How to make a walljump + move between rooms ?

[dMn420]

I've searched and nothing seemd to work. I will copy all the code, becuse there is no much of it and you can check it yourself if you need.
If you know How can I learn to ad even more mechanics like dash or stamina I will really appreciate it.

I've posted twice becuse I could't edit prevoius post and I have'nt seen this python function.

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import pygame, sys   clock = pygame.time.Clock()   from pygame.locals import *   pygame.init()  # initiates pygame   pygame.display.set_caption('Pygame Platformer')   WINDOW_SIZE = (600, 400)   screen = pygame.display.set_mode(WINDOW_SIZE, 0, 32)  # initiate the window   display = pygame.Surface((300, 200))  # used as the surface for rendering, which is scaled   moving_right = False moving_left = False vertical_momentum = 0 air_timer = 0   game_map = [['1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',],             ['1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',],             ['1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',],             ['1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',],             ['1', '0', '0', '0', '0', '0', '0', '2', '2', '2', '2', '2', '0', '0', '0', '0', '0', '0', '0',],             ['1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0',],             ['1', '2', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '2', '2',],             ['1', '1', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '1', '1',],             ['1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1',],             ['1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1',],             ['1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1',],             ['1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1',],             ['1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1',]]   grass_img = pygame.image.load('grass.png') dirt_img = pygame.image.load('dirt.png')   player_img = pygame.image.load('player.png').convert() player_img.set_colorkey((255, 255, 255))   player_rect = pygame.Rect(100, 100, 5, 13)   def collision_test(rect, tiles):     hit_list = []     for tile in tiles:         if rect.colliderect(tile):             hit_list.append(tile)     return hit_list     def move(rect, movement, tiles):     collision_types = {'top': False, 'bottom': False, 'right': False, 'left': False}     rect.x += movement[0]     hit_list = collision_test(rect, tiles)     for tile in hit_list:         if movement[0] > 0:             rect.right = tile.left             collision_types['right'] = True         elif movement[0] < 0:             rect.left = tile.right             collision_types['left'] = True     rect.y += movement[1]     hit_list = collision_test(rect, tiles)     for tile in hit_list:         if movement[1] > 0:             rect.bottom = tile.top             collision_types['bottom'] = True         elif movement[1] < 0:             rect.top = tile.bottom             collision_types['top'] = True       return rect, collision_types     while True:  # game loop     display.fill((146, 244, 255))  # clear screen by filling it with blue       tile_rects = []     y = 0     for layer in game_map:         x = 0         for tile in layer:             if tile == '1':                 display.blit(dirt_img, (x * 16, y * 16))             if tile == '2':                 display.blit(grass_img, (x * 16, y * 16))             if tile != '0':                 tile_rects.append(pygame.Rect(x * 16, y * 16, 16, 16))             x += 1         y += 1       player_movement = [0, 0]     if moving_right == True:         player_movement[0] += 2     if moving_left == True:         player_movement[0] -= 2     player_movement[1] += vertical_momentum     vertical_momentum += 0.2     if vertical_momentum > 3:         vertical_momentum = 3       player_rect, collisions = move(player_rect, player_movement, tile_rects)       if collisions['bottom'] == True:         air_timer = 0         vertical_momentum = 0     else:         air_timer += 1       display.blit(player_img, (player_rect.x, player_rect.y))       for event in pygame.event.get():  # event loop         if event.type == QUIT:             pygame.quit()             sys.exit()         if event.type == KEYDOWN:             if event.key == K_RIGHT:                 moving_right = True             if event.key == K_LEFT:                 moving_left = True             if event.key == K_UP:                 if air_timer < 6:                     vertical_momentum = -5         if event.type == KEYUP:             if event.key == K_RIGHT:                 moving_right = False             if event.key == K_LEFT:                 moving_left = False       screen.blit(pygame.transform.scale(display, WINDOW_SIZE), (0, 0))     pygame.display.update()     clock.tick(60)

[SheeppOSU]

A dash would simply be the player moving maybe 4-6 times the usual pixels. For Stamina, just have a stamina variable and if it reaches 0, they can't move or if it get's low they move slower (half the usual pixels). One last thing, if you have a player, you should make a player class and give the class all the attributes of a player and functions such as move and draw. Then execute the draw and move functions from the game loop. Hope this helps!

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For moving between rooms, I either have the player touch the side of the screen, or touch a door/exit