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authorSven Kocksch <github@miniskipper.at>2017-05-17 07:11:26 +0200
committerSven Kocksch <github@miniskipper.at>2017-05-17 07:11:26 +0200
commitb7b96007553a5ed11c43aab40f5361487ce9a5e7 (patch)
treed01b3b43bdf8b56d9a3486ce2ee724457d88b763 /x-plane-plugin
parent82e4dc80f5838efcb08ac1c89f58a324b2a26409 (diff)
head roll
only set view if tracking is running
Diffstat (limited to 'x-plane-plugin')
-rw-r--r--x-plane-plugin/plugin.c37
1 files changed, 27 insertions, 10 deletions
diff --git a/x-plane-plugin/plugin.c b/x-plane-plugin/plugin.c
index 39e928ba..3795024c 100644
--- a/x-plane-plugin/plugin.c
+++ b/x-plane-plugin/plugin.c
@@ -14,6 +14,7 @@
#include <sys/mman.h>
#include <limits.h>
#include <unistd.h>
+#include <math.h>
#include <XPLMPlugin.h>
#include <XPLMDataAccess.h>
@@ -34,7 +35,7 @@
#include "compat/export.hpp"
enum Axis {
- TX = 0, TY, TZ, Yaw, Pitch, Roll
+ TX = 0, TY, TZ, Yaw, Pitch, Roll
};
typedef struct PortableLockedShm
@@ -53,7 +54,8 @@ typedef struct WineSHM
static PortableLockedShm* lck_posix = NULL;
static WineSHM* shm_posix = NULL;
-static void *view_x, *view_y, *view_z, *view_heading, *view_pitch;
+static WineSHM* data_last = NULL;
+static void *view_x, *view_y, *view_z, *view_heading, *view_pitch, *view_roll;
static float offset_x, offset_y, offset_z;
static XPLMCommandRef track_toggle = NULL, translation_disable_toggle = NULL;
static int track_disabled = 1;
@@ -111,15 +113,29 @@ float write_head_position(
void * OT_UNUSED(inRefcon) )
{
if (lck_posix != NULL && shm_posix != NULL) {
- PortableLockedShm_lock(lck_posix);
- if (!translation_disabled)
- {
- XPLMSetDataf(view_x, shm_posix->data[TX] * 1e-3 + offset_x);
- XPLMSetDataf(view_y, shm_posix->data[TY] * 1e-3 + offset_y);
- XPLMSetDataf(view_z, shm_posix->data[TZ] * 1e-3 + offset_z);
+ if(data_last == NULL){
+ data_last = calloc(1, sizeof(WineSHM));
}
- XPLMSetDataf(view_heading, shm_posix->data[Yaw] * 180 / 3.141592654);
- XPLMSetDataf(view_pitch, shm_posix->data[Pitch] * 180 / 3.141592654);
+
+ //only set the view if tracking is running
+ if(memcmp(shm_posix, data_last, sizeof(shm_posix->data)) != 0){
+ PortableLockedShm_lock(lck_posix);
+ if (!translation_disabled)
+ {
+ XPLMSetDataf(view_x, shm_posix->data[TX] * 1e-3 + offset_x);
+ XPLMSetDataf(view_y, shm_posix->data[TY] * 1e-3 + offset_y);
+ XPLMSetDataf(view_z, shm_posix->data[TZ] * 1e-3 + offset_z);
+ }
+ XPLMSetDataf(view_heading, shm_posix->data[Yaw] * 180 / M_PI);
+ XPLMSetDataf(view_pitch, shm_posix->data[Pitch] * 180 / M_PI);
+ XPLMSetDataf(view_roll, shm_posix->data[Roll] * 180 / M_PI);
+ } else {
+ //reset roll, otherwise it would be stuck at last angle
+ XPLMSetDataf(view_roll, 0);
+ }
+
+ memcpy(&data_last, &shm_posix, sizeof(WineSHM));
+
PortableLockedShm_unlock(lck_posix);
}
return -1.0;
@@ -166,6 +182,7 @@ PLUGIN_API OTR_COMPAT_EXPORT int XPluginStart ( char * outName, char * outSignat
view_z = XPLMFindDataRef("sim/aircraft/view/acf_peZ");
view_heading = XPLMFindDataRef("sim/graphics/view/pilots_head_psi");
view_pitch = XPLMFindDataRef("sim/graphics/view/pilots_head_the");
+ view_roll = XPLMFindDataRef("sim/graphics/view/field_of_view_roll_deg");
track_toggle = XPLMCreateCommand("opentrack/toggle", "Disable/Enable head tracking");
translation_disable_toggle = XPLMCreateCommand("opentrack/toggle_translation", "Disable/Enable input translation from opentrack");