11_FallingRocks

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;

class FallingRocks
{
    static int playerPadSize = 3;
    static int playfieldWidth = 40;
    static int livesCount = 10;
    static int pointsCount = 0;
    static string[] rocksSymbols = { "^^", "@@", "*", "+++", "&", ";", "%", "$$", "#", "!", ".." };
    static int indexRocksSymbols;

    struct Object
    {
        public int x;
        public int y;
        public string c;
        public ConsoleColor color;
    }

    static void RemoveScrollBars()
    {
        Console.ForegroundColor = ConsoleColor.Gray;
        Console.BufferHeight = Console.WindowHeight = 20;
        Console.BufferWidth = Console.WindowWidth = 60;
    }

    static void PrintOnPosition(int x, int y, char c, ConsoleColor color = ConsoleColor.Gray)
    {
        Console.SetCursorPosition(x, y);
        Console.ForegroundColor = color;
        Console.Write(c);
    }

    static void PrintStringOnPosition(int x, int y, string str, ConsoleColor color = ConsoleColor.Gray)
    {
        Console.SetCursorPosition(x, y);
        Console.ForegroundColor = color;
        Console.Write(str);
    }

    static void Main()
    {
        RemoveScrollBars();

        Object dwarf = new Object();
        dwarf.x = playfieldWidth / 2 - playerPadSize / 2;
        dwarf.y = Console.WindowHeight - 1;
        dwarf.c = "(0)";
        dwarf.color = ConsoleColor.Yellow;

        Random randomGenerator = new Random();
        List<Object> rocks = new List<Object>();

        // Get a string array with the names of ConsoleColor enumeration members.
        string[] colorNames = ConsoleColor.GetNames(typeof(ConsoleColor));

        while (true)
        {
            bool hitted = false;
            indexRocksSymbols = randomGenerator.Next(0, rocksSymbols.Length);
            ConsoleColor color = (ConsoleColor)Enum.Parse(typeof(ConsoleColor), colorNames[randomGenerator.Next(0, colorNames.Length)]);

            Object newRock = new Object();
            newRock.color = color;
            newRock.c = rocksSymbols[indexRocksSymbols];
            newRock.x = randomGenerator.Next(0, playfieldWidth);
            newRock.y = 0;
            rocks.Add(newRock);

            if (Console.KeyAvailable)
            {
                ConsoleKeyInfo pressedKey = Console.ReadKey(true);
                while (Console.KeyAvailable) Console.ReadKey(true);

                if (pressedKey.Key == ConsoleKey.LeftArrow)
                {
                    if (dwarf.x - 1 >= 0)
                    {
                        dwarf.x = dwarf.x - 1;
                    }
                }
                else if (pressedKey.Key == ConsoleKey.RightArrow)
                {
                    if (dwarf.x + 1 < playfieldWidth)
                    {
                        dwarf.x = dwarf.x + 1;
                    }
                }
            }

            for (int i = 0; i < rocks.Count; i++)
            {
                Object oldObject = rocks[i];
                Object newObject = new Object();
                newObject.x = oldObject.x;
                newObject.y = oldObject.y + 1;
                newObject.c = oldObject.c;
                newObject.color = oldObject.color;
                rocks.Remove(oldObject);

                if (newObject.y == Console.WindowHeight)
                {
                    pointsCount++;
                }

                if ((newObject.y == dwarf.y && newObject.x == dwarf.x)
                    || (newObject.y == dwarf.y && newObject.x == dwarf.x + 1)
                    || (newObject.y == dwarf.y && newObject.x == dwarf.x + 2))
                {
                    livesCount--;
                    hitted = true;

                    if (livesCount <= 0)
                    {
                        PrintStringOnPosition(15, 7, "GAME OVER", ConsoleColor.Red);
                        PrintStringOnPosition(15, 9, "Press Enter to continue", ConsoleColor.Red);
                        Console.ReadLine();
                        Environment.Exit(0);
                    }
                }

                if (newObject.y < Console.WindowHeight)
                {
                    rocks.Add(newObject);
                }
            }

            Console.Clear();

            // Print the dwarf
            if (hitted)
            {
                rocks.Clear();
                PrintStringOnPosition(dwarf.x, dwarf.y, "XXX", ConsoleColor.Red);
            }
            else
            {
                PrintStringOnPosition(dwarf.x, dwarf.y, dwarf.c, dwarf.color);
            }

            // Print the rocks
            foreach (Object rock in rocks)
            {
                PrintStringOnPosition(rock.x, rock.y, rock.c, rock.color);
            }

            PrintStringOnPosition(41, 5, "Lives: " + livesCount, ConsoleColor.White);
            PrintStringOnPosition(41, 7, "Score: " + pointsCount, ConsoleColor.White);

            Thread.Sleep(300);
        }
    }
}