public class BitmapFontLoader implements AssetLoader {
private BitmapFont load(AssetManager assetManager, String folder, InputStream in) throws IOException{
MaterialDef spriteMat =
(MaterialDef) assetManager.loadAsset(new AssetKey("Common/MatDefs/Misc/Unshaded.j3md"));
BitmapCharacterSet charSet = new BitmapCharacterSet();
Material[] matPages = null;
BitmapFont font = new BitmapFont();
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
String regex = "[\\s=]+";
font.setCharSet(charSet);
String line;
while ((line = reader.readLine())!=null){
String[] tokens = line.split(regex);
if (tokens[0].equals("info")){
// Get rendered size
for (int i = 1; i < tokens.length; i++){
if (tokens[i].equals("size")){
charSet.setRenderedSize(Integer.parseInt(tokens[i + 1]));
}
}
}else if (tokens[0].equals("common")){
// Fill out BitmapCharacterSet fields
for (int i = 1; i < tokens.length; i++){
String token = tokens[i];
if (token.equals("lineHeight")){
charSet.setLineHeight(Integer.parseInt(tokens[i + 1]));
}else if (token.equals("base")){
charSet.setBase(Integer.parseInt(tokens[i + 1]));
}else if (token.equals("scaleW")){
charSet.setWidth(Integer.parseInt(tokens[i + 1]));
}else if (token.equals("scaleH")){
charSet.setHeight(Integer.parseInt(tokens[i + 1]));
}else if (token.equals("pages")){
// number of texture pages
matPages = new Material[Integer.parseInt(tokens[i + 1])];
font.setPages(matPages);
}
}
}else if (tokens[0].equals("page")){
int index = -1;
Texture tex = null;
for (int i = 1; i < tokens.length; i++){
String token = tokens[i];
if (token.equals("id")){
index = Integer.parseInt(tokens[i + 1]);
}else if (token.equals("file")){
String file = tokens[i + 1];
if (file.startsWith("\"")){
file = file.substring(1, file.length()-1);
}
TextureKey key = new TextureKey(folder + file, true);
key.setGenerateMips(false);
tex = assetManager.loadTexture(key);
tex.setMagFilter(Texture.MagFilter.Bilinear);
tex.setMinFilter(Texture.MinFilter.BilinearNoMipMaps);
}
}
// set page
if (index >= 0 && tex != null){
Material mat = new Material(spriteMat);
mat.setTexture("ColorMap", tex);
mat.setBoolean("VertexColor", true);
mat.getAdditionalRenderState().setBlendMode(BlendMode.Alpha);
matPages[index] = mat;
}
}else if (tokens[0].equals("char")){
// New BitmapCharacter
BitmapCharacter ch = null;
for (int i = 1; i < tokens.length; i++){
String token = tokens[i];
if (token.equals("id")){
int index = Integer.parseInt(tokens[i + 1]);
ch = new BitmapCharacter();
charSet.addCharacter(index, ch);
}else if (token.equals("x")){
ch.setX(Integer.parseInt(tokens[i + 1]));
}else if (token.equals("y")){
ch.setY(Integer.parseInt(tokens[i + 1]));
}else if (token.equals("width")){
ch.setWidth(Integer.parseInt(tokens[i + 1]));
}else if (token.equals("height")){
ch.setHeight(Integer.parseInt(tokens[i + 1]));
}else if (token.equals("xoffset")){
ch.setXOffset(Integer.parseInt(tokens[i + 1]));
}else if (token.equals("yoffset")){
ch.setYOffset(Integer.parseInt(tokens[i + 1]));
}else if (token.equals("xadvance")){
ch.setXAdvance(Integer.parseInt(tokens[i + 1]));
} else if (token.equals("page")) {
ch.setPage(Integer.parseInt(tokens[i + 1]));
}
}
}else if (tokens[0].equals("kerning")){
// Build kerning list
int index = 0;
int second = 0;
int amount = 0;
for (int i = 1; i < tokens.length; i++){
if (tokens[i].equals("first")){
index = Integer.parseInt(tokens[i + 1]);
}else if (tokens[i].equals("second")){
second = Integer.parseInt(tokens[i + 1]);
}else if (tokens[i].equals("amount")){
amount = Integer.parseInt(tokens[i + 1]);
}
}
BitmapCharacter ch = charSet.getCharacter(index);
ch.addKerning(second, amount);
}
}
return font;
}