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// SPDX-License-Identifier: AGPL-3.0-or-later
// SPDX-FileCopyrightText: Wolfgang Silbermayr <wolfgang@silbermayr.at>
use anyhow::{Error, Result};
use freenukum::{
data::original_data_dir,
game,
graphics::load_default_font,
infobox, inputbox,
mainmenu::{mainmenu, MainMenuEntry},
picture::show_splash,
savegame::SaveGame,
settings::Settings,
sound::SoundCache,
tilecache::TileCache,
DefaultSizes, UserEvent, WINDOW_HEIGHT, WINDOW_WIDTH,
};
use sdl2::pixels::Color;
use std::fs::File;
fn main() -> Result<()> {
const VERSION: &str = env!("CARGO_PKG_VERSION");
let mut settings = Settings::load_or_create();
let sdl_context = sdl2::init().map_err(Error::msg)?;
let video_subsystem = sdl_context.video().map_err(Error::msg)?;
let ttf_context = sdl2::ttf::init()?;
let event_subsystem = sdl_context.event().map_err(Error::msg)?;
let timer_subsystem = sdl_context.timer().map_err(Error::msg)?;
let audio_subsystem = sdl_context.audio().map_err(Error::msg)?;
let controller_subsystem =
sdl_context.game_controller().map_err(Error::msg)?;
controller_subsystem.set_event_state(true);
let mut controllers = Vec::new();
for i in 0..controller_subsystem.num_joysticks().map_err(Error::msg)? {
if controller_subsystem.is_game_controller(i) {
controllers.push(controller_subsystem.open(i).unwrap());
}
}
let mut event_pump = sdl_context.event_pump().map_err(Error::msg)?;
let event_sender = event_subsystem.event_sender();
event_subsystem
.register_custom_event::<UserEvent>()
.map_err(Error::msg)?;
let scale = if settings.pixelsize > 0 {
settings.pixelsize
} else {
1
} as u32;
let sizes = DefaultSizes;
let window = game::create_window(
WINDOW_WIDTH * scale,
WINDOW_HEIGHT * scale,
settings.fullscreen,
&format!("Freenukum {}", VERSION),
&video_subsystem,
)?;
let mut canvas = window.into_canvas().present_vsync().build()?;
canvas
.set_scale(scale as f32, scale as f32)
.map_err(Error::msg)?;
canvas.set_draw_color(Color::RGB(0, 0, 0));
canvas.clear();
canvas.present();
let texture_creator = canvas.texture_creator();
let mut episodes = game::check_episodes(
&mut canvas,
&load_default_font(&ttf_context)?,
&texture_creator,
&mut event_pump,
)?;
let tilecache = TileCache::load_from_path(&original_data_dir())?;
let soundcache = SoundCache::load_from_path(&original_data_dir())?;
let mut bg_filepath = original_data_dir().join("dn.dn1");
{
let mut file = File::open(&bg_filepath)?;
show_splash(&mut canvas, &tilecache, &mut file, &mut event_pump)?;
}
infobox::show(
&mut canvas,
&tilecache,
"DISCLAIMER\n\
\n\
This is an early development\n\
version of the game.\n\
\n\
Expect functionality to be\n\
broken or missing.\
",
&mut event_pump,
)?;
'menu_loop: loop {
match mainmenu(
&mut canvas,
&tilecache,
&mut event_pump,
&event_sender,
&timer_subsystem,
)? {
MainMenuEntry::Start => {
game::start(
&mut canvas,
&tilecache,
&soundcache,
&mut settings,
&episodes,
&mut event_pump,
&event_sender,
&timer_subsystem,
&audio_subsystem,
&sizes,
None,
)?;
let mut file = File::open(&bg_filepath)?;
show_splash(
&mut canvas,
&tilecache,
&mut file,
&mut event_pump,
)?;
}
MainMenuEntry::Restore => {
let answer = inputbox::show(
&mut canvas,
&tilecache,
"Restore a game.\n\
Which game number\n\
do you want to load?\n\
Choose (1-9):",
1,
&mut event_pump,
)?;
if let inputbox::Answer::Ok(slot) = answer {
match slot.parse::<usize>() {
Ok(slot) if slot > 0 => {
let episode_name =
episodes.string_identifier();
println!(
"Loading savegame from slot {:?}",
slot
);
if SaveGame::exists(&episode_name, slot) {
match SaveGame::load(&episode_name, slot) {
Ok(savegame) => {
game::start(
&mut canvas,
&tilecache,
&soundcache,
&mut settings,
&episodes,
&mut event_pump,
&event_sender,
&timer_subsystem,
&audio_subsystem,
&sizes,
Some(savegame),
)?;
}
Err(e) => {
eprintln!("{:?}", e);
infobox::show(
&mut canvas,
&tilecache,
&format!("Error loading game:\n{:?}", e),
&mut event_pump)?;
}
}
} else {
infobox::show(
&mut canvas,
&tilecache,
&format!("Slot {} is empty", slot),
&mut event_pump,
)?;
}
}
Ok(_) | Err(_) => {
infobox::show(
&mut canvas,
&tilecache,
"Not a valid number",
&mut event_pump,
)?;
}
}
}
let mut file = File::open(&bg_filepath)?;
show_splash(
&mut canvas,
&tilecache,
&mut file,
&mut event_pump,
)?;
}
MainMenuEntry::Instructions => {
infobox::show(
&mut canvas,
&tilecache,
"Instructions not implemented yet",
&mut event_pump,
)?;
}
MainMenuEntry::OrderingInfo => {
infobox::show(
&mut canvas,
&tilecache,
"Ordering info not implemented yet",
&mut event_pump,
)?;
}
MainMenuEntry::FullScreenToggle => {
use sdl2::video::FullscreenType;
// TODO: this causes the window to show artifacts
// that are lying around in memory, will need to
// fix that (and the scaling as well).
match canvas.window().fullscreen_state() {
FullscreenType::Off => {
settings.fullscreen = true;
canvas
.window_mut()
.set_fullscreen(FullscreenType::Desktop)
.map_err(Error::msg)?;
}
FullscreenType::True | FullscreenType::Desktop => {
settings.fullscreen = false;
canvas
.window_mut()
.set_fullscreen(FullscreenType::Off)
.map_err(Error::msg)?;
}
}
settings.save();
}
MainMenuEntry::EpisodeChange => {
let old = episodes.current();
let new = episodes.switch_next();
bg_filepath = original_data_dir()
.join(format!("dn.{}", episodes.file_extension()));
if old == new {
infobox::show(
&mut canvas,
&tilecache,
"\
You don't have another\n\
episode installed.\n\
\n\
We stay in this episode",
&mut event_pump,
)?;
}
let mut file = File::open(&bg_filepath)?;
show_splash(
&mut canvas,
&tilecache,
&mut file,
&mut event_pump,
)?;
}
MainMenuEntry::HighScores => {
infobox::show(
&mut canvas,
&tilecache,
"Highscores not implemented yet",
&mut event_pump,
)?;
}
MainMenuEntry::Previews => {
infobox::show(
&mut canvas,
&tilecache,
"Previews not implemented yet",
&mut event_pump,
)?;
}
MainMenuEntry::ViewUserDemo => infobox::show(
&mut canvas,
&tilecache,
"Userdemo not implemented yet",
&mut event_pump,
)?,
MainMenuEntry::TitleScreen => {
let mut file = File::open(&bg_filepath)?;
show_splash(
&mut canvas,
&tilecache,
&mut file,
&mut event_pump,
)?;
}
MainMenuEntry::Credits => infobox::show(
&mut canvas,
&tilecache,
"Credits not implemented yet",
&mut event_pump,
)?,
MainMenuEntry::Quit => {
break 'menu_loop;
}
MainMenuEntry::Invalid => {}
}
}
Ok(())
}