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o3de/Gems/AtomLyIntegration/ImguiAtom/Code/Source/ImguiAtomSystemComponent.cpp

98 lines
3.7 KiB
C++

/*
* All or portions of this file Copyright(c) Amazon.com, Inc.or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution(the "License").All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file.Do not
* remove or modify any license notices.This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#include "ImguiAtomSystemComponent.h"
#include <AzCore/Serialization/SerializeContext.h>
#include <AzFramework/Windowing/WindowBus.h>
#include <Atom/Feature/ImGui/ImGuiUtils.h>
#include <Atom/Feature/ImGui/SystemBus.h>
#include <Atom/RPI.Public/ViewportContext.h>
#if defined(IMGUI_ENABLED)
#include <ImGuiBus.h>
#endif
namespace AZ
{
namespace LYIntegration
{
void ImguiAtomSystemComponent::Reflect(AZ::ReflectContext* context)
{
if (auto* serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
{
serializeContext->Class<ImguiAtomSystemComponent, AZ::Component>()
->Version(0)
;
}
}
void ImguiAtomSystemComponent::GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided)
{
provided.push_back(AZ_CRC_CE("ImguiAtomSystemComponent"));
}
void ImguiAtomSystemComponent::GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& required)
{
required.push_back(AZ_CRC_CE("CommonService"));
}
void ImguiAtomSystemComponent::GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatbile)
{
incompatbile.push_back(AZ_CRC_CE("ImguiAtomSystemComponent"));
}
void ImguiAtomSystemComponent::Activate()
{
ImGui::OtherActiveImGuiRequestBus::Handler::BusConnect();
auto atomViewportRequests = AZ::Interface<AZ::RPI::ViewportContextRequestsInterface>::Get();
const AZ::Name contextName = atomViewportRequests->GetDefaultViewportContextName();
AZ::RPI::ViewportContextNotificationBus::Handler::BusConnect(contextName);
#if defined(IMGUI_ENABLED)
ImGui::ImGuiManagerListenerBus::Broadcast(&ImGui::IImGuiManagerListener::SetResolutionMode, ImGui::ImGuiResolutionMode::LockToResolution);
auto defaultViewportContext = atomViewportRequests->GetDefaultViewportContext();
if (defaultViewportContext)
{
OnViewportSizeChanged(defaultViewportContext->GetViewportSize());
}
#endif
}
void ImguiAtomSystemComponent::Deactivate()
{
ImGui::OtherActiveImGuiRequestBus::Handler::BusDisconnect();
AZ::RPI::ViewportContextNotificationBus::Handler::BusDisconnect();
}
void ImguiAtomSystemComponent::RenderImGuiBuffers(const ImDrawData& drawData)
{
Render::ImGuiSystemRequestBus::Broadcast(&Render::ImGuiSystemRequests::RenderImGuiBuffersToCurrentViewport, drawData);
}
void ImguiAtomSystemComponent::OnRenderTick()
{
#if defined(IMGUI_ENABLED)
ImGui::ImGuiManagerListenerBus::Broadcast(&ImGui::IImGuiManagerListener::Render);
#endif
}
void ImguiAtomSystemComponent::OnViewportSizeChanged(AzFramework::WindowSize size)
{
#if defined(IMGUI_ENABLED)
ImGui::ImGuiManagerListenerBus::Broadcast(&ImGui::IImGuiManagerListener::SetImGuiRenderResolution, ImVec2{aznumeric_cast<float>(size.m_width), aznumeric_cast<float>(size.m_height)});
#endif
}
}
}