From 2889885715dbbdaa56e3128a958b6af8efc325e7 Mon Sep 17 00:00:00 2001
From: Nao Pross <naopross@thearcway.org>
Date: Wed, 21 Nov 2018 17:34:38 +0100
Subject: Start implementation of widgets feature

---
 src/subconscious/graphics/Scene.java         | 20 +++++++++++++++++++-
 src/subconscious/graphics/widget/Widget.java | 28 ++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 src/subconscious/graphics/widget/Widget.java

diff --git a/src/subconscious/graphics/Scene.java b/src/subconscious/graphics/Scene.java
index 9d11707..60b9616 100644
--- a/src/subconscious/graphics/Scene.java
+++ b/src/subconscious/graphics/Scene.java
@@ -2,6 +2,10 @@ package subconscious.graphics;
 
 import subconscious.Game;
 
+import subconscious.graphics.widget.Widget;
+
+import java.util.ArrayList;
+
 import java.awt.Canvas;
 import java.awt.Graphics2D;
 import java.awt.Dimension;
@@ -43,7 +47,9 @@ public abstract class Scene extends JPanel
 	protected final long DESIRED_FPS = 60;
 	protected final long DESIRED_DELTA_LOOP = (1000*1000*1000)/DESIRED_FPS;
 
-	// Game is never be cached in the local thread
+	protected ArrayList<Widget> widgets = new ArrayList<>();
+
+	// Game is never cached in the local thread
 	protected volatile Game game;
 
 	// TODO: this could become a Queue of scenes to load
@@ -97,6 +103,17 @@ public abstract class Scene extends JPanel
 	protected abstract void update(long deltaNanoTime);
 	protected abstract void render(Graphics2D g);
 
+	protected void renderWidgets(Graphics2D g) {
+		for (Widget w : this.widgets) {
+			Graphics2D widgetGraphics = (Graphics2D) g.create(
+				w.getX(), w.getY(), w.getWidth(), w.getHeight()
+			);
+
+			w.render(widgetGraphics);
+			widgetGraphics.dispose();
+		}
+	}
+
 	/* request scenes */
 	protected synchronized void requestPrevScene() {
 		this.requestedPrevScene = true;
@@ -160,6 +177,7 @@ public abstract class Scene extends JPanel
 				do {
 					Graphics2D g = (Graphics2D) this.buffer.getDrawGraphics();
 					this.render(g);
+					this.renderWidgets(g);
 					g.dispose();
 				// repeat if the rendering buffer contents were restored
 				} while (this.buffer.contentsRestored() && running);
diff --git a/src/subconscious/graphics/widget/Widget.java b/src/subconscious/graphics/widget/Widget.java
new file mode 100644
index 0000000..b3bf4e2
--- /dev/null
+++ b/src/subconscious/graphics/widget/Widget.java
@@ -0,0 +1,28 @@
+package subconscious.graphics.widget;
+
+import java.awt.Graphics2D;
+
+
+public abstract class Widget {
+
+    protected final String UNIQUE_NAME;
+
+    protected int x, y;
+    protected int width, height;
+
+    public Widget(String uniqueName, int x, int y, int width, int height) {
+        this.UNIQUE_NAME = uniqueName;
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+    }
+
+    public abstract void render(Graphics2D g);
+
+    /* accessors */
+    public int getX() { return this.x; }
+    public int getY() { return this.y; }
+    public int getWidth() { return this.width; }
+    public int getHeight() { return this.height; }
+}
\ No newline at end of file
-- 
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