From 567e6d8d8541a89b3b13d5beafc3f510f9221e86 Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Tue, 24 Jan 2023 18:58:56 +0100
Subject: [PATCH] wip input system

---
 src/input.rs | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/main.rs  |  2 ++
 2 files changed, 50 insertions(+)

diff --git a/src/input.rs b/src/input.rs
index e69de29..a363882 100644
--- a/src/input.rs
+++ b/src/input.rs
@@ -0,0 +1,48 @@
+use glium::glutin::event::VirtualKeyCode;
+use shipyard::{AllStoragesView, Unique};
+use hashbrown::HashMap;
+use nohash_hasher::BuildNoHashHasher;
+
+#[repr(u8)]
+#[derive(Clone, Copy, Debug)]
+pub enum Action {
+  Move(f32, f32),
+  Look(f32, f32),
+}
+
+#[derive(Unique)]
+pub struct InputSystem<A: 'static> {
+  pub keyboard_keymap: HashMap<VirtualKeyCode, A, BuildNoHashHasher<u32>>,
+  mouse_map: Option<fn(f32, f32) -> A>,
+  keyboard_state: HashMap<VirtualKeyCode, bool, BuildNoHashHasher<u32>>,
+  mouse_delta: (f32, f32),
+  mouse_position: (f32, f32),
+}
+impl<A> InputSystem<A> {
+  pub fn new() -> Self { 
+    Self {
+      keyboard_keymap: HashMap::with_hasher(BuildNoHashHasher::default()),
+      mouse_map: None,
+      keyboard_state: HashMap::with_hasher(BuildNoHashHasher::default()),
+      mouse_delta: (0., 0.),
+      mouse_position: (0., 0.),
+    }
+  }
+  pub fn map_to_mouse(&mut self, function: fn(f32, f32) -> A) {
+    self.mouse_map = Some(function);
+  }
+}
+
+pub fn setup_input_system(
+  storages: AllStoragesView
+) {
+  let mut input = InputSystem::new();
+  input.keyboard_keymap.extend([
+    (VirtualKeyCode::W, Action::Move(0., 1.)),
+    (VirtualKeyCode::A, Action::Move(-1., 0.)),
+    (VirtualKeyCode::S, Action::Move(0., -1.)),
+    (VirtualKeyCode::D, Action::Move(1., 0.))
+  ]);
+  input.map_to_mouse(Action::Look);
+  storages.add_unique(input);
+}
diff --git a/src/main.rs b/src/main.rs
index 0ae9e00..cf209f1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,6 +20,8 @@ pub(crate) mod prefabs;
 pub(crate) mod transform;
 pub(crate) mod settings;
 pub(crate) mod camera;
+pub(crate) mod input;
+pub(crate) mod fly_controller;
 
 use rendering::{Renderer, RenderTarget, BackgroundColor, clear_background};
 use world::{loading::update_loaded_world_around_player, render::draw_world, init_world};