level.py

import pygame
import constants as SOKOBAN

class Level:
    def __init__(self, level_to_load):
        self.last_structure_state = None
        self.load(level_to_load)

    def load(self, level):
        self.structure = []
        max_width = 0
        with open("assets/sokobanLevels/test" + str(level) + ".txt") as level_file:
            rows = level_file.read().split('\n')

            for y in range(len(rows)):
                level_row = []
                if len(rows[y]) > max_width:
                    max_width = len(rows[y])

                for x in range(len(rows[y])):
                    if rows[y][x] == ' ':
                        level_row.append(SOKOBAN.AIR)
                    elif rows[y][x] == '#':
                        level_row.append(SOKOBAN.WALL)
                    elif rows[y][x] == 'B':
                        level_row.append(SOKOBAN.BOX)
                    elif rows[y][x] == '.':
                        level_row.append(SOKOBAN.TARGET)
                    # elif rows[y][x] == '+':
                    #     level_row.append(SOKOBAN.TARGET)
                        # self.position_player = [x,y]
                    elif rows[y][x] == 'X':
                        level_row.append(SOKOBAN.TARGET_FILLED)
                    elif rows[y][x] == '&':
                        level_row.append(SOKOBAN.AIR)
                        self.position_player = [x,y]
                self.structure.append(level_row)

        self.width = max_width * SOKOBAN.SPRITESIZE
        self.height = (len(rows) - 1) * SOKOBAN.SPRITESIZE

    def cancel_last_move(self, player, interface):
        if self.last_structure_state:
            self.structure = self.last_structure_state
            player.pos = self.last_player_pos
            interface.colorTxtCancel = SOKOBAN.GREY
            self.last_structure_state = None
        else:
            print("No previous state")

    def render(self, window, textures):
        for y in range(len(self.structure)):
            for x in range(len(self.structure[y])):
                if self.structure[y][x] in textures:
                    window.blit(textures[self.structure[y][x]], (x * SOKOBAN.SPRITESIZE, y * SOKOBAN.SPRITESIZE))
                else:
                    if self.structure[y][x] == SOKOBAN.TARGET_FILLED:
                        pygame.draw.rect(window, (0,255,0), (x * SOKOBAN.SPRITESIZE, y * SOKOBAN.SPRITESIZE, SOKOBAN.SPRITESIZE, SOKOBAN.SPRITESIZE))
                    else:
                        pygame.draw.rect(window, SOKOBAN.WHITE, (x * SOKOBAN.SPRITESIZE, y * SOKOBAN.SPRITESIZE, SOKOBAN.SPRITESIZE, SOKOBAN.SPRITESIZE))