public void Process(Entity toProcess, GameTime gameTime)
{
if (!IsApplicableTo(toProcess))
{
return;
}
// TODO pass this in so it can be controlled
Random rand = new Random();
RandomPositionOffsetComponent offset = (RandomPositionOffsetComponent)toProcess.components[typeof(RandomPositionOffsetComponent)];
int minX = (int)Math.Min(offset.Maximum.X, offset.Minimum.X);
int maxX = (int)Math.Max(offset.Maximum.X, offset.Minimum.X);
int minY = (int)Math.Min(offset.Maximum.Y, offset.Minimum.Y);
int maxY = (int)Math.Max(offset.Maximum.Y, offset.Minimum.Y);
int x = rand.Next(minX, maxX);
int y = rand.Next(minY, maxY);
PositionDeltaComponent delta = new PositionDeltaComponent();
if (toProcess.components.ContainsKey(typeof(PositionDeltaComponent)))
{
delta = (PositionDeltaComponent)toProcess.components[typeof(PositionDeltaComponent)];
delta.Delta += new Vector2(x, y);
}
else
{
delta.Delta = new Vector2(x, y);
toProcess.AddComponent(delta);
}
toProcess.RemoveComponent(offset);
}
private Entity createExplosionEntity(Game game, AABBComponent parentAABB)
{
Entity expl = new Entity();
//Component: Has a texture
TextureComponent tex = new TextureComponent();
tex.Texture = game.Content.Load<Texture2D>("explosion");
tex.SourceRect = tex.Texture.Bounds;
expl.AddComponent(tex);
//Component: Has an animation
AnimationComponent anim = new AnimationComponent();
anim.CurrentFrameIndex = 0;
anim.FrameDuration = 45;
anim.Looping = false;
anim.NumFrames = 12;
anim.TimeSinceFrameChange = 0;
expl.AddComponent(anim);
//Component: Is rendered at a specific layer (just behind the player)
RenderLayerComponent layer = new RenderLayerComponent();
layer.LayerID = 9;
expl.AddComponent(layer);
//Component: Has a bounding box
AABBComponent aabb = new AABBComponent();
aabb.Height = 134;
aabb.Width = 134;
expl.AddComponent(aabb);
//Component: Destroys itself once its animation completes
DestroyedWhenAnimationCompleteComponent destructor = new DestroyedWhenAnimationCompleteComponent();
expl.AddComponent(destructor);
//Component: Is offset such that it is concentric with its parent
PositionDeltaComponent delta = new PositionDeltaComponent();
float deltaX = parentAABB.Width / 2.0f - aabb.Width / 2.0f;
float deltaY = parentAABB.Height / 2.0f - aabb.Height / 2.0f;
delta.Delta = new Vector2(deltaX, deltaY);
expl.AddComponent(delta);
//Component: Plays an explosion sound
SoundEffectComponent soundEffect = new SoundEffectComponent();
soundEffect.effect = game.Content.Load<SoundEffect>("freesoundsorg/87529__robinhood76__01448-distant-big-explosion-2");
expl.AddComponent(soundEffect);
return expl;
}
public void Process(Entity toProcess, GameTime gameTime)
{
if (!IsApplicableTo(toProcess))
{
return;
}
KeyboardState currentKeyboardState = Keyboard.GetState();
Vector2 pos = new Vector2();
float speed = ((MoveSpeedComponent)toProcess.components[typeof(MoveSpeedComponent)]).MoveSpeed;
// Use the Keyboard
if (currentKeyboardState.IsKeyDown(Keys.Left))
{
pos.X -= speed;
}
if (currentKeyboardState.IsKeyDown(Keys.Right))
{
pos.X += speed;
}
if (currentKeyboardState.IsKeyDown(Keys.Up))
{
pos.Y -= speed;
}
if (currentKeyboardState.IsKeyDown(Keys.Down))
{
pos.Y += speed;
}
// Indicate that the player entity should be translated
PositionDeltaComponent delta = new PositionDeltaComponent();
delta.Delta = pos;
toProcess.AddComponent(delta);
}
