#!/usr/bin/env bash
# Converts every raw frame dump written by the debug dump hotkey (press
# K in-game - see root README.md's "Debugging" section) into a viewable
# PNG under dumps-png/, using dump2png (only present in a `make dist_debug`
# build, alongside this script).
set -euo pipefail
cd "$(dirname "${BASH_SOURCE[0]}")"

if [ ! -x ./dump2png ]; then
    echo "dump2png not found next to this script - this needs a debug build" >&2
    echo "(see root README.md's \"Debugging\" section: make dist_debug)" >&2
    exit 1
fi
if [ ! -d dumps ]; then
    echo "No dumps/ directory here yet - press K in-game first to write some frame dumps" >&2
    exit 1
fi

./dump2png res/data dumps dumps-png