You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
3.2 KiB
C++
117 lines
3.2 KiB
C++
4 years ago
|
/******************************************************************************
|
||
|
|
* File - gui.cpp
|
||
|
|
* Author - Joey Pollack
|
||
|
|
* Date - 2021/09/09 (y/m/d)
|
||
|
|
* Mod Date - 2021/09/09 (y/m/d)
|
||
|
|
* Description - The main class that manages Dear ImGui
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#include "gui.h"
|
||
|
|
|
||
|
|
#include <window/window.h>
|
||
|
|
#include <utils/helpers.h>
|
||
|
|
#include <utils/logger.h>
|
||
|
|
#include <imgui.h>
|
||
|
|
#include <imgui_impl_glfw.h>
|
||
|
|
#include <imgui_impl_opengl3.h>
|
||
|
|
|
||
|
|
namespace lunarium
|
||
|
|
{
|
||
|
|
GUI* GUI::mpInstance = nullptr;
|
||
|
|
GUI::GUI()
|
||
|
|
: mbIsInit(false), mbShowDemo(false)
|
||
|
|
{
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
GUI& GUI::GetInstance()
|
||
|
|
{
|
||
|
|
if (!mpInstance)
|
||
|
|
{
|
||
|
|
mpInstance = new GUI;
|
||
|
|
}
|
||
|
|
|
||
|
|
return *mpInstance;
|
||
|
|
}
|
||
|
|
|
||
|
|
void GUI::FreeInstance()
|
||
|
|
{
|
||
|
|
delete mpInstance;
|
||
|
|
mpInstance = nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
OpRes GUI::Initialize(Window* pWindow)
|
||
|
|
{
|
||
|
|
if (mbIsInit)
|
||
|
|
{
|
||
|
|
return OpRes::Fail("GUI is already initialized!");
|
||
|
|
}
|
||
|
|
|
||
|
|
IMGUI_CHECKVERSION();
|
||
|
|
ImGui::CreateContext();
|
||
|
|
ImGuiIO& io = ImGui::GetIO(); (void)io;
|
||
|
|
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
|
||
|
|
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
|
||
|
|
io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; // Enable Docking
|
||
|
|
io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable; // Enable Multi-Viewport / Platform Windows
|
||
|
|
|
||
|
|
// Setup Dear ImGui style
|
||
|
|
ImGui::StyleColorsDark();
|
||
|
|
|
||
|
|
// When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
|
||
|
|
ImGuiStyle& style = ImGui::GetStyle();
|
||
|
|
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
|
||
|
|
{
|
||
|
|
style.WindowRounding = 0.0f;
|
||
|
|
style.Colors[ImGuiCol_WindowBg].w = 1.0f;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Setup Platform/Renderer backends
|
||
|
|
ImGui_ImplGlfw_InitForOpenGL(pWindow->GetWindow(), true);
|
||
|
|
ImGui_ImplOpenGL3_Init(System::GetGLSLVersionString().c_str());
|
||
|
|
|
||
|
|
// Our state
|
||
|
|
ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
|
||
|
|
mbShowDemo = true;
|
||
|
|
|
||
|
|
Logger::Log(LogCategory::GRAPHICS, LogLevel::INFO, "ImGui setup");
|
||
|
|
return OpRes::OK();
|
||
|
|
}
|
||
|
|
|
||
|
|
void GUI::Shutdown()
|
||
|
|
{
|
||
|
|
ImGui_ImplOpenGL3_Shutdown();
|
||
|
|
ImGui_ImplGlfw_Shutdown();
|
||
|
|
ImGui::DestroyContext();
|
||
|
|
|
||
|
|
mbIsInit = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
void GUI::NewFrame()
|
||
|
|
{
|
||
|
|
if (!mbIsInit)
|
||
|
|
return;
|
||
|
|
|
||
|
|
ImGui_ImplOpenGL3_NewFrame();
|
||
|
|
ImGui_ImplGlfw_NewFrame();
|
||
|
|
ImGui::NewFrame();
|
||
|
|
}
|
||
|
|
|
||
|
|
void GUI::ShowDemoWindow()
|
||
|
|
{
|
||
|
|
if (!mbIsInit)
|
||
|
|
return;
|
||
|
|
|
||
|
|
ImGui::ShowDemoWindow(&mbShowDemo);
|
||
|
|
ImGui::Render();
|
||
|
|
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
|
||
|
|
|
||
|
|
if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
|
||
|
|
{
|
||
|
|
GLFWwindow* backup_current_context = glfwGetCurrentContext();
|
||
|
|
ImGui::UpdatePlatformWindows();
|
||
|
|
ImGui::RenderPlatformWindowsDefault();
|
||
|
|
glfwMakeContextCurrent(backup_current_context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|