Added parallax to backgrounds

gamedata/game.py

@@ -36,8 +36,9 @@ class Game():
             mapdico = {}
             mapdico["name"] = mapfolder.split(os.sep)[-1]
             mapdico["cover"] = None
-            mapdico["background"] = None
+            mapdico["backgrounds"] = []
             mapdico["data"] = None
+            mapdico["filler"] = None
             mapdico["tilesets"] = {}
             scanner = os.scandir(path=mapfolder)
             for i in scanner: # Je check tout les fichiers du dossier
@@ -46,10 +47,12 @@ class Game():
                     if name.endswith(".png"):
                         if name=="cover.png":
                             mapdico["cover"] = pygame.image.load(i.path)
-                        elif name=="background.png":
+                        elif name.startswith("background"):
-                            mapdico["background"] = pygame.image.load(i.path)
+                            mapdico["backgrounds"].append({"sprite":pygame.image.load(i.path).convert_alpha(),"name":i.path})
+                        elif name=="filler.png":
+                            mapdico["filler"] = pygame.image.load(i.path).convert_alpha()
                         else:
-                            mapdico["tilesets"][i.name] = pygame.image.load(i.path)
+                            mapdico["tilesets"][i.name] = pygame.image.load(i.path).convert_alpha()
                 except:
                     self.log("Erreur",mapfolder,name,"Fichier invalide")
                 if name=="map.json":
@@ -59,6 +62,7 @@ class Game():
                     except:
                         self.log("Erreur",mapfolder,name)
             if mapdico["data"]:
+                mapdico["backgrounds"].sort(key=lambda x: x["name"])
                 return mapdico
             return None
 

gamedata/objects/combat/tileset.py

@@ -16,9 +16,11 @@ class TilesetRenderer(BaseObject):
         self.level = game.levels_lib[mapfoldername]
         self.reinit(self.level)
 
-        self.bg = game.sprite_lib["fallbackground.png"]
+        self.bgs = [game.sprite_lib["fallbackground.png"]]
-        if self.level["background"]:
+        if len(self.level["backgrounds"]):
-            self.bg = self.level["background"]
+            self.bgs = self.level["backgrounds"]
+
+        self.bgoffset = self.layers[0]["surface"].get_height()/2-self.game.globals["camerah"]
 
     def step(self):
         # Spawning ennemies
@@ -28,7 +30,25 @@ class TilesetRenderer(BaseObject):
             self.game.gameloop.summon(e)
 
     def draw(self):
-        self.game.window.blit(self.game.pygame.transform.scale(self.bg,(self.game.globals["cameraw"],self.game.globals["camerah"])),[0,0])
+        wratio = self.game.globals["cameraw"]/self.game.DISPLAY_WIDTH
+        hratio = self.game.globals["camerah"]/self.game.DISPLAY_HEIGHT
+        lastoffset = 0
+        for i,bg in enumerate(self.bgs):
+            ratio = 1-(len(self.bgs)-i)/len(self.bgs)
+            width, height = round(bg["sprite"].get_width()*wratio),round(bg["sprite"].get_height()*hratio)
+            sprite = self.game.pygame.transform.scale(bg["sprite"],(width,height))
+            nbs = self.game.globals["cameraw"]/width
+            lastoffset = self.rect[1]+(self.bgoffset-self.game.globals["cameray"])*ratio
+            for i in range(round(nbs+0.5)):
+                self.game.window.blit(sprite,[(-self.game.globals["camerax"]*ratio)%width+(i-1)*width,lastoffset])
+        # Draw filler
+        if self.level["filler"]:
+            filleroffset = lastoffset+height
+            self.game.window.blit(self.level["filler"],[0,filleroffset])
+        # Separator
+        sep = self.game.pygame.transform.scale(self.game.sprite_lib["backgroundseparator.png"],[self.game.globals["cameraw"],self.game.globals["camerah"]])
+        self.game.window.blit(sep,[0,0])
+        # Layers
         for layer in self.layers:
             self.game.window.blit(layer["surface"],(layer["offsets"][0]-self.game.globals["camerax"],layer["offsets"][1]-self.game.globals["cameray"]))