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122 lines
5.7 KiB
C++
122 lines
5.7 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#ifndef __IMGUI_MANAGER_H__
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#define __IMGUI_MANAGER_H__
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#pragma once
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#ifdef IMGUI_ENABLED
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#include <AzFramework/Input/Events/InputChannelEventListener.h>
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#include <AzFramework/Input/Events/InputTextEventListener.h>
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#include <AzFramework/Windowing/WindowBus.h>
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#include <ISystem.h>
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#include <imgui/imgui.h>
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#include <ImGuiBus.h>
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#include <VertexFormats.h>
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#if defined(LOAD_IMGUI_LIB_DYNAMICALLY) && !defined(AZ_MONOLITHIC_BUILD)
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#include <AzCore/Module/DynamicModuleHandle.h>
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#endif // defined(LOAD_IMGUI_LIB_DYNAMICALLY) && !defined(AZ_MONOLITHIC_BUILD)
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namespace ImGui
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{
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class ImGuiManager
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: public AzFramework::InputChannelEventListener
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, public AzFramework::InputTextEventListener
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, public ImGuiManagerBus::Handler
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, public AzFramework::WindowNotificationBus::Handler
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{
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public:
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void Initialize();
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void Shutdown();
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// This is called by the ImGuiGem to Register CVARs at the correct time
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void RegisterImGuiCVARs();
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protected:
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void RenderImGuiBuffers(const ImVec2& scaleRects);
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// -- ImGuiManagerBus Interface -------------------------------------------------------------------
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DisplayState GetEditorWindowState() const override { return m_editorWindowState; }
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void SetEditorWindowState(DisplayState state) override { m_editorWindowState = state; }
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DisplayState GetClientMenuBarState() const override { return m_clientMenuBarState; }
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void SetClientMenuBarState(DisplayState state) override { m_clientMenuBarState = state; }
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bool IsControllerSupportModeEnabled(ImGuiControllerModeFlags::FlagType controllerMode) const override;
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void EnableControllerSupportMode(ImGuiControllerModeFlags::FlagType controllerMode, bool enable) override;
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void SetControllerMouseSensitivity(float sensitivity) override { m_controllerMouseSensitivity = sensitivity; }
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float GetControllerMouseSensitivity() const override { return m_controllerMouseSensitivity; }
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bool GetEnableDiscreteInputMode() const override { return m_enableDiscreteInputMode; }
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void SetEnableDiscreteInputMode(bool enabled) override { m_enableDiscreteInputMode = enabled; }
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ImGuiResolutionMode GetResolutionMode() const override { return m_resolutionMode; }
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void SetResolutionMode(ImGuiResolutionMode mode) override { m_resolutionMode = mode; }
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const ImVec2& GetImGuiRenderResolution() const override { return m_renderResolution; }
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void SetImGuiRenderResolution(const ImVec2& res) override { m_renderResolution = res; }
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void OverrideRenderWindowSize(uint32_t width, uint32_t height) override;
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void RestoreRenderWindowSizeToDefault() override;
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void SetDpiScalingFactor(float dpiScalingFactor) override;
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float GetDpiScalingFactor() const override;
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void Render() override;
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void ToggleThroughImGuiVisibleState() override;
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// -- ImGuiManagerBus Interface -------------------------------------------------------------------
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// -- AzFramework::InputChannelEventListener and AzFramework::InputTextEventListener Interface ------------
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bool OnInputChannelEventFiltered(const AzFramework::InputChannel& inputChannel) override;
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bool OnInputTextEventFiltered(const AZStd::string& textUTF8) override;
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int GetPriority() const override { return AzFramework::InputChannelEventListener::GetPriorityDebugUI(); }
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// -- AzFramework::InputChannelEventListener and AzFramework::InputTextEventListener Interface ------------
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// AzFramework::WindowNotificationBus::Handler overrides...
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void OnWindowResized(uint32_t width, uint32_t height) override;
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// Sets up initial window size and listens for changes
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void InitWindowSize();
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// A function to toggle through the available ImGui Visibility States
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void ToggleThroughImGuiVisibleState(int controllerIndex);
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private:
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ImGuiContext* m_imguiContext = nullptr;
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DisplayState m_clientMenuBarState = DisplayState::Hidden;
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DisplayState m_editorWindowState = DisplayState::Hidden;
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// ImGui Resolution Settings
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ImGuiResolutionMode m_resolutionMode = ImGuiResolutionMode::MatchRenderResolution;
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ImVec2 m_renderResolution = ImVec2(1920.0f, 1080.0f);
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ImVec2 m_lastRenderResolution;
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AzFramework::WindowSize m_windowSize = AzFramework::WindowSize(1920, 1080);
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bool m_overridingWindowSize = false;
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// Rendering buffers
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std::vector<SVF_P3F_C4B_T2F> m_vertBuffer;
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std::vector<uint16> m_idxBuffer;
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//Controller navigation
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static const int MaxControllerNumber = 4;
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int m_currentControllerIndex;
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bool m_button1Pressed, m_button2Pressed, m_menuBarStatusChanged;
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bool m_hardwardeMouseConnected = false;
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bool m_enableDiscreteInputMode = false;
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ImGuiControllerModeFlags::FlagType m_controllerModeFlags = 0;
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float m_controllerMouseSensitivity = 4.0f;
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float m_controllerMousePosition[2] = { 0.0f, 0.0f };
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float m_lastPrimaryTouchPosition[2] = { 0.0f, 0.0f };
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bool m_useLastPrimaryTouchPosition = false;
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bool m_simulateBackspaceKeyPressed = false;
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#if defined(LOAD_IMGUI_LIB_DYNAMICALLY) && !defined(AZ_MONOLITHIC_BUILD)
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AZStd::unique_ptr<AZ::DynamicModuleHandle> m_imgSharedLib;
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#endif // defined(LOAD_IMGUI_LIB_DYNAMICALLY) && !defined(AZ_MONOLITHIC_BUILD)
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};
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void AddMenuItemHelper(bool& control, const char* show, const char* hide);
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}
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#endif // ~IMGUI_ENABLED
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#endif //__IMGUI_MANAGER_H__
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