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|
use std::collections::HashMap;
use sfml::window::{
ContextSettings,
Event,
Style,
};
use sfml::graphics::{
RenderWindow,
RenderTarget,
Texture,
Image,
Color,
Rect,
};
#[derive(RustEmbed)]
#[folder = "res"]
pub struct Assets;
pub fn start() -> RenderWindow {
let default_window_size = (1280, 720);
let default_framerate = 80;
let context_settings = ContextSettings {
antialiasing_level: 0,
..Default::default()
};
let mut window = RenderWindow::new(
default_window_size,
"Subconscious",
Style::CLOSE,
&context_settings
);
window.set_framerate_limit(default_framerate);
window.set_vertical_sync_enabled(true);
return window;
}
pub fn render(window: &mut RenderWindow, state: &crate::game::State) {
// background
let bgcolor = match state.map.background_colour {
Some(color) => Color::rgb(color.red, color.green, color.blue),
None => Color::BLACK,
};
window.clear(&bgcolor);
// render map
// loaded textures
// TODO: cache outside of this function
let mut tilesets: HashMap<u32, Image> = HashMap::new();
let mut textures: HashMap<u32, Texture> = HashMap::new();
// for each tile
for y in 0 .. state.map.height {
for x in 0 .. state.map.width {
// for each layer
for layer in &state.map.layers {
let tmx_tile = layer.tiles[y as usize][x as usize];
let tmx_tileset = match state.map.get_tileset_by_gid(tmx_tile) {
Some(tileset) => tileset,
None => continue
};
// load tileset if not loaded yet
// TODO: load in a separate thread?
if !tilesets.contains_key(&tmx_tileset.first_gid) {
// TODO: replace with iter or error message
assert_eq!(tmx_tileset.images.len(), 1);
(|| {
// load tileset image
let tmx_image = &tmx_tileset.images[0];
let asset = match Assets::get(&tmx_image.source) {
Some(asset) => asset,
None => return,
};
let image = match Image::from_memory(asset.as_ref()) {
Some(image) => image,
None => return,
};
// load tiles (textures)
let tileset_width = tmx_image.width as u32 / tmx_tileset.tile_width;
let tileset_height = tmx_image.height as u32 / tmx_tileset.tile_height;
for ty in 0 .. tileset_height {
for tx in 0 .. tileset_width {
let texture = match Texture::from_image_with_rect(
&image, &Rect::new(
(tx * tmx_tileset.tile_width) as i32,
(ty * tmx_tileset.tile_height) as i32,
tmx_tileset.tile_width as i32,
tmx_tileset.tile_height as i32
)
) {
Some(texture) => texture,
None => continue,
};
// save tile texture
textures.insert(tmx_tile, texture);
}
}
// save tileset image
tilesets.insert(tmx_tileset.first_gid, image);
})();
}
//
}
}
}
window.display();
}
pub fn update(window: &mut RenderWindow) {
while let Some(ev) = window.poll_event() {
match ev {
Event::Closed => window.close(),
_ => {},
}
}
}
|
