1 files changed, 145 insertions, 0 deletions
diff --git a/intern/ghost/intern/GHOST_XrAction.h b/intern/ghost/intern/GHOST_XrAction.h
new file mode 100644
index 00000000000..bdc6cafb4a9
--- /dev/null
+++ b/intern/ghost/intern/GHOST_XrAction.h
@@ -0,0 +1,145 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+/** \file
+ * \ingroup GHOST
+ */
+
+/* Note: Requires OpenXR headers to be included before this one for OpenXR types (XrSpace, XrPath,
+ * etc.). */
+
+#pragma once
+
+#include <map>
+#include <memory>
+#include <string>
+
+#include "GHOST_Util.h"
+
+/* -------------------------------------------------------------------- */
+
+class GHOST_XrActionSpace {
+ public:
+  GHOST_XrActionSpace() = delete; /* Default constructor for map storage. */
+  GHOST_XrActionSpace(XrInstance instance,
+                      XrSession session,
+                      XrAction action,
+                      const GHOST_XrActionSpaceInfo &info,
+                      uint32_t subaction_idx);
+  ~GHOST_XrActionSpace();
+
+  XrSpace getSpace() const;
+  const XrPath &getSubactionPath() const;
+
+ private:
+  XrSpace m_space = XR_NULL_HANDLE;
+  XrPath m_subaction_path = XR_NULL_PATH;
+};
+
+/* -------------------------------------------------------------------- */
+
+class GHOST_XrActionProfile {
+ public:
+  GHOST_XrActionProfile() = delete; /* Default constructor for map storage. */
+  GHOST_XrActionProfile(XrInstance instance,
+                        XrAction action,
+                        const char *profile_path,
+                        const GHOST_XrActionBindingInfo &info);
+  ~GHOST_XrActionProfile() = default;
+
+  void getBindings(XrAction action,
+                   std::map<XrPath, std::vector<XrActionSuggestedBinding>> &r_bindings) const;
+
+ private:
+  XrPath m_profile = XR_NULL_PATH;
+  /* Bindings identified by interaction (user (subaction) + component) path. */
+  std::map<std::string, XrPath> m_bindings;
+};
+
+/* -------------------------------------------------------------------- */
+
+class GHOST_XrAction {
+ public:
+  GHOST_XrAction() = delete; /* Default constructor for map storage. */
+  GHOST_XrAction(XrInstance instance, XrActionSet action_set, const GHOST_XrActionInfo &info);
+  ~GHOST_XrAction();
+
+  bool createSpace(XrInstance instance, XrSession session, const GHOST_XrActionSpaceInfo &info);
+  void destroySpace(const char *subaction_path);
+
+  bool createBinding(XrInstance instance,
+                     const char *profile_path,
+                     const GHOST_XrActionBindingInfo &info);
+  void destroyBinding(const char *profile_path);
+
+  void updateState(XrSession session,
+                   const char *action_name,
+                   XrSpace reference_space,
+                   const XrTime &predicted_display_time);
+  void applyHapticFeedback(XrSession session,
+                           const char *action_name,
+                           const GHOST_TInt64 &duration,
+                           const float &frequency,
+                           const float &amplitude);
+  void stopHapticFeedback(XrSession session, const char *action_name);
+
+  void *getCustomdata();
+  void getBindings(std::map<XrPath, std::vector<XrActionSuggestedBinding>> &r_bindings) const;
+
+ private:
+  XrAction m_action = XR_NULL_HANDLE;
+  GHOST_XrActionType m_type;
+  std::vector<XrPath> m_subaction_paths;
+  /** States for each subaction path. */
+  void *m_states;
+
+  std::unique_ptr<GHOST_C_CustomDataWrapper> m_custom_data_ = nullptr; /* wmXrAction */
+
+  /* Spaces identified by user (subaction) path. */
+  std::map<std::string, GHOST_XrActionSpace> m_spaces;
+  /* Profiles identified by interaction profile path. */
+  std::map<std::string, GHOST_XrActionProfile> m_profiles;
+};
+
+/* -------------------------------------------------------------------- */
+
+class GHOST_XrActionSet {
+ public:
+  GHOST_XrActionSet() = delete; /* Default constructor for map storage. */
+  GHOST_XrActionSet(XrInstance instance, const GHOST_XrActionSetInfo &info);
+  ~GHOST_XrActionSet();
+
+  bool createAction(XrInstance instance, const GHOST_XrActionInfo &info);
+  void destroyAction(const char *action_name);
+  GHOST_XrAction *findAction(const char *action_name);
+
+  void updateStates(XrSession session,
+                    XrSpace reference_space,
+                    const XrTime &predicted_display_time);
+
+  XrActionSet getActionSet() const;
+  void *getCustomdata();
+  void getBindings(std::map<XrPath, std::vector<XrActionSuggestedBinding>> &r_bindings) const;
+
+ private:
+  XrActionSet m_action_set = XR_NULL_HANDLE;
+
+  std::unique_ptr<GHOST_C_CustomDataWrapper> m_custom_data_ = nullptr; /* wmXrActionSet */
+
+  std::map<std::string, GHOST_XrAction> m_actions;
+};
+
+/* -------------------------------------------------------------------- */