Mercurial > boomslang

annotate gamelib/gamescreen.py @ 63:3087be3463e0

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Some framework support for better message handling
author Neil Muller <neil@dip.sun.ac.za>
date Mon, 23 Aug 2010 18:32:15 +0200
parents 9048cf43f613
children cab924519037
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1 # gamescreen.py
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2 # Copyright Boomslang team, 2010 (see COPYING File)
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3 # Main menu for the game
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4
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5 from state import initial_state, Item
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6 from hand import HandButton
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7 from popupmenu import PopupMenu
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8 from constants import BUTTON_SIZE
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9
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10 from pygame.color import Color
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11 from pygame import Rect
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12 from pygame.locals import BLEND_ADD
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13 from albow.screen import Screen
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14 from albow.resource import get_font
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15 from albow.controls import Button, Label, Widget
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16 from albow.layout import Column
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17 from albow.palette_view import PaletteView
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19
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20 class InventoryView(PaletteView):
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21
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22 sel_color = Color("yellow")
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23 sel_width = 2
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24
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25 def __init__(self, state, handbutton):
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26 PaletteView.__init__(self, (BUTTON_SIZE, BUTTON_SIZE), 1, 6, scrolling=True)
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27 self.state = state
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28 self.selection = None
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29 self.handbutton = handbutton
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31 def num_items(self):
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32 return len(self.state.inventory)
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33
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34 def draw_item(self, surface, item_no, rect):
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35 item_image = self.state.inventory[item_no].get_inventory_image()
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36 surface.blit(item_image, rect, None, BLEND_ADD)
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38 def click_item(self, item_no, event):
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39 self.selection = item_no
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40 self.handbutton.unselect()
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41
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42 def item_is_selected(self, item_no):
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43 return self.selection == item_no
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44
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45 def unselect(self):
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46 self.selection = None
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48
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49 class StateWidget(Widget):
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50
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51 def __init__(self, state):
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52 Widget.__init__(self, Rect(0, 0, 800, 600 - BUTTON_SIZE))
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53 self.state = state
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54 # current mouse-over thing description
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55 self.description = None
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56
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57 def draw(self, surface):
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58 self.state.draw(surface)
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59 if self.description:
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60 print self.description
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61 msg = self.state.get_message()
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62 if msg:
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63 # FIXME: add some timer to invalidate msgs
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64 print msg
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65 self.state.clear_message()
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66
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67 def mouse_move(self, event):
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68 old_desc = self.description
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69 self.description = self.state.get_description(event.pos)
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70 if self.description != old_desc:
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71 # queue a redraw
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72 self.invalidate()
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73
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74 class GameScreen(Screen):
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75 def __init__(self, shell):
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76 Screen.__init__(self, shell)
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77
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78 # TODO: Randomly plonk the state here for now
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79 self.state = initial_state()
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80 self.state_widget = StateWidget(self.state)
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81 self.add(self.state_widget)
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82
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83 AddItemButton = Button('Add item', action = self.add_item)
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84 menu = Column([
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85 AddItemButton,
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86 Button('Use hand', action = lambda: self.state.scenes['cryo'].things['cryo.door'].interact(None)),
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87 Button('Use triangle', action = lambda: self.state.scenes['cryo'].things['cryo.door'].interact(self.state.items['triangle'])),
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88 Button('Use titanium_leg', action = lambda: self.state.scenes['cryo'].things['cryo.door'].interact(self.state.items['titanium_leg'])),
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89 ], align='l', spacing=20)
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90 self.add_centered(menu)
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91 self.popup_menu = PopupMenu(shell)
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92 self.menubutton = Button('Menu', action=self.popup_menu.show_menu)
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93 self.menubutton.font = get_font(16, 'Vera.ttf')
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94 self.menubutton.set_rect(Rect(0, 0, BUTTON_SIZE, BUTTON_SIZE))
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95 self.menubutton.bottomleft = self.bottomleft
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96 self.menubutton.margin = (BUTTON_SIZE - self.menubutton.font.get_linesize()) / 2
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97 self.add(self.menubutton)
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98 self.handbutton = HandButton(action=self.hand_pressed)
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99 self.handbutton.bottomleft = self.bottomleft
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100 self.handbutton.get_rect().move_ip(BUTTON_SIZE, 0)
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101 self.add(self.handbutton)
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102 self.inventory = InventoryView(self.state, self.handbutton)
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103
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104 self.inventory.bottomleft = self.bottomleft
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105 self.inventory.get_rect().move_ip(2 * BUTTON_SIZE, 0)
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106 self.add(self.inventory)
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107
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108 # Test items
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109 self.state.add_inventory_item('triangle')
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110 self.state.add_inventory_item('titanium_leg')
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111
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112
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113 # Albow uses magic method names (command + '_cmd'). Yay.
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114 # Albow's search order means they need to be defined here, not in
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115 # PopMenu, which is annoying.
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116 def hide_cmd(self):
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117 # This option does nothing, but the method needs to exist for albow
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118 return
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119
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120 def main_menu_cmd(self):
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121 self.shell.show_screen(self.shell.menu_screen)
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122
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123 def add_item(self):
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124 self.state.add_inventory_item("triangle")
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125
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126 def hand_pressed(self):
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127 self.handbutton.toggle_selected()
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128 self.inventory.unselect()
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129
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