Files
aris theophanidis 0a00ff499f Addition of a boolean to track if a navmesh has been loaded without it's tiles and update the display so it shows as needs to be rebuilt.
Addition of a "Navmesh needs to be rebuilt" message to the navigation display since the stat display is not always enabled.
#jira UE-222796
#rb Yoan.StAmant

[CL 36753292 by aris theophanidis in 5.5 branch]
2024-10-01 18:49:25 -04:00

1917 lines
72 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
/*=============================================================================
NavMeshRenderingComponent.cpp: A component that renders a navmesh.
=============================================================================*/
#include "NavMesh/NavMeshRenderingComponent.h"
#include "NavigationSystem.h"
#include "Engine/GameViewportClient.h"
#include "Engine/Canvas.h"
#include "Engine/Engine.h"
#include "Materials/MaterialRenderProxy.h"
#include "NavigationOctree.h"
#include "NavMesh/RecastHelpers.h"
#include "NavMesh/RecastNavMesh.h"
#include "NavMesh/RecastNavMeshGenerator.h"
#include "Debug/DebugDrawService.h"
#include "SceneInterface.h"
#include "SceneManagement.h"
#include "TimerManager.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(NavMeshRenderingComponent)
#if RECAST_INTERNAL_DEBUG_DATA
#include "NavMesh/RecastInternalDebugData.h"
#endif
#if WITH_EDITOR
#include "Editor.h"
#include "EditorViewportClient.h"
#endif
static constexpr FColor NavMeshRenderColor_Recast_TriangleEdges(255, 255, 255);
static constexpr FColor NavMeshRenderColor_Recast_TileEdges(16, 16, 16, 32);
static constexpr FColor NavMeshRenderColor_RecastMesh(140, 255, 0, 164);
static constexpr FColor NavMeshRenderColor_TileBounds(255, 255, 64, 255);
static constexpr FColor NavMeshRenderColor_PathCollidingGeom(255, 255, 255, 40);
static constexpr FColor NavMeshRenderColor_RecastTileBeingRebuilt(255, 0, 0, 64);
static constexpr FColor NavMeshRenderColor_OffMeshConnectionInvalid(64, 64, 64);
static const FColor NavMeshRenderColor_PolyForbidden(FColorList::Black);
static constexpr float DefaultEdges_LineThickness = 0.0f;
static constexpr float TileResolution_LineThickness = 5.f;
static constexpr float PolyEdges_LineThickness = 1.1f;
static constexpr float NavMeshEdges_LineThickness = 4.f;
static constexpr float LinkLines_LineThickness = 2.0f;
static constexpr float GeneratedLinkLines_LineThickness = 4.0f;
static constexpr float ClusterLinkLines_LineThickness = 2.0f;
namespace FNavMeshRenderingHelpers
{
void DrawDebugBox(FPrimitiveDrawInterface* PDI, FVector const& Center, FVector const& Box, FColor const& Color)
{
// no debug line drawing on dedicated server
if (PDI != nullptr)
{
PDI->DrawLine(Center + FVector(Box.X, Box.Y, Box.Z), Center + FVector(Box.X, -Box.Y, Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(Box.X, -Box.Y, Box.Z), Center + FVector(-Box.X, -Box.Y, Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(-Box.X, -Box.Y, Box.Z), Center + FVector(-Box.X, Box.Y, Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(-Box.X, Box.Y, Box.Z), Center + FVector(Box.X, Box.Y, Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(Box.X, Box.Y, -Box.Z), Center + FVector(Box.X, -Box.Y, -Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(Box.X, -Box.Y, -Box.Z), Center + FVector(-Box.X, -Box.Y, -Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(-Box.X, -Box.Y, -Box.Z), Center + FVector(-Box.X, Box.Y, -Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(-Box.X, Box.Y, -Box.Z), Center + FVector(Box.X, Box.Y, -Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(Box.X, Box.Y, Box.Z), Center + FVector(Box.X, Box.Y, -Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(Box.X, -Box.Y, Box.Z), Center + FVector(Box.X, -Box.Y, -Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(-Box.X, -Box.Y, Box.Z), Center + FVector(-Box.X, -Box.Y, -Box.Z), Color, SDPG_World);
PDI->DrawLine(Center + FVector(-Box.X, Box.Y, Box.Z), Center + FVector(-Box.X, Box.Y, -Box.Z), Color, SDPG_World);
}
}
bool LineInView(const FVector& Start, const FVector& End, const FSceneView* View)
{
if (FVector::DistSquaredXY(Start, View->ViewMatrices.GetViewOrigin()) > ARecastNavMesh::GetDrawDistanceSq() ||
FVector::DistSquaredXY(End, View->ViewMatrices.GetViewOrigin()) > ARecastNavMesh::GetDrawDistanceSq())
{
return false;
}
for (int32 PlaneIdx = 0; PlaneIdx < View->ViewFrustum.Planes.Num(); ++PlaneIdx)
{
const FPlane& CurPlane = View->ViewFrustum.Planes[PlaneIdx];
if (CurPlane.PlaneDot(Start) > 0.f && CurPlane.PlaneDot(End) > 0.f)
{
return false;
}
}
return true;
}
bool PointInView(const FVector& Position, const FSceneView* View)
{
if (FVector::DistSquaredXY(Position, View->ViewMatrices.GetViewOrigin()) > ARecastNavMesh::GetDrawDistanceSq())
{
return false;
}
for (int32 PlaneIdx = 0; PlaneIdx < View->ViewFrustum.Planes.Num(); ++PlaneIdx)
{
const FPlane& CurPlane = View->ViewFrustum.Planes[PlaneIdx];
if (CurPlane.PlaneDot(Position) > 0.f)
{
return false;
}
}
return true;
}
bool LineInCorrectDistance(const FVector& Start, const FVector& End, const FSceneView* View, FVector::FReal CorrectDistance = -1.)
{
const FVector::FReal MaxDistanceSq = (CorrectDistance > 0.) ? FMath::Square(CorrectDistance) : ARecastNavMesh::GetDrawDistanceSq();
return FVector::DistSquaredXY(Start, View->ViewMatrices.GetViewOrigin()) < MaxDistanceSq &&
FVector::DistSquaredXY(End, View->ViewMatrices.GetViewOrigin()) < MaxDistanceSq;
}
FVector EvalArc(const FVector& Org, const FVector& Dir, const FVector::FReal h, const FVector::FReal u)
{
FVector Pt = Org + Dir * u;
Pt.Z += h * (1 - (u * 2 - 1)*(u * 2 - 1));
return Pt;
}
void CacheArc(TArray<FDebugRenderSceneProxy::FDebugLine>& DebugLines, const FVector& Start, const FVector& End, const FVector::FReal Height, const uint32 Segments, const FLinearColor& Color, float LineThickness = 0)
{
if (Segments == 0)
{
return;
}
const FVector::FReal ArcPtsScale = 1. / (FVector::FReal)Segments;
const FVector Dir = End - Start;
const FVector::FReal Length = Dir.Size();
FVector Prev = Start;
for (uint32 i = 1; i <= Segments; ++i)
{
const FVector::FReal u = (FVector::FReal)i * ArcPtsScale;
const FVector Pt = EvalArc(Start, Dir, Length*Height, u);
DebugLines.Add(FDebugRenderSceneProxy::FDebugLine(Prev, Pt, Color.ToFColor(true), LineThickness));
Prev = Pt;
}
}
void CacheArrowHead(TArray<FDebugRenderSceneProxy::FDebugLine>& DebugLines, const FVector& Tip, const FVector& Origin, const FVector::FReal Size, const FLinearColor& Color, float LineThickness = 0)
{
const FVector Az(0.0, 1.0, 0.0);
const FVector Ay = (Origin - Tip).GetSafeNormal();
const FVector Ax = FVector::CrossProduct(Az, Ay);
DebugLines.Add(FDebugRenderSceneProxy::FDebugLine(Tip, FVector(Tip.X + Ay.X*Size + Ax.X*Size / 3, Tip.Y + Ay.Y*Size + Ax.Y*Size / 3, Tip.Z + Ay.Z*Size + Ax.Z*Size / 3), Color.ToFColor(true), LineThickness));
DebugLines.Add(FDebugRenderSceneProxy::FDebugLine(Tip, FVector(Tip.X + Ay.X*Size - Ax.X*Size / 3, Tip.Y + Ay.Y*Size - Ax.Y*Size / 3, Tip.Z + Ay.Z*Size - Ax.Z*Size / 3), Color.ToFColor(true), LineThickness));
}
void CacheLink(TArray<FDebugRenderSceneProxy::FDebugLine>& DebugLines, const FVector V0, const FVector V1, const FColor LinkColor, const uint8 LinkDirection, const bool bIsGenerated)
{
const float LineThickness = bIsGenerated ? GeneratedLinkLines_LineThickness : LinkLines_LineThickness;
FNavMeshRenderingHelpers::CacheArc(DebugLines, V0, V1, 0.4f, 4, LinkColor, LineThickness);
const FVector VOffset(0, 0, FVector::Dist(V0, V1) * 1.333f);
FNavMeshRenderingHelpers::CacheArrowHead(DebugLines, V1, V0 + VOffset, 30.f, LinkColor, LineThickness);
if (LinkDirection)
{
FNavMeshRenderingHelpers::CacheArrowHead(DebugLines, V0, V1 + VOffset, 30.f, LinkColor, LineThickness);
}
}
void DrawWireCylinder(TArray<FDebugRenderSceneProxy::FDebugLine>& DebugLines, const FVector& Base, const FVector& X, const FVector& Y, const FVector& Z, FColor Color, FVector::FReal Radius, FVector::FReal HalfHeight, int32 NumSides, uint8 DepthPriority, float LineThickness = 0)
{
const FVector::FReal AngleDelta = 2.0 * PI / static_cast<FVector::FReal>(NumSides);
FVector LastVertex = Base + X * Radius;
for (int32 SideIndex = 0; SideIndex < NumSides; SideIndex++)
{
const FVector Vertex = Base +
(X * FMath::Cos(AngleDelta * static_cast<FVector::FReal>(SideIndex + 1)) + Y * FMath::Sin(AngleDelta * static_cast<FVector::FReal>(SideIndex + 1))) * Radius;
DebugLines.Add(FDebugRenderSceneProxy::FDebugLine(LastVertex - Z * HalfHeight, Vertex - Z * HalfHeight, Color));
DebugLines.Add(FDebugRenderSceneProxy::FDebugLine(LastVertex + Z * HalfHeight, Vertex + Z * HalfHeight, Color));
DebugLines.Add(FDebugRenderSceneProxy::FDebugLine(LastVertex - Z * HalfHeight, LastVertex + Z * HalfHeight, Color));
LastVertex = Vertex;
}
}
inline uint8 GetBit(int32 v, uint8 bit)
{
return static_cast<uint8>((v & (1 << bit)) >> bit);
}
FColor GetClusterColor(int32 Idx)
{
const uint8 r = 1 + GetBit(Idx, 1) + GetBit(Idx, 3) * 2;
const uint8 g = 1 + GetBit(Idx, 2) + GetBit(Idx, 4) * 2;
const uint8 b = 1 + GetBit(Idx, 0) + GetBit(Idx, 5) * 2;
return FColor(r * 63, g * 63, b * 63, 164);
}
FColor DarkenColor(const FColor& Base)
{
const uint32 Col = Base.DWColor();
return FColor(((Col >> 1) & 0x007f7f7f) | (Col & 0xff000000));
}
FColor SemiDarkenColor(const FColor& Base)
{
const uint32 Col = Base.DWColor();
// 1/2 can be too dark(DarkenColor) - use 3/4 here.
const uint32 QuarterCol = ((Col >> 2) & 0x003f3f3f);
const uint32 HalfCol = ((Col >> 1) & 0x007f7f7f);
const uint32 ThreeQuarterCol = QuarterCol + HalfCol;
return FColor(ThreeQuarterCol | (Col & 0xff000000));
}
void AddVertex(FNavMeshSceneProxyData::FDebugMeshData& MeshData, const FVector& Pos, const FColor Color)
{
FDynamicMeshVertex* Vertex = new(MeshData.Vertices) FDynamicMeshVertex;
Vertex->Position = (FVector3f)Pos;
Vertex->TextureCoordinate[0] = FVector2f::ZeroVector;
Vertex->TangentX = FVector(1.0f, 0.0f, 0.0f);
Vertex->TangentZ = FVector(0.0f, 1.0f, 0.0f);
// store the sign of the determinant in TangentZ.W (-1=-128,+1=127)
Vertex->TangentZ.Vector.W = 127;
Vertex->Color = Color;
}
void AddTriangleIndices(FNavMeshSceneProxyData::FDebugMeshData& MeshData, int32 V0, int32 V1, int32 V2)
{
MeshData.Indices.Add(V0);
MeshData.Indices.Add(V1);
MeshData.Indices.Add(V2);
}
void AddCluster(TArray<FNavMeshSceneProxyData::FDebugMeshData>& MeshBuilders, const TArray<int32>& MeshIndices, const TArray<FVector>& MeshVerts, const FColor Color, const FVector DrawOffset)
{
if (MeshIndices.Num() == 0)
{
return;
}
FNavMeshSceneProxyData::FDebugMeshData DebugMeshData;
for (int32 VertIdx = 0; VertIdx < MeshVerts.Num(); ++VertIdx)
{
FNavMeshRenderingHelpers::AddVertex(DebugMeshData, MeshVerts[VertIdx] + DrawOffset, Color);
}
for (int32 TriIdx = 0; TriIdx < MeshIndices.Num(); TriIdx += 3)
{
FNavMeshRenderingHelpers::AddTriangleIndices(DebugMeshData, MeshIndices[TriIdx], MeshIndices[TriIdx + 1], MeshIndices[TriIdx + 2]);
}
DebugMeshData.ClusterColor = Color;
MeshBuilders.Add(DebugMeshData);
}
void AddRecastGeometry(TArray<FVector>& OutVertexBuffer, TArray<uint32>& OutIndexBuffer, const FVector::FReal* Coords, int32 NumVerts, const int32* Faces, int32 NumFaces, const FTransform& Transform = FTransform::Identity)
{
const int32 VertIndexBase = OutVertexBuffer.Num();
for (int32 VertIdx = 0; VertIdx < NumVerts * 3; VertIdx += 3)
{
OutVertexBuffer.Add(Transform.TransformPosition(Recast2UnrealPoint(&Coords[VertIdx])));
}
const int32 FirstNewFaceVertexIndex = OutIndexBuffer.Num();
const uint32 NumIndices = NumFaces * 3;
OutIndexBuffer.AddUninitialized(NumIndices);
for (uint32 Index = 0; Index < NumIndices; ++Index)
{
OutIndexBuffer[FirstNewFaceVertexIndex + Index] = VertIndexBase + Faces[Index];
}
}
inline bool HasFlag(int32 Flags, ENavMeshDetailFlags TestFlag)
{
return (Flags & (1 << static_cast<int32>(TestFlag))) != 0;
}
#if WITH_RECAST
int32 GetDetailFlags(const ARecastNavMesh* NavMesh)
{
return (NavMesh == nullptr) ? 0 : 0 |
(NavMesh->bDrawTriangleEdges ? (1 << static_cast<int32>(ENavMeshDetailFlags::TriangleEdges)) : 0) |
(NavMesh->bDrawPolyEdges ? (1 << static_cast<int32>(ENavMeshDetailFlags::PolyEdges)) : 0) |
(NavMesh->bDrawFilledPolys ? (1 << static_cast<int32>(ENavMeshDetailFlags::FilledPolys)) : 0) |
(NavMesh->bDrawNavMeshEdges ? (1 << static_cast<int32>(ENavMeshDetailFlags::BoundaryEdges)) : 0) |
(NavMesh->bDrawTileBounds ? (1 << static_cast<int32>(ENavMeshDetailFlags::TileBounds)) : 0) |
(NavMesh->bDrawTileResolutions ? (1 << static_cast<int32>(ENavMeshDetailFlags::TileResolutions)) : 0) |
(NavMesh->bDrawPathCollidingGeometry ? (1 << static_cast<int32>(ENavMeshDetailFlags::PathCollidingGeometry)) : 0) |
(NavMesh->bDrawTileLabels ? (1 << static_cast<int32>(ENavMeshDetailFlags::TileLabels)) : 0) |
(NavMesh->bDrawPolygonLabels ? (1 << static_cast<int32>(ENavMeshDetailFlags::PolygonLabels)) : 0) |
(NavMesh->bDrawDefaultPolygonCost ? (1 << static_cast<int32>(ENavMeshDetailFlags::PolygonCost)) : 0) |
(NavMesh->bDrawPolygonFlags ? (1 << static_cast<int32>(ENavMeshDetailFlags::PolygonFlags)) : 0) |
(NavMesh->bDrawLabelsOnPathNodes ? (1 << static_cast<int32>(ENavMeshDetailFlags::PathLabels)) : 0) |
(NavMesh->bDrawNavLinks ? (1 << static_cast<int32>(ENavMeshDetailFlags::NavLinks)) : 0) |
(NavMesh->bDrawFailedNavLinks ? (1 << static_cast<int32>(ENavMeshDetailFlags::FailedNavLinks)) : 0) |
(NavMesh->bDrawClusters ? (1 << static_cast<int32>(ENavMeshDetailFlags::Clusters)) : 0) |
(NavMesh->bDrawOctree ? (1 << static_cast<int32>(ENavMeshDetailFlags::NavOctree)) : 0) |
(NavMesh->bDrawOctreeDetails ? (1 << static_cast<int32>(ENavMeshDetailFlags::NavOctreeDetails)) : 0) |
(NavMesh->bDrawMarkedForbiddenPolys ? (1 << static_cast<int32>(ENavMeshDetailFlags::MarkForbiddenPolys)) : 0) |
(NavMesh->bDrawTileBuildTimes ? (1 << static_cast<int32>(ENavMeshDetailFlags::TileBuildTimes)) : 0) |
(NavMesh->bDrawTileBuildTimesHeatMap ? (1 << static_cast<int32>(ENavMeshDetailFlags::TileBuildTimesHeatMap)) : 0);
}
#endif // WITH_RECAST
}
//////////////////////////////////////////////////////////////////////////
// FNavMeshSceneProxyData
void FNavMeshSceneProxyData::Reset()
{
MeshBuilders.Reset();
ThickLineItems.Reset();
TileEdgeLines.Reset();
NavMeshEdgeLines.Reset();
NavLinkLines.Reset();
ClusterLinkLines.Reset();
AuxLines.Reset();
AuxPoints.Reset();
AuxBoxes.Reset();
DebugLabels.Reset();
OctreeBounds.Reset();
Bounds.Init();
bNeedsNewData = true;
bDataGathered = false;
NavDetailFlags = 0;
}
void FNavMeshSceneProxyData::Serialize(FArchive& Ar)
{
int32 NumMeshBuilders = MeshBuilders.Num();
Ar << NumMeshBuilders;
if (Ar.IsLoading())
{
MeshBuilders.SetNum(NumMeshBuilders);
}
for (int32 Idx = 0; Idx < NumMeshBuilders; Idx++)
{
FDebugMeshData& MeshBuilder = MeshBuilders[Idx];
int32 NumVerts = MeshBuilder.Vertices.Num();
Ar << NumVerts;
if (Ar.IsLoading())
{
MeshBuilder.Vertices.SetNum(NumVerts);
}
for (int32 VertIdx = 0; VertIdx < NumVerts; VertIdx++)
{
FVector3f SerializedVert = MeshBuilder.Vertices[VertIdx].Position;
Ar << SerializedVert;
if (Ar.IsLoading())
{
MeshBuilder.Vertices[VertIdx] = FDynamicMeshVertex(SerializedVert);
}
}
Ar << MeshBuilder.Indices;
Ar << MeshBuilder.ClusterColor;
}
TArray<FDebugRenderSceneProxy::FDebugLine>* LineArraysToSerialize[] = { &ThickLineItems, &TileEdgeLines, &NavMeshEdgeLines, &NavLinkLines, &ClusterLinkLines, &AuxLines };
for (int32 ArrIdx = 0; ArrIdx < UE_ARRAY_COUNT(LineArraysToSerialize); ArrIdx++)
{
int32 NumItems = LineArraysToSerialize[ArrIdx]->Num();
Ar << NumItems;
if (Ar.IsLoading())
{
LineArraysToSerialize[ArrIdx]->Reset(NumItems);
LineArraysToSerialize[ArrIdx]->AddUninitialized(NumItems);
}
for (int32 Idx = 0; Idx < NumItems; Idx++)
{
Ar << (*LineArraysToSerialize[ArrIdx])[Idx].Thickness;
Ar << (*LineArraysToSerialize[ArrIdx])[Idx].Start;
Ar << (*LineArraysToSerialize[ArrIdx])[Idx].End;
Ar << (*LineArraysToSerialize[ArrIdx])[Idx].Color;
}
}
int32 NumPoints = AuxPoints.Num();
Ar << NumPoints;
if (Ar.IsLoading())
{
FDebugPoint TmpPoint(FVector::ZeroVector, FColor::Black, 0.0f);
AuxPoints.Reserve(NumPoints);
for (int32 Idx = 0; Idx < NumPoints; Idx++)
{
Ar << TmpPoint.Position;
Ar << TmpPoint.Color;
Ar << TmpPoint.Size;
AuxPoints.Add(TmpPoint);
}
}
else
{
for (int32 Idx = 0; Idx < NumPoints; Idx++)
{
Ar << AuxPoints[Idx].Position;
Ar << AuxPoints[Idx].Color;
Ar << AuxPoints[Idx].Size;
}
}
int32 NumBoxes = AuxBoxes.Num();
Ar << NumBoxes;
if (Ar.IsLoading())
{
FDebugRenderSceneProxy::FDebugBox TmpBox = FDebugRenderSceneProxy::FDebugBox(FBox(), FColor());
AuxBoxes.Reserve(NumBoxes);
for (int32 Idx = 0; Idx < NumBoxes; Idx++)
{
Ar << TmpBox.Box;
Ar << TmpBox.Color;
Ar << TmpBox.Transform;
AuxBoxes.Add(TmpBox);
}
}
else
{
for (int32 Idx = 0; Idx < NumBoxes; Idx++)
{
Ar << AuxBoxes[Idx].Box;
Ar << AuxBoxes[Idx].Color;
Ar << AuxBoxes[Idx].Transform;
}
}
int32 NumLabels = DebugLabels.Num();
Ar << NumLabels;
if (Ar.IsLoading())
{
DebugLabels.SetNum(NumLabels);
}
for (int32 Idx = 0; Idx < NumLabels; Idx++)
{
Ar << DebugLabels[Idx].Location;
Ar << DebugLabels[Idx].Text;
}
int32 NumBounds = OctreeBounds.Num();
Ar << NumBounds;
if (Ar.IsLoading())
{
OctreeBounds.SetNum(NumBounds);
}
for (int32 Idx = 0; Idx < NumBounds; Idx++)
{
Ar << OctreeBounds[Idx].Center;
Ar << OctreeBounds[Idx].Extent;
}
Ar << Bounds;
Ar << NavMeshDrawOffset;
Ar << NavDetailFlags;
int32 BitFlags = ((bDataGathered ? 1 : 0) << 0) | ((bNeedsNewData ? 1 : 0) << 1);
Ar << BitFlags;
bDataGathered = (BitFlags & (1 << 0)) != 0;
bNeedsNewData = (BitFlags & (1 << 1)) != 0;
}
uint32 FNavMeshSceneProxyData::GetAllocatedSize() const
{
return IntCastChecked<uint32>(
MeshBuilders.GetAllocatedSize() +
ThickLineItems.GetAllocatedSize() +
TileEdgeLines.GetAllocatedSize() +
NavMeshEdgeLines.GetAllocatedSize() +
NavLinkLines.GetAllocatedSize() +
ClusterLinkLines.GetAllocatedSize() +
AuxLines.GetAllocatedSize() +
AuxPoints.GetAllocatedSize() +
AuxBoxes.GetAllocatedSize() +
DebugLabels.GetAllocatedSize() +
OctreeBounds.GetAllocatedSize());
}
#if WITH_RECAST
// Deprecated
void FNavMeshSceneProxyData::GatherData(const ARecastNavMesh* NavMesh, int32 InNavDetailFlags, const TArray<int32>& TileSet)
{
}
void FNavMeshSceneProxyData::GatherData(const ARecastNavMesh* NavMesh, int32 InNavDetailFlags, const TArray<FNavTileRef>& TileSet)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawingGeometry);
Reset();
NavDetailFlags = InNavDetailFlags;
if (NavMesh && NavDetailFlags)
{
bNeedsNewData = false;
bDataGathered = true;
NavMeshDrawOffset.Z = NavMesh->DrawOffset;
FRecastDebugGeometry NavMeshGeometry;
NavMeshGeometry.bGatherPolyEdges = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::PolyEdges);
NavMeshGeometry.bGatherNavMeshEdges = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::BoundaryEdges);
NavMeshGeometry.bMarkForbiddenPolys = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::MarkForbiddenPolys);
NavMeshGeometry.bGatherTileBuildTimesHeatMap = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::TileBuildTimesHeatMap);
const bool bGatherTileBuildTimes = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::TileBuildTimes);
#if RECAST_INTERNAL_DEBUG_DATA
// Colors for tile build times heat map
auto LerpColor = [](FColor A, FColor B, float T) -> FColor
{
return FColor(
static_cast<uint8>(FMath::RoundToInt(float(A.R) * (1.f - T) + float(B.R) * T)),
static_cast<uint8>(FMath::RoundToInt(float(A.G) * (1.f - T) + float(B.G) * T)),
static_cast<uint8>(FMath::RoundToInt(float(A.B) * (1.f - T) + float(B.B) * T)),
static_cast<uint8>(FMath::RoundToInt(float(A.A) * (1.f - T) + float(B.A) * T)));
};
TArray<FColor> TileBuildTimeColors;
const TMap<FIntPoint, FRecastInternalDebugData>* DebugDataMap = NavMesh->GetDebugDataMap();
double TotalTileBuildTime = 0.;
double AverageBuildTime = 0.;
double AverageCompLayersBuildTime = 0.;
double AverageNavLayersBuildTime = 0.;
double AverageLinkBuildTime = 0.;
double TotalBuildLinkTime = 0.;
if (bGatherTileBuildTimes || NavMeshGeometry.bGatherTileBuildTimesHeatMap)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_MaxTileBuildTime);
// Find min and max tile build time
NavMeshGeometry.MinTileBuildTime = DBL_MAX;
NavMeshGeometry.MaxTileBuildTime = 0.;
if (DebugDataMap)
{
for(const TPair<FIntPoint, FRecastInternalDebugData>& Pair : *DebugDataMap)
{
NavMeshGeometry.MaxTileBuildTime = FMath::Max(NavMeshGeometry.MaxTileBuildTime, Pair.Value.BuildTime);
NavMeshGeometry.MinTileBuildTime = FMath::Min(NavMeshGeometry.MinTileBuildTime, Pair.Value.BuildTime);
AverageBuildTime += Pair.Value.BuildTime;
AverageCompLayersBuildTime += Pair.Value.BuildCompressedLayerTime;
AverageNavLayersBuildTime += Pair.Value.BuildNavigationDataTime;
AverageLinkBuildTime += Pair.Value.BuildLinkTime;
}
}
TotalTileBuildTime = AverageBuildTime;
TotalBuildLinkTime = AverageLinkBuildTime;
if (DebugDataMap->Num() != 0)
{
AverageBuildTime /= DebugDataMap->Num();
AverageCompLayersBuildTime /= DebugDataMap->Num();
AverageNavLayersBuildTime /= DebugDataMap->Num();
AverageLinkBuildTime /= DebugDataMap->Num();
}
}
if(NavMeshGeometry.bGatherTileBuildTimesHeatMap)
{
TileBuildTimeColors.AddDefaulted(FRecastDebugGeometry::BuildTimeBucketsCount);
for (int32 Index = 0; Index < FRecastDebugGeometry::BuildTimeBucketsCount; Index++)
{
const float LerpValue = (float)Index / (FRecastDebugGeometry::BuildTimeBucketsCount-1);
TileBuildTimeColors[Index] = LerpColor(FColor::Blue.WithAlpha(140), FColor::Red.WithAlpha(140), LerpValue);
}
}
#endif // RECAST_INTERNAL_DEBUG_DATA
{
// On screen information
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_2DLabels);
auto GetPartitioningString = [](const ERecastPartitioning::Type Type) -> FString
{
return Type == ERecastPartitioning::Monotone ? TEXT("Monotone") :
Type == ERecastPartitioning::Watershed ? TEXT("Watershed") : Type == ERecastPartitioning::ChunkyMonotone ? TEXT("ChunkyMonotone") : TEXT("Unknown");
};
// Navmesh
const ERuntimeGenerationType Mode = NavMesh->GetRuntimeGenerationMode();
const FString GenerationMode = Mode == ERuntimeGenerationType::Static ? TEXT("Static") :
(Mode == ERuntimeGenerationType::Dynamic ? TEXT("Dynamic") : (Mode == ERuntimeGenerationType::DynamicModifiersOnly ? TEXT("DynamicModifersOnly") : TEXT("Unknown")));
if (NavMesh->NeedsRebuild())
{
DebugLabels.Add(FDebugText(FString::Printf(TEXT("%s"), TEXT("*** NAVMESH NEEDS TO BE REBUILT ***"))));
}
DebugLabels.Add(FDebugText(FString::Printf(TEXT("%s (%s%s)"), *NavMesh->GetName(), NavMesh->bIsWorldPartitioned ? TEXT("WP ") : TEXT(""), *GenerationMode)));
DebugLabels.Add(FDebugText(FString::Printf(TEXT("AgentRadius %0.1f, AgentHeight %0.1f"), NavMesh->AgentRadius, NavMesh->AgentHeight)));
DebugLabels.Add(FDebugText(FString::Printf(
TEXT("CellSizes %0.1f/%0.1f/%0.1f, CellHeights %0.1f/%0.1f/%0.1f, AgentMaxStepHeight %0.1f/%0.1f/%0.1f (low/default/high)"),
NavMesh->GetCellSize(ENavigationDataResolution::Low), NavMesh->GetCellSize(ENavigationDataResolution::Default), NavMesh->GetCellSize(ENavigationDataResolution::High),
NavMesh->GetCellHeight(ENavigationDataResolution::Low), NavMesh->GetCellHeight(ENavigationDataResolution::Default), NavMesh->GetCellHeight(ENavigationDataResolution::High),
NavMesh->GetAgentMaxStepHeight(ENavigationDataResolution::Low), NavMesh->GetAgentMaxStepHeight(ENavigationDataResolution::Default), NavMesh->GetAgentMaxStepHeight(ENavigationDataResolution::High)
)));
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Region part %s, Layer part %s"), *GetPartitioningString(NavMesh->RegionPartitioning), *GetPartitioningString(NavMesh->LayerPartitioning))));
DebugLabels.Add(FDebugText(TEXT(""))); // empty line
if (NavMesh->GetGenerator() && !NavMesh->GetActiveTileSet().IsEmpty())
{
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Active tiles: %i"), NavMesh->GetActiveTileSet().Num())));
}
// Navigation system
if (const UNavigationSystemV1* NavSys = FNavigationSystem::GetCurrent<UNavigationSystemV1>(NavMesh->GetWorld()))
{
DebugLabels.Add(FDebugText(FString::Printf(TEXT("NavData count: %i"), NavSys->NavDataSet.Num())));
DebugLabels.Add(FDebugText(FString::Printf(TEXT("MainNavData: %s"), NavSys->MainNavData ? *NavSys->MainNavData->GetName() : TEXT("none"))));
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Custom NavLinks count: %i"), NavSys->GetNumCustomLinks())));
#if WITH_NAVMESH_CLUSTER_LINKS
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Using cluster links"))));
#endif // WITH_NAVMESH_CLUSTER_LINKS
if (NavSys->IsActiveTilesGenerationEnabled()) // Checks bGenerateNavigationOnlyAroundNavigationInvokers
{
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Invoker Locations: %i"), NavSys->GetInvokerLocations().Num())));
}
const int32 Running = NavSys->GetNumRunningBuildTasks();
const int32 Remaining = NavSys->GetNumRemainingBuildTasks();
if (Running || Remaining)
{
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Tile jobs running/remaining: %6d / %6d"), Running, Remaining)));
}
DebugLabels.Add(FDebugText(TEXT(""))); // empty line
}
#if RECAST_INTERNAL_DEBUG_DATA
// Tile build time statistics
if (bGatherTileBuildTimes || NavMeshGeometry.bGatherTileBuildTimesHeatMap)
{
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Tile count: %i"), DebugDataMap->Num())));
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Avg tile build time: %0.2f ms"), AverageBuildTime*1000.)));
DebugLabels.Add(FDebugText(FString::Printf(TEXT(" Avg comp layers time: %0.2f ms"), AverageCompLayersBuildTime*1000.)));
DebugLabels.Add(FDebugText(FString::Printf(TEXT(" Avg nav layers time: %0.2f ms"), AverageNavLayersBuildTime*1000.)));
DebugLabels.Add(FDebugText(FString::Printf(TEXT(" Avg link build time: %0.2f ms"), AverageLinkBuildTime*1000.)));
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Min: %0.2f ms Max: %0.2f ms"), NavMeshGeometry.MinTileBuildTime*1000., NavMeshGeometry.MaxTileBuildTime*1000.)));
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Total: %0.3f s"), TotalTileBuildTime)));
DebugLabels.Add(FDebugText(FString::Printf(TEXT(" Total link build time: %.4f s"), TotalBuildLinkTime)));
DebugLabels.Add(FDebugText(TEXT(""))); // empty line
const double TileAreaM2 = FMath::Square(NavMesh->TileSizeUU) / 10000.;
const double TotalAreaM2 = DebugDataMap->Num() * TileAreaM2;
const double TimePer100M2Ms = (TotalTileBuildTime / (TotalAreaM2/100.)) * 1000.;
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Time per 100m2: %0.2f ms"), TimePer100M2Ms)));
const double TimePerSqKmS = TotalTileBuildTime / (TotalAreaM2/1000000.);
DebugLabels.Add(FDebugText(FString::Printf(TEXT("Time per km2: %0.3f s"), TimePerSqKmS)));
DebugLabels.Add(FDebugText(TEXT(""))); // empty line
}
#endif // RECAST_INTERNAL_DEBUG_DATA
}
const FNavDataConfig& NavConfig = NavMesh->GetConfig();
TArray<FColor> NavMeshColors;
NavMeshColors.AddDefaulted(RECAST_MAX_AREAS);
for (uint8 Idx = 0; Idx < RECAST_MAX_AREAS; Idx++)
{
NavMeshColors[Idx] = NavMesh->GetAreaIDColor(Idx);
}
NavMeshColors[RECAST_DEFAULT_AREA] = NavConfig.Color.DWColor() > 0 ? NavConfig.Color : NavMeshRenderColor_RecastMesh;
// Just a little trick to make sure navmeshes with different sized are not drawn with same offset.
// When DrawOffset is 0, don't add any offset (usually used to debug navmesh height).
if(NavMesh->DrawOffset != 0.f)
{
NavMeshDrawOffset.Z += NavMesh->GetConfig().AgentRadius / 10.f;
}
NavMesh->BeginBatchQuery();
if (TileSet.Num() > 0)
{
bool bDone = false;
for (int32 Idx = 0; Idx < TileSet.Num() && !bDone; Idx++)
{
bDone = NavMesh->GetDebugGeometryForTile(NavMeshGeometry, TileSet[Idx]);
}
}
else
{
NavMesh->GetDebugGeometryForTile(NavMeshGeometry, FNavTileRef());
}
const TArray<FVector>& MeshVerts = NavMeshGeometry.MeshVerts;
// @fixme, this is going to double up on lots of interior lines
const bool bGatherTriEdges = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::TriangleEdges);
if (bGatherTriEdges)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_GatherTriEdges);
for (int32 AreaIdx = 0; AreaIdx < RECAST_MAX_AREAS; ++AreaIdx)
{
const TArray<int32>& MeshIndices = NavMeshGeometry.AreaIndices[AreaIdx];
for (int32 Idx = 0; Idx < MeshIndices.Num(); Idx += 3)
{
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(MeshVerts[MeshIndices[Idx + 0]] + NavMeshDrawOffset, MeshVerts[MeshIndices[Idx + 1]] + NavMeshDrawOffset, NavMeshRenderColor_Recast_TriangleEdges, DefaultEdges_LineThickness));
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(MeshVerts[MeshIndices[Idx + 1]] + NavMeshDrawOffset, MeshVerts[MeshIndices[Idx + 2]] + NavMeshDrawOffset, NavMeshRenderColor_Recast_TriangleEdges, DefaultEdges_LineThickness));
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(MeshVerts[MeshIndices[Idx + 2]] + NavMeshDrawOffset, MeshVerts[MeshIndices[Idx + 0]] + NavMeshDrawOffset, NavMeshRenderColor_Recast_TriangleEdges, DefaultEdges_LineThickness));
}
}
}
// make lines for tile edges
const bool bGatherPolyEdges = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::PolyEdges);
if (bGatherPolyEdges)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_GatherPolyEdges);
const TArray<FVector>& TileEdgeVerts = NavMeshGeometry.PolyEdges;
for (int32 Idx = 0; Idx < TileEdgeVerts.Num(); Idx += 2)
{
TileEdgeLines.Add(FDebugRenderSceneProxy::FDebugLine(TileEdgeVerts[Idx] + NavMeshDrawOffset, TileEdgeVerts[Idx + 1] + NavMeshDrawOffset, NavMeshRenderColor_Recast_TileEdges));
}
}
// make lines for navmesh edges
const bool bGatherBoundaryEdges = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::BoundaryEdges);
if (bGatherBoundaryEdges)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_GatherBoundaryEdges);
const FColor EdgesColor = FNavMeshRenderingHelpers::DarkenColor(NavMeshColors[RECAST_DEFAULT_AREA]);
const TArray<FVector>& NavMeshEdgeVerts = NavMeshGeometry.NavMeshEdges;
for (int32 Idx = 0; Idx < NavMeshEdgeVerts.Num(); Idx += 2)
{
NavMeshEdgeLines.Add(FDebugRenderSceneProxy::FDebugLine(NavMeshEdgeVerts[Idx] + NavMeshDrawOffset, NavMeshEdgeVerts[Idx + 1] + NavMeshDrawOffset, EdgesColor));
}
}
// offset all navigation-link positions
const bool bGatherNavLinks = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::NavLinks);
const bool bGatherFailedNavLinks = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::FailedNavLinks);
#if WITH_NAVMESH_CLUSTER_LINKS
const bool bGatherClusters = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::Clusters);
if (bGatherClusters == false)
#endif // WITH_NAVMESH_CLUSTER_LINKS
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_OffMeshLinks);
for (int32 OffMeshLineIndex = 0; OffMeshLineIndex < NavMeshGeometry.OffMeshLinks.Num(); ++OffMeshLineIndex)
{
FRecastDebugGeometry::FOffMeshLink& Link = NavMeshGeometry.OffMeshLinks[OffMeshLineIndex];
const bool bLinkValid = (Link.ValidEnds & FRecastDebugGeometry::OMLE_Left) && (Link.ValidEnds & FRecastDebugGeometry::OMLE_Right);
if (bGatherFailedNavLinks || (bGatherNavLinks && bLinkValid))
{
const FVector V0 = Link.Left + NavMeshDrawOffset;
const FVector V1 = Link.Right + NavMeshDrawOffset;
const FColor LinkColor = ((Link.Direction && Link.ValidEnds) || (Link.ValidEnds & FRecastDebugGeometry::OMLE_Left)) ? FNavMeshRenderingHelpers::SemiDarkenColor(NavMeshColors[Link.AreaID]) : NavMeshRenderColor_OffMeshConnectionInvalid;
FNavMeshRenderingHelpers::CacheLink(NavLinkLines, V0, V1, LinkColor, Link.Direction, Link.bIsGenerated);
// if the connection as a whole is valid check if there are any of ends is invalid
if (LinkColor != NavMeshRenderColor_OffMeshConnectionInvalid)
{
if (Link.Direction && (Link.ValidEnds & FRecastDebugGeometry::OMLE_Left) == 0)
{
// left end invalid - mark it
FNavMeshRenderingHelpers::DrawWireCylinder(NavLinkLines, V0, FVector(1, 0, 0), FVector(0, 1, 0), FVector(0, 0, 1), NavMeshRenderColor_OffMeshConnectionInvalid, Link.Radius, NavMesh->GetAgentMaxStepHeight(ENavigationDataResolution::Default), 16, 0, DefaultEdges_LineThickness);
}
if ((Link.ValidEnds & FRecastDebugGeometry::OMLE_Right) == 0)
{
FNavMeshRenderingHelpers::DrawWireCylinder(NavLinkLines, V1, FVector(1, 0, 0), FVector(0, 1, 0), FVector(0, 0, 1), NavMeshRenderColor_OffMeshConnectionInvalid, Link.Radius, NavMesh->GetAgentMaxStepHeight(ENavigationDataResolution::Default), 16, 0, DefaultEdges_LineThickness);
}
}
}
}
if (NavMeshGeometry.bMarkForbiddenPolys)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_MarkForbiddenPolys);
for (int32 OffMeshLineIndex = 0; OffMeshLineIndex < NavMeshGeometry.ForbiddenLinks.Num(); ++OffMeshLineIndex)
{
FRecastDebugGeometry::FOffMeshLink& Link = NavMeshGeometry.ForbiddenLinks[OffMeshLineIndex];
const FVector V0 = Link.Left + NavMeshDrawOffset;
const FVector V1 = Link.Right + NavMeshDrawOffset;
const FColor LinkColor = NavMeshRenderColor_PolyForbidden;
FNavMeshRenderingHelpers::CacheLink(NavLinkLines, V0, V1, LinkColor, Link.Direction, Link.bIsGenerated);
}
}
}
const bool bGatherTileLabels = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::TileLabels);
const bool bGatherTileBounds = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::TileBounds);
const bool bGatherTileResolutions = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::TileResolutions);
const bool bGatherPolygonLabels = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::PolygonLabels);
const bool bGatherPolygonCost = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::PolygonCost);
const bool bGatherPolygonFlags = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::PolygonFlags);
if (bGatherTileLabels || bGatherTileBounds || bGatherTileResolutions || bGatherPolygonLabels || bGatherPolygonCost || bGatherPolygonFlags || bGatherTileBuildTimes)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_TileIterations);
TArray<FNavTileRef> UseTileRefs;
if (TileSet.Num() > 0)
{
UseTileRefs = TileSet;
}
else
{
NavMesh->GetAllNavMeshTiles(UseTileRefs);
}
TMap<FIntPoint, FVector> TileBuildTimeLabelLocations;
// calculate appropriate points for displaying debug labels
DebugLabels.Reserve(UseTileRefs.Num());
for (int32 TileSetIdx = 0; TileSetIdx < UseTileRefs.Num(); TileSetIdx++)
{
const FNavTileRef TileRef = UseTileRefs[TileSetIdx];
int32 X, Y, Layer;
if (NavMesh->GetNavMeshTileXY(TileRef, X, Y, Layer))
{
const FBox TileBoundingBox = NavMesh->GetNavMeshTileBounds(TileRef);
FVector TileLabelLocation = TileBoundingBox.GetCenter();
TileLabelLocation.Z = TileBoundingBox.Max.Z;
FNavLocation NavLocation(TileLabelLocation);
if (!NavMesh->ProjectPoint(TileLabelLocation, NavLocation, FVector(NavMesh->TileSizeUU / 100, NavMesh->TileSizeUU / 100, TileBoundingBox.Max.Z - TileBoundingBox.Min.Z)))
{
NavMesh->ProjectPoint(TileLabelLocation, NavLocation, FVector(NavMesh->TileSizeUU / 2, NavMesh->TileSizeUU / 2, TileBoundingBox.Max.Z - TileBoundingBox.Min.Z));
}
if (bGatherTileLabels)
{
DebugLabels.Add(FDebugText(NavLocation.Location + NavMeshDrawOffset, FString::Printf(TEXT("(%d,%d:%d)"), X, Y, Layer)));
}
if (bGatherTileBuildTimes)
{
// Just keep the highest layer location
const FIntPoint Coord(X, Y);
FVector* Location = TileBuildTimeLabelLocations.Find(Coord);
if (!Location)
{
TileBuildTimeLabelLocations.Add(Coord, NavLocation.Location);
}
else if(NavLocation.Location.Z > Location->Z)
{
*Location = NavLocation;
}
}
if (bGatherPolygonLabels || bGatherPolygonCost || bGatherPolygonFlags)
{
TArray<FNavPoly> Polys;
NavMesh->GetPolysInTile(TileRef, Polys);
float DefaultCosts[RECAST_MAX_AREAS];
float FixedCosts[RECAST_MAX_AREAS];
if (bGatherPolygonCost)
{
NavMesh->GetDefaultQueryFilter()->GetAllAreaCosts(DefaultCosts, FixedCosts, RECAST_MAX_AREAS);
}
for (const FNavPoly& Poly : Polys)
{
TStringBuilder<100> StringBuilder;
if (bGatherPolygonLabels)
{
uint32 NavPolyIndex = 0;
uint32 NavTileIndex = 0;
NavMesh->GetPolyTileIndex(Poly.Ref, NavPolyIndex, NavTileIndex);
if (StringBuilder.Len() > 0)
{
StringBuilder.Append(TEXT("\n"));
}
StringBuilder.Appendf(TEXT("Index Tile/Poly: [%d : %d]"), NavTileIndex, NavPolyIndex);
}
if (bGatherPolygonCost)
{
const uint32 AreaID = NavMesh->GetPolyAreaID(Poly.Ref);
if (StringBuilder.Len() > 0)
{
StringBuilder.Append(TEXT("\n"));
}
StringBuilder.Appendf(TEXT("Cost Default/Fixed: [%.3f : %.3f]"), DefaultCosts[AreaID], FixedCosts[AreaID]);
}
if (bGatherPolygonFlags)
{
uint16 PolyFlags = 0;
uint16 AreaFlags = 0;
NavMesh->GetPolyFlags(Poly.Ref, PolyFlags, AreaFlags);
if (StringBuilder.Len() > 0)
{
StringBuilder.Append(TEXT("\n"));
}
StringBuilder.Appendf(TEXT("Flags Poly/Area: [0x%X : 0x%X]"), PolyFlags, AreaFlags);
}
DebugLabels.Add(FDebugText(Poly.Center + NavMeshDrawOffset, StringBuilder.ToString()));
}
}
if (bGatherTileBounds)
{
const FBox TileBox = NavMesh->GetNavMeshTileBounds(TileRef);
const FVector::FReal DrawZ = (TileBox.Min.Z + TileBox.Max.Z) * 0.5;
const FVector LL(TileBox.Min.X, TileBox.Min.Y, DrawZ);
const FVector UR(TileBox.Max.X, TileBox.Max.Y, DrawZ);
const FVector UL(LL.X, UR.Y, DrawZ);
const FVector LR(UR.X, LL.Y, DrawZ);
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(LL, UL, NavMeshRenderColor_TileBounds, DefaultEdges_LineThickness));
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(UL, UR, NavMeshRenderColor_TileBounds, DefaultEdges_LineThickness));
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(UR, LR, NavMeshRenderColor_TileBounds, DefaultEdges_LineThickness));
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(LR, LL, NavMeshRenderColor_TileBounds, DefaultEdges_LineThickness));
}
if (bGatherTileResolutions)
{
const FBox TileBox = NavMesh->GetNavMeshTileBounds(TileRef);
const FVector::FReal DrawZ = TileBox.Max.Z + NavMeshDrawOffset.Z;
constexpr FVector::FReal InsideOffset = 10.f;
const FVector LowerLeft(TileBox.Min.X + InsideOffset, TileBox.Min.Y + InsideOffset, DrawZ);
const FVector UpperRight(TileBox.Max.X - InsideOffset, TileBox.Max.Y - InsideOffset, DrawZ);
const FVector UpperLeft(LowerLeft.X, UpperRight.Y, DrawZ);
const FVector LowerRight(UpperRight.X, LowerLeft.Y, DrawZ);
FColor TileBoundsColor = FColor::Silver;
ENavigationDataResolution Resolution = ENavigationDataResolution::Invalid;
if (NavMesh->GetNavmeshTileResolution(TileRef, Resolution))
{
switch (Resolution)
{
case ENavigationDataResolution::Low:
TileBoundsColor = FColor::Blue;
break;
case ENavigationDataResolution::Default:
TileBoundsColor = FColor::Green;
break;
case ENavigationDataResolution::High:
TileBoundsColor = FColor::Orange;
break;
default:
// Unset
break;
}
}
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(LowerLeft, UpperLeft, TileBoundsColor, TileResolution_LineThickness));
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(UpperLeft, UpperRight, TileBoundsColor, TileResolution_LineThickness));
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(UpperRight, LowerRight, TileBoundsColor, TileResolution_LineThickness));
ThickLineItems.Add(FDebugRenderSceneProxy::FDebugLine(LowerRight, LowerLeft, TileBoundsColor, TileResolution_LineThickness));
}
}
}
#if RECAST_INTERNAL_DEBUG_DATA
if (bGatherTileBuildTimes)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_TileBuildTimes);
for(const TPair<FIntPoint, FVector>& Pair : TileBuildTimeLabelLocations)
{
if (const FRecastInternalDebugData* DebugData = DebugDataMap->Find(Pair.Key))
{
constexpr double SecToMs = 1000.;
const double BuildTimeMs = DebugData->BuildTime * SecToMs;
const double CompressedLayerTimeMs = DebugData->BuildCompressedLayerTime * SecToMs;
const double NavigationDataTimeMs = DebugData->BuildNavigationDataTime * SecToMs;
const ENavigationDataResolution Resolution = (ENavigationDataResolution)DebugData->Resolution;
const double Range = NavMeshGeometry.MaxTileBuildTime - NavMeshGeometry.MinTileBuildTime;
int32 Rank = 0;
if (Range != 0.)
{
const double RankCalc = FRecastDebugGeometry::BuildTimeBucketsCount * ((DebugData->BuildTime - NavMeshGeometry.MinTileBuildTime) / Range);
Rank = static_cast<int32>(FMath::Clamp<double>(RankCalc, 0., FRecastDebugGeometry::BuildTimeBucketsCount-1));
}
const FString ResolutionText = StaticEnum<ENavigationDataResolution>()->GetNameStringByValue((int64)Resolution);
DebugLabels.Add(FDebugText(Pair.Value + NavMeshDrawOffset, FString::Printf(TEXT("%s res\n %.2f ms\n%.2f comp + %.2f nav\n%i tri"),
*ResolutionText, BuildTimeMs, CompressedLayerTimeMs, NavigationDataTimeMs,
DebugData->TriangleCount)));
}
}
}
#endif // RECAST_INTERNAL_DEBUG_DATA
}
#if RECAST_INTERNAL_DEBUG_DATA
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_DisplayInternalData);
// Display internal debug data
for (const FIntPoint& point : NavMeshGeometry.TilesToDisplayInternalData)
{
if (NavMesh->GetDebugDataMap())
{
const FRecastInternalDebugData& DebugData = NavMesh->GetDebugDataMap()->FindRef(point);
AddMeshForInternalData(DebugData);
}
}
}
#endif // RECAST_INTERNAL_DEBUG_DATA
NavMesh->FinishBatchQuery();
// Draw Mesh
const bool bGatherFilledPolys = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::FilledPolys);
if (bGatherFilledPolys)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_GatherFilledPolys);
#if WITH_NAVMESH_CLUSTER_LINKS
if (bGatherClusters)
{
for (int32 Idx = 0; Idx < NavMeshGeometry.Clusters.Num(); ++Idx)
{
const TArray<int32>& MeshIndices = NavMeshGeometry.Clusters[Idx].MeshIndices;
if (MeshIndices.Num() == 0)
{
continue;
}
FDebugMeshData DebugMeshData;
DebugMeshData.ClusterColor = FNavMeshRenderingHelpers::GetClusterColor(Idx);
for (int32 VertIdx = 0; VertIdx < MeshVerts.Num(); ++VertIdx)
{
FNavMeshRenderingHelpers::AddVertex(DebugMeshData, MeshVerts[VertIdx] + NavMeshDrawOffset, DebugMeshData.ClusterColor);
}
for (int32 TriIdx = 0; TriIdx < MeshIndices.Num(); TriIdx += 3)
{
FNavMeshRenderingHelpers::AddTriangleIndices(DebugMeshData, MeshIndices[TriIdx], MeshIndices[TriIdx + 1], MeshIndices[TriIdx + 2]);
}
MeshBuilders.Add(DebugMeshData);
}
}
else
#endif // WITH_NAVMESH_CLUSTER_LINKS
{
for (int32 AreaType = 0; AreaType < RECAST_MAX_AREAS; ++AreaType)
{
FNavMeshRenderingHelpers::AddCluster(MeshBuilders, NavMeshGeometry.AreaIndices[AreaType], NavMeshGeometry.MeshVerts, NavMeshColors[AreaType], NavMeshDrawOffset);
}
FNavMeshRenderingHelpers::AddCluster(MeshBuilders, NavMeshGeometry.ForbiddenIndices, NavMeshGeometry.MeshVerts, NavMeshRenderColor_PolyForbidden, NavMeshDrawOffset);
}
}
#if RECAST_INTERNAL_DEBUG_DATA
if (NavMeshGeometry.bGatherTileBuildTimesHeatMap)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_GatherTileBuildHeatMap);
for (int32 Index = 0; Index < FRecastDebugGeometry::BuildTimeBucketsCount; ++Index)
{
FNavMeshRenderingHelpers::AddCluster(MeshBuilders, NavMeshGeometry.TileBuildTimesIndices[Index], NavMeshGeometry.MeshVerts, TileBuildTimeColors[Index], NavMeshDrawOffset);
}
}
#endif // RECAST_INTERNAL_DEBUG_DATA
const bool bGatherOctree = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::NavOctree);
const bool bGatherOctreeDetails = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::NavOctreeDetails);
const bool bGatherPathCollidingGeometry = FNavMeshRenderingHelpers::HasFlag(NavDetailFlags, ENavMeshDetailFlags::PathCollidingGeometry);
if (bGatherOctree || bGatherPathCollidingGeometry)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_Octree);
const UNavigationSystemV1* NavSys = FNavigationSystem::GetCurrent<UNavigationSystemV1>(NavMesh->GetWorld());
const FNavigationOctree* NavOctree = NavSys ? NavSys->GetNavOctree() : nullptr;
if (NavOctree)
{
TArray<FVector> CollidingVerts;
TArray<uint32> CollidingIndices;
int32 NumElements = 0;
FBox CurrentNodeBoundsBox;
NavOctree->FindElementsWithPredicate([bGatherOctree, bGatherOctreeDetails, bGatherPathCollidingGeometry, this, &CurrentNodeBoundsBox, NavOctree, &NumElements](FNavigationOctree::FNodeIndex /*ParentNodeIndex*/, FNavigationOctree::FNodeIndex NodeIndex, const FBoxCenterAndExtent& NodeBounds)
{
if (bGatherOctree)
{
OctreeBounds.Add(NodeBounds);
if (bGatherOctreeDetails)
{
const int32 NumElementsInNode = NavOctree->GetElementsForNode(NodeIndex).Num();
NumElements += NumElementsInNode;
DebugLabels.Emplace(NodeBounds.Center, FString::Printf(TEXT("%d elements"), NumElementsInNode));
}
}
if (bGatherPathCollidingGeometry)
{
CurrentNodeBoundsBox = NodeBounds.GetBox();
}
return true;
},
[bGatherOctree, bGatherOctreeDetails, bGatherPathCollidingGeometry, this, NavMesh, &CollidingVerts, &CollidingIndices, &CurrentNodeBoundsBox](FNavigationOctree::FNodeIndex /*ParentNodeIndex*/, const FNavigationOctreeElement& Element)
{
if (bGatherOctree && bGatherOctreeDetails)
{
OctreeBounds.Add(FBoxCenterAndExtent(Element.Bounds));
}
if (bGatherPathCollidingGeometry)
{
if (Element.ShouldUseGeometry(NavMesh->GetConfig()) && Element.Data->CollisionData.Num())
{
const FRecastGeometryCache CachedGeometry(Element.Data->CollisionData.GetData());
TArray<FTransform> InstanceTransforms;
Element.Data->NavDataPerInstanceTransformDelegate.ExecuteIfBound(CurrentNodeBoundsBox, InstanceTransforms);
if (InstanceTransforms.Num() == 0)
{
FNavMeshRenderingHelpers::AddRecastGeometry(CollidingVerts, CollidingIndices, CachedGeometry.Verts, CachedGeometry.Header.NumVerts, CachedGeometry.Indices, CachedGeometry.Header.NumFaces);
}
else
{
for (const auto& Transform : InstanceTransforms)
{
FNavMeshRenderingHelpers::AddRecastGeometry(CollidingVerts, CollidingIndices, CachedGeometry.Verts, CachedGeometry.Header.NumVerts, CachedGeometry.Indices, CachedGeometry.Header.NumFaces, Transform);
}
}
}
}
});
if (bGatherOctreeDetails)
{
DebugLabels.Emplace(FString::Printf(TEXT("Total: %d elements"), NumElements));
}
if (CollidingVerts.Num())
{
FDebugMeshData DebugMeshData;
for (int32 VertIdx = 0; VertIdx < CollidingVerts.Num(); ++VertIdx)
{
FNavMeshRenderingHelpers::AddVertex(DebugMeshData, CollidingVerts[VertIdx], NavMeshRenderColor_PathCollidingGeom);
}
DebugMeshData.Indices = CollidingIndices;
DebugMeshData.ClusterColor = NavMeshRenderColor_PathCollidingGeom;
MeshBuilders.Add(DebugMeshData);
}
}
}
if (NavMeshGeometry.BuiltMeshIndices.Num() > 0)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_BuiltMeshIndices);
FDebugMeshData DebugMeshData;
for (int32 VertIdx = 0; VertIdx < MeshVerts.Num(); ++VertIdx)
{
FNavMeshRenderingHelpers::AddVertex(DebugMeshData, MeshVerts[VertIdx] + NavMeshDrawOffset, NavMeshRenderColor_RecastTileBeingRebuilt);
}
DebugMeshData.Indices.Append(NavMeshGeometry.BuiltMeshIndices);
DebugMeshData.ClusterColor = NavMeshRenderColor_RecastTileBeingRebuilt;
MeshBuilders.Add(DebugMeshData);
}
#if WITH_NAVMESH_CLUSTER_LINKS
if (bGatherClusters)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_GatherClusters);
for (int32 Idx = 0; Idx < NavMeshGeometry.ClusterLinks.Num(); Idx++)
{
const FRecastDebugGeometry::FClusterLink& CLink = NavMeshGeometry.ClusterLinks[Idx];
const FVector V0 = CLink.FromCluster + NavMeshDrawOffset;
const FVector V1 = CLink.ToCluster + NavMeshDrawOffset + FVector(0, 0, 20.0f);
FNavMeshRenderingHelpers::CacheArc(ClusterLinkLines, V0, V1, 0.4f, 4, FColor::Black, ClusterLinkLines_LineThickness);
const FVector VOffset(0, 0, FVector::Dist(V0, V1) * 1.333f);
FNavMeshRenderingHelpers::CacheArrowHead(ClusterLinkLines, V1, V0 + VOffset, 30.f, FColor::Black, ClusterLinkLines_LineThickness);
}
}
#endif // WITH_NAVMESH_CLUSTER_LINKS
#if WITH_NAVMESH_SEGMENT_LINKS
// cache segment links
if (bGatherNavLinks)
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_NavMesh_GatherDebugDrawing_NavLinks);
for (int32 AreaIdx = 0; AreaIdx < RECAST_MAX_AREAS; AreaIdx++)
{
const TArray<int32>& Indices = NavMeshGeometry.OffMeshSegmentAreas[AreaIdx];
FNavMeshSceneProxyData::FDebugMeshData DebugMeshData;
int32 VertBase = 0;
for (int32 Idx = 0; Idx < Indices.Num(); Idx++)
{
FRecastDebugGeometry::FOffMeshSegment& SegInfo = NavMeshGeometry.OffMeshSegments[Indices[Idx]];
const FVector A0 = SegInfo.LeftStart + NavMeshDrawOffset;
const FVector A1 = SegInfo.LeftEnd + NavMeshDrawOffset;
const FVector B0 = SegInfo.RightStart + NavMeshDrawOffset;
const FVector B1 = SegInfo.RightEnd + NavMeshDrawOffset;
const FVector Edge0 = B0 - A0;
const FVector Edge1 = B1 - A1;
const FVector::FReal Len0 = Edge0.Size();
const FVector::FReal Len1 = Edge1.Size();
const FColor SegColor = FNavMeshRenderingHelpers::DarkenColor(NavMeshColors[SegInfo.AreaID]);
const FColor ColA = (SegInfo.ValidEnds & FRecastDebugGeometry::OMLE_Left) ? FColor::White : FColor::Black;
const FColor ColB = (SegInfo.ValidEnds & FRecastDebugGeometry::OMLE_Right) ? FColor::White : FColor::Black;
constexpr int32 NumArcPoints = 8;
constexpr FVector::FReal ArcPtsScale = 1. / NumArcPoints;
FVector Prev0 = FNavMeshRenderingHelpers::EvalArc(A0, Edge0, Len0*0.25f, 0);
FVector Prev1 = FNavMeshRenderingHelpers::EvalArc(A1, Edge1, Len1*0.25f, 0);
FNavMeshRenderingHelpers::AddVertex(DebugMeshData, Prev0, ColA);
FNavMeshRenderingHelpers::AddVertex(DebugMeshData, Prev1, ColA);
for (int32 ArcIdx = 1; ArcIdx <= NumArcPoints; ArcIdx++)
{
const FVector::FReal u = ArcIdx * ArcPtsScale;
FVector Pt0 = FNavMeshRenderingHelpers::EvalArc(A0, Edge0, Len0*0.25f, u);
FVector Pt1 = FNavMeshRenderingHelpers::EvalArc(A1, Edge1, Len1*0.25f, u);
FNavMeshRenderingHelpers::AddVertex(DebugMeshData, Pt0, (ArcIdx == NumArcPoints) ? ColB : FColor::White);
FNavMeshRenderingHelpers::AddVertex(DebugMeshData, Pt1, (ArcIdx == NumArcPoints) ? ColB : FColor::White);
FNavMeshRenderingHelpers::AddTriangleIndices(DebugMeshData, VertBase + 0, VertBase + 2, VertBase + 1);
FNavMeshRenderingHelpers::AddTriangleIndices(DebugMeshData, VertBase + 2, VertBase + 3, VertBase + 1);
FNavMeshRenderingHelpers::AddTriangleIndices(DebugMeshData, VertBase + 0, VertBase + 1, VertBase + 2);
FNavMeshRenderingHelpers::AddTriangleIndices(DebugMeshData, VertBase + 2, VertBase + 1, VertBase + 3);
VertBase += 2;
Prev0 = Pt0;
Prev1 = Pt1;
}
VertBase += 2;
DebugMeshData.ClusterColor = SegColor;
}
if (DebugMeshData.Indices.Num())
{
MeshBuilders.Add(DebugMeshData);
}
}
}
#endif // WITH_NAVMESH_SEGMENT_LINKS
}
}
#if RECAST_INTERNAL_DEBUG_DATA
namespace FNavMeshRenderingHelpers
{
struct FUniqueColor
{
FUniqueColor() : Color(0), Count(0) {}
FUniqueColor(const FColor InColor, const uint32 InCount) : Color(InColor), Count(InCount) {}
FColor Color;
uint32 Count;
bool operator==(const FUniqueColor& Other) const
{
return Color == Other.Color;
}
};
FORCEINLINE uint32 GetTypeHash(const FUniqueColor& UniqueColor)
{
return UniqueColor.Color.DWColor();
}
}
void FNavMeshSceneProxyData::AddMeshForInternalData(const FRecastInternalDebugData& InInternalData)
{
if (InInternalData.TriangleIndices.Num() > 0)
{
const TArray<uint32>& Indices = InInternalData.TriangleIndices;
const TArray<FVector>& Vertices = InInternalData.TriangleVertices;
const TArray<FColor>& Colors = InInternalData.TriangleColors;
if (ensure(Vertices.Num() == Colors.Num()))
{
// Split the mesh into different colored pieces (because we cannot use vertex colors).
TSet<FNavMeshRenderingHelpers::FUniqueColor> UniqueColors;
FColor PrevColor = Colors[Indices[0]];
FSetElementId ColorIdx = UniqueColors.Add(FNavMeshRenderingHelpers::FUniqueColor(PrevColor, 1));
for (int32 i = 3; i < Indices.Num(); i += 3)
{
const FColor Color = Colors[Indices[i]]; // Use the first color as representative of the triangle color.
if (Color != PrevColor)
{
ColorIdx = UniqueColors.Add(FNavMeshRenderingHelpers::FUniqueColor(Color, 1));
PrevColor = Color;
}
else
{
UniqueColors[ColorIdx].Count++;
}
}
// Add triangles
for (const FNavMeshRenderingHelpers::FUniqueColor& CurrentColor : UniqueColors)
{
const uint32 VertexCount = CurrentColor.Count * 3;
FDebugMeshData& MeshData = MeshBuilders.AddDefaulted_GetRef();
MeshData.Indices.Reserve(VertexCount);
MeshData.Vertices.Reserve(VertexCount);
for (int32 i = 0; i < Indices.Num(); i += 3)
{
const FColor Color = Colors[Indices[i]];
if (Color == CurrentColor.Color)
{
const int32 VertexBase = MeshData.Vertices.Num();
FNavMeshRenderingHelpers::AddVertex(MeshData, Vertices[Indices[i]] + NavMeshDrawOffset, Color);
FNavMeshRenderingHelpers::AddVertex(MeshData, Vertices[Indices[i + 1]] + NavMeshDrawOffset, Color);
FNavMeshRenderingHelpers::AddVertex(MeshData, Vertices[Indices[i + 2]] + NavMeshDrawOffset, Color);
MeshData.Indices.Add(VertexBase);
MeshData.Indices.Add(VertexBase + 1);
MeshData.Indices.Add(VertexBase + 2);
}
}
MeshData.ClusterColor = CurrentColor.Color;
}
}
}
if (InInternalData.LineVertices.Num() > 0)
{
const TArray<FVector>& Vertices = InInternalData.LineVertices;
const TArray<FColor>& Colors = InInternalData.LineColors;
if (ensure(Vertices.Num() == Colors.Num()))
{
for (int32 i = 0; i < Vertices.Num(); i += 2)
{
AuxLines.Emplace(Vertices[i] + NavMeshDrawOffset, Vertices[i + 1] + NavMeshDrawOffset, Colors[i], 0.0f);
}
}
}
if (InInternalData.PointVertices.Num() > 0)
{
const TArray<FVector>& Vertices = InInternalData.PointVertices;
const TArray<FColor>& Colors = InInternalData.PointColors;
if (ensure(Vertices.Num() == Colors.Num()))
{
for (int32 i = 0; i < Vertices.Num(); i++)
{
AuxPoints.Emplace(Vertices[i] + NavMeshDrawOffset, Colors[i], 5.0f);
}
}
}
if (InInternalData.LabelVertices.Num() > 0)
{
const TArray<FVector>& Vertices = InInternalData.LabelVertices;
const TArray<FString>& Labels = InInternalData.Labels;
for (int32 i = 0; i < Vertices.Num(); i++)
{
DebugLabels.Emplace(Vertices[i] + NavMeshDrawOffset, Labels[i]);
}
}
}
#endif //RECAST_INTERNAL_DEBUG_DATA
#endif
//////////////////////////////////////////////////////////////////////////
// FNavMeshSceneProxy
SIZE_T FNavMeshSceneProxy::GetTypeHash() const
{
static size_t UniquePointer;
return reinterpret_cast<size_t>(&UniquePointer);
}
FNavMeshSceneProxy::FNavMeshSceneProxy(const UPrimitiveComponent* InComponent, FNavMeshSceneProxyData* InProxyData, bool ForceToRender)
: FDebugRenderSceneProxy(InComponent)
, VertexFactory(GetScene().GetFeatureLevel(), "FNavMeshSceneProxy")
, bForceRendering(ForceToRender)
{
DrawType = EDrawType::SolidAndWireMeshes;
ViewFlagName = TEXT("Navigation");
if (InProxyData)
{
ProxyData = *InProxyData;
Boxes.Append(InProxyData->AuxBoxes);
}
RenderingComponent = MakeWeakObjectPtr(const_cast<UNavMeshRenderingComponent*>(Cast<UNavMeshRenderingComponent>(InComponent)));
bSkipDistanceCheck = GIsEditor && (GEngine->GetDebugLocalPlayer() == nullptr);
bUseThickLines = GIsEditor;
const int32 NumberOfMeshes = ProxyData.MeshBuilders.Num();
if (!NumberOfMeshes)
{
return;
}
MeshColors.Reserve(NumberOfMeshes + 1); // we add one more proxy after the loop
MeshBatchElements.Reserve(NumberOfMeshes);
const FMaterialRenderProxy* ParentMaterial = GEngine->DebugMeshMaterial->GetRenderProxy();
TArray<FDynamicMeshVertex> Vertices;
for (int32 Index = 0; Index < NumberOfMeshes; ++Index)
{
const auto& CurrentMeshBuilder = ProxyData.MeshBuilders[Index];
FMeshBatchElement Element;
Element.FirstIndex = IndexBuffer.Indices.Num();
Element.NumPrimitives = FMath::FloorToInt((float)CurrentMeshBuilder.Indices.Num() / 3);
Element.MinVertexIndex = Vertices.Num();
Element.MaxVertexIndex = Element.MinVertexIndex + CurrentMeshBuilder.Vertices.Num() - 1;
Element.IndexBuffer = &IndexBuffer;
MeshBatchElements.Add(Element);
MeshColors.Add(MakeUnique<FColoredMaterialRenderProxy>(ParentMaterial, CurrentMeshBuilder.ClusterColor));
const int32 VertexIndexOffset = Vertices.Num();
Vertices.Append(CurrentMeshBuilder.Vertices);
if (VertexIndexOffset == 0)
{
IndexBuffer.Indices.Append(CurrentMeshBuilder.Indices);
}
else
{
IndexBuffer.Indices.Reserve(IndexBuffer.Indices.Num() + CurrentMeshBuilder.Indices.Num());
for (const auto VertIndex : CurrentMeshBuilder.Indices)
{
IndexBuffer.Indices.Add(VertIndex + VertexIndexOffset);
}
}
}
MeshColors.Add(MakeUnique<FColoredMaterialRenderProxy>(ParentMaterial, NavMeshRenderColor_PathCollidingGeom));
if (Vertices.Num())
{
VertexBuffers.InitFromDynamicVertex(&VertexFactory, Vertices);
}
if (IndexBuffer.Indices.Num())
{
BeginInitResource(&IndexBuffer);
}
}
FNavMeshSceneProxy::~FNavMeshSceneProxy()
{
VertexBuffers.PositionVertexBuffer.ReleaseResource();
VertexBuffers.StaticMeshVertexBuffer.ReleaseResource();
VertexBuffers.ColorVertexBuffer.ReleaseResource();
IndexBuffer.ReleaseResource();
VertexFactory.ReleaseResource();
}
void FNavMeshSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, const FSceneViewFamily& ViewFamily, uint32 VisibilityMap, FMeshElementCollector& Collector) const
{
QUICK_SCOPE_CYCLE_COUNTER(STAT_RecastRenderingSceneProxy_GetDynamicMeshElements);
FDebugRenderSceneProxy::GetDynamicMeshElements(Views, ViewFamily, VisibilityMap, Collector);
for (int32 ViewIndex = 0; ViewIndex < Views.Num(); ViewIndex++)
{
if (VisibilityMap & (1 << ViewIndex))
{
const FSceneView* View = Views[ViewIndex];
const bool bVisible = !!View->Family->EngineShowFlags.Navigation || bForceRendering;
if (!bVisible)
{
continue;
}
FPrimitiveDrawInterface* PDI = Collector.GetPDI(ViewIndex);
for (int32 Index = 0; Index < ProxyData.OctreeBounds.Num(); ++Index)
{
const FBoxCenterAndExtent& ProxyBounds = ProxyData.OctreeBounds[Index];
FNavMeshRenderingHelpers::DrawDebugBox(PDI, ProxyBounds.Center, ProxyBounds.Extent, FColor::White);
}
// Draw Mesh
if (MeshBatchElements.Num())
{
for (int32 Index = 0; Index < MeshBatchElements.Num(); ++Index)
{
if (MeshBatchElements[Index].NumPrimitives == 0)
{
continue;
}
FMeshBatch& Mesh = Collector.AllocateMesh();
FMeshBatchElement& BatchElement = Mesh.Elements[0];
BatchElement = MeshBatchElements[Index];
FDynamicPrimitiveUniformBuffer& DynamicPrimitiveUniformBuffer = Collector.AllocateOneFrameResource<FDynamicPrimitiveUniformBuffer>();
DynamicPrimitiveUniformBuffer.Set(Collector.GetRHICommandList(), FMatrix::Identity, FMatrix::Identity, GetBounds(), GetLocalBounds(), false, false, AlwaysHasVelocity());
BatchElement.PrimitiveUniformBufferResource = &DynamicPrimitiveUniformBuffer.UniformBuffer;
Mesh.bWireframe = false;
Mesh.VertexFactory = &VertexFactory;
Mesh.MaterialRenderProxy = MeshColors[Index].Get();
Mesh.ReverseCulling = IsLocalToWorldDeterminantNegative();
Mesh.Type = PT_TriangleList;
Mesh.DepthPriorityGroup = SDPG_World;
Mesh.bCanApplyViewModeOverrides = false;
Collector.AddMesh(ViewIndex, Mesh);
}
}
int32 Num = ProxyData.NavMeshEdgeLines.Num();
PDI->AddReserveLines(SDPG_World, Num, false, false);
PDI->AddReserveLines(SDPG_Foreground, Num, false, true);
for (int32 Index = 0; Index < Num; ++Index)
{
const FDebugLine &Line = ProxyData.NavMeshEdgeLines[Index];
if (FNavMeshRenderingHelpers::LineInView(Line.Start, Line.End, View))
{
if (FNavMeshRenderingHelpers::LineInCorrectDistance(Line.Start, Line.End, View))
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_World, NavMeshEdges_LineThickness, 0, true);
}
else if (bUseThickLines)
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_Foreground, DefaultEdges_LineThickness, 0, true);
}
}
}
Num = ProxyData.ClusterLinkLines.Num();
PDI->AddReserveLines(SDPG_World, Num, false, false);
PDI->AddReserveLines(SDPG_Foreground, Num, false, true);
for (int32 Index = 0; Index < Num; ++Index)
{
const FDebugLine &Line = ProxyData.ClusterLinkLines[Index];
if (FNavMeshRenderingHelpers::LineInView(Line.Start, Line.End, View))
{
if (FNavMeshRenderingHelpers::LineInCorrectDistance(Line.Start, Line.End, View))
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_World, ClusterLinkLines_LineThickness, 0, true);
}
else if (bUseThickLines)
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_Foreground, DefaultEdges_LineThickness, 0, true);
}
}
}
Num = ProxyData.TileEdgeLines.Num();
PDI->AddReserveLines(SDPG_World, Num, false, false);
PDI->AddReserveLines(SDPG_Foreground, Num, false, true);
for (int32 Index = 0; Index < Num; ++Index)
{
const FDebugLine &Line = ProxyData.TileEdgeLines[Index];
if (FNavMeshRenderingHelpers::LineInView(Line.Start, Line.End, View))
{
if (FNavMeshRenderingHelpers::LineInCorrectDistance(Line.Start, Line.End, View))
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_World, PolyEdges_LineThickness, 0, true);
}
else if (bUseThickLines)
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_Foreground, DefaultEdges_LineThickness, 0, true);
}
}
}
Num = ProxyData.NavLinkLines.Num();
PDI->AddReserveLines(SDPG_World, Num, false, false);
PDI->AddReserveLines(SDPG_Foreground, Num, false, true);
for (int32 Index = 0; Index < Num; ++Index)
{
const FDebugLine &Line = ProxyData.NavLinkLines[Index];
if (FNavMeshRenderingHelpers::LineInView(Line.Start, Line.End, View))
{
if (FNavMeshRenderingHelpers::LineInCorrectDistance(Line.Start, Line.End, View))
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_World, Line.Thickness, 0, true);
}
else if (bUseThickLines)
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_Foreground, DefaultEdges_LineThickness, 0, true);
}
}
}
Num = ProxyData.AuxLines.Num();
PDI->AddReserveLines(SDPG_World, Num, false, false);
PDI->AddReserveLines(SDPG_Foreground, Num, false, true);
for (int32 Index = 0; Index < Num; ++Index)
{
const auto& Line = ProxyData.AuxLines[Index];
if (FNavMeshRenderingHelpers::LineInView(Line.Start, Line.End, View))
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_World, Line.Thickness, 0, true);
}
}
Num = ProxyData.AuxPoints.Num();
for (int32 Index = 0; Index < Num; ++Index)
{
const auto& Point = ProxyData.AuxPoints[Index];
if (FNavMeshRenderingHelpers::PointInView(Point.Position, View))
{
PDI->DrawPoint(Point.Position, Point.Color, Point.Size, SDPG_World);
}
}
Num = ProxyData.ThickLineItems.Num();
PDI->AddReserveLines(SDPG_Foreground, Num, false, true);
for (int32 Index = 0; Index < Num; ++Index)
{
const auto &Line = ProxyData.ThickLineItems[Index];
if (FNavMeshRenderingHelpers::LineInView(Line.Start, Line.End, View))
{
if (FNavMeshRenderingHelpers::LineInCorrectDistance(Line.Start, Line.End, View))
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_World, Line.Thickness, 0, true);
}
else if (bUseThickLines)
{
PDI->DrawLine(Line.Start, Line.End, Line.Color, SDPG_Foreground, DefaultEdges_LineThickness, 0, true);
}
}
}
}
}
}
#if WITH_RECAST && UE_ENABLE_DEBUG_DRAWING
void FNavMeshDebugDrawDelegateHelper::DrawDebugLabels(UCanvas* Canvas, APlayerController*)
{
if (!Canvas)
{
return;
}
const bool bVisible = (Canvas->SceneView && !!Canvas->SceneView->Family->EngineShowFlags.Navigation) || bForceRendering;
if (!bVisible || bNeedsNewData || DebugLabels.Num() == 0)
{
return;
}
const FColor OldDrawColor = Canvas->DrawColor;
Canvas->SetDrawColor(FColor::White);
const FSceneView* View = Canvas->SceneView;
const UFont* Font = GEngine->GetSmallFont();
const FNavMeshSceneProxyData::FDebugText* DebugText = DebugLabels.GetData();
float ScreenY = 70.f;
for (int32 Idx = 0; Idx < DebugLabels.Num(); ++Idx, ++DebugText)
{
if (DebugText->Location == FNavigationSystem::InvalidLocation)
{
constexpr float ScreenX = 10.f;
Canvas->DrawText(Font, DebugText->Text, ScreenX, ScreenY);
if (DebugText->Text.IsEmpty())
{
ScreenY += Font->GetMaxCharHeight();
}
else
{
ScreenY += static_cast<float>(Font->GetStringHeightSize(*DebugText->Text));
}
}
else
{
if (FNavMeshRenderingHelpers::PointInView(DebugText->Location, View))
{
const FVector ScreenLoc = Canvas->Project(DebugText->Location);
Canvas->DrawText(Font, DebugText->Text
, FloatCastChecked<float>(ScreenLoc.X, UE::LWC::DefaultFloatPrecision)
, FloatCastChecked<float>(ScreenLoc.Y, UE::LWC::DefaultFloatPrecision));
}
}
}
Canvas->SetDrawColor(OldDrawColor);
}
#endif
FPrimitiveViewRelevance FNavMeshSceneProxy::GetViewRelevance(const FSceneView* View) const
{
const bool bVisible = !!View->Family->EngineShowFlags.Navigation || bForceRendering;
FPrimitiveViewRelevance Result;
Result.bDrawRelevance = bVisible && IsShown(View);
Result.bDynamicRelevance = true;
// ideally the TranslucencyRelevance should be filled out by the material, here we do it conservative
Result.bSeparateTranslucency = Result.bNormalTranslucency = bVisible && IsShown(View);
return Result;
}
uint32 FNavMeshSceneProxy::GetAllocatedSizeInternal() const
{
return IntCastChecked<uint32>(
FDebugRenderSceneProxy::GetAllocatedSize() +
ProxyData.GetAllocatedSize() +
IndexBuffer.Indices.GetAllocatedSize() +
VertexBuffers.PositionVertexBuffer.GetNumVertices() * VertexBuffers.PositionVertexBuffer.GetStride() +
VertexBuffers.StaticMeshVertexBuffer.GetResourceSize() +
VertexBuffers.ColorVertexBuffer.GetNumVertices() * VertexBuffers.ColorVertexBuffer.GetStride() +
MeshColors.GetAllocatedSize() + MeshColors.Num() * sizeof(FColoredMaterialRenderProxy) +
MeshBatchElements.GetAllocatedSize());
}
//////////////////////////////////////////////////////////////////////////
// NavMeshRenderingComponent
#if WITH_EDITOR
namespace
{
bool AreAnyViewportsRelevant(const UWorld* World)
{
FWorldContext* WorldContext = GEngine->GetWorldContextFromWorld(World);
if (WorldContext && WorldContext->GameViewport)
{
return true;
}
for (FEditorViewportClient* CurrentViewport : GEditor->GetAllViewportClients())
{
if (CurrentViewport && CurrentViewport->IsVisible())
{
return true;
}
}
return false;
}
}
#endif
UNavMeshRenderingComponent::UNavMeshRenderingComponent(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
SetCollisionProfileName(UCollisionProfile::NoCollision_ProfileName);
bIsEditorOnly = true;
bSelectable = false;
bCollectNavigationData = false;
bForceUpdate = false;
}
bool UNavMeshRenderingComponent::IsNavigationShowFlagSet(const UWorld* World)
{
bool bShowNavigation = false;
FWorldContext* WorldContext = GEngine->GetWorldContextFromWorld(World);
#if WITH_EDITOR
if (GEditor && WorldContext && WorldContext->WorldType != EWorldType::Game)
{
bShowNavigation = WorldContext->GameViewport != nullptr && WorldContext->GameViewport->EngineShowFlags.Navigation;
if (bShowNavigation == false)
{
// we have to check all viewports because we can't to distinguish between SIE and PIE at this point.
for (FEditorViewportClient* CurrentViewport : GEditor->GetAllViewportClients())
{
if (CurrentViewport && CurrentViewport->EngineShowFlags.Navigation)
{
bShowNavigation = true;
break;
}
}
}
}
else
#endif //WITH_EDITOR
{
bShowNavigation = WorldContext && WorldContext->GameViewport && WorldContext->GameViewport->EngineShowFlags.Navigation;
}
return bShowNavigation;
}
void UNavMeshRenderingComponent::TimerFunction()
{
const UWorld* World = GetWorld();
#if WITH_EDITOR
if (GEditor && (AreAnyViewportsRelevant(World) == false))
{
// unable to tell if the flag is on or not
return;
}
#endif // WITH_EDITOR
const bool bShowNavigation = bForceUpdate || IsNavigationShowFlagSet(World);
if (bShowNavigation != !!bCollectNavigationData && bShowNavigation == true)
{
bForceUpdate = false;
bCollectNavigationData = bShowNavigation;
MarkRenderStateDirty();
}
}
void UNavMeshRenderingComponent::OnRegister()
{
Super::OnRegister();
#if WITH_RECAST && UE_ENABLE_DEBUG_DRAWING
// it's a kind of HACK but there is no event or other information that show flag was changed by user => we have to check it periodically
#if WITH_EDITOR
if (GEditor)
{
GEditor->GetTimerManager()->SetTimer(TimerHandle, FTimerDelegate::CreateUObject(this, &UNavMeshRenderingComponent::TimerFunction), 1, true);
}
else
#endif //WITH_EDITOR
{
GetWorld()->GetTimerManager().SetTimer(TimerHandle, FTimerDelegate::CreateUObject(this, &UNavMeshRenderingComponent::TimerFunction), 1, true);
}
#endif //WITH_RECAST && UE_ENABLE_DEBUG_DRAWING
}
void UNavMeshRenderingComponent::OnUnregister()
{
#if WITH_RECAST && UE_ENABLE_DEBUG_DRAWING
// it's a kind of HACK but there is no event or other information that show flag was changed by user => we have to check it periodically
#if WITH_EDITOR
if (GEditor)
{
GEditor->GetTimerManager()->ClearTimer(TimerHandle);
}
else
#endif //WITH_EDITOR
{
GetWorld()->GetTimerManager().ClearTimer(TimerHandle);
}
#endif //WITH_RECAST && UE_ENABLE_DEBUG_DRAWING
Super::OnUnregister();
}
void UNavMeshRenderingComponent::GatherData(const ARecastNavMesh& NavMesh, FNavMeshSceneProxyData& OutProxyData) const
{
#if WITH_RECAST
const int32 DetailFlags = FNavMeshRenderingHelpers::GetDetailFlags(&NavMesh);
const TArray<FNavTileRef> EmptyTileSet;
OutProxyData.GatherData(&NavMesh, DetailFlags, EmptyTileSet);
#endif // WITH_RECAST
}
#if UE_ENABLE_DEBUG_DRAWING
FDebugRenderSceneProxy* UNavMeshRenderingComponent::CreateDebugSceneProxy()
{
#if WITH_RECAST
FNavMeshSceneProxy* NavMeshSceneProxy = nullptr;
const bool bShowNavigation = IsNavigationShowFlagSet(GetWorld());
bCollectNavigationData = bShowNavigation;
if (bCollectNavigationData && IsVisible())
{
const ARecastNavMesh* NavMesh = Cast<ARecastNavMesh>(GetOwner());
if (NavMesh && NavMesh->IsDrawingEnabled())
{
FNavMeshSceneProxyData ProxyData;
GatherData(*NavMesh, ProxyData);
NavMeshSceneProxy = new FNavMeshSceneProxy(this, &ProxyData);
NavMeshDebugDrawDelegateManager.SetupFromProxy(NavMeshSceneProxy);
}
else
{
NavMeshDebugDrawDelegateManager.Reset();
}
}
return NavMeshSceneProxy;
#else
return nullptr;
#endif // WITH_RECAST
}
#endif
FBoxSphereBounds UNavMeshRenderingComponent::CalcBounds(const FTransform& LocalToWorld) const
{
FBox BoundingBox(ForceInit);
#if WITH_RECAST
ARecastNavMesh* NavMesh = Cast<ARecastNavMesh>(GetOwner());
if (NavMesh)
{
BoundingBox = NavMesh->GetNavMeshBounds();
if (NavMesh->bDrawOctree)
{
const UNavigationSystemV1* NavSys = FNavigationSystem::GetCurrent<UNavigationSystemV1>(GetWorld());
const FNavigationOctree* NavOctree = NavSys ? NavSys->GetNavOctree() : nullptr;
if (NavOctree)
{
//this is only iterating over the root node
BoundingBox += NavOctree->GetRootBounds().GetBox();
}
}
}
#endif
return FBoxSphereBounds(BoundingBox);
}