From 3ab0341b878883a8458a3b967cefd57f2d8e70ad Mon Sep 17 00:00:00 2001
From: Joshua Maleszewski <20520890+Threadzless@users.noreply.github.com>
Date: Fri, 22 Dec 2023 19:11:36 -0500
Subject: [PATCH] Reschedule move systems to run after inputs (#24)

* moved the systems to First in the schedule

* made Plugin runs after bevy input systems
---
 src/controller.rs | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

diff --git a/src/controller.rs b/src/controller.rs
index b180b37..940ac23 100644
--- a/src/controller.rs
+++ b/src/controller.rs
@@ -7,11 +7,45 @@ use bevy::{
 };
 use bevy_rapier3d::prelude::*;
 
+/// Manages the FPS controllers. Executes in `PreUpdate`, after bevy's internal
+/// input processing is finished.
+/// 
+/// If you need a system in `PreUpdate` to execute after FPS Controller's systems, 
+/// Do it like so:
+/// 
+/// ```
+/// # use bevy::prelude::*;
+/// 
+/// struct MyPlugin;
+/// impl Plugin for MyPlugin {
+///     fn build(&self, app: &mut App) {
+///         app.add_systems(
+///             PreUpdate,
+///             (my_system).after( bevy_fps_controller::controller::fps_controller_render )
+///         );
+///     }
+/// }
+/// 
+/// fn my_system() { }
+/// ```
 pub struct FpsControllerPlugin;
 
 impl Plugin for FpsControllerPlugin {
     fn build(&self, app: &mut App) {
-        app.add_systems(Update, (fps_controller_input, fps_controller_look, fps_controller_move, fps_controller_render).chain());
+        use bevy::input::{ mouse, keyboard, gamepad, touch };
+
+        app.add_systems(
+            PreUpdate, 
+            (fps_controller_input, fps_controller_look, fps_controller_move, fps_controller_render)
+                .chain()
+                .after( mouse::mouse_button_input_system )
+                .after( keyboard::keyboard_input_system )
+                .after( gamepad::gamepad_axis_event_system )
+                .after( gamepad::gamepad_button_event_system )
+                .after( gamepad::gamepad_connection_system )
+                .after( gamepad::gamepad_event_system )
+                .after( touch::touch_screen_input_system )
+        );
     }
 }