from gamedata.objects.base import BaseObject

class TilesetRenderer(BaseObject):

    def __init__(self,x,y,game,mapfoldername):

        super().__init__(x,y,game)

        self.tilew = 64
        self.tileh = 64

        self.level = game.levels_lib[mapfoldername]
        self.reinit(self.level)

        self.bg = game.sprite_lib["fallbackground.png"]
        if self.level["background"]:
            self.bg = self.level["background"]

    def draw(self):
        self.game.window.blit(self.game.pygame.transform.scale(self.bg,(self.game.globals["cameraw"],self.game.globals["camerah"])),[0,0])
        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"]))

    def reinit(self,level):
        json = level["data"]
        name = level["name"]
        self.rects = []
        self.layers = []
        self.spawns = [[self.game.DISPLAY_WIDTH//2,self.game.DISPLAY_HEIGHT//2]] # Valeur par défaut
        if "layers" in json.keys() and type(json["layers"]).__name__=="list":
            solidlayer = False
            for layer in json["layers"]:
                #try:
                if True:
                    if layer["name"] == "Solids" and "entities" in layer.keys() : # Je trouve les collisions
                        solidlayer = layer
                    elif layer["name"] == "Spawns" and "entities" in layer.keys() : # Je trouve les spawns
                        if len(layer["entities"])>0:
                            self.spawns = [] # J'enlève la valeur par défaut
                        for entity in layer["entities"]:
                            x,y = entity["x"],entity["y"]
                            w,h = layer["gridCellWidth"],layer["gridCellHeight"]
                            if "width" in entity.keys():
                                w = entity["width"]
                            if "height" in entity.keys():
                                h = entity["height"]
                            self.spawns.append(self.game.pygame.Rect((x,y,w,h)))

                    else: # J'ajoute un layer de tiles
                        tileset = level["tilesets"][layer["tileset"]]
                        tilew,tileh = layer["gridCellWidth"],layer["gridCellHeight"]
                        tileoffx,tileoffy = layer["offsetX"],layer["offsetY"]
                        nbtilesx,nbtilesy = layer["gridCellsX"],layer["gridCellsY"]
                        storedlayer = {"offsets":[tileoffx,tileoffy]}
                        surface = self.game.pygame.Surface((tilew*nbtilesx,tileh*nbtilesy),flags=self.game.pygame.SRCALPHA)
                        for y in range(len(layer["dataCoords2D"])):
                            for x in range(len(layer["dataCoords2D"][y])):
                                coords = layer["dataCoords2D"][y][x]
                                if len(coords)>1:
                                    areatocopy = [coords[0]*tilew,coords[1]*tileh,tilew,tileh]
                                    surface.blit(tileset,(x*tilew,y*tileh),area=areatocopy)
                        storedlayer["surface"] = surface
                        self.layers.append(storedlayer)
                #except:
                else:
                    self.game.log("Erreur",name,"Les layers sont invalides")
            if solidlayer: # Je crée les collisions
                if "gridCellWidth" in solidlayer.keys() and "gridCellHeight" in solidlayer.keys():
                    self.solidtilew = solidlayer["gridCellWidth"]
                    self.solidtileh = solidlayer["gridCellHeight"]
                else:
                    self.solidtilew,self.solidtileh = 32,32
                    self.game.log("Erreur",name,"Pas de taille de tiles précisée, défaut à 32x32")
                for entity in solidlayer["entities"]:
                    try:
                        x,y = entity["x"],entity["y"]
                        w,h = self.solidtilew,self.solidtileh
                        if "width" in entity.keys():
                            w = entity["width"]
                        if "height" in entity.keys():
                            h = entity["height"]
                        self.rects.append(self.game.pygame.Rect(x,y,w,h))
                    except:
                        self.game.log("Erreur",name,"Propriétés invalides")
            else:
                self.game.log("Erreur",name,"Il manque les collisions, Entity Layer nommé Solids")

        else:
            self.game.log("Erreur",name,"Pas de layers")