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122 lines
5.3 KiB
C++
122 lines
5.3 KiB
C++
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/*
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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 <Editor/EditorJointComponentMode.h>
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#include <Editor/EditorSubComponentModeSnapRotation.h>
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#include <PhysX/EditorJointBus.h>
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#include <AzCore/Component/TransformBus.h>
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#include <AzCore/Math/Color.h>
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#include <AzToolsFramework/Manipulators/LinearManipulator.h>
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#include <AzToolsFramework/Manipulators/ManipulatorManager.h>
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namespace PhysX
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{
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EditorSubComponentModeSnapRotation::EditorSubComponentModeSnapRotation(
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const AZ::EntityComponentIdPair& entityComponentIdPair
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, const AZ::Uuid& componentType
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, const AZStd::string& name)
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: EditorSubComponentModeSnap(entityComponentIdPair, componentType, name)
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{
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InitMouseDownCallBack();
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m_manipulator->Register(AzToolsFramework::g_mainManipulatorManagerId);
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AzFramework::EntityDebugDisplayEventBus::Handler::BusConnect(m_entityComponentId.GetEntityId());
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}
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EditorSubComponentModeSnapRotation::~EditorSubComponentModeSnapRotation()
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{
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AzFramework::EntityDebugDisplayEventBus::Handler::BusDisconnect();
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m_manipulator->Unregister();
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}
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void EditorSubComponentModeSnapRotation::DisplaySpecificSnapType(
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[[maybe_unused]] const AzFramework::ViewportInfo& viewportInfo,
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AzFramework::DebugDisplayRequests& debugDisplay,
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const AZ::Vector3& jointPosition,
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const AZ::Vector3& snapDirection,
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const float snapLength)
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{
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const float circleRadius = 0.5f;
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const float iconGap = 1.0f;
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const AZ::Vector3 iconPosition = jointPosition +
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(snapDirection * (snapLength + circleRadius * 2.0f + iconGap));
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debugDisplay.SetColor(AZ::Colors::Red);
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debugDisplay.DrawCircle(iconPosition, circleRadius, 0);
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debugDisplay.SetColor(AZ::Colors::Green);
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debugDisplay.DrawCircle(iconPosition, circleRadius, 1);
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debugDisplay.SetColor(AZ::Colors::Blue);
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debugDisplay.DrawCircle(iconPosition, circleRadius, 2);
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}
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void EditorSubComponentModeSnapRotation::InitMouseDownCallBack()
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{
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m_manipulator->InstallLeftMouseDownCallback(
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[this]([[maybe_unused]] const AzToolsFramework::LinearManipulator::Action& action) mutable
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{
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if (!m_pickedEntity.IsValid())
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{
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return;
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}
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AZ::EntityId leadEntityId;
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PhysX::EditorJointRequestBus::EventResult(leadEntityId,
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m_entityComponentId,
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&PhysX::EditorJointRequests::GetEntityIdValue,
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PhysX::EditorJointComponentMode::s_parameterLeadEntity);
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if (leadEntityId.IsValid() && m_pickedEntity == leadEntityId)
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{
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AZ_Warning("EditorsubComponentModeSnapRotation",
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false,
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"The entity %s is the lead of the joint. Please snap rotation (or orientation) of joint to another entity that is not the lead entity.",
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GetPickedEntityName().c_str());
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return;
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}
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AZ::Transform worldTransform = AZ::Transform::CreateIdentity();
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AZ::TransformBus::EventResult(
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worldTransform, m_entityComponentId.GetEntityId(), &AZ::TransformInterface::GetWorldTM);
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worldTransform.ExtractUniformScale();
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AZ::Transform localTransform = AZ::Transform::CreateIdentity();
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EditorJointRequestBus::EventResult(
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localTransform, m_entityComponentId
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, &EditorJointRequests::GetTransformValue
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, PhysX::EditorJointComponentMode::s_parameterTransform);
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AZ::Transform pickedEntityTransform = AZ::Transform::CreateIdentity();
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AZ::TransformBus::EventResult(
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pickedEntityTransform, m_pickedEntity, &AZ::TransformInterface::GetWorldTM);
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const AZ::Transform worldTransformInv = worldTransform.GetInverse();
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const AZ::Vector3 pickedLocalPosition = worldTransformInv.TransformVector(pickedEntityTransform.GetTranslation()) - localTransform.GetTranslation();
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if (abs(pickedLocalPosition.GetLength()) < FLT_EPSILON)
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{
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AZ_Warning("EditorsubComponentModeSnapRotation",
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false,
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"The entity %s is too close to the joint position. Please snap rotation to an entity that is not at the position of the joint.",
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GetPickedEntityName().c_str());
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return;
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}
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const AZ::Vector3 targetDirection = pickedLocalPosition.GetNormalized();
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const AZ::Vector3 sourceDirection = AZ::Vector3::CreateAxisX();
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const AZ::Quaternion newLocalRotation = AZ::Quaternion::CreateShortestArc(sourceDirection, targetDirection);
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PhysX::EditorJointRequestBus::Event(m_entityComponentId
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, &PhysX::EditorJointRequests::SetVector3Value
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, PhysX::EditorJointComponentMode::s_parameterRotation //using rotation parameter name to set the local rotation value
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, newLocalRotation.GetEulerDegrees());
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m_manipulator->SetBoundsDirty();
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});
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}
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} // namespace PhysX
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