diff options
Diffstat (limited to 'source/blender/windowmanager/xr/intern/wm_xr_session.c')
| -rw-r--r-- | source/blender/windowmanager/xr/intern/wm_xr_session.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/source/blender/windowmanager/xr/intern/wm_xr_session.c b/source/blender/windowmanager/xr/intern/wm_xr_session.c index b9ef40e3398..1ddbe228e05 100644 --- a/source/blender/windowmanager/xr/intern/wm_xr_session.c +++ b/source/blender/windowmanager/xr/intern/wm_xr_session.c @@ -18,7 +18,9 @@ * \ingroup wm */ +#include "BKE_callbacks.h" #include "BKE_context.h" +#include "BKE_global.h" #include "BKE_main.h" #include "BKE_scene.h" @@ -49,11 +51,24 @@ static CLG_LogRef LOG = {"wm.xr"}; /* -------------------------------------------------------------------- */ +static void wm_xr_session_create_cb(void) +{ + Main *bmain = G_MAIN; + wmWindowManager *wm = bmain->wm.first; + wmXrData *xr_data = &wm->xr; + + /* Get action set data from Python. */ + BKE_callback_exec_null(bmain, BKE_CB_EVT_XR_SESSION_START_PRE); + + wm_xr_session_actions_init(xr_data); +} + static void wm_xr_session_exit_cb(void *customdata) { wmXrData *xr_data = customdata; xr_data->runtime->session_state.is_started = false; + if (xr_data->runtime->exit_fn) { xr_data->runtime->exit_fn(xr_data); } @@ -65,6 +80,10 @@ static void wm_xr_session_exit_cb(void *customdata) static void wm_xr_session_begin_info_create(wmXrData *xr_data, GHOST_XrSessionBeginInfo *r_begin_info) { + /* Callback for when the session is created. This is needed to create and bind OpenXR actions + * after the session is created but before it is started. */ + r_begin_info->create_fn = wm_xr_session_create_cb; + /* WM-XR exit function, does some own stuff and calls callback passed to wm_xr_session_toggle(), * to allow external code to execute its own session-exit logic. */ r_begin_info->exit_fn = wm_xr_session_exit_cb; @@ -289,6 +308,7 @@ void wm_xr_session_draw_data_update(const wmXrSessionState *state, /** * Update information that is only stored for external state queries. E.g. for Python API to * request the current (as in, last known) viewer pose. + * Controller data and action sets will be updated separately via wm_xr_session_actions_update(). */ void wm_xr_session_state_update(const XrSessionSettings *settings, const wmXrDrawData *draw_data, @@ -322,6 +342,8 @@ void wm_xr_session_state_update(const XrSessionSettings *settings, DEFAULT_SENSOR_WIDTH); copy_v3_v3(state->prev_eye_position_ofs, draw_data->eye_position_ofs); + memcpy(&state->prev_base_pose, &draw_data->base_pose, sizeof(state->prev_base_pose)); + memcpy(&state->prev_local_pose, &draw_view->local_pose, sizeof(state->prev_local_pose)); state->prev_settings_flag = settings->flag; state->prev_base_pose_type = settings->base_pose_type; state->prev_base_pose_object = settings->base_pose_object; @@ -373,6 +395,132 @@ bool WM_xr_session_state_viewer_pose_matrix_info_get(const wmXrData *xr, return true; } +bool WM_xr_session_state_controller_pose_location_get(const wmXrData *xr, + unsigned int subaction_idx, + float r_location[3]) +{ + if (!WM_xr_session_is_ready(xr) || !xr->runtime->session_state.is_view_data_set || + subaction_idx >= ARRAY_SIZE(xr->runtime->session_state.controllers)) { + zero_v3(r_location); + return false; + } + + copy_v3_v3(r_location, xr->runtime->session_state.controllers[subaction_idx].pose.position); + return true; +} + +bool WM_xr_session_state_controller_pose_rotation_get(const wmXrData *xr, + unsigned int subaction_idx, + float r_rotation[4]) +{ + if (!WM_xr_session_is_ready(xr) || !xr->runtime->session_state.is_view_data_set || + subaction_idx >= ARRAY_SIZE(xr->runtime->session_state.controllers)) { + unit_qt(r_rotation); + return false; + } + + copy_v4_v4(r_rotation, + xr->runtime->session_state.controllers[subaction_idx].pose.orientation_quat); + return true; +} + +/* -------------------------------------------------------------------- */ +/** \name XR-Session Actions + * + * XR action processing and event dispatching. + * + * \{ */ + +void wm_xr_session_actions_init(wmXrData *xr) +{ + if (!xr->runtime) { + return; + } + + GHOST_XrAttachActionSets(xr->runtime->context); +} + +static void wm_xr_session_controller_mats_update(const XrSessionSettings *settings, + const wmXrAction *controller_pose_action, + wmXrSessionState *state) +{ + const unsigned int count = (unsigned int)min_ii( + (int)controller_pose_action->count_subaction_paths, (int)ARRAY_SIZE(state->controllers)); + + float view_ofs[3]; + float base_inv[4][4]; + float tmp[4][4]; + + zero_v3(view_ofs); + if ((settings->flag & XR_SESSION_USE_POSITION_TRACKING) == 0) { + add_v3_v3(view_ofs, state->prev_local_pose.position); + } + + wm_xr_pose_to_viewmat(&state->prev_base_pose, base_inv); + invert_m4(base_inv); + + for (unsigned int i = 0; i < count; ++i) { + wmXrControllerData *controller = &state->controllers[i]; + + /* Calculate controller matrix in world space. */ + wm_xr_controller_pose_to_mat(&((GHOST_XrPose *)controller_pose_action->states)[i], tmp); + + /* Apply eye position and base pose offsets. */ + sub_v3_v3(tmp[3], view_ofs); + mul_m4_m4m4(controller->mat, base_inv, tmp); + + /* Save final pose. */ + mat4_to_loc_quat( + controller->pose.position, controller->pose.orientation_quat, controller->mat); + } +} + +void wm_xr_session_actions_update(wmXrData *xr) +{ + if (!xr->runtime) { + return; + } + + GHOST_XrContextHandle xr_context = xr->runtime->context; + wmXrSessionState *state = &xr->runtime->session_state; + wmXrActionSet *active_action_set = state->active_action_set; + + int ret = GHOST_XrSyncActions(xr_context, active_action_set ? active_action_set->name : NULL); + if (!ret) { + return; + } + + /* Only update controller mats for active action set. */ + if (active_action_set) { + if (active_action_set->controller_pose_action) { + wm_xr_session_controller_mats_update( + &xr->session_settings, active_action_set->controller_pose_action, state); + } + } +} + +void wm_xr_session_controller_data_populate(const wmXrAction *controller_pose_action, wmXrData *xr) +{ + wmXrSessionState *state = &xr->runtime->session_state; + + const unsigned int count = (unsigned int)min_ii( + (int)ARRAY_SIZE(state->controllers), (int)controller_pose_action->count_subaction_paths); + + for (unsigned int i = 0; i < count; ++i) { + wmXrControllerData *c = &state->controllers[i]; + strcpy(c->subaction_path, controller_pose_action->subaction_paths[i]); + memset(&c->pose, 0, sizeof(c->pose)); + zero_m4(c->mat); + } +} + +void wm_xr_session_controller_data_clear(wmXrSessionState *state) +{ + memset(state->controllers, 0, sizeof(state->controllers)); +} + +/** \} */ /* XR-Session Actions */ + /* -------------------------------------------------------------------- */ /** \name XR-Session Surface * |