62 lines
2.0 KiB
C#
62 lines
2.0 KiB
C#
using Microsoft.Xna.Framework;
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using System;
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using System.Xml.Linq;
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namespace Barotrauma
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{
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public partial class SpriteSheet : Sprite
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{
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private Rectangle[] sourceRects;
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private int emptyFrames;
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public int FrameCount
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{
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get { return sourceRects.Length - emptyFrames; }
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}
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public Point FrameSize
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{
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get;
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private set;
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}
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public SpriteSheet(ContentXElement element, string path = "", string file = "")
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: base(element, path, file)
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{
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int columnCount = Math.Max(element.GetAttributeInt("columns", 1), 1);
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int rowCount = Math.Max(element.GetAttributeInt("rows", 1), 1);
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origin = element.GetAttributeVector2("origin", new Vector2(0.5f, 0.5f));
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emptyFrames = element.GetAttributeInt("emptyframes", 0);
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Init(columnCount, rowCount);
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}
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public SpriteSheet(string filePath, int columnCount, int rowCount, Vector2 origin, Rectangle? sourceRect = null)
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: base(filePath, origin)
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{
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this.origin = origin;
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if (sourceRect.HasValue) { SourceRect = sourceRect.Value; }
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Init(columnCount, rowCount);
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}
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private void Init(int columnCount, int rowCount)
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{
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sourceRects = new Rectangle[rowCount * columnCount];
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float cellWidth = SourceRect.Width / columnCount;
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float cellHeight = SourceRect.Height / rowCount;
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FrameSize = new Point((int)cellWidth, (int)cellHeight);
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for (int x = 0; x < columnCount; x++)
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{
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for (int y = 0; y < rowCount; y++)
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{
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sourceRects[x + y * columnCount] = new Rectangle((int)(SourceRect.X + x * cellWidth), (int)(SourceRect.Y + y * cellHeight), (int)cellWidth, (int)cellHeight);
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}
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}
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origin.X = origin.X * cellWidth;
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origin.Y = origin.Y * cellHeight;
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}
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}
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}
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