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game_state.gd
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game_state.gd
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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