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44 lines
2.1 KiB
C++
44 lines
2.1 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project. 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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#include "OffsetCameraPosition.h"
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#include <AzCore/Serialization/SerializeContext.h>
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#include <AzCore/Serialization/EditContext.h>
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namespace Camera
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{
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void OffsetCameraPosition::Reflect(AZ::ReflectContext* reflection)
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{
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AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(reflection);
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if (serializeContext)
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{
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serializeContext->Class<OffsetCameraPosition>()
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->Version(1)
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->Field("Offset", &OffsetCameraPosition::m_offset)
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->Field("Is Offset Relative", &OffsetCameraPosition::m_isRelativeOffset);
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AZ::EditContext* editContext = serializeContext->GetEditContext();
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if (editContext)
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{
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editContext->Class<OffsetCameraPosition>("Offset Position", "Offset the Camera's position")
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->ClassElement(AZ::Edit::ClassElements::EditorData, "")
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->DataElement(0, &OffsetCameraPosition::m_offset, "Offset", "The displacement you wish to move the Camera by")
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->Attribute(AZ::Edit::Attributes::Suffix, "m")
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->DataElement(0, &OffsetCameraPosition::m_isRelativeOffset, "Is Offset Relative", "If yes then the displacement will occur from the perspective of the camera");
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}
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}
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}
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void OffsetCameraPosition::AdjustCameraTransform([[maybe_unused]] float deltaTime, [[maybe_unused]] const AZ::Transform& initialCameraTransform, const AZ::Transform& targetTransform, AZ::Transform& inOutCameraTransform)
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{
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AZ::Vector3 currentPosition = targetTransform.GetTranslation();
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inOutCameraTransform.SetTranslation(AZ::Vector3::CreateZero());
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AZ::Transform rotation = m_isRelativeOffset ? inOutCameraTransform : AZ::Transform::CreateIdentity();
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inOutCameraTransform.SetTranslation(currentPosition + rotation.TransformPoint(m_offset));
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}
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} //namespace Camera
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