This commit is contained in:
2018-12-11 00:09:01 +01:00
parent bbdad5a857
commit 1bc0d1e44b
5 changed files with 85 additions and 317 deletions

View File

@@ -3,61 +3,28 @@
#include "log.h"
#include <array>
Vive::Vive()
{
for (int i = 0; i < 2; i++)
controllers[i].active = true;
}
std::string Vive::ReadPropString(vr::TrackedDeviceIndex_t nDevice, vr::ETrackedDeviceProperty p)
{
size_t len = hmd->GetStringTrackedDeviceProperty(nDevice, p, nullptr, 0);
std::string str(len, '\0');
hmd->GetStringTrackedDeviceProperty(nDevice, p, (char*)str.data(), len);
return str;
}
bool Vive::Initialize()
{
vr::EVRInitError error;
hmd = vr::VR_Init(&error, vr::EVRApplicationType::VRApplication_Scene);
m_hmd = vr::VR_Init(&error, vr::EVRApplicationType::VRApplication_Scene);
if (error != vr::EVRInitError::VRInitError_None)
return false;
comp = vr::VRCompositor();
if (!comp)
if (!(m_comp = vr::VRCompositor()))
return false;
settings = vr::VRSettings();
m_settings = vr::VRSettings();
hmd->GetRecommendedRenderTargetSize(&eyeWidth, &eyeHeight);
LOG("Eye target resolution: %dx%d\n", eyeWidth, eyeHeight);
m_hmd->GetRecommendedRenderTargetSize(&m_eye_width, &m_eye_height);
for (int eye = 0; eye < 2; ++eye)
{
eyes[eye].create(eyeWidth, eyeHeight);
eyes[eye].bindFramebuffer();
eyes[eye].clear({ 1, 0, 0, 1 });
eyes[eye].unbindFramebuffer();
m_eyes[eye].create(m_eye_width, m_eye_height);
m_eyes[eye].bindFramebuffer();
m_eyes[eye].clear({ 1, 0, 0, 1 });
m_eyes[eye].unbindFramebuffer();
}
int attempts = 50;
do
{
int nc = 0;
for (int nDevice = 0; nDevice < vr::k_unMaxTrackedDeviceCount; ++nDevice)
{
if (hmd->GetTrackedDeviceClass(nDevice) == vr::TrackedDeviceClass_HMD)
{
dev_tracksys = ReadPropString(nDevice, vr::Prop_TrackingSystemName_String);
dev_serial = ReadPropString(nDevice, vr::Prop_SerialNumber_String);
dev_model = ReadPropString(nDevice, vr::Prop_ModelNumber_String);
dev_manufacturer = ReadPropString(nDevice, vr::Prop_ManufacturerName_String);
}
}
std::this_thread::sleep_for(std::chrono::milliseconds(100));
attempts--;
} while (attempts > 0 && dev_serial.empty());
vr::CVRSettingHelper s(settings);
vr::CVRSettingHelper s(m_settings);
float timeout = s.GetFloat(vr::k_pch_Power_Section, vr::k_pch_Power_TurnOffScreensTimeout_Float);
s.SetFloat(vr::k_pch_Power_Section, vr::k_pch_Power_TurnOffScreensTimeout_Float, 0.5);
@@ -69,194 +36,92 @@ void Vive::Terminate()
vr::VR_Shutdown();
}
void Vive::ResetYaw()
{
yaw_offset = euler.y;
}
void Vive::Update()
{
if (!(hmd && comp))
if (!(m_hmd && m_comp))
return;
vr::TrackedDevicePose_t poses[vr::k_unMaxTrackedDeviceCount];
comp->WaitGetPoses(poses, vr::k_unMaxTrackedDeviceCount, NULL, 0);
auto& hmdPose = poses[vr::k_unTrackedDeviceIndex_Hmd];
m_comp->WaitGetPoses(poses, vr::k_unMaxTrackedDeviceCount, NULL, 0);
auto& current_pose = poses[vr::k_unTrackedDeviceIndex_Hmd];
for (int eye = 0; eye < 2; ++eye)
{
// Get view and projection matrices
vr::HmdMatrix44_t p = hmd->GetProjectionMatrix((vr::EVREye)eye, 0.2f, 1000.f);
float eyeProj[4][4] = {
vr::HmdMatrix44_t p = m_hmd->GetProjectionMatrix((vr::EVREye)eye, 0.2f, 1000.f);
float data_eye_proj[16] = {
p.m[0][0], p.m[1][0], p.m[2][0], p.m[3][0],
p.m[0][1], p.m[1][1], p.m[2][1], p.m[3][1],
p.m[0][2], p.m[1][2], p.m[2][2], p.m[3][2],
p.m[0][3], p.m[1][3], p.m[2][3], p.m[3][3],
};
vr::HmdMatrix34_t e = hmd->GetEyeToHeadTransform((vr::EVREye)eye);
float eyePose[4][4] = {
vr::HmdMatrix34_t e = m_hmd->GetEyeToHeadTransform((vr::EVREye)eye);
float data_eye_pose[16] = {
e.m[0][0], e.m[1][0], e.m[2][0], 0,
e.m[0][1], e.m[1][1], e.m[2][1], 0,
e.m[0][2], e.m[1][2], e.m[2][2], 0,
e.m[0][3], e.m[1][3], e.m[2][3], 1,
};
vr::HmdMatrix34_t h = hmdPose.mDeviceToAbsoluteTracking;
float hmdPose[4][4] = {
vr::HmdMatrix34_t h = current_pose.mDeviceToAbsoluteTracking;
float data_hmd_pose[16] = {
h.m[0][0], h.m[1][0], h.m[2][0], 0,
h.m[0][1], h.m[1][1], h.m[2][1], 0,
h.m[0][2], h.m[1][2], h.m[2][2], 0,
0, 0, 0, 1,
0, 0, 0, 1, // rotation only
//h.m[0][3], h.m[1][3], h.m[2][3], 1,
};
auto mat_proj = glm::make_mat4((float*)eyeProj);
auto mat_pose = glm::inverse(glm::make_mat4((float*)hmdPose));
auto mat_eye = glm::inverse(glm::make_mat4((float*)eyePose));
auto hmd_position = glm::vec3(h.m[0][3], h.m[1][3], h.m[2][3]);
auto mat_proj = glm::make_mat4(data_eye_proj);
auto mat_pose = glm::inverse(glm::make_mat4(data_hmd_pose));
auto mat_eye = glm::inverse(glm::make_mat4(data_eye_pose));
proj[eye] = mat_proj;
view[eye] = mat_eye * mat_pose;
pose = mat_pose;
m_proj[eye] = mat_proj;
m_view[eye] = mat_eye * mat_pose;
m_pose = mat_pose;
for (auto& c : controllers)
c.valid = false;
for (auto& c : trackers)
c.valid = false;
int nc = 0;
int nt = 0;
for (int nDevice = 0; nDevice < vr::k_unMaxTrackedDeviceCount; ++nDevice)
for (int id = 0; id < vr::k_unMaxTrackedDeviceCount; id++)
{
if (poses[nDevice].bPoseIsValid)
switch (m_hmd->GetTrackedDeviceClass(id))
{
vr::HmdMatrix34_t p = poses[nDevice].mDeviceToAbsoluteTracking;
float mat[4][4] = {
p.m[0][0], p.m[1][0], p.m[2][0], 0,
p.m[0][1], p.m[1][1], p.m[2][1], 0,
p.m[0][2], p.m[1][2], p.m[2][2], 0,
p.m[0][3], p.m[1][3], p.m[2][3], 1,
};
switch (hmd->GetTrackedDeviceClass(nDevice))
{
case vr::TrackedDeviceClass_Controller:
{
vr::EVRInitError error;
vr::ETrackedControllerRole controllerRole = (vr::ETrackedControllerRole)
hmd->GetInt32TrackedDeviceProperty(nDevice, vr::ETrackedDeviceProperty::Prop_ControllerRoleHint_Int32);
auto& c = controllers[nc];
c.index = nc;
c.active = true;
c.valid = true;
hmd->GetControllerState(nDevice, &c.state, sizeof(vr::VRControllerState_t));
auto c_mat = glm::translate(-hmd_position) * glm::make_mat4((float*)mat);
c.update(c_mat);
c.buttons_bits = c.state.ulButtonPressed;
c.role = controllerRole;
for (int axi = 0; axi < 5; axi++)
{
c.axis[axi].x = c.state.rAxis[axi].x;
c.axis[axi].y = c.state.rAxis[axi].y;
for (auto b : { Controller::ButtonAxis::Trigger })
{
if (axi != (uint8_t)b)
continue;
if (glm::compMax(glm::abs(c.axis[axi])) > 0.f && !c.buttons_axis[(uint8_t)b])
{
c.buttons_axis[(uint8_t)b] = true;
if (on_button_axis)
on_button_axis(c, b, Controller::Action::Press);
}
if (glm::compMax(glm::abs(c.axis[axi])) == 0.f && c.buttons_axis[(uint64_t)b])
{
c.buttons_axis[(uint8_t)b] = false;
if (on_button_axis)
on_button_axis(c, b, Controller::Action::Release);
}
}
}
auto btn = c.state.ulButtonPressed;
for (auto b : { Controller::Button::Trigger, Controller::Button::Grip })
{
if ((btn & (uint64_t)b) != 0 && !c.buttons[(uint64_t)b])
{
c.buttons[(uint64_t)b] = true;
if (on_button)
on_button(c, b, Controller::Action::Press);
}
if ((btn & (uint64_t)b) == 0 && c.buttons[(uint64_t)b])
{
c.buttons[(uint64_t)b] = false;
if (on_button)
on_button(c, b, Controller::Action::Release);
}
}
nc++;
}
break;
case vr::TrackedDeviceClass_HMD:
{
auto level = hmd->GetTrackedDeviceActivityLevel(nDevice);
active = (level == vr::k_EDeviceActivityLevel_UserInteraction);
}
break;
case vr::TrackedDeviceClass_Invalid:
break;
case vr::TrackedDeviceClass_GenericTracker:
{
auto& c = trackers[nt];
c.index = nt;
c.active = true;
c.valid = true;
c.update(glm::make_mat4((float*)mat));
}
break;
case vr::TrackedDeviceClass_TrackingReference:
m_active = (m_hmd->GetTrackedDeviceActivityLevel(id) == vr::k_EDeviceActivityLevel_UserInteraction);
break;
default:
break;
}
}
}
if (nc > 1 && swap_controllers)
{
std::swap(controllers[0], controllers[1]);
}
}
}
void Vive::Draw()
{
if (!(hmd && comp && comp_attempts < 10))
if (!Valid())
return;
for (int eye = 0; eye < 2; ++eye)
{
eyes[eye].bindFramebuffer();
eyes[eye].clear(background);
glViewport(0, 0, eyes[eye].getWidth(), eyes[eye].getHeight());
m_eyes[eye].bindFramebuffer();
m_eyes[eye].clear();
glViewport(0, 0, m_eyes[eye].getWidth(), m_eyes[eye].getHeight());
if (on_draw)
on_draw(proj[eye], view[eye], pose);
on_draw(m_proj[eye], m_view[eye], m_pose);
eyes[eye].unbindFramebuffer();
m_eyes[eye].unbindFramebuffer();
}
vr::Texture_t eyeTexture0 = { (void*)eyes[0].getTextureID(), vr::ETextureType::TextureType_OpenGL, vr::ColorSpace_Linear };
if (auto err = comp->Submit(vr::EVREye::Eye_Left, &eyeTexture0) != vr::EVRCompositorError::VRCompositorError_None)
vr::Texture_t eyeTexture0 = { (void*)m_eyes[0].getTextureID(), vr::ETextureType::TextureType_OpenGL, vr::ColorSpace_Linear };
if (auto err = m_comp->Submit(vr::EVREye::Eye_Left, &eyeTexture0) != vr::EVRCompositorError::VRCompositorError_None)
{
LOG("Compositor error %d", err);
comp_attempts++;
return;
}
vr::Texture_t eyeTexture1 = { (void*)eyes[1].getTextureID(), vr::ETextureType::TextureType_OpenGL, vr::ColorSpace_Linear };
if (auto err = comp->Submit(vr::EVREye::Eye_Right, &eyeTexture1) != vr::EVRCompositorError::VRCompositorError_None)
vr::Texture_t eyeTexture1 = { (void*)m_eyes[1].getTextureID(), vr::ETextureType::TextureType_OpenGL, vr::ColorSpace_Linear };
if (auto err = m_comp->Submit(vr::EVREye::Eye_Right, &eyeTexture1) != vr::EVRCompositorError::VRCompositorError_None)
{
LOG("Compositor error %d", err);
comp_attempts++;
@@ -265,11 +130,9 @@ void Vive::Draw()
comp_attempts = 0;
glFlush();
// glFinish();
// glBindTexture(GL_TEXTURE_2D, 0);
}
bool Vive::Valid()
{
return comp && comp_attempts < 10;
return m_hmd && m_comp && comp_attempts < 10;
}