46 lines
1.3 KiB
C#
46 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using Nibriboard.RippleSpace;
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using SBRL.Utilities;
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namespace SBRL.Utilities
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{
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/// <summary>
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/// A collection of tools aid in the manipulation of chunks.
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/// </summary>
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public static class ChunkTools
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{
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/// <summary>
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/// Gets a list of chunk references that cross inside the specified rectangle.
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/// </summary>
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/// <param name="plane">The plane to operate on.</param>
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/// <param name="area">The rectangle to find the containing chunks for.</param>
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/// <returns>All the chunk references that fall inside the specified area.</returns>
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public static List<ChunkReference> GetContainingChunkReferences(Plane plane, Rectangle area)
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{
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List<ChunkReference> result = new List<ChunkReference>();
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Vector2 currentLocation = area.TopLeft;
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while(currentLocation.X < area.BottomRight.X &&
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currentLocation.Y < area.BottomRight.Y)
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{
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result.Add(new ChunkReference(
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plane,
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(int)Math.Floor(currentLocation.X / plane.ChunkSize),
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(int)Math.Floor(currentLocation.Y / plane.ChunkSize)
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));
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currentLocation.X += plane.ChunkSize;
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if(currentLocation.X > area.Right)
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{
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currentLocation.X = area.Left;
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currentLocation.Y += plane.ChunkSize;
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}
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}
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return result;
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}
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}
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}
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