#16 added basic error screen

wizard-client/wizard-client-libgdx/core/src/main/java/eu/jonahbauer/wizard/client/libgdx/screens/ErrorScreen.java

@@ -0,0 +1,68 @@
+package eu.jonahbauer.wizard.client.libgdx.screens;
+
+import com.badlogic.gdx.scenes.scene2d.Actor;
+import com.badlogic.gdx.scenes.scene2d.ui.Label;
+import com.badlogic.gdx.scenes.scene2d.ui.TextButton;
+import com.badlogic.gdx.scenes.scene2d.ui.VerticalGroup;
+import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener;
+import eu.jonahbauer.wizard.client.libgdx.WizardGame;
+import eu.jonahbauer.wizard.client.libgdx.listeners.KeyboardFocusManager;
+import eu.jonahbauer.wizard.client.libgdx.state.Session;
+import eu.jonahbauer.wizard.common.messages.server.NackMessage;
+
+public class ErrorScreen extends MenuScreen {
+    private final String labelText;
+    private TextButton buttonBack;
+    private final MenuScreen prevScreen;
+    
+    private final ChangeListener listener = new ChangeListener() {
+        @Override
+        public void changed(ChangeEvent event, Actor actor) {
+            if (actor == buttonBack) {
+                game.setScreen(prevScreen);
+                sfxClick();
+            }
+        }
+    };
+    
+    public ErrorScreen(WizardGame game, MenuScreen prevScreen, NackMessage message) {
+        super(game);
+        this.prevScreen = prevScreen;
+        labelText = switch (message.getCode()) {
+            case NackMessage.GAME_ALREADY_STARTED -> messages.get("menu.error.game_already_started");
+            case NackMessage.SESSION_FULL -> messages.get("menu.error.session_full");
+            case NackMessage.SESSION_NOT_FOUND -> messages.get("menu.error.session_not_found");
+            case NackMessage.PLAYER_NAME_TAKEN -> messages.get("menu.error.player_name_taken");
+            case NackMessage.PLAYER_NAME_NOT_ALLOWED -> messages.get("menu.error.player_name_not_allowed");
+            case NackMessage.SESSION_NAME_TAKEN -> messages.get("menu.error.session_name_taken");
+            case NackMessage.SESSION_NAME_NOT_ALLOWED -> messages.get("menu.error.session_name_not_allowed");
+            case NackMessage.MALFORMED_MESSAGE -> messages.get("menu.error.malformed_message");
+            case NackMessage.UNEXPECTED_MESSAGE -> messages.get("menu.error.unexpected_message");
+            case NackMessage.ILLEGAL_ARGUMENT -> messages.get("menu.error.illegal_argument");
+            case NackMessage.NOT_FOUND -> messages.get("menu.error.not_found");
+            case NackMessage.ALREADY_CONNECTED -> messages.get("menu.error.already_connected");
+            case NackMessage.GAME_NOT_YET_STARTED -> messages.get("menu.error.game_not_yet_started");
+            case NackMessage.PLAYER_NOT_FOUND -> messages.get("menu.error.player_not_found");
+            case NackMessage.ILLEGAL_STATE -> messages.get("menu.error.illegal_state");
+            case NackMessage.BAD_REQUEST -> messages.get("menu.error.bad_request");
+            default -> "Something went terribly wrong :(";
+        };
+    }
+    
+    @Override
+    public void show() {
+        super.show();
+    
+        var buttonBack = new TextButton(messages.get("menu.error.back"), skin);
+        var label = new Label(labelText, skin);
+        
+        var content = new VerticalGroup();
+        content.setPosition(WizardGame.WIDTH * 0.5f, WizardGame.HEIGHT*0.5f);
+        content.addActor(label);
+        content.addActor(buttonBack);
+        
+        stage.addActor(content);
+        stage.addCaptureListener(new KeyboardFocusManager(buttonBack));
+    }
+    
+}