Create structs for the input actions

examples/testbed/src/main.rs

@@ -1,4 +1,4 @@
-use lyra_engine::{math::{self, Vec3}, ecs::{World, components::{transform::TransformComponent, camera::CameraComponent, model::ModelComponent, DeltaTime}, EventQueue, SimpleSystem, Component, Criteria, CriteriaSchedule, BatchedSystem}, math::Transform, input::{KeyCode, InputButtons, MouseMotion}, game::Game, plugin::Plugin, render::window::{CursorGrabMode, WindowOptions}, change_tracker::Ct};
+use lyra_engine::{math::{self, Vec3}, ecs::{World, components::{transform::TransformComponent, camera::CameraComponent, model::ModelComponent, DeltaTime}, EventQueue, SimpleSystem, Component, Criteria, CriteriaSchedule, BatchedSystem}, math::Transform, input::{KeyCode, InputButtons, MouseMotion, ActionHandler, Layout, Action, ActionKind, LayoutId, ActionMapping, Binding, ActionSource, ActionMappingId}, game::Game, plugin::Plugin, render::window::{CursorGrabMode, WindowOptions}, change_tracker::Ct};
 use lyra_engine::assets::{ResourceManager, Model};
 
 mod free_fly_camera;
@@ -58,6 +58,22 @@ struct TpsAccumulator(f32);
 
 #[async_std::main]
 async fn main() {
+    let _action_handler = ActionHandler::new()
+        .add_layout(LayoutId::from(0))
+        .add_action("forward_backward", Action::new(ActionKind::Button))
+        .add_action("left_right", Action::new(ActionKind::Button))
+        .add_mapping(ActionMapping::new(LayoutId::from(0), ActionMappingId::from(0))
+            .bind("forward_backward", &[
+                ActionSource::Keyboard(KeyCode::W).into_binding_modifier(1.0),
+                ActionSource::Keyboard(KeyCode::S).into_binding_modifier(-1.0)
+            ])
+            .bind("left_right", &[
+                ActionSource::Keyboard(KeyCode::A).into_binding_modifier(1.0),
+                ActionSource::Keyboard(KeyCode::D).into_binding_modifier(-1.0)
+            ])
+            .finish()
+        );
+
     let setup_sys = |world: &mut World| -> anyhow::Result<()> {
         {
             let mut window_options = world.get_resource_mut::<Ct<WindowOptions>>().unwrap();

src/input/action.rs

@@ -0,0 +1,253 @@
+use std::{collections::HashMap, cell::RefCell, borrow::BorrowMut};
+
+use edict::action;
+
+use crate::castable_any::CastableAny;
+
+use super::{Button, KeyCode};
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
+enum GamepadFormat {
+    DualAxis,
+    Joystick,
+}
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
+enum GamepadButton {
+    FaceBottom,
+    FaceLeft,
+    FaceRight,
+    FaceTop,
+    VirtualConfirm,
+    VirtualDeny,
+    LThumbstick,
+    RThumbstick,
+    DPadUp,
+    DPadDown,
+    DPadLeft,
+    DPadRight,
+    LShoulder,
+    RShoulder,
+    LTrigger,
+    RTrigger,
+    Special,
+    LSpecial,
+    RSpecial,
+}
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
+enum GamepadAxis {
+    LThumbstickX,
+    LThumbstickY,
+    RThumbstickX,
+    RThumbstickY,
+    LTrigger,
+    RTrigger,
+}
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
+enum GamepadInput {
+    Button(GamepadButton),
+    Axis(GamepadAxis),
+}
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
+pub enum ActionSource {
+    Keyboard(KeyCode),
+    Gamepad(GamepadFormat, GamepadInput),
+}
+
+impl ActionSource {
+    /// Convert this Source into a Binding. Uses a default Binding modifier value of `1.0`.
+    pub fn into_binding(self) -> Binding {
+        Binding::from_source(self)
+    }
+
+    /// Convert this Source into a Binding, setting the modifier.
+    pub fn into_binding_modifier(self, modifier: f32) -> Binding {
+        Binding::from_source_modifier(self, modifier)
+    }
+}
+
+#[derive(Clone, Debug)]
+pub struct Binding {
+    pub source: ActionSource,
+    pub modifier: f32,
+}
+
+impl Binding {
+    /// Create a binding from a Source. Uses a default value of `1.0` as the modifier.
+    pub fn from_source(source: ActionSource) -> Self {
+        Self {
+            source,
+            modifier: 1.0,
+        }
+    }
+
+    /// Create a binding from a Source, with a modifier
+    pub fn from_source_modifier(source: ActionSource, modifier: f32) -> Self {
+        Self {
+            source,
+            modifier,
+        }
+    }
+}
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
+pub enum ActionKind {
+    Button,
+    Axis
+}
+
+#[derive(Clone, Debug)]
+pub struct Action {
+    kind: ActionKind,
+}
+
+impl Action {
+    pub fn new(kind: ActionKind) -> Self {
+        Self {
+            kind,
+        }
+    }
+}
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
+pub struct LayoutId(u32);
+
+impl From<u32> for LayoutId {
+    fn from(value: u32) -> Self {
+        Self(value)
+    }
+}
+
+impl Default for LayoutId {
+    fn default() -> Self {
+        Self(0)
+    }
+}
+
+#[derive(Clone)]
+pub struct Layout {
+    mappings: HashMap<ActionMappingId, ActionMapping>,
+}
+
+impl Layout {
+    pub fn new() -> Self {
+        Self {
+            mappings: HashMap::new(),
+        }
+    }
+
+    pub fn add_mapping(&mut self, mapping: ActionMapping) -> &mut Self {
+        self.mappings.insert(mapping.id, mapping);
+
+        self
+    }
+}
+
+#[derive(Debug, Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
+pub struct ActionMappingId(u32);
+
+impl From<u32> for ActionMappingId {
+    fn from(value: u32) -> Self {
+        Self(value)
+    }
+}
+
+impl Default for ActionMappingId {
+    fn default() -> Self {
+        Self(0)
+    }
+}
+
+#[derive(Clone)]
+pub struct ActionMapping {
+    layout: LayoutId,
+    id: ActionMappingId,
+    action_binds: HashMap<String, Vec<Binding>>,
+}
+
+impl ActionMapping {
+    pub fn new(layout: LayoutId, id: ActionMappingId) -> Self {
+        Self {
+            layout,
+            id,
+            action_binds: HashMap::new(),
+        }
+    }
+
+    /// Creates a binding for the action.
+    /// 
+    /// If the action is not in this layout, this will panic!
+    /// 
+    /// Parameters:
+    /// * `action_label` - The label corresponding to the action in this Layout.
+    /// * `bind` - The Binding to add to the Action.
+    pub fn bind(mut self, action_label: &str, bindings: &[Binding]) -> Self {
+        let mut bindings = bindings.to_vec();
+
+        let action_binds = self.action_binds.entry(action_label.to_string())
+            .or_insert_with(|| Vec::new());
+        action_binds.append(&mut bindings);
+
+        self
+    }
+
+    /// Creates multiple binding for the action.
+    /// 
+    /// If the action is not in this layout, this will panic!
+    /// 
+    /// Parameters:
+    /// * `action_label` - The label corresponding to the action in this Layout.
+    /// * `bindings` - The list of Bindings to add to the Action.
+    /* pub fn add_bindings(&mut self, action_label: String, bindings: &[Binding]) -> &mut Self {
+        let mut bindings = bindings.to_vec();
+        let action_binds = self.action_binds.entry(action_label)
+            .or_insert_with(|| Vec::new());
+        action_binds.append(&mut bindings);
+
+        self
+    } */
+
+    pub fn finish(self) -> Self {
+        self
+    }
+}
+
+pub struct ActionHandler {
+    actions: HashMap<String, Action>,
+    layouts: HashMap<LayoutId, Layout>,
+    current_layout: LayoutId,
+}
+
+impl ActionHandler {
+    pub fn new() -> Self {
+        Self {
+            actions: HashMap::new(),
+            layouts: HashMap::new(),
+            current_layout: LayoutId::default(),
+        }
+    }
+
+    pub fn add_layout(&mut self, id: LayoutId) -> &mut Self {
+        self.layouts.insert(id, Layout::new());
+
+        self
+    }
+
+    pub fn add_action(&mut self, label: &str, action: Action) -> &mut Self {
+        /* let layout = self.layouts.get_mut(&layout_id).unwrap();
+        layout.actions.insert(label.to_string(), action); */
+        self.actions.insert(label.to_string(), action);
+
+        self
+    }
+
+    pub fn add_mapping(&mut self, mapping: ActionMapping) -> &mut Self {
+        let layout = self.layouts.get_mut(&mapping.layout).unwrap();
+        layout.add_mapping(mapping);
+
+        self
+    }
+}

src/input/buttons.rs

@@ -2,14 +2,20 @@ use std::{hash::{Hash, Hasher}, collections::{HashMap, hash_map::DefaultHasher}}
 
 use winit::event::ElementState;
 
+//pub trait Button : Clone + Hash + Eq + PartialEq + 'static {}
+/* pub trait Button {}
+impl<T: Clone + Hash + Eq + PartialEq + 'static> Button for T {} */
+
+pub trait Button = Clone + Hash + Eq + PartialEq + 'static;
+
 #[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash)]
-pub enum ButtonEvent<T: Clone + Hash + Eq + PartialEq + 'static> {
+pub enum ButtonEvent<T: Button> {
     Pressed(T),
     Released(T),
     JustPressed(T),
 }
 
-impl<T: Clone + Hash + Eq + PartialEq + 'static> ButtonEvent<T> {
+impl<T: Button> ButtonEvent<T> {
     fn take_val(self) -> T {
         match self {
             ButtonEvent::Pressed(t) => t,
@@ -24,19 +30,19 @@ impl<T: Clone + Hash + Eq + PartialEq + 'static> ButtonEvent<T> {
 }
 
 #[derive(Clone)]
-pub struct InputButtons<T: Clone + Hash + Eq + PartialEq + 'static> {
+pub struct InputButtons<T: Button> {
     // the u64 as the key is the hashed value of T. this makes it easier to
     // search for a button and see its state
     button_events: HashMap<u64, ButtonEvent<T>>,
 }
 
-impl<T: Clone + Hash + Eq + PartialEq + 'static> Default for InputButtons<T> {
+impl<T: Button> Default for InputButtons<T> {
     fn default() -> Self {
         Self::new()
     }
 }
 
-impl<T: Clone + Hash + Eq + PartialEq + 'static> InputButtons<T> {
+impl<T: Button> InputButtons<T> {
     pub fn new() -> Self {
         Self {
             button_events: HashMap::new(),

src/input/mod.rs

@@ -9,3 +9,6 @@ pub use events::*;
 
 pub mod buttons;
 pub use buttons::*;
+
+pub mod action;
+pub use action::*;

src/lib.rs

@@ -1,5 +1,6 @@
 #![feature(hash_extract_if)]
 #![feature(lint_reasons)]
+#![feature(trait_alias)]
 
 pub mod game;
 pub mod render;