53 lines
1.6 KiB
C#
53 lines
1.6 KiB
C#
using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace RecrownedAthenaeum.Render
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{
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/// <summary>
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/// Box that crops off anything outside of the bounds.
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/// </summary>
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public class ScissorBox
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{
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ConsistentSpriteBatch spriteBatch;
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Rectangle originalScissor;
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RasterizerState originalRasterizerState;
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RasterizerState scissorRasterizerState;
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/// <summary>
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/// Used to crop off anything that doesn't fit into the defined space.
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/// </summary>
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public ScissorBox()
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{
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scissorRasterizerState = new RasterizerState();
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scissorRasterizerState.ScissorTestEnable = true;
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}
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/// <summary>
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/// Starts spritebatch with scissoring enabled.
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/// </summary>
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/// <param name="rectangle"></param>
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/// <param name="spriteBatch"></param>
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public void Begin(Rectangle rectangle, ConsistentSpriteBatch spriteBatch)
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{
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this.spriteBatch = spriteBatch;
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originalRasterizerState = spriteBatch.RasterizerState;
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spriteBatch.Begin(rasterizerState: scissorRasterizerState);
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originalScissor = spriteBatch.GraphicsDevice.ScissorRectangle;
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spriteBatch.GraphicsDevice.ScissorRectangle = rectangle;
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}
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/// <summary>
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/// Ends the scissoring and spritebatch.
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/// </summary>
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public void End()
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{
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spriteBatch.GraphicsDevice.ScissorRectangle = originalScissor;
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spriteBatch.RasterizerState = originalRasterizerState;
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spriteBatch.End();
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}
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}
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}
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