mirror of
https://github.com/pret/pokepinballrs.git
synced 2026-03-21 17:24:13 -05:00
124 lines
4.5 KiB
Bash
Executable File
124 lines
4.5 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# generate_graphics_rules.sh
|
|
#
|
|
# Reads JSON gfx-config files and emits explicit Make rules for files that
|
|
# need special flags or segment handling. Files that need no special
|
|
# treatment are left for the generic %.4bpp: %.png pattern rule in the
|
|
# Makefile.
|
|
#
|
|
# Usage: bash generate_graphics_rules.sh graphics/**/gfx.json ...
|
|
# Output: Make rules on stdout
|
|
|
|
set -euo pipefail
|
|
|
|
if ! command -v jq >/dev/null 2>&1; then
|
|
echo "error: 'jq' is required to build graphics rules but was not found. Install it with: sudo apt install jq" >&2
|
|
exit 1
|
|
fi
|
|
|
|
emit_rules() {
|
|
local json="$1"
|
|
local dir
|
|
dir=$(dirname "$json")
|
|
|
|
# Single jq call per JSON: emit one TSV line per file entry with all
|
|
# resolved values. Fields:
|
|
# gfx_filename mwidth mheight oam align segments_json
|
|
# segments_json is "null" when there are no segments, otherwise the
|
|
# raw JSON array.
|
|
jq -r '
|
|
.defaults as $d |
|
|
.files[]? |
|
|
[
|
|
.gfx_filename,
|
|
((.mwidth // $d.mwidth // 0) | tostring),
|
|
((.mheight // $d.mheight // 0) | tostring),
|
|
((.oam // $d.oam // false) | tostring),
|
|
((.align // 0) | tostring),
|
|
(if .segments then (.segments | tojson) else "null" end)
|
|
] | @tsv
|
|
' "$json" | while IFS=$'\t' read -r gfx_filename mwidth mheight oam align segments; do
|
|
local stem="graphics/${dir#graphics/}/${gfx_filename}"
|
|
local target="${stem}.4bpp"
|
|
|
|
if [ "$segments" != "null" ]; then
|
|
# --- Segmented file ---
|
|
# Collect segment PNGs as prerequisites
|
|
local seg_pngs
|
|
seg_pngs=$(printf '%s' "$segments" | jq -r '.[].segfile' | while read -r sf; do
|
|
printf '%s/%s.png ' "$dir" "$sf"
|
|
done)
|
|
|
|
printf '%s: %s%s\n' "$target" "$seg_pngs" "$json"
|
|
|
|
# Emit a $(GFX) call for each segment
|
|
local first=1
|
|
printf '%s' "$segments" | jq -r '.[] | [.segfile, (.mwidth // 0 | tostring), (.mheight // 0 | tostring), (.oam // false | tostring)] | @tsv' | while IFS=$'\t' read -r segfile seg_mw seg_mh seg_oam; do
|
|
local seg_png="${dir}/${segfile}.png"
|
|
local seg_4bpp="${stem}_${segfile}.4bpp"
|
|
local flags=""
|
|
if [ "$seg_mw" != "0" ] && [ -n "$seg_mw" ]; then
|
|
flags="$flags -mwidth $seg_mw"
|
|
fi
|
|
if [ "$seg_mh" != "0" ] && [ -n "$seg_mh" ]; then
|
|
flags="$flags -mheight $seg_mh"
|
|
fi
|
|
if [ "$seg_oam" = "true" ]; then
|
|
flags="$flags -oam"
|
|
fi
|
|
printf '\t$(GFX) %s %s%s; \\\n' "$seg_png" "$seg_4bpp" "$flags"
|
|
done
|
|
|
|
# cat all segment .4bpp files together
|
|
local seg_4bpps
|
|
seg_4bpps=$(printf '%s' "$segments" | jq -r '.[].segfile' | while read -r sf; do
|
|
printf '%s_%s.4bpp ' "$stem" "$sf"
|
|
done)
|
|
printf '\tcat %s> $@' "$seg_4bpps"
|
|
|
|
# Alignment padding
|
|
if [ "$align" != "0" ] && [ -n "$align" ]; then
|
|
printf '; \\\n'
|
|
printf '\tdd if=/dev/zero bs=32 count=%s >> $@ 2>/dev/null' "$align"
|
|
fi
|
|
printf '\n\n'
|
|
else
|
|
# --- Non-segmented file ---
|
|
local flags=""
|
|
if [ "$mwidth" != "0" ] && [ -n "$mwidth" ]; then
|
|
flags="$flags -mwidth $mwidth"
|
|
fi
|
|
if [ "$mheight" != "0" ] && [ -n "$mheight" ]; then
|
|
flags="$flags -mheight $mheight"
|
|
fi
|
|
if [ "$oam" = "true" ]; then
|
|
flags="$flags -oam"
|
|
fi
|
|
|
|
# Skip if no special flags and no alignment — the generic
|
|
# pattern rule in the Makefile handles this case.
|
|
if [ -z "$flags" ] && { [ "$align" = "0" ] || [ -z "$align" ]; }; then
|
|
continue
|
|
fi
|
|
|
|
printf '%s: %s.png %s\n' "$target" "$stem" "$json"
|
|
printf '\t$(GFX) $< $@%s\n' "$flags"
|
|
|
|
if [ "$align" != "0" ] && [ -n "$align" ]; then
|
|
printf '\tdd if=/dev/zero bs=32 count=%s >> $@ 2>/dev/null\n' "$align"
|
|
fi
|
|
printf '\n'
|
|
fi
|
|
done
|
|
}
|
|
|
|
# --- Main ---
|
|
printf '# Auto-generated by %s — do not edit\n\n' "$(basename "$0")"
|
|
|
|
for json in "$@"; do
|
|
# Only process gfx-config files
|
|
if jq -e '.kind == "gfx-config"' "$json" > /dev/null 2>&1; then
|
|
emit_rules "$json"
|
|
fi
|
|
done
|