//1. R靠紧容器矩形的左上角排放
//2. R靠紧容器矩形的左下角排放
//3. A点放置在R1的左上角
//4. A点放置在R1的右下角
//5. R的左上角对齐R1的右上角排放
private static void _ComputerRectPngPart(PngPartInfo info, List <PngPartInfo> infos, int num)
{
if (infos.Count == 0)
{
info.bound.center = new Vector3(info.bound.extents.x, info.bound.extents.y, 0);
return;
}
List <PngPartInfo> newInfos = new List <PngPartInfo>(infos);
newInfos.Add(info);
List <Bounds> bounds = new List <Bounds>();
System.Action <PngPartInfo> CallBack = (f) =>
{
Vector3 rect = info.bound.center - info.bound.extents;
if (rect.x >= 0 && rect.y >= 0)
{
for (int i = 0; i < infos.Count; i++)
{
if (infos[i].bound.Intersects(info.bound))
{
return;
}
}
bounds.Add(info.bound);
}
};
for (int i = 0; i < infos.Count; i++)
{
var temp = infos[i];
//1. R靠紧容器矩形的左上角排放
info.bound.center = temp.bound.center + new Vector3(-temp.bound.extents.x + info.bound.extents.x, info.bound.extents.y + temp.bound.extents.y + MaxChink, 0);
CallBack(info);
//2. R靠紧容器矩形的左下角排放
info.bound.center = temp.bound.center + new Vector3(-temp.bound.extents.x + info.bound.extents.x, -info.bound.extents.y - temp.bound.extents.y - MaxChink, 0);
CallBack(info);
//3. A点放置在R1的左上角
info.bound.center = temp.bound.center + new Vector3(temp.bound.extents.x + info.bound.extents.x + MaxChink, info.bound.extents.y + temp.bound.extents.y + MaxChink, 0);
CallBack(info);
//4. A点放置在R1的右下角
info.bound.center = temp.bound.center + new Vector3(temp.bound.extents.x + info.bound.extents.x + MaxChink, info.bound.extents.y - temp.bound.extents.y, 0);
CallBack(info);
//5. R的左上角对齐R1的右上角排放
info.bound.center = temp.bound.center + new Vector3(temp.bound.extents.x + info.bound.extents.x + MaxChink, -info.bound.extents.y + temp.bound.extents.y, 0);
CallBack(info);
}
info.bound = bounds[num % bounds.Count];
}
private static void CreateFitImag(string sourceImg, string fileName)
{
string filepath = Application.dataPath + "/" + sourceImg + "/";
string texturePath = filepath + fileName + "_texture.png";
string materialPath = filepath.Replace(Application.dataPath, "Assets") + fileName + "_mat.mat";
string fontPath = filepath.Replace(Application.dataPath, "Assets") + fileName + "_font.fontsettings";
string[] pngs = FEPath.GetFiles(Application.dataPath + "/" + sourceImg, "*.png");
float maxX = 0;
float maxY = 0;
List <PngPartInfo> ppInfos = new List <PngPartInfo>();
foreach (string path in pngs)
{
string subPngPath = path.Replace(Application.dataPath, "Assets");
if (subPngPath.IndexOf("texture") == -1)
{
SetTextureImporter(subPngPath);
PngPartInfo info = new PngPartInfo();
Texture2D tex2D = AssetDatabase.LoadAssetAtPath(subPngPath, typeof(Texture2D)) as Texture2D;
info.text2D = tex2D;
info.index = Uncode(tex2D.name);
info.bound = new Bounds();
info.bound.extents = new Vector3(tex2D.width / 2 + 2, tex2D.height / 2 + 2, 0);
maxX += tex2D.width;
maxY += tex2D.height;
ppInfos.Add(info);
}
}
float maxFitValue = maxY + maxX;
var mGeneOnlyData = NeuralAlgorithm.CreateNormalGene(50, ppInfos.Count, 20, (t) =>
{
List <PngPartInfo> tempInfo = new List <PngPartInfo>();
for (int i = 0; i < t._Code.Count; i++)
{
_ComputerRectPngPart(ppInfos[i], tempInfo, t._Code[i]);
tempInfo.Add(ppInfos[i]);
}
Vector2 tempSize = GetFitValue(tempInfo);
return(1 - (Mathf.Max(tempSize.x, tempSize.y)) / maxFitValue);
});
//100次选出最优的图集方式
mGeneOnlyData.EvolveGenes(20);
var gen = mGeneOnlyData.GetBestFit();
List <PngPartInfo> desInfo = new List <PngPartInfo>();
for (int i = 0; i < gen._Code.Count; i++)
{
_ComputerRectPngPart(ppInfos[i], desInfo, gen._Code[i]);
desInfo.Add(ppInfos[i]);
}
Vector2 mapSize = GetFitValue(desInfo);
int mapX = (int)(mapSize.x) + 1;
int mapY = (int)(mapSize.y) + 1;
Texture2D fullTexture = new Texture2D(mapX, mapY, TextureFormat.RGBA32, false);
Color[] fullTcolors = fullTexture.GetPixels();
for (int i = 0; i < fullTcolors.Length; i++)
{
fullTcolors[i].a = 0;
fullTcolors[i].r = 0;
fullTcolors[i].g = 0;
fullTcolors[i].b = 0;
}
fullTexture.SetPixels(fullTcolors);
//合并图集
for (int i = 0; i < desInfo.Count; i++)
{
var info = desInfo[i];
Color[] colors = info.text2D.GetPixels();
fullTexture.SetPixels((int)(info.bound.center.x - info.bound.extents.x), (int)(info.bound.center.y - info.bound.extents.y), info.text2D.width, info.text2D.height, colors);
}
byte[] full = fullTexture.EncodeToPNG();
File.WriteAllBytes(texturePath, full);
AssetDatabase.Refresh();
texturePath = texturePath.Replace(Application.dataPath, "Assets");
SetTextureImporter(texturePath);
Texture texture = AssetDatabase.LoadAssetAtPath(texturePath, typeof(Texture)) as Texture;
//生成字体
Material fontMaterial = AssetDatabase.LoadAssetAtPath(materialPath, typeof(Material)) as Material;
if (fontMaterial == null)
{
fontMaterial = new Material(Shader.Find("UI/Default"));
fontMaterial.mainTexture = texture;
AssetDatabase.CreateAsset(fontMaterial, materialPath);
}
else
{
fontMaterial.mainTexture = texture;
}
Font assetFont = AssetDatabase.LoadAssetAtPath(fontPath, typeof(Font)) as Font;
string ApplicationDataPath = Application.dataPath.Replace("Assets", "") + fontPath;
if (assetFont == null)
{
assetFont = new Font();
AssetDatabase.CreateAsset(assetFont, fontPath);
}
assetFont.material = fontMaterial;
CharacterInfo[] characters = new CharacterInfo[desInfo.Count];
for (int i = 0; i < desInfo.Count; i++)
{
PngPartInfo ppInfo = desInfo[i];
CharacterInfo info = new CharacterInfo();
info.index = ppInfo.index;
info.uvBottomLeft = new Vector2((ppInfo.bound.center.x - ppInfo.bound.extents.x) / mapX, (ppInfo.bound.center.y - ppInfo.bound.extents.y) / mapY);
info.uvTopRight = new Vector2((ppInfo.bound.center.x + ppInfo.bound.extents.x) / mapX, (ppInfo.bound.center.y + ppInfo.bound.extents.y) / mapY);
info.minX = 0;
info.minY = -(int)ppInfo.text2D.height;
info.maxX = (int)ppInfo.text2D.width;
info.maxY = 0;
info.advance = (int)ppInfo.text2D.width;
characters[i] = info;
}
assetFont.characterInfo = characters;
EditorUtility.SetDirty(assetFont);
AssetDatabase.SaveAssets();
}