private void UpdateEnemies()
{
if (enemies.CountEntities() <= 0)
{
switch (rnd.Next(2))
{
case 0:
AddEnemies(new Squadron.Formation(rnd.Next(4, 7)));
break;
default:
AddEnemies(new Squadron.Vformation(rnd.Next(4, 9)));
break;
}
NextMovementStrategy();
}
}
public void ItterateEnemies()
{
if (enemies.CountEntities() == 0)
{
GalagaBus.GetBus().RegisterEvent(
GameEventFactory <object> .CreateGameEventForAllProcessors(
GameEventType.GameStateEvent,
this,
"CHANGE_STATE",
"GAME_WON", ""));
}
enemies.Iterate(delegate(Enemy enemy) {
if (enemy.Shape.Position.Y < 0f)
{
GalagaBus.GetBus().RegisterEvent(
GameEventFactory <object> .CreateGameEventForAllProcessors(
GameEventType.GameStateEvent,
this,
"CHANGE_STATE",
"GAME_LOST", ""));
}
});
}
public bool CleanEnemies()
{
EntityContainer <Enemy> newEnemies = new EntityContainer <Enemy>();
foreach (Enemy enemy in Enemies)
{
if (enemy.IsDestroyed())
{
Score.GetInstance().AddPoint(enemy.Points);
enemy.DeleteEntity();
}
if (!enemy.IsDeleted())
{
newEnemies.AddDynamicEntity(enemy);
}
}
Enemies = newEnemies;
// returns false if squadron is empty
return(newEnemies.CountEntities() > 0);
}
/// <summary>
/// Add a new entity to the instance's platEntity EntityContainer. Also updates the
/// boundingBox shape if the position and dimensions of the new shape exceed the ones of
/// boundingBox. Also re-centers the platform's text label to the new center of the
/// bounding box
/// </summary>
/// <param name="shape"></param>
/// <param name="image"></param>
public void AddPlatform(StationaryShape shape, IBaseImage image)
{
if (platEntity.CountEntities() < 1)
{
boundingBox.Position = shape.Position.Copy();
boundingBox.Extent = shape.Extent.Copy();
}
platEntity.AddStationaryEntity(shape, image);
if (shape.Position.X < boundingBox.Position.X)
{
boundingBox.Position.X = shape.Position.X;
}
if (shape.Position.Y < boundingBox.Position.Y)
{
boundingBox.Position.Y = boundingBox.Position.Y;
}
if (shape.Position.X + shape.Extent.X >
boundingBox.Position.X + boundingBox.Extent.X)
{
boundingBox.Extent.X =
(shape.Position.X + shape.Extent.X) - boundingBox.Position.X;
}
if (shape.Position.Y + shape.Extent.Y >
boundingBox.Position.Y + boundingBox.Extent.Y)
{
boundingBox.Extent.Y =
(shape.Position.Y + shape.Extent.Y) - boundingBox.Position.Y;
}
text.GetShape().Position = new Vec2F(
boundingBox.Position.X + boundingBox.Extent.X / 2 - Constants.EXTENT_X / 2,
boundingBox.Position.Y);
}
/// <summary>
/// Builds a level object from the given level file path.
/// </summary>
/// <param name="filepath"></param>
/// <returns></returns>
public Level GetLevelFromFile(string filepath)
{
var levelContent = levelLoader.ReadFileContents(filepath);
//parsing map
var levelMap = levelContent[Constants.MAP];
if (levelMap.Count != 23 || levelMap[0].Length != 40)
{
throw new Exception(
"Error building level. Level must be 40 lines x 23 characters.");
}
var platformIds = levelParser.ParsePlatformChars(levelContent[Constants.PLATFORMS]);
if (platformIds.Count < 1)
{
throw new Exception("Error building level. Level must contain platforms.");
}
var levelImages = levelParser.ParseImages(levelContent[Constants.IMAGES]);
if (levelImages.Count < 1)
{
throw new Exception("Error building level. Level must contain image mapping.");
}
Dictionary <char, Platform> platformDictionary = new Dictionary <char, Platform>();
foreach (char platformChar in platformIds)
{
platformDictionary.Add(platformChar, new Platform(platformChar));
}
EntityContainer <Obstacle> obstacles = new EntityContainer <Obstacle>();
EntityContainer portals = new EntityContainer();
Vec2F extent = new Vec2F(Constants.EXTENT_X, Constants.EXTENT_Y);
Vec2F playerStartingPosition = null;
Player player = new Player(null, null);
//parsing level map
int i = 0;
foreach (string mapString in levelMap)
{
for (int j = 0; j < mapString.Length; j++)
{
char mapChar = mapString[j];
Vec2F position =
new Vec2F(
j * Constants.EXTENT_X,
1 - i * Constants.EXTENT_Y - Constants.EXTENT_Y
);
StationaryShape shape = new StationaryShape(position, extent);
if (mapChar == ' ')
{
continue;
}
//checking the individual map chars
if (platformIds.Contains(mapString[j]))
{
platformDictionary[mapChar].AddPlatform(
shape, imageContainer.GetImageByName(levelImages[mapChar]));
}
else if (mapChar == '^')
{
portals.AddStationaryEntity(shape, null);
}
else if (mapChar == '<' || mapChar == '>')
{
playerStartingPosition =
new Vec2F(j * Constants.EXTENT_X, 1 - i * Constants.EXTENT_Y);
player.Shape.Position = playerStartingPosition;
}
else
{
var newObstacle = new Obstacle(shape, null)
{
Image = imageContainer.GetImageByName(levelImages[mapChar])
};
obstacles.AddStationaryEntity(newObstacle);
}
}
i++;
}
if (playerStartingPosition == null)
{
throw new Exception(
"Error building level. Level map must contain a starting position for player.");
}
if (portals.CountEntities() < 1)
{
throw new Exception(
"Error building level. Level map must contain portal entities.");
}
var levelCustomers =
levelParser.ParseCustomerStrings(levelContent[Constants.CUSTOMERS]);
var name = levelParser.ParseLevelName(levelContent[Constants.NAME]);
return(new Level(
name,
portals,
obstacles,
platformDictionary,
levelCustomers,
player,
playerStartingPosition));
}
private bool CheckEnemiesDefeated()
{
return(enemies.CountEntities() == 0);
}