94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "ImGuiImplOpenVulkano.hpp"
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#include "Base/FrameMetadata.hpp"
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#include "Input/InputManager.hpp"
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#include "Base/Logger.hpp"
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#include <imgui.h>
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namespace OpenVulkano
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{
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ImGuiImplOpenVulkano ImGuiImplOpenVulkano::INSTANCE{};
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namespace {
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Input::InputAction pressed("ImGuiMousePressed");
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Input::InputAction positionX("ImGuiMousePositionX");
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Input::InputAction positionY("ImGuiMousePositionY");
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}
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void ImGuiImplOpenVulkano::Init(OpenVulkano::IWindow* window)
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{
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ImGuiIO& io = ImGui::GetIO();
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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m_window = window;
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io.BackendPlatformUserData = this;
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io.BackendPlatformName = "imgui_impl_ios";
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/*io.SetClipboardTextFn = ImGui_ImplGlfw_SetClipboardText;
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io.GetClipboardTextFn = ImGui_ImplGlfw_GetClipboardText;
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io.ClipboardUserData = bd->Window;*/
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ImGuiViewport* mainViewport = ImGui::GetMainViewport();
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mainViewport->PlatformHandle = m_window;
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pressed.BindKey(Input::InputKey::Mouse::BUTTON_1);
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pressed.BindKey(Input::InputKey::Touch::BUTTON_TAP);
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pressed.BindKey(Input::InputKey::Touch::BUTTON_PAN);
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positionX.BindKey(Input::InputKey::Mouse::AXIS_X_ABS);
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positionX.BindKey(Input::InputKey::Touch::AXIS_TAP_X_ABS);
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positionX.BindKey(Input::InputKey::Touch::AXIS_PAN_X_ABS);
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positionY.BindKey(Input::InputKey::Mouse::AXIS_Y_ABS);
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positionY.BindKey(Input::InputKey::Touch::AXIS_TAP_Y_ABS);
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positionY.BindKey(Input::InputKey::Touch::AXIS_PAN_Y_ABS);
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}
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void ImGuiImplOpenVulkano::NewFrame()
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{
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ImGuiIO& io = ImGui::GetIO();
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IM_ASSERT(m_window != nullptr && "Did you call Init?");
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// Setup display size (every frame to accommodate for window resizing)
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/*int w, h;
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int display_w, display_h;
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glfwGetWindowSize(bd->Window, &w, &h);
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glfwGetFramebufferSize(bd->Window, &display_w, &display_h);
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io.DisplaySize = ImVec2((float)w, (float)h);
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if (w > 0 && h > 0)
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io.DisplayFramebufferScale = ImVec2((float)display_w / (float)w, (float)display_h / (float)h);*/
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io.DisplaySize = { static_cast<float>(m_window->GetWidth()), static_cast<float>(m_window->GetHeight()) };
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io.DisplayFramebufferScale = { m_window->GetContentScale(), m_window->GetContentScale() };
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//if (bd->WantUpdateMonitors)
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//ImGui_ImplGlfw_UpdateMonitors();
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// Setup time step
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io.DeltaTime = CURRENT_FRAME.frameTime;
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//TODO handle inputs
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auto input = Input::InputManager::GetInstance();
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auto p = io.MousePos = { input->GetAxis(&positionX) / io.DisplayFramebufferScale.x, input->GetAxis(&positionY) / io.DisplayFramebufferScale.y };
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io.MouseDown[0] = input->GetButton(&pressed);
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}
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void ImGuiImplOpenVulkano::Close()
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{
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ImGuiIO& io = ImGui::GetIO();
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#ifndef __APPLE__
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ImGui::DestroyPlatformWindows();
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#endif
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io.BackendPlatformName = nullptr;
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io.BackendPlatformUserData = nullptr;
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io.BackendFlags = ImGuiBackendFlags_None;
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}
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}
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