/// <summary>
/// Get Ready method to animate the begining of the game or level
/// </summary>
private void GetReady()
{
// Create a new timer counter
Timer counter = new Timer(160);
// Create a new timer to blink the text
Timer blinker = new Timer(9);
// Create a new bool to display the text
bool displayText = true;
// While the counter is counting
while (counter.IsCounting())
{
// Updates the header
DisplayHeader();
// Sets the `displayText` to true or false
displayText = !blinker.IsCounting() ? !displayText : displayText;
// If the displayText is true
if (displayText)
{
// Set a color and write to the buffer
BufferEditor.WriteWithColor(0, 50, " ", ConsoleColor.Yellow);
BufferEditor.Write(45, 50, "Get Ready!");
}
// Else...
else
{
// Delete from the buffer
BufferEditor.Delete(45, 50, " ");
}
// Move the enemies down
enemies.MoveDown();
/// Render the frame ///
BufferEditor.DisplayRender();
// Delay the loop
Thread.Sleep(BASE_DELAY);
}
// Delete the text again
BufferEditor.Write(45, 50, " ");
}
/// <summary>
/// Renders all the sprites in the menu
/// </summary>
public void RenderMenu()
{
// Display the enemies in the menu
// Enemy 1
for (int i = 0; i < Sprites.enemy1String.Length; i++)
{
BufferEditor.WriteWithColor(0, 10 + i, " ", ConsoleColor.Green);
BufferEditor.Write(6, 10 + i, Sprites.enemy1String[i]);
BufferEditor.Write(85, 10 + i, Sprites.enemy1String[i]);
}
// Enemy 2
for (int i = 0; i < Sprites.enemy2String.Length; i++)
{
BufferEditor.WriteWithColor(0, 17 + i, " ", ConsoleColor.Cyan);
BufferEditor.Write(6, 17 + i, Sprites.enemy2String[i]);
BufferEditor.Write(85, 17 + i, Sprites.enemy2String[i]);
}
// Enemy 3
for (int i = 0; i < Sprites.enemy3String.Length; i++)
{
BufferEditor.WriteWithColor(0, 24 + i, " ", ConsoleColor.Magenta);
BufferEditor.Write(6, 24 + i, Sprites.enemy3String[i]);
BufferEditor.Write(85, 24 + i, Sprites.enemy3String[i]);
}
// Enemy 4
for (int i = 0; i < Sprites.enemy4String.Length; i++)
{
BufferEditor.WriteWithColor(0, 31 + i, " ", ConsoleColor.Blue);
BufferEditor.Write(6, 31 + i, Sprites.enemy4String[i]);
BufferEditor.Write(85, 31 + i, Sprites.enemy4String[i]);
}
// Enemy 5
for (int i = 0; i < Sprites.enemy5String.Length; i++)
{
BufferEditor.WriteWithColor(0, 37 + i, " ", ConsoleColor.DarkGreen);
BufferEditor.Write(6, 37 + i, Sprites.enemy5String[i]);
BufferEditor.Write(85, 37 + i, Sprites.enemy5String[i]);
}
// Display Title
for (int i = 0; i < Sprites.spaceString.Length; i++)
{
BufferEditor.WriteWithColor(0, 21 + i, " ", ConsoleColor.Yellow);
BufferEditor.Write(21, 21 + i, Sprites.spaceString[i]);
BufferEditor.Write(45, 21 + i, Sprites.invadersString[i]);
}
// Display Buttons
for (int i = 0; i < Sprites.playString.Length; i++)
{
BufferEditor.WriteWithColor(0, 28 + i, " ", ConsoleColor.White);
BufferEditor.Write(22, 28 + i, Sprites.playString[i]);
BufferEditor.Write(63, 28 + i, Sprites.quitString[i]);
}
// Display Button Selector
for (int i = 0; i < Sprites.selectionString.Length; i++)
{
BufferEditor.WriteWithColor(0, 33 + i, " ", ConsoleColor.White);
// If we have the play button selected
if (playSelected)
{
// Draw the ship bellow the play button
BufferEditor.Write(PLAY_X_SELECTION, Y_SELECTION + i, Sprites.selectionString[i]);
BufferEditor.Write(QUIT_X_SELECTION, Y_SELECTION + i, " ");
}
// If we have the quit button selected
else if (quitSelected)
{
// Draw the ship bellow the quit button
BufferEditor.Write(QUIT_X_SELECTION, Y_SELECTION + i, Sprites.selectionString[i]);
BufferEditor.Write(PLAY_X_SELECTION, Y_SELECTION + i, " ");
}
}
// Tells the double buffer to render the frame
BufferEditor.DisplayRender();
// Gets the input from the user
GetInput();
}
/// <summary>
/// Game Loop Class
/// </summary>
public void Loop()
{
// Intantiate a new ship
ship = new Ship(level);
// Add a ship to the objects collection
objectsCollection.Add(ship);
// Add the enemies to the objects collection
objectsCollection.Add(enemies);
// Add the barriers to the objects collection
objectsCollection.Add(barriers);
// Add the ovni to the objects collection
objectsCollection.Add(ovni);
// Add the explosions to the objects collection
objectsCollection.Add(explosions);
// Clear the buffer from the menu render
BufferEditor.ClearBuffer();
/// Call a global Start method ///
for (int i = 0; i < objectsCollection.Count; i++)
{
objectsCollection[i].Start();
}
// Create a new long start
long start;
// Create a new long timeToWait
int timeToWait;
// Calls the get ready animation before the game starts
GetReady();
// Loops...
do
{
// The time in ticks at the start of the frame
start = DateTime.Now.Ticks / 10000;
/// Call a global update method ///
for (int i = 0; i < objectsCollection.Count; i++)
{
objectsCollection[i].Update();
}
// Displays the header
DisplayHeader();
// Check for hits
EnemyDestroyedCheck();
OvniDestroyedCheck();
BarrierHitCheck();
// If there's no enemies left
if (enemies.EnemyList.Count == 0)
{
// Call the level completed method
LevelCompleted();
}
// Check if the ship was hit
if (ShipDestroyedCheck())
{
// Call the life lost method
LifeLost();
gameOver = lifes == 0;
}
/// Render the frame ///
BufferEditor.DisplayRender();
// Get the delay needed
timeToWait = (int)(start + FAME_TIME - DateTime.Now.Ticks / 10000);
// Delay the thread by a certain ammout of time so the game can be precieved
Thread.Sleep(timeToWait < 0 ? 0 : timeToWait);
// While the game is not over
} while (!gameOver);
// Clears the buffer
BufferEditor.ClearBuffer();
}
/// <summary>
/// Is called when the level is completed to play animations and initialise the next level
/// </summary>
private void LevelCompleted()
{
// Create a new timer to be a counter for the animations duration
Timer counter = new Timer(201);
// Create a new timer for the blinking animation
Timer blinker = new Timer(9);
// Create a new bool
bool displayScore = false;
// Clears the buffer
BufferEditor.ClearBuffer();
// Loops while the counter is counting
while (counter.IsCounting())
{
// Sets the display score to true or false depending on the counter
displayScore = !blinker.IsCounting() ? !displayScore : displayScore;
// If displayScore is true
if (displayScore)
{
// Write an informational text saying that the level was completed
BufferEditor.WriteWithColor(0, 22, " ", ConsoleColor.Yellow);
BufferEditor.WriteWithColor(0, 24, " ", ConsoleColor.Yellow);
BufferEditor.Delete(36, 22, "L E V E L C O M P L E T E D!");
BufferEditor.Delete(38, 24, "Level bonus 1000 points!");
NumberManager.WriteLevel(level);
}
else
{
// Delete the previously written text
BufferEditor.Write(36, 22, " ");
BufferEditor.Write(38, 24, " ");
NumberManager.DeleteLevel();
}
// Updates the score
score += 5;
NumberManager.WriteScore(score);
// Updates the header
DisplayHeader();
// Display the frame
BufferEditor.DisplayRender();
// Wait for 20 miliseconds
Thread.Sleep(20);
}
// Removes the text in the middle of the screen
BufferEditor.Write(36, 22, " ");
BufferEditor.Write(38, 24, " ");
// Increases the level
level++;
// Updates the level number
NumberManager.WriteLevel(level);
// Delays for 800 miliseconds
Thread.Sleep(800);
// Initializes the next level
InitNextLevel();
}
/// <summary>
/// The player lost a life
/// </summary>
private void LifeLost()
{
// Int with the time ammount the blinking will last
int timer = (lifes == 0) ? 50 : 150;
// Create a new timer
counter = new Timer(timer);
// How long it takes for each blink
blinkCounter = new Timer(8);
// If we wan't to display the lifes
bool displayLife = true;
// Decrease the ammount of lifes
lifes--;
// Set the life lost to true
ship.LifeLost = true;
// Reset the Enemies Move Up
enemies.ResetMoveUp();
// Set the ship destroyed true
enemies.shipDestroyed = true;
// Add an explosion
explosions.Add(ship.Coordinates, ExplosionType.LARGE);
// While the counter is counting
while (counter.IsCounting())
{
// Go through all objects in the collection
for (int i = 0; i < objectsCollection.Count; i++)
{
// Update them
(objectsCollection[i] as GameObject).Update();
}
// Delay the thread by a certain ammout of time so the game can be precieved
Thread.Sleep(BASE_DELAY);
// If the blink counter has stopped counting
if (!blinkCounter.IsCounting())
{
// If display life is true
if (displayLife)
{
// Set it to false
displayLife = false;
// Display the lifes
NumberManager.WriteLifes(lifes + 1);
BufferEditor.DisplayRender();
NumberManager.WriteLifes(lifes + 1);
}
// Else
else
{
// Set it to true
displayLife = true;
// Delete the lifes
NumberManager.DeleteLifes();
}
}
// Check for hits
EnemyDestroyedCheck();
BarrierHitCheck();
/// Render the frame ///
BufferEditor.DisplayRender();
}
// Reset the ship values
ship.Init(level);
// Set the life lost to false
ship.LifeLost = false;
// Set the ship destroyed to false
enemies.shipDestroyed = false;
// Display the lifes
NumberManager.WriteLifes(lifes);
}
