/// <summary>
/// Displays the header
/// </summary>
private void DisplayHeader()
{
// Set the color to red
BufferEditor.WriteWithColor(0, 0, " ", ConsoleColor.Red);
BufferEditor.WriteWithColor(0, 5, " ", ConsoleColor.Red);
// Loop 100 times
for (int i = 0; i < 100; i++)
{
// Write to the buffer
BufferEditor.Write(i, 0, "-");
BufferEditor.Write(i, 5, "-");
}
// Change the color to blue
BufferEditor.WriteWithColor(0, 1, " ", ConsoleColor.Blue);
// Write to the buffer
BufferEditor.Write(1, 1, "Score:");
BufferEditor.Write(30, 1, "Level:");
BufferEditor.Write(47, 1, "Lifes:");
// Write the numbers to the buffer
NumberManager.WriteScore(score);
NumberManager.WriteLevel(level);
NumberManager.WriteLifes(lifes);
}
/// <summary>
/// Write the bullet to the buffer
/// </summary>
private void Write()
{
// Write to the buffer
BufferEditor.Delete(coordinates.X, coordinates.Y, bullet.ToString());
BufferEditor.WriteWithColor(0, coordinates.Y, " ", ConsoleColor.White);
}
/// <summary>
/// Set's the color for the barriers
/// </summary>
public void SetColor()
{
for (int i = 0; i < BARRIER_HEIGHT; i++)
{
BufferEditor.WriteWithColor(0, coordinates.Y + i - 1, " ", ConsoleColor.Green);
}
}
/// <summary>
/// Moves the enemy based on it's current direction
/// </summary>
private void Move()
{
// If the enemy is to move down
if (IncreaseY)
{
// Clear the area above the enemy
BufferEditor.WriteWithColor(0, coordinates.Y, " ", ConsoleColor.Black);
BufferEditor.Delete(coordinates.X, coordinates.Y, " ");
// Moves the enemy down
coordinates.Y++;
// Reset the `IncreaseY` back to false
IncreaseY = false;
}
// Else
else
{
// If the movement type is left
if (MovementType == MoveType.LEFT)
{
// Move the enemy left
coordinates.X--;
}
// Else if the movement type is right
else if (MovementType == MoveType.RIGHT)
{
// Move the enemy right
coordinates.X++;
}
}
}
/// <summary>
/// Deletes the enemy from the buffer
/// </summary>
public void Delete()
{
// Go through all the strings in the sprite
for (int i = 0; i < SPRITE_HEIGTH; i++)
{
// Write to the current buffer an empty string
BufferEditor.Delete(coordinates.X, coordinates.Y + i, " ");
}
}
/// <summary>
/// Writes the barriers to the buffer
/// </summary>
public void Write()
{
// Set the color to green
BufferEditor.SetColor(ConsoleColor.Green);
for (int i = 0; i < BARRIER_HEIGHT; i++)
{
BufferEditor.Delete(coordinates.X, coordinates.Y + i - 1, sprite[i]);
}
}
public void Delete()
{
// Go through the ship sprite array
for (int i = 0; i < sprite.Length; i++)
{
// Write each string to the buffer
BufferEditor.Delete(coordinates.X, coordinates.Y + i, " ");
BufferEditor.WriteWithColor(0, coordinates.Y + i, " ", ConsoleColor.Black);
}
}
/// <summary>
/// Writes the ship sprite to the buffer
/// </summary>
private void WriteToBuffer()
{
// Go through the ship sprite array
for (int i = 0; i < sprite.Length; i++)
{
// Write each string to the buffer
BufferEditor.Write(coordinates.X, coordinates.Y + i, sprite[i]);
// Set the color to white
BufferEditor.WriteWithColor(0, coordinates.Y + i, " ", ConsoleColor.White);
}
}
/// <summary>
/// Moves all enemies down
/// </summary>
public void MoveDown()
{
// If the animation timer has finished counting
if (!animationTimer.IsCounting())
{
// Change the sprite to animate the enemy
firstSprite = !firstSprite;
}
// If the moveDownTimer is not counting
if (!moveDownTimer.IsCounting())
{
//Increase the steps by 1
moveDownSteps++;
// If the moveDowSteps is greater than the `MOVE_DOWN_STEPS` returns
if (moveDownSteps > MOVE_DOWN_STEPS)
{
return;
}
// Create a new vector2
Vector2 coordinate;
// Goes through every enemy in the Enemy List
foreach (Enemy enemy in EnemyList)
{
// Save the enemy coordinate to a more convinient variable
coordinate = enemy.Coordinates;
// Set the enemy to not move
enemy.CanMove = false;
// Update the enemy sprite
enemy.FirstSprite = firstSprite;
// Increase the enemy Y
enemy.YIncreasse();
// If the enemy Y coordinate is greater than the `TOP_START_ROW`
if (coordinate.Y > TOP_START_ROW)
{
// Delete the top line of the enemy
BufferEditor.Delete(coordinate.X, coordinate.Y, " ");
// Update the enemy
enemy.Update();
}
}
}
}
/// <summary>
/// Delete a string from the current buffer
/// </summary>
/// <param name="x">String x position</param>
/// <param name="y">String Y position</param>
/// <param name="str">The string</param>
public static void Delete(int x, int y, string str)
{
// Goes through every char on the given string
for (int i = 0; i < str.Length; i++)
{
// Set's the char for the current pixel
currentPixel.pixelChar = str[i];
// Writes that pixel to the buffer
buffer2D.current[x + i, y] = currentPixel;
}
// Write to the buffer
BufferEditor.Write(x, y, str);
}
/// <summary>
/// Writes the enemy sprite to the buffer
/// </summary>
private void WriteToBuffer()
{
// Select the correct sprite to render
currentSprite = FirstSprite ? sprite1 : sprite2;
// Go through the array of strings
for (int i = 0; i < currentSprite.Length; i++)
{
// Write a string to the buffer
BufferEditor.WriteWithColor(0, coordinates.Y + i, " ", myColor);
// Write each string to the buffer
BufferEditor.Delete(coordinates.X, coordinates.Y + i, currentSprite[i]);
}
}
/// <summary>
/// Writes the ovni to the buffer
/// </summary>
public void Write()
{
// If the current state is Flying
if (currentState == State.FLYING)
{
// Loop the height of the ovni sprite
for (int i = 0; i < OVNI_HEIGHT; i++)
{
// Set the color
BufferEditor.WriteWithColor(0, coordinates.Y + i, " ", ConsoleColor.DarkMagenta);
// Write the ovni to the buffer
BufferEditor.Write(coordinates.X, coordinates.Y + i, sprite[i]);
}
}
}
/// <summary>
/// Writes the number to the buffer
/// </summary>
/// <param name="value">
/// The value it self (number of lifes, score, etc...)</param>
/// <param name="xOffset">
/// Offset the number to the right depending on the number of numbers</param>
/// <param name="x">The x value where the number will be displayed</param>
private static void WriteNumber(int value, int xOffset, int x)
{
// Loops 3 times...
for (int i = 0; i < NUMBER_ROWS; i++)
{
// Change the color depending on the row
BufferEditor.WriteWithColor(0, i + 2, " ", i == 0 ?
ConsoleColor.White :
i == 1 ?
ConsoleColor.Yellow :
ConsoleColor.DarkYellow);
// Write each string to the buffer
BufferEditor.Write(x + xOffset, i + 2, digits[value][i]);
}
}
/// <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>
/// Moves the enemies up
/// </summary>
public void MoveUp()
{
// If the moveSpeed timer is not counting and the move steps is counting
if (!moveUpSpeed.IsCounting() && moveUpSteps.IsCounting())
{
// Create a new int `min`
int min = 60;
// Create a new coordinate
Vector2 coordinate;
// Go through every enemy in the enemies list
for (int i = 0; i < EnemyList.Count; i++)
{
// Save it's coordinates
coordinate = EnemyList[i].Coordinates;
// If the min is bigger than the coordinate Y
if (min > coordinate.Y)
{
// Set the min to be equal to the coordinate Y
min = coordinate.Y;
}
}
// If min is bigger than the minimum Y value
if (min > Y_MIN)
{
// Go through every enemy on the enemies list
for (int i = 0; i < EnemyList.Count; i++)
{
// Save it's coordinates
coordinate = EnemyList[i].Coordinates;
// Delete the under part of the enemy
BufferEditor.Delete(coordinate.X, coordinate.Y + 2, " ");
// Decrease the enemy Y value
EnemyList[i].DecreaseY();
}
}
}
}
/// <summary>
/// Deletes the number from the buffer
/// </summary>
/// <param name="format">Used to know how many numbers will represent the value</param>
/// <param name="x">The X position to write the numbers</param>
private static void Delete(int format, int x)
{
// Create a new int `xOffset`
int xOffset = 0;
// Loops the ammount of numbers
for (int i = 0; i <= format; i++)
{
// Loops the ammount of rows
for (int j = 0; j < NUMBER_ROWS; j++)
{
// Deletes the number from the buffer
BufferEditor.Delete(x + xOffset, j + 2, " ");
}
// Increase the x offset by 2
xOffset += 2;
}
}
/// <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);
}
/// <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>
/// Delete the bullet from the buffer
/// </summary>
public void Delete()
{
// Write the bullet to the buffer
BufferEditor.Delete(coordinates.X, coordinates.Y, " ");
}
/// <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>
/// 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>
/// Deletes the Ovni from the buffer
/// </summary>
private void Delete()
{
// Delete the ovni from the buffer
BufferEditor.Delete(coordinates.X, coordinates.Y, " ");
BufferEditor.Delete(coordinates.X, coordinates.Y + 1, " ");
}
