extends Node

const World = preload("res://world.tscn")

const Intro = preload("res://UI/Intro/intro.tscn")

signal life_change(current_life:int, max_life:int)

signal hit_received()

signal system_message(text:String)

enum Difficulty {Easy, Normal, Hard}

enum Level {Prototype, Courtyard, Entrance, EastTower, SacrificeChamber, CenterCourt, DoubleTrigger,

SimpleCorridor, WaterCorridor, RaceCube, MageBoss, RaceAgainstFire,

OneCubeRace, SkeletonBoss, FlyAway, RaceToTheTop, HerosShadow, LastFight}

var Levels = {

Level.Prototype: preload("res://Levels/level-prototype.tscn"),

Level.Courtyard: preload("res://Levels/level_01_courtyard.tscn"),

Level.Entrance: preload("res://Levels/level_02_entrance.tscn"),

Level.EastTower: preload("res://Levels/level_03_east_tower.tscn"),

Level.SacrificeChamber: preload("res://Levels/level_04_sacrifice_chamber.tscn"),

Level.CenterCourt: preload("res://Levels/level_05_center_court.tscn"),

Level.DoubleTrigger: preload("res://Levels/level_06_double_trigger.tscn"),

Level.SimpleCorridor: preload("res://Levels/level_07_simple_corridor.tscn"),

Level.WaterCorridor: preload("res://Levels/level_08_water_corridor.tscn"),

Level.RaceCube: preload("res://Levels/level_09_race_cube.tscn"),

Level.MageBoss: preload("res://Levels/level_10_mage_boss.tscn"),

Level.RaceAgainstFire: preload("res://Levels/level_11_race_against_fire.tscn"),

Level.OneCubeRace: preload("res://Levels/level_12_one_cube_race.tscn"),

Level.SkeletonBoss: preload("res://Levels/level_13_skeleton_boss.tscn"),

Level.FlyAway: preload("res://Levels/level_14_fly_away.tscn"),

Level.RaceToTheTop: preload("res://Levels/level_15_to_the_top.tscn"),

Level.HerosShadow: preload("res://Levels/level_16_heros_shadow.tscn"),

Level.LastFight: preload("res://Levels/level_17_last_fight.tscn"),

}

var debug := false

var skip_splash := debug or false

var skip_intro := debug or false

var web_instantiated := false

var heart_drop_rate := 0.2

# game data

var current_level := Level.Courtyard

var last_portal_location := Portal.DoorIndex.West

var visited_dracula_entrance := debug or false

var visited_dracula_center := debug or false

var visited_dracula_ending := debug or false

var opened_center_court_door := debug or false

var difficulty := Difficulty.Normal

var max_life := 6 if debug else 3

var current_life := 6 if debug else 3

var current_gems = [debug or false, debug or false, debug or false, debug or false] # green: float, blue: swim, purple: dodge, yellow: shield

var gems_inserted = [false, false, false, false]

var level_2_heart_collected := false

var level_3_heart_collected := false

var level_14_heart_collected := false

var music_volume := 8

var sound_volume := 8

var is_screen_shake_enabled := true

var is_starting_game_from_load_file := false

var callback_after_pause : Callable

const DEFAULT_COLOR = "e0a57d"

const SELECTION_COLOR = "f2e4a2"

const DISABLED_COLOR = "cccccc"

const SAVE_FILE_LOCATION := "user://merlin.data"

const SETTINGS_FILE_LOCATION := "user://merlin-settings.data"

func start_game():

var world = World.instantiate()

get_parent().add_child(world)

func reset_game():

current_level = Level.Courtyard

last_portal_location = Portal.DoorIndex.West

visited_dracula_entrance = debug or false

visited_dracula_center = debug or false

visited_dracula_ending = debug or false

opened_center_court_door = debug or false

difficulty = Difficulty.Normal

max_life = 6 if debug else 3

current_life = 6 if debug else 3

current_gems = [debug or false, debug or false, debug or false, debug or false] # green: float, blue: swim, purple: dodge, yellow: shield

gems_inserted = [false, false, false, false]

level_2_heart_collected = false

level_3_heart_collected = false

level_14_heart_collected = false

func continue_game():

load_game()

func quit_to_menu():

var intro = Intro.instantiate()

GameState.skip_splash = true

get_parent().add_child(intro)

func save_game():

var save_data = {

"current_level": current_level,

"last_portal_location": last_portal_location,

"visited_dracula_entrance": visited_dracula_entrance,

"visited_dracula_center": visited_dracula_center,

"visited_dracula_ending": visited_dracula_ending,

"opened_center_court_door": opened_center_court_door,

"max_life": max_life,

"difficulty": difficulty,

"current_life": current_life,

"current_gems": current_gems,

"gems_inserted": gems_inserted,

"level_2_heart_collected": level_2_heart_collected,

"level_3_heart_collected": level_3_heart_collected,

"level_14_heart_collected": level_14_heart_collected,

}

var file = FileAccess.open(GameState.SAVE_FILE_LOCATION, FileAccess.WRITE)

file.store_line(var_to_str(save_data))

func save_settings_to_file():

var save_data = {

"sound_volume": sound_volume,

"music_volume": music_volume,

"is_screen_shake_enabled": visited_dracula_entrance,

}

var file = FileAccess.open(GameState.SETTINGS_FILE_LOCATION, FileAccess.WRITE)

file.store_line(var_to_str(save_data))

func load_game():

var file = FileAccess.open(GameState.SAVE_FILE_LOCATION, FileAccess.READ)

var content = file.get_as_text()

var game_data = str_to_var(content)

current_level = game_data["current_level"]

difficulty = game_data["difficulty"]

last_portal_location = game_data["last_portal_location"]

visited_dracula_entrance = game_data["visited_dracula_entrance"]

visited_dracula_center = game_data["visited_dracula_center"]

visited_dracula_ending = game_data["visited_dracula_ending"]

opened_center_court_door = game_data["opened_center_court_door"]

max_life = game_data["max_life"]

current_life = game_data["current_life"]

current_gems = game_data["current_gems"]

gems_inserted = game_data["gems_inserted"]

level_2_heart_collected = game_data["level_2_heart_collected"]

level_3_heart_collected = game_data["level_3_heart_collected"]

level_14_heart_collected = game_data["level_14_heart_collected"]

var world = World.instantiate()

world.upcoming_destination_address = last_portal_location

get_parent().add_child(world)

func load_settings_from_file():

var file = FileAccess.open(GameState.SETTINGS_FILE_LOCATION, FileAccess.READ)

if file == null:

return

var content = file.get_as_text()

var game_data = str_to_var(content)

sound_volume = game_data["sound_volume"]

music_volume = game_data["music_volume"]

AudioServer.set_bus_volume_db(1, linear_to_db(music_volume / 10.0))

AudioServer.set_bus_volume_db(2, linear_to_db(sound_volume / 10.0))

is_screen_shake_enabled = game_data["is_screen_shake_enabled"]

func set_difficulty_level(level: Difficulty) -> void:

reset_game()

difficulty = level

if difficulty == Difficulty.Easy:

max_life = 5

current_life = 5

elif difficulty == Difficulty.Hard:

max_life = 2

current_life = 2

func increase_volume_music():

if music_volume < 10:

music_volume = 1

AudioServer.set_bus_volume_db(1, linear_to_db(music_volume / 10.0))

GameSounds.play(GameSounds.Sound.MenuNav)

func decrease_volume_music():

if music_volume > 0:

music_volume -= 1

AudioServer.set_bus_volume_db(1, linear_to_db(music_volume / 10.0))

GameSounds.play(GameSounds.Sound.MenuNav)

func increase_volume_sound():

if sound_volume < 10:

sound_volume = 1

AudioServer.set_bus_volume_db(2, linear_to_db(sound_volume / 10.0))

GameSounds.play(GameSounds.Sound.MenuNav)

func decrease_volume_sound():

if sound_volume > 0:

sound_volume -= 1

AudioServer.set_bus_volume_db(2, linear_to_db(sound_volume / 10.0))

GameSounds.play(GameSounds.Sound.MenuNav)

func deal_hero_damage(dmg:int) -> void:

current_life -= dmg

if current_life < 0:

current_life = 0

emit_signal("life_change", current_life, max_life)

func gain_treasure(treasure:TreasureChest.Content) -> void:

if treasure == TreasureChest.Content.LifePotion:

max_life = 1

current_life = max_life

emit_signal("life_change", current_life, max_life)

GameMusic.play_track(GameMusic.Track.Gameplay, false)

else:

current_gems[treasure] = true

current_life = max_life

emit_signal("life_change", current_life, max_life)

func new_life() -> void:

current_life = max_life

emit_signal("life_change", current_life, max_life)

func can_increase_life() -> bool:

return current_life < max_life

func increase_life() -> void:

if can_increase_life():

current_life = 1

emit_signal("life_change", current_life, max_life)

func add_to_level(obj) -> void:

var level = get_tree().get_first_node_in_group("level")

level.call_deferred("add_child", obj)

func show_system_message(text:Array[String], callback:Callable) -> void:

callback_after_pause = callback

emit_signal("system_message", text)

func resume_play() -> void:

if callback_after_pause != null:

callback_after_pause.call()

callback_after_pause = func():

pass

func get_nb_gems_acquired() -> int:

var i := 0

for j in range(current_gems.size()):

if current_gems[j]:

i = 1

return i

func has_all_gems() -> bool:

for has_gem in current_gems:

if not has_gem:

return false

return true