dearImGui.cpp

#include "framework.h"
#include "dearImGui.h"

#include "wnd.h"
#include "d3d.h"

#include "options.h"


void DIG::initImGui()
{
    IMGUI_CHECKVERSION();
    ImGui::CreateContext();

    ImGuiIO& io = ImGui::GetIO();
    io.IniFilename = nullptr;
    io.LogFilename = nullptr;
    io.WantSaveIniSettings = false;

    ImGui::StyleColorsDark();
    ImGuiStyle& style = ImGui::GetStyle();
    style.WindowMinSize = ImVec2(width, height);
    style.WindowTitleAlign = ImVec2(0.50f, 0.50f); // Title
    style.WindowPadding = ImVec2(20.0f, 20.0f);
    style.WindowRounding = 9.0f;
    style.FrameRounding = 12.0f;
    style.FramePadding = ImVec2(17.0f, 4.0f);
    style.TabRounding = 9.0f;
    style.GrabRounding = 10.0f;
    style.GrabMinSize = 15.0f;
    style.ScrollbarSize = 17.0f;
    style.ItemSpacing = ImVec2(13.0f, 4.0f);
    style.ItemInnerSpacing = ImVec2(10.0f, 8.0f);

    ImGui_ImplWin32_Init(window->hWnd);
    ImGui_ImplDX9_Init(d3d9->d3ddev);
}

void DIG::renderImGui()
{
    ImGui_ImplDX9_NewFrame();
    ImGui_ImplWin32_NewFrame();
    ImGui::NewFrame();

    // Menu
    ImGui::Begin("ExOverlay");
    {
        AddCheckBox("God Mode", &option->bGodMode);
    }
    ImGui::End();

    ImGui::Render();
    ImGui_ImplDX9_RenderDrawData(ImGui::GetDrawData());
}

void DIG::cleanImGui()
{
    ImGui_ImplDX9_Shutdown();
    ImGui_ImplWin32_Shutdown();
    ImGui::DestroyContext();
}

void DIG::AddCheckBox(const char* title, bool* var)
{
    ImGui::SetCursorPos(ImVec2(ImGui::GetCursorPos().x + 10, ImGui::GetCursorPos().y + 15));
    ImGui::Checkbox(title, var);
}

bool DIG::AddButton(const char* title)
{
    ImGui::SetCursorPos(ImVec2(ImGui::GetCursorPos().x + 10, ImGui::GetCursorPos().y + 15));
    return ImGui::Button(title, ImVec2(110.0f, 30.0f));
}

template <typename T>
void DIG::AddSlider(const char* label, T* value, T v_min, T v_max)
{
    ImGui::SetCursorPos(ImVec2(ImGui::GetCursorPosX() + 15, ImGui::GetCursorPosY() + 8));

    if constexpr (std::is_integral_v<T>)
    {
        ImGui::SliderInt(label, value, v_min, v_max);
    }

    if constexpr (std::is_floating_point_v<T>)
    {
        ImGui::SliderFloat(label, value, v_min, v_max);
    }
}

DIG* dearImGui = new DIG();