Added time delta

src/gameUtils/base.py

@@ -2,9 +2,11 @@ import tomllib
 import time
 
 import NoPELib
+import pygame
 
 from .events import Timeout
 from .anim import AnimatedObject
+from .utils import centre
 
 class Game:
     def __init__(self, surface):
@@ -18,8 +20,21 @@ class Game:
         with open('./game.toml', 'r') as f:
             self.cfg = tomllib.loads(f.read())
 
-        self.surf = surface
+        # The surface that gets drawn by the launcher.
+        # Contains the game surface, and overlays.
+        self._surf = surface
+        # The games serface
+        self.surf = pygame.Surface(self._surf.size)
         self.size = self.surf.size
+        # Used for time delta, stores when the last frame was drawn
+        self._lastFrame = time.perf_counter()
+        # How many seconds it's been between frames
+        self.timeDelta = 0
+        # Pre-render semi-transparent black surface
+        self._dimSurf = pygame.Surface(self._surf.size)
+        self._dimSurf.set_alpha(128)
+        pygame.draw.rect(self._dimSurf, (50, 50, 50), (0, 0, self.size[0], self.size[1]))
+
         self.pm = NoPELib.PlayersManager(self.cfg['name'], playersPath='../players.json')
         # Holds all the timeouts that haven't been fired yet
         self._timeouts = []
@@ -50,7 +65,17 @@ class Game:
         if not self._haltUpdate:
             self.update()
 
-        # TODO: Draw things like debug menu, etc.
+        # Draw the game surface onto the main surface
+        self._surf.blit(self.surf, (0, 0))
+
+        # If there's a popup
+        if self._popupMenu is not None:
+            # Dim the screen
+            self._surf.blit(self._dimSurf, (0, 0))
+            self._surf.blit(centre(self._popupMenu, self.size), (0, 0))
+
+        self.timeDelta = time.perf_counter() - self._lastFrame
+        self._lastFrame = time.perf_counter()
 
     def onEvent(self, event):
         """
@@ -66,6 +91,12 @@ class Game:
         if not self._haltEvents:
             self.onEvent(event)
         
+        if event.type == pygame.KEYDOWN and self._popupMenu is not None:
+            if event.key == 13 and event.mod & 0b10000000: # R-CTRL + ENTER
+                self._popupMenu = None
+                self._haltUpdate = False
+                self._haltEvents = False
+
     def close(self):
         """
         Intended to be overridden by the game developer.
@@ -110,23 +141,37 @@ class Game:
 
         return any(timeout.timeoutID == timeoutID for timeout in self._timeouts)
 
-    def popup(self, title: str, text: str, haltUpdate: bool=False, haltEvents: bool=True):
+    def popup(self, title: str, message: str, haltUpdate: bool=False, haltEvents: bool=True):
         """
         Pops up a dialogue box.
 
         Args:
             title (str): The big "title" text to be displayed.
-            text (str): The main body text to be displayed.
+            message (str): The main body text to be displayed.
             haltUpdate (bool): If True, the games update() method will not be called until
                                the popup is dismissed. Default: False.
             haltEvents (bool): If True, the games onEvent() method will not be called until
                                the popup is dismissed. Default: True.
         """
 
+        POPUP_MARGINS = 10
+        FONT_BIG = pygame.font.SysFont('', 50)
+        FONT_NORM = pygame.font.SysFont('', 32)
+
+        titleSurf = FONT_BIG.render(title, True, (128, 128, 128))
+        messageSurf = FONT_NORM.render(message, True, (128, 128, 128))
+
+        w = max(titleSurf.get_width(), messageSurf.get_width())
+        w += POPUP_MARGINS*2
+        h = titleSurf.get_height() + messageSurf.get_height()
+        h += POPUP_MARGINS*3
+
         self._haltUpdate = haltUpdate
         self._haltEvents = haltEvents
-
-
+        self._popupMenu = pygame.Surface((w, h))
+        self._popupMenu.fill((0, 0, 0))
+        self._popupMenu.blit(centre(titleSurf, (w, titleSurf.get_height())), (0, POPUP_MARGINS))
+        self._popupMenu.blit(centre(messageSurf, (w, messageSurf.get_height())), (0, titleSurf.get_height()+POPUP_MARGINS*2))
 
     def punish(self, player, intensity: float):
         """

src/gameUtils/utils.py

@@ -12,11 +12,10 @@ def centre(surface: pygame.Surface, size: tuple[int, int]) -> pygame.Surface:
         pygame.Surface
     """
 
-    surf = pygame.Surface(size)
+    surf = pygame.Surface(size, pygame.SRCALPHA, 32)
     offX = surf.size[0]//2 - surface.size[0]//2
     offY = surf.size[1]//2 - surface.size[1]//2
 
     surf.blit(surface, (offX, offY))
 
     return surf
-