pch migration to modules [wip]

vr/openvr_imp.cppm

@@ -0,0 +1,81 @@
+module;
+#include <openvr/openvr.h>
+#include <array>
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+#include <string>
+#include <unordered_map>
+#include <utility>
+#include <vector>
+
+export module eu07.vr.openvr_imp;
+import eu07.vr.vr_interface;
+
+export {
+
+class vr_openvr : vr_interface
+{
+private:
+    struct controller_info {
+        std::unique_ptr<TModel3d> model;
+        std::string rendermodel;
+        std::vector<int32_t> pending_components;
+        std::vector<TSubModel*> active_components;
+        std::vector<std::pair<TSubModel*, vr::TextureID_t>> pending_textures;
+        vr::VRInputValueHandle_t inputhandle = 0;
+    };
+
+    static const size_t MAX_DEVICES = 16;
+
+    vr::IVRSystem *vr_system = nullptr;
+    std::array<std::shared_ptr<controller_info>, MAX_DEVICES> controllers;
+    std::unordered_map<vr::TextureID_t, std::shared_ptr<opengl_texture>> textures;
+    vr::VRInputValueHandle_t inputhandle_left = 0;
+    vr::VRInputValueHandle_t inputhandle_right = 0;
+
+    std::array<std::unique_ptr<TModel3d>, 2> hiddenarea_mesh;
+
+    uint32_t primary_controller;
+    glm::mat4 primary_controller_transform;
+
+    user_command command_active = user_command::none;
+
+    bool update_component(const std::string &rendermodel, vr::VRInputValueHandle_t handle, TSubModel *component);
+    glm::mat4 get_matrix(const vr::HmdMatrix34_t &src);
+    std::unique_ptr<TModel3d> create_hiddenarea_model(eye_e e);
+
+    vr::VRActionSetHandle_t actionset = 0;
+    vr::VRActionHandle_t primary_action = 0;
+    vr::VRActionHandle_t secondary_action = 0;
+
+    bool should_pause = false;
+    bool draw_controllers = true;
+
+    struct button_bindings {
+        user_command primary;
+        user_command secondary;
+    };
+
+    static std::unordered_map<std::string, button_bindings> m_buttonbindings;
+    command_relay relay;
+
+public:
+    vr_openvr();
+    viewport_proj_config get_proj_config(eye_e) override;
+    glm::ivec2 get_target_size() override;
+    void begin_frame() override;
+    void submit(eye_e, opengl_texture*) override;
+    std::vector<TModel3d*> get_render_models() override;
+    TModel3d* get_hiddenarea_mesh(eye_e) override;
+    glm::mat4 get_pick_transform() override;
+    void finish_frame() override;
+    ~vr_openvr() override;
+
+    static std::unique_ptr<vr_interface> create_func();
+
+private:
+    static bool backend_register;
+};
+
+}  // export