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#
# 20,000 Light Years Into Space
# This game is licensed under GPL v2, and copyright (C) Jack Whitham 2006-07.
#
# A very lightweight menu system.
import pygame
from pygame.locals import *
import stats , extra , resource , render , sound
class Menu:
def __init__(self, menu_options, force_width=0):
self.options = menu_options
self.control_rects = []
self.hover = None
self.bbox = None
self.selection = None
self.update_required = True
width_hint = height_hint = 10
if ( force_width > 0 ):
width_hint = force_width
# Two attempts at drawing required.
(discard1, discard2,
(width_hint, height_hint)) = self.__Draw((width_hint, height_hint))
if ( width_hint < 150 ):
width_hint = 150
if ( force_width > 0 ):
width_hint = force_width
(self.surf_store, self.control_rects,
(discard1, discard2)) = self.__Draw((width_hint, height_hint))
self.bbox = Rect(0, 0, width_hint, height_hint)
def Get_Command(self):
return self.selection
def Select(self, snum):
self.update_required = True
self.selection = snum
def Mouse_Move(self, spos):
if (( spos == None )
or ( not self.bbox.collidepoint(spos) )):
self.hover = None
return
self.update_required = True
(x,y) = spos
old_sel = self.hover
self.hover = None
x -= self.bbox.left
y -= self.bbox.top
for (num, r) in self.control_rects:
if ( r.collidepoint(x,y) ):
self.hover = num
if ( old_sel != self.hover ):
sound.FX("click_s")
return
def Mouse_Down(self, spos):
self.Mouse_Move(spos)
if ( self.hover != None ):
self.selection = self.hover
sound.FX("click")
def Key_Press(self, k):
for (num, name, hotkeys) in self.options:
if (( hotkeys != None ) and ( k in hotkeys )):
self.selection = num
self.update_required = True
sound.FX("click")
return
def Draw(self, output, centre=None):
if ( self.update_required ):
self.update_required = False
if ( centre == None ):
self.bbox.center = output.get_rect().center
else:
self.bbox.center = centre
self.bbox.clamp_ip(output.get_rect())
output.blit(self.surf_store, self.bbox.topleft)
for (num, r) in self.control_rects:
r = Rect(r)
r.top += self.bbox.top
r.left += self.bbox.left
if ( num == self.selection ):
pygame.draw.rect(output, (255, 255, 255), r, 1)
elif ( num == self.hover ):
pygame.draw.rect(output, (0, 180, 0), r, 1)
def __Draw(self, (width_hint, height_hint)):
surf = pygame.Surface((width_hint, height_hint))
bbox = Rect(0, 0, width_hint, height_hint)
extra.Tile_Texture(surf, "006metal.jpg", surf.get_rect())
margin = 8
w = bbox.width - ( margin * 2 )
th = None
y = margin + bbox.top
control_rects = []
max_width = 0
first_item = True
for (num, name, hotkeys) in self.options:
if ( name == None ): # a gap
if ( first_item ):
img = resource.Load_Image("header.jpg")
img_r = img.get_rect()
img_r.center = bbox.center
img_r.top = y
surf.blit(img, img_r.topleft)
extra.Edge_Effect(surf, img_r)
max_width = img_r.width + ( margin * 2 )
y += img_r.height
y += margin * 2
continue
txt = render.Render(name, 18, (50,200,20), (200,200,0))
if ( th == None ):
th = txt.get_rect().height + ( margin * 2 )
tw = txt.get_rect().width + ( margin * 2 )
if ( tw > max_width ):
max_width = tw
x = bbox.left + margin
r = Rect(x,y,w,th)
x += self.Justify(w,txt.get_rect().width)
extra.Tile_Texture(surf, "greenrust.jpg", r)
extra.Edge_Effect(surf, r)
self.Enhancement_Interface(surf, num, r, margin)
surf.blit(txt, (x,y + margin - 1))
y += th + margin
control_rects.append((num, r))
first_item = False
# Finalise drawing
extra.Line_Edging(surf, bbox, True)
return (surf, control_rects, (max_width, y))
def Justify(self, width, text_width):
return ( width - text_width ) / 2
def Enhancement_Interface(self, surf, num, rect, margin):
pass
# Menu plus pictures!
class Enhanced_Menu(Menu):
def __init__(self, menu_options, pictures, force_width=0):
self.pictures = pictures
Menu.__init__(self, menu_options, force_width)
def Enhancement_Interface(self, surf, num, rect, margin):
if ( self.pictures.has_key( num ) ):
img = resource.Load_Image( self.pictures[ num ] )
img_r = img.get_rect()
img_r.center = rect.center
img_r.left = rect.left + margin
surf.blit(img, img_r.topleft)
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