99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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#include "NavModifierVolume.h"
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#include "NavigationSettings.h"
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#include "NavMeshBuilder.h"
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#include "Engine/Level/Scene/Scene.h"
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#include "Engine/Serialization/Serialization.h"
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#if USE_EDITOR
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#include "Editor/Editor.h"
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#include "Editor/Managed/ManagedEditor.h"
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#endif
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NavModifierVolume::NavModifierVolume(const SpawnParams& params)
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: BoxVolume(params)
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{
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_size = 100.0f;
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}
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NavAreaProperties* NavModifierVolume::GetNavArea() const
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{
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auto settings = NavigationSettings::Get();
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for (auto& navArea : settings->NavAreas)
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{
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if (navArea.Name == AreaName)
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return &navArea;
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}
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return nullptr;
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}
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void NavModifierVolume::Serialize(SerializeStream& stream, const void* otherObj)
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{
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// Base
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BoxVolume::Serialize(stream, otherObj);
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SERIALIZE_GET_OTHER_OBJ(NavModifierVolume);
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SERIALIZE_MEMBER(AgentsMask, AgentsMask.Mask);
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SERIALIZE(AreaName);
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}
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void NavModifierVolume::Deserialize(DeserializeStream& stream, ISerializeModifier* modifier)
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{
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// Base
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BoxVolume::Deserialize(stream, modifier);
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DESERIALIZE_MEMBER(AgentsMask, AgentsMask.Mask);
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DESERIALIZE(AreaName);
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}
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void NavModifierVolume::OnEnable()
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{
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GetScene()->Navigation.Actors.Add(this);
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BoxVolume::OnEnable();
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}
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void NavModifierVolume::OnDisable()
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{
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BoxVolume::OnDisable();
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GetScene()->Navigation.Actors.Remove(this);
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}
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void NavModifierVolume::OnBoundsChanged(const BoundingBox& prevBounds)
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{
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#if COMPILE_WITH_NAV_MESH_BUILDER
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// Auto-rebuild modified navmesh area
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if (
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IsDuringPlay() && IsActiveInHierarchy() && HasStaticFlag(StaticFlags::Navigation) &&
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(
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// Build at runtime for dynamic modifiers
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!HasStaticFlag(StaticFlags::Transform)
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#if USE_EDITOR
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// Build in editor when using auto-rebuild option
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|| (!Editor::IsPlayMode && Editor::Managed->CanAutoBuildNavMesh())
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#endif
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))
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{
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BoundingBox dirtyBounds;
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BoundingBox::Merge(prevBounds, _box, dirtyBounds);
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#if USE_EDITOR
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const float timeoutMs = ManagedEditor::ManagedEditorOptions.AutoRebuildNavMeshTimeoutMs;
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#else
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const float timeoutMs = 0.0f;
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#endif
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NavMeshBuilder::Build(GetScene(), dirtyBounds, timeoutMs);
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}
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#endif
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}
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#if USE_EDITOR
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Color NavModifierVolume::GetWiresColor()
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{
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return Color::Red;
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}
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#endif
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