scripting: start work on exposing InputActions to lua, implement inserting reflected resource

Cargo.lock

@@ -45,6 +45,15 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "allocator-api2"
 version = "0.2.16"
@@ -1558,11 +1567,13 @@ dependencies = [
  "anyhow",
  "elua",
  "itertools 0.12.0",
+ "lazy_static",
  "lyra-ecs",
  "lyra-game",
  "lyra-reflect",
  "lyra-resource",
  "lyra-scripting-derive",
+ "regex",
  "thiserror",
  "tracing",
  "tracing-subscriber",
@@ -2204,6 +2215,35 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "regex"
+version = "1.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b62dbe01f0b06f9d8dc7d49e05a0785f153b00b2c227856282f671e0318c9b15"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5bb987efffd3c6d0d8f5f89510bb458559eab11e4f869acb20bf845e016259cd"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+
 [[package]]
 name = "renderdoc-sys"
 version = "0.7.1"

examples/testbed/scripts/test.lua

@@ -6,6 +6,48 @@ function on_init()
 
     local e = world:spawn(pos, cube)
     print("spawned entity " .. tostring(e))
+
+    local action_handler_tbl = {
+        layouts = { 0 },
+        actions = {
+            MoveForwardBackward = "Axis",
+            MoveLeftRight = "Axis",
+            MoveUpDown = "Axis",
+            LookLeftRight = "Axis",
+            LookUpDown = "Axis",
+            LookRoll = "Axis",
+        },
+        mappings = {
+            {
+                layout = 0,
+                binds = {
+                    MoveForwardBackward = {
+                        "key:w=1.0", "key:s=-1.0"
+                    },
+                    MoveLeftRight = {
+                        "key:a=-1.0", "key:d=1.0"
+                    },
+                    MoveUpDown = {
+                        "key:c=1.0", "key:z=-1.0"
+                    },
+                    LookLeftRight = {
+                        "key:left=-1.0", "key:right=1.0",
+                        "mouse:axis:x"
+                    },
+                    LookUpDown = {
+                        "key:up=-1.0", "key:down=1.0",
+                        "mouse:axis:y",
+                    },
+                    LookRoll = {
+                        "key:e=-1.0", "key:q=1.0",
+                    }
+                }
+            }
+        }
+    }
+
+    local handler = ActionHandler.new(action_handler_tbl)
+    world:add_resource(handler)
 end
 
 --[[ function on_first()
@@ -25,6 +67,9 @@ function on_update()
 
         return t
     end, Transform)
+
+    --local input = world:resource(Input)
+    --input.
 end
 
 --[[ function on_post_update()

examples/testbed/src/main.rs

@@ -240,7 +240,7 @@ async fn main() {
     };
 
     let action_handler_plugin = |game: &mut Game| {
-        let action_handler = ActionHandler::new()
+        /* let action_handler = ActionHandler::builder()
             .add_layout(LayoutId::from(0))
             
             .add_action(CommonActionLabel::MoveForwardBackward, Action::new(ActionKind::Axis))
@@ -250,7 +250,7 @@ async fn main() {
             .add_action(CommonActionLabel::LookUpDown, Action::new(ActionKind::Axis))
             .add_action(CommonActionLabel::LookRoll, Action::new(ActionKind::Axis))
 
-            .add_mapping(ActionMapping::new(LayoutId::from(0), ActionMappingId::from(0))
+            .add_mapping(ActionMapping::builder(LayoutId::from(0), ActionMappingId::from(0))
                 .bind(CommonActionLabel::MoveForwardBackward, &[
                     ActionSource::Keyboard(KeyCode::W).into_binding_modifier(1.0),
                     ActionSource::Keyboard(KeyCode::S).into_binding_modifier(-1.0)
@@ -282,22 +282,9 @@ async fn main() {
                 .finish()
             );
 
-        /* #[allow(unused_variables)]
-        let test_system = |world: &mut World| -> anyhow::Result<()> {
-            let handler = world.get_resource::<ActionHandler>();
-
-            if let Some(alpha) = handler.get_axis_modifier("look_rotate") {
-                debug!("'look_rotate': {alpha}");
-            }
-
-            Ok(())
-        }; */
-
         let world = game.world_mut();
         world.add_resource(action_handler);
-        world.spawn((Vec3::new(0.5, 0.1, 3.0),));
+        game.with_plugin(InputActionPlugin); */
-        game.with_plugin(InputActionPlugin);
-        //game.with_system("input_test", test_system, &[]);
     };
 
     let script_test_plugin = |game: &mut Game| {
@@ -322,6 +309,6 @@ async fn main() {
         .with_plugin(script_test_plugin)
         //.with_plugin(fps_plugin)
         .with_plugin(jiggle_plugin)
-        .with_plugin(FreeFlyCameraPlugin)
+        //.with_plugin(FreeFlyCameraPlugin)
         .run().await;
 }

lyra-ecs/src/world.rs

@@ -255,7 +255,8 @@ impl World {
     /// Will panic if the resource is not in the world. See [`try_get_resource`] for
     /// a function that returns an option.
     pub fn get_resource<T: 'static>(&self) -> Ref<T> {
-        self.resources.get(&TypeId::of::<T>()).unwrap()
+        self.resources.get(&TypeId::of::<T>())
+            .expect(&format!("World is missing resource of type '{}'", std::any::type_name::<T>()))
             .get()
     }
 
@@ -277,7 +278,8 @@ impl World {
     /// Will panic if the resource is not in the world. See [`try_get_resource_mut`] for
     /// a function that returns an option.
     pub fn get_resource_mut<T: 'static>(&self) -> RefMut<T> {
-        self.resources.get(&TypeId::of::<T>()).unwrap()
+        self.resources.get(&TypeId::of::<T>())
+            .expect(&format!("World is missing resource of type '{}'", std::any::type_name::<T>()))
             .get_mut()
     }
 

lyra-game/src/input/action.rs

@@ -2,6 +2,7 @@ use std::{collections::HashMap, ops::Deref, hash::{Hash, DefaultHasher, Hasher},
 
 use glam::Vec2;
 use lyra_ecs::world::World;
+use lyra_reflect::Reflect;
 
 use crate::{plugin::Plugin, game::GameStages, EventQueue};
 
@@ -213,7 +214,7 @@ impl Action {
 }
 
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
-pub struct LayoutId(u32);
+pub struct LayoutId(pub u32);
 
 impl From<u32> for LayoutId {
     fn from(value: u32) -> Self {
@@ -240,7 +241,7 @@ impl Layout {
 }
 
 #[derive(Debug, Default, Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
-pub struct ActionMappingId(u32);
+pub struct ActionMappingId(pub u32);
 
 impl From<u32> for ActionMappingId {
     fn from(value: u32) -> Self {
@@ -264,6 +265,10 @@ impl ActionMapping {
         }
     }
 
+    pub fn builder(layout: LayoutId, id: ActionMappingId) -> ActionMappingBuilder {
+        ActionMappingBuilder::new(ActionMapping::new(layout, id))
+    }
+
     /// Creates a binding for the action.
     /// 
     /// If the action is not in this layout, this will panic!
@@ -271,7 +276,7 @@ impl ActionMapping {
     /// Parameters:
     /// * `action` - The label corresponding to the action in this Layout.
     /// * `bind` - The Binding to add to the Action.
-    pub fn bind<L>(mut self, action: L, bindings: &[Binding]) -> Self
+    pub fn bind<L>(&mut self, action: L, bindings: &[Binding]) -> &mut Self
     where
         L: ActionLabel
     {
@@ -283,32 +288,48 @@ impl ActionMapping {
         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
     }
 }
 
-#[derive(Clone, Default)]
+pub struct ActionMappingBuilder {
+    mapping: ActionMapping,
+}
+
+impl ActionMappingBuilder {
+    fn new(mapping: ActionMapping) -> Self {
+        Self {
+            mapping,
+        }
+    }
+
+    pub fn bind<L>(mut self, action: L, bindings: &[Binding]) -> Self
+    where
+        L: ActionLabel
+    {
+        let mut bindings = bindings.to_vec();
+
+        let action_binds = self.mapping.action_binds.entry(action.label_hash()).or_default();
+        action_binds.append(&mut bindings);
+
+        self
+    }
+
+    pub fn finish(self) -> ActionMapping {
+        self.mapping
+    }
+}
+
+#[derive(Clone, Default, Reflect)]
 pub struct ActionHandler {
+    #[reflect(skip)] // TODO: dont just skip all these
     pub actions: HashMap<u64, Action>,
+    #[reflect(skip)]
     pub layouts: HashMap<LayoutId, Layout>,
+    #[reflect(skip)]
     pub current_layout: LayoutId,
+    #[reflect(skip)]
     pub current_mapping: ActionMappingId,
 }
 
@@ -317,26 +338,31 @@ impl ActionHandler {
         Self::default()
     }
 
-    pub fn add_layout(mut self, id: LayoutId) -> Self {
+    pub fn builder() -> ActionHandlerBuilder {
-        self.layouts.insert(id, Layout::new());
+        ActionHandlerBuilder::default()
-
-        self
     }
 
-    pub fn add_action<L>(mut self, label: L, action: Action) -> Self
+    pub fn add_layout(&mut self, id: LayoutId) {
+        self.layouts.insert(id, Layout::new());
+    }
+
+    pub fn action<L>(&self, label: L) -> Option<&Action>
+    where
+        L: ActionLabel
+    {
+        self.actions.get(&label.label_hash())
+    }
+
+    pub fn add_action<L>(&mut self, label: L, action: Action)
     where
         L: ActionLabel
     {
         self.actions.insert(label.label_hash(), action);
-
-        self
     }
 
-    pub fn add_mapping(mut self, mapping: ActionMapping) -> Self {
+    pub fn add_mapping(&mut self, mapping: ActionMapping) {
         let layout = self.layouts.get_mut(&mapping.layout).unwrap();
         layout.add_mapping(mapping);
-
-        self
     }
 
     /// Returns true if the action is pressed (or was just pressed).
@@ -443,6 +469,43 @@ impl ActionHandler {
     }
 }
 
+#[derive(Default)]
+pub struct ActionHandlerBuilder {
+    handler: ActionHandler,
+}
+
+impl ActionHandlerBuilder {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn add_layout(mut self, id: LayoutId) -> Self {
+        self.handler.layouts.insert(id, Layout::new());
+
+        self
+    }
+
+    pub fn add_action<L>(mut self, label: L, action: Action) -> Self
+    where
+        L: ActionLabel
+    {
+        self.handler.actions.insert(label.label_hash(), action);
+
+        self
+    }
+
+    pub fn add_mapping(mut self, mapping: ActionMapping) -> Self {
+        let layout = self.handler.layouts.get_mut(&mapping.layout).unwrap();
+        layout.add_mapping(mapping);
+
+        self
+    }
+
+    pub fn finish(self) -> ActionHandler {
+        self.handler
+    }
+}
+
 fn actions_system(world: &mut World) -> anyhow::Result<()> {
     let keys = world.try_get_resource::<InputButtons<KeyCode>>()
         .map(|r| r.deref().clone());

lyra-game/src/input/mod.rs

@@ -11,4 +11,182 @@ pub mod buttons;
 pub use buttons::*;
 
 pub mod action;
-pub use action::*;
+pub use action::*;
+
+pub type KeyCode = winit::event::VirtualKeyCode;
+
+/// Parses a [`KeyCode`] from a [`&str`].
+/// 
+/// There are some changes to a few keycodes. All the number keys `Key1`, `Key2`, etc., have
+/// the `Key` prefix removed; so they are expected to be `1`, `2`, etc.
+pub fn keycode_from_str(s: &str) -> Option<KeyCode> {
+    let s = s.to_lowercase();
+    let s = s.as_str();
+    
+    match s {
+        "1" => Some(KeyCode::Key1),
+        "2" => Some(KeyCode::Key2),
+        "3" => Some(KeyCode::Key3),
+        "4" => Some(KeyCode::Key4),
+        "5" => Some(KeyCode::Key5),
+        "6" => Some(KeyCode::Key6),
+        "7" => Some(KeyCode::Key7),
+        "8" => Some(KeyCode::Key8),
+        "9" => Some(KeyCode::Key9),
+        "0" => Some(KeyCode::Key0),
+        "a" => Some(KeyCode::A),
+        "b" => Some(KeyCode::B),
+        "c" => Some(KeyCode::C),
+        "d" => Some(KeyCode::D),
+        "e" => Some(KeyCode::E),
+        "f" => Some(KeyCode::F),
+        "g" => Some(KeyCode::G),
+        "h" => Some(KeyCode::H),
+        "i" => Some(KeyCode::I),
+        "j" => Some(KeyCode::J),
+        "k" => Some(KeyCode::K),
+        "l" => Some(KeyCode::L),
+        "m" => Some(KeyCode::M),
+        "n" => Some(KeyCode::N),
+        "o" => Some(KeyCode::O),
+        "p" => Some(KeyCode::P),
+        "q" => Some(KeyCode::Q),
+        "r" => Some(KeyCode::R),
+        "s" => Some(KeyCode::S),
+        "t" => Some(KeyCode::T),
+        "u" => Some(KeyCode::U),
+        "v" => Some(KeyCode::V),
+        "w" => Some(KeyCode::W),
+        "x" => Some(KeyCode::X),
+        "y" => Some(KeyCode::Y),
+        "z" => Some(KeyCode::Z),
+        "escape" => Some(KeyCode::Escape),
+        "f1" => Some(KeyCode::F1),
+        "f2" => Some(KeyCode::F2),
+        "f3" => Some(KeyCode::F3),
+        "f4" => Some(KeyCode::F4),
+        "f5" => Some(KeyCode::F5),
+        "f6" => Some(KeyCode::F6),
+        "f7" => Some(KeyCode::F7),
+        "f8" => Some(KeyCode::F8),
+        "f9" => Some(KeyCode::F9),
+        "f10" => Some(KeyCode::F10),
+        "f11" => Some(KeyCode::F11),
+        "f12" => Some(KeyCode::F12),
+        "f13" => Some(KeyCode::F13),
+        "f14" => Some(KeyCode::F14),
+        "f15" => Some(KeyCode::F15),
+        "f16" => Some(KeyCode::F16),
+        "f17" => Some(KeyCode::F17),
+        "f18" => Some(KeyCode::F18),
+        "f19" => Some(KeyCode::F19),
+        "f20" => Some(KeyCode::F20),
+        "f21" => Some(KeyCode::F21),
+        "f22" => Some(KeyCode::F22),
+        "f23" => Some(KeyCode::F23),
+        "f24" => Some(KeyCode::F24),
+        "snapshot" => Some(KeyCode::Snapshot),
+        "scroll" => Some(KeyCode::Scroll),
+        "pause" => Some(KeyCode::Pause),
+        "insert" => Some(KeyCode::Insert),
+        "home" => Some(KeyCode::Home),
+        "delete" => Some(KeyCode::Delete),
+        "end" => Some(KeyCode::End),
+        "pagedown" => Some(KeyCode::PageDown),
+        "pageup" => Some(KeyCode::PageUp),
+        "left" => Some(KeyCode::Left),
+        "up" => Some(KeyCode::Up),
+        "right" => Some(KeyCode::Right),
+        "down" => Some(KeyCode::Down),
+        "back" => Some(KeyCode::Back),
+        "return" => Some(KeyCode::Return),
+        "space" => Some(KeyCode::Space),
+        "compose" => Some(KeyCode::Compose),
+        "caret" => Some(KeyCode::Caret),
+        "numlock" => Some(KeyCode::Numlock),
+        "numpad0" => Some(KeyCode::Numpad0),
+        "numpad1" => Some(KeyCode::Numpad1),
+        "numpad2" => Some(KeyCode::Numpad2),
+        "numpad3" => Some(KeyCode::Numpad3),
+        "numpad4" => Some(KeyCode::Numpad4),
+        "numpad5" => Some(KeyCode::Numpad5),
+        "numpad6" => Some(KeyCode::Numpad6),
+        "numpad7" => Some(KeyCode::Numpad7),
+        "numpad8" => Some(KeyCode::Numpad8),
+        "numpad9" => Some(KeyCode::Numpad9),
+        "numpadadd" => Some(KeyCode::NumpadAdd),
+        "numpaddivide" => Some(KeyCode::NumpadDivide),
+        "numpaddecimal" => Some(KeyCode::NumpadDecimal),
+        "numpadcomma" => Some(KeyCode::NumpadComma),
+        "numpadenter" => Some(KeyCode::NumpadEnter),
+        "numpadequals" => Some(KeyCode::NumpadEquals),
+        "numpadmultiply" => Some(KeyCode::NumpadMultiply),
+        "numpadsubtract" => Some(KeyCode::NumpadSubtract),
+        "abntc1" => Some(KeyCode::AbntC1),
+        "abntc2" => Some(KeyCode::AbntC2),
+        "apostrophe" => Some(KeyCode::Apostrophe),
+        "apps" => Some(KeyCode::Apps),
+        "asterisk" => Some(KeyCode::Asterisk),
+        "at" => Some(KeyCode::At),
+        "ax" => Some(KeyCode::Ax),
+        "backslash" => Some(KeyCode::Backslash),
+        "calculator" => Some(KeyCode::Calculator),
+        "capital" => Some(KeyCode::Capital),
+        "colon" => Some(KeyCode::Colon),
+        "comma" => Some(KeyCode::Comma),
+        "convert" => Some(KeyCode::Convert),
+        "equals" => Some(KeyCode::Equals),
+        "grave" => Some(KeyCode::Grave),
+        "kana" => Some(KeyCode::Kana),
+        "kanji" => Some(KeyCode::Kanji),
+        "lalt" => Some(KeyCode::LAlt),
+        "lbracket" => Some(KeyCode::LBracket),
+        "lcontrol" => Some(KeyCode::LControl),
+        "lshift" => Some(KeyCode::LShift),
+        "lwin" => Some(KeyCode::LWin),
+        "mail" => Some(KeyCode::Mail),
+        "mediaselect" => Some(KeyCode::MediaSelect),
+        "mediastop" => Some(KeyCode::MediaStop),
+        "minus" => Some(KeyCode::Minus),
+        "mute" => Some(KeyCode::Mute),
+        "mycomputer" => Some(KeyCode::MyComputer),
+        "navigateforward" => Some(KeyCode::NavigateForward),
+        "navigatebackward" => Some(KeyCode::NavigateBackward),
+        "nexttrack" => Some(KeyCode::NextTrack),
+        "noconvert" => Some(KeyCode::NoConvert),
+        "oem102" => Some(KeyCode::OEM102),
+        "period" => Some(KeyCode::Period),
+        "playpause" => Some(KeyCode::PlayPause),
+        "plus" => Some(KeyCode::Plus),
+        "power" => Some(KeyCode::Power),
+        "prevtrack" => Some(KeyCode::PrevTrack),
+        "ralt" => Some(KeyCode::RAlt),
+        "rbracket" => Some(KeyCode::RBracket),
+        "rcontrol" => Some(KeyCode::RControl),
+        "rshift" => Some(KeyCode::RShift),
+        "rwin" => Some(KeyCode::RWin),
+        "semicolon" => Some(KeyCode::Semicolon),
+        "slash" => Some(KeyCode::Slash),
+        "sleep" => Some(KeyCode::Sleep),
+        "stop" => Some(KeyCode::Stop),
+        "sysrq" => Some(KeyCode::Sysrq),
+        "tab" => Some(KeyCode::Tab),
+        "underline" => Some(KeyCode::Underline),
+        "unlabeled" => Some(KeyCode::Unlabeled),
+        "volumedown" => Some(KeyCode::VolumeDown),
+        "volumeup" => Some(KeyCode::VolumeUp),
+        "wake" => Some(KeyCode::Wake),
+        "webback" => Some(KeyCode::WebBack),
+        "webfavorites" => Some(KeyCode::WebFavorites),
+        "webforward" => Some(KeyCode::WebForward),
+        "webhome" => Some(KeyCode::WebHome),
+        "webrefresh" => Some(KeyCode::WebRefresh),
+        "websearch" => Some(KeyCode::WebSearch),
+        "webstop" => Some(KeyCode::WebStop),
+        "yen" => Some(KeyCode::Yen),
+        "copy" => Some(KeyCode::Copy),
+        "paste" => Some(KeyCode::Paste),
+        "cut" => Some(KeyCode::Cut),
+        _ => None
+    }
+}

lyra-game/src/input/system.rs

@@ -8,8 +8,6 @@ use crate::{EventQueue, plugin::Plugin, game::GameStages};
 
 use super::{events::*, InputButtons, InputEvent};
 
-pub type KeyCode = winit::event::VirtualKeyCode;
-
 #[derive(Default)]
 pub struct InputSystem;
 

lyra-reflect/src/resource.rs

@@ -1,4 +1,4 @@
-use std::{any::TypeId, cell::{Ref, RefMut}, ptr::NonNull};
+use std::{any::{Any, TypeId}, cell::{Ref, RefMut}, ptr::NonNull};
 
 use lyra_ecs::{World, ResourceObject};
 
@@ -11,6 +11,7 @@ pub struct ReflectedResource {
     fn_reflect: for<'a> fn (world: &'a World) -> Option<Ref<'a, dyn Reflect>>,
     fn_reflect_mut: for<'a> fn (world: &'a mut World) -> Option<RefMut<'a, dyn Reflect>>,
     fn_reflect_ptr: fn (world: &mut World) -> Option<NonNull<u8>>,
+    fn_refl_insert: fn (world: &mut World, this: Box<dyn Reflect>),
 }
 
 impl ReflectedResource {
@@ -27,6 +28,11 @@ impl ReflectedResource {
     pub fn reflect_ptr(&self, world: &mut World) ->  Option<NonNull<u8>> {
         (self.fn_reflect_ptr)(world)
     }
+
+    /// Insert the resource into the world.
+    pub fn insert(&self, world: &mut World, this: Box<dyn Reflect>) {
+        (self.fn_refl_insert)(world, this)
+    }
 }
 
 impl<T: ResourceObject + Reflect> FromType<T> for ReflectedResource {
@@ -45,6 +51,13 @@ impl<T: ResourceObject + Reflect> FromType<T> for ReflectedResource {
                 world.try_get_resource_ptr::<T>()
                     .map(|ptr| ptr.cast::<u8>())
             },
+            fn_refl_insert: |world: &mut World, this: Box<dyn Reflect>| {
+                let res = this as Box<dyn Any>;
+                let res = res.downcast::<T>()
+                    .expect("Provided a non-matching type to ReflectedResource insert method!");
+                let res = *res;
+                world.add_resource(res);
+            }
         }
     }
 }

lyra-scripting/Cargo.toml

@@ -23,6 +23,8 @@ tracing = "0.1.37"
 #mlua = { version = "0.9.2", features = ["lua54"], optional = true } # luajit maybe?
 elua = { path = "./elua", optional = true }
 itertools = "0.12.0"
+regex = "1.10.3"
+lazy_static = "1.4.0"
 
 
 [dev-dependencies]

lyra-scripting/elua

@@ -1 +1 @@
-Subproject commit 70e2985cc44fdb30cdf2157c50d2f0e3385e08fa
+Subproject commit beea6c33fcb2f5bd16f40e1919b61a89b4aaecb6

lyra-scripting/src/lib.rs

@@ -61,6 +61,14 @@ impl ReflectBranch {
         }
     }
 
+    /// Gets self as a [`ReflectedResource`], returning `None` if self is not an instance of it.
+    pub fn as_resource(&self) -> Option<&ReflectedResource> {
+        match self {
+            ReflectBranch::Resource(v) => Some(v),
+            _ => None
+        }
+    }
+
     /// Returns a boolean indicating if `self` is a reflection of a Resource.
     pub fn is_resource(&self) -> bool {
         matches!(self, ReflectBranch::Resource(_))

lyra-scripting/src/lua/mod.rs

@@ -62,14 +62,14 @@ pub const FN_NAME_INTERNAL_REFLECT: &str = "__lyra_internal_reflect";
 /// local cube_comp = ModelComponent.new(cube) -- annoying to write
 /// 
 /// local pos = Transform.from_translation(Vec3.new(0, 0, -8.0))
-/// local e = world:spawn(pos, cube_comp)
+/// world:spawn(pos, cube_comp)
 /// ```
 /// 
 /// With this function:
-/// /// ```lua
+/// ```lua
 /// local cube = world:request_res("assets/cube-texture-embedded.gltf")
 /// local pos = Transform.from_translation(Vec3.new(0, 0, -8.0))
-/// local e = world:spawn(pos, cube)
+/// world:spawn(pos, cube)
 /// ```
 pub const FN_NAME_INTERNAL_AS_COMPONENT: &str = "__lyra_internal_refl_as_component";
 

lyra-scripting/src/lua/providers/ecs.rs

@@ -1,7 +1,7 @@
 use lyra_ecs::ResourceObject;
 use lyra_reflect::Reflect;
 
-use crate::{lua::{wrappers::{LuaDeltaTime, LuaModelComponent}, LuaContext, RegisterLuaType, FN_NAME_INTERNAL_REFLECT_TYPE}, ScriptApiProvider, ScriptBorrow, ScriptData, ScriptDynamicBundle, ScriptWorldPtr};
+use crate::{lua::{wrappers::{LuaActionHandler, LuaDeltaTime, LuaModelComponent}, LuaContext, RegisterLuaType, FN_NAME_INTERNAL_REFLECT_TYPE}, ScriptApiProvider, ScriptBorrow, ScriptData, ScriptDynamicBundle, ScriptWorldPtr};
 
 #[derive(Default)]
 pub struct LyraEcsApiProvider;
@@ -21,6 +21,7 @@ impl ScriptApiProvider for LyraEcsApiProvider {
         globals.set("World", ctx.create_proxy::<ScriptWorldPtr>()?)?;
         globals.set("DynamicBundle", ctx.create_proxy::<ScriptDynamicBundle>()?)?;
         globals.set("ModelComponent", ctx.create_proxy::<LuaModelComponent>()?)?;
+        globals.set("ActionHandler", ctx.create_proxy::<LuaActionHandler>()?)?;
 
         let dt_table = create_reflect_table::<lyra_game::DeltaTime>(&ctx)?;
         globals.set("DeltaTime", dt_table)?;

lyra-scripting/src/lua/world.rs

@@ -1,7 +1,7 @@
 use std::{ptr::NonNull, sync::Arc};
 
 use crate::{ScriptBorrow, ScriptEntity, ScriptWorldPtr};
-use elua::AsLua;
+use elua::{AnyUserdata, AsLua, Table};
 use lyra_ecs::{query::dynamic::QueryDynamicType, CommandQueue, Commands, DynamicBundle, World};
 use lyra_reflect::{ReflectWorldExt, RegisteredType, TypeRegistry};
 use lyra_resource::ResourceManager;
@@ -279,6 +279,32 @@ impl elua::Userdata for ScriptWorldPtr {
                     Ok(elua::Value::Nil)
                 }
             })
+            .method_mut("add_resource", |_, this, res: elua::Value| {
+                let reflect = match res {
+                    elua::Value::Userdata(ud) => ud
+                        .execute_method::<_, ScriptBorrow>(FN_NAME_INTERNAL_REFLECT, ())
+                        .expect("Type does not implement 'reflect_type' properly"),
+                    elua::Value::Table(t) => {
+                        let f: elua::Function = t.get(FN_NAME_INTERNAL_REFLECT)?;
+                        f.exec::<_, ScriptBorrow>(())
+                            .expect("Type does not implement 'reflect_type' properly")
+                    }
+                    _ => {
+                        panic!("how");
+                    }
+                };
+
+                let data = reflect.data
+                    .expect("Its expected that 'FN_NAME_INTERNAL_REFLECT' returns data in World:add_resource");
+
+                let res = reflect.reflect_branch.as_resource()
+                    .ok_or(elua::Error::runtime("Provided type is not a resource!"))?;
+
+                let world = this.as_mut();
+                res.insert(world, data);
+
+                Ok(())
+            })
             .method_mut("request_res", |_, this, path: String| {
                 let world = this.as_mut();
                 let mut man = world.get_resource_mut::<ResourceManager>();

lyra-scripting/src/lua/wrappers/input_actions.rs

@@ -0,0 +1,147 @@
+use lyra_game::input::{keycode_from_str, Action, ActionHandler, ActionKind, ActionMapping, ActionMappingId, ActionSource, LayoutId, MouseAxis, MouseInput};
+
+use lazy_static::lazy_static;
+use regex::Regex;
+
+use crate::{lua::{FN_NAME_INTERNAL_REFLECT, FN_NAME_INTERNAL_REFLECT_TYPE}, ScriptBorrow};
+
+lazy_static! {
+    static ref BINDING_INPUT_RE: Regex = Regex::new(r"(\w+):(\w+)(?:=(-?\d+(?:.\d+)?))?").unwrap();
+}
+
+#[derive(Clone)]
+pub struct LuaActionHandler {
+    handler: ActionHandler
+}
+
+impl elua::Userdata for LuaActionHandler {
+    fn name() -> String {
+        "ActionHandler".to_string()
+    }
+
+    fn build<'a>(_: &elua::State, builder: &mut elua::UserdataBuilder<'a, Self>) -> elua::Result<()> {
+        builder.function("new", |_, table: elua::Table| {
+            let mut handler = ActionHandler::new();
+
+            // create the layouts
+            let layouts = table.get::<_, elua::Table>("layouts")
+                .map_err(|_| elua::Error::runtime("missing 'layouts' in ActionHandler table"))?;
+            for layout_id in layouts.sequence_iter::<u32>() {
+                let layout_id = layout_id?;
+
+                handler.add_layout(LayoutId(layout_id));
+            }
+
+            let actions = table.get::<_, elua::Table>("actions")
+                .map_err(|_| elua::Error::runtime("missing 'actions' in ActionHandler table"))?;
+            for pair in actions.pairs::<String, String>() {
+                let (action_lbl, action_type) = pair?;
+                let action_type = action_type.to_lowercase();
+
+                let action_type = match action_type.as_str() {
+                    "axis" => ActionKind::Axis,
+                    "button" => ActionKind::Button,
+                    _ => todo!("Handle invalid axis type"),
+                };
+
+                handler.add_action(action_lbl, Action::new(action_type));
+            }
+
+            let mappings= table.get::<_, elua::Table>("mappings")
+                .map_err(|_| elua::Error::runtime("missing 'mappings' in ActionHandler table"))?;
+            for (map_id, tbl) in mappings.sequence_iter::<elua::Table>().enumerate() {
+                let tbl = tbl?;
+                
+                let layout_id = tbl.get::<_, u32>("layout")?;
+                let mut mapping = ActionMapping::new(LayoutId(layout_id), ActionMappingId(map_id as u32));
+
+                let binds_tbl = tbl.get::<_, elua::Table>("binds")
+                    .map_err(|_| elua::Error::runtime("missing 'binds' in ActionHandler 'mappings' table"))?;
+                for pair in binds_tbl.pairs::<String, elua::Table>() {
+                    let (action_lbl, input_binds) = pair?;
+
+                    for input in input_binds.sequence_iter::<String>() {
+                        let input = input?.to_lowercase();
+                        
+                        let action = handler.action(&action_lbl)
+                            .ok_or(elua::Error::Runtime(format!("Unknown action specified in mapping binds: {}", action_lbl)))?;
+                        
+                        let mut binds = Vec::new();
+
+                        let input_split: Vec<&str> = input.split(":").collect();
+                        let input_name = input_split[0];
+                        let button = input_split[1];
+
+                        if action.kind == ActionKind::Axis {
+                            if button == "axis" {
+                                let axis_name = input_split[2];
+
+                                let src = process_axis_string(input_name, axis_name)
+                                    .ok_or(elua::Error::Runtime(format!("invalid bind '{input_name}', unable to find device or axis for device")))?;
+                                binds.push(src.into_binding());
+                            } else {
+                                // splits 'down=1' into 'down' and '1'
+                                let (button, val_str) = button.split_once("=")
+                                    .ok_or(elua::Error::Runtime(format!("invalid bind string for Axis Action: '{input}' (expected '=' with float)")))?;
+
+                                let val = val_str.parse::<f32>()
+                                    .map_err(|e| elua::Error::Runtime(format!("invalid bind string for Axis Action: '{input}' ({e})")))?;
+                                
+                                let src = process_keyboard_string(button)
+                                    .ok_or(elua::Error::Runtime(format!("invalid key in bind: '{button}'")))?;
+                                binds.push(src.into_binding_modifier(val));
+                            }
+                        } else {
+                            todo!("Process bindings for Button Actions");
+                        }
+
+                        mapping.bind(action_lbl.clone(), &binds);
+                    }
+                }
+                
+                handler.add_mapping(mapping);
+            }
+
+            Ok(LuaActionHandler {
+                handler,
+            })
+        })
+        .method(FN_NAME_INTERNAL_REFLECT, |_, this, ()| {
+            Ok(ScriptBorrow::from_resource::<ActionHandler>(Some(this.handler.clone())))
+        })
+        .method(FN_NAME_INTERNAL_REFLECT_TYPE, |_, _, ()| {
+            Ok(ScriptBorrow::from_resource::<ActionHandler>(None))
+        });
+
+        Ok(())
+    }
+}
+
+impl<'a> elua::FromLua<'a> for LuaActionHandler {
+    fn from_lua(_: &'a elua::State, val: elua::Value<'a>) -> elua::Result<Self> {
+        let tyname = val.type_name();
+        let ud = val.as_userdata()
+            .ok_or(elua::Error::type_mismatch("ActionHandler", &tyname))?;
+        let handle = ud.as_ref::<LuaActionHandler>()?;
+        
+        Ok(handle.clone())
+    }
+}
+
+fn process_keyboard_string(key_name: &str) -> Option<ActionSource> {
+    let key = keycode_from_str(key_name)?;
+    
+    Some(ActionSource::Keyboard(key))
+}
+
+fn process_axis_string(device: &str, axis_name: &str) -> Option<ActionSource> {
+    match device {
+        "mouse" => match axis_name {
+            "y" => Some(ActionSource::Mouse(MouseInput::Axis(MouseAxis::Y))),
+            "x" => Some(ActionSource::Mouse(MouseInput::Axis(MouseAxis::X))),
+            "scroll" | "scrollwheel" => Some(ActionSource::Mouse(MouseInput::Axis(MouseAxis::ScrollWheel))),
+            _ => None,
+        },
+        _ => None
+    }
+}

lyra-scripting/src/lua/wrappers/mod.rs

@@ -8,4 +8,7 @@ pub mod res_handle;
 pub use res_handle::*;
 
 pub mod model_comp;
-pub use model_comp::*;
+pub use model_comp::*;
+
+pub mod input_actions;
+pub use input_actions::*;