Added simple main menu.

core/src/com/saltosion/gladiator/GladiatorBrawler.java

@@ -9,7 +9,7 @@ import com.saltosion.gladiator.gui.GUIManager;
 import com.saltosion.gladiator.input.InputHandler;
 import com.saltosion.gladiator.level.EntityFactory;
 import com.saltosion.gladiator.state.BaseState;
-import com.saltosion.gladiator.state.InGameState;
+import com.saltosion.gladiator.state.MainMenuState;
 import com.saltosion.gladiator.systems.AISystem;
 import com.saltosion.gladiator.systems.CombatSystem;
 import com.saltosion.gladiator.systems.MiscManagerSystem;
@@ -50,7 +50,7 @@ public class GladiatorBrawler extends ApplicationAdapter {
 
 		// Initialize states
 		BaseState.setMainClass(this);
-		setState(new InGameState());
+		setState(new MainMenuState());
 
 		Log.info("Successfully started the game.");
 	}

core/src/com/saltosion/gladiator/gui/creators/MainMenuGUICreator.java

@@ -0,0 +1,39 @@
+package com.saltosion.gladiator.gui.creators;
+
+import com.saltosion.gladiator.gui.nodes.ButtonNode;
+import com.saltosion.gladiator.gui.nodes.TextNode;
+import com.saltosion.gladiator.util.AppUtil;
+import com.saltosion.gladiator.util.Log;
+import com.saltosion.gladiator.util.Name;
+import com.saltosion.gladiator.util.SpriteLoader;
+
+public class MainMenuGUICreator implements GUICreator {
+
+	private boolean shouldPlay = false;
+
+	@Override
+	public void create() {
+		TextNode titleText = new TextNode("Game Title", "Gladiator Brawler Game Thing!");
+		titleText.setPosition(0.23f, 0.8f);
+		AppUtil.guiManager.getRootNode().addChild(titleText);
+
+		ButtonNode playButton = new ButtonNode("Play Button", SpriteLoader.loadSprite(Name.BUTTON_PLAY_HOVER),
+				SpriteLoader.loadSprite(Name.BUTTON_PLAY)) {
+					@Override
+					public void pressed(int x, int y, int mouseButton) {
+					}
+
+					@Override
+					public void released(int x, int y, int mouseButton) {
+						shouldPlay = true;
+					}
+				};
+		playButton.setPosition(0.5f, 0.5f);
+		AppUtil.guiManager.getRootNode().addChild(playButton);
+	}
+
+	public boolean shouldPlay() {
+		return shouldPlay;
+	}
+
+}

core/src/com/saltosion/gladiator/state/InGameState.java

@@ -2,6 +2,7 @@ package com.saltosion.gladiator.state;
 
 import com.saltosion.gladiator.gui.creators.GUICreator;
 import com.saltosion.gladiator.gui.creators.TestGUICreator;
+import com.saltosion.gladiator.gui.nodes.ButtonNode;
 import com.saltosion.gladiator.level.Level;
 import com.saltosion.gladiator.level.TestLevel;
 import com.saltosion.gladiator.util.AppUtil;

core/src/com/saltosion/gladiator/state/MainMenuState.java

@@ -0,0 +1,32 @@
+package com.saltosion.gladiator.state;
+
+import com.saltosion.gladiator.gui.creators.MainMenuGUICreator;
+import com.saltosion.gladiator.util.AppUtil;
+
+public class MainMenuState extends BaseState {
+
+	private MainMenuGUICreator guiCreator;
+
+	@Override
+	public void create() {
+		// Start from a clean slate
+		AppUtil.guiManager.clearGUI();
+
+		guiCreator = new MainMenuGUICreator();
+		guiCreator.create();
+	}
+
+	@Override
+	public void update(float deltaTime) {
+		if (guiCreator.shouldPlay()) {
+			changeState(new InGameState());
+		}
+	}
+
+	@Override
+	public void destroy() {
+		// Clear GUI so there's nothing leftover for the next state
+		AppUtil.guiManager.clearGUI();
+	}
+
+}

core/src/com/saltosion/gladiator/systems/RenderingSystem.java

@@ -45,7 +45,7 @@ public class RenderingSystem extends EntitySystem {
 	public int screenHeight = 0;
 	public int screenWidth = 0;
 
-	private boolean debug = true;
+	private boolean debug = false;
 	private final Color debugColor = new Color(0, 1, 0, 1);
 
 	private float deltaDelay = 0;
@@ -82,10 +82,12 @@ public class RenderingSystem extends EntitySystem {
 
 	@Override
 	public void update(float deltaTime) {
+		if (AppUtil.player != null) {
 			CPhysics phys = pm.get(AppUtil.player);
 			camera.position.set(phys.getPosition().x, phys.getPosition().y, 0);
-		camera.update();
 			fontCamera.position.set(camera.position.x * Global.FONT_SCALE, camera.position.y * Global.FONT_SCALE, 0);
+		}
+		camera.update();
 		fontCamera.update();
 
 		Gdx.gl.glClearColor(0, 0, 0, 0);

core/src/com/saltosion/gladiator/util/Name.java

@@ -11,6 +11,9 @@ public class Name {
 	public static final String WALLIMG = "WALLIMG";
 	public static final String SWINGHITBOXIMG = "SWINGHITBOXIMG";
 
+	public static final String BUTTON_PLAY = "BUTTON_PLAY";
+	public static final String BUTTON_PLAY_HOVER = "BUTTON_PLAY_HOVER";
+
 	public static final String MOVE_LEFT = "MOVE_LEFT";
 	public static final String MOVE_RIGHT = "MOVE_RIGHT";
 	public static final String JUMP = "JUMP";

core/src/com/saltosion/gladiator/util/SpriteLoader.java

@@ -17,6 +17,8 @@ public class SpriteLoader {
 		loadTexture(Name.GROUNDIMG, "sprites/ground.png");
 		loadTexture(Name.WALLIMG, "sprites/wall.png");
 		loadTexture(Name.SWINGHITBOXIMG, "sprites/swinghitbox.png");
+		loadTexture(Name.BUTTON_PLAY, "sprites/buttons/play.png");
+		loadTexture(Name.BUTTON_PLAY_HOVER, "sprites/buttons/playHover.png");
 	}
 
 	/**