Add fullscreen GUIs

Closes #66.

5 files changed, 69 insertions, 22 deletions

diff --git a/src/main/java/io/github/cottonmc/cotton/gui/GuiDescription.java b/src/main/java/io/github/cottonmc/cotton/gui/GuiDescription.java
index 0c31912..2e8006b 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/GuiDescription.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/GuiDescription.java
@@ -61,4 +61,23 @@ public interface GuiDescription {
 	default void cycleFocus(boolean lookForwards) {
 		FocusHandler.cycleFocus(this, lookForwards);
 	}
+
+	/**
+	 * Gets whether this GUI is fullscreen.
+	 *
+	 * <p>Fullscreen GUIs have no default background painter and
+	 * have the root panel stretched to fit the entire screen on the client.
+	 *
+	 * @return true if this GUI is fullscreen, false otherwise
+	 * @since 2.0.0
+	 */
+	boolean isFullscreen();
+
+	/**
+	 * Sets whether this GUI is fullscreen.
+	 *
+	 * @param fullscreen true if this GUI is fullscreen, false otherwise
+	 * @since 2.0.0
+	 */
+	void setFullscreen(boolean fullscreen);
 }
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/SyncedGuiDescription.java b/src/main/java/io/github/cottonmc/cotton/gui/SyncedGuiDescription.java
index 8a67c52..cd4e6e8 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/SyncedGuiDescription.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/SyncedGuiDescription.java
@@ -35,6 +35,7 @@ public class SyncedGuiDescription extends ScreenHandler implements GuiDescriptio
 	protected WPanel rootPanel = new WGridPanel();
 	protected int titleColor = WLabel.DEFAULT_TEXT_COLOR;
 	protected int darkTitleColor = WLabel.DEFAULT_DARKMODE_TEXT_COLOR;
+	protected boolean fullscreen = false;
 	
 	protected WWidget focus;
 
@@ -75,7 +76,7 @@ public class SyncedGuiDescription extends ScreenHandler implements GuiDescriptio
 	
 	@Environment(EnvType.CLIENT)
 	public void addPainters() {
-		if (this.rootPanel!=null) {
+		if (this.rootPanel!=null && !fullscreen) {
 			this.rootPanel.setBackgroundPainter(BackgroundPainter.VANILLA);
 		}
 	}
@@ -455,4 +456,14 @@ public class SyncedGuiDescription extends ScreenHandler implements GuiDescriptio
 			widget.onFocusLost();
 		}
 	}
+
+	@Override
+	public boolean isFullscreen() {
+		return fullscreen;
+	}
+
+	@Override
+	public void setFullscreen(boolean fullscreen) {
+		this.fullscreen = fullscreen;
+	}
 }
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/client/CottonClientScreen.java b/src/main/java/io/github/cottonmc/cotton/gui/client/CottonClientScreen.java
index 2229424..6808aa1 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/client/CottonClientScreen.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/client/CottonClientScreen.java
@@ -15,9 +15,7 @@ public class CottonClientScreen extends Screen implements TextHoverRendererScree
 	protected GuiDescription description;
 	protected int left = 0;
 	protected int top = 0;
-	protected int containerWidth = 0;
-	protected int containerHeight = 0;
-	
+
 	protected WWidget lastResponder = null;
 	
 	public CottonClientScreen(GuiDescription description) {
@@ -44,20 +42,23 @@ public class CottonClientScreen extends Screen implements TextHoverRendererScree
 		reposition(screenWidth, screenHeight);
 	}
 	
-	public void reposition(int screenWidth, int screenHeight) {
+	private void reposition(int screenWidth, int screenHeight) {
 		if (description!=null) {
 			WPanel root = description.getRootPanel();
 			if (root!=null) {
-				this.containerWidth = root.getWidth();
-				this.containerHeight = root.getHeight();
-				
-				this.left = (screenWidth - root.getWidth()) / 2;
-				this.top = (screenHeight - root.getHeight()) / 2;
+				if (!description.isFullscreen()) {
+					this.left = (screenWidth - root.getWidth()) / 2;
+					this.top = (screenHeight - root.getHeight()) / 2;
+				} else {
+					this.left = 0;
+					this.top = 0;
+					root.setSize(screenWidth, screenHeight);
+				}
 			}
 		}
 	}
 	
-	public void paint(MatrixStack matrices, int mouseX, int mouseY) {
+	private void paint(MatrixStack matrices, int mouseX, int mouseY) {
 		super.renderBackground(matrices);
 		
 		if (description!=null) {
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/client/CottonInventoryScreen.java b/src/main/java/io/github/cottonmc/cotton/gui/client/CottonInventoryScreen.java
index 10ff4f6..4891765 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/client/CottonInventoryScreen.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/client/CottonInventoryScreen.java
@@ -65,10 +65,10 @@ public class CottonInventoryScreen<T extends SyncedGuiDescription> extends Handl
 		
 		description.addPainters();
 		
-		reposition();
+		reposition(screenWidth, screenHeight);
 	}
 	
-	public void reposition() {
+	private void reposition(int screenWidth, int screenHeight) {
 		WPanel basePanel = description.getRootPanel();
 		if (basePanel!=null) {
 			basePanel.validate(description);
@@ -80,13 +80,18 @@ public class CottonInventoryScreen<T extends SyncedGuiDescription> extends Handl
 			if (backgroundWidth<16) backgroundWidth=300;
 			if (backgroundHeight<16) backgroundHeight=300;
 		}
-		x = (width / 2) - (backgroundWidth / 2);
-		y =  (height / 2) - (backgroundHeight / 2);
-	}
-	
-	@Override
-	public void onClose() {
-		super.onClose();
+
+		if (!description.isFullscreen()) {
+			x = (width / 2) - (backgroundWidth / 2);
+			y = (height / 2) - (backgroundHeight / 2);
+		} else {
+			x = 0;
+			y = 0;
+
+			if (basePanel != null) {
+				basePanel.setSize(screenWidth, screenHeight);
+			}
+		}
 	}
 	
 	@Override
@@ -211,7 +216,7 @@ public class CottonInventoryScreen<T extends SyncedGuiDescription> extends Handl
 	@Override
 	protected void drawBackground(MatrixStack matrices, float partialTicks, int mouseX, int mouseY) {} //This is just an AbstractContainerScreen thing; most Screens don't work this way.
 	
-	public void paint(MatrixStack matrices, int mouseX, int mouseY) {
+	private void paint(MatrixStack matrices, int mouseX, int mouseY) {
 		super.renderBackground(matrices);
 		
 		if (description!=null) {
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/client/LightweightGuiDescription.java b/src/main/java/io/github/cottonmc/cotton/gui/client/LightweightGuiDescription.java
index 3eb6578..87d8a09 100644
--- a/src/main/java/io/github/cottonmc/cotton/gui/client/LightweightGuiDescription.java
+++ b/src/main/java/io/github/cottonmc/cotton/gui/client/LightweightGuiDescription.java
@@ -18,6 +18,7 @@ public class LightweightGuiDescription implements GuiDescription {
 	protected WPanel rootPanel = new WGridPanel();
 	protected int titleColor = WLabel.DEFAULT_TEXT_COLOR;
 	protected int darkmodeTitleColor = WLabel.DEFAULT_DARKMODE_TEXT_COLOR;
+	protected boolean fullscreen = false;
 	protected PropertyDelegate propertyDelegate;
 	protected WWidget focus;
 	
@@ -45,7 +46,7 @@ public class LightweightGuiDescription implements GuiDescription {
 
 	@Override
 	public void addPainters() {
-		if (this.rootPanel!=null) {
+		if (this.rootPanel!=null && !fullscreen) {
 			this.rootPanel.setBackgroundPainter(BackgroundPainter.VANILLA);
 		}
 	}
@@ -94,4 +95,14 @@ public class LightweightGuiDescription implements GuiDescription {
 			widget.onFocusLost();
 		}
 	}
+
+	@Override
+	public boolean isFullscreen() {
+		return fullscreen;
+	}
+
+	@Override
+	public void setFullscreen(boolean fullscreen) {
+		this.fullscreen = fullscreen;
+	}
 }