pmachines/scene.py

   1 from panda3d.core import AmbientLight, DirectionalLight, Point3
   2 from panda3d.bullet import BulletPlaneShape, BulletGhostNode
   3 from direct.gui.OnscreenImage import OnscreenImage
   4 from direct.gui.DirectGui import DirectButton
   5 from direct.gui.DirectGuiGlobals import FLAT, DISABLED, NORMAL
   6 from direct.showbase.DirectObject import DirectObject
   7 from pmachines.items.background import Background
   8 from pmachines.items.box import Box
   9 from pmachines.sidepanel import SidePanel
  10 from lib.engine.gui.cursor import MouseCursor
  11 from lib.lib.p3d.gfx import P3dGfxMgr
  12
  13
  14 class Scene(DirectObject):
  15
  16     def __init__(self, world):
  17         super().__init__()
  18         self._world = world
  19         self._set_camera()
  20         self._cursor = MouseCursor(
  21             'assets/buttons/arrowUpLeft.png', (.04, 1, .04), (.5, .5, .5, 1),
  22             (.01, .01))
  23         self._set_gui()
  24         self._set_lights()
  25         self._set_input()
  26         self._set_mouse_plane()
  27         Background()
  28         self.items = [Box(world, self._mouse_plane_node, 3, self.cb_inst)]
  29         self._side_panel = SidePanel(world, self._mouse_plane_node, (-5, 4), (-3, 1), 1)
  30         taskMgr.add(self.on_frame, 'on_frame')
  31
  32     def _set_camera(self):
  33         base.camera.set_pos(0, -20, 0)
  34         base.camera.look_at(0, 0, 0)
  35
  36     def _set_gui(self):
  37         def load_img_btn(path, col):
  38             img = OnscreenImage('assets/buttons/%s.png' % path)
  39             img.set_transparency(True)
  40             img.set_color(col)
  41             img.detach_node()
  42             return img
  43         def load_images_btn(path, col):
  44             colors = {
  45                 'gray': [
  46                     (.6, .6, .6, 1),  # ready
  47                     (1, 1, 1, 1), # press
  48                     (.8, .8, .8, 1), # rollover
  49                     (.4, .4, .4, .4)],
  50                 'green': [
  51                     (.1, .68, .1, 1),
  52                     (.1, 1, .1, 1),
  53                     (.1, .84, .1, 1),
  54                     (.4, .1, .1, .4)]}[col]
  55             return [load_img_btn(path, col) for col in colors]
  56         abl, abr = base.a2dBottomLeft, base.a2dBottomRight
  57         btn_info = [
  58             ('home', self.on_home, DISABLED, abl, 'gray'),
  59             ('information', self.on_information, DISABLED, abl, 'gray'),
  60             ('right', self.on_play, NORMAL, abr, 'green'),
  61             ('next', self.on_next, DISABLED, abr, 'gray'),
  62             ('previous', self.on_prev, DISABLED, abr, 'gray'),
  63             ('rewind', self.on_rewind, DISABLED, abr, 'gray')]
  64         num_l = num_r = 0
  65         for binfo in btn_info:
  66             imgs = load_images_btn(binfo[0], binfo[4])
  67             if binfo[3] == base.a2dBottomLeft:
  68                 sign, num = 1, num_l
  69                 num_l += 1
  70             else:
  71                 sign, num = -1, num_r
  72                 num_r += 1
  73             fcols = (.4, .4, .4, .14), (.3, .3, .3, .05)
  74             btn = DirectButton(
  75                 image=imgs, scale=.05, pos=(sign * (.06 + .11 * num), 1, .06),
  76                 parent=binfo[3], command=binfo[1], state=binfo[2], relief=FLAT,
  77                 frameColor=fcols[0] if binfo[2] == NORMAL else fcols[1],
  78                 rolloverSound=loader.load_sfx('assets/audio/sfx/rollover.ogg'),
  79                 clickSound=loader.load_sfx('assets/audio/sfx/click.ogg'))
  80             btn.set_transparency(True)
  81
  82     def _set_directional_light(self, name, hpr, color):
  83         light = DirectionalLight(name)
  84         light_np = render.attach_new_node(light)
  85         light_np.set_hpr(*hpr)
  86         light.set_color(color)
  87         render.set_light(light_np)
  88
  89     def _set_lights(self):
  90         alight = AmbientLight('alight')  # for ao
  91         alight.set_color((.4, .4, .4, 1))
  92         alnp = render.attach_new_node(alight)
  93         render.set_light(alnp)
  94         self._set_directional_light('key light', (315, -60, 0),
  95                                     (3.6, 3.6, 3.6, 1))
  96         self._set_directional_light('fill light', (195, -30, 0),
  97                                     (.4, .4, .4, 1))
  98         self._set_directional_light('rim light', (75, -30, 0), (.3, .3, .3, 1))
  99
 100     def _set_input(self):
 101         self.accept('mouse1', self.on_click_l)
 102         self.accept('mouse1-up', self.on_release)
 103         self.accept('mouse3', self.on_click_r)
 104         self.accept('mouse3-up', self.on_release)
 105
 106     def _set_mouse_plane(self):
 107         shape = BulletPlaneShape((0, -1, 0), 0)
 108         #self._mouse_plane_node = BulletRigidBodyNode('mouse plane')
 109         self._mouse_plane_node = BulletGhostNode('mouse plane')
 110         self._mouse_plane_node.addShape(shape)
 111         #np = render.attachNewNode(self._mouse_plane_node)
 112         #self._world.attachRigidBody(self._mouse_plane_node)
 113         self._world.attach_ghost(self._mouse_plane_node)
 114
 115     def _get_hits(self):
 116         if not base.mouseWatcherNode.has_mouse(): return []
 117         p_from, p_to = P3dGfxMgr.world_from_to(base.mouseWatcherNode.get_mouse())
 118         return self._world.ray_test_all(p_from, p_to).get_hits()
 119
 120     def _on_click(self, method):
 121         for hit in self._get_hits():
 122             if hit.get_node() == self._mouse_plane_node:
 123                 pos = hit.get_hit_pos()
 124         for hit in self._get_hits():
 125             for item in [i for i in self.items if hit.get_node() == i.node]:
 126                 getattr(item, method)(pos)
 127                 img = 'move' if method == 'on_click_l' else 'rotate'
 128                 self._cursor.set_image('assets/buttons/%s.png' % img)
 129
 130     def on_click_l(self):
 131         self._on_click('on_click_l')
 132
 133     def on_click_r(self):
 134         self._on_click('on_click_r')
 135
 136     def on_release(self):
 137         [item.on_release() for item in self.items]
 138         self._cursor.set_image('assets/buttons/arrowUpLeft.png')
 139
 140     def on_aspect_ratio_changed(self):
 141         [item.on_aspect_ratio_changed() for item in self.items]
 142         self._side_panel.update(self.items)
 143
 144     def on_frame(self, task):
 145         hits = self._get_hits()
 146         pos = None
 147         for hit in self._get_hits():
 148             if hit.get_node() == self._mouse_plane_node:
 149                 pos = hit.get_hit_pos()
 150         hit_nodes = [hit.get_node() for hit in hits]
 151         items_hit = [itm for itm in self.items if itm.node in hit_nodes]
 152         items_no_hit = [itm for itm in self.items if itm not in items_hit]
 153         [itm.on_mouse_on() for itm in items_hit]
 154         [itm.on_mouse_off() for itm in items_no_hit]
 155         if pos:
 156             [itm.on_mouse_move(pos) for itm in self.items]
 157         return task.cont
 158
 159     def cb_inst(self, item):
 160         self.items += [item]
 161
 162     def on_play(self):
 163         [itm.play() for itm in self.items]
 164
 165     def on_next(self):
 166         print('on_next')
 167
 168     def on_prev(self):
 169         print('on_prev')
 170
 171     def on_rewind(self):
 172         print('on_rewind')
 173
 174     def on_home(self):
 175         print('on_home')
 176
 177     def on_information(self):
 178         print('on_information')