ef..96be004 100644
--- a/src/gui/java/speiger/src/coreengine/ui/gui/component/base/IComponentScreen.java
+++ b/src/gui/java/speiger/src/coreengine/ui/gui/component/base/IComponentScreen.java
@@ -4,12 +4,15 @@ import speiger.src.coreengine.ui.gui.layout.box.IGuiBox;
 import speiger.src.coreengine.ui.gui.layout.constraint.ConstraintContainer;
 
 public interface IComponentScreen {
-	public IGuiBox getBox();
-	public long clock();
+	IGuiBox getBox();
+	long clock();
 	
-	public void pushLayer();
-	public void popLayer();
-	public GuiComponent addComponent(GuiComponent component, ConstraintContainer constraints);
-	public boolean hasComponent(GuiComponent component);
-	public boolean removeComponent(GuiComponent component);
+	void pushLayer();
+	void popLayer();
+	
+	GuiComponent addComponent(GuiComponent component, ConstraintContainer constraints);
+	boolean hasComponent(GuiComponent component);
+	boolean isAtTop(GuiComponent component);
+	boolean moveToTop(GuiComponent component);
+	boolean removeComponent(GuiComponent component);
 }
diff --git a/src/gui/java/speiger/src/coreengine/ui/gui/component/impl/TestComponent.java b/src/gui/java/speiger/src/coreengine/ui/gui/component/impl/TestComponent.java
new file mode 100644
index 0000000..4aabcaa
--- /dev/null
+++ b/src/gui/java/speiger/src/coreengine/ui/gui/component/impl/TestComponent.java
@@ -0,0 +1,21 @@
+package speiger.src.coreengine.ui.gui.component.impl;
+
+import speiger.src.coreengine.ui.gui.component.base.GuiComponent;
+import speiger.src.coreengine.ui.gui.renderer.IUIRenderer;
+
+public class TestComponent extends GuiComponent {
+	
+	public TestComponent(float x, float y, float width, float height) {
+		super(x, y, width, height);
+	}
+
+	@Override
+	public void init() {
+	}
+	
+	
+	@Override
+	protected void renderComponent(IUIRenderer renderer, int mouseX, int mouseY, float partialTicks) {
+		renderer.drawRect(getBox(), 0xFF00FFFF);
+	}
+}
diff --git a/src/gui/java/speiger/src/coreengine/ui/gui/renderer/UIRenderer.java b/src/gui/java/speiger/src/coreengine/ui/gui/renderer/UIRenderer.java
index 5734f7d..9a0cfa8 100644
--- a/src/gui/java/speiger/src/coreengine/ui/gui/renderer/UIRenderer.java
+++ b/src/gui/java/speiger/src/coreengine/ui/gui/renderer/UIRenderer.java
@@ -59,12 +59,12 @@ public class UIRenderer implements IUIRenderer {
 		for(int i = 0,m=draws.size();i<m;i++) {
 			UIDraw draw = draws.get(i);
 			BufferResult result = draw.result();
+			buffer.pipeline(draw.pipeline());
 			if(draw.drawer != null) {
 				draw.drawer.setupExtra(buffer);
 				buffer.mesh(mesh);
 			}
 			if(draw.texture() != null) buffer.texture(0, draw.texture());
-			buffer.pipeline(draw.pipeline());
 			boolean pop = false;
 			Vec4i scissors = draw.scissors();
 			if(scissors != Vec4i.MINUS_ONE) {
diff --git a/src/gui/java/speiger/src/coreengine/ui/gui/screen/GuiContainer.java b/src/gui/java/speiger/src/coreengine/ui/gui/screen/GuiContainer.java
new file mode 100644
index 0000000..8db8b9d
--- /dev/null
+++ b/src/gui/java/speiger/src/coreengine/ui/gui/screen/GuiContainer.java
@@ -0,0 +1,225 @@
+package speiger.src.coreengine.ui.gui.screen;
+
+import java.util.Iterator;
+import java.util.List;
+
+import speiger.src.collections.ints.sets.IntOpenHashSet;
+import speiger.src.collections.ints.sets.IntSet;
+import speiger.src.collections.objects.lists.ObjectArrayList;
+import speiger.src.collections.objects.maps.abstracts.AbstractObject2BooleanMap.BasicEntry;
+import speiger.src.collections.objects.maps.interfaces.Object2BooleanMap;
+import speiger.src.collections.objects.maps.interfaces.Object2BooleanMap.Entry;
+import speiger.src.collections.utils.Stack;
+import speiger.src.coreengine.platform.input.window.Window;
+import speiger.src.coreengine.ui.gui.component.base.GuiComponent;
+import speiger.src.coreengine.ui.gui.component.base.IComponentScreen;
+import speiger.src.coreengine.ui.gui.interaction.IInteractable;
+import speiger.src.coreengine.ui.gui.interaction.IInteractableContainer;
+import speiger.src.coreengine.ui.gui.layout.box.IGuiBox;
+import speiger.src.coreengine.ui.gui.layout.constraint.ConstraintContainer;
+import speiger.src.coreengine.ui.gui.renderer.IUIRenderer;
+
+
+public class GuiContainer implements IComponentScreen, IInteractableContainer {
+	LayeredContainer container = new LayeredContainer();
+	IntSet activeButtons = new IntOpenHashSet();
+	IInteractable focused;
+	IGuiBox box = IGuiBox.of(0F, 0F, 0F, 0F);
+	long tick;
+	
+	public void setScreen(Window window) {
+		box = IGuiBox.of(0, 0, window.width(), window.height());
+		init();
+	}
+	
+	public void init() {
+		
+	}
+	
+	@Override
+	public IGuiBox getBox() { return box; }
+	@Override
+	public long clock() { return tick; }
+	@Override
+	public boolean isFocused() { return focused != null; }
+	@Override
+	public void setFocused(boolean value) { if(!value) setFocusedChild(null); }
+	@Override
+	public List<? extends IInteractable> getChildren() { return container.interactables(); }
+	@Override
+	public void setFocusedChild(IInteractable child) {
+		if(focused != null) focused.setFocused(false);
+		this.focused = child;
+		if(focused != null) focused.setFocused(true);
+	}
+	@Override
+	public IInteractable getFocusedChild() { return focused; }
+	@Override
+	public IntSet getActiveButtons() { return activeButtons; }
+	@Override
+	public void pushLayer() { container.pushLayer(); }
+	@Override
+	public void popLayer() { container.popLayer(); }
+	@Override
+	public GuiComponent addComponent(GuiComponent component, ConstraintContainer constraints) {
+		if(component.screen() != null) throw new IllegalArgumentException("A Child can not have multiple Screens");
+		container.add(component);
+		component.withConstraints(constraints);
+		component.setScreen(this);
+		component.init();
+		component.onChanged(true);
+		return component;
+	}
+	
+	@Override
+	public boolean hasComponent(GuiComponent component) {
+		return component.screen() == this && container.contains(component);
+	}
+	
+	@Override
+	public boolean isAtTop(GuiComponent component) {
+		return component.screen() == this && container.children().contains(component);
+	}
+	
+	@Override
+	public boolean moveToTop(GuiComponent component) {
+		return component.screen() == this && container.moveToTop(component);
+	}
+	
+	@Override
+	public boolean removeComponent(GuiComponent component) {
+		if(component.screen() == this && container.remove(component)) {
+			component.close();
+			component.setScreen(null);
+			return true;
+		}
+		return false;
+	}
+	
+	public void render(IUIRenderer renderer, int mouseX, int mouseY, float partialTicks) {
+		for(Object2BooleanMap.Entry<GuiComponent> entry : container) {
+			boolean keepMouse = entry.getBooleanValue();
+			GuiComponent.renderComponent(entry.getKey(), renderer, keepMouse ? mouseX : -1, keepMouse ? mouseY : -1, partialTicks);
+		}
+	}
+	
+	public void tick() {
+		tick++;
+		for(Object2BooleanMap.Entry<GuiComponent> entry : container) {
+			GuiComponent.tickComponent(entry.getKey());
+		}
+	}
+	
+	public static class LayeredContainer implements Iterable<Object2BooleanMap.Entry<GuiComponent>> {
+		Stack<Layer> layers = new ObjectArrayList<>();
+		
+		public LayeredContainer() { pushLayer(); }
+		
+		public void pushLayer() {
+			layers.push(new Layer());
+		}
+		
+		public void popLayer() {
+			if(layers.size() == 1) return;
+			layers.pop();
+		}
+		
+		public void add(GuiComponent component) {
+			layers.top().add(component);
+		}
+		
+		public boolean moveToTop(GuiComponent component) {
+			if(layers.top().contains(component)) return true;
+			for(int i = 1,m=layers.size();i<m;i++) {
+				Layer layer = layers.peek(i);
+				if(layer.remove(component)) {
+					layers.top().add(component);
+					return true;
+				}
+			}
+			return false;
+		}
+		
+		public boolean contains(GuiComponent component) {
+			for(int i = 0,m=layers.size();i<m;i++) {
+				if(layers.peek(i).contains(component)) return true;
+			}
+			return false;
+		}
+		
+		public boolean remove(GuiComponent component) {
+			for(int i = 0,m=layers.size();i<m;i++) {
+				if(layers.peek(i).remove(component)) {
+					clearEmptyLayers();
+					return true;
+				}
+			}
+			return false;
+		}
+		
+		public void clearEmptyLayers() {
+			while(layers.top().isEmpty() && layers.size() > 0) {
+				popLayer();
+			}
+		}
+		
+		@Override
+		public Iterator<Object2BooleanMap.Entry<GuiComponent>> iterator() {
+			return new Iterator<>() {
+				BasicEntry<GuiComponent> entry = new BasicEntry<>(); 
+				int myLayer = layers.size()-1;
+				Iterator<GuiComponent> childIterator = layers.peek(myLayer).components.iterator();
+				
+				@Override
+				public boolean hasNext() {
+					return childIterator.hasNext();
+				}
+				
+				@Override
+				public Entry<GuiComponent> next() {
+					if(!hasNext()) throw new IllegalStateException("Out of Elements to poll");
+					entry.set(childIterator.next(), myLayer == 0);
+					if(!childIterator.hasNext() && myLayer > 0) {
+						childIterator = layers.peek(--myLayer).components.iterator();
+					}
+					return entry;
+				}
+				
+			};
+		}
+		
+		public List<GuiComponent> children() {
+			return layers.top().components;
+		}
+		
+		public List<IInteractable> interactables() {
+			return layers.top().interactables;
+		}
+	}
+	
+	private static class Layer {
+		List<GuiComponent> components = new ObjectArrayList<>();
+		List<IInteractable> interactables = new ObjectArrayList<>();
+		
+		public void add(GuiComponent component) {
+			components.add(component);
+			interactables.add(component.interactContainer());
+		}
+		
+		public boolean contains(GuiComponent component) {
+			return components.contains(component);
+		}
+		
+		public boolean remove(GuiComponent component) {
+			if(components.remove(component)) {
+				interactables.remove(component.interactContainer());
+				return true;
+			}
+			return false;
+		}
+		
+		public boolean isEmpty() {
+			return components.isEmpty();
+		}
+	}
+}
diff --git a/src/main/java/speiger/src/coreengine/rendering/guiOld/base/GuiScreenBase.java b/src/main/java/speiger/src/coreengine/rendering/guiOld/base/GuiScreenBase.java
index 8a12850..d330f93 100644
--- a/src/main/java/speiger/src/coreengine/rendering/guiOld/base/GuiScreenBase.java
+++ b/src/main/java/speiger/src/coreengine/rendering/guiOld/base/GuiScreenBase.java
@@ -410,7 +410,7 @@ public class GuiScreenBase extends GuiBase
 	
 	protected Iterator<IButtonComponent> sortByHeight(List<IButtonComponent> comp)
 	{
-		comp.sort(ButtonSorter.SORTER);
+		comp.sort(Comparator.comparingDouble(IButtonComponent::getComponentZ));
 		return comp.iterator();
 	}