Fontifier.py

import struct

TPLData = open(raw_input("Path to TPL? "), "rb").read()
BRFNTData = open(raw_input("Path to BRFNT? "), "rb").read()
FormatType = int(raw_input("Image Format Type? "))
OutData = open(raw_input("Output File Name? "), "wb")

BRFNTHeader = BRFNTData[0x00:0x60]
CWDHData = BRFNTData[BRFNTData.find("CWDH"):len(BRFNTData)]
RAWTPLData = TPLData[0x80:len(TPLData)]
CMAPosChange = BRFNTData.find("CMAP") - BRFNTData.find("CWDH")

OutData.write(BRFNTHeader)
OutData.write(RAWTPLData)
CWDHPos = OutData.tell()
OutData.write(CWDHData)

BRFNTSize = OutData.tell()
OutData.seek(0x08, 0)

OutData.write(struct.pack('>L', BRFNTSize)) # Current BRFNT Size
OutData.seek(0x24, 0)

OutData.write(struct.pack('>L', CWDHPos + 8)) # CWDH Position
OutData.write(struct.pack('>L', CWDHPos + CMAPosChange + 8)) #CMAP Position

OutData.seek(0x3C, 0)
OutData.write(struct.pack('>L', len(RAWTPLData) / 2)) # Size of one image

OutData.seek(0x42, 0)
OutData.write(struct.pack('>H', FormatType))
OutData.close()

raw_input("Done! Press enter to exit.")