recrownedgtk/RecrownedAthenaeum/UI/Modular/UIModule.cs

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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using RecrownedAthenaeum.Input;
using RecrownedAthenaeum.Render;
using System;
namespace RecrownedAthenaeum.UI.Modular
{
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/// <summary>
/// Module for UI layout.
/// </summary>
public class UIModule : IInputListener
{
private RectangleRenderer rectangleRenderer;
/// <summary>
/// Draws rectangle using the bounds of this module.
/// </summary>
public bool Debugging { set { if (value) { if (rectangleRenderer == null) rectangleRenderer = new RectangleRenderer(); } else { rectangleRenderer?.Dispose(); rectangleRenderer = null; } } get { return rectangleRenderer != null; } }
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/// <summary>
/// Bounds of this module.
/// </summary>
public Rectangle bounds;
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/// <summary>
/// Origin of this module.
/// </summary>
public Vector2 origin;
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/// <summary>
/// The parent of this module. May be null.
/// </summary>
public UIModuleGroup Parent;
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/// <summary>
/// Name of this module. For organizational/referencial purposes mostly.
/// </summary>
public string Name;
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/// <summary>
/// The color tint of this module.
/// </summary>
public Color color = Color.White;
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/// <summary>
/// Called every frame to update this module. Calculations and movement should go here.
/// </summary>
/// <param name="gameTime">Game time information.</param>
public virtual void Update(GameTime gameTime)
{
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}
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/// <summary>
/// Called every frame to draw this module. Anything that needs to be drawn should go here.
/// </summary>
/// <param name="batch">Batch used to draw.</param>
public virtual void Draw(SpriteBatch batch)
{
if (Debugging) { rectangleRenderer.Draw(bounds.X, bounds.Y, bounds.Width, bounds.Height, Color.Red); }
}
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/// <summary>
/// Converts the given rectangle to the coordinates of the parent.
/// </summary>
/// <param name="rectangle">Rectangle to convert.</param>
/// <returns></returns>
public Rectangle ConvertToParentCoordinates(Rectangle rectangle)
{
if (Parent != null)
{
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Rectangle parentHitbox = Parent.ConvertToParentCoordinates(rectangle);
int tX = rectangle.X + parentHitbox.X;
int tY = rectangle.Y + parentHitbox.Y;
return new Rectangle(tX, tY, rectangle.Width, rectangle.Height);
} else
{
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return rectangle;
}
}
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/// <summary>
/// Removes this module from the parent.
/// </summary>
public void RemoveFromParent()
{
if (Parent == null) throw new InvalidOperationException("Parent is null.");
Parent.RemoveModule(this);
}
/// <summary>
/// Called whenever the keyboard state is changed.
/// </summary>
/// <param name="state">The current keyboard state.</param>
/// <returns>Returning whether or not to continue to call the next listener.</returns>
public virtual bool KeyboardStateChanged(KeyboardState state)
{
return true;
}
/// <summary>
/// Called whenever the state of the mouse changes. This includes movement.
/// </summary>
/// <param name="state">The current state of the mouse.</param>
/// <returns>Returning whether or not to continue to call the next listener.</returns>
public virtual bool MouseStateChanged(MouseState state)
{
return true;
}
/// <summary>
/// Sets the origin to be the center of the bounds.
/// </summary>
public void CenterOrigin()
{
origin.X = bounds.Width / 2f;
origin.Y = bounds.Height / 2f;
}
}
}