rm ALL.TGA
convert -append *.TGA  ALL.TGA
convert ALL.TGA -depth 8 -colors 255 ALL2.TGA

 
 
# Take a directory of .TGAs, create a single 8BPP palette, and then apply that palette to all of the .TGA files

# concatenate all of the .TGA files into a single one
rm _ALL_TEMP.TGA
convert -append *.TGA  _ALL_TEMP.TGA

# extract the palette
wine ~/.wine/drive_c/Program\ Files\ \(x86\)/IrfanView/i_view32.exe _ALL_TEMP.TGA /bpp=8 /export_pal="PALETTE.PAL" /killmesoftly

# Apply the palette to each TGA in the dir
for file in *; do

    if [[ ${file##*.} == "TGA" ]]; then
        if [[ -f "$file" ]]; then
            wine ~/.wine/drive_c/Program\ Files\ \(x86\)/IrfanView/i_view32.exe $file /import_pal=PALETTE.PAL /convert="$file" /killmesoftly
        fi
    fi
done

 
 
"""Make Sprites

Takes a directory of .TGAs, creates a single 8BPP palette, and then applies that
palette to all of the .TGA files.

Edits the palette so that the transparency color is at index 0.
"""
import os

TEMP_TGA_NAME = "_ALL_TEMP.TGA"
TGA_EXT = ".TGA"
IRFAN_PATH = r"wine ~/.wine/drive_c/Program\ Files\ \(x86\)/IrfanView/i_view32.exe"
PALETTE_NAME = "PALETTE.PAL"

TRANSPARENCY_COLOR = "97 17 163"

# update the palette to have the transparency color first
def updatePaletteTransparency(filename, transparency_str):

    inFile = open(filename, "r")
    inBuf = inFile.readlines()
    inFile.close()

    foundTransparency = False

    counter = 0

    outFile = open(filename, "w")

    for l in inBuf:

        # add the transparency as the first color
        # the first three lines are headers
        if counter == 3:
            outFile.write(TRANSPARENCY_COLOR + "\r\n")

        # skip over the first time
        if l.startswith(TRANSPARENCY_COLOR) and foundTransparency == False:
            foundTransparency = True
            continue

        outFile.write(l)
        counter += 1

    outFile.close()

    if foundTransparency == False:
        raise Exception("Failed to find transparency")


def main():
    
    # delete existing temp TGA
    try:
        os.remove(TEMP_TGA_NAME)
    except FileNotFoundError:
        pass
    
    # concatenate all of the .TGA files into a single one
    os.system("convert -append *.TGA " + TEMP_TGA_NAME)

    # extract the palette
    os.system(IRFAN_PATH + " " + TEMP_TGA_NAME + " /bpp=8 /export_pal=\"" + PALETTE_NAME + "\" /killmesoftly")

    # set the transparency color to index 0
    updatePaletteTransparency(PALETTE_NAME, TRANSPARENCY_COLOR)

    # set the palette on all TGAs
    files = os.listdir(".")
    for file in files:
        
        if file.endswith(".TGA") != True:
            continue

        os.system(IRFAN_PATH + " " + file + "/import_pal=" + PALETTE_NAME + " /convert=\"" + file + "\" /killmesoftly")

    return

if __name__ == '__main__':   
    main()