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108 lines
4.0 KiB
C++
108 lines
4.0 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 "NavigationSystemComponent.h"
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#include <AzCore/RTTI/BehaviorContext.h>
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#include <AzCore/Serialization/SerializeContext.h>
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#include <AzCore/Memory/SystemAllocator.h>
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// AZ to LY conversion
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#include <MathConversion.h>
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// for INavigationSystem access
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#include <ISystem.h>
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#include <INavigationSystem.h>
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namespace LmbrCentral
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{
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AZ_CLASS_ALLOCATOR_IMPL(NavRayCastResult, AZ::SystemAllocator, 0)
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void NavigationSystemComponent::Reflect(AZ::ReflectContext* context)
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{
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if (AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
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{
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serializeContext->Class<NavigationSystemComponent, Component>()
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->Version(1)
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;
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serializeContext->Class<NavRayCastResult>()
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->Version(1)
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->Field("collision", &NavRayCastResult::m_collision)
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->Field("position", &NavRayCastResult::m_position)
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->Field("meshId", &NavRayCastResult::m_meshId)
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;
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}
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if (AZ::BehaviorContext* behaviorContext = azrtti_cast<AZ::BehaviorContext*>(context))
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{
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// RayCastWorld return type
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behaviorContext->Class<NavRayCastResult>()
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->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
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->Property("collision", BehaviorValueGetter(&NavRayCastResult::m_collision), nullptr)
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->Property("position", BehaviorValueGetter(&NavRayCastResult::m_position), nullptr)
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->Property("meshId", BehaviorValueGetter(&NavRayCastResult::m_meshId), nullptr)
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;
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behaviorContext->EBus<NavigationSystemRequestBus>("NavigationSystemRequestBus")
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->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
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->Event("RayCast", &NavigationSystemRequestBus::Events::RayCast)
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;
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}
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}
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void NavigationSystemComponent::Activate()
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{
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// start listening for for OnCrySystemInitialized call
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CrySystemEventBus::Handler::BusConnect();
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}
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void NavigationSystemComponent::Deactivate()
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{
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// disconnect the bus here, in case it hasn't already been disconnected in OnCrySystemShutdown
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NavigationSystemRequestBus::Handler::BusDisconnect();
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// disconnect here even if we haven't received OnCrySystemShutdown
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CrySystemEventBus::Handler::BusDisconnect();
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}
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NavRayCastResult NavigationSystemComponent::RayCast(const AZ::Vector3& begin, const AZ::Vector3& direction, float maxDistance)
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{
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NavRayCastResult result;
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// Convert to Cry
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const Vec3 LYstart = AZVec3ToLYVec3(begin);
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const Vec3 LYend = AZVec3ToLYVec3(begin + (direction * maxDistance));
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const INavigationSystem* navigationSystem = nullptr; // INavigationSystem will be converted to an AZInterface (LY-111343)
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if (navigationSystem)
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{
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// perform raycast
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const std::tuple<bool, NavigationMeshID, Vec3> LYResult = navigationSystem->RaycastWorld(LYstart, LYend);
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// translate result
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result.m_collision = std::get<0>(LYResult);
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result.m_meshId = std::get<1>(LYResult);
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result.m_position = LYVec3ToAZVec3(std::get<2>(LYResult));
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}
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return result;
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}
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void NavigationSystemComponent::OnCrySystemInitialized([[maybe_unused]] ISystem& system, const SSystemInitParams&)
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{
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NavigationSystemRequestBus::Handler::BusConnect();
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}
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void NavigationSystemComponent::OnCrySystemShutdown([[maybe_unused]] ISystem& system)
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{
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// disconnect the bus here, in case it hasn't already been disconnected from Deactivate
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NavigationSystemRequestBus::Handler::BusDisconnect();
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}
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} // namespace LmbrCentral
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