ui: Add script to bake ui elements

data/gen_ui_atlas.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+set -e
+
+# Rasterize svg objects
+SVGS="ports.svg duke.svg xmu.svg"
+PNGS=""
+for image in $SVGS; do
+	for obj in $(inkscape --query-all $image | grep -oP "obj_\w+"); do
+		outfile=${obj}.png
+		inkscape --export-id-only --export-id=$obj --export-filename=$outfile $image
+		PNGS="$PNGS $outfile"
+	done
+done
+
+# Build texture atlas
+# pip install https://github.com/mborgerson/textureatlas/archive/refs/heads/master.zip
+python -m textureatlas -o ui_objs.png -m ui_objs.json -mf=json $PNGS
+
+# Build accessory structs
+python <<EOF >ui_objs.h
+import json
+with open("ui_objs.json", "r", encoding="utf-8") as file:
+	atlas = json.load(file)
+	print("const struct { int x, y, w, h; } ui_objs[] = {")
+	names = []
+	for name, frames in atlas.items():
+		for x, y, w, h in frames:
+			print("  {%4d, %4d, %4d, %4d}, // %s" % (x, y, w, h, name))
+		names.append(name)
+	print("};")
+	print("enum ui_objs_idx {")
+	for idx, name in enumerate(names):
+		print(f"    ui_{name}_idx = {idx},")
+	print("};")
+EOF