/** * For the given text, constructs a mesh to be used by the vertex factory for rendering. */ bool FTextRenderSceneProxy::BuildStringMesh( TArray<FDynamicMeshVertex>& OutVertices, TArray<uint16>& OutIndices ) { if(!Font || Text.IsEmpty()) { return false; } float FirstLineHeight = -1; // Only kept around for legacy positioning support float StartY = 0; const float CharIncrement = ( (float)Font->Kerning + HorizSpacingAdjust ) * XScale; float LineX = 0; const int32 PageIndex = 0; FTextIterator It(*Text.ToString()); while (It.NextLine()) { FVector2D LineSize = ComputeTextSize(It, Font, XScale, YScale, HorizSpacingAdjust); float StartX = ComputeHorizontalAlignmentOffset(LineSize, HorizontalAlignment); if (FirstLineHeight < 0) { FirstLineHeight = LineSize.Y; } LineX = 0; int32 Ch; while (It.NextCharacterInLine(Ch)) { Ch = (int32)Font->RemapChar(Ch); if(!Font->Characters.IsValidIndex(Ch + PageIndex)) { continue; } FFontCharacter& Char = Font->Characters[Ch + PageIndex]; if(!Font->Textures.IsValidIndex(Char.TextureIndex)) { continue; } UTexture2D* Tex = Font->Textures[Char.TextureIndex]; if(Tex) { FIntPoint ImportedTextureSize = Tex->GetImportedSize(); FVector2D InvTextureSize(1.0f / (float)ImportedTextureSize.X, 1.0f / (float)ImportedTextureSize.Y); const float X = LineX + StartX; const float Y = StartY + Char.VerticalOffset * YScale; float SizeX = Char.USize * XScale; const float SizeY = Char.VSize * YScale; const float U = Char.StartU * InvTextureSize.X; const float V = Char.StartV * InvTextureSize.Y; const float SizeU = Char.USize * InvTextureSize.X; const float SizeV = Char.VSize * InvTextureSize.Y; float Left = X; float Top = Y; float Right = X + SizeX; float Bottom = Y + SizeY; // axis choice and sign to get good alignment when placed on surface FVector4 V0 = FVector4(0, -Left, -Top, 0); FVector4 V1 = FVector4(0, -Right, -Top, 0); FVector4 V2 = FVector4(0, -Left, -Bottom, 0); FVector4 V3 = FVector4(0, -Right, -Bottom, 0); FVector TangentX(0, -1, 0); FVector TangentY(0, 0, -1); FVector TangentZ(1, 0, 0); int32 V00 = OutVertices.Add(FDynamicMeshVertex(V0, TangentX, TangentZ, FVector2D(U, V), TextRenderColor)); int32 V10 = OutVertices.Add(FDynamicMeshVertex(V1, TangentX, TangentZ, FVector2D(U + SizeU, V), TextRenderColor)); int32 V01 = OutVertices.Add(FDynamicMeshVertex(V2, TangentX, TangentZ, FVector2D(U, V + SizeV), TextRenderColor)); int32 V11 = OutVertices.Add(FDynamicMeshVertex(V3, TangentX, TangentZ, FVector2D(U + SizeU, V + SizeV), TextRenderColor)); check(V00 < 65536); check(V10 < 65536); check(V01 < 65536); check(V11 < 65536); OutIndices.Add(V00); OutIndices.Add(V11); OutIndices.Add(V10); OutIndices.Add(V00); OutIndices.Add(V01); OutIndices.Add(V11); // if we have another non-whitespace character to render, add the font's kerning. int32 NextChar; if( It.Peek(NextChar) && !FChar::IsWhitespace(NextChar) ) { SizeX += CharIncrement; } LineX += SizeX; } } // Move Y position down to next line. If the current line is empty, move by max char height in font StartY += LineSize.Y > 0 ? LineSize.Y : Font->GetMaxCharHeight(); } // Avoid initializing RHI resources when no vertices are generated. return (OutVertices.Num() > 0); }
void UNavMeshRenderingComponent::GatherData(struct FNavMeshSceneProxyData* CurrentData) const { #if WITH_RECAST const ARecastNavMesh* NavMesh = Cast<ARecastNavMesh>(GetOwner()); CurrentData->Reset(); CurrentData->bEnableDrawing = NavMesh->bEnableDrawing; CurrentData->bNeedsNewData = false; if (CurrentData && NavMesh && NavMesh->bEnableDrawing) { FHitProxyId HitProxyId = FHitProxyId(); CurrentData->bDrawPathCollidingGeometry = NavMesh->bDrawPathCollidingGeometry; CurrentData->NavMeshDrawOffset.Z = NavMesh->DrawOffset; CurrentData->NavMeshGeometry.bGatherPolyEdges = NavMesh->bDrawPolyEdges; CurrentData->NavMeshGeometry.bGatherNavMeshEdges = NavMesh->bDrawNavMeshEdges; const FNavDataConfig& NavConfig = NavMesh->GetConfig(); CurrentData->NavMeshColors[RECAST_DEFAULT_AREA] = NavConfig.Color.DWColor() > 0 ? NavConfig.Color : NavMeshRenderColor_RecastMesh; for (uint8 i = 0; i < RECAST_DEFAULT_AREA; ++i) { CurrentData->NavMeshColors[i] = NavMesh->GetAreaIDColor(i); } // just a little trick to make sure navmeshes with different sized are not drawn with same offset CurrentData->NavMeshDrawOffset.Z += NavMesh->GetConfig().AgentRadius / 10.f; NavMesh->BeginBatchQuery(); if (NavMesh->bDrawOctree) { const UNavigationSystem* NavSys = UNavigationSystem::GetCurrent(GetWorld()); const FNavigationOctree* NavOctree = NavSys ? NavSys->GetNavOctree() : NULL; if (NavOctree) { for (FNavigationOctree::TConstIterator<> NodeIt(*NavOctree); NodeIt.HasPendingNodes(); NodeIt.Advance()) { const FNavigationOctree::FNode& CurrentNode = NodeIt.GetCurrentNode(); const FOctreeNodeContext& CorrentContext = NodeIt.GetCurrentContext(); CurrentData->OctreeBounds.Add(CorrentContext.Bounds); FOREACH_OCTREE_CHILD_NODE(ChildRef) { if (CurrentNode.HasChild(ChildRef)) { NodeIt.PushChild(ChildRef); } } } } } NavMesh->GetDebugGeometry(CurrentData->NavMeshGeometry); const TArray<FVector>& MeshVerts = CurrentData->NavMeshGeometry.MeshVerts; // @fixme, this is going to double up on lots of interior lines if (NavMesh->bDrawTriangleEdges) { for (int32 AreaIdx = 0; AreaIdx < RECAST_MAX_AREAS; ++AreaIdx) { const TArray<int32>& MeshIndices = CurrentData->NavMeshGeometry.AreaIndices[AreaIdx]; for (int32 Idx=0; Idx<MeshIndices.Num(); Idx += 3) { CurrentData->ThickLineItems.Add(FNavMeshSceneProxyData::FDebugThickLine(MeshVerts[MeshIndices[Idx + 0]] + CurrentData->NavMeshDrawOffset, MeshVerts[MeshIndices[Idx + 1]] + CurrentData->NavMeshDrawOffset, NavMeshRenderColor_Recast_TriangleEdges, DefaultEdges_LineThickness)); CurrentData->ThickLineItems.Add(FNavMeshSceneProxyData::FDebugThickLine(MeshVerts[MeshIndices[Idx + 1]] + CurrentData->NavMeshDrawOffset, MeshVerts[MeshIndices[Idx + 2]] + CurrentData->NavMeshDrawOffset, NavMeshRenderColor_Recast_TriangleEdges, DefaultEdges_LineThickness)); CurrentData->ThickLineItems.Add(FNavMeshSceneProxyData::FDebugThickLine(MeshVerts[MeshIndices[Idx + 2]] + CurrentData->NavMeshDrawOffset, MeshVerts[MeshIndices[Idx + 0]] + CurrentData->NavMeshDrawOffset, NavMeshRenderColor_Recast_TriangleEdges, DefaultEdges_LineThickness)); } } } // make lines for tile edges if (NavMesh->bDrawPolyEdges) { const TArray<FVector>& TileEdgeVerts = CurrentData->NavMeshGeometry.PolyEdges; for (int32 Idx=0; Idx < TileEdgeVerts.Num(); Idx += 2) { CurrentData->TileEdgeLines.Add( FDebugRenderSceneProxy::FDebugLine(TileEdgeVerts[Idx] + CurrentData->NavMeshDrawOffset, TileEdgeVerts[Idx+1] + CurrentData->NavMeshDrawOffset, NavMeshRenderColor_Recast_TileEdges)); } } // make lines for navmesh edges if (NavMesh->bDrawNavMeshEdges) { const FColor EdgesColor = DarkenColor(CurrentData->NavMeshColors[RECAST_DEFAULT_AREA]); const TArray<FVector>& NavMeshEdgeVerts = CurrentData->NavMeshGeometry.NavMeshEdges; for (int32 Idx=0; Idx < NavMeshEdgeVerts.Num(); Idx += 2) { CurrentData->NavMeshEdgeLines.Add( FDebugRenderSceneProxy::FDebugLine(NavMeshEdgeVerts[Idx] + CurrentData->NavMeshDrawOffset, NavMeshEdgeVerts[Idx+1] + CurrentData->NavMeshDrawOffset, EdgesColor)); } } // offset all navigation-link positions if (!NavMesh->bDrawClusters) { for (int32 OffMeshLineIndex = 0; OffMeshLineIndex < CurrentData->NavMeshGeometry.OffMeshLinks.Num(); ++OffMeshLineIndex) { FRecastDebugGeometry::FOffMeshLink& Link = CurrentData->NavMeshGeometry.OffMeshLinks[OffMeshLineIndex]; const bool bLinkValid = (Link.ValidEnds & FRecastDebugGeometry::OMLE_Left) && (Link.ValidEnds & FRecastDebugGeometry::OMLE_Right); if (NavMesh->bDrawFailedNavLinks || (NavMesh->bDrawNavLinks && bLinkValid)) { const FVector V0 = Link.Left + CurrentData->NavMeshDrawOffset; const FVector V1 = Link.Right + CurrentData->NavMeshDrawOffset; const FColor LinkColor = ((Link.Direction && Link.ValidEnds) || (Link.ValidEnds & FRecastDebugGeometry::OMLE_Left)) ? DarkenColor(CurrentData->NavMeshColors[Link.AreaID]) : NavMeshRenderColor_OffMeshConnectionInvalid; CacheArc(CurrentData->NavLinkLines, V0, V1, 0.4f, 4, LinkColor, LinkLines_LineThickness); const FVector VOffset(0, 0, FVector::Dist(V0, V1) * 1.333f); CacheArrowHead(CurrentData->NavLinkLines, V1, V0+VOffset, 30.f, LinkColor, LinkLines_LineThickness); if (Link.Direction) { CacheArrowHead(CurrentData->NavLinkLines, V0, V1+VOffset, 30.f, LinkColor, LinkLines_LineThickness); } // 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 DrawWireCylinder(CurrentData->NavLinkLines, V0, FVector(1,0,0), FVector(0,1,0), FVector(0,0,1), NavMeshRenderColor_OffMeshConnectionInvalid, Link.Radius, NavMesh->AgentMaxStepHeight, 16, 0, DefaultEdges_LineThickness); } if ((Link.ValidEnds & FRecastDebugGeometry::OMLE_Right) == 0) { DrawWireCylinder(CurrentData->NavLinkLines, V1, FVector(1,0,0), FVector(0,1,0), FVector(0,0,1), NavMeshRenderColor_OffMeshConnectionInvalid, Link.Radius, NavMesh->AgentMaxStepHeight, 16, 0, DefaultEdges_LineThickness); } } } } } if (NavMesh->bDrawTileLabels || NavMesh->bDrawPolygonLabels || NavMesh->bDrawDefaultPolygonCost || NavMesh->bDrawTileBounds) { // calculate appropriate points for displaying debug labels const int32 TilesCount = NavMesh->GetNavMeshTilesCount(); CurrentData->DebugLabels.Reserve(TilesCount); for (int32 TileIndex = 0; TileIndex < TilesCount; ++TileIndex) { int32 X, Y, Layer; if (NavMesh->GetNavMeshTileXY(TileIndex, X, Y, Layer)) { const FBox TileBoundingBox = NavMesh->GetNavMeshTileBounds(TileIndex); 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 (NavMesh->bDrawTileLabels) { CurrentData->DebugLabels.Add(FNavMeshSceneProxyData::FDebugText( /*Location*/NavLocation.Location + CurrentData->NavMeshDrawOffset , /*Text*/FString::Printf(TEXT("(%d,%d:%d)"), X, Y, Layer) )); } if (NavMesh->bDrawPolygonLabels || NavMesh->bDrawDefaultPolygonCost) { TArray<FNavPoly> Polys; NavMesh->GetPolysInTile(TileIndex, Polys); if (NavMesh->bDrawDefaultPolygonCost) { float DefaultCosts[RECAST_MAX_AREAS]; float FixedCosts[RECAST_MAX_AREAS]; NavMesh->GetDefaultQueryFilter()->GetAllAreaCosts(DefaultCosts, FixedCosts, RECAST_MAX_AREAS); for(int k = 0; k < Polys.Num(); ++k) { uint32 AreaID = NavMesh->GetPolyAreaID(Polys[k].Ref); CurrentData->DebugLabels.Add(FNavMeshSceneProxyData::FDebugText( /*Location*/Polys[k].Center + CurrentData->NavMeshDrawOffset , /*Text*/FString::Printf(TEXT("\\%.3f; %.3f\\"), DefaultCosts[AreaID], FixedCosts[AreaID]) )); } } else { for(int k = 0; k < Polys.Num(); ++k) { uint32 NavPolyIndex = 0; uint32 NavTileIndex = 0; NavMesh->GetPolyTileIndex(Polys[k].Ref, NavPolyIndex, NavTileIndex); CurrentData->DebugLabels.Add(FNavMeshSceneProxyData::FDebugText( /*Location*/Polys[k].Center + CurrentData->NavMeshDrawOffset , /*Text*/FString::Printf(TEXT("[%X:%X]"), NavTileIndex, NavPolyIndex) )); } } } if (NavMesh->bDrawTileBounds) { FBox TileBox = NavMesh->GetNavMeshTileBounds(TileIndex); float DrawZ = (TileBox.Min.Z + TileBox.Max.Z) * 0.5f; // @hack average FVector LL(TileBox.Min.X, TileBox.Min.Y, DrawZ); FVector UR(TileBox.Max.X, TileBox.Max.Y, DrawZ); FVector UL(LL.X, UR.Y, DrawZ); FVector LR(UR.X, LL.Y, DrawZ); CurrentData->ThickLineItems.Add(FNavMeshSceneProxyData::FDebugThickLine(LL, UL, NavMeshRenderColor_TileBounds, DefaultEdges_LineThickness)); CurrentData->ThickLineItems.Add(FNavMeshSceneProxyData::FDebugThickLine(UL, UR, NavMeshRenderColor_TileBounds, DefaultEdges_LineThickness)); CurrentData->ThickLineItems.Add(FNavMeshSceneProxyData::FDebugThickLine(UR, LR, NavMeshRenderColor_TileBounds, DefaultEdges_LineThickness)); CurrentData->ThickLineItems.Add(FNavMeshSceneProxyData::FDebugThickLine(LR, LL, NavMeshRenderColor_TileBounds, DefaultEdges_LineThickness)); } } } } CurrentData->bSkipDistanceCheck = GIsEditor && (GEngine->GetDebugLocalPlayer() == NULL); CurrentData->bDrawClusters = NavMesh->bDrawClusters; NavMesh->FinishBatchQuery(); // Draw Mesh if (NavMesh->bDrawClusters) { for (int32 Idx = 0; Idx < CurrentData->NavMeshGeometry.Clusters.Num(); ++Idx) { const TArray<int32>& MeshIndices = CurrentData->NavMeshGeometry.Clusters[Idx].MeshIndices; if (MeshIndices.Num() == 0) { continue; } FNavMeshSceneProxyData::FDebugMeshData DebugMeshData; DebugMeshData.ClusterColor = GetClusterColor(Idx); for (int32 VertIdx=0; VertIdx < MeshVerts.Num(); ++VertIdx) { AddVertexHelper(DebugMeshData, MeshVerts[VertIdx] + CurrentData->NavMeshDrawOffset, DebugMeshData.ClusterColor); } for (int32 TriIdx=0; TriIdx < MeshIndices.Num(); TriIdx+=3) { AddTriangleHelper(DebugMeshData, MeshIndices[TriIdx], MeshIndices[TriIdx+1], MeshIndices[TriIdx+2]); } CurrentData->MeshBuilders.Add(DebugMeshData); } } else if (NavMesh->bDrawNavMesh) { for (int32 AreaType = 0; AreaType < RECAST_MAX_AREAS; ++AreaType) { const TArray<int32>& MeshIndices = CurrentData->NavMeshGeometry.AreaIndices[AreaType]; if (MeshIndices.Num() == 0) { continue; } FNavMeshSceneProxyData::FDebugMeshData DebugMeshData; for (int32 VertIdx=0; VertIdx < MeshVerts.Num(); ++VertIdx) { AddVertexHelper(DebugMeshData, MeshVerts[VertIdx] + CurrentData->NavMeshDrawOffset, CurrentData->NavMeshColors[AreaType]); } for (int32 TriIdx=0; TriIdx < MeshIndices.Num(); TriIdx+=3) { AddTriangleHelper(DebugMeshData, MeshIndices[TriIdx], MeshIndices[TriIdx+1], MeshIndices[TriIdx+2]); } DebugMeshData.ClusterColor = CurrentData->NavMeshColors[AreaType]; CurrentData->MeshBuilders.Add(DebugMeshData); } } if (NavMesh->bDrawPathCollidingGeometry) { // draw all geometry gathered in navoctree const FNavigationOctree* NavOctree = NavMesh->GetWorld()->GetNavigationSystem()->GetNavOctree(); TArray<FVector> PathCollidingGeomVerts; TArray <int32> PathCollidingGeomIndices; for (FNavigationOctree::TConstIterator<> It(*NavOctree); It.HasPendingNodes(); It.Advance()) { const FNavigationOctree::FNode& Node = It.GetCurrentNode(); for (FNavigationOctree::ElementConstIt ElementIt(Node.GetElementIt()); ElementIt; ElementIt++) { const FNavigationOctreeElement& Element = *ElementIt; if (Element.ShouldUseGeometry(&NavMesh->NavDataConfig) && Element.Data.CollisionData.Num()) { const FRecastGeometryCache CachedGeometry(Element.Data.CollisionData.GetData()); AppendGeometry(PathCollidingGeomVerts, PathCollidingGeomIndices, CachedGeometry.Verts, CachedGeometry.Header.NumVerts, CachedGeometry.Indices, CachedGeometry.Header.NumFaces); } } FOREACH_OCTREE_CHILD_NODE(ChildRef) { if (Node.HasChild(ChildRef)) { It.PushChild(ChildRef); } } } CurrentData->PathCollidingGeomIndices = PathCollidingGeomIndices; for (const auto& Vertex : PathCollidingGeomVerts) { CurrentData->PathCollidingGeomVerts.Add(FDynamicMeshVertex(Vertex)); } } if (CurrentData->NavMeshGeometry.BuiltMeshIndices.Num() > 0) { FNavMeshSceneProxyData::FDebugMeshData DebugMeshData; for (int32 VertIdx=0; VertIdx < MeshVerts.Num(); ++VertIdx) { AddVertexHelper(DebugMeshData, MeshVerts[VertIdx] + CurrentData->NavMeshDrawOffset, NavMeshRenderColor_RecastTileBeingRebuilt); } DebugMeshData.Indices.Append(CurrentData->NavMeshGeometry.BuiltMeshIndices); DebugMeshData.ClusterColor = NavMeshRenderColor_RecastTileBeingRebuilt; CurrentData->MeshBuilders.Add(DebugMeshData); // updates should be requested by FRecastNavMeshGenerator::TickAsyncBuild after tiles were refreshed } if (NavMesh->bDrawClusters) { for (int i = 0; i < CurrentData->NavMeshGeometry.ClusterLinks.Num(); i++) { const FRecastDebugGeometry::FClusterLink& CLink = CurrentData->NavMeshGeometry.ClusterLinks[i]; const FVector V0 = CLink.FromCluster + CurrentData->NavMeshDrawOffset; const FVector V1 = CLink.ToCluster + CurrentData->NavMeshDrawOffset + FVector(0,0,20.0f); CacheArc(CurrentData->ClusterLinkLines, V0, V1, 0.4f, 4, FColor::Black, ClusterLinkLines_LineThickness); const FVector VOffset(0, 0, FVector::Dist(V0, V1) * 1.333f); CacheArrowHead(CurrentData->ClusterLinkLines, V1, V0+VOffset, 30.f, FColor::Black, ClusterLinkLines_LineThickness); } } // cache segment links if (NavMesh->bDrawNavLinks) { for (int32 iArea = 0; iArea < RECAST_MAX_AREAS; iArea++) { const TArray<int32>& Indices = CurrentData->NavMeshGeometry.OffMeshSegmentAreas[iArea]; FNavMeshSceneProxyData::FDebugMeshData DebugMeshData; int32 VertBase = 0; for (int32 i = 0; i < Indices.Num(); i++) { FRecastDebugGeometry::FOffMeshSegment& SegInfo = CurrentData->NavMeshGeometry.OffMeshSegments[Indices[i]]; const FVector A0 = SegInfo.LeftStart + CurrentData->NavMeshDrawOffset; const FVector A1 = SegInfo.LeftEnd + CurrentData->NavMeshDrawOffset; const FVector B0 = SegInfo.RightStart + CurrentData->NavMeshDrawOffset; const FVector B1 = SegInfo.RightEnd + CurrentData->NavMeshDrawOffset; const FVector Edge0 = B0 - A0; const FVector Edge1 = B1 - A1; const float Len0 = Edge0.Size(); const float Len1 = Edge1.Size(); const FColor SegColor = DarkenColor(CurrentData->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; const int32 NumArcPoints = 8; const float ArcPtsScale = 1.0f / NumArcPoints; FVector Prev0 = EvalArc(A0, Edge0, Len0*0.25f, 0); FVector Prev1 = EvalArc(A1, Edge1, Len1*0.25f, 0); AddVertexHelper(DebugMeshData, Prev0, ColA); AddVertexHelper(DebugMeshData, Prev1, ColA); for (int32 j = 1; j <= NumArcPoints; j++) { const float u = j * ArcPtsScale; FVector Pt0 = EvalArc(A0, Edge0, Len0*0.25f, u); FVector Pt1 = EvalArc(A1, Edge1, Len1*0.25f, u); AddVertexHelper(DebugMeshData, Pt0, (j == NumArcPoints) ? ColB : FColor::White); AddVertexHelper(DebugMeshData, Pt1, (j == NumArcPoints) ? ColB : FColor::White); AddTriangleHelper(DebugMeshData, VertBase+0, VertBase+2, VertBase+1); AddTriangleHelper(DebugMeshData, VertBase+2, VertBase+3, VertBase+1); AddTriangleHelper(DebugMeshData, VertBase+0, VertBase+1, VertBase+2); AddTriangleHelper(DebugMeshData, VertBase+2, VertBase+1, VertBase+3); VertBase += 2; Prev0 = Pt0; Prev1 = Pt1; } VertBase += 2; DebugMeshData.ClusterColor = SegColor; } if (DebugMeshData.Indices.Num()) { CurrentData->MeshBuilders.Add(DebugMeshData); } } } CurrentData->NavMeshGeometry.PolyEdges.Empty(); CurrentData->NavMeshGeometry.NavMeshEdges.Empty(); }
FDebugRenderSceneProxy* FGameplayDebuggerCategory_AI::CreateSceneProxy(const UPrimitiveComponent* InComponent) { class FPathDebugRenderSceneProxy : public FDebugRenderSceneProxy { public: FPathDebugRenderSceneProxy(const UPrimitiveComponent* InPrimitiveCComponent, const FString &InViewFlagName) : FDebugRenderSceneProxy(InPrimitiveCComponent) { DrawType = FDebugRenderSceneProxy::SolidAndWireMeshes; DrawAlpha = 90; ViewFlagName = InViewFlagName; ViewFlagIndex = uint32(FEngineShowFlags::FindIndexByName(*ViewFlagName)); } FPrimitiveViewRelevance GetViewRelevance(const FSceneView* View) const override { FPrimitiveViewRelevance Result; Result.bDrawRelevance = View->Family->EngineShowFlags.GetSingleFlag(ViewFlagIndex);// IsShown(View); Result.bDynamicRelevance = true; // ideally the TranslucencyRelevance should be filled out by the material, here we do it conservative Result.bSeparateTranslucencyRelevance = Result.bNormalTranslucencyRelevance = IsShown(View); return Result; } }; if (PathDataPack.PathCorridor.Num()) { TArray<FDebugRenderSceneProxy::FMesh> Meshes; TArray<FDebugRenderSceneProxy::FDebugLine> Lines; for (int32 Idx = 0; Idx < PathDataPack.PathCorridor.Num(); Idx++) { const FRepDataPath::FPoly& Poly = PathDataPack.PathCorridor[Idx]; if (Poly.Points.Num() > 2) { FDebugRenderSceneProxy::FMesh PolyMesh; PolyMesh.Vertices.Add(FDynamicMeshVertex(Poly.Points[0])); PolyMesh.Color = Poly.Color; for (int32 VertIdx = 2; VertIdx < Poly.Points.Num(); VertIdx++) { PolyMesh.Vertices.Add(FDynamicMeshVertex(Poly.Points[VertIdx - 1])); PolyMesh.Vertices.Add(FDynamicMeshVertex(Poly.Points[VertIdx])); PolyMesh.Indices.Add(0); PolyMesh.Indices.Add(PolyMesh.Vertices.Num() - 2); PolyMesh.Indices.Add(PolyMesh.Vertices.Num() - 1); } Meshes.Add(PolyMesh); } for (int32 VertIdx = 0; VertIdx < Poly.Points.Num(); VertIdx++) { Lines.Add(FDebugRenderSceneProxy::FDebugLine( Poly.Points[VertIdx], Poly.Points[(VertIdx + 1) % Poly.Points.Num()], Poly.Color, 2.0f)); } } const FString ViewFlagName = GetSceneProxyViewFlag(); FPathDebugRenderSceneProxy* DebugSceneProxy = new FPathDebugRenderSceneProxy(InComponent, ViewFlagName); DebugSceneProxy->Lines = Lines; DebugSceneProxy->Meshes = Meshes; return DebugSceneProxy; } return nullptr; }