#if UNITY_EDITOR
using UnityEngine;
using System.Collections;
using System;
using UnityEditor;
using System.IO;
using System.Xml;
public static class BitmapFontImporter
{
[MenuItem("Assets/Generate Bitmap Font")]
public static void GenerateFont ()
{
TextAsset selected = (TextAsset)Selection.activeObject;
string rootPath = Path.GetDirectoryName (AssetDatabase.GetAssetPath (selected));
Texture2D texture = AssetDatabase.LoadAssetAtPath (rootPath + "/" + selected.name + ".png", typeof(Texture2D)) as Texture2D;
if (!texture)
throw new UnityException ("Texture2d asset doesn't exist for " + selected.name);
string exportPath = rootPath + "/" + Path.GetFileNameWithoutExtension (selected.name);
Work (selected, exportPath, texture);
}
private static void Work (TextAsset import, string exportPath, Texture2D texture)
{
if (!import)
throw new UnityException (import.name + "is not a valid font-xml file");
XmlDocument xml = new XmlDocument ();
xml.LoadXml (import.text);
XmlNode info = xml.GetElementsByTagName ("info") [0];
XmlNode common = xml.GetElementsByTagName("common")[0];
XmlNodeList chars = xml.GetElementsByTagName ("chars") [0].ChildNodes;
float texW = texture.width;
float texH = texture.height;
CharacterInfo[] charInfos = new CharacterInfo[chars.Count];
Rect r;
for (int i=0; i<chars.Count; i++) {
XmlNode charNode = chars [i];
if (charNode.Attributes != null) {
CharacterInfo charInfo = new CharacterInfo ();
charInfo.index = (int)ToFloat (charNode, "id");
charInfo.advance = (int)ToFloat (charNode, "xadvance");
r = new Rect ();
r.x = ((float)ToFloat (charNode, "x")) / texW;
r.y = ((float)ToFloat (charNode, "y")) / texH;
r.width = ((float)ToFloat (charNode, "width")) / texW;
r.height = ((float)ToFloat (charNode, "height")) / texH;
r.y = 1f - r.y - r.height;
charInfo.uvBottomLeft = new Vector2(r.xMin, r.yMin);
charInfo.uvBottomRight = new Vector2(r.xMax, r.yMin);
charInfo.uvTopLeft = new Vector2(r.xMin, r.yMax);
charInfo.uvTopRight = new Vector2(r.xMax, r.yMax);
r = new Rect ();
r.x = (float)ToFloat (charNode, "xoffset");
r.y = (float)ToFloat (charNode, "yoffset");
r.width = (float)ToFloat (charNode, "width");
r.height = (float)ToFloat (charNode, "height");
r.y = -r.y;
r.height = -r.height;
charInfo.minX = (int)r.xMin;
charInfo.maxX = (int)r.xMax;
charInfo.minY = (int)r.yMax;
charInfo.maxY = (int)r.yMin;
charInfos [i] = charInfo;
}
}
// Create material
Shader shader = Shader.Find ("UI/Default");
Material material = new Material (shader);
material.mainTexture = texture;
AssetDatabase.CreateAsset (material, exportPath + ".mat");
// Create font
Font font = new Font ();
font.material = material;
font.name = info.Attributes.GetNamedItem ("face").InnerText;
font.characterInfo = charInfos;
SerializedObject mFont = new SerializedObject(font);
mFont.FindProperty("m_FontSize").floatValue = float.Parse(common.Attributes.GetNamedItem("base").InnerText);
mFont.FindProperty("m_LineSpacing").floatValue = float.Parse(common.Attributes.GetNamedItem("lineHeight").InnerText);
/* Don't work yet
int kerningsCount = int.Parse(kernings.Attributes.GetNamedItem("count").InnerText);
if (kerningsCount > 0)
{
SerializedProperty kerningsProp = mFont.FindProperty("m_KerningValues");
for (int i = 0; i < kerningsCount; i++)
{
kerningsProp.InsertArrayElementAtIndex(i);
XmlNode kerning = kernings.ChildNodes[i];
SerializedProperty kern = kerningsProp.GetArrayElementAtIndex(i);
kern.FindPropertyRelative("second").floatValue = float.Parse(kerning.Attributes.GetNamedItem("amount").InnerText); ;
}
}*/
mFont.ApplyModifiedProperties();
AssetDatabase.CreateAsset (font, exportPath + ".fontsettings");
}
private static float ToFloat (XmlNode node, string name)
{
return float.Parse (node.Attributes.GetNamedItem (name).InnerText);
}
}
#endif
