public void AddNavMeshToWorld() { if (HasEngineInstance()) { EngineNavMesh.AddNavMeshToWorld(); } }
public override void RenderShape(VisionViewBase view, ShapeRenderMode mode) { if (HasEngineInstance() && FinalVisibleState == true) { EngineNavMesh.DebugRender(m_debugRenderOffset); } base.RenderShape(view, mode); }
public bool SaveNavMeshesToFile() { if (!HasEngineInstance()) { return(false); } if (m_navMeshFilename == null || m_navMeshFilename.Length == 0) { // autogenerate a name based on shape UniqueID // define navmesh directory relative to project string navMeshDirectoryRelativeToProjectDir = EditorManager.Scene.FileNameNoExt + ".NavMeshData\\"; // create directory if it doesn't exist string navMeshDirectoryAbsolute = Path.Combine(EditorManager.Project.ProjectDir, navMeshDirectoryRelativeToProjectDir); if (!Directory.Exists(navMeshDirectoryAbsolute)) { Directory.CreateDirectory(navMeshDirectoryAbsolute); } string fileName = String.Format("navmesh_{0:X}.hkt", UniqueID); // store filepath relative to project dir since project dir is one of the standard data directories that get searched for loading files later m_navMeshFilename = navMeshDirectoryRelativeToProjectDir + fileName; } bool success = EngineNavMesh.SetFilenameAndSaveNavMesh(m_navMeshFilename, EditorManager.Project.ProjectDir); if (success) { // call this since we change the filename. Modified = true; } return(success); }
public int GetNavMeshStructSize() { return(HasEngineInstance() ? EngineNavMesh.GetNavMeshStructSize() : 0); }
public int GetNavMeshVertexSize() { return(HasEngineInstance() ? EngineNavMesh.GetNavMeshVertexSize() : 0); }
public int GetNumNavMeshFaces() { return(HasEngineInstance() ? EngineNavMesh.GetNumNavMeshFaces() : 0); }
public bool Build(ShapeCollection staticGeometries, ref int numGeometryVertices, ref int numGeometryTriangles) { if (!HasEngineInstance()) { return(false); } EngineNavMesh.ClearNavMesh(); EngineNavMesh.ClearGeometry(); EngineNavMesh.ClearCarvers(); EngineNavMesh.ClearSeedPoints(); EngineNavMesh.ClearLocalSettings(); EngineNavMesh.ClearDecorationCapsules(); SetEngineInstanceBaseProperties(); HavokNavMeshGlobalSettings globalSettings = GetGlobalSettings(); if (globalSettings == null) { return(false); } BoundingBox parentZoneBbox = new BoundingBox(); if (globalSettings.RestrictToInputGeometryFromSameZone && ParentZone != null) { parentZoneBbox = ParentZone.CalculateBoundingBox(); } // check if there's a parent zone foreach (ShapeBase shape in staticGeometries) { // treat as cutter if flag is set and if in different zone bool potentiallyTreatAsCutter = globalSettings.RestrictToInputGeometryFromSameZone && (shape.ParentZone != ParentZone); if (shape is EntityShape) { EntityShape entity = shape as EntityShape; eNavMeshUsage usage = entity.GetNavMeshUsage(); // exclude entities that have a vHavokRigidBody component with "Motion Type" != "Fixed" ShapeComponentType compType = (ShapeComponentType)EditorManager.EngineManager.ComponentClassManager.GetCollectionType("vHavokRigidBody"); if (compType != null && entity.Components != null) { ShapeComponent comp = entity.Components.GetComponentByType(compType); if (comp != null) { string propValue = comp.GetPropertyValue("Motion Type") as string; if (string.Compare(propValue, "Fixed") != 0) { usage = eNavMeshUsage.ExcludeFromNavMesh; } } } // potentially override usage if (potentiallyTreatAsCutter && (usage == eNavMeshUsage.IncludeInNavMesh)) { usage = eNavMeshUsage.CutterOnly; } if (usage != eNavMeshUsage.ExcludeFromNavMesh) { EngineNavMesh.AddEntityGeometry(entity.EngineEntity.GetNativeObject(), (int)usage, parentZoneBbox); } } else if (shape is StaticMeshShape) { StaticMeshShape staticMesh = shape as StaticMeshShape; eNavMeshUsage usage = staticMesh.GetNavMeshUsage(); // potentially override usage if (potentiallyTreatAsCutter && (usage == eNavMeshUsage.IncludeInNavMesh)) { usage = eNavMeshUsage.CutterOnly; } if (usage != eNavMeshUsage.ExcludeFromNavMesh) { EngineNavMesh.AddStaticMeshGeometry(staticMesh.EngineMesh.GetNativeObject(), (int)usage, parentZoneBbox); } } else if (shape is TerrainShape) { TerrainShape terrain = shape as TerrainShape; eNavMeshUsage usage = terrain.GetNavMeshUsage(); // potentially override usage if (potentiallyTreatAsCutter && (usage == eNavMeshUsage.IncludeInNavMesh)) { usage = eNavMeshUsage.CutterOnly; } if (usage != eNavMeshUsage.ExcludeFromNavMesh) { EngineNavMesh.AddTerrainGeometry(terrain.EngineTerrain.GetNativeObject(), (int)usage, parentZoneBbox); } } #if !HK_ANARCHY else if (shape is DecorationGroupShape) { DecorationGroupShape decorationGroup = shape as DecorationGroupShape; // Please note that currently the native HavokAiEnginePlugin only supports decoration capsules as cutters. if (decorationGroup.GetNavMeshLimitedUsage() == DecorationGroupShape.eNavMeshLimitedUsage.CutterOnly) { EngineNavMesh.AddDecorationGroupCapsules(decorationGroup.EngineGroup.GetGroupsObject()); } } #endif #if USE_SPEEDTREE else if (shape is Speedtree6GroupShape) { Speedtree6GroupShape trees = shape as Speedtree6GroupShape; if (trees.EnableCollisions) { EngineNavMesh.AddSpeedTree6Capsules(trees.EngineGroup.GetGroupsObject()); } } #endif } numGeometryVertices = EngineNavMesh.GetNumGeometryVertices(); numGeometryTriangles = EngineNavMesh.GetNumGeometryTriangles(); // Add carvers ShapeCollection carvers = EditorManager.Scene.AllShapesOfType(typeof(HavokNavMeshCarverShape)); foreach (ShapeBase shape in carvers) { HavokNavMeshCarverShape carver = shape as HavokNavMeshCarverShape; BoundingBox localBbox = null; carver.GetLocalBoundingBox(ref localBbox); localBbox.vMin.X *= carver.ScaleX; localBbox.vMin.Y *= carver.ScaleY; localBbox.vMin.Z *= carver.ScaleZ; localBbox.vMax.X *= carver.ScaleX; localBbox.vMax.Y *= carver.ScaleY; localBbox.vMax.Z *= carver.ScaleZ; EngineNavMesh.AddBoxCarver(localBbox.vMin, localBbox.vMax, carver.Position, carver.RotationMatrix, carver.IsInverted()); } // Add seed points ShapeCollection seedPoints = EditorManager.Scene.AllShapesOfType(typeof(HavokNavMeshSeedPointShape)); foreach (ShapeBase shape in seedPoints) { HavokNavMeshSeedPointShape seedPoint = shape as HavokNavMeshSeedPointShape; EngineNavMesh.AddSeedPoint(seedPoint.Position); } // Add local settings ShapeCollection localSettings = EditorManager.Scene.AllShapesOfType(typeof(HavokNavMeshLocalSettingsShape)); foreach (ShapeBase shape in localSettings) { HavokNavMeshLocalSettingsShape ls = shape as HavokNavMeshLocalSettingsShape; BoundingBox bbox = null; ls.GetLocalBoundingBox(ref bbox); bbox.vMin.X *= ls.ScaleX; bbox.vMin.Y *= ls.ScaleY; bbox.vMin.Z *= ls.ScaleZ; bbox.vMax.X *= ls.ScaleX; bbox.vMax.Y *= ls.ScaleY; bbox.vMax.Z *= ls.ScaleZ; // Nav Mesh Generation Settings EngineNavMesh.m_maxWalkableSlope = ls.MaxWalkableSlope / 180.0f * 3.14159f; // Nav Mesh Edge Matching Settings EngineNavMesh.m_maxStepHeight = ls.MaxStepHeight; EngineNavMesh.m_maxSeparation = ls.MaxSeparation; EngineNavMesh.m_maxOverhang = ls.MaxOverhang; EngineNavMesh.m_cosPlanarAlignmentAngle = (float)Math.Cos(ls.PlanarAlignmentAngle / 180.0f * 3.14159f); EngineNavMesh.m_cosVerticalAlignmentAngle = (float)Math.Cos(ls.VerticalAlignmentAngle / 180.0f * 3.14159f); EngineNavMesh.m_minEdgeOverlap = ls.MinEdgeOverlap; // Nav Mesh Simplification Settings EngineNavMesh.m_maxBorderSimplifyArea = ls.MaxBorderSimplifyArea; EngineNavMesh.m_maxConcaveBorderSimplifyArea = ls.MaxConcaveBorderSimplifyArea; EngineNavMesh.m_useHeightPartitioning = ls.UseHeightPartitioning; EngineNavMesh.m_maxPartitionHeightError = ls.MaxPartitionHeightError; // Nav Mesh Simplification Settings (Advanced) EngineNavMesh.m_minCorridorWidth = ls.MinCorridorWidth; EngineNavMesh.m_maxCorridorWidth = ls.MaxCorridorWidth; EngineNavMesh.m_holeReplacementArea = ls.HoleReplacementArea; EngineNavMesh.m_maxLoopShrinkFraction = ls.MaxLoopShrinkFraction; EngineNavMesh.m_maxBorderHeightError = ls.MaxBorderHeightError; EngineNavMesh.m_maxBorderDistanceError = ls.MaxBorderDistanceError; EngineNavMesh.m_maxPartitionSize = ls.MaxPartitionSize; EngineNavMesh.m_useConservativeHeightPartitioning = ls.UseConservativeHeightPartitioning; EngineNavMesh.m_hertelMehlhornHeightError = ls.HertelMehlhornHeightError; EngineNavMesh.m_cosPlanarityThreshold = (float)Math.Cos(ls.PlanarityThreshold / 180 * 3.14159f); EngineNavMesh.m_nonconvexityThreshold = ls.NonconvexityThreshold; EngineNavMesh.m_boundaryEdgeFilterThreshold = ls.BoundaryEdgeFilterThreshold; EngineNavMesh.m_maxSharedVertexHorizontalError = ls.MaxSharedVertexHorizontalError; EngineNavMesh.m_maxSharedVertexVerticalError = ls.MaxSharedVertexVerticalError; EngineNavMesh.m_maxBoundaryVertexHorizontalError = ls.MaxBoundaryVertexHorizontalError; EngineNavMesh.m_maxBoundaryVertexVerticalError = ls.MaxBoundaryVertexVerticalError; EngineNavMesh.m_mergeLongestEdgesFirst = ls.MergeLongestEdgesFirst; EngineNavMesh.AddLocalSettings(bbox.vMin, bbox.vMax, ls.Position, ls.RotationMatrix); } // todo: figure out how to pass class instances between here and EngineNavMesh. // basically the settings members of EngineNavMesh are reused for transferring the local settings to // EngineNavMesh. this should be harmless due to the following call which will revert any changes. SetEngineInstanceBaseProperties(); string fullSnapshotPath = Path.Combine(CSharpFramework.EditorManager.Scene.Project.ProjectDir, m_snapshotFilename); bool ret = EngineNavMesh.BuildNavMeshFromGeometry(m_saveInputSnapshot, fullSnapshotPath); EngineNavMesh.ClearGeometry(); EngineNavMesh.ClearCarvers(); EngineNavMesh.ClearSeedPoints(); EngineNavMesh.ClearLocalSettings(); EngineNavMesh.ClearDecorationCapsules(); return(ret); }