private static void flattenTree(MB2_TexturePacker.Node r, List <MB2_TexturePacker.Image> putHere)
{
if (r.img != null)
{
r.img.x = r.r.x;
r.img.y = r.r.y;
putHere.Add(r.img);
}
if (r.child[0] != null)
{
MB2_TexturePacker.flattenTree(r.child[0], putHere);
}
if (r.child[1] != null)
{
MB2_TexturePacker.flattenTree(r.child[1], putHere);
}
}
private Rect[] _GetRects(List <Vector2> imgWidthHeights, int maxDimension, int padding, int minImageSizeX, int minImageSizeY, int masterImageSizeX, int masterImageSizeY, out int outW, out int outH, int recursionDepth)
{
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
Debug.Log(string.Format("_GetRects numImages={0}, maxDimension={1}, padding={2}, minImageSizeX={3}, minImageSizeY={4}, masterImageSizeX={5}, masterImageSizeY={6}, recursionDepth={7}", new object[]
{
imgWidthHeights.Count,
maxDimension,
padding,
minImageSizeX,
minImageSizeY,
masterImageSizeX,
masterImageSizeY,
recursionDepth
}));
}
if (recursionDepth > 10)
{
Debug.LogError("Maximum recursion depth reached. Couldn't find packing for these textures.");
outW = 0;
outH = 0;
return(new Rect[0]);
}
float num = 0f;
int num2 = 0;
int num3 = 0;
MB2_TexturePacker.Image[] array = new MB2_TexturePacker.Image[imgWidthHeights.Count];
for (int i = 0; i < array.Length; i++)
{
MB2_TexturePacker.Image image = array[i] = new MB2_TexturePacker.Image(i, (int)imgWidthHeights[i].x, (int)imgWidthHeights[i].y, padding, minImageSizeX, minImageSizeY);
num += (float)(image.w * image.h);
num2 = Mathf.Max(num2, image.w);
num3 = Mathf.Max(num3, image.h);
}
if ((float)num3 / (float)num2 > 2f)
{
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
MB2_Log.LogDebug("Using height Comparer", new object[0]);
}
Array.Sort <MB2_TexturePacker.Image>(array, new MB2_TexturePacker.ImageHeightComparer());
}
else if ((double)((float)num3 / (float)num2) < 0.5)
{
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
MB2_Log.LogDebug("Using width Comparer", new object[0]);
}
Array.Sort <MB2_TexturePacker.Image>(array, new MB2_TexturePacker.ImageWidthComparer());
}
else
{
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
MB2_Log.LogDebug("Using area Comparer", new object[0]);
}
Array.Sort <MB2_TexturePacker.Image>(array, new MB2_TexturePacker.ImageAreaComparer());
}
int num4 = (int)Mathf.Sqrt(num);
int num6;
int num5;
if (this.doPowerOfTwoTextures)
{
num5 = (num6 = this.RoundToNearestPositivePowerOfTwo(num4));
if (num2 > num6)
{
num6 = this.CeilToNearestPowerOfTwo(num6);
}
if (num3 > num5)
{
num5 = this.CeilToNearestPowerOfTwo(num5);
}
}
else
{
num6 = num4;
num5 = num4;
if (num2 > num4)
{
num6 = num2;
num5 = Mathf.Max(Mathf.CeilToInt(num / (float)num2), num3);
}
if (num3 > num4)
{
num6 = Mathf.Max(Mathf.CeilToInt(num / (float)num3), num2);
num5 = num3;
}
}
if (num6 == 0)
{
num6 = 1;
}
if (num5 == 0)
{
num5 = 1;
}
int num7 = (int)((float)num6 * 0.15f);
int num8 = (int)((float)num5 * 0.15f);
if (num7 == 0)
{
num7 = 1;
}
if (num8 == 0)
{
num8 = 1;
}
int num9 = 2;
int num10 = num5;
while (num9 >= 1 && num10 < num4 * 1000)
{
bool flag = false;
num9 = 0;
int num11 = num6;
while (!flag && num11 < num4 * 1000)
{
MB2_TexturePacker.ProbeResult probeResult = new MB2_TexturePacker.ProbeResult();
if (this.LOG_LEVEL >= MB2_LogLevel.trace)
{
Debug.Log(string.Concat(new object[]
{
"Probing h=",
num10,
" w=",
num11
}));
}
if (this.Probe(array, num11, num10, num, maxDimension, probeResult))
{
flag = true;
if (this.bestRoot == null)
{
this.bestRoot = probeResult;
}
else if (probeResult.GetScore(this.doPowerOfTwoTextures) > this.bestRoot.GetScore(this.doPowerOfTwoTextures))
{
this.bestRoot = probeResult;
}
}
else
{
num9++;
num11 = this.StepWidthHeight(num11, num7, maxDimension);
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
MB2_Log.LogDebug(string.Concat(new object[]
{
"increasing Width h=",
num10,
" w=",
num11
}), new object[0]);
}
}
}
num10 = this.StepWidthHeight(num10, num8, maxDimension);
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
MB2_Log.LogDebug(string.Concat(new object[]
{
"increasing Height h=",
num10,
" w=",
num11
}), new object[0]);
}
}
outW = 0;
outH = 0;
if (this.doPowerOfTwoTextures)
{
outW = Mathf.Min(this.CeilToNearestPowerOfTwo(this.bestRoot.w), maxDimension);
outH = Mathf.Min(this.CeilToNearestPowerOfTwo(this.bestRoot.h), maxDimension);
if (outH < outW / 2)
{
outH = outW / 2;
}
if (outW < outH / 2)
{
outW = outH / 2;
}
}
else
{
outW = this.bestRoot.w;
outH = this.bestRoot.h;
}
if (this.bestRoot == null)
{
return(null);
}
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
MB2_Log.LogDebug(string.Concat(new object[]
{
"Best fit found: atlasW=",
outW,
" atlasH",
outH,
" w=",
this.bestRoot.w,
" h=",
this.bestRoot.h,
" efficiency=",
this.bestRoot.efficiency,
" squareness=",
this.bestRoot.squareness,
" fits in max dimension=",
this.bestRoot.fitsInMaxSize
}), new object[0]);
}
List <MB2_TexturePacker.Image> list = new List <MB2_TexturePacker.Image>();
MB2_TexturePacker.flattenTree(this.bestRoot.root, list);
list.Sort(new MB2_TexturePacker.ImgIDComparer());
if (list.Count != array.Length)
{
Debug.LogError("Result images not the same lentgh as source");
}
int minImageSizeX2 = minImageSizeX;
int minImageSizeY2 = minImageSizeY;
bool flag2 = false;
float num12 = (float)padding / (float)outW;
if (this.bestRoot.w > maxDimension)
{
num12 = (float)padding / (float)maxDimension;
float num13 = (float)maxDimension / (float)this.bestRoot.w;
if (this.LOG_LEVEL >= MB2_LogLevel.warn)
{
Debug.LogWarning("Packing exceeded atlas width shrinking to " + num13);
}
for (int j = 0; j < list.Count; j++)
{
MB2_TexturePacker.Image image2 = list[j];
if ((float)image2.w * num13 < (float)masterImageSizeX)
{
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
Debug.Log("Small images are being scaled to zero. Will need to redo packing with larger minTexSizeX.");
}
flag2 = true;
minImageSizeX2 = Mathf.CeilToInt((float)minImageSizeX / num13);
}
int num14 = (int)((float)(image2.x + image2.w) * num13);
image2.x = (int)(num13 * (float)image2.x);
image2.w = num14 - image2.x;
}
outW = maxDimension;
}
float num15 = (float)padding / (float)outH;
if (this.bestRoot.h > maxDimension)
{
num15 = (float)padding / (float)maxDimension;
float num16 = (float)maxDimension / (float)this.bestRoot.h;
if (this.LOG_LEVEL >= MB2_LogLevel.warn)
{
Debug.LogWarning("Packing exceeded atlas height shrinking to " + num16);
}
for (int k = 0; k < list.Count; k++)
{
MB2_TexturePacker.Image image3 = list[k];
if ((float)image3.h * num16 < (float)masterImageSizeY)
{
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
Debug.Log("Small images are being scaled to zero. Will need to redo packing with larger minTexSizeY.");
}
flag2 = true;
minImageSizeY2 = Mathf.CeilToInt((float)minImageSizeY / num16);
}
int num17 = (int)((float)(image3.y + image3.h) * num16);
image3.y = (int)(num16 * (float)image3.y);
image3.h = num17 - image3.y;
}
outH = maxDimension;
}
Rect[] array2;
if (!flag2)
{
array2 = new Rect[list.Count];
for (int l = 0; l < list.Count; l++)
{
MB2_TexturePacker.Image image4 = list[l];
Rect rect = array2[l] = new Rect((float)image4.x / (float)outW + num12, (float)image4.y / (float)outH + num15, (float)image4.w / (float)outW - num12 * 2f, (float)image4.h / (float)outH - num15 * 2f);
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
MB2_Log.LogDebug(string.Concat(new object[]
{
"Image: ",
l,
" imgID=",
image4.imgId,
" x=",
rect.x * (float)outW,
" y=",
rect.y * (float)outH,
" w=",
rect.width * (float)outW,
" h=",
rect.height * (float)outH,
" padding=",
padding
}), new object[0]);
}
}
}
else
{
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
Debug.Log("==================== REDOING PACKING ================");
}
this.bestRoot = null;
array2 = this._GetRects(imgWidthHeights, maxDimension, padding, minImageSizeX2, minImageSizeY2, masterImageSizeX, masterImageSizeY, out outW, out outH, recursionDepth + 1);
}
if (this.LOG_LEVEL >= MB2_LogLevel.debug)
{
MB2_Log.LogDebug("Done GetRects", new object[0]);
}
return(array2);
}