ResourceID toTextureID(Aircraft.Type type)
{
switch(type)
{
case Aircraft.Type.Eagle:
return ResourceID.Eagle;
case Aircraft.Type.Raptor:
return ResourceID.Raptor;
default:
return 0;
}
}
public World(State.Context context)
{
mWindow = context.window;
mWorldView = mWindow.DefaultView;
mWorldBounds = new IntRect(0, 0, (int)mWorldView.Size.X, 4000); //have to explcitly cast Size.X from float to int because of cast issues between IntRect and FloatRect later on
mSpawnPosition = new Vector2f(mWorldView.Size.X / 2, mWorldBounds.Height - mWorldView.Size.Y); //original code is mWorldBounds.Height - mWorldView.Size, but caused error
mScrollSpeed = -50; //this is not included in book but in source code
mSceneLayers = new SceneNode[(int)Layer.LayerCount];
mTextures = context.textures;
mSceneGraph = new SceneNode();
mPlayerAircraft = null;
mCommandQueue = new CommandQueue();
mEnemySpawnPoints = new List<SpawnPoint>();
mFonts = context.fonts;
mWorldView.Center = mSpawnPosition;
loadTextures();
buildScene();
}
public void addEnemy(Aircraft.Type type, float relX, float relY)
{
SpawnPoint spawn = new SpawnPoint(type, mSpawnPosition.X + relX, mSpawnPosition.Y - relY);
mEnemySpawnPoints.Add(spawn);
}
public void spawnEnemies()
{
while (mEnemySpawnPoints.Count != 0 && mEnemySpawnPoints.Last().y > getBattlefieldBounds().Top)
{
SpawnPoint spawn = mEnemySpawnPoints.Last();
Aircraft enemy = new Aircraft(spawn.type, mTextures, mFonts);
enemy.Position = new Vector2f(spawn.x, spawn.y);
enemy.Rotation = 180;
Console.WriteLine("Spawning Aircraft at:" + enemy.Position);
mSceneLayers[(int)Layer.Air].attachChild(enemy);
mEnemySpawnPoints.RemoveAt(mEnemySpawnPoints.Count - 1);//should remove final spawn
}
}
private void buildScene()
{
for (int i = 0; i < (int)Layer.LayerCount; i++)
{
SceneNode layer = new SceneNode();
mSceneLayers[i] = layer;
mSceneGraph.attachChild(layer);
}
//background code
Texture texture = mTextures.get(ResourceID.Desert);
IntRect textureRect = mWorldBounds;
texture.Repeated = true;
SpriteNode backgroundSprite = new SpriteNode(texture, textureRect);
backgroundSprite.Position = new Vector2f(mWorldBounds.Left, mWorldBounds.Top);
mSceneLayers[(int)Layer.Background].attachChild(backgroundSprite);
//AIRPLANES!
Aircraft leader = new Aircraft(Aircraft.Type.Eagle, mTextures,mFonts);
mPlayerAircraft = leader;
mPlayerAircraft.Position = mSpawnPosition;
mPlayerAircraft.setVelocity(0, mScrollSpeed); //should be mScrolSpeed
mSceneLayers[(int)Layer.Air].attachChild(leader);
addEnemies();
}
public SpawnPoint(Aircraft.Type type, float x, float y)
{
this.type = type;
this.x = x;
this.y = y;
}