class WorldViewer(object):
"""
Draws one world and handles keys/mouse.
Does not poll for events itself.
Calls input_subscriber.on_{key_pressed|mouse_moved}() methods on key/mouse input.
Calls draw_subscriber.on_draw_{background|cells|hud}() methods when drawing.
"""
INFO_SIZE = 300
MIN_SCREEN_SCALE = 0.075
MAX_SCREEN_SCALE = 1
def __init__(self, world):
self.world = world
self.player = None # the focused player, or None to show full world
# the class instance on which to call on_key_pressed and on_mouse_moved
self.input_subscriber = None
# same for draw_background, draw_cells, draw_hud
self.draw_subscriber = None
self.button_subscriber = None
self.buttons = []
self.win_size = Vec(1000, 1000 * 9 / 16)
self.screen_center = self.win_size / 2
self.screen_scale = 1
self.screen_zoom_scale = 1
self.world_center = Vec(0, 0)
self.mouse_pos = Vec(0, 0)
window = Gtk.Window()
window.set_title('agar.io')
window.set_default_size(self.win_size.x, self.win_size.y)
window.connect('delete-event', Gtk.main_quit)
self.drawing_area = Gtk.DrawingArea()
window.add(self.drawing_area)
window.set_events(Gdk.EventMask.KEY_PRESS_MASK
| Gdk.EventMask.POINTER_MOTION_MASK
| Gdk.EventMask.BUTTON_PRESS_MASK
| Gdk.EventMask.SCROLL_MASK)
window.connect('key-press-event', self.key_pressed)
window.connect('motion-notify-event', self.mouse_moved)
window.connect('button-press-event', self.mouse_pressed)
window.connect('scroll-event', self.mouse_wheel_moved)
self.drawing_area.connect('draw', self.draw)
window.show_all()
#draw_thread = threading.Thread(target=self.draw_loop)
#draw_thread.daemon = True
#draw_thread.start()
def draw_loop(self):
while True:
self.drawing_area.queue_draw()
time.sleep(0.003)
def focus_player(self, player):
"""Follow this client regarding center and zoom."""
self.player = player
self.world = player.world
def show_full_world(self, world=None):
"""
Show the full world view instead of one client.
:param world: optionally update the drawn world
"""
self.player = None
if world:
self.world = world
def key_pressed(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber:
return
val = event.keyval
try:
char = chr(val)
except ValueError:
char = ''
self.input_subscriber.on_key_pressed(val=val, char=char)
def mouse_moved(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber:
return
self.mouse_pos = Vec(event.x, event.y)
pos_world = self.screen_to_world_pos(self.mouse_pos)
self.input_subscriber.on_mouse_moved(pos=self.mouse_pos,
pos_world=pos_world)
def mouse_pressed(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber:
return
self.input_subscriber.on_mouse_pressed(button=event.button)
if event.button == 1:
for button in self.buttons:
if button.contains_point(self.mouse_pos):
self.button_subscriber.on_button_pressed(
button, self.mouse_pos)
def mouse_wheel_moved(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if event.direction == Gdk.ScrollDirection.UP and self.screen_zoom_scale < self.MAX_SCREEN_SCALE:
self.screen_zoom_scale = min(self.screen_zoom_scale * 1.5,
self.MAX_SCREEN_SCALE)
if event.direction == Gdk.ScrollDirection.DOWN and self.screen_zoom_scale > self.MIN_SCREEN_SCALE:
self.screen_zoom_scale = max(self.screen_zoom_scale * 0.75,
self.MIN_SCREEN_SCALE)
def register_button(self, button):
self.buttons.append(button)
if button.contains_point(self.mouse_pos):
self.button_subscriber.on_button_hover(button, self.mouse_pos)
def world_to_screen_pos(self, world_pos):
return (world_pos - self.world_center) \
.imul(self.screen_scale).iadd(self.screen_center)
def screen_to_world_pos(self, screen_pos):
return (screen_pos - self.screen_center) \
.idiv(self.screen_scale).iadd(self.world_center)
def world_to_screen_size(self, world_size):
return world_size * self.screen_scale
def recalculate(self):
alloc = self.drawing_area.get_allocation()
self.win_size.set(alloc.width, alloc.height)
self.screen_center = self.win_size / 2
if self.player: # any client is focused
# if self.player.is_alive or (self.player.center.x == 0 and self.player.center.y == 0) or not self.player.scale == 1.0: # HACK due to bug: player scale is sometimes wrong (sent by server?) in spectate mode
window_scale = max(self.win_size.x / 1920, self.win_size.y / 1080)
new_screen_scale = self.player.scale * window_scale * self.screen_zoom_scale
self.screen_scale = lerp_smoothing(self.screen_scale,
new_screen_scale, 0.1, 0.0001)
smoothing_factor = 0.1
if self.player.is_alive:
smoothing_factor = 0.3
self.world_center.x = lerp_smoothing(self.world_center.x,
self.player.center.x,
smoothing_factor, 0.01)
self.world_center.y = lerp_smoothing(self.world_center.y,
self.player.center.y,
smoothing_factor, 0.01)
self.world = self.player.world
elif self.world.size:
new_screen_scale = min(
self.win_size.x / self.world.size.x,
self.win_size.y / self.world.size.y) * self.screen_zoom_scale
self.screen_scale = lerp_smoothing(self.screen_scale,
new_screen_scale, 0.1, 0.0001)
self.world_center = self.world.center
else:
# happens when the window gets drawn before the world got updated
self.screen_scale = self.screen_zoom_scale
self.world_center = Vec(0, 0)
def draw(self, widget, cairo_context):
self.buttons = []
c = Canvas(cairo_context)
if self.draw_subscriber:
self.recalculate()
self.draw_subscriber.on_draw_background(c, self)
self.draw_subscriber.on_draw_cells(c, self)
self.draw_minimap_backgound(c, self)
self.draw_subscriber.on_draw_minimap(c, self)
self.draw_subscriber.on_draw_hud(c, self)
def draw_minimap_backgound(self, c, w):
if w.world.size:
minimap_w = w.win_size.x / 5
minimap_size = Vec(minimap_w, minimap_w)
minimap_scale = minimap_size.x / w.world.size.x
minimap_offset = w.win_size - minimap_size
def world_to_map(world_pos):
pos_from_top_left = world_pos - w.world.top_left
return minimap_offset + pos_from_top_left * minimap_scale
# minimap background
c.fill_rect(minimap_offset,
size=minimap_size,
color=to_rgba(DARK_GRAY, .8))
# outline the area visible in window
c.stroke_rect(world_to_map(w.screen_to_world_pos(Vec(0, 0))),
world_to_map(w.screen_to_world_pos(w.win_size)),
width=1,
color=BLACK)
class WorldViewer(object):
"""
Draws one world and handles keys/mouse.
Does not poll for events itself.
Calls input_subscriber.on_{key_pressed|mouse_moved}() methods on key/mouse input.
Calls draw_subscriber.on_draw_{background|cells|hud}() methods when drawing.
"""
INFO_SIZE = 300
def __init__(self, world):
self.world = world
self.player = None # the focused player, or None to show full world
# the class instance on which to call on_key_pressed and on_mouse_moved
self.input_subscriber = None
# same for draw_background, draw_cells, draw_hud
self.draw_subscriber = None
self.win_size = Vec(1000, 1000 * 9 / 16)
self.screen_center = self.win_size / 2
self.screen_scale = 1
self.world_center = Vec(0, 0)
self.mouse_pos = Vec(0, 0)
window = Gtk.Window()
window.set_title("agar.io")
window.set_default_size(self.win_size.x, self.win_size.y)
window.connect("delete-event", Gtk.main_quit)
self.drawing_area = Gtk.DrawingArea()
window.add(self.drawing_area)
window.set_events(Gdk.EventMask.POINTER_MOTION_MASK)
window.connect("key-press-event", self.key_pressed)
window.connect("motion-notify-event", self.mouse_moved)
window.connect("button-press-event", self.mouse_pressed)
self.drawing_area.connect("draw", self.draw)
window.show_all()
def focus_player(self, player):
"""Follow this client regarding center and zoom."""
self.player = player
self.world = player.world
def show_full_world(self, world=None):
"""
Show the full world view instead of one client.
:param world: optionally update the drawn world
"""
self.player = None
if world:
self.world = world
def key_pressed(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber:
return
val = event.keyval
try:
char = chr(val)
except ValueError:
char = ""
self.input_subscriber.on_key_pressed(val=val, char=char)
def mouse_moved(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber:
return
self.mouse_pos = Vec(event.x, event.y)
pos_world = self.screen_to_world_pos(self.mouse_pos)
self.input_subscriber.on_mouse_moved(pos=self.mouse_pos, pos_world=pos_world)
def mouse_pressed(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber:
return
self.input_subscriber.on_mouse_pressed(button=event.button)
def world_to_screen_pos(self, world_pos):
return (world_pos - self.world_center).imul(self.screen_scale).iadd(self.screen_center)
def screen_to_world_pos(self, screen_pos):
return (screen_pos - self.screen_center).idiv(self.screen_scale).iadd(self.world_center)
def world_to_screen_size(self, world_size):
return world_size * self.screen_scale
def recalculate(self):
alloc = self.drawing_area.get_allocation()
self.win_size.set(alloc.width, alloc.height)
self.screen_center = self.win_size / 2
if self.player: # any client is focused
window_scale = max(self.win_size.x / 1920, self.win_size.y / 1080)
self.screen_scale = self.player.scale * window_scale
self.world_center = self.player.center
self.world = self.player.world
elif self.world.size:
self.screen_scale = min(self.win_size.x / self.world.size.x, self.win_size.y / self.world.size.y)
self.world_center = self.world.center
else:
# happens when the window gets drawn before the world got updated
self.screen_scale = 1
self.world_center = Vec(0, 0)
def draw(self, _, c):
if self.draw_subscriber:
self.recalculate()
self.draw_subscriber.on_draw_background(c, self)
self.draw_subscriber.on_draw_cells(c, self)
self.draw_subscriber.on_draw_hud(c, self)
class WorldViewer(object):
"""
Draws one world and handles keys/mouse.
Does not poll for events itself.
Calls input_subscriber.on_{key_pressed|mouse_moved}() methods on key/mouse input.
Calls draw_subscriber.on_draw_{background|cells|hud}() methods when drawing.
"""
INFO_SIZE = 300
def __init__(self, world):
self.world = world
self.player = None # the focused player, or None to show full world
# the class instance on which to call on_key_pressed and on_mouse_moved
self.input_subscriber = None
# same for draw_background, draw_cells, draw_hud
self.draw_subscriber = None
self.win_size = Vec(1000, 1000 * 9 / 16)
self.screen_center = self.win_size / 2
self.screen_scale = 1
self.world_center = Vec(0, 0)
self.mouse_pos = Vec(0, 0)
window = Gtk.Window()
window.set_title('agar.io')
window.set_default_size(self.win_size.x, self.win_size.y)
window.connect('delete-event', Gtk.main_quit)
self.drawing_area = Gtk.DrawingArea()
window.add(self.drawing_area)
window.set_events(Gdk.EventMask.POINTER_MOTION_MASK)
window.connect('key-press-event', self.key_pressed)
window.connect('motion-notify-event', self.mouse_moved)
window.connect('button-press-event', self.mouse_pressed)
self.drawing_area.connect('draw', self.draw)
window.show_all()
def focus_player(self, player):
"""Follow this client regarding center and zoom."""
self.player = player
self.world = player.world
def show_full_world(self, world=None):
"""
Show the full world view instead of one client.
:param world: optionally update the drawn world
"""
self.player = None
if world:
self.world = world
def key_pressed(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber: return
val = event.keyval
try:
char = chr(val)
except ValueError:
char = ''
self.input_subscriber.on_key_pressed(val=val, char=char)
def mouse_moved(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber: return
self.mouse_pos = Vec(event.x, event.y)
pos_world = self.screen_to_world_pos(self.mouse_pos)
self.input_subscriber.on_mouse_moved(pos=self.mouse_pos,
pos_world=pos_world)
def mouse_pressed(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber: return
self.input_subscriber.on_mouse_pressed(button=event.button)
def world_to_screen_pos(self, world_pos):
return (world_pos - self.world_center) \
.imul(self.screen_scale).iadd(self.screen_center)
def screen_to_world_pos(self, screen_pos):
return (screen_pos - self.screen_center) \
.idiv(self.screen_scale).iadd(self.world_center)
def world_to_screen_size(self, world_size):
return world_size * self.screen_scale
def recalculate(self):
alloc = self.drawing_area.get_allocation()
self.win_size.set(alloc.width, alloc.height)
self.screen_center = self.win_size / 2
if self.player: # any client is focused
window_scale = max(self.win_size.x / 1920, self.win_size.y / 1080)
self.screen_scale = self.player.scale * window_scale
self.world_center = self.player.center
self.world = self.player.world
elif self.world.size:
self.screen_scale = min(self.win_size.x / self.world.size.x,
self.win_size.y / self.world.size.y)
self.world_center = self.world.center
else:
# happens when the window gets drawn before the world got updated
self.screen_scale = 1
self.world_center = Vec(0, 0)
def draw(self, widget, cairo_context):
c = Canvas(cairo_context)
if self.draw_subscriber:
self.recalculate()
self.draw_subscriber.on_draw_background(c, self)
self.draw_subscriber.on_draw_cells(c, self)
self.draw_subscriber.on_draw_hud(c, self)
class WorldViewer(object):
"""
Draws one world and handles keys/mouse.
Does not poll for events itself.
Calls input_subscriber.on_{key_pressed|mouse_moved}() methods on key/mouse input.
Calls draw_subscriber.on_draw_{background|cells|hud}() methods when drawing.
"""
INFO_SIZE = 300
MIN_SCREEN_SCALE = 0.075
MAX_SCREEN_SCALE = 1
def __init__(self, world):
self.world = world
self.player = None # the focused player, or None to show full world
# the class instance on which to call on_key_pressed and on_mouse_moved
self.input_subscriber = None
# same for draw_background, draw_cells, draw_hud
self.draw_subscriber = None
self.button_subscriber = None
self.buttons = []
self.win_size = Vec(1000, 1000 * 9 / 16)
self.screen_center = self.win_size / 2
self.screen_scale = 1
self.screen_zoom_scale = 1
self.world_center = Vec(0, 0)
self.mouse_pos = Vec(0, 0)
window = Gtk.Window()
window.set_title('agar.io')
window.set_default_size(self.win_size.x, self.win_size.y)
window.connect('delete-event', Gtk.main_quit)
self.drawing_area = Gtk.DrawingArea()
window.add(self.drawing_area)
window.set_events(Gdk.EventMask.KEY_PRESS_MASK |
Gdk.EventMask.POINTER_MOTION_MASK |
Gdk.EventMask.BUTTON_PRESS_MASK |
Gdk.EventMask.SCROLL_MASK)
window.connect('key-press-event', self.key_pressed)
window.connect('motion-notify-event', self.mouse_moved)
window.connect('button-press-event', self.mouse_pressed)
window.connect('scroll-event', self.mouse_wheel_moved)
self.drawing_area.connect('draw', self.draw)
window.show_all()
#draw_thread = threading.Thread(target=self.draw_loop)
#draw_thread.daemon = True
#draw_thread.start()
def draw_loop(self):
while True:
self.drawing_area.queue_draw()
time.sleep(0.003)
def focus_player(self, player):
"""Follow this client regarding center and zoom."""
self.player = player
self.world = player.world
def show_full_world(self, world=None):
"""
Show the full world view instead of one client.
:param world: optionally update the drawn world
"""
self.player = None
if world:
self.world = world
def key_pressed(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber:
return
val = event.keyval
try:
char = chr(val)
except ValueError:
char = ''
self.input_subscriber.on_key_pressed(val=val, char=char)
def mouse_moved(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber:
return
self.mouse_pos = Vec(event.x, event.y)
pos_world = self.screen_to_world_pos(self.mouse_pos)
self.input_subscriber.on_mouse_moved(pos=self.mouse_pos, pos_world=pos_world)
def mouse_pressed(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if not self.input_subscriber:
return
self.input_subscriber.on_mouse_pressed(button=event.button)
if event.button == 1:
for button in self.buttons:
if button.contains_point(self.mouse_pos):
self.button_subscriber.on_button_pressed(button, self.mouse_pos)
def mouse_wheel_moved(self, _, event):
"""Called by GTK. Set input_subscriber to handle this."""
if event.direction == Gdk.ScrollDirection.UP and self.screen_zoom_scale < self.MAX_SCREEN_SCALE:
self.screen_zoom_scale = min(self.screen_zoom_scale * 1.5, self.MAX_SCREEN_SCALE)
if event.direction == Gdk.ScrollDirection.DOWN and self.screen_zoom_scale > self.MIN_SCREEN_SCALE:
self.screen_zoom_scale = max(self.screen_zoom_scale * 0.75, self.MIN_SCREEN_SCALE)
def register_button(self, button):
self.buttons.append(button)
if button.contains_point(self.mouse_pos):
self.button_subscriber.on_button_hover(button, self.mouse_pos)
def world_to_screen_pos(self, world_pos):
return (world_pos - self.world_center) \
.imul(self.screen_scale).iadd(self.screen_center)
def screen_to_world_pos(self, screen_pos):
return (screen_pos - self.screen_center) \
.idiv(self.screen_scale).iadd(self.world_center)
def world_to_screen_size(self, world_size):
return world_size * self.screen_scale
def recalculate(self):
alloc = self.drawing_area.get_allocation()
self.win_size.set(alloc.width, alloc.height)
self.screen_center = self.win_size / 2
if self.player: # any client is focused
# if self.player.is_alive or (self.player.center.x == 0 and self.player.center.y == 0) or not self.player.scale == 1.0: # HACK due to bug: player scale is sometimes wrong (sent by server?) in spectate mode
window_scale = max(self.win_size.x / 1920, self.win_size.y / 1080)
new_screen_scale = self.player.scale * window_scale * self.screen_zoom_scale
self.screen_scale = lerp_smoothing(self.screen_scale, new_screen_scale, 0.1, 0.0001)
smoothing_factor = 0.1
if self.player.is_alive:
smoothing_factor = 0.3
self.world_center.x = lerp_smoothing(self.world_center.x, self.player.center.x, smoothing_factor, 0.01)
self.world_center.y = lerp_smoothing(self.world_center.y, self.player.center.y, smoothing_factor, 0.01)
self.world = self.player.world
elif self.world.size:
new_screen_scale = min(self.win_size.x / self.world.size.x, self.win_size.y / self.world.size.y) * self.screen_zoom_scale
self.screen_scale = lerp_smoothing(self.screen_scale, new_screen_scale, 0.1, 0.0001)
self.world_center = self.world.center
else:
# happens when the window gets drawn before the world got updated
self.screen_scale = self.screen_zoom_scale
self.world_center = Vec(0, 0)
def draw(self, widget, cairo_context):
self.buttons = []
c = Canvas(cairo_context)
if self.draw_subscriber:
self.recalculate()
self.draw_subscriber.on_draw_background(c, self)
self.draw_subscriber.on_draw_cells(c, self)
self.draw_minimap_backgound(c, self)
self.draw_subscriber.on_draw_minimap(c, self)
self.draw_subscriber.on_draw_hud(c, self)
def draw_minimap_backgound(self, c, w):
if w.world.size:
minimap_w = w.win_size.x / 5
minimap_size = Vec(minimap_w, minimap_w)
minimap_scale = minimap_size.x / w.world.size.x
minimap_offset = w.win_size - minimap_size
def world_to_map(world_pos):
pos_from_top_left = world_pos - w.world.top_left
return minimap_offset + pos_from_top_left * minimap_scale
# minimap background
c.fill_rect(minimap_offset, size=minimap_size,
color=to_rgba(DARK_GRAY, .8))
# outline the area visible in window
c.stroke_rect(world_to_map(w.screen_to_world_pos(Vec(0, 0))),
world_to_map(w.screen_to_world_pos(w.win_size)),
width=1, color=BLACK)
