intro.cpp

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/* $Id: intro.cpp 52533 2012-01-07 02:35:17Z shadowmaster $ */
/*
   Copyright (C) 2003 - 2012 by David White <dave@whitevine.net>
   Part of the Battle for Wesnoth Project http://www.wesnoth.org/

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY.

   See the COPYING file for more details.
*/

/**
 * @file
 * Introduction sequence at start of a scenario, End-screen after end of
 * campaign.
 */

#include "global.hpp"

#include "intro.hpp"

#include "display.hpp"
#include "gettext.hpp"
#include "log.hpp"
#include "marked-up_text.hpp"
#include "storyscreen/interface.hpp"

static lg::log_domain log_engine("engine");
#define ERR_NG LOG_STREAM(err, log_engine)
#define LOG_NG LOG_STREAM(info, log_engine)

static bool use_shadowm_storyscreen = false;

static void the_end_old(display &disp, std::string text, unsigned int duration)
{
    //
    // Some sane defaults.
    //
    if(text.empty())
        text = _("The End");
    if(!duration)
        duration = 3500;

    SDL_Rect area = screen_area();
    CVideo &video = disp.video();
    sdl_fill_rect(video.getSurface(),&area,0);

    update_whole_screen();
    disp.flip();

    const size_t font_size = font::SIZE_XLARGE;

    area = font::text_area(text,font_size);
    area.x = screen_area().w/2 - area.w/2;
    area.y = screen_area().h/2 - area.h/2;

    for(size_t n = 0; n < 255; n += 5) {
        if(n)
            sdl_fill_rect(video.getSurface(),&area,0);

        const SDL_Color col = create_color(n, n, n, n);
        font::draw_text(&video,area,font_size,col,text,area.x,area.y);
        update_rect(area);

        events::pump();
        events::raise_process_event();
        events::raise_draw_event();
        disp.flip();
        disp.delay(10);
    }

    //
    // Delay after the end of fading.
    // Rounded to multiples of 10.
    //
    unsigned int count = duration/10;
    while(count) {
        events::pump();
        events::raise_process_event();
        events::raise_draw_event();
        disp.flip();
        disp.delay(10);
        --count;
    }
}

void set_new_storyscreen(bool enabled)
{
    use_shadowm_storyscreen = enabled;
    LOG_NG << "enabled experimental story/endscreen code\n";
}

void the_end(display &disp, std::string text, unsigned int duration)
{
    if(use_shadowm_storyscreen) {
        show_endscreen(disp, t_string(text) /* dumb! */, duration);
    }
    else {
        the_end_old(disp,text,duration);
    }
}