"gamemenu handler. main menu"

import math, os
import pygame
from pygame.locals import *
import game, gfx, snd, txt
import gameplay



credits = (
    ('Developer', ('Pete "ShredWheat" Shinners',)),
    ('Graphics', ('Eero Tamminen',)),
    ('Music', ('"theGREENzebra"',)),
    ('Programming Help', ('Aaron "APS" Schlaegel', 'Michael "MU" Urman')),
    ('Special Thanks', ('David "Futility" Clark', 'Shandy Brown', 'John "Jacius" Croisant', 'Guido "Python" van Rossom', 'Sam "SDL" Lantinga')),
)

licenseinfo = ('This program is free software. You are encouraged to',
               'make copies and modify it, subject to the LGPL.',
               'See "lgpl.txt" file for details.')


fonts = []
images = []

def load_game_resources():
    global fonts, images
    fontname = None
    fonts.append((txt.Font(fontname, 30), (50, 120, 100)))
    fonts.append((txt.Font(fontname, 44), (100, 100, 250)))

    img = gfx.load('oldsolarfox.png')
    r = img.get_rect()
    r.bottomright = gfx.rect.bottomright
    images.append((img, r))

    img = gfx.load('pygame_powered.gif')
    r = img.get_rect().move(540, 20)
    images.append((img, r))

    img = gfx.load('sdlpowered.png')
    r = img.get_rect().move(630, 150)
    images.append((img, r))

    img = gfx.load('pythonpowered.gif')
    r = img.get_rect().move(650, 280)
    images.append((img, r))

    img = gfx.load('menu_creds_on.png')
    r = img.get_rect().move(20, 5)
    images.append((img, r))

    font = txt.Font(None, 15)
    top = 560
    mid = 400
    for l in licenseinfo:
        t = font.text((50, 150, 150), l, (mid, top))
        top += t[1].height
        images.append(t)

    snd.preload('select_choose')


class GameCreds:
    def __init__(self, prevhandler):
        self.prevhandler = prevhandler
        self.done = 0
        self.center = gfx.rect.centerx - 120
        self.text = []
        self.credits = []
        self.area = Rect(40, 140, 500, 400)
        self.offset = 0
        for cred in credits:
            self.createtext(cred[0], 0)
            for peop in cred[1]:
                self.createtext(peop, 1)
            self.offset += 30
        self.offset = 0.0
        self.oldoffsety = 0.0
        self.text.extend(images)
        self.first = 1
        self.fade = ((1, 4), (8, 3), (15, 2), (21, 1))
        self.darkpic = pygame.Surface(self.area.size)
        self.darkpic.set_alpha(3)

    def createtext(self, text, size):
        f, c = fonts[size]
        t = f.textlined(c, text, (self.center, 0))
        t[1].top = self.offset
        self.offset = t[1].bottom - 5
        self.credits.append(t)


    def quit(self):
        gfx.dirty(self.background(gfx.rect))
        game.handler = self.prevhandler
        self.done = 1
        snd.play('select_choose')


    def input(self, i):
        self.quit()

    def event(self, e):
        pass


    def run(self):
        if self.first:
            gfx.dirty(gfx.rect)
            self.first = 0
        ratio = game.clockticks / 25
        speedadjust = max(ratio, 1.0)

        self.offset += speedadjust * 1.0
        offsety = self.area.bottom-self.offset

        oldclip = gfx.surface.get_clip()


        gfx.surface.blit(self.darkpic, self.area)

        gfx.updatestars(self.background, gfx)

        item = 0.0
        if not self.done:
            for cred, pos in self.text:
                gfx.surface.blit(cred, pos)
            gfx.surface.set_clip(self.area)
            for cred, pos in self.credits:
                offsetx = math.cos(self.offset * .04 + item)*30.0
                item -= 0.25
                r = pos.move(offsetx, offsety)
                bottom = r.bottom
                gfx.surface.blit(cred, r)
                #gfx.dirty(gfx.surface.blit(cred, r))
            gfx.surface.set_clip(oldclip)
            gfx.dirty(self.area)

            for y,h in self.fade:
                r = Rect(self.area.left, self.area.top+y, self.area.width, h)
                self.background(r)
                r = Rect(self.area.left, self.area.bottom-y-h, self.area.width, h)
                self.background(r)

            if bottom < self.area.top:
                self.offset = 0.0

        else:
            for text in self.text:
                r = text[1]
                gfx.dirty(self.background(text[1]))

    def background(self, area):
        return gfx.surface.fill((0, 0, 0), area)