Controller:isPresent;

src/headset/headset.c

@@ -55,6 +55,10 @@ Controller* lovrHeadsetGetController(ControllerHand hand) {
   return headset->interface->getController(headset, hand);
 }
 
+char lovrHeadsetIsControllerPresent(Controller* controller) {
+  return headset->interface->isControllerPresent(headset, controller);
+}
+
 void lovrHeadsetRenderTo(headsetRenderCallback callback, void* userdata) {
   headset->interface->renderTo(headset, callback, userdata);
 }

src/headset/headset.h

@@ -24,6 +24,7 @@ typedef struct {
   void (*getVelocity)(void* headset, float* x, float* y, float* z);
   void (*getAngularVelocity)(void* headset, float* x, float* y, float* z);
   Controller* (*getController)(void* headset, ControllerHand hand);
+  char (*isControllerPresent)(void* headset, Controller* controller);
   void (*renderTo)(void* headset, headsetRenderCallback callback, void* userdata);
 } HeadsetInterface;
 
@@ -46,4 +47,5 @@ void lovrHeadsetGetOrientation(float* x, float* y, float* z, float* w);
 void lovrHeadsetGetVelocity(float* x, float* y, float* z);
 void lovrHeadsetGetAngularVelocity(float* x, float* y, float* z);
 Controller* lovrHeadsetGetController(ControllerHand hand);
+char lovrHeadsetIsControllerPresent(Controller* controller);
 void lovrHeadsetRenderTo(headsetRenderCallback callback, void* userdata);

src/headset/vive.c

@@ -40,6 +40,7 @@ static HeadsetInterface interface = {
   .getVelocity = viveGetVelocity,
   .getAngularVelocity = viveGetAngularVelocity,
   .getController = viveGetController,
+  .isControllerPresent = viveIsControllerPresent,
   .renderTo = viveRenderTo
 };
 
@@ -241,6 +242,12 @@ Controller* viveGetController(void* headset, ControllerHand hand) {
   return state->controllers[hand];
 }
 
+char viveIsControllerPresent(void* headset, Controller* controller) {
+  Headset* this = headset;
+  ViveState* state = this->state;
+  return state->vrSystem->IsTrackedDeviceConnected(state->controllerIndex[controller->hand]);
+}
+
 void viveRenderTo(void* headset, headsetRenderCallback callback, void* userdata) {
   Headset* this = headset;
   ViveState* state = this->state;

src/headset/vive.h

@@ -15,4 +15,5 @@ void viveGetOrientation(void* headset, float* x, float* y, float* z, float* w);
 void viveGetVelocity(void* headset, float* x, float* y, float* z);
 void viveGetAngularVelocity(void* headset, float* x, float* y, float* z);
 Controller* viveGetController(void* headset, ControllerHand hand);
+char viveIsControllerPresent(void* headset, Controller* controller);
 void viveRenderTo(void* headset, headsetRenderCallback callback, void* userdata);