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/* Implementation of Intro class.
*
* Copyright (c) 2003, 04 Ole Laursen.
*
* 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; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
#include <config.h>
#include <gdk/gdkkeysyms.h>
#include "intro.hpp"
#include "main-window.hpp"
#include "i18n.hpp"
Intro::Intro()
: state(0)
{
Glib::signal_timeout()
.connect(sigc::mem_fun(*this, &Intro::main_loop), 1000 / iterations_per_sec);
update(); // setup first screen
}
Intro::~Intro()
{
MainWindow::instance().remove_message();
}
void Intro::key_pressed(unsigned int keyval)
{
switch (keyval) {
case GDK_space:
case GDK_Return:
case GDK_KP_Enter:
{
bool changed;
do {
changed = update();
} while (!changed);
}
break;
case GDK_Escape:
MainWindow::instance().intro_finished();
break;
}
}
bool Intro::main_loop()
{
update();
return true;
}
bool Intro::update()
{
MainWindow &mw = MainWindow::instance();
bool changed = true;
int sum = 0;
if (state == sum)
mw.display_message(_("In the old days, before man entered the "
"world, the gnomes were abundant."), false);
else if (state == (sum += 5))
mw.display_message(_("Through centuries of hard labour, only "
"slightly eased by the levitational "
"powers provided to them by their god, "
"they bored out shafts and caves in the "
"mountains."), false);
else if (state == (sum += 10))
mw.display_message(_("Always seeking the precious stones and "
"valuable ore..."), false);
else if (state == (sum += 5))
mw.display_message(_("But one clan dug deeper than the "
"others. Only its wealth was growing "
"quicker than its greed."), false);
else if (state == (sum += 7))
mw.display_message(_("The years went by. The chief of the "
"clan became the king of the gnomes. "
"Thousands of men, women and children "
"were sent to work in the deepest, most "
"profitable mines."), false);
else if (state == (sum += 10))
mw.display_message(_("Then one day a large deposit of coal "
"was found. Or so it was thought..."), false);
else if (state == (sum += 6))
mw.display_message(_("From the black carbon, a strange "
"creature rose!"), false);
else if (state == (sum += 5))
mw.display_message(_("The first moments of surprise among "
"the workers were replaced with horror "
"as hundreds of other shapes broke out "
"of the vein, crushing everything and "
"everybody on their way."), false);
else if (state == (sum += 10))
mw.display_message(_("For months, the clan fought the "
"monsters. Only a handful of messengers "
"sent out to warn the other clans "
"survived."), false);
else if (state == (sum += 7))
mw.display_message(_("The world of the gnomes was "
"threatened..."), false);
else if (state == (sum += 5))
mw.display_message(_("By the black monsters made of carbon "
"harder than steel, mechanical in their "
"stupidity; but deadly."), false);
else if (state == (sum += 8))
mw.display_message(_("By the armoured monsters so "
"well-protected that only the bed-rock "
"was hard enough to slay them."), false);
else if (state == (sum += 8))
mw.display_message(_("By the seekers, sneaky and tricky, red "
"from the gnome blood that their spikes "
"had spilled."), false);
else if (state == (sum += 8))
mw.display_message(_("And by the blue egg layers that "
"multiplied their number by thousands."), false);
else if (state == (sum += 7))
mw.display_message(_("The only remaining hope of the gnomes "
"was a humble levitation worker. He had "
"found a way to mash the monsters "
"against the mountain rocks."), false);
else if (state == (sum += 10))
mw.display_message(_("That hope is you."), false);
else if (state == (sum += 5))
mw.display_message(_("You must battle your way deep into the "
"mountains, past each of the levels of "
"the clan of the kings and clear the way "
"for the rock summoners to block the "
"vein."), false);
else if (state == (sum += 10))
mw.display_message(_("Only then can the gnomes survive..."), false);
else if (state == (sum += 12))
; // do nothing, just wait
else if (state >= (sum += 1))
{
mw.intro_finished();
// this Intro has just been deleted, so return immediately
return true;
}
else
changed = false;
++state;
return changed;
}
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