Merge pull request 'SoundManager' (#24) from SoundManager into main

Reviewed-on: #24

src/engine/engine.py

@@ -8,6 +8,7 @@ from src.engine.map_manager import MapManager
 from src.engine.menu_manager import MenuManager
 from src.engine.renderer import Renderer
 from src.engine.enums import GameState
+from src.engine.sound_manager import SoundManager
 import pygame
 
 
@@ -37,6 +38,7 @@ class Engine:
         self.event_sheduler = EventSheduler(self)
         self.dialogs_manager = DialogsManager(self.event_handler)
         self.menu_manager = MenuManager(self)
+        self.sound_manager = SoundManager(60)
 
     def loop(self):
         """Fonction à lancer au début du programme et qui va lancer les updates dans une boucle.
@@ -55,6 +57,7 @@ class Engine:
         self.event_handler.update()
         self.event_sheduler.update()
         self.dialogs_manager.update(0.016666666)
+        self.sound_manager.update(1/60)
 
     def stop(self):
         """Arrête le programme."""

src/engine/renderer.py

@@ -117,13 +117,17 @@ class Renderer:
 
         # Conteur de FPS en mode DEBUG
         if self.engine.DEBUG_MODE:
-            self.window.blit(font.SysFont("Arial", 20).render(f"FPS: {self.engine.clock.get_fps()}", True, (255, 0, 0)),
+            self.window.blit(font.SysFont("Arial", 20).render(f"FPS: {round(self.engine.clock.get_fps())}", True, (255, 0, 0)),
                              (0, 0))
             player = self.engine.entity_manager.get_by_name('player')
-            self.window.blit(font.SysFont("Arial", 20).render(f"X: {player.x} Y:{player.y}",
+            self.window.blit(font.SysFont("Arial", 20).render(f"X: {round(player.x, 2)} Y:{round(player.y, 2)}",
                                                               True, (255, 0, 0)), (0, 30))
-            self.window.blit(font.SysFont("Arial", 20).render(f"Zoom: {self.engine.camera.zoom}",
+            self.window.blit(font.SysFont("Arial", 20).render(f"Zoom: {round(self.engine.camera.zoom, 2)}",
                                                               True, (255, 0, 0)), (0, 60))
+            self.window.blit(font.SysFont("Arial", 20).render(f"Volume: {self.engine.sound_manager.music_get_volume()}, Pos: {self.engine.sound_manager.music_get_current_song_pos()}s, Index: {self.engine.sound_manager.music_current_index}, Paused: {self.engine.sound_manager.music_is_paused}",
+                                                              True, (255, 0, 0)), (0, 90))
+            self.window.blit(font.SysFont("Arial", 20).render(f"Track: {self.engine.sound_manager.music_current_song}",
+                                                              True, (255, 0, 0)), (0, 120))
 
             # On rend maintenant toutes les zones de détection de la fenêtre
             for area in self.engine.event_handler.buttons_area:

src/engine/sound_manager.py

@@ -0,0 +1,94 @@
+from pygame import mixer
+
+class SoundManager:
+    def __init__(self, music_base_volume: float):
+        self.__tick = 0 # Compteur de la valeur d'un tick sur 1 (Utilisé pour le comptage de tick)
+        self.time = 0 # Temps local a la class (en s)
+
+        self.music_playlist = []
+        self.music_current_song = ""
+        self.music_play_playlist = False
+        self.music_current_index = 0
+
+        self.music_before_pause_pos = 0
+        self.music_before_pause_song = ""
+        self.music_is_paused = False
+
+        self.music_pos_delay = 0
+
+        self.music_set_volume(music_base_volume)
+
+
+    def update(self, delta: float):
+        self.__tick += delta
+        self.tick = int(self.__tick / delta)
+        self.time = self.tick * delta
+
+        if self.music_play_playlist and not self.music_is_paused: # Musique de fond
+            if not mixer.music.get_busy():
+                
+                if len(self.music_playlist) == 0:
+                    pass
+                elif self.music_current_song == "":
+                    self.__music_play(self.music_playlist[0])
+                else:
+                    just_played_index = self.music_playlist.index(self.music_current_song)
+                    if len(self.music_playlist) - 1 <= just_played_index: # Dernier son de la playlist / la playlist a rétréci entre temps
+                        self.music_current_index = 0
+                        self.__music_play(self.music_playlist[0]) # Recommence depuis le début de la playlist
+                    else:
+                        self.music_current_index = just_played_index + 1
+                        self.__music_play(self.music_playlist[self.music_current_index]) # Joue la musique suivante dans la playlist
+
+
+    def music_get_volume(self):
+        return mixer.music.get_volume() * 100
+
+    def music_set_volume(self, new_volume: float):
+        """Définit le nouveau volume de la musique"""
+        mixer.music.set_volume((round(new_volume / 100, 3)))
+    
+    def music_pause(self, fade_s: float, restart_tolerance: float = 33):
+        """Met en pause la musique, la musique reprendra à la fin de la musique moin la tolérance (en pourcentage)"""
+        self.music_is_paused = True
+        self.music_before_pause_pos = self.music_get_current_song_pos() + fade_s * restart_tolerance / 100 # Récupère la position a laquelle le son doit reprendre lors du .resume()
+        self.music_before_pause_song = self.music_current_song
+        
+        mixer.music.fadeout(fade_s * 1000)
+
+    def music_resume(self, fade_s: float):
+        self.__music_play(self.music_before_pause_song, fade_s, self.music_before_pause_pos)
+        self.music_before_pause_pos = 0
+        self.music_before_pause_song = ""
+
+
+    def music_get_current_song_pos(self):
+        if mixer.music.get_busy():
+            return round(mixer.music.get_pos() /1000 + self.music_pos_delay, 3)
+        else:
+            return round(self.music_before_pause_pos, 3)
+    
+
+    def __music_play(self, song: str, fade_s: float = 0, start_at: float = 0):
+        mixer.music.unload()
+        mixer.music.load(song)
+        mixer.music.play(0, start_at, fade_s * 1000)
+
+        self.music_is_paused = False
+        self.music_current_song = song
+        self.music_pos_delay = start_at
+
+    def music_add_to_playlist(self, song_path: str):
+        self.music_playlist.append(song_path)
+    
+    def music_remove_from_playlist(self, song_path: str = None, index: int = None):
+        if song_path:
+            index = self.music_playlist.index(song_path)
+        if index:
+            self.music_playlist.pop(index)
+
+    def music_start_playlist(self):
+        self.music_play_playlist = True
+    
+    def music_stop_playlist(self):
+        self.music_play_playlist = False