Nier Automata .ftb font map file

[goder2910]

I trying to analyze Nier Automata .ftb file (font map file) that contains Character ID, coordinate of characters from several png files.
But unfortunately i could not find the location of first characters block and its block size.
Anyone can help me how to identify these things ?

Here is my .ftb and png sample files.
https://drive.google.com/file/d/1HET7wf ... sp=sharing

Really happy with your helps.
And thank in advanced.

[sfaas]

check this out
https://github.com/nier00/atfont

[goder2910]

check this out
https://github.com/nier00/atfont

Thanks for your help
I'll check it.
Provided source code save me a lot of time on creating translate tool from scratch.