ImGui

HydraEngine/source/gui/HydraGuiManager.cpp

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+#include "HydraGuiManager.h"
+#include "HydraSceneGraphWindow.h"
+#include "../scheduler/HydraTaskScheduler.h"
+#include "../task/gui/HydraInitialiseGUITask.hpp"
+#include "../task/gui/HydraShutdownGUITask.hpp"
+#include "../task/gui/HydraStartGUIFrameTask.hpp"
+#include "../task/gui/HydraDrawWindowTask.hpp"
+#include "../task/gui/HydraEndGUIFrameTask.hpp"
+#include <imgui.h>
+#include <imgui_impl_glfw.h>
+#include <imgui_impl_opengl3.h>
+
+void HydraGUIManager::Intialise()
+{
+    HydraID task_id = GetEngine()->TaskScheduler()->CreateTask<HydraInitialiseGUITask>(HydraThreadAffinity::Render);//, barrier_id);
+    HydraInitialiseGUITask* task = static_cast<HydraInitialiseGUITask*>(GetEngine()->TaskScheduler()->GetTask(task_id));
+        
+    GetEngine()->TaskScheduler()->WaitForTask(task_id);
+
+    std::unique_ptr<HydraSceneGraphWindow> window = std::make_unique<HydraSceneGraphWindow>();
+    AddWindow(std::move(window));
+}
+
+void HydraGUIManager::Shutdown()
+{
+    for(uint32_t i = 0; i < m_windows.size(); i++)
+    {
+        m_windows[i].release();
+    }
+    m_windows.clear();
+    HydraID task_id = GetEngine()->TaskScheduler()->CreateTask<HydraShutdownGUITask>(HydraThreadAffinity::Render);//, barrier_id);
+      GetEngine()->TaskScheduler()->WaitForTask(task_id);
+}
+
+void HydraGUIManager::BeginFrame()
+{
+    HydraID task_id = GetEngine()->TaskScheduler()->CreateTask<HydraStartGUIFrameTask>(HydraThreadAffinity::Render);//, barrier_id);
+    GetEngine()->TaskScheduler()->WaitForTask(task_id);
+        
+    
+      
+}
+
+void HydraGUIManager::DrawWindows()
+{
+    for(uint32_t i = 0; i < m_windows.size(); i++)
+    {
+        HydraID task_id = GetEngine()->TaskScheduler()->CreateTask<HydraDrawWindowTask>(HydraThreadAffinity::Render);//, barrier_id);
+        HydraDrawWindowTask* task = static_cast<HydraDrawWindowTask*>(GetEngine()->TaskScheduler()->GetTask(task_id));
+        task->Initialise(m_windows[i].get());
+        GetEngine()->TaskScheduler()->WaitForTask(task_id);
+    }
+}
+
+void HydraGUIManager::EndFrame()
+{
+     HydraID task_id = GetEngine()->TaskScheduler()->CreateTask<HydraEndGUIFrameTask>(HydraThreadAffinity::Render);//, barrier_id);
+    GetEngine()->TaskScheduler()->WaitForTask(task_id);
+}
+
+void HydraGUIManager::AddWindow(std::unique_ptr<HydraGuiWindow> window)
+{
+    m_windows.push_back(std::move(window));
+}

HydraEngine/source/gui/HydraGuiManager.h

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+#ifndef HYDRAGUIMANAGER
+#define HYDRAGUIMANAGER
+#include "../engine/HydraObject.h"
+#include "HydraGuiWindow.h"
+#include <vector>
+#include <memory>
+
+class HydraGUIManager : public HydraObject
+{
+public:
+    void Intialise();
+    void Shutdown();
+
+    void BeginFrame();
+    void DrawWindows();
+    void EndFrame();
+
+    void AddWindow(std::unique_ptr<HydraGuiWindow> window);
+private:
+    std::vector<std::unique_ptr<HydraGuiWindow>> m_windows;
+
+
+};
+
+#endif /* HYDRAGUIMANAGER */

HydraEngine/source/gui/HydraGuiWindow.h

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+#ifndef HYDRAGUIWINDOW
+#define HYDRAGUIWINDOW
+
+#include "../engine/HydraObject.h"
+
+
+class HydraGuiWindow : public HydraObject
+{
+public:
+    virtual void DrawComponents() = 0;
+private:
+};
+
+#endif /* HYDRAGUIWINDOW */

HydraEngine/source/gui/HydraSceneGraphWindow.cpp

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+#include "HydraSceneGraphWindow.h"
+
+#include <imgui.h>
+#include <imgui_impl_glfw.h>
+#include <imgui_impl_opengl3.h>
+
+void HydraSceneGraphWindow::DrawComponents()
+{
+    float f = 0.0f;
+    bool val1 = false;
+    bool val2 = true;
+    uint32_t counter = 0;
+    ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it.
+
+    ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too)
+    ImGui::Checkbox("Demo Window", &val1);    // Edit bools storing our window open/close state
+    ImGui::Checkbox("Another Window", &val2);
+
+    ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f
+
+    if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated)
+        counter++;
+    ImGui::SameLine();
+    ImGui::Text("counter = %d", counter);
+    ImGuiIO& io = ImGui::GetIO();
+    ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
+    ImGui::End();
+}

HydraEngine/source/gui/HydraSceneGraphWindow.h

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+#ifndef HYDRASCENEGRAPHYWINDOW
+#define HYDRASCENEGRAPHYWINDOW
+#include "../engine/HydraObject.h"
+#include "HydraGuiWindow.h"
+
+class HydraSceneGraphWindow : public HydraGuiWindow
+{
+    public:
+        void DrawComponents() override;
+    private:
+};
+
+#endif /* HYDRASCENEGRAPHYWINDOW */