Grinch-AP/LttPAdjuster.py

#!/usr/bin/env python3
import argparse
import json
import os
import logging
import queue
import random
import shutil
import textwrap
import sys
import threading
import time
import tkinter as tk
from argparse import Namespace
from concurrent.futures import as_completed, ThreadPoolExecutor
from glob import glob
from tkinter import Tk, Frame, Label, StringVar, Entry, filedialog, messagebox, Button, LEFT, X, TOP, LabelFrame, \
    IntVar, Checkbutton, E, OptionMenu, Toplevel, BOTTOM, RIGHT, font as font, PhotoImage
from urllib.parse import urlparse
from urllib.request import urlopen

from worlds.alttp.Rom import Sprite, LocalRom, apply_rom_settings
from Utils import output_path, local_path, open_file


class AdjusterWorld(object):
    def __init__(self, sprite_pool):
        import random
        self.sprite_pool = {1: sprite_pool}
        self.slot_seeds = {1: random}


class ArgumentDefaultsHelpFormatter(argparse.RawTextHelpFormatter):

    def _get_help_string(self, action):
        return textwrap.dedent(action.help)


def main():
    parser = argparse.ArgumentParser(formatter_class=ArgumentDefaultsHelpFormatter)

    parser.add_argument('--rom', default='ER_base.sfc', help='Path to an ALttP rom to adjust.')
    parser.add_argument('--baserom', default='Zelda no Densetsu - Kamigami no Triforce (Japan).sfc',
                        help='Path to an ALttP JAP(1.0) rom to use as a base.')
    parser.add_argument('--loglevel', default='info', const='info', nargs='?',
                        choices=['error', 'info', 'warning', 'debug'], help='Select level of logging for output.')
    parser.add_argument('--fastmenu', default='normal', const='normal', nargs='?',
                        choices=['normal', 'instant', 'double', 'triple', 'quadruple', 'half'],
                        help='''\
                             Select the rate at which the menu opens and closes.
                             (default: %(default)s)
                             ''')
    parser.add_argument('--quickswap', help='Enable quick item swapping with L and R.', action='store_true')
    parser.add_argument('--disablemusic', help='Disables game music.', action='store_true')
    parser.add_argument('--triforcehud', default='hide_goal', const='hide_goal', nargs='?',
                        choices=['normal', 'hide_goal', 'hide_required', 'hide_both'],
                        help='''\
                            Hide the triforce hud in certain circumstances.
                            hide_goal will hide the hud until finding a triforce piece, hide_required will hide the total amount needed to win
                            (Both can be revealed when speaking to Murahalda)
                            (default: %(default)s)
                            ''')
    parser.add_argument('--enableflashing',
                        help='Reenable flashing animations (unfriendly to epilepsy, always disabled in race roms)',
                        action='store_false', dest="reduceflashing")
    parser.add_argument('--heartbeep', default='normal', const='normal', nargs='?',
                        choices=['double', 'normal', 'half', 'quarter', 'off'],
                        help='''\
                             Select the rate at which the heart beep sound is played at
                             low health. (default: %(default)s)
                             ''')
    parser.add_argument('--heartcolor', default='red', const='red', nargs='?',
                        choices=['red', 'blue', 'green', 'yellow', 'random'],
                        help='Select the color of Link\'s heart meter. (default: %(default)s)')
    parser.add_argument('--ow_palettes', default='default',
                        choices=['default', 'random', 'blackout', 'puke', 'classic', 'grayscale', 'negative', 'dizzy',
                                 'sick'])
    parser.add_argument('--link_palettes', default='default',
                        choices=['default', 'random', 'blackout', 'puke', 'classic', 'grayscale', 'negative', 'dizzy',
                                 'sick'])
    parser.add_argument('--shield_palettes', default='default',
                        choices=['default', 'random', 'blackout', 'puke', 'classic', 'grayscale', 'negative', 'dizzy',
                                 'sick'])
    parser.add_argument('--sword_palettes', default='default',
                        choices=['default', 'random', 'blackout', 'puke', 'classic', 'grayscale', 'negative', 'dizzy',
                                 'sick'])
    parser.add_argument('--hud_palettes', default='default',
                        choices=['default', 'random', 'blackout', 'puke', 'classic', 'grayscale', 'negative', 'dizzy',
                                 'sick'])
    parser.add_argument('--uw_palettes', default='default',
                        choices=['default', 'random', 'blackout', 'puke', 'classic', 'grayscale', 'negative', 'dizzy',
                                 'sick'])
    parser.add_argument('--sprite', help='''\
                             Path to a sprite sheet to use for Link. Needs to be in
                             binary format and have a length of 0x7000 (28672) bytes,
                             or 0x7078 (28792) bytes including palette data.
                             Alternatively, can be a ALttP Rom patched with a Link
                             sprite that will be extracted.
                             ''')
    parser.add_argument('--names', default='', type=str)
    parser.add_argument('--update_sprites', action='store_true', help='Update Sprite Database, then exit.')
    args = parser.parse_args()
    if args.update_sprites:
        run_sprite_update()
        sys.exit()
    # set up logger
    loglevel = {'error': logging.ERROR, 'info': logging.INFO, 'warning': logging.WARNING, 'debug': logging.DEBUG}[
        args.loglevel]
    logging.basicConfig(format='%(message)s', level=loglevel)

    if not os.path.isfile(args.rom):
        adjustGUI()
    else:
        if args.sprite is not None and not os.path.isfile(args.sprite) and not Sprite.get_sprite_from_name(args.sprite):
            input('Could not find link sprite sheet at given location. \nPress Enter to exit.')
            sys.exit(1)

        args, path = adjust(args=args)
        from Utils import persistent_store
        if isinstance(args.sprite, Sprite):
            args.sprite = args.sprite.name
        persistent_store("adjuster", "last_settings_3", args)


def adjust(args):
    start = time.perf_counter()
    logger = logging.getLogger('Adjuster')
    logger.info('Patching ROM.')
    vanillaRom = args.baserom
    if os.path.splitext(args.rom)[-1].lower() == '.apbp':
        import Patch
        meta, args.rom = Patch.create_rom_file(args.rom)

    if os.stat(args.rom).st_size in (0x200000, 0x400000) and os.path.splitext(args.rom)[-1].lower() == '.sfc':
        rom = LocalRom(args.rom, patch=False, vanillaRom=vanillaRom)
    else:
        raise RuntimeError(
            'Provided Rom is not a valid Link to the Past Randomizer Rom. Please provide one for adjusting.')
    palettes_options = {}
    palettes_options['dungeon'] = args.uw_palettes

    palettes_options['overworld'] = args.ow_palettes
    palettes_options['hud'] = args.hud_palettes
    palettes_options['sword'] = args.sword_palettes
    palettes_options['shield'] = args.shield_palettes
    # palettes_options['link']=args.link_palettesvera

    racerom = rom.read_byte(0x180213) > 0
    world = None
    if hasattr(args, "world"):
        world = getattr(args, "world")

    apply_rom_settings(rom, args.heartbeep, args.heartcolor, args.quickswap, args.fastmenu, args.disablemusic,
                       args.sprite, palettes_options, reduceflashing=args.reduceflashing or racerom, world=world)
    path = output_path(f'{os.path.basename(args.rom)[:-4]}_adjusted.sfc')
    rom.write_to_file(path)

    logger.info('Done. Enjoy.')
    logger.debug('Total Time: %s', time.perf_counter() - start)

    return args, path


def adjustGUI():
    from tkinter import Tk, LEFT, BOTTOM, TOP, \
        StringVar, Frame, Label, X, Entry, Button, filedialog, messagebox, ttk
    from argparse import Namespace
    from Main import __version__ as MWVersion
    adjustWindow = Tk()
    adjustWindow.wm_title("Archipelago %s LttP Adjuster" % MWVersion)
    set_icon(adjustWindow)

    rom_options_frame, rom_vars, set_sprite = get_rom_options_frame(adjustWindow)

    bottomFrame2 = Frame(adjustWindow)

    romFrame, romVar = get_rom_frame(adjustWindow)

    romDialogFrame = Frame(adjustWindow)
    baseRomLabel2 = Label(romDialogFrame, text='Rom to adjust')
    romVar2 = StringVar()
    romEntry2 = Entry(romDialogFrame, textvariable=romVar2)

    def RomSelect2():
        rom = filedialog.askopenfilename(filetypes=[("Rom Files", (".sfc", ".smc", ".apbp")), ("All Files", "*")])
        romVar2.set(rom)

    romSelectButton2 = Button(romDialogFrame, text='Select Rom', command=RomSelect2)
    romDialogFrame.pack(side=TOP, expand=True, fill=X)
    baseRomLabel2.pack(side=LEFT)
    romEntry2.pack(side=LEFT, expand=True, fill=X)
    romSelectButton2.pack(side=LEFT)

    def adjustRom():
        guiargs = Namespace()
        guiargs.heartbeep = rom_vars.heartbeepVar.get()
        guiargs.heartcolor = rom_vars.heartcolorVar.get()
        guiargs.fastmenu = rom_vars.fastMenuVar.get()
        guiargs.ow_palettes = rom_vars.owPalettesVar.get()
        guiargs.uw_palettes = rom_vars.uwPalettesVar.get()
        guiargs.hud_palettes = rom_vars.hudPalettesVar.get()
        guiargs.sword_palettes = rom_vars.swordPalettesVar.get()
        guiargs.shield_palettes = rom_vars.shieldPalettesVar.get()
        guiargs.quickswap = bool(rom_vars.quickSwapVar.get())
        guiargs.disablemusic = bool(rom_vars.disableMusicVar.get())
        guiargs.reduceflashing = bool(rom_vars.disableFlashingVar.get())
        guiargs.rom = romVar2.get()
        guiargs.baserom = romVar.get()
        guiargs.sprite = rom_vars.sprite
        if rom_vars.sprite_pool:
            guiargs.world = AdjusterWorld(rom_vars.sprite_pool)

        try:
            guiargs, path = adjust(args=guiargs)
            if rom_vars.sprite_pool:
                guiargs.sprite_pool = rom_vars.sprite_pool
                delattr(guiargs, "world")
        except Exception as e:
            logging.exception(e)
            messagebox.showerror(title="Error while adjusting Rom", message=str(e))
        else:
            messagebox.showinfo(title="Success", message=f"Rom patched successfully to {path}")
            from Utils import persistent_store
            from worlds.alttp.Rom import Sprite
            if isinstance(guiargs.sprite, Sprite):
                guiargs.sprite = guiargs.sprite.name
            persistent_store("adjuster", "last_settings_3", guiargs)

    adjustButton = Button(bottomFrame2, text='Adjust Rom', command=adjustRom)
    rom_options_frame.pack(side=TOP)
    adjustButton.pack(side=BOTTOM, padx=(5, 5))

    bottomFrame2.pack(side=BOTTOM, pady=(5, 5))

    adjustWindow.mainloop()


def run_sprite_update():
    import threading
    done = threading.Event()
    top = Tk()
    top.withdraw()
    BackgroundTaskProgress(top, update_sprites, "Updating Sprites", lambda succesful, resultmessage: done.set())
    while not done.isSet():
        top.update()
    print("Done updating sprites")


def update_sprites(task, on_finish=None):
    resultmessage = ""
    successful = True
    sprite_dir = local_path("data", "sprites", "alttpr")
    os.makedirs(sprite_dir, exist_ok=True)

    def finished():
        task.close_window()
        if on_finish:
            on_finish(successful, resultmessage)

    try:
        task.update_status("Downloading alttpr sprites list")
        with urlopen('https://alttpr.com/sprites') as response:
            sprites_arr = json.loads(response.read().decode("utf-8"))
    except Exception as e:
        resultmessage = "Error getting list of alttpr sprites. Sprites not updated.\n\n%s: %s" % (type(e).__name__, e)
        successful = False
        task.queue_event(finished)
        return

    try:
        task.update_status("Determining needed sprites")
        current_sprites = [os.path.basename(file) for file in glob(sprite_dir + '/*')]
        alttpr_sprites = [(sprite['file'], os.path.basename(urlparse(sprite['file']).path))
                          for sprite in sprites_arr if sprite["author"] != "Nintendo"]
        needed_sprites = [(sprite_url, filename) for (sprite_url, filename) in alttpr_sprites if filename not in current_sprites]

        alttpr_filenames = [filename for (_, filename) in alttpr_sprites]
        obsolete_sprites = [sprite for sprite in current_sprites if sprite not in alttpr_filenames]
    except Exception as e:
        resultmessage = "Error Determining which sprites to update. Sprites not updated.\n\n%s: %s" % (type(e).__name__, e)
        successful = False
        task.queue_event(finished)
        return


    def dl(sprite_url, filename):
        target = os.path.join(sprite_dir, filename)
        with urlopen(sprite_url) as response, open(target, 'wb') as out:
            shutil.copyfileobj(response, out)

    def rem(sprite):
        os.remove(os.path.join(sprite_dir, sprite))


    with ThreadPoolExecutor() as pool:
        dl_tasks = []
        rem_tasks = []

        for (sprite_url, filename) in needed_sprites:
            dl_tasks.append(pool.submit(dl, sprite_url, filename))

        for sprite in obsolete_sprites:
            rem_tasks.append(pool.submit(rem, sprite))

        deleted = 0
        updated = 0

        for dl_task in as_completed(dl_tasks):
            updated += 1
            task.update_status("Downloading needed sprite %g/%g" % (updated, len(needed_sprites)))
            try:
                dl_task.result()
            except Exception as e:
                logging.exception(e)
                resultmessage = "Error downloading sprite. Not all sprites updated.\n\n%s: %s" % (
                type(e).__name__, e)
                successful = False

        for rem_task in as_completed(rem_tasks):
            deleted += 1
            task.update_status("Removing obsolete sprite %g/%g" % (deleted, len(obsolete_sprites)))
            try:
                rem_task.result()
            except Exception as e:
                logging.exception(e)
                resultmessage = "Error removing obsolete sprite. Not all sprites updated.\n\n%s: %s" % (
                type(e).__name__, e)
                successful = False

    if successful:
        resultmessage = "alttpr sprites updated successfully"

    task.queue_event(finished)


def set_icon(window):
    logo = tk.PhotoImage(file=local_path('data', 'icon.png'))
    window.tk.call('wm', 'iconphoto', window._w, logo)


class BackgroundTask(object):
    def __init__(self, window, code_to_run, *args):
        self.window = window
        self.queue = queue.Queue()
        self.running = True
        self.process_queue()
        self.task = threading.Thread(target=code_to_run, args=(self, *args))
        self.task.start()

    def stop(self):
        self.running = False

    # safe to call from worker
    def queue_event(self, event):
        self.queue.put(event)

    def process_queue(self):
        try:
            while True:
                if not self.running:
                    return
                event = self.queue.get_nowait()
                event()
                if self.running:
                    #if self is no longer running self.window may no longer be valid
                    self.window.update_idletasks()
        except queue.Empty:
            pass
        if self.running:
            self.window.after(100, self.process_queue)


class BackgroundTaskProgress(BackgroundTask):
    def __init__(self, parent, code_to_run, title, *args):
        self.parent = parent
        self.window = tk.Toplevel(parent)
        self.window['padx'] = 5
        self.window['pady'] = 5

        try:
            self.window.attributes("-toolwindow", 1)
        except tk.TclError:
            pass

        self.window.wm_title(title)
        self.label_var = tk.StringVar()
        self.label_var.set("")
        self.label = tk.Label(self.window, textvariable=self.label_var, width=50)
        self.label.pack()
        self.window.resizable(width=False, height=False)

        set_icon(self.window)
        self.window.focus()
        super().__init__(self.window, code_to_run, *args)

    # safe to call from worker thread
    def update_status(self, text):
        self.queue_event(lambda: self.label_var.set(text))

    # only call this in an event callback
    def close_window(self):
        self.stop()
        self.window.destroy()


def get_rom_frame(parent=None):
    romFrame = Frame(parent)
    baseRomLabel = Label(romFrame, text='LttP Base Rom: ')
    romVar = StringVar(value="Zelda no Densetsu - Kamigami no Triforce (Japan).sfc")
    romEntry = Entry(romFrame, textvariable=romVar)

    def RomSelect():
        rom = filedialog.askopenfilename(filetypes=[("Rom Files", (".sfc", ".smc")), ("All Files", "*")])
        import Patch
        try:
            Patch.get_base_rom_bytes(rom)  # throws error on checksum fail
        except Exception as e:
            logging.exception(e)
            messagebox.showerror(title="Error while reading ROM", message=str(e))
        else:
            romVar.set(rom)
            romSelectButton['state'] = "disabled"
            romSelectButton["text"] = "ROM verified"
    romSelectButton = Button(romFrame, text='Select Rom', command=RomSelect)

    baseRomLabel.pack(side=LEFT)
    romEntry.pack(side=LEFT, expand=True, fill=X)
    romSelectButton.pack(side=LEFT)
    romFrame.pack(side=TOP, expand=True, fill=X)

    return romFrame, romVar


def get_rom_options_frame(parent=None):
    romOptionsFrame = LabelFrame(parent, text="Rom options")
    romOptionsFrame.columnconfigure(0, weight=1)
    romOptionsFrame.columnconfigure(1, weight=1)
    for i in range(5):
        romOptionsFrame.rowconfigure(i, weight=1)
    vars = Namespace()

    vars.disableMusicVar = IntVar()
    disableMusicCheckbutton = Checkbutton(romOptionsFrame, text="Disable music", variable=vars.disableMusicVar)
    disableMusicCheckbutton.grid(row=0, column=0, sticky=E)

    vars.disableFlashingVar = IntVar(value=1)
    disableFlashingCheckbutton = Checkbutton(romOptionsFrame, text="Disable flashing (anti-epilepsy)", variable=vars.disableFlashingVar)
    disableFlashingCheckbutton.grid(row=6, column=0, sticky=E)

    spriteDialogFrame = Frame(romOptionsFrame)
    spriteDialogFrame.grid(row=0, column=1)
    baseSpriteLabel = Label(spriteDialogFrame, text='Sprite:')



    vars.spriteNameVar = StringVar()
    vars.sprite = None
    def set_sprite(sprite_param):
        nonlocal vars
        if isinstance(sprite_param, str):
            vars.sprite = sprite_param
            vars.spriteNameVar.set(sprite_param)
        elif sprite_param is None or not sprite_param.valid:
            vars.sprite = None
            vars.spriteNameVar.set('(unchanged)')
        else:
            vars.sprite = sprite_param
            vars.spriteNameVar.set(vars.sprite.name)

    set_sprite(None)
    vars.spriteNameVar.set('(unchanged)')
    spriteEntry = Label(spriteDialogFrame, textvariable=vars.spriteNameVar)

    def SpriteSelect():
        nonlocal vars
        SpriteSelector(parent, set_sprite, spritePool=vars.sprite_pool)

    spriteSelectButton = Button(spriteDialogFrame, text='...', command=SpriteSelect)

    baseSpriteLabel.pack(side=LEFT)
    spriteEntry.pack(side=LEFT)
    spriteSelectButton.pack(side=LEFT)

    vars.quickSwapVar = IntVar(value=1)
    quickSwapCheckbutton = Checkbutton(romOptionsFrame, text="L/R Quickswapping", variable=vars.quickSwapVar)
    quickSwapCheckbutton.grid(row=1, column=0, sticky=E)

    fastMenuFrame = Frame(romOptionsFrame)
    fastMenuFrame.grid(row=1, column=1, sticky=E)
    fastMenuLabel = Label(fastMenuFrame, text='Menu speed')
    fastMenuLabel.pack(side=LEFT)
    vars.fastMenuVar = StringVar()
    vars.fastMenuVar.set('normal')
    fastMenuOptionMenu = OptionMenu(fastMenuFrame, vars.fastMenuVar, 'normal', 'instant', 'double', 'triple', 'quadruple', 'half')
    fastMenuOptionMenu.pack(side=LEFT)

    heartcolorFrame = Frame(romOptionsFrame)
    heartcolorFrame.grid(row=2, column=0, sticky=E)
    heartcolorLabel = Label(heartcolorFrame, text='Heart color')
    heartcolorLabel.pack(side=LEFT)
    vars.heartcolorVar = StringVar()
    vars.heartcolorVar.set('red')
    heartcolorOptionMenu = OptionMenu(heartcolorFrame, vars.heartcolorVar, 'red', 'blue', 'green', 'yellow', 'random')
    heartcolorOptionMenu.pack(side=LEFT)

    heartbeepFrame = Frame(romOptionsFrame)
    heartbeepFrame.grid(row=2, column=1, sticky=E)
    heartbeepLabel = Label(heartbeepFrame, text='Heartbeep')
    heartbeepLabel.pack(side=LEFT)
    vars.heartbeepVar = StringVar()
    vars.heartbeepVar.set('normal')
    heartbeepOptionMenu = OptionMenu(heartbeepFrame, vars.heartbeepVar, 'double', 'normal', 'half', 'quarter', 'off')
    heartbeepOptionMenu.pack(side=LEFT)

    owPalettesFrame = Frame(romOptionsFrame)
    owPalettesFrame.grid(row=3, column=0, sticky=E)
    owPalettesLabel = Label(owPalettesFrame, text='Overworld palettes')
    owPalettesLabel.pack(side=LEFT)
    vars.owPalettesVar = StringVar()
    vars.owPalettesVar.set('default')
    owPalettesOptionMenu = OptionMenu(owPalettesFrame, vars.owPalettesVar, 'default', 'random', 'blackout', 'grayscale', 'negative', 'classic', 'dizzy', 'sick', 'puke')
    owPalettesOptionMenu.pack(side=LEFT)

    uwPalettesFrame = Frame(romOptionsFrame)
    uwPalettesFrame.grid(row=3, column=1, sticky=E)
    uwPalettesLabel = Label(uwPalettesFrame, text='Dungeon palettes')
    uwPalettesLabel.pack(side=LEFT)
    vars.uwPalettesVar = StringVar()
    vars.uwPalettesVar.set('default')
    uwPalettesOptionMenu = OptionMenu(uwPalettesFrame, vars.uwPalettesVar, 'default', 'random', 'blackout', 'grayscale', 'negative', 'classic', 'dizzy', 'sick', 'puke')
    uwPalettesOptionMenu.pack(side=LEFT)

    hudPalettesFrame = Frame(romOptionsFrame)
    hudPalettesFrame.grid(row=4, column=0, sticky=E)
    hudPalettesLabel = Label(hudPalettesFrame, text='HUD palettes')
    hudPalettesLabel.pack(side=LEFT)
    vars.hudPalettesVar = StringVar()
    vars.hudPalettesVar.set('default')
    hudPalettesOptionMenu = OptionMenu(hudPalettesFrame, vars.hudPalettesVar, 'default', 'random', 'blackout', 'grayscale', 'negative', 'classic', 'dizzy', 'sick', 'puke')
    hudPalettesOptionMenu.pack(side=LEFT)

    swordPalettesFrame = Frame(romOptionsFrame)
    swordPalettesFrame.grid(row=4, column=1, sticky=E)
    swordPalettesLabel = Label(swordPalettesFrame, text='Sword palettes')
    swordPalettesLabel.pack(side=LEFT)
    vars.swordPalettesVar = StringVar()
    vars.swordPalettesVar.set('default')
    swordPalettesOptionMenu = OptionMenu(swordPalettesFrame, vars.swordPalettesVar, 'default', 'random', 'blackout', 'grayscale', 'negative', 'classic', 'dizzy', 'sick', 'puke')
    swordPalettesOptionMenu.pack(side=LEFT)

    shieldPalettesFrame = Frame(romOptionsFrame)
    shieldPalettesFrame.grid(row=5, column=0, sticky=E)
    shieldPalettesLabel = Label(shieldPalettesFrame, text='Shield palettes')
    shieldPalettesLabel.pack(side=LEFT)
    vars.shieldPalettesVar = StringVar()
    vars.shieldPalettesVar.set('default')
    shieldPalettesOptionMenu = OptionMenu(shieldPalettesFrame, vars.shieldPalettesVar, 'default', 'random', 'blackout', 'grayscale', 'negative', 'classic', 'dizzy', 'sick', 'puke')
    shieldPalettesOptionMenu.pack(side=LEFT)

    spritePoolFrame = Frame(romOptionsFrame)
    spritePoolFrame.grid(row=5, column=1)
    baseSpritePoolLabel = Label(spritePoolFrame, text='Sprite Pool:')

    vars.spritePoolCountVar = StringVar()
    vars.sprite_pool = []
    def set_sprite_pool(sprite_param):
        nonlocal vars
        operation = "add"
        if isinstance(sprite_param, tuple):
            operation, sprite_param = sprite_param
        if isinstance(sprite_param, Sprite) and sprite_param.valid:
            sprite_param = sprite_param.name
        if isinstance(sprite_param, str):
            if operation == "add":
                vars.sprite_pool.append(sprite_param)
            elif operation == "remove":
                vars.sprite_pool.remove(sprite_param)
            elif operation == "clear":
                vars.sprite_pool.clear()
        vars.spritePoolCountVar.set(str(len(vars.sprite_pool)))

    set_sprite_pool(None)
    vars.spritePoolCountVar.set('0')
    spritePoolEntry = Label(spritePoolFrame, textvariable=vars.spritePoolCountVar)

    def SpritePoolSelect():
        nonlocal vars
        SpriteSelector(parent, set_sprite_pool, randomOnEvent=False, spritePool=vars.sprite_pool)

    def SpritePoolClear():
        nonlocal vars
        vars.sprite_pool.clear()
        vars.spritePoolCountVar.set('0')

    spritePoolSelectButton = Button(spritePoolFrame, text='...', command=SpritePoolSelect)
    spritePoolClearButton = Button(spritePoolFrame, text='Clear', command=SpritePoolClear)

    baseSpritePoolLabel.pack(side=LEFT)
    spritePoolEntry.pack(side=LEFT)
    spritePoolSelectButton.pack(side=LEFT)
    spritePoolClearButton.pack(side=LEFT)

    return romOptionsFrame, vars, set_sprite


class SpriteSelector():
    def __init__(self, parent, callback, adjuster=False, randomOnEvent=True, spritePool=None):
        self.deploy_icons()
        self.parent = parent
        self.window = Toplevel(parent)
        self.callback = callback
        self.adjuster = adjuster
        self.randomOnEvent = randomOnEvent
        self.spritePoolButtons = None

        self.window.wm_title("TAKE ANY ONE YOU WANT")
        self.window['padx'] = 5
        self.window['pady'] = 5
        self.spritesPerRow = 32
        self.all_sprites = []
        self.sprite_pool = spritePool

        def open_custom_sprite_dir(_evt):
            open_file(self.custom_sprite_dir)

        alttpr_frametitle = Label(self.window, text='ALTTPR Sprites')

        custom_frametitle = Frame(self.window)
        title_text = Label(custom_frametitle, text="Custom Sprites")
        title_link = Label(custom_frametitle, text="(open)", fg="blue", cursor="hand2")
        title_text.pack(side=LEFT)
        title_link.pack(side=LEFT)
        title_link.bind("<Button-1>", open_custom_sprite_dir)

        self.icon_section(alttpr_frametitle, self.alttpr_sprite_dir, 'ALTTPR sprites not found. Click "Update alttpr sprites" to download them.')
        self.icon_section(custom_frametitle, self.custom_sprite_dir, 'Put sprites in the custom sprites folder (see open link above) to have them appear here.')
        if not randomOnEvent:
            self.sprite_pool_section(spritePool)

        frame = Frame(self.window)
        frame.pack(side=BOTTOM, fill=X, pady=5)

        if self.randomOnEvent:
            button = Button(frame, text="Browse for file...", command=self.browse_for_sprite)
            button.pack(side=RIGHT, padx=(5, 0))

        button = Button(frame, text="Update alttpr sprites", command=self.update_alttpr_sprites)
        button.pack(side=RIGHT, padx=(5, 0))

        button = Button(frame, text="Default Link sprite", command=self.use_default_link_sprite)
        button.pack(side=LEFT, padx=(0, 5))

        self.randomButtonText = StringVar()
        button = Button(frame, textvariable=self.randomButtonText, command=self.use_random_sprite)
        button.pack(side=LEFT, padx=(0, 5))
        self.randomButtonText.set("Random")

        self.randomOnEventText = StringVar()
        self.randomOnHitVar = IntVar()
        self.randomOnEnterVar = IntVar()
        self.randomOnExitVar = IntVar()
        self.randomOnSlashVar = IntVar()
        self.randomOnItemVar = IntVar()
        self.randomOnBonkVar = IntVar()
        self.randomOnRandomVar = IntVar()

        if self.randomOnEvent:
            button = Checkbutton(frame, text="Hit", command=self.update_random_button, variable=self.randomOnHitVar)
            button.pack(side=LEFT, padx=(0, 5))

            button = Checkbutton(frame, text="Enter", command=self.update_random_button, variable=self.randomOnEnterVar)
            button.pack(side=LEFT, padx=(0, 5))

            button = Checkbutton(frame, text="Exit", command=self.update_random_button, variable=self.randomOnExitVar)
            button.pack(side=LEFT, padx=(0, 5))

            button = Checkbutton(frame, text="Slash", command=self.update_random_button, variable=self.randomOnSlashVar)
            button.pack(side=LEFT, padx=(0, 5))

            button = Checkbutton(frame, text="Item", command=self.update_random_button, variable=self.randomOnItemVar)
            button.pack(side=LEFT, padx=(0, 5))

            button = Checkbutton(frame, text="Bonk", command=self.update_random_button, variable=self.randomOnBonkVar)
            button.pack(side=LEFT, padx=(0, 5))

            button = Checkbutton(frame, text="Random", command=self.update_random_button, variable=self.randomOnRandomVar)
            button.pack(side=LEFT, padx=(0, 5))

        if adjuster:
            button = Button(frame, text="Current sprite from rom", command=self.use_default_sprite)
            button.pack(side=LEFT, padx=(0, 5))

        set_icon(self.window)
        self.window.focus()

    def remove_from_sprite_pool(self, button, spritename):
        self.callback(("remove", spritename))
        self.spritePoolButtons.buttons.remove(button)
        button.destroy()

    def add_to_sprite_pool(self, spritename):
        if isinstance(spritename, str):
            if spritename == "random":
                button = Button(self.spritePoolButtons, text="?")
                button['font'] = font.Font(size=19)
                button.configure(command=lambda spr="random": self.remove_from_sprite_pool(button, spr))
                ToolTips.register(button, "Random")
                self.spritePoolButtons.buttons.append(button)
            else:
                spritename = Sprite.get_sprite_from_name(spritename)
        if isinstance(spritename, Sprite) and spritename.valid:
            image = get_image_for_sprite(spritename)
            if image is None:
                return
            button = Button(self.spritePoolButtons, image=image)
            button.configure(command=lambda spr=spritename: self.remove_from_sprite_pool(button, spr.name))
            ToolTips.register(button, spritename.name +
                              f"\nBy: {spritename.author_name if spritename.author_name else ''}")
            button.image = image

            self.spritePoolButtons.buttons.append(button)
        self.grid_fill_sprites(self.spritePoolButtons)

    def sprite_pool_section(self, spritePool):
        def clear_sprite_pool(_evt):
            self.callback(("clear", "Clear"))
            for button in self.spritePoolButtons.buttons:
                button.destroy()
            self.spritePoolButtons.buttons.clear()

        frametitle = Frame(self.window)
        title_text = Label(frametitle, text="Sprite Pool")
        title_link = Label(frametitle, text="(clear)", fg="blue", cursor="hand2")
        title_text.pack(side=LEFT)
        title_link.pack(side=LEFT)
        title_link.bind("<Button-1>", clear_sprite_pool)

        self.spritePoolButtons = LabelFrame(self.window, labelwidget=frametitle, padx=5, pady=5)
        self.spritePoolButtons.pack(side=TOP, fill=X)
        self.spritePoolButtons.buttons = []

        def update_sprites(event):
            self.spritesPerRow = (event.width - 10) // 38
            self.grid_fill_sprites(self.spritePoolButtons)

        self.grid_fill_sprites(self.spritePoolButtons)
        self.spritePoolButtons.bind("<Configure>", update_sprites)

        if spritePool:
            for sprite in spritePool:
                self.add_to_sprite_pool(sprite)

    def icon_section(self, frame_label, path, no_results_label):
        frame = LabelFrame(self.window, labelwidget=frame_label, padx=5, pady=5)
        frame.pack(side=TOP, fill=X)

        sprites = []

        for file in os.listdir(path):
            sprites.append((file, Sprite(os.path.join(path, file))))

        sprites.sort(key=lambda s: str.lower(s[1].name or "").strip())

        frame.buttons = []
        for file, sprite in sprites:
            image = get_image_for_sprite(sprite)
            if image is None:
                continue
            self.all_sprites.append(sprite)
            button = Button(frame, image=image, command=lambda spr=sprite: self.select_sprite(spr))
            ToolTips.register(button, sprite.name +
                              ("\nBy: %s" % sprite.author_name if sprite.author_name else "") +
                              f"\nFrom: {file}")
            button.image = image
            frame.buttons.append(button)

        if not frame.buttons:
            label = Label(frame, text=no_results_label)
            label.pack()

        def update_sprites(event):
            self.spritesPerRow = (event.width - 10) // 38
            self.grid_fill_sprites(frame)

        self.grid_fill_sprites(frame)

        frame.bind("<Configure>", update_sprites)

    def grid_fill_sprites(self, frame):
        for i, button in enumerate(frame.buttons):
            button.grid(row=i // self.spritesPerRow, column=i % self.spritesPerRow)

    def update_alttpr_sprites(self):
        # need to wrap in try catch. We don't want errors getting the json or downloading the files to break us.
        self.window.destroy()
        self.parent.update()

        def on_finish(successful, resultmessage):
            if successful:
                messagebox.showinfo("Sprite Updater", resultmessage)
            else:
                logging.error(resultmessage)
                messagebox.showerror("Sprite Updater", resultmessage)
            SpriteSelector(self.parent, self.callback, self.adjuster)

        BackgroundTaskProgress(self.parent, update_sprites, "Updating Sprites", on_finish)


    def browse_for_sprite(self):
        sprite = filedialog.askopenfilename(
            filetypes=[("All Sprite Sources", (".zspr", ".spr", ".sfc", ".smc")),
                       ("ZSprite files", ".zspr"),
                       ("Sprite files", ".spr"),
                       ("Rom Files", (".sfc", ".smc")),
                       ("All Files", "*")])
        try:
            self.callback(Sprite(sprite))
        except Exception:
            self.callback(None)
        self.window.destroy()


    def use_default_sprite(self):
        self.callback(None)
        self.window.destroy()

    def use_default_link_sprite(self):
        if self.randomOnEvent:
            self.callback(Sprite.default_link_sprite())
            self.window.destroy()
        else:
            self.callback("link")
            self.add_to_sprite_pool("link")

    def update_random_button(self):
        if self.randomOnRandomVar.get():
            randomon = "random"
        else:
            randomon = "-hit" if self.randomOnHitVar.get() else ""
            randomon += "-enter" if self.randomOnEnterVar.get() else ""
            randomon += "-exit" if self.randomOnExitVar.get() else ""
            randomon += "-slash" if self.randomOnSlashVar.get() else ""
            randomon += "-item" if self.randomOnItemVar.get() else ""
            randomon += "-bonk" if self.randomOnBonkVar.get() else ""

        self.randomOnEventText.set(f"randomon{randomon}" if randomon else None)
        self.randomButtonText.set("Random On Event" if randomon else "Random")

    def use_random_sprite(self):
        if not self.randomOnEvent:
            self.callback("random")
            self.add_to_sprite_pool("random")
            return
        elif self.randomOnEventText.get():
            self.callback(self.randomOnEventText.get())
        elif self.sprite_pool:
            self.callback(random.choice(self.sprite_pool))
        elif self.all_sprites:
            self.callback(random.choice(self.all_sprites))
        else:
            self.callback(None)
        self.window.destroy()

    def select_sprite(self, spritename):
        self.callback(spritename)
        if self.randomOnEvent:
            self.window.destroy()
        else:
            self.add_to_sprite_pool(spritename)

    def deploy_icons(self):
        if not os.path.exists(self.custom_sprite_dir):
            os.makedirs(self.custom_sprite_dir)

    @property
    def alttpr_sprite_dir(self):
        return local_path("data", "sprites", "alttpr")

    @property
    def custom_sprite_dir(self):
        return local_path("data", "sprites", "custom")


def get_image_for_sprite(sprite, gif_only: bool = False):
    if not sprite.valid:
        return None
    height = 24
    width = 16

    def draw_sprite_into_gif(add_palette_color, set_pixel_color_index):

        def drawsprite(spr, pal_as_colors, offset):
            for y, row in enumerate(spr):
                for x, pal_index in enumerate(row):
                    if pal_index:
                        color = pal_as_colors[pal_index - 1]
                        set_pixel_color_index(x + offset[0], y + offset[1], color)

        add_palette_color(16, (40, 40, 40))
        shadow = [
            [0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0],
            [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0],
            [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
            [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
            [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0],
            [0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0],
        ]

        drawsprite(shadow, [16], (2, 17))

        palettes = sprite.decode_palette()
        for i in range(15):
            add_palette_color(i + 1, palettes[0][i])

        body = sprite.decode16(0x4C0)
        drawsprite(body, list(range(1, 16)), (0, 8))
        head = sprite.decode16(0x40)
        drawsprite(head, list(range(1, 16)), (0, 0))

    def make_gif(callback):
        gif_header = b'GIF89a'

        gif_lsd = bytearray(7)
        gif_lsd[0] = width
        gif_lsd[2] = height
        gif_lsd[4] = 0xF4  # 32 color palette follows.  transparant + 15 for sprite + 1 for shadow=17 which rounds up to 32 as nearest power of 2
        gif_lsd[5] = 0  # background color is zero
        gif_lsd[6] = 0  # aspect raio not specified
        gif_gct = bytearray(3 * 32)

        gif_gce = bytearray(8)
        gif_gce[0] = 0x21  # start of extention blocked
        gif_gce[1] = 0xF9  # identifies this as the Graphics Control extension
        gif_gce[2] = 4  # we are suppling only the 4 four bytes
        gif_gce[3] = 0x01  # this gif includes transparency
        gif_gce[4] = gif_gce[5] = 0  # animation frrame delay (unused)
        gif_gce[6] = 0  # transparent color is index 0
        gif_gce[7] = 0  # end of gif_gce
        gif_id = bytearray(10)
        gif_id[0] = 0x2c
        # byte 1,2 are image left. 3,4 are image top both are left as zerosuitsamus
        gif_id[5] = width
        gif_id[7] = height
        gif_id[9] = 0  # no local color table

        gif_img_minimum_code_size = bytes([7])  # we choose 7 bits, so that each pixel is represented by a byte, for conviennce.

        clear = 0x80
        stop = 0x81

        unchunked_image_data = bytearray(height * (width + 1) + 1)
        # we technically need a Clear code once every 125 bytes, but we do it at the start of every row for simplicity
        for row in range(height):
            unchunked_image_data[row * (width + 1)] = clear
        unchunked_image_data[-1] = stop

        def add_palette_color(index, color):
            gif_gct[3 * index] = color[0]
            gif_gct[3 * index + 1] = color[1]
            gif_gct[3 * index + 2] = color[2]

        def set_pixel_color_index(x, y, color):
            unchunked_image_data[y * (width + 1) + x + 1] = color

        callback(add_palette_color, set_pixel_color_index)

        def chunk_image(img):
            for i in range(0, len(img), 255):
                chunk = img[i:i + 255]
                yield bytes([len(chunk)])
                yield chunk

        gif_img = b''.join([gif_img_minimum_code_size] + list(chunk_image(unchunked_image_data)) + [b'\x00'])

        gif = b''.join([gif_header, gif_lsd, gif_gct, gif_gce, gif_id, gif_img, b'\x3b'])

        return gif

    gif_data = make_gif(draw_sprite_into_gif)
    if gif_only:
        return gif_data

    image = PhotoImage(data=gif_data)

    return image.zoom(2)


class ToolTips(object):
    # This class derived from wckToolTips which is available under the following license:

    # Copyright (c) 1998-2007 by Secret Labs AB
    # Copyright (c) 1998-2007 by Fredrik Lundh
    #
    # By obtaining, using, and/or copying this software and/or its
    # associated documentation, you agree that you have read, understood,
    # and will comply with the following terms and conditions:
    #
    # Permission to use, copy, modify, and distribute this software and its
    # associated documentation for any purpose and without fee is hereby
    # granted, provided that the above copyright notice appears in all
    # copies, and that both that copyright notice and this permission notice
    # appear in supporting documentation, and that the name of Secret Labs
    # AB or the author not be used in advertising or publicity pertaining to
    # distribution of the software without specific, written prior
    # permission.
    #
    # SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO
    # THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
    # FITNESS.  IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR
    # ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
    # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
    # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

    label = None
    window = None
    active = 0
    tag = None
    after_id = None

    @classmethod
    def getcontroller(cls, widget):
        if cls.tag is None:

            cls.tag = "ui_tooltip_%d" % id(cls)
            widget.bind_class(cls.tag, "<Enter>", cls.enter)
            widget.bind_class(cls.tag, "<Leave>", cls.leave)
            widget.bind_class(cls.tag, "<Motion>", cls.motion)
            widget.bind_class(cls.tag, "<Destroy>", cls.leave)

            # pick suitable colors for tooltips
            try:
                cls.bg = "systeminfobackground"
                cls.fg = "systeminfotext"
                widget.winfo_rgb(cls.fg)  # make sure system colors exist
                widget.winfo_rgb(cls.bg)
            except Exception:
                cls.bg = "#ffffe0"
                cls.fg = "black"

        return cls.tag

    @classmethod
    def register(cls, widget, text):
        widget.ui_tooltip_text = text
        tags = list(widget.bindtags())
        tags.append(cls.getcontroller(widget))
        widget.bindtags(tuple(tags))

    @classmethod
    def unregister(cls, widget):
        tags = list(widget.bindtags())
        tags.remove(cls.getcontroller(widget))
        widget.bindtags(tuple(tags))

    # event handlers
    @classmethod
    def enter(cls, event):
        widget = event.widget
        if not cls.label:
            # create and hide balloon help window
            cls.popup = tk.Toplevel(bg=cls.fg, bd=1)
            cls.popup.overrideredirect(1)
            cls.popup.withdraw()
            cls.label = tk.Label(
                cls.popup, fg=cls.fg, bg=cls.bg, bd=0, padx=2, justify=tk.LEFT
            )
            cls.label.pack()
            cls.active = 0
        cls.xy = event.x_root + 16, event.y_root + 10
        cls.event_xy = event.x, event.y
        cls.after_id = widget.after(200, cls.display, widget)

    @classmethod
    def motion(cls, event):
        cls.xy = event.x_root + 16, event.y_root + 10
        cls.event_xy = event.x, event.y

    @classmethod
    def display(cls, widget):
        if not cls.active:
            # display balloon help window
            text = widget.ui_tooltip_text
            if callable(text):
                text = text(widget, cls.event_xy)
            cls.label.config(text=text)
            cls.popup.deiconify()
            cls.popup.lift()
            cls.popup.geometry("+%d+%d" % cls.xy)
            cls.active = 1
            cls.after_id = None

    @classmethod
    def leave(cls, event):
        widget = event.widget
        if cls.active:
            cls.popup.withdraw()
            cls.active = 0
        if cls.after_id:
            widget.after_cancel(cls.after_id)
            cls.after_id = None

if __name__ == '__main__':
    main()