private SceneNode _parent = null; // Parent node
#endregion Fields
#region Constructors
/// <summary>
/// Constructor
/// </summary>
/// <param name="parent">Parent of the node</param>
/// <param name="name">Name of the node</param>
public SceneNode(SceneNode parent, String name)
{
Parent = parent;
Name = name;
_children = new List<SceneNode>();
}
private float _walkSpeed = 20.0f; // Walk-speed of the enemy
#endregion Fields
#region Constructors
/// <summary>
/// Constructor
/// </summary>
/// <param name="parent">Parent of the object</param>
/// <param name="name">Name of the object</param>
/// <param name="sprite">The sprite representing the enemy</param>
/// <param name="walkSpeed">Walking speed of the enemy</param>
public Enemy(SceneNode parent, String name, Sprite sprite, float walkSpeed)
: base(parent, name, sprite)
{
WalkSpeed = walkSpeed;
State = EnemyState.Idle;
IsFixed = false;
}
protected Sprite _sprite; // Sprite for the object
#endregion Fields
#region Constructors
/// <summary>
/// Constructor
/// </summary>
/// <param name="parent">Parent of the object</param>
/// <param name="name">Name of the object</param>
/// <param name="sprite">Sprite representing the object</param>
public WorldObject(SceneNode parent, String name, Sprite sprite)
: base(parent, name)
{
_sprite = sprite;
_position = Vector2.Zero;
_aabb = new AABB(Centre, new Vector2(sprite.Width / 2.0f, sprite.Height / 2.0f));
}
private float _walkSpeed = 20.0f; // Speed in units per second
#endregion Fields
#region Constructors
/// <summary>
/// Constructor
/// </summary>
/// <param name="parent">Parent of the object</param>
/// <param name="name">Name of the object</param>
/// <param name="sprite">The sprite representing the player</param>
/// <param name="walkSpeed">Walking speed of the player</param>
/// <param name="soundFX">Sound effects for the player</param>
public Player(SceneNode parent, String name, Sprite sprite, float walkSpeed, Dictionary<String, SoundEffect> soundFX)
: base(parent, name, sprite)
{
WalkSpeed = walkSpeed;
_updateFunction = this.UpdateWalking;
_soundFX = soundFX;
IsFixed = false;
}
/// <summary>
/// Finds all nearby objects
/// </summary>
/// <param name="sourceObject">Source object</param>
/// <param name="distanceThreshold">The distance from position within which an object is considered close</param>
/// <param name="nearbyObjects">The list to add nearby objects to</param>
public void FindNearbyObjects(SceneNode sourceObject, float distanceThreshold, ref List<WorldObject> nearbyObjects)
{
// Check if I'm close to the source object
if (this != sourceObject)
{
if (distanceThreshold >= (sourceObject.Position - this.Position).Length())
{
nearbyObjects.Add((WorldObject)this);
}
}
// Check children for nearby objects
if (_children.Count > 0)
{
for (int i = 0; i < _children.Count; ++i)
{
_children[i].FindNearbyObjects(sourceObject, distanceThreshold, ref nearbyObjects);
}
}
}
/// <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);
// Load the font
_renderer.Font = Content.Load<SpriteFont>("Courier New");
// Load the background
_background = new Background(new Sprite(Content.Load<Texture2D>("background-1")));
// Create the scenegraph
_scene = new SceneNode(null, "_root_");
// Load the player
// Load the player animations
int fps = 6;
Dictionary<String, FrameSet> playerAnimations = new Dictionary<string, FrameSet>();
List<Tuple<int, int>> idleFrames = new List<Tuple<int, int>>();
idleFrames.Add(new Tuple<int, int>(0, 0));
idleFrames.Add(new Tuple<int, int>(0, 1));
playerAnimations.Add("idle", new FrameSet(idleFrames, true, fps));
List<Tuple<int, int>> walkFrames = new List<Tuple<int, int>>();
walkFrames.Add(new Tuple<int, int>(0, 0));
playerAnimations.Add("walk", new FrameSet(walkFrames, true, fps));
List<Tuple<int, int>> crouchFrames = new List<Tuple<int, int>>();
crouchFrames.Add(new Tuple<int, int>(0, 1));
playerAnimations.Add("crouch", new FrameSet(crouchFrames, true, fps));
List<Tuple<int, int>> jumpFrames = new List<Tuple<int, int>>();
jumpFrames.Add(new Tuple<int, int>(0, 2));
playerAnimations.Add("jump", new FrameSet(jumpFrames, true, fps));
List<Tuple<int, int>> interactionFrames = new List<Tuple<int, int>>();
interactionFrames.Add(new Tuple<int, int>(0, 2));
playerAnimations.Add("interact", new FrameSet(interactionFrames, true, fps));
AnimatedSprite playerSprite = new AnimatedSprite(Content.Load<Texture2D>("player-ss"), 32, 64, playerAnimations);
// Load the player sounds
Dictionary<String, SoundEffect> playerSoundFX = new Dictionary<string, SoundEffect>();
playerSoundFX.Add("jump", Content.Load<SoundEffect>("jump"));
playerSoundFX.Add("run", Content.Load<SoundEffect>("run"));
playerSoundFX.Add("walk", Content.Load<SoundEffect>("walk"));
_player = new Player(_scene, "Player", playerSprite, 100.0f, playerSoundFX);
// Load the enemy
Sprite enemySprite = new Sprite(Content.Load<Texture2D>("enemy"));
_enemy = new Enemy(_scene, "Enemy-1", enemySprite, 20.0f);
_enemy.Position = new Vector2(300.0f, 20.0f);
// Load the crate
WorldObject crate = new WorldObject(_scene, "Crate-1", new Sprite(Content.Load<Texture2D>("crate")));
crate.Position = new Vector2(200.0f, 200.0f);
crate.IsElevated = true;
WorldObject crate2 = new WorldObject(_scene, "Crate-2", new Sprite(Content.Load<Texture2D>("crate")));
crate2.Position = new Vector2(400.0f, 400.0f);
}
