NewGamePanel.java

package com.lucasdnd.ags.ui;

import org.newdawn.slick.Font;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.state.StateBasedGame;

import com.lucasdnd.ags.system.GameSystem;

public class NewGamePanel extends Panel {

	TextInput storeNameTextInput;
	RadioButtonGroup difficultyRadioButtonGroup, mapSizeRadioButtonGroup;
	TextButton startGameTextButton, cancelTextButton;
	
	final int maxStoreNameLength = 22;
	final float padding = 4f;
	final float margin = 8f;
	final float lineHeight = 32f;
	
	public NewGamePanel(String title, float xPos, float yPos, float width, float height) throws SlickException {
		super(title, xPos, yPos, width, height);
		
		final float buttonWidth = 100f;
		final float buttonHeight = 32f;
		final float textInputWidth = 297f;
		storeNameTextInput = new TextInput("Store name: ", maxStoreNameLength, xPos + padding + margin, yPos + lineHeight + margin, textInputWidth, buttonHeight);
		startGameTextButton = new TextButton("Start", xPos + width * 0.25f, yPos + height - buttonHeight - padding * 4, buttonWidth, buttonHeight);
		cancelTextButton = new TextButton("Cancel", xPos + width * 0.5f, yPos + height - buttonHeight - padding * 4, buttonWidth, buttonHeight);
		
		difficultyRadioButtonGroup = new RadioButtonGroup("Difficulty", xPos + padding + margin, yPos + padding + lineHeight*2 + margin*2, new RadioButton[] {
				new RadioButton("Easy   ($ 2000)"),
				new RadioButton("Normal ($ 1500)"),
				new RadioButton("Hard   ($ 1000)")
		});
		
		mapSizeRadioButtonGroup = new RadioButtonGroup("Map size", xPos + width / 2f + padding + margin*4, yPos + padding + lineHeight*2 + margin*2, new RadioButton[] {
				new RadioButton("Small"),
				new RadioButton("Medium", false),
				new RadioButton("Large", false)
		});
	}
	
	public void update (GameContainer container, StateBasedGame game, int delta, boolean leftMouseClicked, boolean leftMouseDown,
			int mouseX, int mouseY) throws SlickException {
		
		if (visible) {
			
			storeNameTextInput.update(container, game, delta, leftMouseClicked, leftMouseDown, mouseX, mouseY, container.getInput());
			
			startGameTextButton.update(container, game, delta, leftMouseClicked, leftMouseDown, mouseX, mouseY);
			cancelTextButton.update(container, game, delta, leftMouseClicked, leftMouseDown, mouseX, mouseY);
			
			difficultyRadioButtonGroup.update(leftMouseClicked, mouseX, mouseY);
			mapSizeRadioButtonGroup.update(leftMouseClicked, mouseX, mouseY);
			
			// Enable the Start Game button if options were selected
			startGameTextButton.setEnabled(
					(difficultyRadioButtonGroup.getSelected() != null
					&& mapSizeRadioButtonGroup.getSelected() != null)
					&& storeNameTextInput.getText().length() > 0
					);
			
			// Check clicks
			if (startGameTextButton.gotLeftClicked(leftMouseClicked, mouseX, mouseY)) {
				
				GameSystem gameSystem = ((GameSystem)game);
				
				// Set the settings
				gameSystem.setStoreName(storeNameTextInput.getText());
				gameSystem.setDifficulty(difficultyRadioButtonGroup.getSelectedIndex());
				gameSystem.setMapSize(mapSizeRadioButtonGroup.getSelectedIndex());
				
				// Go!
				gameSystem.addState(GameSystem.mainState);
				GameSystem.mainState.init(container, gameSystem);
				gameSystem.enterState(GameSystem.MAIN_STATE);
				
			} else if (cancelTextButton.gotLeftClicked(leftMouseClicked, mouseX, mouseY)) {
				this.setVisible(false);
				return;
			}
		}
	}
	
	@Override
	public void render(GameContainer container, StateBasedGame game, Graphics g, Font panelFont, Font shadowFont) throws SlickException {
		
		if (visible) {
		
			super.render(container, game, g, panelFont, shadowFont);
			
			storeNameTextInput.render(container, game, g);
			difficultyRadioButtonGroup.render(container, game, g);
			mapSizeRadioButtonGroup.render(container, game, g);
			startGameTextButton.render(container, game, g);
			cancelTextButton.render(container, game, g);
		}
	}

	@Override
	public boolean gotLeftClicked(boolean leftMouseClicked, int mouseX, int mouseY) throws SlickException {
		if (leftMouseClicked &&
				mouseX >= xPos && mouseX <= xPos + width &&
				mouseY >= yPos && mouseY <= yPos + height
				) {
			return true;
		}
		return false;
	}

	@Override
	public boolean gotRightClicked(boolean rightMouseClicked, int mouseX, int mouseY) {
		return false;
	}

	public TextInput getStoreNameTextInput() {
		return storeNameTextInput;
	}

}