private void CheckForEvents(List <Player> activePlayers, List <TrailSegment> trails)
{
foreach (var player in activePlayers)
{
var bike = player.GetBike();
var crashed = bike.Collides(trails, 1, out var collidedWith) || _arena.CheckCollision(bike, 1);
if (crashed)
{
var crashedInto = activePlayers.FirstOrDefault(p => p.GetId() == collidedWith);
PlayerCrashed(player, crashedInto);
}
foreach (var powerUp in _powerUpKeeper.GetList().Where(p => !p.IsCollected()))
{
var pos = bike.GetPos();
var dir = bike.GetDir();
var aheadX = pos.X + (2 * dir.X);
var aheadY = pos.Y + (2 * dir.Y);
var line = new LineSegment2D(new Vector2(pos.X, pos.Y), new Vector2(aheadX, aheadY));
if (powerUp.Collides(line))
{
_powerUpKeeper.PlayerCollectedPowerUp(player, powerUp);
}
}
}
}
public ClientUpdateDto PredictCollision()
{
var dDist = 20;
var activePlayers = _players.Where(p => p.IsAlive()).ToList();
var allTrails = new List <TrailSegment>();
foreach (var p in activePlayers)
{
var isSelf = p.GetId() == _botId;
allTrails.AddRange(p.GetBike().GetTrailSegmentList(!isSelf));
}
var incCollision = _botBike.Collides(allTrails, dDist, out _) || _arena.CheckCollision(_botBike, dDist);
if (!incCollision)
{
return(null);
}
var newVal = _rand.Next(0, 2) == 0 ? -1 : 1;
var updateDto = new ClientUpdateDto {
PlayerId = _botId
};
if (_botBike.GetDir().X != 0)
{
updateDto.XDir = 0;
updateDto.YDir = newVal;
}
else if (_botBike.GetDir().Y != 0)
{
updateDto.XDir = newVal;
updateDto.YDir = 0;
}
return(RandomDirectionDto());
}
private void PredictCollision()
{
var dDist = 20;
var activePlayers = players.Where(p => p.IsAlive()).ToList();
var allTrails = new List <TrailSegment>();
foreach (var p in activePlayers)
{
var isSelf = p.GetId() == GetId();
allTrails.AddRange(p.GetBike().GetTrailSegmentList(!isSelf));
}
var incCollision = GetBike().Collides(allTrails, dDist, out _) || arena.CheckCollision(GetBike(), dDist);
if (!incCollision)
{
return;
}
var newVal = _rand.Next(0, 2) == 0 ? -1 : 1;
var updateDto = new ClientUpdateDto {
PlayerId = GetId()
};
if (GetBike().GetDir().X != 0)
{
updateDto.XDir = 0;
updateDto.YDir = newVal;
}
else if (GetBike().GetDir().Y != 0)
{
updateDto.XDir = newVal;
updateDto.YDir = 0;
}
controller.SendUpdate(GetId(), updateDto);
}
public override void Update(GameTime gameTime)
{
if (!contentLoaded)
{
LoadContent();
}
if (player1.Status == PlayerStatus.GameOver && (player2.Status == PlayerStatus.GameOver || player2.Status == PlayerStatus.Disabled))
{
SetUpNewGame(this.gameOptions);
StartGame();
return;
}
if (enemies.Count == 0)
{
level++;
StartLevel();
return;
}
this.player1pad = GamePad.GetState(PlayerIndex.One);
this.player2pad = GamePad.GetState(PlayerIndex.Two);
targets.Clear();
if (Xin.CheckKeyReleased(Keys.M)) // MUTE/MUSIC
{
if (MediaPlayer.State == MediaState.Playing)
{
MediaPlayer.Pause();
}
else
{
MediaPlayer.Resume();
}
}
if (Xin.CheckKeyReleased(Keys.R)) // RESTART
{
SetUpNewGame(this.gameOptions);
}
if (player1.Status == PlayerStatus.Resurrecting)
{
player1.Sprite.Position = arena.GetSafeSpawnPosition(player2, enemies, enemyListController.shots);
}
if (player2.Status == PlayerStatus.Resurrecting)
{
player2.Sprite.Position = arena.GetSafeSpawnPosition(player1, enemies, enemyListController.shots);
}
//--- Player 1 ---//
if (player1.Status == PlayerStatus.Active)
{
player1.Sprite.CurrentAnimation = AnimationKey.Idle;
if (player1.shotReloadTimeRemaining > 0)
{
player1.shotReloadTimeRemaining -= gameTime.ElapsedGameTime.Milliseconds;
}
if (Xin.KeyboardState.IsKeyDown(Keys.Left) || this.player1pad.ThumbSticks.Left.X < -0.2f) // rotate counterclockwise
{
player1.Sprite.Rotation -= 0.1f;
}
else if (Xin.KeyboardState.IsKeyDown(Keys.Right) || this.player1pad.ThumbSticks.Left.X > 0.2f) // rotate clockwise
{
player1.Sprite.Rotation += 0.1f;
}
if (Xin.KeyboardState.IsKeyDown(Keys.Up) || this.player1pad.Triggers.Left > 0.2f) // thrust
{
float xSpeed = player1.Sprite.Velocity.X + (float)Math.Sin(player1.Sprite.Rotation) / 8;
float ySpeed = player1.Sprite.Velocity.Y - (float)Math.Cos(player1.Sprite.Rotation) / 8;
if (Math.Abs(xSpeed) > player1.MaxSpeed)
{
xSpeed = player1.MaxSpeed * Math.Sign(xSpeed);
}
if (Math.Abs(ySpeed) > player1.MaxSpeed)
{
ySpeed = player1.MaxSpeed * Math.Sign(ySpeed);
}
player1.Sprite.Velocity = new Vector2(xSpeed, ySpeed);
player1.Sprite.CurrentAnimation = AnimationKey.Thrusting;
thrustSound.Play();
}
if (Xin.KeyboardState.IsKeyDown(Keys.RightShift) || this.player1pad.Triggers.Right > 0.2f) // fire!
{
if (player1.shotReloadTimeRemaining <= 0)
{
// determine shot location at the nose of the ship
Vector2 position = new Vector2(player1.Sprite.Position.X + (float)Math.Cos(player1.Sprite.Rotation - MathHelper.PiOver2) * 30,
player1.Sprite.Position.Y + (float)Math.Sin(player1.Sprite.Rotation - MathHelper.PiOver2) * 30);
Vector2 velocity = new Vector2((float)Math.Sin(player1.Sprite.Rotation) * 10, (float)Math.Cos(player1.Sprite.Rotation) * -10);
Shot shot = new Shot(Game, position, velocity, 800, shotTexture, shotAnimations);
player1shots.Add(shot);
shotFireSound.Play();
player1.shotReloadTimeRemaining = player1.shotReloadTime;
}
}
targets.Add(player1.Position);
}
//--- Player 2 ---//
if (player2.Status == PlayerStatus.Active)
{
player2.Sprite.CurrentAnimation = AnimationKey.Idle;
if (player2.shotReloadTimeRemaining > 0)
{
player2.shotReloadTimeRemaining -= gameTime.ElapsedGameTime.Milliseconds;
}
if (Xin.KeyboardState.IsKeyDown(Keys.A) || this.player2pad.ThumbSticks.Left.X < -0.2f) // rotate counterclockwise
{
player2.Sprite.Rotation -= 0.1f;
}
else if (Xin.KeyboardState.IsKeyDown(Keys.D) || this.player2pad.ThumbSticks.Left.X > 0.2f) // rotate clockwise
{
player2.Sprite.Rotation += 0.1f;
}
if (Xin.KeyboardState.IsKeyDown(Keys.W) || this.player2pad.Triggers.Left > 0.2f) // thrust
{
float xSpeed = player2.Sprite.Velocity.X + (float)Math.Sin(player2.Sprite.Rotation) / 8;
float ySpeed = player2.Sprite.Velocity.Y - (float)Math.Cos(player2.Sprite.Rotation) / 8;
if (Math.Abs(xSpeed) > player2.MaxSpeed)
{
xSpeed = player2.MaxSpeed * Math.Sign(xSpeed);
}
if (Math.Abs(ySpeed) > player2.MaxSpeed)
{
ySpeed = player2.MaxSpeed * Math.Sign(ySpeed);
}
player2.Sprite.Velocity = new Vector2(xSpeed, ySpeed);
player2.Sprite.CurrentAnimation = AnimationKey.Thrusting;
thrustSound.Play();
}
if (Xin.KeyboardState.IsKeyDown(Keys.LeftShift) || this.player2pad.Triggers.Right > 0.2f) // fire!
{
if (player2.shotReloadTimeRemaining <= 0)
{
// determine shot location at the nose of the ship
Vector2 position = new Vector2(player2.Sprite.Position.X + (float)Math.Cos(player2.Sprite.Rotation - MathHelper.PiOver2) * 30,
player2.Sprite.Position.Y + (float)Math.Sin(player2.Sprite.Rotation - MathHelper.PiOver2) * 30);
Vector2 velocity = new Vector2((float)Math.Sin(player2.Sprite.Rotation) * 10, (float)Math.Cos(player2.Sprite.Rotation) * -10);
Shot shot = new Shot(Game, position, velocity, 800, shotTexture, shotAnimations);
player2shots.Add(shot);
shotFireSound.Play();
player2.shotReloadTimeRemaining = player2.shotReloadTime;
}
}
targets.Add(player2.Position);
}
// check for collisions with arena walls and obstacles
arena.CheckCollision(player1.Sprite, true);
if (player2.Status == PlayerStatus.Active)
{
arena.CheckCollision(player2.Sprite, true);
}
enemies.ForEach(en => arena.CheckCollision(en.Sprite, true));
// check to see if the enemy got hit
foreach (Shot shot in player1shots)
{
foreach (Enemy enemy in enemies)
{
if (shot.CheckCollision(enemy))
{
player1.AddToScore(enemy.PointValue);
}
}
}
foreach (Shot shot in player2shots)
{
foreach (Enemy enemy in enemies)
{
if (shot.CheckCollision(enemy))
{
player2.AddToScore(enemy.PointValue);
}
}
}
// check to see if the player got hit
foreach (Shot shot in enemyListController.shots)
{
if (shot.CheckCollision(player1))
{
player1.Status = PlayerStatus.Hit;
}
if ((player2.Status == PlayerStatus.Active) && (shot.CheckCollision(player2)))
{
player2.Status = PlayerStatus.Hit;
}
}
if (this.gameOptions.GameType == GameType.TwoPlayerDeathmatch)
{
// see if the players hit each other
foreach (Shot shot in player1shots)
{
if (shot.CheckCollision(player2))
{
player2.Status = PlayerStatus.Hit;
}
}
foreach (Shot shot in player2shots)
{
if (shot.CheckCollision(player1))
{
player1.Status = PlayerStatus.Hit;
}
}
}
foreach (Enemy enemy in enemies)
{
if (player1.Status == PlayerStatus.Active && enemy.CheckCollision(player1.Sprite))
{
player1.Status = PlayerStatus.Hit;
enemy.Status = EnemyStatus.Hit;
}
if ((player2.Status == PlayerStatus.Active) && (enemy.CheckCollision(player2.Sprite)))
{
player2.Status = PlayerStatus.Hit;
enemy.Status = EnemyStatus.Hit;
}
}
enemyListController.shots.RemoveAll(shot => arena.CheckCollision(shot.Sprite, false));
enemyListController.shots.RemoveAll(shot => shot.Range <= 0);
player1shots.RemoveAll(sh => arena.CheckCollision(sh.Sprite, false));
player1shots.RemoveAll(sh => sh.Range <= 0);
player2shots.RemoveAll(sh => arena.CheckCollision(sh.Sprite, false));
player2shots.RemoveAll(sh => sh.Range <= 0);
enemies.RemoveAll(en => en.Status == EnemyStatus.Dead);
// update the game objects
player1shots.ForEach(sh => sh.Update(gameTime));
player2shots.ForEach(sh => sh.Update(gameTime));
enemyListController.shots.ForEach(shot => shot.Update(gameTime));
enemyListController.Update(gameTime, targets);
enemies.ForEach(en => en.Update(gameTime));
if ((player1.Status != PlayerStatus.Disabled) && (player1.Status != PlayerStatus.Dead))
{
player1.Update(gameTime);
}
if ((player2.Status != PlayerStatus.Disabled) && (player2.Status != PlayerStatus.Dead))
{
player2.Update(gameTime);
}
arena.Player1Score = player1.Score;
arena.Player1Lives = player1.Lives;
arena.Player2Lives = player2.Score;
arena.Player2Lives = player2.Lives;
//base.Update(gameTime);
}