feat: XR binding for playspace reset

src/backend/openxr/input.rs

@@ -156,6 +156,7 @@ pub(super) struct OpenXrHandSource {
     action_show_hide: CustomClickAction,
     action_space_drag: CustomClickAction,
     action_space_rotate: CustomClickAction,
+    action_space_reset: CustomClickAction,
     action_modifier_right: CustomClickAction,
     action_modifier_middle: CustomClickAction,
     action_move_mouse: CustomClickAction,
@@ -377,6 +378,11 @@ impl OpenXrHand {
                 .action_space_rotate
                 .state(pointer.before.space_rotate, xr, session)?;
 
+        pointer.now.space_reset =
+            self.source
+                .action_space_reset
+                .state(pointer.before.space_reset, xr, session)?;
+
         Ok(())
     }
 }
@@ -410,6 +416,7 @@ impl OpenXrHandSource {
             action_show_hide: CustomClickAction::new(action_set, "show_hide", side)?,
             action_space_drag: CustomClickAction::new(action_set, "space_drag", side)?,
             action_space_rotate: CustomClickAction::new(action_set, "space_rotate", side)?,
+            action_space_reset: CustomClickAction::new(action_set, "space_reset", side)?,
             action_modifier_right: CustomClickAction::new(
                 action_set,
                 "click_modifier_right",
@@ -579,6 +586,14 @@ fn suggest_bindings(instance: &xr::Instance, hands: &[&OpenXrHandSource; 2]) ->
             instance
         );
 
+        add_custom!(
+            profile.space_reset,
+            &hands[0].action_space_reset,
+            &hands[1].action_space_reset,
+            bindings,
+            instance
+        );
+
         add_custom!(
             profile.click_modifier_right,
             &hands[0].action_modifier_right,
@@ -634,6 +649,7 @@ struct OpenXrActionConfProfile {
     show_hide: Option<OpenXrActionConfAction>,
     space_drag: Option<OpenXrActionConfAction>,
     space_rotate: Option<OpenXrActionConfAction>,
+    space_reset: Option<OpenXrActionConfAction>,
     click_modifier_right: Option<OpenXrActionConfAction>,
     click_modifier_middle: Option<OpenXrActionConfAction>,
     move_mouse: Option<OpenXrActionConfAction>,

src/backend/openxr/openxr_actions.json5

@@ -15,6 +15,9 @@
 // -- space_rotate --
 // rotate your stage (playspace rotate, WIP)
 //
+// -- space_reset --
+// reset your stage (reset the offset from playspace drag)
+//
 // -- click_modifier_right --
 // while this is held, your pointer will turn ORANGE and your mouse clicks will be RIGHT clicks
 //
@@ -132,6 +135,10 @@
       left: "/user/hand/left/input/trackpad/force",
       // right trackpad is alt_click
     },
+    space_reset: {
+      double_click: true,
+      left: "/user/hand/left/input/trackpad/force",
+    },
     click_modifier_right: {
       left: "/user/hand/left/input/b/touch",
       right: "/user/hand/right/input/b/touch"

src/backend/openxr/playspace.rs

@@ -55,6 +55,16 @@ impl PlayspaceMover {
         state: &AppState,
         monado: &mut Monado,
     ) {
+        for (_i, pointer) in state.input_state.pointers.iter().enumerate() {
+            if pointer.now.space_reset {
+                if !pointer.before.space_reset {
+                    log::info!("Space reset");
+                    self.reset_offset(monado);
+                }
+                return;
+            }
+        }
+
         if let Some(mut data) = self.rotate.take() {
             let pointer = &state.input_state.pointers[data.hand];
             if !pointer.now.space_rotate {