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endless.py
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endless.py
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# Support for endless song playing!
import random
import colors
import error
import dance
import util
import options
import sys
from pygame.mixer import music
from interface import *
from constants import *
import ui
from i18n import *
from fonttheme import FontTheme
ENDLESS_HELP = [
_("Left: Make the songs that will be played easier"),
_("Right: Make the songs that will be played harder"),
_("Up: Select difficulty by name"),
_("Down: Select difficulty by rating"),
_("Enter / Up Right: Start playing songs until you fail"),
_("Escape / Up Left: Go back to the game selection screen"),
_("Start: Go to the options screen / F11: Toggle fullscreen"),
]
def check_constraints(constraints, diff):
for c in constraints:
if not c.meets(diff): return False
return True
class EndlessDiffDisplay(pygame.sprite.Sprite):
def __init__(self, pid, constraint):
pygame.sprite.Sprite.__init__(self)
self._c = constraint
self._ptext = fontfx.shadow(_("Player %d") % (pid + 1), FontTheme.Endless_player, colors.WHITE)
self._pr = self._ptext.get_rect()
self._centerx = 160 + 320 * pid
self._oldval = None
self.update(0)
def update(self, time):
if self._oldval != (self._c.kind, self._c.value):
if self._c.kind == "name":
ctext = fontfx.shadow(_("Select by Difficulty"), FontTheme.Endless_filter_by, colors.WHITE)
i18ndifficulty = _(self._c.value)
vtext = fontfx.shadow(i18ndifficulty.capitalize(), FontTheme.Endless_filter_range, colors.WHITE)
elif self._c.kind == "number":
ctext = fontfx.shadow(_("Select by Rating"), FontTheme.Endless_filter_by, colors.WHITE)
vtext = fontfx.shadow(_("Between %d and %d") % self._c.value, FontTheme.Endless_filter_range,
colors.WHITE)
self.image = pygame.Surface([300, 400])
cr = ctext.get_rect()
vr = vtext.get_rect()
self._pr.centerx = cr.centerx = vr.centerx = 150
self._pr.top = 0
cr.top = 100
vr.top = 200
self.image.blit(self._ptext, self._pr)
self.image.blit(ctext, cr)
self.image.blit(vtext, vr)
self.image.set_colorkey(self.image.get_at([0, 0]))
self.rect = self.image.get_rect()
self.rect.center = [self._centerx, 340]
# For selecting songs
class Constraint(object):
def __init__(self, kind, value):
self.kind = kind
self.value = value
def meets(self, diffs):
if self.kind == "name":
if diffs.has_key(self.value): return True
else: return False
elif self.kind == "number":
for k in diffs:
if diffs[k] in range(self.value[0], self.value[1] + 1): return True
return False
def diff(self, diffs):
if self.kind == "name": return self.value
elif self.kind == "number":
for k in diffs:
if diffs[k] in range(self.value[0], self.value[1] + 1): return k
# Generate a playlist forever
class FakePlaylist(object):
def __init__(self, songs, constraints, screen, mode):
self.songs = [s for s in songs if (s.info["valid"] and
check_constraints(constraints,
s.difficulty[mode]))]
self.working = []
self.mode = mode
self.constraints = constraints
self.numplayers = len(constraints)
self.screen = screen
def __iter__(self):
return self
# len(x) returns int(x.__len__()) if x.__len__() > 0 and is numeric,
# exception otherwise, so returning float("+inf") or None is
# impossible. Thus, the largest regular integer is returned, which
# is as close to "infinity" as we can get.
def __len__(self): return sys.maxint
def next(self):
if len(self.songs) == 0:
error.ErrorMessage(self.screen,
_("The difficulty settings you chose result ") +
_("in no songs being available to play."))
raise StopIteration
elif len(self.working) == 0: self.working = self.songs[:]
i = random.randint(0, len(self.working) - 1)
song = self.working[i]
del(self.working[i])
return (song.filename,
[c.diff(song.difficulty[self.mode]) for c in self.constraints])
class Endless(InterfaceWindow):
def __init__(self, songitems, courses, screen, gametype):
InterfaceWindow.__init__(self, screen, "endless-bg.png");
pygame.display.update()
self.player_configs = [dict(player_config)]
if games.GAMES[gametype].players == 2:
self.player_configs.append(dict(player_config))
self.game_config = dict(game_config)
songitems = [s for s in songitems if s.difficulty.has_key(gametype)]
# Autofail always has to be on for endless, so back up the old value.
oldaf = mainconfig["autofail"]
diffs = []
diff_count = {} # if we see a difficulty 2 times or more, use it
for song in songitems:
if song.difficulty.has_key(gametype):
for d in song.difficulty[gametype]:
if diff_count.has_key(d) and d not in diffs : diffs.append(d)
else: diff_count[d] = True
diffs.sort(util.difficulty_sort)
if len(diffs) == 0:
error.ErrorMessage(screen, _("You need more songs to play Endless Mode. ") +
_("Otherwise, it's just really boring."))
return
mainconfig["autofail"] = 1
self.constraints = [Constraint("name", songitems[0].difficulty[gametype].keys()[0])]
if games.GAMES[gametype].players == 2:
if games.GAMES[gametype].couple == True:
# Lock both players to the same constraints in couple modes.
self.constraints.append(self.constraints[0])
else:
c = Constraint("name", songitems[0].difficulty[gametype].keys()[0])
self.constraints.append(c)
for i, c in enumerate(self.constraints):
EndlessDiffDisplay(i, c).add(self._sprites)
self._sprites.add(HelpText(ENDLESS_HELP, [255, 255, 255], [0, 0, 0],
FontTheme.help, [320, 20]))
music.load(os.path.join(sound_path, "menu.ogg"))
music.play(4, 0.0)
pid, ev = 0, ui.PASS
while ev != ui.QUIT:
pid, ev = ui.ui.poll()
if ev == ui.START:
options.OptionScreen(self.player_configs, self.game_config, screen)
self._screen.blit(self._bg, [0, 0])
pygame.display.update()
# Start game
elif ev == ui.CONFIRM:
dance.play(screen, FakePlaylist(songitems, self.constraints,
screen, gametype),
self.player_configs, self.game_config, gametype)
self._screen.blit(self._bg, [0, 0])
pygame.display.update()
music.load(os.path.join(sound_path, "menu.ogg"))
music.play(4, 0.0)
ui.ui.clear()
# Ignore unknown events
elif pid >= len(self.constraints): pass
elif ev == ui.DOWN and self.constraints[pid].kind != "name":
self.constraints[pid].kind = "name"
self.constraints[pid].value = diffs[0]
elif ev == ui.UP and self.constraints[pid].kind != "number":
self.constraints[pid].kind = "number"
self.constraints[pid].value = (1, 3)
elif ev == ui.LEFT: # easier
if self.constraints[pid].kind == "name":
newi = max(0, diffs.index(self.constraints[pid].value) - 1)
self.constraints[pid].value = diffs[newi]
elif self.constraints[pid].kind == "number":
newmin = max(self.constraints[pid].value[0] - 1, 1)
self.constraints[pid].value = (newmin, newmin + 2)
elif ev == ui.RIGHT: # harder
if self.constraints[pid].kind == "name":
newi = min(len(diffs) - 1,
diffs.index(self.constraints[pid].value) + 1)
self.constraints[pid].value = diffs[newi]
elif self.constraints[pid].kind == "number":
newmin = min(self.constraints[pid].value[0] + 1, 9)
self.constraints[pid].value = (newmin, newmin + 2)
elif ev == ui.FULLSCREEN:
mainconfig["fullscreen"] ^= 1
pygame.display.toggle_fullscreen()
self.update()
mainconfig["autofail"] = oldaf
player_config.update(self.player_configs[0])