144 lines
4.3 KiB
Rust
144 lines
4.3 KiB
Rust
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mod server_list;
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pub use self::server_list::*;
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use render;
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use ui;
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pub trait Screen {
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// Called once
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fn init(&mut self, renderer: &mut render::Renderer, ui_container: &mut ui::Container);
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fn deinit(&mut self, renderer: &mut render::Renderer, ui_container: &mut ui::Container);
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// May be called multiple times
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fn on_active(&mut self, renderer: &mut render::Renderer, ui_container: &mut ui::Container);
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fn on_deactive(&mut self, renderer: &mut render::Renderer, ui_container: &mut ui::Container);
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// Called every frame the screen is active
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fn tick(&mut self, delta: f64, renderer: &mut render::Renderer, ui_container: &mut ui::Container);
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// Events
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fn on_scroll(&mut self, x: f64, y: f64) {}
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}
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struct ScreenInfo {
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screen: Box<Screen>,
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init: bool,
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active: bool,
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}
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pub struct ScreenSystem {
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screens: Vec<ScreenInfo>,
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remove_queue: Vec<ScreenInfo>,
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}
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impl ScreenSystem {
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pub fn new() -> ScreenSystem {
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ScreenSystem {
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screens: Vec::new(),
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remove_queue: Vec::new(),
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}
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}
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pub fn add_screen(&mut self, screen: Box<Screen>) {
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self.screens.push(ScreenInfo {
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screen: screen,
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init: false,
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active: false,
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});
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}
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pub fn pop_screen(&mut self) {
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if let Some(screen) = self.screens.pop() {
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self.remove_queue.push(screen);
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}
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}
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pub fn tick(&mut self, delta: f64, renderer: &mut render::Renderer, ui_container: &mut ui::Container) {
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for screen in &mut self.remove_queue {
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if screen.active {
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screen.screen.on_deactive(renderer, ui_container);
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}
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if screen.init {
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screen.screen.deinit(renderer, ui_container);
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}
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}
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self.remove_queue.clear();
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if self.screens.is_empty() {
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return;
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}
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// Update state for screens
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let len = self.screens.len();
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for screen in &mut self.screens[..len - 1] {
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if screen.active {
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screen.active = false;
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screen.screen.on_deactive(renderer, ui_container);
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}
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}
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let current = self.screens.last_mut().unwrap();
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if !current.init {
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current.init = true;
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current.screen.init(renderer, ui_container);
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}
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if !current.active {
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current.active = true;
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current.screen.on_active(renderer, ui_container);
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}
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// Handle current
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current.screen.tick(delta, renderer, ui_container);
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}
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pub fn on_scroll(&mut self, x: f64, y: f64) {
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if self.screens.is_empty() {
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return;
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}
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let current = self.screens.last_mut().unwrap();
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current.screen.on_scroll(x, y);
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}
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}
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pub fn new_button(renderer: &mut render::Renderer, x: f64, y: f64, w: f64, h: f64) -> ui::Batch {
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let mut batch = ui::Batch::new(x, y, w, h);
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let texture = render::Renderer::get_texture(renderer.get_textures_ref(), "gui/widgets").relative(
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0.0, 66.0 / 256.0, 200.0 / 256.0, 20.0 / 256.0
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);
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// Corners
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batch.add(ui::Image::new(texture.clone(), 0.0, 0.0, 4.0, 4.0, 0.0, 0.0, 2.0 / 200.0, 2.0 / 20.0, 255, 255, 255));
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batch.add(ui::Image::new(texture.clone(), w - 4.0, 0.0, 4.0, 4.0, 198.0 / 200.0, 0.0, 2.0 / 200.0, 2.0 / 20.0, 255, 255, 255));
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batch.add(ui::Image::new(texture.clone(), 0.0, h - 6.0, 4.0, 6.0, 0.0, 17.0 / 20.0, 2.0 / 200.0, 3.0 / 20.0, 255, 255, 255));
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batch.add(ui::Image::new(texture.clone(), w - 4.0, h - 6.0, 4.0, 6.0, 198.0 / 200.0, 17.0 / 20.0, 2.0 / 200.0, 3.0 / 20.0, 255, 255, 255));
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// Widths
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batch.add(ui::Image::new(texture.clone().relative(
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2.0 / 200.0, 0.0, 196.0 / 200.0, 2.0 / 20.0
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), 4.0, 0.0, w - 8.0, 4.0, 0.0, 0.0, 1.0, 1.0, 255, 255, 255));
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batch.add(ui::Image::new(texture.clone().relative(
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2.0 / 200.0, 17.0 / 20.0, 196.0 / 200.0, 3.0 / 20.0
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), 4.0, h - 6.0, w - 8.0, 6.0, 0.0, 0.0, 1.0, 1.0, 255, 255, 255));
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// Heights
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batch.add(ui::Image::new(texture.clone().relative(
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0.0, 2.0 / 20.0, 2.0 / 200.0, 15.0 / 20.0
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), 0.0, 4.0, 4.0, h - 10.0, 0.0, 0.0, 1.0, 1.0, 255, 255, 255));
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batch.add(ui::Image::new(texture.clone().relative(
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198.0 / 200.0, 2.0 / 20.0, 2.0 / 200.0, 15.0 / 20.0
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), w - 4.0, 4.0, 4.0, h - 10.0, 0.0, 0.0, 1.0, 1.0, 255, 255, 255));
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// Center
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batch.add(ui::Image::new(texture.clone().relative(
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2.0 / 200.0, 2.0 / 20.0, 196.0 / 200.0, 15.0 / 20.0
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), 4.0, 4.0, w - 8.0, h - 10.0, 0.0, 0.0, 1.0, 1.0, 255, 255, 255));
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batch
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}
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pub fn new_button_text(renderer: &mut render::Renderer, val: &str, x: f64, y: f64, w: f64, h: f64) -> (ui::Batch, ui::Text) {
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let batch = new_button(renderer, x, y, w, h);
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let mut text = ui::Text::new(renderer, val, 0.0, 0.0, 255, 255, 255);
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text.set_v_attach(ui::VAttach::Middle);
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text.set_h_attach(ui::HAttach::Center);
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(batch, text)
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} |