def __init__(self, screen):
super(PlatformingScene, self).__init__(screen)
self.background_drawn = False
self.headersize = 30
self.camera = pygame.rect.Rect(0, 0, game_constants.w,
game_constants.h)
self.special_chars = SpecialChars()
self.movelist = []
self.time_elapsed = 0
self.health = Health(5)
self.score = Score(screen)
self.player = Player(
(screen.get_width() / 2, screen.get_height() / 2 - 30))
self.playergroup = RenderUpdatesDraw(self.player)
self.platforms = {}
self.platforms[game_constants.h - 80] = [
general.Box(-10000, game_constants.h - 80, 20000, 16)
]
self.statics = RenderUpdatesDraw()
self.statics.add(self.platforms.values()[0])
self.screenstatics = RenderUpdatesDraw()
self.actives = RenderUpdatesDraw()
self.powerups = RenderUpdatesDraw()
self.place_platforms()
self.player.colliders = self.screenstatics
self.header = pygame.Surface((screen.get_width(), self.headersize))
self.header.fill(Color.BLACK)
self.background = pygame.Surface(screen.get_size()).convert()
gradiation = 128.0
for i in xrange(int(gradiation)):
color = (150 - (i * 150 / gradiation),
150 - (i * 150 / gradiation), 200)
rect = (0, i * game_constants.h / gradiation, game_constants.w,
game_constants.h / gradiation + 1)
self.background.fill(color, rect)
# Move sprites into or out of 'screenstatics' group based on whether they're in camera
self.screencheck()
# fixme: rearchitect this
self.challenging = False
def __init__(self, screen):
super(PlatformingScene, self).__init__(screen)
self.background_drawn = False
self.headersize = 30
self.camera = pygame.rect.Rect(0, 0, game_constants.w, game_constants.h)
self.special_chars = SpecialChars()
self.movelist = []
self.time_elapsed = 0
self.health = Health(5)
self.score = Score(screen)
self.player = Player((screen.get_width() / 2, screen.get_height() / 2 - 30))
self.playergroup = RenderUpdatesDraw(self.player)
self.platforms = {}
self.platforms[game_constants.h - 80] = [general.Box(-10000, game_constants.h - 80, 20000, 16)]
self.statics = RenderUpdatesDraw()
self.statics.add(self.platforms.values()[0])
self.screenstatics = RenderUpdatesDraw()
self.actives = RenderUpdatesDraw()
self.powerups = RenderUpdatesDraw()
self.place_platforms()
self.player.colliders = self.screenstatics
self.header = pygame.Surface((screen.get_width(), self.headersize))
self.header.fill(Color.BLACK)
self.background = pygame.Surface(screen.get_size()).convert()
gradiation = 128.0
for i in xrange(int(gradiation)):
color = (150 - (i * 150 / gradiation), 150 - (i * 150 / gradiation), 200)
rect = (0, i * game_constants.h / gradiation, game_constants.w, game_constants.h / gradiation + 1)
self.background.fill(color, rect)
# Move sprites into or out of 'screenstatics' group based on whether they're in camera
self.screencheck()
# fixme: rearchitect this
self.challenging = False
def __init__(self, position):
super(Player, self).__init__()
self.state = States.falling
self.colliders = None
self.loadanims()
self.direction = 'r'
self.jumpdir = 'u'
self.moving = False
self.delayframes = 0
self.weapon = Weapons.normal
self.shots_left = 0
self.bullets = RenderUpdatesDraw()
self.velocity = 0
self.selected_opponent = None
self.position = position
self.setanim() # Also sets self.rect for collisions
def __init__(self, position):
super(Player, self).__init__()
self.state = States.falling
self.colliders = None
self.loadanims()
self.direction = 'r'
self.jumpdir = 'u'
self.moving = False
self.delayframes = 0
self.weapon = Weapons.normal
self.shots_left = 0
self.bullets = RenderUpdatesDraw()
self.velocity = 0
self.selected_opponent = None
self.position = position
self.setanim() # Also sets self.rect for collisions
class PlatformingScene(BaseScene):
""" Class for the main playable game environment. """
def __init__(self, screen):
super(PlatformingScene, self).__init__(screen)
self.background_drawn = False
self.headersize = 30
self.camera = pygame.rect.Rect(0, 0, game_constants.w,
game_constants.h)
self.special_chars = SpecialChars()
self.movelist = []
self.time_elapsed = 0
self.health = Health(5)
self.score = Score(screen)
self.player = Player(
(screen.get_width() / 2, screen.get_height() / 2 - 30))
self.playergroup = RenderUpdatesDraw(self.player)
self.platforms = {}
self.platforms[game_constants.h - 80] = [
general.Box(-10000, game_constants.h - 80, 20000, 16)
]
self.statics = RenderUpdatesDraw()
self.statics.add(self.platforms.values()[0])
self.screenstatics = RenderUpdatesDraw()
self.actives = RenderUpdatesDraw()
self.powerups = RenderUpdatesDraw()
self.place_platforms()
self.player.colliders = self.screenstatics
self.header = pygame.Surface((screen.get_width(), self.headersize))
self.header.fill(Color.BLACK)
self.background = pygame.Surface(screen.get_size()).convert()
gradiation = 128.0
for i in xrange(int(gradiation)):
color = (150 - (i * 150 / gradiation),
150 - (i * 150 / gradiation), 200)
rect = (0, i * game_constants.h / gradiation, game_constants.w,
game_constants.h / gradiation + 1)
self.background.fill(color, rect)
# Move sprites into or out of 'screenstatics' group based on whether they're in camera
self.screencheck()
# fixme: rearchitect this
self.challenging = False
def lazy_redraw(self):
return False
def fill_level(self, height):
platform_level = self.platforms.setdefault(height, [])
max_right = self.camera.right + game_constants.w
min_left = self.camera.left - game_constants.w
# cull platforms that have gone too far -- TODO this doesn't work yet
bad_platforms = [
p for p in platform_level
if p.rect.left > max_right or p.rect.right < min_left
]
[platform_level.remove(p) for p in bad_platforms]
[self.statics.remove(p) for p in bad_platforms]
# add on platforms until the limit is reached
if not len(platform_level):
leftmost = random.randint(-game_constants.w, game_constants.w)
rightmost = leftmost = random.randint(-game_constants.w,
game_constants.w)
else:
leftmost = min([p.rect.left for p in platform_level])
rightmost = max([p.rect.right for p in platform_level])
while rightmost < max_right:
new_start = rightmost + random.randint(150, 300)
new_width = random.randint(200, 1000)
new_width = new_width - new_width % 16 # Cut off to the nearest multiple of 16
new_p = Platform(new_start, height, new_width, 16)
platform_level.append(new_p)
self.statics.add(new_p)
rightmost = new_start + new_width
while leftmost > min_left:
new_start = leftmost - random.randint(150, 300)
new_width = random.randint(200, 1000)
new_width = new_width - new_width % 16 # Cut off to the nearest multiple of 16
new_p = Platform(new_start - new_width, height, new_width, 16)
platform_level.append(new_p)
self.statics.add(new_p)
leftmost = new_start - new_width
def place_platforms(self):
# Generate platforms based on camera position: Make sure there are always platforms extending at least as far as +-4*game_constants.w, +-4*game_constants.h from the player
max_height = self.camera.top - 2 * game_constants.h
lowest = max(self.platforms.keys())
highest = min(self.platforms.keys())
for h in range(highest, lowest, 80):
self.fill_level(h)
while highest > max_height:
highest -= 80
self.fill_level(highest)
def draw_background(self):
self.screen.blit(self.background, (0, 0))
self.screen.blit(self.header, (0, 0))
pygame.display.update()
self.background_drawn = True
def draw_header(self):
dirty = []
self.screen.set_clip(0, 0, game_constants.w,
self.headersize) # Only draw in header area
self.score.clear(self.screen, self.header)
self.health.clear(self.screen, self.header)
dirty += self.score.draw(self.screen, self.time_elapsed)
dirty += self.health.draw(self.screen)
return dirty
def draw(self):
if not self.background_drawn:
self.draw_background()
self.camshift()
header_dirty = self.draw_header()
dirty = []
# Don't draw over header
self.screen.set_clip(0, self.headersize, game_constants.w,
game_constants.h)
rect_sources = [
self.screenstatics,
self.powerups,
self.actives,
self.playergroup,
self.player.bullets,
]
for rect_source in rect_sources:
rect_source.clear(self.screen, self.background)
for rect_source in rect_sources:
dirty += rect_source.draw(self.screen, self.camera)
# hack: repaint selected_opponent to make sure it's visible
if self.player.selected_opponent:
dirty += [
self.player.selected_opponent.draw(self.screen, self.camera)
]
# Constrain all dirty rectangles in main game area to main game area.
dirty = [
dirty_rect.clip(self.screen.get_clip()) for dirty_rect in dirty
]
return header_dirty + dirty
def camshift(self):
newpos = self.player.rect
bounds = self.camera.inflate(-game_constants.w + 50,
-game_constants.h + 100)
# Move the screen if we're near the edge
if newpos.right > bounds.right:
self.camera = self.camera.move(newpos.right - bounds.right, 0)
elif newpos.left < bounds.left:
self.camera = self.camera.move(newpos.left - bounds.left, 0)
if newpos.bottom > bounds.bottom:
self.camera = self.camera.move(0, newpos.bottom - bounds.bottom)
elif newpos.top < bounds.top:
self.camera = self.camera.move(0, newpos.top - bounds.top)
self.screencheck()
def screencheck(self):
"""Classify objects by whether they are on the screen"""
for platform_level in self.platforms.values():
for platform in platform_level:
if platform not in self.screenstatics:
# This platform wasn't on the screen: is it now?
if platform.rect.colliderect(self.camera):
self.screenstatics.add(platform)
# If it's a platform (has the attribute'word') give it an
# identifying word while it's onscreen
if hasattr(platform, 'word'):
platform.word = Word(self.special_chars.new(),
platform.font)
else:
# This platform is on the screen: is it gone now?
if not platform.rect.colliderect(self.camera):
self.screenstatics.remove(platform)
# If it's a platform (has the attribute'word')
# and it's out of camera, free up its symbol for later use
if hasattr(platform, 'word'):
self.special_chars.release(platform.word.string)
platform.word = None
for sprite in self.powerups.sprites():
if not sprite.rect.colliderect(
self.camera.inflate(game_constants.w, 0)):
sprite.kill()
for sprite in self.actives.sprites(
): # need a list because we're going to delete from it
# Opponents are allowed to be a full screen width outside of camera, but no further
if not sprite.rect.colliderect(
self.camera.inflate(game_constants.w, 0)):
if sprite == self.player.selected_opponent:
self.player.selected_opponent = None
sprite.kill()
def is_reachable(self, platform):
player_rect = self.player.rect
""" Is it possible for the player to jump to this platform in the concievable future? """
# Test 1: the platform must be within jumping height
if player_rect.bottom - game_constants.maxjump_height < platform.rect.top < player_rect.bottom:
# Test 2: the player cannot be under the platform
if (player_rect.right < platform.rect.left):
# Test 3: the path from the player position to the optimal jump position must be contiguous
jumpdist = platform.rect.left - player_rect.right
if jumpdist < game_constants.maxjump_width: # Maximum distance that can be jumped
return True
else:
start = (player_rect.right, player_rect.bottom)
size = (jumpdist - game_constants.maxjump_width, 1)
testrect = pygame.rect.Rect(start, size)
for collider in self.screenstatics:
if collider.rect.contains(testrect):
return True
elif (player_rect.left > platform.rect.right):
# Test 3: the path from the player position to the optimal jump position must be contiguous
jumpdist = player_rect.left - platform.rect.right
if jumpdist < game_constants.maxjump_width: # Maximum distance that can be jumped
return True
else:
start = (platform.rect.right +
game_constants.maxjump_width, player_rect.bottom)
size = (jumpdist - game_constants.maxjump_width, 1)
testrect = pygame.rect.Rect(start, size)
for collider in self.screenstatics:
if collider.rect.contains(testrect):
return True
def tick(self, elapsed):
self.place_platforms()
self.time_elapsed += elapsed
for direction in self.movelist:
self.player.direct(direction)
for active_obj in self.actives:
active_obj.tick(self.player.rect.center)
for powerup in self.powerups:
powerup.tick()
for screenstatic in self.screenstatics: # Objects on the screen
# Only platforms have a 'word' attribute
if hasattr(screenstatic, 'word'):
# Will it be possible to get to this object without having to walk on air
screenstatic.reachable = self.is_reachable(screenstatic)
self.player.tick()
if (self.health.value() <= 0):
self.switch_to = GameOverScene(self.screen)
def type_special(self, key): # Typing a special character
for platform_level in self.platforms.values():
for platform in platform_level:
if hasattr(platform, 'word'): # HACK to ignore bottom platform
if platform.reachable and self.camera.colliderect(
platform.rect):
if key == platform.contents():
return platform
class Player(WrappedSprite):
""" Logic, graphics and methods for a game protagonist """
def __init__(self, position):
super(Player, self).__init__()
self.state = States.falling
self.colliders = None
self.loadanims()
self.direction = 'r'
self.jumpdir = 'u'
self.moving = False
self.delayframes = 0
self.weapon = Weapons.normal
self.shots_left = 0
self.bullets = RenderUpdatesDraw()
self.velocity = 0
self.selected_opponent = None
self.position = position
self.setanim() # Also sets self.rect for collisions
@classmethod
def loadImages(cls):
super(Player, cls).loadImages()
cls.images['upright'] = loadframes("gunstar",
["gunup1.png", "gunup2.png"])
cls.images['upleft'] = flippedframes(cls.images['upright'])
cls.images['upsideright'] = loadframes(
"gunstar", ["gunupside1.png", "gunupside2.png"])
cls.images['upsideleft'] = flippedframes(cls.images['upsideright'])
cls.images['sideright'] = loadframes("gunstar",
["gunside1.png", "gunside2.png"])
cls.images['sideleft'] = flippedframes(cls.images['sideright'])
cls.images['downsideright'] = loadframes(
"gunstar", ["gundownside1.png", "gundownside2.png"])
cls.images['downsideleft'] = flippedframes(cls.images['downsideright'])
cls.images['downright'] = loadframes("gunstar",
["gundown1.png", "gundown2.png"])
cls.images['downleft'] = flippedframes(cls.images['downright'])
cls.images['idleright'] = loadframes("gunstar",
["rest1.png", "rest2.png"])
cls.images['idleleft'] = flippedframes(cls.images['idleright'])
cls.images['runright'] = loadframes("gunstar", n_of("run%i.png", 6))
cls.images['runleft'] = flippedframes(cls.images['runright'])
cls.images['jumpright'] = loadframes("gunstar",
["jump1.png", "jump2.png"])
cls.images['jumpleft'] = flippedframes(cls.images['jumpright'])
cls.images['fallright'] = loadframes("gunstar", ["jump3.png"])
cls.images['fallleft'] = flippedframes(cls.images['fallright'])
cls.images['hitright'] = loadframes("gunstar",
["hit1.png", "hit2.png"])
cls.images['hitleft'] = flippedframes(cls.images['hitright'])
def loadanims(self):
self.anims = {
States.shooting: {
'upright': Anim(self.images['upright'], (5, 5)),
'upleft': Anim(self.images['upleft'], (5, 5)),
'upsideright': Anim(self.images['upsideright'], (5, 5)),
'upsideleft': Anim(self.images['upsideleft'], (5, 5)),
'sideright': Anim(self.images['sideright'], (5, 5)),
'sideleft': Anim(self.images['sideleft'], (5, 5)),
'downsideright': Anim(self.images['downsideright'], (5, 5)),
'downsideleft': Anim(self.images['downsideleft'], (5, 5)),
'downright': Anim(self.images['downright'], (5, 5)),
'downleft': Anim(self.images['downleft'], (5, 5)),
},
States.idle: {
'r': Anim(self.images['idleright'], (30, 60)),
'l': Anim(self.images['idleleft'], (30, 60)),
},
States.running: {
'r': Anim(self.images['runright'], (14, ) * 6),
'l': Anim(self.images['runleft'], (14, ) * 6),
},
States.jumping: {
'r': Anim(self.images['jumpright'], (20, 40)),
'l': Anim(self.images['jumpleft'], (20, 40)),
},
States.falling: {
'r': Anim(self.images['fallright'], (20, )),
'l': Anim(self.images['fallleft'], (20, )),
},
States.hit: {
'r': Anim(self.images['hitright'], (5, 5)),
'l': Anim(self.images['hitleft'], (5, 5)),
},
}
def draw(self, surface, campos):
return self.current_anim.draw(surface,
self.rect.move((-campos[0], -campos[1])))
def setanim(self): # Set animation from state and direction
if self.state != States.shooting:
self.current_anim = self.anims[self.state][self.direction]
# Want to ensure that new bottom = old bottom
self.rect = self.current_anim.get_rect()
self.rect.bottom = int(self.position[1])
self.rect.centerx = int(self.position[0])
def collide(self):
return pygame.sprite.spritecollide(self, self.colliders, False)
def direct(self, direction):
self.moving = True
if direction == K_LEFT:
self.direction = 'l'
if self.state not in (States.jumping, States.falling, States.hit):
self.state = States.running
elif direction == K_RIGHT:
self.direction = 'r'
if self.state not in (States.jumping, States.falling, States.hit):
self.state = States.running
def tick(self):
self.delayframes += 1
if self.state in (States.falling, States.jumping, States.hit):
if self.velocity > game_constants.terminal_velocity:
self.velocity -= .25
# If we're falling, check how far we are from the nearest ground. If we're further than one tick's distance,
# move jumpspeed units. If we're closer than one tick's distance, move directly to the ground.
if self.state in (States.falling, States.hit):
dist = distfromground(self.rect, self.colliders)
if dist <= abs(self.velocity):
self.move_vertical(dist)
if self.state == States.hit:
if self.delayframes > game_constants.hitframes:
self.moving = True
self.state = States.running
elif self.moving:
self.state = States.running
else:
self.state = States.idle
else:
self.move_vertical(-self.velocity)
elif self.state == States.jumping:
dist = distfromceiling(self.rect, self.colliders)
if dist <= self.velocity:
self.move_vertical(-dist)
self.state = States.falling
self.velocity = 0
else:
self.move_vertical(-self.velocity)
if self.velocity <= 0 or self.collide():
self.state = States.falling
elif self.state == States.running:
newdist = distfromground(self.rect, self.colliders)
if newdist > 0:
self.state = States.falling
if not self.moving:
self.state = States.idle # Not moving but run animation is being displayed
if self.moving:
jump_slow = False
if self.state == States.jumping and self.jump_target <> None:
# Determine if moving laterally too fast will botch the jump
# to wit: will the top of the player rect be higher than the bottom of the platform
# before the edge of the player closest to the platform is within the platform
# Ugly fudge factor of five pixel units included.
if self.direction == 'l':
if (self.rect.left - game_constants.speed - 5) < self.jump_target.rect.right and \
(self.rect.top > self.jump_target.rect.bottom):
jump_slow = True
elif self.direction == 'r':
if (self.rect.right + game_constants.speed + 5) > self.jump_target.rect.left and \
(self.rect.top > self.jump_target.rect.bottom):
jump_slow = True
if self.state in (
States.running, States.jumping, States.falling
) and not jump_slow: # Left-Right movement is allowed
oldpos, oldrect = self.position, self.rect
if self.direction == 'l':
self.move_horizontal(-game_constants.speed)
elif self.direction == 'r':
self.move_horizontal(game_constants.speed)
if self.collide():
self.position, self.rect = oldpos, oldrect
self.setanim()
self.current_anim.tick()
if self.selected_opponent:
self.point(self.selected_opponent
) # Point weapon in direction of selected thing
for bullet in self.bullets:
bullet.move() # Move all the laser-things that might be on screen
self.moving = False # Require the move() function to refresh this every tick
# fixme: these are dumb
def move_vertical(self, vdist):
self.position = self.position[0], self.position[1] + vdist
self.rect.move(0, vdist)
def move_horizontal(self, hdist):
self.position = self.position[0] + hdist, self.position[1]
self.rect.move(hdist, 0)
def idle(self):
self.state = States.idle
def jump(self, jump_target=None):
if self.state in (States.jumping, States.falling): return
self.jump_target = jump_target
self.delayframes = 0
self.anims[States.jumping]['r'].reset()
self.anims[States.jumping]['l'].reset()
self.state = States.jumping
self.velocity = 7
def hit(self): # Player was injured
self.moving = False
self.state = States.hit
self.velocity = 0
self.delayframes = 0
def point(self, selected): # Point gun at some quadrant
# 1 _|_ 2
# 4 | 3
if (self.state not in (States.falling, States.jumping)):
self.state = States.shooting
x = self.rect.center[0] - selected.x
y = self.rect.center[1] - selected.y
h = math.sqrt(x**2 + y**2)
angle = math.degrees(math.asin(y / h))
anim_name = None
if angle > 0: # Quadrant 1 or 2
if x < 0: # Quadrant 2: up, diag or side
if abs(angle) < 30:
anim_name = 'sideright'
elif 30 < abs(angle) < 70:
anim_name = 'upsideright'
else:
anim_name = 'upright'
else: # Quadrant 1: up, diag or side
if abs(angle) < 30:
anim_name = 'sideleft'
elif 30 < abs(angle) < 70:
anim_name = 'upsideleft'
else:
anim_name = 'upleft'
else: # Quadrant 3 or 4
if x < 0: # Quadrant 3: side, diag or down
if abs(angle) < 30:
anim_name = 'sideright'
elif 30 < abs(angle) < 70:
anim_name = 'downsideright'
else:
anim_name = 'downright'
else: # Quadrant 4: side, diag or down
if abs(angle) < 30:
anim_name = 'sideleft'
elif 30 < abs(angle) < 70:
anim_name = 'downsideleft'
else:
anim_name = 'downleft'
self.current_anim = self.anims[States.shooting][anim_name]
def shoot(self, selected):
# Gunshots emerge from center of player...
# could later make this be exact gun position by dicting anims
player = self.rect.center
# Reset powerup weapons after 10 shots.
if self.weapon != Weapons.normal:
self.shots_left -= 1
if self.shots_left < 0:
self.weapon = Weapons.normal
if self.weapon == Weapons.normal:
shotcount = 1
elif self.weapon == Weapons.shotgun:
shotcount = 3
for _ in xrange(shotcount):
# Fudge the destination point a bit to make it look like shots are being
# sent out haphazardly instead of to the same point every time
fudgex = selected.x + random.randint(-selected.rect.width / 2,
selected.rect.width / 2)
fudgey = selected.y + random.randint(-selected.rect.height / 2,
selected.rect.height / 2)
distx, disty = (player[0] - fudgex, player[1] - fudgey)
hypotenuse = math.sqrt(distx**2 + disty**2)
nx, ny = distx / hypotenuse, disty / hypotenuse
ttl = int(hypotenuse / game_constants.bulletspeed)
self.bullets.add(
Bullet(self, self.weapon,
(player[0] - nx * 4, player[1] - ny * 4), [nx, ny],
selected, ttl))
class PlatformingScene(BaseScene):
""" Class for the main playable game environment. """
def __init__(self, screen):
super(PlatformingScene, self).__init__(screen)
self.background_drawn = False
self.headersize = 30
self.camera = pygame.rect.Rect(0, 0, game_constants.w, game_constants.h)
self.special_chars = SpecialChars()
self.movelist = []
self.time_elapsed = 0
self.health = Health(5)
self.score = Score(screen)
self.player = Player((screen.get_width() / 2, screen.get_height() / 2 - 30))
self.playergroup = RenderUpdatesDraw(self.player)
self.platforms = {}
self.platforms[game_constants.h - 80] = [general.Box(-10000, game_constants.h - 80, 20000, 16)]
self.statics = RenderUpdatesDraw()
self.statics.add(self.platforms.values()[0])
self.screenstatics = RenderUpdatesDraw()
self.actives = RenderUpdatesDraw()
self.powerups = RenderUpdatesDraw()
self.place_platforms()
self.player.colliders = self.screenstatics
self.header = pygame.Surface((screen.get_width(), self.headersize))
self.header.fill(Color.BLACK)
self.background = pygame.Surface(screen.get_size()).convert()
gradiation = 128.0
for i in xrange(int(gradiation)):
color = (150 - (i * 150 / gradiation), 150 - (i * 150 / gradiation), 200)
rect = (0, i * game_constants.h / gradiation, game_constants.w, game_constants.h / gradiation + 1)
self.background.fill(color, rect)
# Move sprites into or out of 'screenstatics' group based on whether they're in camera
self.screencheck()
# fixme: rearchitect this
self.challenging = False
def lazy_redraw(self):
return False
def fill_level(self, height):
platform_level = self.platforms.setdefault(height, [])
max_right = self.camera.right + game_constants.w
min_left = self.camera.left - game_constants.w
# cull platforms that have gone too far -- TODO this doesn't work yet
bad_platforms = [p for p in platform_level if p.rect.left > max_right or p.rect.right < min_left]
[platform_level.remove(p) for p in bad_platforms]
[self.statics.remove(p) for p in bad_platforms]
# add on platforms until the limit is reached
if not len(platform_level):
leftmost = random.randint(-game_constants.w, game_constants.w)
rightmost = leftmost = random.randint(-game_constants.w, game_constants.w)
else:
leftmost = min([p.rect.left for p in platform_level])
rightmost = max([p.rect.right for p in platform_level])
while rightmost < max_right:
new_start = rightmost + random.randint(150, 300)
new_width = random.randint(200, 1000)
new_width = new_width - new_width % 16 # Cut off to the nearest multiple of 16
new_p = Platform(new_start, height, new_width, 16)
platform_level.append(new_p)
self.statics.add(new_p)
rightmost = new_start + new_width
while leftmost > min_left:
new_start = leftmost - random.randint(150, 300)
new_width = random.randint(200, 1000)
new_width = new_width - new_width % 16 # Cut off to the nearest multiple of 16
new_p = Platform(new_start - new_width, height, new_width, 16)
platform_level.append(new_p)
self.statics.add(new_p)
leftmost = new_start - new_width
def place_platforms(self):
# Generate platforms based on camera position: Make sure there are always platforms extending at least as far as +-4*game_constants.w, +-4*game_constants.h from the player
max_height = self.camera.top - 2 * game_constants.h
lowest = max(self.platforms.keys())
highest = min(self.platforms.keys())
for h in range(highest, lowest, 80):
self.fill_level(h)
while highest > max_height:
highest -= 80
self.fill_level(highest)
def draw_background(self):
self.screen.blit(self.background, (0, 0))
self.screen.blit(self.header, (0, 0))
pygame.display.update()
self.background_drawn = True
def draw_header(self):
dirty = []
self.screen.set_clip(0, 0, game_constants.w, self.headersize) # Only draw in header area
self.score.clear(self.screen, self.header)
self.health.clear(self.screen, self.header)
dirty += self.score.draw(self.screen, self.time_elapsed)
dirty += self.health.draw(self.screen)
return dirty
def draw(self):
if not self.background_drawn:
self.draw_background()
self.camshift()
header_dirty = self.draw_header()
dirty = []
# Don't draw over header
self.screen.set_clip(0, self.headersize, game_constants.w, game_constants.h)
rect_sources = [
self.screenstatics,
self.powerups,
self.actives,
self.playergroup,
self.player.bullets,
]
for rect_source in rect_sources:
rect_source.clear(self.screen, self.background)
for rect_source in rect_sources:
dirty += rect_source.draw(self.screen, self.camera)
# hack: repaint selected_opponent to make sure it's visible
if self.player.selected_opponent:
dirty += [self.player.selected_opponent.draw(self.screen, self.camera)]
# Constrain all dirty rectangles in main game area to main game area.
dirty = [dirty_rect.clip(self.screen.get_clip()) for dirty_rect in dirty]
return header_dirty + dirty
def camshift(self):
newpos = self.player.rect
bounds = self.camera.inflate(-game_constants.w + 50, -game_constants.h + 100)
# Move the screen if we're near the edge
if newpos.right > bounds.right:
self.camera = self.camera.move(newpos.right - bounds.right, 0)
elif newpos.left < bounds.left:
self.camera = self.camera.move(newpos.left - bounds.left, 0)
if newpos.bottom > bounds.bottom:
self.camera = self.camera.move(0, newpos.bottom - bounds.bottom)
elif newpos.top < bounds.top:
self.camera = self.camera.move(0, newpos.top - bounds.top)
self.screencheck()
def screencheck(self):
"""Classify objects by whether they are on the screen"""
for platform_level in self.platforms.values():
for platform in platform_level:
if platform not in self.screenstatics:
# This platform wasn't on the screen: is it now?
if platform.rect.colliderect(self.camera):
self.screenstatics.add(platform)
# If it's a platform (has the attribute'word') give it an
# identifying word while it's onscreen
if hasattr(platform, 'word'):
platform.word = Word(self.special_chars.new(), platform.font)
else:
# This platform is on the screen: is it gone now?
if not platform.rect.colliderect(self.camera):
self.screenstatics.remove(platform)
# If it's a platform (has the attribute'word')
# and it's out of camera, free up its symbol for later use
if hasattr(platform, 'word'):
self.special_chars.release(platform.word.string)
platform.word = None
for sprite in self.powerups.sprites():
if not sprite.rect.colliderect(self.camera.inflate(game_constants.w, 0)):
sprite.kill()
for sprite in self.actives.sprites(): # need a list because we're going to delete from it
# Opponents are allowed to be a full screen width outside of camera, but no further
if not sprite.rect.colliderect(self.camera.inflate(game_constants.w, 0)):
if sprite == self.player.selected_opponent:
self.player.selected_opponent = None
sprite.kill()
def is_reachable(self, platform):
player_rect = self.player.rect
""" Is it possible for the player to jump to this platform in the concievable future? """
# Test 1: the platform must be within jumping height
if player_rect.bottom - game_constants.maxjump_height < platform.rect.top < player_rect.bottom:
# Test 2: the player cannot be under the platform
if (player_rect.right < platform.rect.left):
# Test 3: the path from the player position to the optimal jump position must be contiguous
jumpdist = platform.rect.left - player_rect.right
if jumpdist < game_constants.maxjump_width: # Maximum distance that can be jumped
return True
else:
start = (player_rect.right, player_rect.bottom)
size = (jumpdist - game_constants.maxjump_width, 1)
testrect = pygame.rect.Rect(start, size)
for collider in self.screenstatics:
if collider.rect.contains(testrect):
return True
elif (player_rect.left > platform.rect.right):
# Test 3: the path from the player position to the optimal jump position must be contiguous
jumpdist = player_rect.left - platform.rect.right
if jumpdist < game_constants.maxjump_width: # Maximum distance that can be jumped
return True
else:
start = (platform.rect.right + game_constants.maxjump_width, player_rect.bottom)
size = (jumpdist - game_constants.maxjump_width, 1)
testrect = pygame.rect.Rect(start, size)
for collider in self.screenstatics:
if collider.rect.contains(testrect):
return True
def tick(self, elapsed):
self.place_platforms()
self.time_elapsed += elapsed
for direction in self.movelist:
self.player.direct(direction)
for active_obj in self.actives:
active_obj.tick(self.player.rect.center)
for powerup in self.powerups:
powerup.tick()
for screenstatic in self.screenstatics: # Objects on the screen
# Only platforms have a 'word' attribute
if hasattr(screenstatic, 'word'):
# Will it be possible to get to this object without having to walk on air
screenstatic.reachable = self.is_reachable(screenstatic)
self.player.tick()
if (self.health.value() <= 0):
self.switch_to = GameOverScene(self.screen)
def type_special(self, key): # Typing a special character
for platform_level in self.platforms.values():
for platform in platform_level:
if hasattr(platform, 'word'): # HACK to ignore bottom platform
if platform.reachable and self.camera.colliderect(platform.rect):
if key == platform.contents():
return platform
class Player(WrappedSprite):
""" Logic, graphics and methods for a game protagonist """
def __init__(self, position):
super(Player, self).__init__()
self.state = States.falling
self.colliders = None
self.loadanims()
self.direction = 'r'
self.jumpdir = 'u'
self.moving = False
self.delayframes = 0
self.weapon = Weapons.normal
self.shots_left = 0
self.bullets = RenderUpdatesDraw()
self.velocity = 0
self.selected_opponent = None
self.position = position
self.setanim() # Also sets self.rect for collisions
@classmethod
def loadImages(cls):
super(Player, cls).loadImages()
cls.images['upright'] = loadframes("gunstar", ["gunup1.png", "gunup2.png"])
cls.images['upleft'] = flippedframes(cls.images['upright'])
cls.images['upsideright'] = loadframes("gunstar", ["gunupside1.png", "gunupside2.png"])
cls.images['upsideleft'] = flippedframes(cls.images['upsideright'])
cls.images['sideright'] = loadframes("gunstar", ["gunside1.png", "gunside2.png"])
cls.images['sideleft'] = flippedframes(cls.images['sideright'])
cls.images['downsideright'] = loadframes("gunstar", ["gundownside1.png", "gundownside2.png"])
cls.images['downsideleft'] = flippedframes(cls.images['downsideright'])
cls.images['downright'] = loadframes("gunstar", ["gundown1.png", "gundown2.png"])
cls.images['downleft'] = flippedframes(cls.images['downright'])
cls.images['idleright'] = loadframes("gunstar", ["rest1.png", "rest2.png"])
cls.images['idleleft'] = flippedframes(cls.images['idleright'])
cls.images['runright'] = loadframes("gunstar", n_of("run%i.png", 6))
cls.images['runleft'] = flippedframes(cls.images['runright'])
cls.images['jumpright'] = loadframes("gunstar", ["jump1.png", "jump2.png"])
cls.images['jumpleft'] = flippedframes(cls.images['jumpright'])
cls.images['fallright'] = loadframes("gunstar", ["jump3.png"])
cls.images['fallleft'] = flippedframes(cls.images['fallright'])
cls.images['hitright'] = loadframes("gunstar", ["hit1.png", "hit2.png"])
cls.images['hitleft'] = flippedframes(cls.images['hitright'])
def loadanims(self):
self.anims = {
States.shooting : {
'upright' : Anim(self.images['upright'], (5, 5)),
'upleft' : Anim(self.images['upleft'], (5, 5)),
'upsideright' : Anim(self.images['upsideright'], (5, 5)),
'upsideleft' : Anim(self.images['upsideleft'], (5, 5)),
'sideright' : Anim(self.images['sideright'], (5, 5)),
'sideleft' : Anim(self.images['sideleft'], (5, 5)),
'downsideright' : Anim(self.images['downsideright'], (5, 5)),
'downsideleft' : Anim(self.images['downsideleft'], (5, 5)),
'downright' : Anim(self.images['downright'], (5, 5)),
'downleft' : Anim(self.images['downleft'], (5, 5)),
},
States.idle : {
'r' : Anim(self.images['idleright'], (30, 60)),
'l' : Anim(self.images['idleleft'], (30, 60)),
},
States.running : {
'r' : Anim(self.images['runright'], (14,) * 6),
'l' : Anim(self.images['runleft'], (14,) * 6),
},
States.jumping : {
'r' : Anim(self.images['jumpright'], (20, 40)),
'l' : Anim(self.images['jumpleft'], (20, 40)),
},
States.falling : {
'r' : Anim(self.images['fallright'], (20,)),
'l' : Anim(self.images['fallleft'], (20,)),
},
States.hit : {
'r' : Anim(self.images['hitright'], (5, 5)),
'l' : Anim(self.images['hitleft'], (5, 5)),
},
}
def draw(self, surface, campos):
return self.current_anim.draw(surface, self.rect.move((-campos[0], -campos[1])))
def setanim(self): # Set animation from state and direction
if self.state != States.shooting:
self.current_anim = self.anims[self.state][self.direction]
# Want to ensure that new bottom = old bottom
self.rect = self.current_anim.get_rect()
self.rect.bottom = int(self.position[1])
self.rect.centerx = int(self.position[0])
def collide(self):
return pygame.sprite.spritecollide(self, self.colliders, False)
def direct(self, direction):
self.moving = True
if direction == K_LEFT:
self.direction = 'l'
if self.state not in (States.jumping, States.falling, States.hit):
self.state = States.running
elif direction == K_RIGHT:
self.direction = 'r'
if self.state not in (States.jumping, States.falling, States.hit):
self.state = States.running
def tick(self):
self.delayframes += 1
if self.state in (States.falling, States.jumping, States.hit):
if self.velocity > game_constants.terminal_velocity:
self.velocity -= .25
# If we're falling, check how far we are from the nearest ground. If we're further than one tick's distance,
# move jumpspeed units. If we're closer than one tick's distance, move directly to the ground.
if self.state in (States.falling, States.hit):
dist = distfromground(self.rect, self.colliders)
if dist <= abs(self.velocity):
self.move_vertical(dist)
if self.state == States.hit:
if self.delayframes > game_constants.hitframes:
self.moving = True
self.state = States.running
elif self.moving: self.state = States.running
else: self.state = States.idle
else:
self.move_vertical(-self.velocity)
elif self.state == States.jumping:
dist = distfromceiling(self.rect, self.colliders)
if dist <= self.velocity:
self.move_vertical(-dist)
self.state = States.falling
self.velocity = 0
else:
self.move_vertical(-self.velocity)
if self.velocity <= 0 or self.collide():
self.state = States.falling
elif self.state == States.running:
newdist = distfromground(self.rect, self.colliders)
if newdist > 0:
self.state = States.falling
if not self.moving: self.state = States.idle # Not moving but run animation is being displayed
if self.moving:
jump_slow = False
if self.state == States.jumping and self.jump_target <> None:
# Determine if moving laterally too fast will botch the jump
# to wit: will the top of the player rect be higher than the bottom of the platform
# before the edge of the player closest to the platform is within the platform
# Ugly fudge factor of five pixel units included.
if self.direction == 'l':
if (self.rect.left - game_constants.speed - 5) < self.jump_target.rect.right and \
(self.rect.top > self.jump_target.rect.bottom):
jump_slow = True
elif self.direction == 'r':
if (self.rect.right + game_constants.speed + 5) > self.jump_target.rect.left and \
(self.rect.top > self.jump_target.rect.bottom):
jump_slow = True
if self.state in (States.running, States.jumping, States.falling) and not jump_slow: # Left-Right movement is allowed
oldpos, oldrect = self.position, self.rect
if self.direction == 'l':
self.move_horizontal(-game_constants.speed)
elif self.direction == 'r':
self.move_horizontal(game_constants.speed)
if self.collide():
self.position, self.rect = oldpos, oldrect
self.setanim()
self.current_anim.tick()
if self.selected_opponent:
self.point(self.selected_opponent) # Point weapon in direction of selected thing
for bullet in self.bullets:
bullet.move() # Move all the laser-things that might be on screen
self.moving = False # Require the move() function to refresh this every tick
# fixme: these are dumb
def move_vertical(self, vdist):
self.position = self.position[0], self.position[1] + vdist
self.rect.move(0, vdist)
def move_horizontal(self, hdist):
self.position = self.position[0] + hdist, self.position[1]
self.rect.move(hdist, 0)
def idle(self):
self.state = States.idle
def jump(self, jump_target = None):
if self.state in (States.jumping, States.falling): return
self.jump_target = jump_target
self.delayframes = 0
self.anims[States.jumping]['r'].reset()
self.anims[States.jumping]['l'].reset()
self.state = States.jumping
self.velocity = 7
def hit(self): # Player was injured
self.moving = False
self.state = States.hit
self.velocity = 0
self.delayframes = 0
def point(self, selected): # Point gun at some quadrant
# 1 _|_ 2
# 4 | 3
if (self.state not in (States.falling, States.jumping)):
self.state = States.shooting
x = self.rect.center[0] - selected.x
y = self.rect.center[1] - selected.y
h = math.sqrt(x**2 + y**2)
angle = math.degrees(math.asin(y / h))
anim_name = None
if angle > 0: # Quadrant 1 or 2
if x < 0: # Quadrant 2: up, diag or side
if abs(angle) < 30:
anim_name = 'sideright'
elif 30 < abs(angle) < 70:
anim_name = 'upsideright'
else:
anim_name = 'upright'
else: # Quadrant 1: up, diag or side
if abs(angle) < 30:
anim_name = 'sideleft'
elif 30 < abs(angle) < 70:
anim_name = 'upsideleft'
else:
anim_name = 'upleft'
else: # Quadrant 3 or 4
if x < 0: # Quadrant 3: side, diag or down
if abs(angle) < 30:
anim_name = 'sideright'
elif 30 < abs(angle) < 70:
anim_name = 'downsideright'
else:
anim_name = 'downright'
else: # Quadrant 4: side, diag or down
if abs(angle) < 30:
anim_name = 'sideleft'
elif 30 < abs(angle) < 70:
anim_name = 'downsideleft'
else:
anim_name = 'downleft'
self.current_anim = self.anims[States.shooting][anim_name]
def shoot(self, selected):
# Gunshots emerge from center of player...
# could later make this be exact gun position by dicting anims
player = self.rect.center
# Reset powerup weapons after 10 shots.
if self.weapon != Weapons.normal:
self.shots_left -= 1
if self.shots_left < 0:
self.weapon = Weapons.normal
if self.weapon == Weapons.normal:
shotcount = 1
elif self.weapon == Weapons.shotgun:
shotcount = 3
for _ in xrange(shotcount):
# Fudge the destination point a bit to make it look like shots are being
# sent out haphazardly instead of to the same point every time
fudgex = selected.x + random.randint(-selected.rect.width / 2, selected.rect.width / 2)
fudgey = selected.y + random.randint(-selected.rect.height / 2, selected.rect.height / 2)
distx, disty = (player[0] - fudgex, player[1] - fudgey)
hypotenuse = math.sqrt(distx**2 + disty**2)
nx, ny = distx / hypotenuse, disty / hypotenuse
ttl = int(hypotenuse / game_constants.bulletspeed)
self.bullets.add(Bullet(
self,
self.weapon,
(player[0] - nx * 4, player[1] - ny * 4),
[nx, ny],
selected,
ttl))
