/// <inheritdoc />
protected Layer(SerializationInfo info, StreamingContext ctxt)
: base(info, ctxt)
{
_scene = (Scene)info.GetValue("Scene", typeof(Scene));
_name = info.GetString("Name");
_visible = info.GetBoolean("Visible");
_isParallax = info.GetBoolean("ParallaxLayer");
ParallaxCoefficient = (Vector2)info.GetValue("ParallaxCoefficient", typeof(Vector2));
GraphicsEffect = (SceneElementEffect)info.GetValue("GraphicsEffect", typeof(SceneElementEffect));
}
/// <summary>
/// Draws the texture (located by <paramref name="position"/> parameter, rotated by <paramref name="rotation"/> parameter and scaled by <paramref name="scale"/> parameter) by <paramref name="sceneBatch"/> parameter on the scene.
/// </summary>
/// <param name="sceneBatch">The scene batch for drawing the texture.</param>
/// <param name="position">The position of the texture.</param>
/// <param name="rotation">The rotation of the texture.</param>
/// <param name="scale">The scale of the texture.</param>
/// <param name="effect">Effect to apply to the texture.</param>
public void Draw(SceneBatch sceneBatch, Vector2 position, float rotation, Vector2 scale, SceneElementEffect effect)
{
sceneBatch.DrawTexture(Texture.TextureXna, ref position, rotation, ref scale, Texture.Origin, effect);
}
/// <summary>
/// Draws the animation (located by <paramref name="position"/> parameter, rotated by <paramref name="rotation"/> parameter and scaled by <paramref name="scale"/> parameter) by <paramref name="sceneBatch"/> parameter on the scene.
/// </summary>
/// <param name="sceneBatch">The scene batch for drawing the animation.</param>
/// <param name="position">The position of the animation.</param>
/// <param name="rotation">The rotation of the animation.</param>
/// <param name="scale">The scale of the animation.</param>
/// <param name="effect">Effect to apply to the animation.</param>
public void Draw(SceneBatch sceneBatch, Vector2 position, float rotation, Vector2 scale, SceneElementEffect effect)
{
if (sceneBatch.GameTime != null)
{
elapsedTime += sceneBatch.GameTime.ElapsedGameTime.TotalMilliseconds;
}
if (elapsedTime >= Animation.Speed)
{
++actualFrame;
elapsedTime -= Animation.Speed;
if (actualFrame >= Animation.Frames.Count)
{
actualFrame = 0;
}
}
if (actualFrame < Animation.Frames.Count)
{
sceneBatch.DrawTexture(Animation.Frames[actualFrame].TextureXna, ref position, rotation, ref scale, Animation.Frames[actualFrame].Origin, effect);
}
}
/// <summary>
/// Draws the specified texture with the specified settings.
/// </summary>
/// <param name="texture">The texture to draw.</param>
/// <param name="position">The position of the texture.</param>
/// <param name="rotation">The rotation of the texture.</param>
/// <param name="scale">The scale of the texture.</param>
/// <param name="origin">The origin of the texture.</param>
/// <param name="effect">Effect to apply to the texture.</param>
public void DrawTexture(Texture2D texture, ref Vector2 position, float rotation, ref Vector2 scale, Vector2 origin, SceneElementEffect effect)
{
Apply2D();
if (effect == SceneElementEffect.None)
{
Draw(texture, position, null, Microsoft.Xna.Framework.Color.White, rotation, origin, scale, SpriteEffects.None, 0f);
}
else
{
Vector2 textureSize = new Vector2(texture.Width * scale.X, texture.Height * scale.Y);
if (rotation != 0f)
{
Vector2[] rectangle = { new Vector2(), new Vector2(0, textureSize.Y), new Vector2(textureSize.X, 0), textureSize };
Matrix rotateTransform = Matrix.CreateRotationZ(rotation);
Vector2.Transform(rectangle, ref rotateTransform, rectangle);
Vector2 lowerBound = Vector2.Min(rectangle[0], Vector2.Min(rectangle[1], Vector2.Min(rectangle[2], rectangle[3])));
Vector2 upperBound = Vector2.Max(rectangle[0], Vector2.Max(rectangle[1], Vector2.Max(rectangle[2], rectangle[3])));
textureSize = new Vector2(Math.Abs(lowerBound.X - upperBound.X), Math.Abs(lowerBound.Y - upperBound.Y));
}
Vector2 start = new Vector2(ScenePosition.X - textureSize.X + ((position.X - ScenePosition.X) % textureSize.X), ScenePosition.Y - textureSize.Y + ((position.Y - ScenePosition.Y) % textureSize.Y));
Vector2 end = new Vector2(ScenePosition.X + SceneSize.X + textureSize.X, ScenePosition.Y + SceneSize.Y + textureSize.Y);
// Fill
if ((effect & SceneElementEffect.Fill) != 0)
{
for (float x = start.X; x < end.X; x += textureSize.X)
{
for (float y = start.Y; y < end.Y; y += textureSize.Y)
{
Draw(texture, new Vector2(x, y), null, Microsoft.Xna.Framework.Color.White, rotation, origin, scale, SpriteEffects.None, 0f);
}
}
}
else
{
// RepeatHorizontally
if ((effect & SceneElementEffect.RepeatHorizontally) != 0)
{
if (position.X - textureSize.X > start.X || position.X + textureSize.X < end.X)
{
for (float x = start.X; x < end.X; x += textureSize.X)
{
Draw(texture, new Vector2(x, position.Y), null, Microsoft.Xna.Framework.Color.White, rotation, origin, scale, SpriteEffects.None, 0f);
}
}
}
// RepeatVertically
if ((effect & SceneElementEffect.RepeatVertically) != 0)
{
if (position.Y - textureSize.Y > start.Y || position.Y + textureSize.Y < end.Y)
{
for (float y = start.Y; y < end.Y; y += textureSize.Y)
{
Draw(texture, new Vector2(position.X, y), null, Microsoft.Xna.Framework.Color.White, rotation, origin, scale, SpriteEffects.None, 0f);
}
}
}
}
}
}
