76 lines
2.8 KiB
Rust
76 lines
2.8 KiB
Rust
use crate::game::Game;
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/// A Plugin is something you can add to a `Game` that can be used to define systems, or spawn initial entities.
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pub trait Plugin {
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/// Setup this plugin. This runs before the game has started
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fn setup(&self, game: &mut Game);
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}
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impl<P> Plugin for P
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where P: Fn(&mut Game)
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{
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fn setup(&self, game: &mut Game) {
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self(game);
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}
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}
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/// Represents a set of plugins that will be executed in order they are supplied.
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#[derive(Default)]
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pub struct PluginSet {
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/// A set of plugins that will be executed in order
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pub plugins: Vec<Box<dyn Plugin>>,
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}
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impl PluginSet {
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pub fn new() -> Self {
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Self::default()
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}
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pub fn add_plugin<P>(&mut self, plugin: P) -> &mut Self
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where
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P: Plugin + 'static
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{
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self.plugins.push(Box::new(plugin));
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self
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}
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}
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impl Plugin for PluginSet {
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fn setup(&self, game: &mut Game) {
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for plugin in self.plugins.iter() {
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plugin.setup(game);
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}
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}
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}
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// Macro used for implementing PluginSet for tuples
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macro_rules! impl_tuple_plugin_set {
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( $(($name: ident, $index: tt))+ ) => (
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impl<$($name: Plugin + 'static),+> From<($($name,)+)> for PluginSet {
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fn from(value: ($($name,)+)) -> Self {
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let plugins = vec![$(Box::new(value.$index) as Box<(dyn Plugin + 'static)>),+];
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Self {
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plugins,
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}
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}
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}
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);
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}
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impl_tuple_plugin_set! { (C0, 0) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) (C12, 12) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) (C12, 12) (C13, 13) }
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impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) (C12, 12) (C13, 13) (C14, 14) } |