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/*
* 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(XrSession session,
XrAction action,
const char *action_name,
const char *profile_path,
XrPath subaction_path,
const char *subaction_path_str,
const GHOST_XrPose &pose);
~GHOST_XrActionSpace();
XrSpace getSpace() const;
private:
XrSpace m_space = XR_NULL_HANDLE;
};
/* -------------------------------------------------------------------- */
typedef struct GHOST_XrSubactionData {
XrPath subaction_path = XR_NULL_PATH;
float float_threshold;
int16_t axis_flag;
std::unique_ptr<GHOST_XrActionSpace> space = nullptr;
} GHOST_XrSubactionData;
/* -------------------------------------------------------------------- */
class GHOST_XrActionProfile {
public:
GHOST_XrActionProfile() = delete; /* Default constructor for map storage. */
GHOST_XrActionProfile(XrInstance instance,
XrSession session,
XrAction action,
GHOST_XrActionType type,
const GHOST_XrActionProfileInfo &info);
~GHOST_XrActionProfile() = default;
XrPath getProfile() const;
const GHOST_XrSubactionData *getSubaction(XrPath subaction_path) const;
void getBindings(XrAction action,
std::map<XrPath, std::vector<XrActionSuggestedBinding>> &r_bindings) const;
private:
XrPath m_profile = XR_NULL_PATH;
/** Sub-action data identified by user `subaction` path. */
std::map<std::string, GHOST_XrSubactionData> m_subaction_data;
/** 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 createBinding(XrInstance instance,
XrSession session,
const GHOST_XrActionProfileInfo &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 char *subaction_path,
const int64_t &duration,
const float &frequency,
const float &litude);
void stopHapticFeedback(XrSession session, const char *action_name, const char *subaction_path);
void *getCustomdata();
void getBindings(std::map<XrPath, std::vector<XrActionSuggestedBinding>> &r_bindings) const;
private:
using SubactionIndexMap = std::map<std::string, uint32_t>;
XrAction m_action = XR_NULL_HANDLE;
GHOST_XrActionType m_type;
SubactionIndexMap m_subaction_indices;
std::vector<XrPath> m_subaction_paths;
/** States for each subaction path. */
void *m_states;
/** Input thresholds/regions for each subaction path. */
float *m_float_thresholds;
int16_t *m_axis_flags;
std::unique_ptr<GHOST_C_CustomDataWrapper> m_custom_data_ = nullptr; /* wmXrAction */
/** 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();
uint32_t getActionCount() const;
void getActionCustomdataArray(void **r_customdata_array);
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;
};
/* -------------------------------------------------------------------- */
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