mirror of https://github.com/a2-4am/4cade.git
59 lines
1.9 KiB
Bash
Executable File
59 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# flags
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# -d include game display name (default off = display name will be 0-length string)
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# parameters
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# stdin - input containing slideshow (e.g. some file in res/SS/)
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# stdout - binary OKVS data structure
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# 1 - list of games with metadata (e.g. build/GAMES.CONF)
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include_displayname=false
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while getopts ":d" opt; do
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case $opt in
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d) include_displayname=true
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;;
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esac
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done
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shift $((OPTIND-1))
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games=$(cat "$1")
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# make temp file with just the key/value pairs (strip blank lines, comments, eof marker)
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records=$(mktemp)
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tr -d "\r" | 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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[ -n "$value" ] && filename="$value" || filename="$key"
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line=$(echo "$games" | awk '/,'"$filename"'=/')
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needsjoystick=$(echo "$line" | cut -c1) # 'requires joystick' flag (0 or 1)
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needs128k=$(echo "$line" | cut -c2) # 'requires 128K' flag (0 or 1)
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if [ "$include_displayname" = false ]; then
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displayname=""
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else
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displayname=$(echo "$line" | tr -d "\r" | awk -F= '{ print $2 }')
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fi
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echo "!byte ${#key}+${#value}+${#displayname}+5" # 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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echo "!byte ${#value}" # OKVS value length
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echo "!text \"$value\"" # OKVS value
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echo "!byte ${#displayname}"
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echo "!text \"$displayname\""
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echo "!byte $((needsjoystick*128))+$((needs128k*64))"
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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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