def build_screen(self):
""" init the pygame window, and build the world screen """
# make the window screen
w, h = config_get_screensize()
if w < h:
log.warn('Screen width (%d px) should be larger'
+ ' than screen height (%d px).' % (w, h))
self.gui_offset = max(w - h, 0) # left screen space = GUI
self.win_size = w, h
resolution = w, h
self.window = pygame.display.set_mode(resolution)
pygame.display.set_caption('CC')
# blit the loading screen: a black screen
bg = pygame.Surface(resolution)
bgcolor = config_get_loadingscreen_bgcolor()
bg.fill(bgcolor)
bg = bg.convert()
self.screen_bg = bg
self.window.blit(bg, (0, 0))
# reveal
pygame.display.flip()
self.charactor_sprites = IndexedLayeredUpdates() # all in game charactors
self.active_charactor_sprites = IndexedLayeredUpdates() # chars currently visible on screen
self.dmg_sprites = LayeredUpdates() # dmg to display on screen
class MasterView:
""" links to presentations of game world and HUD """
def __init__(self, evManager):
""" when view starts, register callbacks to events and build the GUI """
self._em = evManager
self.register_callbacks()
# init pygame's screen
pygame.init() #calling init() multiple times does not mess anything
self.build_screen()
self.build_gui()
def register_callbacks(self):
""" """
#tick
self._em.reg_cb(TickEvent, self.on_tick)
# attack
self._em.reg_cb(LocalDmgsEvt, self.on_localdmgs)
self._em.reg_cb(RemoteCharactorAtkEvt, self.on_remotecharatk)
self._em.reg_cb(CharactorRcvDmgEvt, self.on_charrcvdmg)
# creepjoin
self._em.reg_cb(CreepPlaceEvent, self.add_creep)
# death/left
self._em.reg_cb(CharactorDeathEvt, self.on_chardeath)
self._em.reg_cb(CharactorRemoveEvent, self.on_charremove)
# greet
self._em.reg_cb(MBuiltMapEvt, self.on_mapbuilt)
# hps
self._em.reg_cb(MdHpsChangeEvt, self.on_hps)
#join
self._em.reg_cb(LocalAvatarPlaceEvent, self.on_localavplace)
self._em.reg_cb(OtherAvatarPlaceEvent, self.on_remoteavplace)
#move
self._em.reg_cb(SendMoveEvt, self.on_localavmove)
self._em.reg_cb(RemoteCharactorMoveEvent, self.on_remotecharmove)
#resu
self._em.reg_cb(LocalAvRezEvt, self.on_localavrez)
self._em.reg_cb(RemoteCharactorRezEvt, self.on_resurrect)
def build_screen(self):
""" init the pygame window, and build the world screen """
# make the window screen
w, h = config_get_screensize()
if w < h:
log.warn('Screen width (%d px) should be larger'
+ ' than screen height (%d px).' % (w, h))
self.gui_offset = max(w - h, 0) # left screen space = GUI
self.win_size = w, h
resolution = w, h
self.window = pygame.display.set_mode(resolution)
pygame.display.set_caption('CC')
# blit the loading screen: a black screen
bg = pygame.Surface(resolution)
bgcolor = config_get_loadingscreen_bgcolor()
bg.fill(bgcolor)
bg = bg.convert()
self.screen_bg = bg
self.window.blit(bg, (0, 0))
# reveal
pygame.display.flip()
self.charactor_sprites = IndexedLayeredUpdates() # all in game charactors
self.active_charactor_sprites = IndexedLayeredUpdates() # chars currently visible on screen
self.dmg_sprites = LayeredUpdates() # dmg to display on screen
def build_gui(self):
""" Add widgets to the screen.
Widgets on the left need only be reblitted when they get dirty.
Widgets that overlay the world screen need to be reblitted every frame.
"""
# start adding widgets
leftgui = LayeredDirty() # only reblit when dirty=1
overlaygui = LayeredUpdates() # reblit every frame
w, h = self.win_size
line_h = config_get_fontsize()
gui_w = self.gui_offset
# -- name label at top-left of the screen
rec = pygame.Rect(0, 0, gui_w - 1, line_h - 1)
evt_txt_dict = {MMyNameChangedEvent: 'newname', MGreetNameEvt:'newname'}
txtcol = config_get_txtlabel_txtcolor()
bgcol = config_get_txtlabel_bgcolor()
namebox = TextLabelWidget(self._em, '', events_attrs=evt_txt_dict,
rect=rec, txtcolor=txtcol, bgcolor=bgcol)
leftgui.add(namebox)
# -- list of connected players, until middle of the screen
rec = pygame.Rect(0, line_h, gui_w - 1, line_h - 1)
txt = 'Connected players:'
txtcol = config_get_txtlabel_txtcolor()
bgcol = config_get_txtlabel_bgcolor()
whosonlinetitle = TextLabelWidget(self._em, txt, rect=rec,
txtcolor=txtcol, bgcolor=bgcol)
leftgui.add(whosonlinetitle)
rec = pygame.Rect(0, 2 * line_h, gui_w - 1, h / 2 - 2 * line_h - 1)
numlines = int(rec.height / line_h)
txtcol = config_get_chatlog_txtcolor()
bgcol = None #config_get_chatlog_bgcolor()
whosonlinebox = PlayerListWidget(self._em, numlines, rect=rec,
txtcolor=txtcol, bgcolor=bgcol)
leftgui.add(whosonlinebox)
# -- chat window overlay at bottom of the world screen
chat_height = h / 4
numlines = int(chat_height / line_h)
if numlines > 0: # text input field
rec = pygame.Rect(gui_w + 1, h - line_h, w - gui_w - 1, line_h - 1)
chatbox = InputFieldWidget(self._em, rect=rec)
overlaygui.add(chatbox)
if numlines > 1: # text display line
rec = pygame.Rect(gui_w + 1, h * 3 / 4,
w - gui_w - 1, h / 4 - line_h - 1)
txtcol = config_get_chatlog_txtcolor()
# no bg color to disply on top of world screen
chatwindow = ChatLogWidget(self._em, numlines=numlines, rect=rec,
txtcolor=txtcol)
overlaygui.add(chatwindow)
self.left_gui_sprites = leftgui
self.overlay_gui_sprites = overlaygui
################# gfx utils ###############
def center_screen_on_coords(self, cleft, ctop):
""" Get the subsurface of interest to pick from the whole world surface
and blit it on the window screen.
"""
self.bg_shift_left = cleft
self.bg_shift_top = ctop
# compute the rect of the world bg to subsurface from
celsize = self.cspr_size
subsurf_left = cleft * celsize
subsurf_top = ctop * celsize
v_diam = self.visib_diam
subsurf_dims = (v_diam * celsize, v_diam * celsize)
visible_area = pygame.Rect((subsurf_left, subsurf_top), subsurf_dims)
# make bg from that area of interest
# subsurface() should not raise any error when moving on the world borders
# since the screen is squared and the world padded with an extra visib_diam
visible_bg = self.world_bg.subsurface(visible_area)
visible_bg = visible_bg.convert()
self.screen_bg.blit(visible_bg, (self.gui_offset, 0))
self.window.blit(visible_bg, (self.gui_offset, 0))
pygame.display.flip()
def game_to_screen_coords(self, gcoords):
""" gcoords are cell coords, from the game model.
Return the screen coords if in range, or None if outside of range.
"""
cleft, ctop = gcoords
# cell distance from my av cell
cell_shift_left = cleft - self.bg_shift_left
cell_shift_top = ctop - self.bg_shift_top
v_radius = self.visib_rad
if abs(cell_shift_left) <= v_radius\
and abs(cell_shift_top) <= v_radius:
# in range
v_diam = self.visib_diam
celsize = self.cspr_size
gui_offset = self.gui_offset
screenleft = (v_diam / 2 + cell_shift_left) * celsize + gui_offset
screentop = (v_diam / 2 + cell_shift_top) * celsize
return screenleft, screentop
else: # out of range
return None, None
def display_char_if_inrange(self, char):
""" display (or not) a charactor if it's in range.
This function is called when the charactor model changes.
"""
gamecoords = char.cell.coords
screenleft, screentop = self.game_to_screen_coords(gamecoords)
charspr = self.charactor_sprites.get_spr(char)
if screenleft and screentop: # in screen range
# ask the charactor's sprite to position itself
self.active_charactor_sprites.add(charspr) # activate the spr
charspr.update_img(screenleft, screentop)
else: # charactor got out of screen: desactivate the spr
self.active_charactor_sprites.remove(charspr)
def display_dmg_if_inrange(self, char, dmg):
""" start displaying the dmg a charactor received """
gcoords = char.cell.coords
screenleft, screentop = self.game_to_screen_coords(gcoords) # center of the char spr
if screenleft and screentop:
celsize = self.cspr_size
centerpos = screenleft, screentop - celsize / 4
scroll_height = celsize / 2 # how high should the text scroll until erased
txt = str(dmg)
duration = config_get_dmgdisplayduration() # in millis
color = config_get_dmgfontcolor()
fontsize = config_get_dmgfontsize()
ScrollingTextSprite(txt, centerpos, scroll_height,
duration=duration, fontsize=fontsize,
color=color, groups=self.dmg_sprites)
###################### RENDERING OF SPRITES and BG ######################
def on_tick(self, event):
""" Render all the dirty sprites.
The order is important: blit charactors first, then damage, then GUI.
"""
chars = self.active_charactor_sprites
dmgs = self.dmg_sprites
leftgui = self.left_gui_sprites
ovgui = self.overlay_gui_sprites
win, bg = self.window, self.screen_bg
# clear the window from all the sprites, replacing them with the bg
chars.clear(win, bg)
dmgs.clear(win, bg)
leftgui.clear(win, bg)
ovgui.clear(win, bg)
# update all the sprites - calls update() on each sprite of the groups
duration = event.duration # how long passed since last tick
chars.update(duration)
dmgs.update(duration)
leftgui.update(duration)
ovgui.update(duration)
# collect the display areas that need to be redrawn
dirty_chars = chars.draw(win) # ie, all char sprites
dirty_dmg = dmgs.draw(win) # all dmg being displayed
dirty_lgui = leftgui.draw(win) # but only the left widgets that are dirty
dirty_ovgui = ovgui.draw(win) # and all overlay widgets
# and redisplay those areas only
dirty_rects = dirty_chars + dirty_dmg + dirty_lgui + dirty_ovgui
pygame.display.update(dirty_rects)
########### attack ###############
def on_localdmgs(self, event):
""" Local avatar attacked: only display dmg, but
dont update defender's HP bar: the HP update comes from a server msg.
"""
dmgs = event.dmgs
for defer, dmg in dmgs.items():
self.display_dmg_if_inrange(defer, dmg)
def on_remotecharatk(self, event):
""" Display the charactor attacking.
The dmg are displayed by a char RECEIVING dmg,
not by the char attacking.
"""
log.debug('%s attacked' % event.atker.name)
# TODO: FT display the charactor attacking instead of logging
def on_charrcvdmg(self, event):
""" Display text with damage over charactor's sprite. """
defer, dmg = event.defer, event.dmg
fromremotechar = event.fromremotechar
self.display_char_if_inrange(defer)
if fromremotechar: # if atker was local, the dmg was already rendered
self.display_dmg_if_inrange(defer, dmg)
####### creepjoin #########
def add_creep(self, event):
""" Add creep spr on screen. """
creep = event.creep
sprdims = (self.cspr_size, self.cspr_size)
bgcolor = config_get_creep_bgcolor()
layer = 1 # which layer to put that spr into
CharactorSprite(creep, sprdims, bgcolor, layer, self.charactor_sprites)
# TODO: FT CreepSprite() instead of CharactorSprite()
self.display_char_if_inrange(creep)
########## death ############
def on_chardeath(self, event):
""" A charactor died: hide it.
Show it again when/if the charactor resurrects.
"""
char = event.charactor
self.display_char_if_inrange(char)
log.debug('%s died' % char.name)
def on_charremove(self, event):
""" A Charactor can be an avatar or a creep.
Can be triggered because of local or remote events.
"""
char = event.charactor
charspr = self.charactor_sprites.get_spr(char)
charspr.kill() # remove from all sprite groups
del charspr
###################### greet ###############################
def on_mapbuilt(self, event):
""" Build the bg from the map cells, and blit it.
The pixel width and height of map cells comes from
the window's dimensions and the map's visibility radius.
Called only once at the beginning, when model.map has been built.
"""
worldmap = event.worldmap
self.cellsprs = dict() # maps model.Cell to view.CellSprite
# determine width and height of cell spr from map visibility
r = worldmap.visibility_radius
self.visib_rad = r
diam = 2 * r + 1
self.visib_diam = diam
height = self.win_size[1]
celsize = int(height / diam)
self.cspr_size = celsize
# Build world screen_bg to be scrolled when the avatar moves
# so that world_bg can be scrolled.
# Padding of visib_diam so that the screen bg can subsurface(world_bg)
v_rad = self.visib_rad
w_w, w_h = worldmap.width, worldmap.height
w_surf_w = celsize * (w_w + 2 * v_rad)
w_surf_h = celsize * (w_h + 2 * v_rad)
worldbg = pygame.Surface((w_surf_w, w_surf_h))
worldbg.fill(config_get_nonwalkable_color())
for i in range(w_w):
for j in range(w_h):
# don't forget the visib_rad of padding
cspr_left = (v_rad + i) * celsize
cspr_top = (v_rad + j) * celsize
cellrect = pygame.Rect(cspr_left, cspr_top, celsize, celsize)
cell = worldmap.get_cell(i, j)
cellspr = CellSprite(cell, cellrect)
self.cellsprs[cell] = cellspr
# blit the cell to world bg
worldbg.blit(cellspr.image, cellspr.rect)
worldbg = worldbg.convert()
self.world_bg = worldbg
# Center screen screen_bg on entrance cell, and blit
eleft, etop = worldmap.entrance_coords
self.center_screen_on_coords(eleft, etop)
################ hps ####################
def on_hps(self, event):
""" A char changed hps. Update its life bar. """
char = event.charactor
self.display_char_if_inrange(char)
log.debug('%s changed hps to %d/%d' % (char.name, char.hp, char.maxhp))
############### join #############
def on_localavplace(self, event):
""" Center the map on the avatar's cell,
build a charactor sprite in that cell,
and reblit screen_bg, charactor sprites, and GUI.
"""
avatar = event.avatar
sprdims = (self.cspr_size, self.cspr_size)
bgcolor = config_get_myav_bgcolor()
layer = 3 # local avatar sprite is over other avs, and over creeps
CharactorSprite(avatar, sprdims, bgcolor, layer, self.charactor_sprites)
cleft, ctop = avatar.cell.coords
self.center_screen_on_coords(cleft, ctop) #must be done before display_char
self.display_char_if_inrange(avatar)
def on_remoteavplace(self, event):
""" Make a sprite and center the sprite
based on the cell location of the remote avatar.
"""
av = event.avatar
sprdims = (self.cspr_size, self.cspr_size)
bgcolor = config_get_avdefault_bgcolor()
layer = 2 # other av sprites are over creeps but below the local av spr
CharactorSprite(av, sprdims, bgcolor, layer, self.charactor_sprites)
self.display_char_if_inrange(av)
################# move ################
def on_localavmove(self, event):
""" move my avatar: scroll the screen_bg """
myav = event.avatar
cleft, ctop = myav.cell.coords
self.center_screen_on_coords(cleft, ctop)
# redisplay the charactors that are in range
for charspr in self.charactor_sprites:
char = charspr.char
if char.cell: # char is still alive
self.display_char_if_inrange(char)
def on_remotecharmove(self, event):
""" Move the spr of creeps or other avatars. """
char = event.charactor
self.display_char_if_inrange(char)
################# resurrect ############
def on_localavrez(self, event):
""" Resurrect my avatar: display my av, and center screen on my av.
Note: it can happen that, within the same frame,
the avatar resurrects and is killed again
(when the server sent rez and death msg in the same frame).
Don't display the avatar if it is dead again/still dead.
"""
# center screen on my av and redisplay all chars if my av resurrected
myav = event.avatar
if myav.cell: # av has not been killed again in the same frame
cleft, ctop = myav.cell.coords
self.center_screen_on_coords(cleft, ctop) #must be done before display_char
# redisplay all the charactors that are alive (includes me)
for charspr in self.charactor_sprites:
char = charspr.char
if char.cell: # char is still alive
self.display_char_if_inrange(char)
def on_resurrect(self, event):
""" Resurrect another charactor (creep or avatar) """
char = event.charactor
self.display_char_if_inrange(char)
log.debug('%s resurrected' % event.charactor.name)
