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nodes.py
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nodes.py
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import pygame
from scene.geometry import Point, Rect, Size
from scene.other import Texture
from scene.system import get_screen_size, get_bounds
from scene.touch_event_engine import Tee
class SceneView:
def __init__(self, size=None, name="window"):
if size:
self.size = size
else:
self.size = get_screen_size()
self.title = name
self.running = True
self.color = colours("gray")
# self.children = []
self.screen = None
self.bounds = (0, 0) # get_bounds(pygame.display.get_wm_info()["window"]) # todo, is this 0,0,?
self.scene = None
self.anti_alias = None
self.frame_interval = None
self.multi_touch_enabled = None
self.shows_fps = None
self.scene = None
self.tee = None
def present(self, orientations=None):
if self.scene.size:
self.size = self.scene.size
else:
self.scene.size = Size(*self.size)
pygame.init()
pygame.display.init()
self.screen = pygame.display.set_mode(self.size)
pygame.display.set_caption(self.title)
self.bounds = get_bounds(pygame.display.get_wm_info()["window"])
# self.scene.view = self
self.tee = Tee(self)
self.tee.size = self.size
self.scene.color = self.color
self.scene.setup()
self._loop()
def _loop(self):
while self.running:
self.tee.loop(pygame.event.get())
self.screen.fill(self.scene.color)
self.scene.draw()
self.scene.update()
self.scene._update_children(self)
pygame.display.flip()
pygame.quit()
def _quit(self):
self.running = False
class Node:
def __init__(self, position=(0, 0), z_position=0.0, scale=1.0,
x_scale=1.0, y_scale=1.0, alpha=1.0, speed=1.0, parent=None):
# parameters
self._position = Point(*position)
self.z_position = z_position
self.scale = scale
self.x_scale = x_scale
self.y_scale = y_scale
self._alpha = alpha
self.speed = speed
self.parent = None
self._root = None
self.children = []
if parent:
parent.add_child(self)
# attributes
# self.bbox
# self._alpha
# self.frame
# self.parent
self.paused = False
# self.position
self.scene = False
# self.speed
# self.y_scale
# self.z_position
self.rotation = 0
def _update_children(self, view):
for kid in self.children:
kid._update_children(view)
@property
def frame(self):
return Rect(*self._position, 1, 1)
@property
def bbox(self):
rec = self.frame
for kid in self.children:
rec = rec.union(kid.bbox)
return rec
@property
def alpha(self):
return self._alpha
@alpha.setter
def alpha(self, alpha):
self._alpha = alpha
@property
def position(self):
return Point(*self._position)
@position.setter
def position(self, position):
self._position = Point(*position)
def add_child(self, node):
node.parent = self
self.children.append(node)
self._new_root(self.parent._root)
def _new_root(self, root):
for kid in self.children:
kid._new_root(root)
self._root = root
def remove_from_parent(self):
self.parent.children.remove(self) # todo test
def remove_action(self, key): # TODO add actions
pass
def remove_all_actions(self): # TODO add actions
pass
def render_to_texture(self, crop_rect=None):
if not crop_rect:
crop_rect = self.frame
return Texture(pygame.Surface())
def point_to_scene(self, point): # todo make rotation work
point = self._position + point
return point
def point_from_scene(self, point): # todo
point = -self._position + point
return point
def run_action(self, action, key=""): # TODO add actions
pass
class EffectNode(Node):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
class SpriteNode(Node):
def __init__(self, texture=None, position=(0, 0), z_position=0.0, scale=1.0,
x_scale=1.0, y_scale=1.0, alpha=1.0, speed=1.0, parent=None,
size=None, color="white", blend_mode=0
):
super().__init__(position=position, z_position=z_position, scale=scale,
x_scale=x_scale, y_scale=y_scale, alpha=alpha, speed=speed, parent=parent)
self.color = colours(color)
self._size = 0
if texture:
if isinstance(texture, str):
texture = Texture(texture)
self.texture = texture
if size:
self.size = size
else:
size = self.texture.image.get_size()
else:
if not size:
size = (1, 1)
texture = pygame.Surface(size)
texture.fill(self.color)
self.texture = Texture(texture)
size = self.texture.image.get_size()
self._size = size
# parent.add_child(self)
# self.position = (0, 0)
self.rect = self.texture.image.get_rect()
self.rect.topleft = (0, 0)
self.anchor_point = (0.5, 0.5)
# self.parent = parent
# self.children = []
self.rotation = 0.0 # rads
self.blend_mode = blend_mode
def _update_children(self, view):
for kid in self.children:
kid._update_children(view)
pos = self.rect
pos.x = -pos.w * self.anchor_point[0]
pos.x += self.position[0]
pos.y = pos.h * (1 - self.anchor_point[1])
pos.y += self.position[1]
pos.y = self._root.size.y - pos.y
# view.screen.blit(self.texture.image, pos)
view.screen.blit(pygame.transform.smoothscale(self.texture.original, (self._size[0], self._size[1])), pos)
@property
def frame(self):
r = self.texture.image.get_bounding_rect()
r.x += self.position[0]
r.y += self.position[1]
return Rect(r.x, r.y, r.w, r.h)
@property
def alpha(self):
return self.texture.image.get_alpha()
# return self._alpha
@alpha.setter
def alpha(self, alpha):
self.texture.image.set_alpha(alpha)
self._alpha = alpha
@property
def size(self):
return Size(*self._size) # todo add gget
@size.setter
def size(self, size): # todo see if there is a better way to do this
self.texture.image = pygame.transform.scale(self.texture.original, (size[0], size[1]))
self._size = size
pygame.font.init()
class LabelNode(SpriteNode):
def __init__(self, text, font=('Helvetica', 20), *args, **kwargs):
super().__init__(*args, **kwargs)
self.text = text
self.font = font
self._pyfont = pygame.font.Font(None, font[1])
self._render()
def _render(self):
self.texture = Texture(self._pyfont.render(self.text, True, self.color))
class Scene(EffectNode):
def __init__(self, _size=None, color="gray", *args, **kwargs):
super().__init__(*args, **kwargs)
if _size:
self.size = Size(*_size)
else:
self.size = None
self.color = colours(color)
self.parent = self
self._root = self
def draw(self): # todo add opengl stuff
pass
def _quit(self):
self.running = False
def quit(self):
pass
def setup(self):
pass
def update(self):
pass
def touch_began(self, touch):
pass
def touch_moved(self, touch):
pass
def touch_ended(self, touch):
pass
@property
def bounds(self):
return Rect(0, 0, self.size[0], self.size[1])
_colourdic = {'aliceblue': (240, 248, 255),
'antiquewhite': (250, 235, 215),
'aqua': (0, 255, 255),
'aquamarine': (127, 255, 212),
'azure': (240, 255, 255),
'beige': (245, 245, 220),
'bisque': (255, 228, 196),
'black': (0, 0, 0),
'blanchedalmond': (255, 235, 205),
'blue': (0, 0, 255),
'blueviolet': (138, 43, 226),
'brown': (165, 42, 42),
'burlywood': (222, 184, 135),
'cadetblue': (95, 158, 160),
'chartreuse': (127, 255, 0),
'chocolate': (210, 105, 30),
'coral': (255, 127, 80),
'cornflowerblue': (100, 149, 237),
'cornsilk': (255, 248, 220),
'crimson': (220, 20, 60),
'cyan': (0, 255, 255),
'darkblue': (0, 0, 139),
'darkcyan': (0, 139, 139),
'darkgoldenrod': (184, 134, 11),
'darkgray': (169, 169, 169),
'darkgrey': (169, 169, 169),
'darkgreen': (0, 100, 0),
'darkkhaki': (189, 183, 107),
'darkmagenta': (139, 0, 139),
'darkolivegreen': (85, 107, 47),
'darkorange': (255, 140, 0),
'darkorchid': (153, 50, 204),
'darkred': (139, 0, 0),
'darksalmon': (233, 150, 122),
'darkseagreen': (143, 188, 143),
'darkslateblue': (72, 61, 139),
'darkslategray': (47, 79, 79),
'darkslategrey': (47, 79, 79),
'darkturquoise': (0, 206, 209),
'darkviolet': (148, 0, 211),
'deeppink': (255, 20, 147),
'deepskyblue': (0, 191, 255),
'dimgray': (105, 105, 105),
'dimgrey': (105, 105, 105),
'dodgerblue': (30, 144, 255),
'firebrick': (178, 34, 34),
'floralwhite': (255, 250, 240),
'forestgreen': (34, 139, 34),
'fuchsia': (255, 0, 255),
'gainsboro': (220, 220, 220),
'ghostwhite': (248, 248, 255),
'gold': (255, 215, 0),
'goldenrod': (218, 165, 32),
'gray': (128, 128, 128),
'grey': (128, 128, 128),
'green': (0, 128, 0),
'greenyellow': (173, 255, 47),
'honeydew': (240, 255, 240),
'hotpink': (255, 105, 180),
'indianred': (205, 92, 92),
'indigo': (75, 0, 130),
'ivory': (255, 255, 240),
'khaki': (240, 230, 140),
'lavender': (230, 230, 250),
'lavenderblush': (255, 240, 245),
'lawngreen': (124, 252, 0),
'lemonchiffon': (255, 250, 205),
'lightblue': (173, 216, 230),
'lightcoral': (240, 128, 128),
'lightcyan': (224, 255, 255),
'lightgoldenrodyellow': (250, 250, 210),
'lightgray': (211, 211, 211),
'lightgrey': (211, 211, 211),
'lightgreen': (144, 238, 144),
'lightpink': (255, 182, 193),
'lightsalmon': (255, 160, 122),
'lightseagreen': (32, 178, 170),
'lightskyblue': (135, 206, 250),
'lightslategray': (119, 136, 153),
'lightslategrey': (119, 136, 153),
'lightsteelblue': (176, 196, 222),
'lightyellow': (255, 255, 224),
'lime': (0, 255, 0),
'limegreen': (50, 205, 50),
'linen': (250, 240, 230),
'magenta': (255, 0, 255),
'maroon': (128, 0, 0),
'mediumaquamarine': (102, 205, 170),
'mediumblue': (0, 0, 205),
'mediumorchid': (186, 85, 211),
'mediumpurple': (147, 112, 219),
'mediumseagreen': (60, 179, 113),
'mediumslateblue': (123, 104, 238),
'mediumspringgreen': (0, 250, 154),
'mediumturquoise': (72, 209, 204),
'mediumvioletred': (199, 21, 133),
'midnightblue': (25, 25, 112),
'mintcream': (245, 255, 250),
'mistyrose': (255, 228, 225),
'moccasin': (255, 228, 181),
'navajowhite': (255, 222, 173),
'navy': (0, 0, 128),
'oldlace': (253, 245, 230),
'olive': (128, 128, 0),
'olivedrab': (107, 142, 35),
'orange': (255, 165, 0),
'orangered': (255, 69, 0),
'orchid': (218, 112, 214),
'palegoldenrod': (238, 232, 170),
'palegreen': (152, 251, 152),
'paleturquoise': (175, 238, 238),
'palevioletred': (219, 112, 147),
'papayawhip': (255, 239, 213),
'peachpuff': (255, 218, 185),
'peru': (205, 133, 63),
'pink': (255, 192, 203),
'plum': (221, 160, 221),
'powderblue': (176, 224, 230),
'purple': (128, 0, 128),
'red': (255, 0, 0),
'rosybrown': (188, 143, 143),
'royalblue': (65, 105, 225),
'saddlebrown': (139, 69, 19),
'salmon': (250, 128, 114),
'sandybrown': (244, 164, 96),
'seagreen': (46, 139, 87),
'seashell': (255, 245, 238),
'sienna': (160, 82, 45),
'silver': (192, 192, 192),
'skyblue': (135, 206, 235),
'slateblue': (106, 90, 205),
'slategray': (112, 128, 144),
'slategrey': (112, 128, 144),
'snow': (255, 250, 250),
'springgreen': (0, 255, 127),
'steelblue': (70, 130, 180),
'tan': (210, 180, 140),
'teal': (0, 128, 128),
'thistle': (216, 191, 216),
'tomato': (255, 99, 71),
'turquoise': (64, 224, 208),
'violet': (238, 130, 238),
'wheat': (245, 222, 179),
'white': (255, 255, 255),
'whitesmoke': (245, 245, 245),
'yellow': (255, 255, 0),
'yellowgreen': (154, 205, 50)}
def colours(c): # todo return 4 vaules
"""turns an imput in to a typle.
eg ffffff > (255, 255, 255) or 'black' > (0, 0, 0)"""
if isinstance(c, str):
if c in _colourdic:
return _colourdic[c]
elif c[0] == "#" and len(c) == 7:
return tuple(int(c[1:][i:i + 2], 16) for i in (0, 2, 4))
else:
raise "not a valid colour"
else:
try:
return (int(c[0]), int(c[1]), int(c[2]))
except Exception:
raise "not a valid colour"