source: 2013/27/TeemuM/Game/Game/Game/Game.cs @ 4429

using System;
using System.Collections.Generic;
using Jypeli;
using Jypeli.Assets;
using Jypeli.Controls;
using Jypeli.Effects;
using Jypeli.Widgets;

public class G : PhysicsGame
{
    public static G game;
    private IntMeter scoreboard;
    public Player player { get; private set; }
    private List<Zombie> enemies = new List<Zombie>();

    public override void Begin()
    {
        game = this;
        Mouse.IsCursorVisible = true;
        MainMenu();
    }

    public void MainMenu()
    {
        MultiSelectWindow menu = new MultiSelectWindow("TESTMODE", "Developer tools", "Start this thing", "Perks", "Get me out of here");
        menu.DefaultCancel = -0;
        menu.AddItemHandler(0, delegate() { MessageDisplay.Add("Starting game..."); StartGame(); DeveloperCommand(); });
        menu.AddItemHandler(1, CharacterMenu);
        menu.AddItemHandler(2, PerkMenu);
        menu.AddItemHandler(3, Exit);
        Add(menu);

    }

    private void DeveloperCommand()
    {
        IsPaused = true;
        InputWindow prompt = new InputWindow("");
        prompt.TextEntered += delegate(InputWindow p)
        {
            if (p.InputBox.Text.Length == 0) { IsPaused = false; return; }
            string[] commands = p.InputBox.Text.Split(' ');

            if (commands[0] == "money")
            {
                if (commands[1] == "add")
                {
                    MessageDisplay.Add("+$" + int.Parse(commands[2]));
                }
                else if (commands[1] == "reduce")
                {
                    MessageDisplay.Add("-$" + int.Parse(commands[2]));
                }
            }
            else if (commands[0] == "score")
            {
                if (commands[1] == "add")
                {
                    MessageDisplay.Add("+" + int.Parse(commands[2]));
                    Score(int.Parse(commands[2]));
                }
                else if (commands[1] == "reduce")
                {
                    MessageDisplay.Add("-" + int.Parse(commands[2]));
                    Score(int.Parse(commands[2]));
                }
            }
            else if (commands[0] == "level")
            {
                if (commands[1] == "up")
                {
                    MessageDisplay.Add("+" + int.Parse(commands[2]) + " levels");
                }
                else if (commands[1] == "down")
                {
                    MessageDisplay.Add("-" + int.Parse(commands[2]) + " levels");
                }
            }
            else if (commands[0] == "item")
            {
                if (player.GiveWeapon(commands[1]))
                {
                    MessageDisplay.Add("You got " + commands[1] + "!");
                }
                else
                {
                    MessageDisplay.Add("What " + commands[1] + "?");
                }
            }
            else if (commands[0] == "powerup")
            {
                if (player.PowerUp(commands[1], double.Parse(commands[2])))
                    MessageDisplay.Add("Activated " + commands[1] + " powerup");
                else
                    MessageDisplay.Add("No such powerup");
            }
            else if (commands[0] == "spawn")
            {
                if (commands[1] == "zombie")
                {
                    if (commands.Length > 2)
                    {
                        for (int i = 0; i < int.Parse(commands[2]); i++)
                            SpawnZombie();
                    } else { SpawnZombie(); }
                }
            }
            else if (commands[0] == "kill")
            {
                if (commands[1] == "enemies")
                {
                    KillAllEnemies();
                    MessageDisplay.Add("All enemies killed");
                }
            }
            else if (commands[0] == "health")
            {
                if (commands[1] == "add")
                {
                    player.health.Value += int.Parse(commands[2]);
                    MessageDisplay.Add("+" + commands[2] + " health");
                }
                else if (commands[1] == "reduce")
                {
                    player.health.Value -= int.Parse(commands[2]);
                    MessageDisplay.Add("-" + commands[2] + " health");
                }
            }
            else if (commands[0] == "enemies")
            {
                if (commands[1] == "count")
                {
                    MessageDisplay.Add("Enemies spawned: " + enemies.Count);
                }
            }
            else if (commands[0] == "die")
            {
                UI.GameOver();
            }
            else if (commands[0] == "exit")
            {
                Exit();
            }
            else { MessageDisplay.Add("Unknow command!"); }

            DeveloperCommand();
        };
        Add(prompt);
    }

    private void StartGame()
    {
        Keyboard.Listen(Key.Escape, ButtonState.Pressed, delegate() { PauseMenu(); }, null);
        Keyboard.Listen(Key.E, ButtonState.Pressed, delegate() { Inventory(); }, null);
        Keyboard.Listen(Key.Tab, ButtonState.Pressed, DeveloperCommand, null);
        AddScoreMeter();

        player = new Player(50, 50, 10, true);
        Camera.Follow(player);
        Add(player);
        SpawnZombie();
        CreateLifeMeter();

        Timer t = new Timer();
        t.Interval = 1;
        t.Timeout += delegate() { SpawnZombie(); };
        t.Start();
    }

    public void Score(int changeValue)
    {
        scoreboard.Value += changeValue;
    }

    private void SpawnZombie()
    {
        double i = RandomGen.NextDouble(100, 1000);
        Double x = 0;
        Double y = 0;

        if (RandomGen.NextBool())
        {
            x = RandomGen.SelectOne(Screen.Left-i, Screen.Right+i);
            y = RandomGen.NextDouble(Screen.Bottom-i, Screen.Top+i);
        }
        else
        {
            x = RandomGen.NextDouble(Screen.Left-i, Screen.Right+i);
            y = RandomGen.SelectOne(Screen.Bottom-i, Screen.Top+i);
        }
        Zombie zombie = new Zombie(50, 50, x+player.X, y+player.Y, 100);
        enemies.Add(zombie);
        Add(zombie);
    }

    private void KillAllEnemies()
    {
        foreach (Zombie enemy in enemies)
        {
            enemy.Destroy();
        }
    }

    private void AddScoreMeter()
    {
        scoreboard = new IntMeter(0);
        Label ScoreScreen = new Label();
        ScoreScreen.X = 0;
        ScoreScreen.Y = Screen.Bottom + 100;
        ScoreScreen.TextColor = Color.Black;
        ScoreScreen.Color = Color.White;
        ScoreScreen.BindTo(scoreboard);
        Add(ScoreScreen);
    }

    private void SaveAndBackToMenu() //ToDo: Save
    {
        ClearAll();
        MessageDisplay.Add("Saved!");
        MainMenu();
    }

    public void PauseMenu()
    {
        MultiSelectWindow menu = new MultiSelectWindow("Pause Menu", "Resume Game", "Back to Menu", "Exit Game");
        menu.DefaultCancel = 0;
        menu.AddItemHandler(0, delegate { IsPaused = false; });
        menu.AddItemHandler(1, SaveAndBackToMenu);
        menu.AddItemHandler(2, Exit);
        Add(menu);
        IsPaused = true;
    }
    
    public void Inventory() //ToDo Inventory and funktionality
    {
        MultiSelectWindow menu = new MultiSelectWindow("Inventory", "Back to Game");
        menu.DefaultCancel = 0;
        menu.AddItemHandler(0, delegate { IsPaused = false; });
        Add(menu);
        IsPaused = true;
    }

    public void CharacterMenu() //ToDo Character variations
    {
        MultiSelectWindow menu = new MultiSelectWindow("Select Character", "Char NRO1", "Char NRO2", "Char NRO3", "Char NRO4", "Back to Main Menu");
        menu.DefaultCancel = 0;
        menu.AddItemHandler(0, StartGame);
        menu.AddItemHandler(1, StartGame);
        menu.AddItemHandler(2, StartGame);
        menu.AddItemHandler(3, StartGame);
        menu.AddItemHandler(4, MainMenu);
        Add(menu);
    }

    public void PerkMenu() //ToDo Perks, Perk selecting system, Save system, and return to main menu button.
    {
        MultiSelectWindow menu = new MultiSelectWindow("Select Perks", "Perk NRO1", "Perk NRO2", "Perk NRO3", "Perk NRO4", "Back to Main Menu");
        menu.DefaultCancel = 0;
        menu.AddItemHandler(0, MainMenu);
        menu.AddItemHandler(1, MainMenu);
        menu.AddItemHandler(2, MainMenu);
        menu.AddItemHandler(3, MainMenu);
        menu.AddItemHandler(4, MainMenu);
        Add(menu);
    }

    void CreateLifeMeter()
    {
        ProgressBar LifeBar = new ProgressBar(150, 20);
        LifeBar.X = Screen.Right - LifeBar.Width / 2 - 10;
        LifeBar.Y = Screen.Bottom + LifeBar.Height / 2 + 10;
        LifeBar.BorderColor = Color.Black;
        LifeBar.BindTo(player.health);
        Add(LifeBar);
    }
}