logaritmisk/rust-smb
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rust-smb/src/main.rs

432 lines
15 KiB
Rust
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extern crate time;
extern crate sdl2;
extern crate sdl2_image;
use std::path::Path;
use std::thread::sleep_ms;
//use sdl2::video::{Window, WindowPos, OPENGL};
//use sdl2::timer::{get_ticks, delay};
use sdl2_image::LoadTexture;
use sdl2::rect::Rect;
use sdl2::keyboard::Keycode;
use sdl2::pixels::Color;
use tile::Layer;
use camera::Camera;
use player::Player;
use keyboard::KeyboardHandler;
use sprite::{Sprite, StaticSprite, AnimatedSprite};
mod tile;
mod camera;
mod player;
mod keyboard;
mod sprite;
const SCREEN_WIDTH : u32 = 960;
const SCREEN_HEIGHT : u32 = 640;
const TILE_WIDTH : u32 = 32;
const TILE_HEIGHT : u32 = 32;
const MS_PER_UPDATE : u64 = 10;
const PLAYER_SPEED_X : f32 = 4.0;
const PLAYER_THRESHOLD_X : f32 = 0.2;
const PLAYER_ACCELERATION_X_START : f32 = 0.02;
const PLAYER_ACCELERATION_X_STOP : f32 = 0.15;
const PLAYER_ACCELERATION_X_CHANGE : f32 = 0.06;
#[derive(Clone)]
enum Tile<'a> {
Empty,
Static(&'a StaticSprite<'a>, bool),
Background(Rect),
Floor(Rect)
}
fn main() {
let sdl_context = sdl2::init().unwrap();
let video_subsystem = sdl_context.video().unwrap();
sdl2_image::init(sdl2_image::INIT_PNG);
let window = video_subsystem.window("Super Matte Bros", SCREEN_WIDTH, SCREEN_HEIGHT).position_centered().build().unwrap();
let mut renderer = window.renderer().software().build().unwrap();
let world_sprites = renderer.load_texture(&Path::new("gfx/world.png")).unwrap();
let floor_sprite = StaticSprite::new(&world_sprites, 16 * 0, 16 * 0);
let brick_sprite = StaticSprite::new(&world_sprites, 16 * 1, 16 * 0);
let player_sprites = renderer.load_texture(&Path::new("gfx/mario.png")).unwrap();
let mut player_sprite = AnimatedSprite::new(&player_sprites, 96, 32, 3, 15);
let mut keyboard = KeyboardHandler::new();
let mut layer = Layer::new(212, 20, TILE_WIDTH, TILE_HEIGHT, Tile::Empty);
layer.set_tile(2, 15, Tile::Background(Rect::new_unwrap(16 * 9, 16 * 8, 16, 16)));
layer.set_tile(1, 16, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 8, 16, 16)));
layer.set_tile(2, 16, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 9, 16, 16)));
layer.set_tile(3, 16, Tile::Background(Rect::new_unwrap(16 * 10, 16 * 8, 16, 16)));
layer.set_tile(0, 17, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 8, 16, 16)));
layer.set_tile(1, 17, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 9, 16, 16)));
layer.set_tile(2, 17, Tile::Background(Rect::new_unwrap(16 * 9, 16 * 9, 16, 16)));
layer.set_tile(3, 17, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 9, 16, 16)));
layer.set_tile(4, 17, Tile::Background(Rect::new_unwrap(16 * 10, 16 * 8, 16, 16)));
layer.set_tile(11, 17, Tile::Background(Rect::new_unwrap(16 * 11, 16 * 9, 16, 16)));
layer.set_tile(12, 17, Tile::Background(Rect::new_unwrap(16 * 12, 16 * 9, 16, 16)));
layer.set_tile(13, 17, Tile::Background(Rect::new_unwrap(16 * 12, 16 * 9, 16, 16)));
layer.set_tile(14, 17, Tile::Background(Rect::new_unwrap(16 * 12, 16 * 9, 16, 16)));
layer.set_tile(15, 17, Tile::Background(Rect::new_unwrap(16 * 13, 16 * 9, 16, 16)));
layer.set_tile(16, 14, Tile::Floor(Rect::new_unwrap(16 * 24, 16 * 0, 16, 16)));
layer.set_tile(17, 16, Tile::Background(Rect::new_unwrap(16 * 9, 16 * 8, 16, 16)));
layer.set_tile(16, 17, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 8, 16, 16)));
layer.set_tile(17, 17, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 9, 16, 16)));
layer.set_tile(18, 17, Tile::Background(Rect::new_unwrap(16 * 10, 16 * 8, 16, 16)));
layer.set_tile(20, 14, Tile::Static(&brick_sprite, true));
layer.set_tile(21, 14, Tile::Floor(Rect::new_unwrap(16 * 24, 16 * 0, 16, 16)));
layer.set_tile(22, 14, Tile::Static(&brick_sprite, true));
layer.set_tile(23, 14, Tile::Floor(Rect::new_unwrap(16 * 24, 16 * 0, 16, 16)));
layer.set_tile(24, 14, Tile::Static(&brick_sprite, true));
layer.set_tile(22, 10, Tile::Floor(Rect::new_unwrap(16 * 24, 16 * 0, 16, 16)));
layer.set_tile(19, 7, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 20, 16, 16)));
layer.set_tile(20, 7, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 20, 16, 16)));
layer.set_tile(21, 7, Tile::Floor(Rect::new_unwrap(16 * 2, 16 * 20, 16, 16)));
layer.set_tile(19, 8, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 21, 16, 16)));
layer.set_tile(20, 8, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 21, 16, 16)));
layer.set_tile(21, 8, Tile::Floor(Rect::new_unwrap(16 * 2, 16 * 21, 16, 16)));
layer.set_tile(23, 17, Tile::Background(Rect::new_unwrap(16 * 11, 16 * 9, 16, 16)));
layer.set_tile(24, 17, Tile::Background(Rect::new_unwrap(16 * 12, 16 * 9, 16, 16)));
layer.set_tile(25, 17, Tile::Background(Rect::new_unwrap(16 * 13, 16 * 9, 16, 16)));
layer.set_tile(28, 16, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 8, 16, 16)));
layer.set_tile(29, 16, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 8, 16, 16)));
layer.set_tile(28, 17, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 9, 16, 16)));
layer.set_tile(29, 17, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 9, 16, 16)));
layer.set_tile(38, 15, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 8, 16, 16)));
layer.set_tile(39, 15, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 8, 16, 16)));
layer.set_tile(38, 16, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 9, 16, 16)));
layer.set_tile(39, 16, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 9, 16, 16)));
layer.set_tile(38, 17, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 9, 16, 16)));
layer.set_tile(39, 17, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 9, 16, 16)));
layer.set_tile(41, 17, Tile::Background(Rect::new_unwrap(16 * 11, 16 * 9, 16, 16)));
layer.set_tile(42, 17, Tile::Background(Rect::new_unwrap(16 * 12, 16 * 9, 16, 16)));
layer.set_tile(43, 17, Tile::Background(Rect::new_unwrap(16 * 12, 16 * 9, 16, 16)));
layer.set_tile(44, 17, Tile::Background(Rect::new_unwrap(16 * 13, 16 * 9, 16, 16)));
layer.set_tile(46, 14, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 8, 16, 16)));
layer.set_tile(47, 14, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 8, 16, 16)));
layer.set_tile(46, 15, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 9, 16, 16)));
layer.set_tile(47, 15, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 9, 16, 16)));
layer.set_tile(46, 16, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 9, 16, 16)));
layer.set_tile(47, 16, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 9, 16, 16)));
layer.set_tile(46, 17, Tile::Floor(Rect::new_unwrap(16 * 0, 16 * 9, 16, 16)));
layer.set_tile(47, 17, Tile::Floor(Rect::new_unwrap(16 * 1, 16 * 9, 16, 16)));
layer.set_tile(50, 15, Tile::Background(Rect::new_unwrap(16 * 9, 16 * 8, 16, 16)));
layer.set_tile(49, 16, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 8, 16, 16)));
layer.set_tile(50, 16, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 9, 16, 16)));
layer.set_tile(51, 16, Tile::Background(Rect::new_unwrap(16 * 10, 16 * 8, 16, 16)));
layer.set_tile(48, 17, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 8, 16, 16)));
layer.set_tile(49, 17, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 9, 16, 16)));
layer.set_tile(50, 17, Tile::Background(Rect::new_unwrap(16 * 9, 16 * 9, 16, 16)));
layer.set_tile(51, 17, Tile::Background(Rect::new_unwrap(16 * 8, 16 * 9, 16, 16)));
layer.set_tile(52, 17, Tile::Background(Rect::new_unwrap(16 * 10, 16 * 8, 16, 16)));
for x in 0..212 {
layer.set_tile(x, 18, Tile::Static(&floor_sprite, true));
layer.set_tile(x, 19, Tile::Static(&floor_sprite, true));
}
let mut camera = Camera::new(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, layer.to_rect());
let mut player = Player::new(390.0, 390.0);
let mut current : u64;
let mut elapsed : u64;
let mut previous : u64 = time::precise_time_ns() / 1_000_000;
let mut lag : u64 = 0;
let mut event_pump = sdl_context.event_pump().unwrap();
'main : loop {
current = time::precise_time_ns() / 1_000_000;
elapsed = current - previous;
previous = current;
lag += elapsed;
keyboard.clear();
for event in event_pump.poll_iter() {
use sdl2::event::Event;
match event {
Event::Quit {..} => break 'main,
Event::KeyDown {keycode, repeat, ..} => {
if repeat == false {
keyboard.key_down(keycode.unwrap());
}
},
Event::KeyUp {keycode, ..} => {
keyboard.key_up(keycode.unwrap());
},
_ => (),
}
}
if keyboard.was_pressed(Keycode::Escape) {
break 'main;
}
if keyboard.is_held(Keycode::Right) && (player.dx >= 0.0 || player.on_ground) {
let a = if player.dx > 0.0 {
PLAYER_ACCELERATION_X_START
} else {
PLAYER_ACCELERATION_X_CHANGE
};
player.dx = a * PLAYER_SPEED_X + (1.0 - a) * player.dx;
} else if keyboard.is_held(Keycode::Left) && (player.dx <= 0.0 || player.on_ground) {
let a = if player.dx < 0.0 {
PLAYER_ACCELERATION_X_START
} else {
PLAYER_ACCELERATION_X_CHANGE
};
player.dx = a * -PLAYER_SPEED_X + (1.0 - a) * player.dx;
} else if player.on_ground {
player.dx = (1.0 - PLAYER_ACCELERATION_X_STOP) * player.dx;
if player.dx.abs() <= PLAYER_THRESHOLD_X {
player.dx = 0.0;
}
}
if player.on_ground {
if keyboard.was_pressed(Keycode::Up) {
player.dy = -8.0;
player.on_ground = false;
}
}
if keyboard.was_released(Keycode::Up) {
if player.dy < -4.0 {
player.dy = -4.0;
}
}
while lag >= MS_PER_UPDATE {
player.update();
player.on_ground = false;
let px = player.x + player.w as f32;
let mut dx = player.dx;
let py = player.y + player.h as f32;
let mut dy = player.dy;
if let Some((a, b)) = layer.find_intersecting(&player.to_rect()) {
if player.dx > 0.0 {
for y in a.y()..b.y() + 1 {
let mut x = a.x();
loop {
let t = (x * TILE_WIDTH as i32) as f32 - px;
if t > dx {
break;
}
if let Some(tile) = layer.get_tile(x, y) {
dx = match *tile {
Tile::Floor(_) => dx.min(t),
Tile::Static(_, solid) => if solid { dx.min(t) } else { dx },
_ => dx
}
} else {
break;
}
x += 1;
}
}
if dx <= 0.0 {
player.dx = 0.0;
}
} else if player.dx < 0.0 {
for y in a.y()..b.y() + 1 {
let mut x = a.x();
loop {
let t = (x * TILE_WIDTH as i32 + TILE_WIDTH as i32) as f32 - px;
if t < dx {
break;
}
if let Some(tile) = layer.get_tile(x, y) {
dx = match *tile {
Tile::Floor(_) => dx.max(t),
Tile::Static(_, solid) => if solid { dx.max(t) } else { dx },
_ => dx
}
} else {
break;
}
x -= 1;
}
}
if dx >= 0.0 {
player.dx = 0.0;
}
}
if player.dy > 0.0 {
for x in a.x()..b.x() + 1 {
let mut y = a.y();
loop {
let t = (y * TILE_HEIGHT as i32) as f32 - py;
if t > dy {
break;
}
if let Some(tile) = layer.get_tile(x, y) {
dy = match *tile {
Tile::Floor(_) => dy.min(t),
Tile::Static(_, solid) => if solid { dy.min(t) } else { dy },
_ => dy
}
} else {
break;
}
y += 1;
}
}
if dy <= 0.0 {
player.dy = 0.0;
player.on_ground = true;
}
} else if player.dy < 0.0 {
for x in a.x()..b.x() + 1 {
let mut y = a.y();
loop {
let t = (y * TILE_HEIGHT as i32 + TILE_HEIGHT as i32) as f32 - py;
if t < dy {
break;
}
if let Some(tile) = layer.get_tile(x, y) {
dy = match *tile {
Tile::Floor(_) => dy.max(t),
Tile::Static(_, solid) => if solid { dy.max(t) } else { dy },
_ => dy
}
} else {
break;
}
y -= 1;
}
}
if dy >= 0.0 {
player.dy = 0.0;
}
}
}
player.x += dx;
player.y += dy;
player_sprite.update(elapsed);
camera.center(&player.to_rect());
lag -= MS_PER_UPDATE;
}
renderer.set_draw_color(Color::RGB(93, 148, 251));
renderer.clear();
layer.for_each_intersecting(&camera.to_rect(), |tile: &Tile, position: &Rect| {
let object = camera_relative_rect(&camera.to_rect(), position);
match *tile {
Tile::Background(src) => {
let _ = renderer.copy(&world_sprites, Some(src), Some(object));
},
Tile::Floor(src) => {
let _ = renderer.copy(&world_sprites, Some(src), Some(object));
},
Tile::Static(ref sprite, _) => sprite.render(&mut renderer, &object),
_ => ()
}
});
let player_rect = camera_relative_rect(&camera.to_rect(), &player.to_rect());
player_sprite.render(&mut renderer, &player_rect);
renderer.present();
sleep_ms(5);
}
sdl2_image::quit();
}
fn camera_relative_rect(camera: &Rect, other: &Rect) -> Rect {
Rect::new_unwrap(other.x() - camera.x(), other.y() - camera.y(), other.width(), other.height())
}
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