389 lines
13 KiB
C#
389 lines
13 KiB
C#
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using UnityEngine;
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using System.Xml;
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using System;
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using System.Collections.Generic;
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using System.Text.RegularExpressions;
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namespace zbitmapfont
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{
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public struct Kerning
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{
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public int first;
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public int second;
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public int amount;
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}
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public class RawCharacterInfo
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{
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public int ID, X, Y, Width, Height, Xoffset, Yoffset, Xadvance, Page;
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public RawCharacterInfo(int id, int x, int y, int width, int height, int xoffset, int yoffset, int xadvance, int page)
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{
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ID = id;
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X = x;
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Y = y;
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Width = width;
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Height = height;
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Xoffset = xoffset;
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Yoffset = yoffset;
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Xadvance = xadvance;
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Page = page;
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}
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}
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public class FntParse
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{
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public int textureWidth;
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public int textureHeight;
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public string[] textureNames;
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public string fontName;
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public int fontSize;
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public int lineHeight;
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public int lineBaseHeight;
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public CharacterInfo[] charInfos { get; private set; }
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public RawCharacterInfo[] rawCharInfos { get; private set; }
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public Kerning[] kernings { get; private set; }
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public static FntParse GetFntParse(string text)
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{
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FntParse parse = null;
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if (text.StartsWith("info"))
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{
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parse = new FntParse();
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parse.DoTextParse(ref text);
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}
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else if (text.StartsWith("<"))
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{
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parse = new FntParse();
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parse.DoXMLPase(ref text);
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}
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return parse;
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}
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#region xml
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public void DoXMLPase(ref string content)
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{
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XmlDocument xml = new XmlDocument();
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xml.LoadXml(content);
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XmlNode info = xml.GetElementsByTagName("info")[0];
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XmlNode common = xml.GetElementsByTagName("common")[0];
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XmlNodeList pages = xml.GetElementsByTagName("pages")[0].ChildNodes;
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XmlNodeList chars = xml.GetElementsByTagName("chars")[0].ChildNodes;
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fontName = info.Attributes.GetNamedItem("face").InnerText;
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fontSize = ToInt(info, "size");
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lineHeight = ToInt(common, "lineHeight");
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lineBaseHeight = ToInt(common, "base");
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textureWidth = ToInt(common, "scaleW");
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textureHeight = ToInt(common, "scaleH");
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int pageNum = ToInt(common, "pages");
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textureNames = new string[pageNum];
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for (int i = 0; i < pageNum; i++)
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{
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XmlNode page = pages[i];
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int pageId = ToInt(page, "id");
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textureNames[pageId] = page.Attributes.GetNamedItem("file").InnerText;
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}
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charInfos = new CharacterInfo[chars.Count];
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rawCharInfos = new RawCharacterInfo[chars.Count];
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for (int i = 0; i < chars.Count; i++)
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{
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XmlNode charNode = chars[i];
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charInfos[i] = CreateCharInfo(
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ToInt(charNode, "id"),
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ToInt(charNode, "x"),
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ToInt(charNode, "y"),
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ToInt(charNode, "width"),
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ToInt(charNode, "height"),
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ToInt(charNode, "xoffset"),
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ToInt(charNode, "yoffset"),
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ToInt(charNode, "xadvance"),
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ToInt(charNode, "page"));
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rawCharInfos[i] = new RawCharacterInfo(
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ToInt(charNode, "id"),
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ToInt(charNode, "x"),
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ToInt(charNode, "y"),
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ToInt(charNode, "width"),
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ToInt(charNode, "height"),
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ToInt(charNode, "xoffset"),
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ToInt(charNode, "yoffset"),
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ToInt(charNode, "xadvance"),
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ToInt(charNode, "page")
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);
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}
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// kernings
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XmlNode kerningsNode = xml.GetElementsByTagName("kernings")[0];
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if (kerningsNode != null && kerningsNode.HasChildNodes)
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{
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XmlNodeList kerns = kerningsNode.ChildNodes;
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kernings = new Kerning[kerns.Count];
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for (int i = 0; i < kerns.Count; i++)
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{
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XmlNode kerningNode = kerns[i];
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kernings[i] = new Kerning();
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kernings[i].first = ToInt(kerningNode, "first");
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kernings[i].second = ToInt(kerningNode, "second");
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kernings[i].amount = ToInt(kerningNode, "amount");
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}
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}
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}
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private static int ToInt(XmlNode node, string name)
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{
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return int.Parse(node.Attributes.GetNamedItem(name).InnerText);
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}
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#endregion
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#region text
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private Regex pattern;
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public void DoTextParse(ref string content)
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{
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// letter=" " // \S+=".+?"
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// letter="x" // \S+=".+?"
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// letter=""" // \S+=".+?"
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// letter="" // \S+
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// char // \S+
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pattern = new Regex(@"\S+=\S+");
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string[] lines = content.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
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ReadTextInfo(ref lines[0]);
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ReadTextCommon(ref lines[1]);
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for (int j = 0; j < textureNames.Length; j++)
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{
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ReadTextPage(ref lines[j + 2]);
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}
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// don't use count of chars, count is incorrect if has space
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//ReadTextCharCount(ref lines[3]);
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List<CharacterInfo> list = new List<CharacterInfo>();
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List<RawCharacterInfo> rlist = new List<RawCharacterInfo>();
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int i = 2 + textureNames.Length;
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int l = lines.Length;
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for (; i < l; i++)
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{
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if (!ReadTextChar(i - 4, ref lines[i], ref list, ref rlist))
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break;
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}
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charInfos = list.ToArray();
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rawCharInfos = rlist.ToArray();
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// skip empty line
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for (; i < l; i++)
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{
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if (lines[i].Length > 0)
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break;
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}
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// kernings
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if (i < l)
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{
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int count = 0;
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if (ReadTextCount(ref lines[i++], out count))
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{
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int start = i;
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kernings = new Kerning[count];
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for (; i < l; i++)
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{
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if (!ReadTextKerning(i - start, ref lines[i], ref list))
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break;
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}
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};
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}
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}
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private void ReadTextInfo(ref string line)
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{
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string[] keys;
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string[] values;
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SplitParts(line, out keys, out values);
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for (int i = keys.Length - 1; i >= 0; i--)
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{
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switch (keys[i])
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{
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case "face": fontName = values[i]; break;
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case "size": fontSize = int.Parse(values[i]); break;
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}
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}
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}
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private void ReadTextCommon(ref string line)
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{
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string[] keys;
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string[] values;
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SplitParts(line, out keys, out values);
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for (int i = keys.Length - 1; i >= 0; i--)
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{
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switch (keys[i])
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{
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case "lineHeight": lineHeight = int.Parse(values[i]); break;
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case "base": lineBaseHeight = int.Parse(values[i]); break;
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case "scaleW": textureWidth = int.Parse(values[i]); break;
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case "scaleH": textureHeight = int.Parse(values[i]); break;
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case "pages": textureNames = new string[int.Parse(values[i])]; break;
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}
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}
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}
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private void ReadTextPage(ref string line)
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{
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string[] keys;
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string[] values;
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SplitParts(line, out keys, out values);
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string textureName = null;
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int pageId = -1;
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for (int i = keys.Length - 1; i >= 0; i--)
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{
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switch (keys[i])
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{
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case "file": textureName = values[i]; break;
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case "id": pageId = int.Parse(values[i]); break;
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}
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}
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textureNames[pageId] = textureName;
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}
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private bool ReadTextCount(ref string line, out int count)
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{
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string[] keys;
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string[] values;
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SplitParts(line, out keys, out values);
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count = 0;
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for (int i = keys.Length - 1; i >= 0; i--)
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{
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switch (keys[i])
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{
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case "count":
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count = int.Parse(values[i]);
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return true;
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}
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}
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return false;
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}
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private bool ReadTextChar(int idx, ref string line, ref List<CharacterInfo> list, ref List<RawCharacterInfo> rlist)
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{
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if (!line.StartsWith("char")) return false;
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string[] keys;
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string[] values;
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SplitParts(line, out keys, out values);
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int id = 0, x = 0, y = 0, w = 0, h = 0, xo = 0, yo = 0, xadvance = 0;
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for (int i = keys.Length - 1; i >= 0; i--)
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{
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switch (keys[i])
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{
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case "id": id = int.Parse(values[i]); break;
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case "x": x = int.Parse(values[i]); break;
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case "y": y = int.Parse(values[i]); break;
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case "width": w = int.Parse(values[i]); break;
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case "height": h = int.Parse(values[i]); break;
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case "xoffset": xo = int.Parse(values[i]); break;
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case "yoffset": yo = int.Parse(values[i]); break;
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case "xadvance": xadvance = int.Parse(values[i]); break;
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}
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}
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list.Add(CreateCharInfo(id, x, y, w, h, xo, yo, xadvance));
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rlist.Add(new RawCharacterInfo(id, x, y, w, h, xo, yo, xadvance, 0));
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return true;
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}
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private bool ReadTextKerning(int idx, ref string line, ref List<CharacterInfo> list)
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{
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if (!line.StartsWith("kerning")) return false;
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string[] keys;
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string[] values;
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SplitParts(line, out keys, out values);
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Kerning kerning = new Kerning();
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for (int i = keys.Length - 1; i >= 0; i--)
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{
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switch (keys[i])
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{
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case "first": kerning.first = int.Parse(values[i]); break;
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case "second": kerning.second = int.Parse(values[i]); break;
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case "amount": kerning.amount = int.Parse(values[i]); break;
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}
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}
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kernings[idx] = kerning;
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return true;
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}
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private bool SplitParts(string line, out string[] keys, out string[] values)
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{
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MatchCollection parts = pattern.Matches(line);
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int count = parts.Count;
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keys = new string[count];
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values = new string[count];
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for (int i = 0; i < count; i++)
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{
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string part = parts[i].Value;
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int pos = part.IndexOf('=');
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keys[i] = part.Substring(0, pos);
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values[i] = part.Substring(pos + 1).Trim('"');
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}
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return true;
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}
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#endregion
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private CharacterInfo CreateCharInfo(int id, int x, int y, int w, int h, int xo, int yo, int xadvance, int page = 0)
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{
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Rect uv = new Rect();
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uv.x = (float)x / textureWidth + page;
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uv.y = (float)y / textureHeight;
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uv.width = (float)w / textureWidth;
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uv.height = (float)h / textureHeight;
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uv.y = 1f - uv.y - uv.height;
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Rect vert = new Rect();
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vert.x = xo;
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#if UNITY_5_0 || UNITY_5_1 || UNITY_5_2
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// unity 5.0 can not support baseline for
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vert.y = yo;
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#else
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vert.y = yo - lineBaseHeight;
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#endif
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vert.width = w;
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vert.height = h;
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vert.y = -vert.y;
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vert.height = -vert.height;
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CharacterInfo charInfo = new CharacterInfo();
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charInfo.index = id;
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#if UNITY_5_3_OR_NEWER || UNITY_5_3 || UNITY_5_2
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charInfo.uvBottomLeft = new Vector2(uv.xMin, uv.yMin);
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|
charInfo.uvBottomRight = new Vector2(uv.xMax, uv.yMin);
|
|||
|
|
charInfo.uvTopLeft = new Vector2(uv.xMin, uv.yMax);
|
|||
|
|
charInfo.uvTopRight = new Vector2(uv.xMax, uv.yMax);
|
|||
|
|
|
|||
|
|
charInfo.minX = (int)vert.xMin;
|
|||
|
|
charInfo.maxX = (int)vert.xMax;
|
|||
|
|
charInfo.minY = (int)vert.yMax;
|
|||
|
|
charInfo.maxY = (int)vert.yMin;
|
|||
|
|
|
|||
|
|
charInfo.bearing = (int)vert.x;
|
|||
|
|
charInfo.advance = xadvance;
|
|||
|
|
#else
|
|||
|
|
#pragma warning disable 618
|
|||
|
|
charInfo.uv = uv;
|
|||
|
|
charInfo.vert = vert;
|
|||
|
|
charInfo.width = xadvance;
|
|||
|
|
#pragma warning restore 618
|
|||
|
|
#endif
|
|||
|
|
return charInfo;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|