void HMDState::UpdateRenderProfile(Profile* profile)
{
// Apply the given profile to generate a render context
RenderState.OurProfileRenderInfo = GenerateProfileRenderInfoFromProfile(RenderState.OurHMDInfo, profile);
RenderState.RenderInfo = GenerateHmdRenderInfoFromHmdInfo(RenderState.OurHMDInfo, RenderState.OurProfileRenderInfo);
RenderState.Distortion[0] = CalculateDistortionRenderDesc(StereoEye_Left, RenderState.RenderInfo, 0);
RenderState.Distortion[1] = CalculateDistortionRenderDesc(StereoEye_Right, RenderState.RenderInfo, 0);
if (pClient)
{
// Center pupil depth
float centerPupilDepth = GetCenterPupilDepthFromRenderInfo(&RenderState.RenderInfo);
pClient->SetNumberValue(GetNetId(), "CenterPupilDepth", centerPupilDepth);
// Neck model
Vector3f neckModel = GetNeckModelFromProfile(profile);
double neckModelArray[3] = {
neckModel.x,
neckModel.y,
neckModel.z
};
pClient->SetNumberValues(GetNetId(), "NeckModelVector3f", neckModelArray, 3);
// Camera position
// OVR_KEY_CAMERA_POSITION is actually the *inverse* of a camera position.
Posed centeredFromWorld;
double values[7];
if (profile->GetDoubleValues(OVR_KEY_CAMERA_POSITION, values, 7) == 7)
{
centeredFromWorld = Posed::FromArray(values);
}
else
{
centeredFromWorld = TheTrackingStateReader.GetDefaultCenteredFromWorld();
}
// ComputeCenteredFromWorld wants a worldFromCpf pose, so invert it.
// FIXME: The stored centeredFromWorld doesn't have a neck model offset applied, but probably should.
TheTrackingStateReader.ComputeCenteredFromWorld(centeredFromWorld.Inverted(), Vector3d(0, 0, 0));
}
}
void HMDState::UpdateRenderProfile(Profile* profile)
{
// Apply the given profile to generate a render context
RenderState.RenderInfo = GenerateHmdRenderInfoFromHmdInfo(RenderState.OurHMDInfo, profile);
RenderState.Distortion[0] = CalculateDistortionRenderDesc(StereoEye_Left, RenderState.RenderInfo, 0);
RenderState.Distortion[1] = CalculateDistortionRenderDesc(StereoEye_Right, RenderState.RenderInfo, 0);
if (pClient)
{
// Center pupil depth
float centerPupilDepth = GetCenterPupilDepthFromRenderInfo(&RenderState.RenderInfo);
pClient->SetNumberValue(GetNetId(), "CenterPupilDepth", centerPupilDepth);
// Neck model
Vector3f neckModel = GetNeckModelFromProfile(profile);
double neckModelArray[3] = {
neckModel.x,
neckModel.y,
neckModel.z
};
pClient->SetNumberValues(GetNetId(), "NeckModelVector3f", neckModelArray, 3);
double camerastate[7];
if (profile->GetDoubleValues(OVR_KEY_CAMERA_POSITION, camerastate, 7) == 0)
{
//there is no value, so we load the default
for (int i = 0; i < 7; i++) camerastate[i] = 0;
camerastate[3] = 1;//no offset. by default, give the quaternion w component value 1
}
else
TheSensorStateReader.setCenteredFromWorld(OVR::Posed::FromArray(camerastate));
}
}
unsigned HMDState::getFloatArray(const char* propertyName, float values[], unsigned arraySize)
{
if (arraySize)
{
if (OVR_strcmp(propertyName, "ScreenSize") == 0)
{
float data[2] = { OurHMDInfo.ScreenSizeInMeters.w, OurHMDInfo.ScreenSizeInMeters.h };
return CopyFloatArrayWithLimit(values, arraySize, data, 2);
}
else if (OVR_strcmp(propertyName, "DistortionClearColor") == 0)
{
return CopyFloatArrayWithLimit(values, arraySize, RenderState.ClearColor, 4);
}
else if (OVR_strcmp(propertyName, "DK2Latency") == 0)
{
if (OurHMDInfo.HmdType < HmdType_DK2)
{
return 0;
}
OutputLatencyTimings timings;
ScreenLatencyTracker.GetLatencyTimings(timings);
if (arraySize > 0)
{
switch (arraySize)
{
default: values[4] = (float)timings.ErrorTimewarp; // Fall-thru
case 4: values[3] = (float)timings.ErrorRender; // Fall-thru
case 3: values[2] = (float)timings.LatencyPostPresent; // Fall-thru
case 2: values[1] = (float)timings.LatencyTimewarp; // Fall-thru
case 1: values[0] = (float)timings.LatencyRender;
}
}
return arraySize > 5 ? 5 : arraySize;
}
else if (OVR_strcmp(propertyName, "NeckModelVector3f") == 0)
{
// Query the service to grab the HNM.
double hnm[3] = {};
int count = NetClient::GetInstance()->GetNumberValues(GetNetId(), propertyName, hnm, (int)arraySize);
// If the service is unavailable or returns zero data,
if (count < 3 ||
(hnm[0] == 0.0 && hnm[1] == 0.0 && hnm[2] == 0.0))
{
// These are the default values used if the server does not return any data, due to not
// being reachable or other errors.
OVR_ASSERT(pProfile.GetPtr());
if (pProfile.GetPtr())
{
Vector3f neckModel = GetNeckModelFromProfile(pProfile);
hnm[0] = neckModel.x;
hnm[1] = neckModel.y;
hnm[2] = neckModel.z;
}
}
for (unsigned i = 0; i < 3 && i < arraySize; ++i)
{
values[i] = (float)hnm[i];
}
return arraySize > 3 ? 3 : arraySize;
}
else if (NetSessionCommon::IsServiceProperty(NetSessionCommon::EGetNumberValues, propertyName))
{
// Convert floats to doubles
double* da = new double[arraySize];
for (int i = 0; i < (int)arraySize; ++i)
{
da[i] = values[i];
}
int count = NetClient::GetInstance()->GetNumberValues(GetNetId(), propertyName, da, (int)arraySize);
for (int i = 0; i < count; ++i)
{
values[i] = (float)da[i];
}
delete[] da;
return count;
}
else if (pProfile)
{
// TBD: Not quite right. Should update profile interface, so that
// we can return 0 in all conditions if property doesn't exist.
return pProfile->GetFloatValues(propertyName, values, arraySize);
}
}
return 0;
}