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UI.cpp
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UI.cpp
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#include "UI.h"
#include "math.h"
#include "time.h"
#include <windows.h>
#include "imgui/imgui.h"
#include "imgui/backends/imgui_impl_opengl3.h"
#include "imgui/backends/imgui_impl_win32.h"
#include <GL/GL.h>
#include <GL/glu.h>
#include "main.h"
#include "VRChatOSC.h"
#include "NatNet.h"
#include "NatNetMath.h"
#include <stdio.h>
#include "NatNetCollections.h"
#include "DrawingFunctions.h"
#define CLAMP_INT(x, min, max) if (x < min) x = min; if (x > max) x = max;
#define M_PI 3.14159265358979323846
namespace UI
{
WNDCLASSEXW mainWindowClass;
HWND mainWindow;
HDC mainDeviceContext;
HGLRC glContext;
int width;
int height;
clock_t currentTime;
int selectedTrackerId = -1;
float cameraPositionX = 0, cameraPositionY = -1, cameraPositionZ = -4;
float cameraRotationX = 0, cameraRotationY = 0;
bool enableFlyControl = false;
bool CreateUI()
{
mainWindowClass =
{
sizeof(mainWindowClass),
CS_OWNDC,
wndProc,
0L,
0L,
GetModuleHandle(NULL),
NULL,
NULL,
NULL,
NULL,
L"VRChatOSCOptitrack",
NULL
};
::RegisterClassExW(&mainWindowClass);
mainWindow = ::CreateWindowW(mainWindowClass.lpszClassName, L"VRChat OptiTrack Interface", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, mainWindowClass.hInstance, NULL);
if (!createDevice(mainWindow, &mainDeviceContext))
{
cleanupDevice(mainWindow, mainDeviceContext);
::DestroyWindow(mainWindow);
::UnregisterClassW(mainWindowClass.lpszClassName, mainWindowClass.hInstance);
return false;
}
if (!glContext)
glContext = wglCreateContext(mainDeviceContext);
wglMakeCurrent(mainDeviceContext, glContext);
glClearColor(0.05f, 0.05f, 0.05f, 1.00f);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
::ShowWindow(mainWindow, SW_SHOWDEFAULT);
::UpdateWindow(mainWindow);
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;
ImGui::StyleColorsDark();
ImGui_ImplWin32_InitForOpenGL(mainWindow);
ImGui_ImplOpenGL3_Init();
return true;
}
void DestroyUI()
{
ImGui_ImplOpenGL3_Shutdown();
ImGui_ImplWin32_Shutdown();
ImGui::DestroyContext();
cleanupDevice(mainWindow, mainDeviceContext);
wglDeleteContext(glContext);
::DestroyWindow(mainWindow);
::UnregisterClassW(mainWindowClass.lpszClassName, mainWindowClass.hInstance);
ReleaseDC(mainWindow, mainDeviceContext);
}
void RenderEnvironment()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
{
glLoadIdentity();
GLfloat glfLightPos[] = { -4.0f, 4.0f, 4.0f, 0.0f };
GLfloat glfLightAmb[] = { .3f, .3f, .3f, 1.0f };
glLightfv(GL_LIGHT0, GL_AMBIENT, glfLightAmb);
glLightfv(GL_LIGHT1, GL_POSITION, glfLightPos);
glEnable(GL_COLOR_MATERIAL);
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
glPushMatrix();
}
{
glRotatef(cameraRotationX, 1, 0, 0);
glRotatef(cameraRotationY, 0, 1, 0);
glTranslatef(cameraPositionX * 1000, cameraPositionY * 1000, cameraPositionZ * 1000);
}
{
glLineWidth(3.0f);
glBegin(GL_LINES);
glColor3f(.8f, 0.0f, 0.0f);
glVertex3f(0, 0, 0);
glVertex3f(300, 0, 0);
glColor3f(0.0f, .8f, 0.0f);
glVertex3f(0, 0, 0);
glVertex3f(0, 300, 0);
glColor3f(0.0f, 0.0f, .8f);
glVertex3f(0, 0, 0);
glVertex3f(0, 0, 300);
glEnd();
}
{
glLineWidth(1.0f);
glPushAttrib(GL_ALL_ATTRIB_BITS);
glPushMatrix();
float halfSize = 2000.0f; // world is in mms - set to 2 cubic meters
float step = 100.0f; // line every .1 meter
float major = 200.0f; // major every .2 meters
float yloc = 0.0f;
glEnable(GL_LINE_STIPPLE);
glLineWidth(0.25);
glDepthMask(true);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_ALWAYS);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_COLOR_MATERIAL);
float r, g, b, a;
r = g = b = a = 0.7f;
for (float x = -halfSize; x <= halfSize; x += step)
{
if ((x == 0) || (x == -halfSize) || (x == halfSize)) // edge or center line
{
glColor4f(.76f * r, .76f * g, .76f * b, .76f * a);
}
else
{
float ff = fmod(x, major);
if (ff == 0.0f) // major line
{
glColor4f(.55f * r, 0.55f * g, 0.55f * b, 0.55f * a);
}
else // minor line
{
glColor4f(0.3f * r, 0.3f * g, 0.3f * b, 0.3f * a);
}
}
glBegin(GL_LINES);
glVertex3f(x, 0, halfSize); // vertical
glVertex3f(x, 0, -halfSize);
glVertex3f(halfSize, 0, x); // horizontal
glVertex3f(-halfSize, 0, x);
glEnd();
}
glPopAttrib();
glPopMatrix();
}
}
void RenderMarker(NatNet::Marker marker)
{
glPushAttrib(GL_ALL_ATTRIB_BITS);
glColor4f(0.8f, 0.8f, 0.8f, 0.8f);
glPushMatrix();
glRotatef(cameraRotationX, 1, 0, 0);
glRotatef(cameraRotationY, 0, 1, 0);
glTranslatef(cameraPositionX * 1000, cameraPositionY * 1000, cameraPositionZ * 1000);
glTranslatef(marker.x * 1000.0f, marker.y * 1000.0f, marker.z * 1000.0f);
DrawingFunctions::DrawSphere(1, 5.0f);
glPopMatrix();
glPopAttrib();
}
NatNetMath::Mat4Wrapper testQuatToMat44(NatNetMath::Quaternion q)
{
float x = q.x * 2.0F;
float y = q.y * 2.0F;
float z = q.z * 2.0F;
float xx = q.x * x;
float yy = q.y * y;
float zz = q.z * z;
float xy = q.x * y;
float xz = q.x * z;
float yz = q.y * z;
float wx = q.w * x;
float wy = q.w * y;
float wz = q.w * z;
return {
{
1.0f - (yy + zz), xy + wz, xz - wy, 0.0,
xy - wz, 1.0f - (xx + zz), yz + wx, 0.0,
xz + wy, yz - wx, 1.0f - (xx + yy), 0.0,
0.0, 0.0, 0.0, 1.0
}
};
}
void RenderRigidBody(NatNet::RigidBody rigidBody)
{
glPushAttrib(GL_ALL_ATTRIB_BITS);
glPushMatrix();
glRotatef(cameraRotationX, 1, 0, 0);
glRotatef(cameraRotationY, 0, 1, 0);
glTranslatef(cameraPositionX * 1000, cameraPositionY * 1000, cameraPositionZ * 1000);
glTranslatef(rigidBody.x * 1000.0f, rigidBody.y * 1000.0f, rigidBody.z * 1000.0f);
glMultMatrixf(testQuatToMat44({
rigidBody.rx,
rigidBody.ry,
rigidBody.rz,
rigidBody.rw,
}).mat);
bool isActive = false;
for (int i = 0; i < 9; i++)
{
if (rigidBody.id == getOSCTrackerNumber(i))
isActive = true;
}
glLineWidth(3.0f);
glBegin(GL_LINES);
glColor3f(0.8f, 0.8f, 0.8f);
glVertex3f(0, 0, 0);
glVertex3f(0, 0, 100);
glEnd();
DrawingFunctions::DrawCube(50.0f, isActive, rigidBody.id == selectedTrackerId);
glPopMatrix();
glPopAttrib();
}
void createTrackerSelecter(const char* label, int oscId)
{
int optitrackId = getOSCTrackerNumber(oscId);
ImGui::PushID("intinput", label);
if (ImGui::InputInt("", &optitrackId))
{
setOSCTrackerNumber(oscId, optitrackId);
selectedTrackerId = optitrackId;
}
if (ImGui::BeginDragDropTarget())
{
if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("TRACKER_ID"))
setOSCTrackerNumber(oscId, *(const int*) payload->Data);
ImGui::EndDragDropTarget();
}
ImGui::PopID();
ImGui::SameLine();
if (ImGui::Selectable(label, selectedTrackerId == optitrackId))
{
if (selectedTrackerId == optitrackId)
selectedTrackerId = -1;
else
selectedTrackerId = optitrackId;
}
}
void RenderUI()
{
clock_t nextTime = clock();
clock_t deltaTime = nextTime - currentTime;
currentTime = nextTime;
static float lookSensitivity = 2.0f, moveSensitivity = 1.0f;
if (enableFlyControl)
{
RECT viewportRect;
GetWindowRect(mainWindow, &viewportRect);
float centerX = viewportRect.left + ((viewportRect.right - viewportRect.left) / 2.0f);
float centerY = viewportRect.top + ((viewportRect.bottom - viewportRect.top) / 2.0f);
POINT cursorPosition = { centerX, centerY };
GetCursorPos(&cursorPosition);
float deltaX = cursorPosition.x - centerX;
float deltaY = cursorPosition.y - centerY;
SetCursorPos(centerX, centerY);
cameraRotationY += deltaX * lookSensitivity * ((float) deltaTime / (float) CLOCKS_PER_SEC);
cameraRotationX += deltaY * lookSensitivity * ((float) deltaTime / (float) CLOCKS_PER_SEC);
float forwardSpeed = 0;
float sideSpeed = 0;
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(ImGuiKey_W)))
forwardSpeed++;
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(ImGuiKey_S)))
forwardSpeed--;
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(ImGuiKey_A)))
sideSpeed++;
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(ImGuiKey_D)))
sideSpeed--;
cameraPositionX += (
(cos(cameraRotationX * (M_PI / 180.0)) * sin(-cameraRotationY * (M_PI / 180.0)) * forwardSpeed) +
(cos(-cameraRotationY * (M_PI / 180.0)) * sideSpeed)
) * ((float)deltaTime / (float)CLOCKS_PER_SEC) * moveSensitivity;
cameraPositionY += sin(cameraRotationX * (M_PI / 180.0)) * forwardSpeed * ((float) deltaTime / (float) CLOCKS_PER_SEC) * moveSensitivity;
cameraPositionZ += (
(cos(cameraRotationX * (M_PI / 180.0)) * cos(-cameraRotationY * (M_PI / 180.0)) * forwardSpeed) +
(sin(cameraRotationY * (M_PI / 180.0)) * sideSpeed)
) * ((float) deltaTime / (float) CLOCKS_PER_SEC) * moveSensitivity;
}
MSG message;
while (::PeekMessage(&message, NULL, 0U, 0U, PM_REMOVE))
{
::TranslateMessage(&message);
::DispatchMessage(&message);
if (message.message == WM_QUIT)
mainExit();
}
ImGui_ImplOpenGL3_NewFrame();
ImGui_ImplWin32_NewFrame();
ImGui::NewFrame();
ImGui::SetNextWindowPos({ 0, 0 });
ImGui::SetNextWindowCollapsed(false, ImGuiCond_Once);
if (ImGui::Begin("Configuration", NULL, ImGuiWindowFlags_AlwaysAutoResize))
{
{// VRChat OSC UI Code
if (VRChatOSC::IsConnected())
ImGui::PushStyleColor(ImGuiCol_Separator, (ImVec4)ImColor::HSV(0.2f / 0.7f, 0.6f, 0.6f));
else
ImGui::PushStyleColor(ImGuiCol_Separator, (ImVec4)ImColor::HSV(0, 0.6f + sin(currentTime / 100.0f) * 0.2f, 0.6f + sin(currentTime / 100.0f) * 0.2f));
ImGui::SeparatorText("VRChat OSC");
ImGui::PopStyleColor(1);
static int vrChatIpAddress[4] = { 127, 0, 0, 1 };
ImGui::InputInt4("IP Address", vrChatIpAddress);
CLAMP_INT(vrChatIpAddress[0], 0, 255);
CLAMP_INT(vrChatIpAddress[1], 0, 255);
CLAMP_INT(vrChatIpAddress[2], 0, 255);
CLAMP_INT(vrChatIpAddress[3], 0, 255);
if (VRChatOSC::IsConnected())
{
if (ImGui::Button("Disconnect"))
VRChatOSC::Disconnect();
ImGui::Text("Currently Connected to: %s", VRChatOSC::GetAddress());
}
else
{
ImGui::PushID("VRChatConnect");
if (ImGui::Button("Connect"))
VRChatOSC::Connect(vrChatIpAddress);
ImGui::PopID();
ImGui::Text("Currently Disconnected");
}
}
{// OptiTrack Motive UI Code
if (NatNet::IsConnected())
ImGui::PushStyleColor(ImGuiCol_Separator, (ImVec4)ImColor::HSV(0.2f / 0.7f, 0.6f, 0.6f));
else
ImGui::PushStyleColor(ImGuiCol_Separator, (ImVec4)ImColor::HSV(0, 0.6f + sin(currentTime / 100.0f) * 0.2f, 0.6f + sin(currentTime / 100.0f) * 0.2f));
ImGui::SeparatorText("OptiTrack Motive");
ImGui::PopStyleColor(1);
static int natNetLocalAddress[4] = { 127, 0, 0, 1 };
ImGui::InputInt4("Local Address", natNetLocalAddress);
CLAMP_INT(natNetLocalAddress[0], 0, 255);
CLAMP_INT(natNetLocalAddress[1], 0, 255);
CLAMP_INT(natNetLocalAddress[2], 0, 255);
CLAMP_INT(natNetLocalAddress[3], 0, 255);
static int natNetServerAddress[4] = { 127, 0, 0, 1 };
ImGui::InputInt4("Server Address", natNetServerAddress);
CLAMP_INT(natNetServerAddress[0], 0, 255);
CLAMP_INT(natNetServerAddress[1], 0, 255);
CLAMP_INT(natNetServerAddress[2], 0, 255);
CLAMP_INT(natNetServerAddress[3], 0, 255);
const char* castMode[] = { "Multicast", "Unicast" };
static int selectedCastMode = 0;
ImGui::Combo("Connection Type", &selectedCastMode, castMode, 2);
if (NatNet::IsConnected())
{
if (ImGui::Button("Disconnect"))
NatNet::Disconnect();
ImGui::Text("Currently Connected to:");
ImGui::Text("Local: %s", NatNet::GetLocalAddress());
ImGui::Text("Server: %s", NatNet::GetServerAddress());
ImGui::Text("Connection Type: %s", NatNet::UsingMulticast() ? "Multicast" : "Unicast");
}
else
{
ImGui::PushID("OptiTrackConnect");
if (ImGui::Button("Connect"))
NatNet::Connect(natNetLocalAddress, natNetServerAddress, 1 - selectedCastMode);
ImGui::PopID();
ImGui::Text("Currently Disconnected");
}
}
}
ImVec2 configWindowSize = ImGui::GetWindowSize();
ImGui::End();
ImGui::SetNextWindowPos({ 0, configWindowSize.y });
ImGui::SetNextWindowCollapsed(true, ImGuiCond_Once);
if (ImGui::Begin("Tracking Setup", NULL, ImGuiWindowFlags_AlwaysAutoResize))
{
createTrackerSelecter("Head", 0);
createTrackerSelecter("Hips", 1);
createTrackerSelecter("Chest", 2);
createTrackerSelecter("Left Foot", 3);
createTrackerSelecter("Right Foot", 4);
createTrackerSelecter("Left Knee", 5);
createTrackerSelecter("Right Knee", 6);
createTrackerSelecter("Left Elbow", 7);
createTrackerSelecter("Right Elbow", 8);
ImGui::SeparatorText("Detected Trackers");
{
ImGui::BeginChild("TrackerListBox", ImVec2(0, ImGui::GetTextLineHeightWithSpacing() * 7.25f + ImGui::GetStyle().FramePadding.y * 2.0f));
for (int i = 0; i < NatNetRigidBodyCollection::GetCount(); i++)
{
ImGui::PushID(i);
NatNet::RigidBody activeRigidBody = NatNetRigidBodyCollection::Get(i);
char rigidBodyName[1024];
sprintf(rigidBodyName, "(%03d) %-32s", activeRigidBody.id, NatNet::GetMappedName(activeRigidBody.id).c_str());
if (ImGui::Selectable(rigidBodyName, selectedTrackerId == activeRigidBody.id))
{
if (selectedTrackerId == activeRigidBody.id)
selectedTrackerId = -1;
else
selectedTrackerId = activeRigidBody.id;
}
if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None))
{
ImGui::SetDragDropPayload("TRACKER_ID", &activeRigidBody.id, sizeof(int));
ImGui::Text(rigidBodyName);
ImGui::EndDragDropSource();
}
ImGui::PopID();
}
ImGui::EndChild();
}
}
ImVec2 setupWindowSize = ImGui::GetWindowSize();
ImGui::End();
ImGui::SetNextWindowPos({ 0, configWindowSize.y + setupWindowSize.y });
ImGui::SetNextWindowCollapsed(true, ImGuiCond_Once);
if (ImGui::Begin("View", NULL, ImGuiWindowFlags_AlwaysAutoResize))
{
if (ImGui::Button("Reset View Point"))
{
cameraPositionX = 0, cameraPositionY = -1, cameraPositionZ = -4;
cameraRotationX = 0, cameraRotationY = 0;
}
ImGui::SliderFloat("Look Sensitivity", &lookSensitivity, 0.1f, 5.0f);
ImGui::SliderFloat("Move Sensitivity", &moveSensitivity, 0.1f, 5.0f);
}
ImGui::End();
ImGui::Render();
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
::SwapBuffers(mainDeviceContext);
}
bool createDevice(HWND window, HDC* deviceContext)
{
*deviceContext = ::GetDC(mainWindow);
PIXELFORMATDESCRIPTOR pixelFormatDescriptor = { 0 };
pixelFormatDescriptor.nSize = sizeof(pixelFormatDescriptor);
pixelFormatDescriptor.nVersion = 1;
pixelFormatDescriptor.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pixelFormatDescriptor.iPixelType = PFD_TYPE_RGBA;
pixelFormatDescriptor.cColorBits = 32;
int pixelFormat = ::ChoosePixelFormat(*deviceContext, &pixelFormatDescriptor);
if (pixelFormat == 0)
return false;
if (::SetPixelFormat(*deviceContext, pixelFormat, &pixelFormatDescriptor) == FALSE)
return false;
::ReleaseDC(mainWindow, *deviceContext);
*deviceContext = ::GetDC(mainWindow);
return true;
}
void cleanupDevice(HWND window, HDC deviceContext)
{
wglMakeCurrent(NULL, NULL);
::ReleaseDC(window, deviceContext);
}
LRESULT CALLBACK wndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam))
return true;
switch (msg)
{
case WM_SIZE:
{
if (wParam != SIZE_MINIMIZED)
{
width = LOWORD(lParam);
height = HIWORD(lParam);
wglMakeCurrent(mainDeviceContext, glContext);
float aspectRatio = ((float) width) / ((float)height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60.0f, aspectRatio, 1.0f, 10000.0f);
glViewport(0, 0, width, height);
glMatrixMode(GL_MODELVIEW);
}
return 0;
}
case WM_RBUTTONDOWN:
{
enableFlyControl = true;
RECT viewportRect;
GetWindowRect(mainWindow, &viewportRect);
ShowCursor(false);
SetCursorPos(viewportRect.left + ((viewportRect.right - viewportRect.left) / 2.0f), viewportRect.top + ((viewportRect.bottom - viewportRect.top) / 2.0f));
break;
}
case WM_RBUTTONUP:
{
enableFlyControl = false;
ShowCursor(true);
break;
}
case WM_SYSCOMMAND:
{
if ((wParam & 0xfff0) == SC_KEYMENU)
return 0;
break;
}
case WM_DESTROY:
{
::PostQuitMessage(0);
return 0;
}
}
return ::DefWindowProcW(hWnd, msg, wParam, lParam);
}
}