vr controlled ui

src/hmd.h

@@ -6,10 +6,11 @@ struct ViveController : public VRController
 {
     enum class kButtonMask : uint64_t
     {
-        TriggerBit = 0x200000000,
-        PadBit = 0x100000000,
-        MenuBit = 0x000000002,
-        GripBit = 0x000000004,
+        TriggerBit = 1ull << vr::k_EButton_SteamVR_Trigger,
+        PadBit     = 1ull << vr::k_EButton_SteamVR_Touchpad,
+        MenuBit    = 1ull << vr::k_EButton_ApplicationMenu,
+        GripBit    = 1ull << vr::k_EButton_Grip,
+        ButtonA    = 1ull << vr::k_EButton_A,
     };
     
     static std::map<kButton, kButtonMask> m_mask;
@@ -21,7 +22,7 @@ struct ViveController : public VRController
         return { m_state.rAxis[(int)button].x, m_state.rAxis[(int)button].y };
     }
 
-    virtual float get_trigger_value() override
+    virtual float get_trigger_value() const override
     {
         return axis(VRController::kButton::Trigger).x;
     }