first workable version on Os X

work only in non camera mode in 3D view

need the external plug-in to be compiled separately

line 894 of ghostwinlay.c must be replaced with
values adapted at your system

see mailing list for features planned and how
to use

3 files changed, 47 insertions, 30 deletions

diff --git a/source/blender/src/ghostwinlay.c b/source/blender/src/ghostwinlay.c
index 19e858a9f59..0a04b0b8003 100644
--- a/source/blender/src/ghostwinlay.c
+++ b/source/blender/src/ghostwinlay.c
@@ -556,25 +556,35 @@ static int event_proc(GHOST_EventHandle evt, GHOST_TUserDataPtr private)
 
         case GHOST_kEventNDOFMotion: {
             // update ndof device data, and dispatch motion event
-            GHOST_TEventNDOFData *sb= data;
 
-            win->ndof[0] = sb->tx;
-            win->ndof[1] = sb->ty;
-            win->ndof[2] = sb->tz;
-            win->ndof[3] = sb->rx;
-            win->ndof[4] = sb->ry;
-            win->ndof[5] = sb->rz;
-            win->ndof[6] = sb->dt;
-
-            // start interaction for larger than teeny-tiny motions
-            if ((fabsf(sb->tx) > 0.03f) ||
-                (fabsf(sb->ty) > 0.03f) ||
-                (fabsf(sb->tz) > 0.03f) ||
-                (fabsf(sb->rx) > 0.03f) ||
-                (fabsf(sb->ry) > 0.03f) ||
-                (fabsf(sb->rz) > 0.03f)) {
-                    window_handle(win, NDOFMOTION, sb->dt * 255);
-            }
+            GHOST_TEventNDOFData *sb= data;
+			
+			// the multipliers are arbitrary values
+			// they could be ajustable in the future
+            win->ndof[0] = sb->tx  * (1.0f/1024.0f);
+            win->ndof[1] = sb->ty  * (1.0f/1024.0f);
+            win->ndof[2] = sb->tz  * (1.0f/1024.0f);
+            win->ndof[3] = sb->rx  * 0.00003f;
+            win->ndof[4] = sb->ry  * 0.00003f;
+            win->ndof[5] = sb->rz  * 0.00003f;
+            win->ndof[6] = sb->delta  / 1000000.0f;
+ //        	printf(" motion capted %f %f %f %f %f %f %f \n", win->ndof[0], win->ndof[1], win->ndof[2],
+ //        							 win->ndof[3], win->ndof[4], win->ndof[5], win->ndof[6]);
+
+
+ //          window_handle(win, NDOFMOTION, win->ndof[6]);
+
+ //       start interaction for larger than teeny-tiny motions
+ //         if (fabs(win->ndof[0] > 0.003f) ||
+ //             fabs(win->ndof[1] > 0.003f) ||
+ //          fabs(win->ndof[2] > 0.003f) ||
+ //               fabs(win->ndof[3] > 0.003f) ||
+ //               fabs(win->ndof[4] > 0.003f) ||
+ //              fabs(win->ndof[5] > 0.003f)) {
+                    window_handle(win, NDOFMOTION, 1);
+ //    printf("ok\n");
+ //    }
+;
           break;
         }
 
@@ -881,16 +891,19 @@ Window *winlay_get_active_window(void) {
 
 void window_open_ndof(Window* win)
 {
-    PILdynlib* ndofLib = PIL_dynlib_open("spaceplug.plug");
+    PILdynlib* ndofLib = PIL_dynlib_open("XXXXXXX-PUT-HERE-YOUR-PATH-TO-THE-PLUG--/spaceplug.plug");
     if (ndofLib) {
 
         GHOST_OpenNDOF(g_system, win->ghostwin, 
             PIL_dynlib_find_symbol(ndofLib, "ndofInit"),
             PIL_dynlib_find_symbol(ndofLib, "ndofShutdown"),
-            PIL_dynlib_find_symbol(ndofLib, "ndofOpen"),
-            PIL_dynlib_find_symbol(ndofLib, "ndofEventHandler"));
+            PIL_dynlib_find_symbol(ndofLib, "ndofOpen"));
+
+// original patch only
+//            PIL_dynlib_find_symbol(ndofLib, "ndofEventHandler"));
     }
     else {
-        GHOST_OpenNDOF(g_system, win->ghostwin, 0, 0, 0, 0);
+//        GHOST_OpenNDOF(g_system, win->ghostwin, 0, 0, 0, 0);
+        GHOST_OpenNDOF(g_system, win->ghostwin, 0, 0, 0);
     }
  }
diff --git a/source/blender/src/space.c b/source/blender/src/space.c
index bcb3a2784d6..c09f2e79243 100644
--- a/source/blender/src/space.c
+++ b/source/blender/src/space.c
@@ -1568,7 +1568,7 @@ static void winqreadview3dspace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 				break;
 
             case NDOFMOTION:
-                viewmoveNDOF(0);
+                viewmoveNDOF(1);
                 break;
 
 			case ONEKEY:
diff --git a/source/blender/src/view.c b/source/blender/src/view.c
index e26b4526ebe..287f86796c5 100644
--- a/source/blender/src/view.c
+++ b/source/blender/src/view.c
@@ -827,6 +827,8 @@ void viewmoveNDOF(int mode)
     float diff[4];
     float d, curareaX, curareaY;
 
+//printf("passing here \n");
+
     /* Sensitivity will control how fast the view rotates.  The value was
      * obtained experimentally by tweaking until the author didn't get dizzy watching.
      * Perhaps this should be a configurable user parameter. 
@@ -852,16 +854,18 @@ void viewmoveNDOF(int mode)
      * record how much time has passed. clamp at 10 Hz
      * pretend the previous frame occured at the clamped time 
      */
-    now = PIL_check_seconds_timer();
-    frametime = (now - prevTime);
-    if (frametime > 0.1f){        /* if more than 1/10s */
-        frametime = 1.0f/60.0;      /* clamp at 1/60s so no jumps when starting to move */
-    }
-    prevTime = now;
-    sbadjust *= 60 * frametime;             /* normalize ndof device adjustments to 100Hz for framerate independence */
+//    now = PIL_check_seconds_timer();
+ //   frametime = (now - prevTime);
+ //   if (frametime > 0.1f){        /* if more than 1/10s */
+ //       frametime = 1.0f/60.0;      /* clamp at 1/60s so no jumps when starting to move */
+//    }
+//    prevTime = now;
+ //   sbadjust *= 60 * frametime;             /* normalize ndof device adjustments to 100Hz for framerate independence */
 
     /* fetch the current state of the ndof device */
     getndof(fval);
+   //         printf(" motion command %f %f %f %f %f %f %f \n", fval[0], fval[1], fval[2],
+   //         							 fval[3], fval[4], fval[5], fval[6]);
 
     /* set object offset */
 	if (ob) {