/*
* 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 <PostProcess/GradientWeightModifier/GradientWeightModifierController.h>

namespace AZ
{
    namespace Render
    {
        void GradientWeightModifierComponentController::Reflect(AZ::ReflectContext* context)
        {
            GradientWeightModifierComponentConfig::Reflect(context);

            if (auto* serializeContext = azrtti_cast<SerializeContext*>(context))
            {
                serializeContext->Class<GradientWeightModifierComponentController>()
                    ->Version(0)
                    ->Field("Configuration", &GradientWeightModifierComponentController::m_configuration);
            }
        }

        void GradientWeightModifierComponentController::GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided)
        {
            provided.push_back(AZ_CRC_CE("PostFXWeightModifierService"));
        }

        void GradientWeightModifierComponentController::GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible)
        {
            incompatible.push_back(AZ_CRC_CE("PostFXWeightModifierService"));
        }

        void GradientWeightModifierComponentController::GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& required)
        {
            required.push_back(AZ_CRC_CE("PostFXLayerService"));
        }

        GradientWeightModifierComponentController::GradientWeightModifierComponentController(const GradientWeightModifierComponentConfig& config)
            : m_configuration(config)
        {

        }

        void GradientWeightModifierComponentController::Activate(EntityId entityId)
        {
            m_entityId = entityId;
            m_configuration.m_gradientSampler.m_ownerEntityId = entityId;

            PostFxWeightRequestBus::Handler::BusConnect(m_entityId);
        }

        void GradientWeightModifierComponentController::Deactivate()
        {
            PostFxWeightRequestBus::Handler::BusDisconnect(m_entityId);

            m_entityId.SetInvalid();
        }

        void GradientWeightModifierComponentController::SetConfiguration(const GradientWeightModifierComponentConfig& config)
        {
            m_configuration = config;
        }

        float GradientWeightModifierComponentController::GetWeightAtPosition(const AZ::Vector3& influencerPosition) const
        {
            return m_configuration.m_gradientSampler.GetValue(influencerPosition);
        }
    }
}