feat(save_level): now displays a alert with filename

alert.py

@@ -0,0 +1,40 @@
+import pygame
+import pygame.freetype
+import threading
+from time import sleep
+
+class Alert():
+    def __init__(self, text, display):
+        self.text = text
+
+        font = pygame.freetype.Font(None, 24)
+        font_fg = (255, 255, 255)
+        font_bg = (255, 255, 255, 120)
+
+        text_image = font.render(text, font_fg)[0]
+
+        self.background = pygame.Surface((text_image.get_width() + 12, text_image.get_height() + 12), pygame.SRCALPHA)
+        self.background.fill(font_bg)
+
+        self.rect = self.background.get_rect()
+        text_rect = text_image.get_rect(center = self.rect.center)
+
+        self.background.blit(text_image, text_rect)
+
+        self.rect.topleft = (display.get_width() / 2 - self.background.get_width() / 2, display.get_height() - self.background.get_height() - 8)
+
+    def draw(self, surface):
+        surface.blit(self.background, self.rect)
+
+    def start_hide_thread(self, alerts, delay):
+        def hide_delay(delay):
+            sleep(delay)
+
+            try:
+                alerts.pop(alerts.index(self))
+            except ValueError:
+                pass
+
+        p = threading.Thread(target=hide_delay, args=(delay,))
+        p.daemon = True
+        p.start()

levels.py

@@ -43,9 +43,11 @@ def save_level(level):
     level_save = save_level_to_string(level)
 
     unix_timestamp = int(time())
-    save = open(f"./levels/{unix_timestamp}.p3hel", "w")
+    filename = f'{unix_timestamp}.p3hel'
+    save = open(f"./levels/{filename}", "w")
     save.write(level_save)
     save.close()
+    return filename
 
 def open_level(path):
     save = open(path, "r")

main.py

@@ -2,7 +2,6 @@
 from numba import jit
 
 from math import copysign, pi, acos
-from time import time
 
 import pygame
 import pygame.freetype
@@ -12,6 +11,7 @@ from gyro import *
 from levels import *
 from constants import *
 from draw import draw
+from alert import Alert
 
 bCap = True
 
@@ -39,8 +39,6 @@ def renderDebugInfo(gPlayer, clock, fontSize = 18):
 
     return fps_surf, cPos_surf, cRot_surf
 
-
-
 def mainLoop():
     gPlayer = GyroVector(0,1)
     display = pygame.display.set_mode((1280,720))
@@ -48,6 +46,14 @@ def mainLoop():
     fontSize = 18
     debugInfo = True
     wall_buffer = []
+    alerts = []
+
+    def alert_append(alert, delay):
+        if len(alerts) >= 1:
+            alerts.pop()
+
+        alerts.append(alert)
+        alert.start_hide_thread(alerts, delay)
 
     while True:
         for event in pygame.event.get():
@@ -69,7 +75,11 @@ def mainLoop():
                     else:
                         wall_buffer.append(gPlayer.cPos)
                 if event.key == pygame.K_F5:
-                    save_level(level)
+                    filename = save_level(level)
+                    alert = Alert(f"File saved as {filename}", display)
+
+                    alert_append(alert, 5)
+
                 if event.key == pygame.K_F9:
                     # TODO: @bedohswe make open file dialog
                     # open_level(path)
@@ -112,6 +122,9 @@ def mainLoop():
             c = complex(Poincare2Klein(gPlayer.cPos))
             pygame.draw.rect(display, WHITE, (c.real * 100 + 95, (c.imag * 100 + 195), 10, 10))
 
+        for alert in alerts:
+            alert.draw(display)
+
         pygame.display.update()
         if bCap:
             clock.tick(60)