//pg. 236
#region Collision Detection
private static void checkShotWallImpacts(Sprite shot)
{
if (shot.Expired)
{
return;
}
if (TileMap.IsWallTile(
TileMap.GetSquareAtPixel(shot.WorldCenter)))
{
shot.Expired = true;
if (shot.Frame == 0)
{
EffectsManager.AddSparksEffect(
shot.WorldCenter,
shot.Velocity);
}
else
{
createLargeExplosion(shot.WorldCenter);
//pg. 282
checkRocketSplashDamage(shot.WorldCenter);
}
}
}
//pg. 237
private static void createLargeExplosion(Vector2 location)
{
EffectsManager.AddLargeExplosion(
location + new Vector2(-10, -10));
EffectsManager.AddLargeExplosion(
location + new Vector2(-10, 10));
EffectsManager.AddLargeExplosion(
location + new Vector2(10, 10));
EffectsManager.AddLargeExplosion(
location + new Vector2(10, -10));
EffectsManager.AddLargeExplosion(location);
}
private static void checkRocketSplashDamage(Vector2 location)
{
int rocketSplashRadius = 40;
foreach (Enemy enemy in EnemyManager.Enemies)
{
if (!enemy.Destroyed)
{
if (enemy.EnemyBase.IsCircleColliding(
location, rocketSplashRadius))
{
enemy.Destroyed = true;
//pg. 285
GameManager.Score += 10;
EffectsManager.AddExplosion(
enemy.EnemyBase.WorldCenter,
Vector2.Zero);
}
}
}
}
//pg. 281
private static void checkShotEnemyImpacts(Sprite shot)
{
if (shot.Expired)
{
return;
}
foreach (Enemy enemy in EnemyManager.Enemies)
{
if (!enemy.Destroyed)
{
if (shot.IsCircleColliding(
enemy.EnemyBase.WorldCenter,
enemy.EnemyBase.CollisionRadius))
{
shot.Expired = true;
enemy.Destroyed = true;
//pg. 285
GameManager.Score += 10;
if (shot.Frame == 0)
{
EffectsManager.AddExplosion(
enemy.EnemyBase.WorldCenter,
enemy.EnemyBase.Velocity / 30);
}
else
{
if (shot.Frame == 1)
{
createLargeExplosion(shot.WorldCenter);
checkRocketSplashDamage(shot.WorldCenter);
}
}
}
}
}
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
// TODO: use this.Content to load your game content here
//pg. 170
spriteSheet = Content.Load <Texture2D>(@"Textures\SpriteSheet");
titleScreen = Content.Load <Texture2D>(@"Textures\TitleScreen");
pericles14 = Content.Load <SpriteFont>(@"Fonts\Pericles14");
//pg. 174
Camera.WorldRectangle = new Rectangle(0, 0, 1600, 1600);
Camera.ViewPortWidth = 800;
Camera.ViewPortHeight = 600;
//pg. 184
//temp code
//tempSprite = new Sprite(
// new Vector2(100, 100),
// spriteSheet,
// new Rectangle(0, 64, 32, 32),
// Vector2.Zero);
//tempSprite2 = new Sprite(
// new Vector2(200, 200),
// spriteSheet,
// new Rectangle(0, 160, 32, 32),
// Vector2.Zero);
//temp end
//pg. 196
TileMap.Initialize(spriteSheet);
//pg. 203
Player.Initialize(
spriteSheet,
new Rectangle(0, 64, 32, 32),
6,
new Rectangle(0, 96, 32, 32),
1,
//pg. 270
new Vector2(32, 32));
//pg. 227
EffectsManager.Initialize(
spriteSheet,
new Rectangle(0, 288, 2, 2),
new Rectangle(0, 256, 32, 32),
3);
//pg. 231
WeaponManager.Texture = spriteSheet;
//pg. 270
GoalManager.Initialize(
spriteSheet,
new Rectangle(0, 7 * 32, 32, 32),
new Rectangle(3 * 32, 7 * 32, 32, 32),
3,
1);
//pg. 286
//GoalManager.GenerateComputers(10);
//pg. 279
EnemyManager.Initialize(
spriteSheet,
new Rectangle(0, 160, 32, 32));
}
// TODO: Add your update logic here
//pg. 185
//temp code
//Vector2 spriteMove = Vector2.Zero;
//Vector2 cameraMove = Vector2.Zero;
//if (Keyboard.GetState().IsKeyDown(Keys.A))
// spriteMove.X = -1;
//if (Keyboard.GetState().IsKeyDown(Keys.D))
// spriteMove.X = 1;
//if (Keyboard.GetState().IsKeyDown(Keys.W))
// spriteMove.Y = -1;
//if (Keyboard.GetState().IsKeyDown(Keys.S))
// spriteMove.Y = 1;
//if (Keyboard.GetState().IsKeyDown(Keys.Left))
// cameraMove.X = -1;
//if (Keyboard.GetState().IsKeyDown(Keys.Right))
// cameraMove.X = 1;
//if (Keyboard.GetState().IsKeyDown(Keys.Up))
// cameraMove.Y = -1;
//if (Keyboard.GetState().IsKeyDown(Keys.Down))
// cameraMove.Y = 1;
//Camera.Move(cameraMove);
//tempSprite.Velocity = spriteMove * 60;
//tempSprite.Update(gameTime);
//tempSprite2.Update(gameTime);
//temp end
//base.Update(gameTime);
// }
/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.CornflowerBlue);
spriteBatch.Begin();
if (gameState == GameStates.TitleScreen)
{
spriteBatch.Draw(
titleScreen,
new Rectangle(0, 0, 800, 600),
Color.White);
}
if ((gameState == GameStates.Playing) ||
(gameState == GameStates.WaveComplete) ||
(gameState == GameStates.GameOver))
{
TileMap.Draw(spriteBatch);
WeaponManager.Draw(spriteBatch);
Player.Draw(spriteBatch);
EnemyManager.Draw(spriteBatch);
EffectsManager.Draw(spriteBatch);
GoalManager.Draw(spriteBatch);
checkPlayerDeath();
spriteBatch.DrawString(
pericles14,
"Score: " + GameManager.Score.ToString(),
new Vector2(30, 5),
Color.White);
spriteBatch.DrawString(
pericles14,
"Terminals Remaining: " +
GoalManager.ActiveTerminals,
new Vector2(520, 5),
Color.White);
}
if (gameState == GameStates.WaveComplete)
{
spriteBatch.DrawString(
pericles14,
"Beginning Wave " +
(GameManager.CurrentWave + 1).ToString(),
new Vector2(300, 300),
Color.White);
}
if (gameState == GameStates.GameOver)
{
spriteBatch.DrawString(
pericles14,
"G A M E O V E R!",
new Vector2(300, 300),
Color.White);
}
spriteBatch.End();
//TileMap.Draw(spriteBatch);
////pg. 231
//WeaponManager.Draw(spriteBatch);
//Player.Draw(spriteBatch);
// //pg. 280
//EnemyManager.Draw(spriteBatch);
// //pg.227
//EffectsManager.Draw(spriteBatch);
// //pg. 271
//GoalManager.Draw(spriteBatch);
//Temp code
//Vector2 mouseLocation = new Vector2(
// Mouse.GetState().X, Mouse.GetState().Y);
//mouseLocation += Camera.Position;
//List<Vector2> path = PathFinder.FindPath(
// TileMap.GetSquareAtPixel(mouseLocation),
// TileMap.GetSquareAtPixel(Player.BaseSprite.WorldCenter));
//if (!(path == null))
//{
// foreach (Vector2 node in path)
// {
// spriteBatch.Draw(
// spriteSheet,
// TileMap.SquareScreenRectangle((int)node.X,
// (int)node.Y),
// new Rectangle(0, 288, 32, 32),
// new Color(128, 0, 0, 80));
// }
//}
//End Temporary code
//spriteBatch.End();
base.Draw(gameTime);
//}
// TODO: Add your drawing code here
//pg. 184
//spriteBatch.Begin();
////pg.197
//TileMap.Draw(spriteBatch);
//tempSprite.Draw(spriteBatch);
//tempSprite2.Draw(spriteBatch);
//spriteBatch.End();
////temp end
//base.Draw(gameTime);
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
//pg. 286
switch (gameState)
{
case GameStates.TitleScreen:
if ((GamePad.GetState(PlayerIndex.One).Buttons.A ==
ButtonState.Pressed) ||
(Keyboard.GetState().IsKeyDown(Keys.Space)))
{
GameManager.StartNewGame();
gameState = GameStates.Playing;
}
break;
case GameStates.Playing:
//pg. 203
Player.Update(gameTime);
//pg. 231
WeaponManager.Update(gameTime);
//pg. 280
EnemyManager.Update(gameTime);
//pg. 227
EffectsManager.Update(gameTime);
//pg. 270
GoalManager.Update(gameTime);
if (GoalManager.ActiveTerminals == 0)
{
gameState = GameStates.WaveComplete;
}
break;
case GameStates.WaveComplete:
waveCompleteTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
if (waveCompleteTimer > waveCompleteDelay)
{
GameManager.StartNewWave();
gameState = GameStates.Playing;
waveCompleteTimer = 0.0f;
}
break;
case GameStates.GameOver:
gameOverTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
if (gameOverTimer > gameOverDelay)
{
gameState = GameStates.TitleScreen;
gameOverTimer = 0.0f;
}
break;
}
base.Update(gameTime);
}