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134 lines
5.2 KiB
C++
134 lines
5.2 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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#include <Editor/Source/ComponentModes/Joints/JointsSubComponentModeLinearFloat.h>
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#include <AzCore/Component/ComponentBus.h>
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#include <AzCore/Math/Transform.h>
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#include <AzCore/Math/Vector3.h>
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#include <AzCore/Memory/SystemAllocator.h>
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#include <AzToolsFramework/Manipulators/LinearManipulator.h>
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#include <AzToolsFramework/Manipulators/ManipulatorManager.h>
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#include <Editor/Source/ComponentModes/Joints/JointsComponentModeCommon.h>
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#include <PhysX/EditorJointBus.h>
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#include <Source/Utils.h>
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namespace PhysX
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{
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AZ_CLASS_ALLOCATOR_IMPL(JointsSubComponentModeLinearFloat, AZ::SystemAllocator, 0);
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JointsSubComponentModeLinearFloat::JointsSubComponentModeLinearFloat(
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const AZStd::string& propertyName, float exponent, float max, float min)
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: m_propertyName(propertyName)
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, m_exponent(exponent)
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, m_inverseExponent(1.0f / exponent)
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, m_max(max)
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, m_min(min)
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{
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}
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void JointsSubComponentModeLinearFloat::Setup(const AZ::EntityComponentIdPair& idPair)
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{
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EditorJointRequestBus::EventResult(m_resetValue, idPair, &EditorJointRequests::GetLinearValue, m_propertyName);
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const AZ::Transform worldTransform = PhysX::Utils::GetEntityWorldTransformWithoutScale(idPair.GetEntityId());
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AZ::Transform localTransform = AZ::Transform::CreateIdentity();
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EditorJointRequestBus::EventResult(
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localTransform, idPair, &EditorJointRequests::GetTransformValue, JointsComponentModeCommon::ParamaterNames::Transform);
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m_manipulator = AzToolsFramework::LinearManipulator::MakeShared(worldTransform);
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m_manipulator->AddEntityComponentIdPair(idPair);
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m_manipulator->SetAxis(AZ::Vector3::CreateAxisX());
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m_manipulator->SetLocalTransform(localTransform);
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Refresh(idPair);
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const AZ::Color manipulatorColor(0.3f, 0.3f, 0.3f, 1.0f);
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const float manipulatorSize = 0.05f;
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AzToolsFramework::ManipulatorViews views;
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views.emplace_back(AzToolsFramework::CreateManipulatorViewQuadBillboard(manipulatorColor, manipulatorSize));
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m_manipulator->SetViews(AZStd::move(views));
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struct SharedState
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{
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float m_startingValue = 0.0f;
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};
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auto sharedState = AZStd::make_shared<SharedState>();
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m_manipulator->InstallLeftMouseDownCallback(
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[this, sharedState, idPair]([[maybe_unused]]const AzToolsFramework::LinearManipulator::Action& action) mutable
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{
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float currentValue = 0.0f;
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EditorJointRequestBus::EventResult(currentValue, idPair, &EditorJointRequests::GetLinearValue, m_propertyName);
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sharedState->m_startingValue = currentValue;
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});
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m_manipulator->InstallMouseMoveCallback(
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[this, sharedState, idPair](const AzToolsFramework::LinearManipulator::Action& action)
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{
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const float axisDisplacement = action.LocalPositionOffset().Dot(action.m_fixed.m_axis);
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float newValue = AZ::GetClamp(sharedState->m_startingValue + DisplacementToDeltaValue(axisDisplacement), m_min, m_max);
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EditorJointRequestBus::Event(idPair, &EditorJointRequests::SetLinearValue, m_propertyName, newValue);
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const AZ::Vector3 localPosition = action.LocalPosition().GetMax(AZ::Vector3(0.01f, 0.0f, 0.0f));
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m_manipulator->SetLocalTransform(AZ::Transform::CreateTranslation(localPosition));
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});
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m_manipulator->Register(AzToolsFramework::g_mainManipulatorManagerId);
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}
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void JointsSubComponentModeLinearFloat::Refresh(const AZ::EntityComponentIdPair& idPair)
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{
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float currentValue = 0.0f;
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EditorJointRequestBus::EventResult(currentValue, idPair, &EditorJointRequests::GetLinearValue, m_propertyName);
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m_manipulator->SetLocalTransform(AZ::Transform::CreateTranslation(AZ::Vector3::CreateAxisX() * ValueToDisplacement(currentValue)));
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}
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void JointsSubComponentModeLinearFloat::Teardown(const AZ::EntityComponentIdPair& idPair)
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{
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m_manipulator->RemoveEntityComponentIdPair(idPair);
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m_manipulator->Unregister();
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m_manipulator.reset();
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}
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void JointsSubComponentModeLinearFloat::ResetValues(const AZ::EntityComponentIdPair& idPair)
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{
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EditorJointRequestBus::Event(idPair, &EditorJointRequests::SetLinearValue, m_propertyName, m_resetValue);
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m_manipulator->SetLocalTransform(AZ::Transform::CreateTranslation(AZ::Vector3::CreateAxisX() * ValueToDisplacement(m_resetValue)));
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}
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float JointsSubComponentModeLinearFloat::DisplacementToDeltaValue(float displacement) const
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{
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if (displacement > 0.0f)
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{
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return AZStd::pow(displacement, m_exponent);
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}
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else if (displacement < 0.0f)
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{
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return -AZStd::pow(fabsf(displacement), m_exponent);
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}
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else
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{
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return 0.0f;
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}
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}
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float JointsSubComponentModeLinearFloat::ValueToDisplacement(float value) const
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{
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return AZStd::pow(value, m_inverseExponent);
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}
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} // namespace PhysX
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