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9eaa5e61b7
* Add titles to TOTAL.DATA * update constants * fix res/TITLE.DHGR/FLAPPLE.BIRD file size
89 lines
2.8 KiB
Bash
Executable File
89 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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# flags
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# -a append to data file (default off = truncate)
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# -p pad sizes within data file to next block size (default off)
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# parameters
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# stdin - input containing list of effects (probably FX.CONF or DFX.CONF)
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# stdout - binary OKVS data structure
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# 1 - output filename for data file
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# 2 - input directory of files to merge into data file
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# 3 - (optional) output filename for log of key,offset,size
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pad=false
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append=false
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standardoffset=0
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standardsize=0
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while getopts ":ap" opt; do
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case $opt in
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a) append=true
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;;
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p) pad=true
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;;
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esac
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done
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shift $((OPTIND-1))
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if [ "$append" = false ]; then
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rm -f "$1"
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fi
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touch "$1"
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if [ "${#3}" -ne "0" ]; then
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rm -f "$3"
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touch "$3"
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fi
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# if there is a file called "STANDARD" in the input directory, add it now
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# because we will reuse it for any files that don't exist
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if [ -f "$2"/STANDARD ]; then
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standardoffset=$(wc -c < "$1")
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standardsize=$(wc -c < "$2/STANDARD")
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cat "$2"/STANDARD >> "$1"
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fi
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# make temp file with list of lines that contain keys
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records=$(mktemp)
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awk '!/^$|^#|^\[/' > "$records"
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# make temp assembly source file that represents the binary OKVS data structure
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source=$(mktemp)
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(echo "*=0" # dummy program counter for assembler
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echo "!le16 $(wc -l <"$records"), 0" # OKVS header
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while IFS="=" read -r key value; do
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echo "!byte ${#key}+7" # OKVS record length
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echo "!byte ${#key}" # OKVS key length
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echo "!text \"$key\"" # OKVS key
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if [ ! -e "$2/$key" ]; then # if file does not exist, use standard offset and size
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offset="$standardoffset"
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size="$standardsize"
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else # otherwise calculate offset and size from file and options
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offset=$(wc -c < "$1")
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size=$(wc -c < "$2/$key")
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if [ "$pad" = true ]; then
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# If offset+size does not cross a block boundary, use file's true size.
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# Otherwise, round up size to the next block boundary.
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# This padding does not get added to the file; it is just an
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# optimization to avoid a partial copy on the last block read.
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if [ $(($offset / 512)) -ne $((($offset + $size) / 512)) ]; then
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size=$(((($offset + $size + 511) & -512) - $offset))
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fi
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fi
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cat "$2/$key" >> "$1" # append this file to the end of the merged data file
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fi
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echo "!be24 $offset"
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echo "!le16 $size"
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[ "${#3}" -ne "0" ] && echo "$key,$offset,$size" >> "$3"
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done < "$records") > "$source"
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# assemble temp source file into binary OKVS data structure, then output that
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out=$(mktemp)
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acme -o "$out" "$source"
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cat "$out"
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# clean up
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rm "$out"
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rm "$source"
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rm "$records"
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