Finish implementing packer, and write simple interface.
Unfortunately we will have to re-implement the Rectangle struct because we can't modify a value type apparently.
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4 changed files with 189 additions and 132 deletions
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@ -32,7 +32,7 @@ namespace SpritePacker
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foreach(Sprite cspr in sprites)
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{
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Point scanLines = Point.Empty;
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Point nextScanLines = scanLines;
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Point nextScanLines = new Point(int.MaxValue, int.MaxValue);
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while(true)
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{
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if (!cspr.IntersectsWith(arrangedSprites))
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@ -55,12 +55,16 @@ namespace SpritePacker
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List<Sprite> problems = cspr.GetIntersectors(arrangedSprites);
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Sprite rightProblem = problems[0];
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foreach (Sprite probSpr in problems)
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{
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if (probSpr.Area.Right > rightProblem.Area.Right)
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rightProblem = probSpr;
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if (probSpr.Area.Top < nextScanLines.Y)
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nextScanLines.Y = probSpr.Area.Top + 1;
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}
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// Move up to the position furthest to the right
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// NOTE: We may need to add one here.
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cspr.Area.X = furthestRightPos + 1;
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cspr.Area.X = rightProblem.Area.Right + 1;
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}
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@ -81,9 +85,12 @@ namespace SpritePacker
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List<Sprite> problems = cspr.GetIntersectors(arrangedSprites);
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Sprite downProblem = problems[0];
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foreach (Sprite probSpr in problems)
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{
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if (probSpr.Area.Bottom > downProblem.Area.Bottom)
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downProblem = probSpr;
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if (probSpr.Area.Left < nextScanLines.X)
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nextScanLines.X = probSpr.Area.Left + 1;
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}
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// Move up to the position furthest downwards
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cspr.Area.Y = downProblem.Area.Bottom + 1;
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}
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@ -93,146 +100,38 @@ namespace SpritePacker
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if (foundPosition)
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break;
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// Make sure that the next scan lines are sane
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if (nextScanLines.X == int.MaxValue)
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nextScanLines.X = scanLines.X;
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if (nextScanLines.Y == int.MaxValue)
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nextScanLines.Y = scanLines.Y;
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// If the next scan lines and the current scan lines are identical,
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// then something is very wrong
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if(nextScanLines.Equals(scanLines))
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throw new Exception("Failed to find the next set of lines to scan!");
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// Move the scan lines up to the next nearest ones we've found
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scanLines = nextScanLines;
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nextScanLines = new Point(int.MaxValue, int.MaxValue);
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}
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if (cspr.IntersectsWith(arrangedSprites))
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{
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// We have a conflict! Let's move it to try and sort this out.
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List<Sprite> problemSprites = cspr.GetIntersectors(arrangedSprites);
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// Find the problem sprite closest to (0, 0)
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Sprite mainProblem = problemSprites[0];
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foreach (Sprite pSpr in problemSprites) {
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if ((pSpr.Area.X < mainProblem.Area.X && pSpr.Area.Y <= mainProblem.Area.Y) ||
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(pSpr.Area.Y < mainProblem.Area.Y && pSpr.Area.X <= mainProblem.Area.X))
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mainProblem = pSpr;
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}
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Point scanBox = new Point(mainProblem.Area.X, mainProblem.Area.Y);
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}
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else
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{
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arrangedSprites.Add(cspr);
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}
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arrangedSprites.Add(cspr);
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}
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}
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}
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public class Sprite
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{
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private Rectangle area;
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private string filename;
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public Rectangle Area
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{
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get { return area; }
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set { area = value; }
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}
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public string Filename
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{
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get { return filename; }
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set { filename = value; }
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// We don't need to copy the list of arranged sprites across to the main list here
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// because Sprite is a class and classes are passed by _reference_.
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}
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public Sprite(string inFilename)
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public override string ToString()
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{
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Filename = inFilename;
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// TODO: Fill in the area automagically based on the given image
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throw new NotImplementedException("Todo: Fill in the area automagically based on the given image");
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}
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string result = string.Format("SpritePacker:");
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public static int GetLargestSize(List<Sprite> sprList)
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{
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int largestSoFar = 0;
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foreach(Sprite spr in sprList)
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{
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if (spr.Area.Width > largestSoFar)
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largestSoFar = spr.Area.Width;
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}
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}
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foreach (Sprite spr in sprites)
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result += string.Format("\t{0}\n", spr);
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public List<Sprite> GetIntersectors(List<Sprite> spriteList)
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{
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List<Sprite> result = new List<Sprite>();
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foreach(Sprite spr in spriteList)
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{
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if (spr.IntersectsWith(this))
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result.Add(spr);
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}
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return result;
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}
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public List<Sprite> GetIntersectorsX(List<Sprite> spriteList)
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{
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List<Sprite> result = new List<Sprite>();
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foreach(Sprite spr in spriteList)
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{
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if (spr.IntersectsWithX(this))
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result.Add(spr);
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}
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return result;
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}
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public List<Sprite> GetIntersectorsY(List<Sprite> spriteList)
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{
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List<Sprite> result = new List<Sprite>();
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foreach(Sprite spr in spriteList)
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{
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if (spr.IntersectsWithY(this))
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result.Add(spr);
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}
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return result;
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}
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public bool IntersectsWith(List<Sprite> otherSprites)
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{
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foreach (Sprite spr in otherSprites)
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{
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if (IntersectsWith(spr))
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return true;
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}
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return false;
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}
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public bool IntersectsWith(Sprite otherSprite)
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{
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return otherSprite.Area.IntersectsWith(Area);
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}
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public bool IntersectsWithX(List<Sprite> otherSprites)
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{
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foreach (Sprite spr in otherSprites)
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{
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if (IntersectsWithX(spr))
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return true;
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}
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return false;
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}
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public bool IntersectsWithY(List<Sprite> otherSprites)
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{
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foreach (Sprite spr in otherSprites)
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{
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if (IntersectsWithY(spr))
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return true;
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}
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return false;
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}
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public bool IntersectsWithX(Sprite otherSprite)
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{
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if(Area.Right > otherSprite.Area.X &&
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Area.X < otherSprite.Area.Right)
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return true;
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else
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return false;
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}
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public bool IntersectsWithY(Sprite otherSprite)
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{
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if(Area.Bottom > otherSprite.Area.Y &&
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Area.Y < otherSprite.Area.Bottom)
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return true;
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else
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return false;
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}
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}
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}
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@ -1,4 +1,7 @@
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using System;
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using System.Collections.Generic;
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using System.Windows.Markup;
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using System.IO;
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namespace SpritePacker
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{
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@ -6,7 +9,34 @@ namespace SpritePacker
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{
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public static void Main(string[] args)
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{
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Console.WriteLine("Hello World!");
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List<string> values = new List<string>();
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for(int i = 0; i < args.Length; i++)
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{
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switch(args[i])
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{
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case "--help":
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Console.WriteLine("Help text coming soon!");
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return;
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break;
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case "--version":
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Console.WriteLine("Version text coming soon!");
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break;
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default:
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values.Add(args[i]);
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break;
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}
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}
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Packer spritePacker = new Packer();
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foreach(string filename in values)
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{
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if (File.Exists(filename))
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spritePacker.Add(new Sprite(filename));
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else
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Console.Error.WriteLine("Warning: Ignoring non-existent file '{0}'.", filename);
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}
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spritePacker.Arrange();
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Console.WriteLine(spritePacker.ToString());
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}
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}
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}
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127
SpritePacker/Sprite.cs
Normal file
127
SpritePacker/Sprite.cs
Normal file
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@ -0,0 +1,127 @@
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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namespace SpritePacker
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{
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public class Sprite
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{
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private Rectangle area;
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private string filename;
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public Rectangle Area
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{
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get { return area; }
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set { area = value; }
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}
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public string Filename
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{
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get { return filename; }
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set { filename = value; }
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}
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public Sprite(string inFilename)
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{
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Filename = inFilename;
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// TODO: Fill in the area automagically based on the given image
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throw new NotImplementedException("Todo: Fill in the area automagically based on the given image");
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}
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public static int GetLargestSize(List<Sprite> sprList)
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{
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int largestSoFar = 0;
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foreach(Sprite spr in sprList)
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{
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if (spr.Area.Width > largestSoFar)
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largestSoFar = spr.Area.Width;
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}
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}
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public List<Sprite> GetIntersectors(List<Sprite> spriteList)
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{
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List<Sprite> result = new List<Sprite>();
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foreach(Sprite spr in spriteList)
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{
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if (spr.IntersectsWith(this))
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result.Add(spr);
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}
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return result;
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}
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public List<Sprite> GetIntersectorsX(List<Sprite> spriteList)
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{
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List<Sprite> result = new List<Sprite>();
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foreach(Sprite spr in spriteList)
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{
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if (spr.IntersectsWithX(this))
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result.Add(spr);
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}
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return result;
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}
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public List<Sprite> GetIntersectorsY(List<Sprite> spriteList)
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{
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List<Sprite> result = new List<Sprite>();
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foreach(Sprite spr in spriteList)
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{
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if (spr.IntersectsWithY(this))
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result.Add(spr);
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}
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return result;
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}
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public bool IntersectsWith(List<Sprite> otherSprites)
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{
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foreach (Sprite spr in otherSprites)
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{
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if (IntersectsWith(spr))
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return true;
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}
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return false;
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}
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public bool IntersectsWith(Sprite otherSprite)
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{
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return otherSprite.Area.IntersectsWith(Area);
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}
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public bool IntersectsWithX(List<Sprite> otherSprites)
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{
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foreach (Sprite spr in otherSprites)
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{
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if (IntersectsWithX(spr))
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return true;
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}
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return false;
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}
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public bool IntersectsWithY(List<Sprite> otherSprites)
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{
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foreach (Sprite spr in otherSprites)
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{
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if (IntersectsWithY(spr))
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return true;
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}
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return false;
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}
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public bool IntersectsWithX(Sprite otherSprite)
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{
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if(Area.Right > otherSprite.Area.X &&
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Area.X < otherSprite.Area.Right)
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return true;
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else
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return false;
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}
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public bool IntersectsWithY(Sprite otherSprite)
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{
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if(Area.Bottom > otherSprite.Area.Y &&
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Area.Y < otherSprite.Area.Bottom)
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return true;
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else
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return false;
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}
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public override string ToString()
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{
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return string.Format("Sprite {0} at {1}", Filename, Area);
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}
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}
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}
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@ -37,6 +37,7 @@
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="Packer.cs" />
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<Compile Include="Sprite.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
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</Project>
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