refactoring vr code

src/app.h

@@ -34,6 +34,29 @@
 #include "node_panel_grid.h"
 #include "node_panel_quick.h"
 
+struct VRController
+{
+    enum class kButton : uint8_t
+    {
+        Pad,
+        Trigger,
+        Menu,
+        Grip,
+        COUNT,
+    };
+    enum class kAction
+    {
+        Press,
+        Release,
+    };
+    std::array<bool, (int)kButton::COUNT> m_buttons;
+    std::array<bool, (int)kButton::COUNT> m_analog_buttons;
+    glm::mat4 m_mat;
+    bool m_valid = false;
+    virtual float get_trigger_value() { return 1.f; }
+};
+
+
 class App
 {
 public:
@@ -90,6 +113,7 @@ public:
     bool ui_visible = true;
     bool ui_rtl = false;
     bool vr_active = false;
+    bool vr_only = false;
     glm::mat4 vr_controller;
     glm::vec3 vr_controller_pos;
     float vr_pressure = 1.f;
@@ -140,7 +164,10 @@ public:
     bool update_ui_observer(Node* n);
     bool vr_start();
     void vr_stop();
+    void vr_update(float dt);
     void vr_draw(const glm::mat4& proj, const glm::mat4& view, const glm::mat4& pose);
+    void vr_analog(const VRController& c, VRController::kButton b, VRController::kAction a, glm::vec2 force);
+    void vr_digital(const VRController& c, VRController::kButton b, VRController::kAction a, glm::vec2 axis);
     void vr_draw_ui();
     void async_start();
     void async_update();