Files
LuaCsForBarotraumaEP/Barotrauma/BarotraumaShared/SharedSource/Sprite/SpriteSheet.cs
2022-02-26 02:43:01 +09:00

62 lines
2.0 KiB
C#

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