Update game.exe icon

code/Sun.rc

@@ -117,7 +117,7 @@ END
 
 // Icon with lowest ID value placed first to ensure application icon
 // remains consistent on all systems.
-IDI_SUN                 ICON    DISCARDABLE     "sun.ico"
+IDI_SUN                 ICON    DISCARDABLE     "resources/app-icon/opents.ico"
 IDI_CHECKED             ICON    DISCARDABLE     "checked.ico"
 IDI_UNCHECKED           ICON    DISCARDABLE     "unchecked.ico"
 IDI_GREYED              ICON    DISCARDABLE     "greyed.ico"

code/resources/app-icon/build-ico.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+icon_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+
+if ! command -v magick >/dev/null 2>&1; then
+	echo "Error: ImageMagick 'magick' was not found." >&2
+	exit 1
+fi
+
+magick \
+	\( -background none "$icon_dir/opents.svg" -resize 256x256 \) \
+	\( -background none "$icon_dir/opents.svg" -resize 128x128 \) \
+	\( -background none "$icon_dir/opents.svg" -resize 64x64 \) \
+	\( -background none "$icon_dir/opents.svg" -resize 48x48 \) \
+	\( -background none "$icon_dir/opents-flat.svg" -resize 32x32 \) \
+	\( -background none "$icon_dir/opents-flat.svg" -resize 24x24 \) \
+	\( -background none "$icon_dir/opents-flat.svg" -resize 16x16 \) \
+	"$icon_dir/opents.ico"
+
+echo "Created $icon_dir/opents.ico"