class GameSession(object):
"""A session of playing the game."""
def __init__(self, screen):
self.screen = screen
w, h = self.screen.get_size()
pygame.draw.rect(self.screen, (0,0,0), pygame.Rect(0,0,w,h))
self.world = World(10, 10, self.screen)
def newGame(self):
pygame.mixer.stop()
self.world.resetWorld()
self.world.genWorld(5, 5)
self.player = Player(*self.world.getStartPoint())
# get enemy's random position
pntLs = self.world.getPntList()
# put enemy somewhere > 5 hallways away from player to start with
xPlayer, yPlayer = self.world.getClosestIntersectPoint(self.player)
enemyStartPositions = [p for p in pntLs if abs(p[0]-xPlayer)>4 or abs(p[1]-yPlayer)>4]
pnt = random.choice(pntLs if len(enemyStartPositions)==0 else enemyStartPositions)
xl, yu, xr, yd = self.world.getIntersectBoundingBox(pnt)
px, py = ((xl+xr)/2, (yu+yd)/2)
self.enemy = Enemy(px, py, self.world)
self.flashlight = Flashlight(self.screen, 1) # flashlight w/ range of 1 radian
self.keys = None
self.xCam = 0
self.yCam = 0
self.messages = ["iloveyou","yourhairsmellsnice","stop","imscared","canyouhearme?","youcantleave"]
self.startTime = time.clock() # time since last message started / removed
self.currentMessage = None
def startGame(self):
"""Start session of playing game."""
beatLevel = True
currentLevel = 0
while beatLevel:
beatLevel = self.startLevel()
if beatLevel: currentLevel += 1
return currentLevel
def startLevel(self):
"""Start play of a level. Returns True if player got to end, False if killed by enemy or player quit."""
self.newGame()
# make transition effect to new level
prevScreen = pygame.Surface(self.screen.get_size())
prevScreen.blit(self.screen, (0,0))
self.keys = pygame.key.get_pressed()
self.update()
self.render()
self.renderTransition(prevScreen, self.screen)
wasESCPressed = False # was ESC pressed last turn
paused = False
while not self.keys[pygame.K_q]:
self.keys = pygame.key.get_pressed()
if not self.keys[pygame.K_ESCAPE] and wasESCPressed: # invert whether paused or not if escape pressed + released
paused = not paused
if paused: pygame.mixer.pause()
else: pygame.mixer.unpause()
if paused:
self.renderPause()
else:
self.update()
self.render()
wasESCPressed = self.keys[pygame.K_ESCAPE]
if (-10 < self.enemy.xPos-self.player.xPos < 10) and (-10 < self.enemy.yPos-self.player.yPos < 10):
# enemy got to player, player = killed
return False
elif self.world.hasReachedExit(self.player):
# player reached exit
return True
pygame.display.flip()
pygame.event.pump()
return False # player hit 'q' to quit game
def update(self):
self.player.update(self.keys, self.world)
self.enemy.update(self.world, self.player, self.flashlight, (self.xCam, self.yCam))
x, y = self.screen.get_size()
self.xCam = self.player.xPos - x/2
self.yCam = self.player.yPos - y/2
def render(self):
self.world.drawWorld(self.xCam, self.yCam, self.player)
self.player.drawTo(self.screen)
self.enemy.drawTo(self.screen, self.flashlight, self.player, (self.xCam, self.yCam))
self.flashlight.drawLight(self.world, self.player, (self.xCam, self.yCam))
# draw random message from enemy
if time.clock() - self.startTime >= random.choice(range(90, 120)) \
and random.random() < 0.1 and self.currentMessage==None:
self.currentMessage = random.choice(self.messages)
self.startTime = time.clock()
if self.currentMessage != None:
textFont = pygame.font.SysFont("comicsans", 50)
line = textFont.render(self.currentMessage, 1, (127, 0, 0))
self.screen.blit(line, (400, 600))
if time.clock() - self.startTime > 3:
self.currentMessage = None
self.startTime = time.clock()
def updateFake(self):
"""Use a false game session for display on menu; fake session update detailed here."""
x, y = self.screen.get_size()
self.xCam = self.player.xPos - x/2
self.yCam = self.player.yPos - y/2
def renderFake(self):
"""Use a false game session for display on menu; fake session rendering detailed here."""
x, y = self.screen.get_size()
self.world.drawWorld(self.xCam, self.yCam, self.player)
self.player.drawTo(self.screen)
self.flashlight.drawLight(self.world, self.player, (self.xCam, self.yCam))
def renderPause(self):
font = pygame.font.SysFont("comicsans", 50)
text = font.render("Paused", 1, (255, 255, 255))
self.screen.blit(text, (0, 0))
def renderTransition(self, frame1, frame2):
"""fade from one image to another."""
frame1 = frame1.convert(); frame2 = frame2.convert()
w, h = self.screen.get_size()
for alpha2 in range(255):
alpha1 = 255-alpha2
frame1.set_alpha(alpha1); frame2.set_alpha(alpha2)
pygame.draw.rect(self.screen, (0,0,0), pygame.Rect(0, 0, w, h))
self.screen.blit(frame1, (0,0))
self.screen.blit(frame2, (0,0))
pygame.display.flip()
