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Try to verify rom from exe dir (#277)

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This commit is contained in:
Jeod
2025-09-26 09:49:23 -04:00
committed by GitHub
parent 53dc4923a0
commit 6008161c54
1 changed files with 66 additions and 32 deletions
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88
Scripts/UI/RomVerifier.gd
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@@ -1,53 +1,85 @@
class_name ROMVerifier
extends Node
var args = OS.get_cmdline_args()
const VALID_HASH := "c9b34443c0414f3b91ef496d8cfee9fdd72405d673985afa11fb56732c96152b"
# Array of valid ROM hashes
const VALID_HASH := [
"c9b34443c0414f3b91ef496d8cfee9fdd72405d673985afa11fb56732c96152b"
]
var args: PackedStringArray
func _ready() -> void:
args = OS.get_cmdline_args()
Global.get_node("GameHUD").hide()
var validRomFound = false
for i in args:
if i.is_valid_filename():
if(is_valid_rom((i))):
on_file_dropped(args)
validRomFound = true
if(!validRomFound):
# Try command line ROMs first
for path in args:
if path.is_valid_filename():
if handle_rom(path):
return
# Fallback: local ROM
var local_rom := find_local_rom()
if local_rom != "" and handle_rom(local_rom):
return
# Otherwise wait for dropped files
get_window().files_dropped.connect(on_file_dropped)
await get_tree().physics_frame
# Window setup
DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_WINDOWED)
DisplayServer.window_set_flag(DisplayServer.WINDOW_FLAG_BORDERLESS, false)
func find_local_rom() -> String:
var exe_dir := OS.get_executable_path().get_base_dir()
var dir := DirAccess.open(exe_dir)
if not dir:
return ""
for file_name in dir.get_files():
if file_name.to_lower().ends_with(".nes"):
return exe_dir.path_join(file_name)
return ""
func on_file_dropped(files: PackedStringArray) -> void:
for i in files:
if i.contains(".zip"):
for file in files:
if file.ends_with(".zip"):
zip_error()
return
elif is_valid_rom(i):
Global.rom_path = i
verified()
copy_rom(i)
if handle_rom(file):
return
error()
func copy_rom(file_path := "") -> void:
func handle_rom(path: String) -> bool:
if not is_valid_rom(path):
return false
Global.rom_path = path
copy_rom(path)
verified()
return true
func copy_rom(file_path: String) -> void:
DirAccess.copy_absolute(file_path, Global.ROM_PATH)
static func get_hash(file_path := "") -> String:
var file_bytes = FileAccess.open(file_path, FileAccess.READ).get_buffer(40976)
var data = file_bytes.slice(16)
static func get_hash(file_path: String) -> String:
var file := FileAccess.open(file_path, FileAccess.READ)
if not file:
return ""
var file_bytes := file.get_buffer(40976)
var data := file_bytes.slice(16)
return Marshalls.raw_to_base64(data).sha256_text()
static func is_valid_rom(rom_path := "") -> bool:
return get_hash(rom_path) == VALID_HASH
static func is_valid_rom(rom_path: String) -> bool:
var hash := get_hash(rom_path)
return hash in VALID_HASH
func error() -> void:
%Error.show()
$ErrorSFX.play()
func zip_error() -> void:
$ErrorSFX.play()
%ZipError.show()
$ErrorSFX.play()
func verified() -> void:
$BGM.queue_free()
@@ -55,15 +87,17 @@ func verified() -> void:
%SuccessMSG.show()
$SuccessSFX.play()
await get_tree().create_timer(3, false).timeout
var target_scene := "res://Scenes/Levels/TitleScreen.tscn"
if not Global.rom_assets_exist:
Global.transition_to_scene("res://Scenes/Levels/RomResourceGenerator.tscn")
else:
Global.transition_to_scene("res://Scenes/Levels/TitleScreen.tscn")
target_scene = "res://Scenes/Levels/RomResourceGenerator.tscn"
Global.transition_to_scene(target_scene)
func _exit_tree() -> void:
Global.get_node("GameHUD").show()
func create_file_pointer(file_path := "") -> void:
var pointer = FileAccess.open(Global.ROM_POINTER_PATH, FileAccess.WRITE)
func create_file_pointer(file_path: String) -> void:
var pointer := FileAccess.open(Global.ROM_POINTER_PATH, FileAccess.WRITE)
if pointer:
pointer.store_string(file_path)
pointer.close()