improved file read/copy logic

gameinfo.go

@@ -0,0 +1,68 @@
+package main
+
+import "slices"
+
+var REQUIRED_IMAGES = []string{
+	"ART",
+	"CREDIT",
+	"FLOOR",
+	"ROOF",
+	"WALL",
+}
+var OPTIONAL_BUTREQUIRED_IMAGES = []string{
+	"MINI",
+	"INTERACT",
+	"LAYER",
+}
+var OPTIONAL_IMAGES = []string{
+	"WALL2",
+	"WALL3",
+	"WALL4",
+}
+var ACCEPTED_IMAGE_EXT = []string{
+	"PNG",
+	"JPG",
+	"BMP",
+}
+
+var OPTIONAL_BUTREQUIRED_AUDIO = []string{
+	"FOOT",
+	"MUSIC",
+}
+var ACCEPTED_AUDIO_EXT = []string{
+	"WAV",
+	"MP3",
+	"OGG",
+	"MIDI",
+}
+
+func gameRequiredImages() []string {
+	minimal := make([]string, len(REQUIRED_IMAGES))
+	copy(minimal, REQUIRED_IMAGES)
+	return minimal
+}
+
+func gameExtraRequiredImages() []string {
+	extra := make([]string, len(OPTIONAL_BUTREQUIRED_IMAGES))
+	copy(extra, OPTIONAL_BUTREQUIRED_IMAGES)
+	return extra
+}
+
+func gameExtraRequiredAudios() []string {
+	extra := make([]string, len(OPTIONAL_BUTREQUIRED_AUDIO))
+	copy(extra, OPTIONAL_BUTREQUIRED_AUDIO)
+	return extra
+}
+
+func isAcceptedImageExt(ext string) bool {
+	return slices.Contains(ACCEPTED_IMAGE_EXT, ext)
+}
+
+func isAcceptedAudioExt(ext string) bool {
+	return slices.Contains(ACCEPTED_AUDIO_EXT, ext)
+}
+
+func isAcceptedFile(name, ext string) bool {
+	return (isAcceptedImageExt(ext) && (slices.Contains(REQUIRED_IMAGES, name) || slices.Contains(OPTIONAL_BUTREQUIRED_IMAGES, name) || slices.Contains(OPTIONAL_IMAGES, name))) ||
+		(isAcceptedAudioExt(ext) && slices.Contains(OPTIONAL_BUTREQUIRED_AUDIO, name))
+}