4cade/bin/buildsearch.sh

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#!/bin/bash
# parameters
# stdin - input containing list of game metadata, filename, display name (e.g. GAMES.CONF or some subset of it)
# stdout - binary OKVS data structure
# 1 - output filename for game count in assembler code format
# 2 - input filename of HGR titles, offsets, and sizes
# 3 - input filename of DHGR titles, offsets, and sizes
# make temp file with just the key/value pairs (strip blank lines, comments, eof marker)
records=$(mktemp)
awk '!/^$|^#|^\[/' > "$records"
# read logs of offsets & sizes for HGR and DHGR titles
# that were generated by an earlier script
hgrlog=$(< "$2")
dhgrlog=$(< "$3")
# generate source file with game count
(echo ";"
echo "; Game count"
echo ";"
echo "; This file is automatically generated"
echo ";"
echo "!word $(wc -l < "$records")") > "$1"
# make temp assembly source file that represents the binary OKVS data structure
source=$(mktemp)
(echo '*=$6000'
echo "!le16 $(wc -l <"$records")" # OKVS header
echo "!word KeyLookup"
count=0
while IFS="=" read -r key value; do
count=$((count+1))
if [ -z "$dhgrlog" ]; then
dhgr="0"
else
dhgr=$(echo "$key" | cut -c3) # 'has DHGR title screen' flag (0 or 1)
fi
cheat=$(echo "$key" | cut -c4) # 'cheat category' (0..5)
key=$(echo "$key" | cut -d"," -f2)
if [ "$dhgr" -eq "0" ]; then
offset=$hgrlog
size=$hgrlog
else
offset=$dhgrlog
size=$dhgrlog
fi
offset=$(echo "$offset" | awk -F, '/^'"$key"',/ { print $2 }')
size=$(echo "$size" | awk -F, '/^'"$key"',/ { print $3 }')
echo "!byte ${#key}+${#value}+10" # OKVS record length
echo "Key${count}"
echo "!byte ${#key}" # OKVS key length
echo "!text \"$key\"" # OKVS key (filename)
echo "!byte ${#value}" # OKVS value length
echo "!text \"$value\"" # OKVS value (display name)
echo "!byte 1"
echo "!byte $((dhgr*128))+$cheat"
echo "!be24 $offset"
echo "!le16 $size"
done < "$records"
echo "KeyLookup"
for i in $(seq $count); do
echo "!word Key$i"
done
) > "$source"
# assemble temp source file into binary OKVS data structure, then output that
out=$(mktemp)
acme -o "$out" "$source"
cat "$out"
# clean up
rm "$out"
rm "$source"
rm "$records"