/// <summary> /// Creates a CollisionModel bsp from a Scenario StructureBsp. /// This does not work for sbsps with > 65536 planes, which use a /// larger encoding for their bsp related structs differing from the /// struct used in common with collision model bsps. /// </summary> /// <returns></returns> public static BSP fromSbsp(ScenarioStructureBsp sbsp, OpenTagCache info) { // Need to work out how to do that class attribute enumeration thing // so all of this folds down to < 10 lines BSP bsp = fromSbspInit(sbsp); var resource = sbsp.Resource3; var resourceManager = new ResourceDataManager(); try { resourceManager.LoadCachesFromDirectory(info.CacheFile.DirectoryName); } catch { Console.WriteLine("Unable to load the resource .dat files."); Console.WriteLine("Make sure that they all exist and are valid."); } //Create a binary reader for the resource Stream stream = new MemoryStream(); resourceManager.Extract(sbsp.Resource3, stream); BinaryReader reader = new BinaryReader(stream); reader.BaseStream.Position = 0; Console.WriteLine("Stream position: {0:X8}", reader.BaseStream.Position); for (int i = 0; i < bsp.Bsp3dNodes.Count; ++i) { BSP.Bsp3dNode node = new BSP.Bsp3dNode(); node.Plane = reader.ReadInt16(); node.BackChildLower = reader.ReadByte(); node.BackChildMid = reader.ReadByte(); node.BackChildUpper = reader.ReadByte(); node.FrontChildLower = reader.ReadByte(); node.FrontChildMid = reader.ReadByte(); node.FrontChildUpper = reader.ReadByte(); bsp.Bsp3dNodes[i] = node; } //Align to the next multiple of 16 reader.BaseStream.Position = -((-reader.BaseStream.Position) & ~0xf); Console.WriteLine("Stream position: {0:X8}", reader.BaseStream.Position); for (int i = 0; i < bsp.Planes.Count; ++i) { BSP.Plane plane = new BSP.Plane(); plane.PlaneI = reader.ReadSingle(); plane.PlaneJ = reader.ReadSingle(); plane.PlaneK = reader.ReadSingle(); plane.PlaneD = reader.ReadSingle(); bsp.Planes[i] = plane; } //Put here for consistency reader.BaseStream.Position = -((-reader.BaseStream.Position) & ~0xf); Console.WriteLine("Stream position: {0:X8}", reader.BaseStream.Position); for (int i = 0; i < bsp.Leaves.Count; ++i) { BSP.Leaf leaf = new BSP.Leaf(); leaf.Flags = reader.ReadInt16(); leaf.Bsp2dReferenceCount = reader.ReadInt16(); leaf.Unknown = reader.ReadInt16(); leaf.FirstBsp2dReference = reader.ReadInt16(); bsp.Leaves[i] = leaf; } //Align to the next multiple of 16 reader.BaseStream.Position = -((-reader.BaseStream.Position) & ~0xf); Console.WriteLine("Stream position: {0:X8}", reader.BaseStream.Position); for (int i = 0; i < bsp.Bsp2dReferences.Count; ++i) { BSP.Bsp2dReference bsp2dref = new BSP.Bsp2dReference(); bsp2dref.Plane = reader.ReadInt16(); bsp2dref.Bsp2dNode = reader.ReadInt16(); bsp.Bsp2dReferences[i] = bsp2dref; } //Align to the next multiple of 16 reader.BaseStream.Position = -((-reader.BaseStream.Position) & ~0xf); Console.WriteLine("Stream position: {0:X8}", reader.BaseStream.Position); for (int i = 0; i < bsp.Bsp2dNodes.Count; ++i) { BSP.Bsp2dNode node = new BSP.Bsp2dNode(); node.PlaneI = reader.ReadSingle(); node.PlaneJ = reader.ReadSingle(); node.PlaneD = reader.ReadSingle(); node.LeftChild = reader.ReadInt16(); node.RightChild = reader.ReadInt16(); bsp.Bsp2dNodes[i] = node; } //Put here for consistency reader.BaseStream.Position = -((-reader.BaseStream.Position) & ~0xf); Console.WriteLine("Stream position: {0:X8}", reader.BaseStream.Position); for (int i = 0; i < bsp.Surfaces.Count; ++i) { BSP.Surface surface = new BSP.Surface(); surface.Plane = reader.ReadUInt16(); surface.FirstEdge = reader.ReadUInt16(); surface.Material = reader.ReadInt16(); surface.Unknown = reader.ReadInt16(); surface.BreakableSurface = reader.ReadInt16(); surface.Unknown2 = reader.ReadInt16(); bsp.Surfaces[i] = surface; } //Align to the next multiple of 16 reader.BaseStream.Position = -((-reader.BaseStream.Position) & ~0xf); Console.WriteLine("Stream position: {0:X8}", reader.BaseStream.Position); for (int i = 0; i < bsp.Edges.Count; ++i) { BSP.Edge edge = new BSP.Edge(); edge.StartVertex = reader.ReadUInt16(); edge.EndVertex = reader.ReadUInt16(); edge.ForwardEdge = reader.ReadUInt16(); edge.ReverseEdge = reader.ReadUInt16(); edge.LeftSurface = reader.ReadUInt16(); edge.RightSurface = reader.ReadUInt16(); bsp.Edges[i] = edge; } //Align to the next multiple of 16 reader.BaseStream.Position = -((-reader.BaseStream.Position) & ~0xf); Console.WriteLine("Stream position: {0:X8}", reader.BaseStream.Position); for (int i = 0; i < bsp.Vertices.Count; ++i) { BSP.Vertex vert = new BSP.Vertex(); vert.PointX = reader.ReadSingle(); vert.PointY = reader.ReadSingle(); vert.PointZ = reader.ReadSingle(); vert.FirstEdge = reader.ReadInt16(); vert.Unknown = reader.ReadInt16(); bsp.Vertices[i] = vert; } return bsp; }
/// <summary> /// Initialises a BSP with the correct number of elements for each /// of the eight lists. /// </summary> /// <param name="sbsp"></param> /// <returns></returns> private static BSP fromSbspInit(ScenarioStructureBsp sbsp) { BSP bsp = new BSP(); //Resource 3 of the sbsp tag has bsp data var resource = sbsp.Resource3; BinaryReader rsrcDef = new BinaryReader(new MemoryStream(resource.DefinitionData)); //The position in the resource definition for the number of bsp3dnodes rsrcDef.BaseStream.Position = 0; //set initial size (not capacity) to the number read from the reader bsp.Bsp3dNodes = new List<BSP.Bsp3dNode>(new BSP.Bsp3dNode[rsrcDef.ReadInt32()]); Console.WriteLine("{0} Bsp3dNodes", bsp.Bsp3dNodes.Count); //Position for number of planes rsrcDef.BaseStream.Position = 12; bsp.Planes = new List<BSP.Plane>(new BSP.Plane[rsrcDef.ReadInt32()]); Console.WriteLine("{0} Planes", bsp.Planes.Count); //Position for number of leaves rsrcDef.BaseStream.Position = 24; bsp.Leaves = new List<BSP.Leaf>(new BSP.Leaf[rsrcDef.ReadInt32()]); Console.WriteLine("{0} Leaves", bsp.Leaves.Count); //Position for number of bsp2dreferences rsrcDef.BaseStream.Position = 36; bsp.Bsp2dReferences = new List<BSP.Bsp2dReference>(new BSP.Bsp2dReference[rsrcDef.ReadInt32()]); Console.WriteLine("{0} Bsp2dReferences", bsp.Bsp2dReferences.Count); //Position for number of bsp2dnodes rsrcDef.BaseStream.Position = 48; bsp.Bsp2dNodes = new List<BSP.Bsp2dNode>(new BSP.Bsp2dNode[rsrcDef.ReadInt32()]); Console.WriteLine("{0} Bsp2dNodes", bsp.Bsp2dNodes.Count); //Position for number of surfaces rsrcDef.BaseStream.Position = 60; bsp.Surfaces = new List<BSP.Surface>(new BSP.Surface[rsrcDef.ReadInt32()]); Console.WriteLine("{0} Surfaces", bsp.Surfaces.Count); //Position for number of edges rsrcDef.BaseStream.Position = 72; bsp.Edges = new List<BSP.Edge>(new BSP.Edge[rsrcDef.ReadInt32()]); Console.WriteLine("{0} Edges", bsp.Edges.Count); //Position for number of vertices rsrcDef.BaseStream.Position = 84; bsp.Vertices = new List<BSP.Vertex>(new BSP.Vertex[rsrcDef.ReadInt32()]); Console.WriteLine("{0} Vertices", bsp.Vertices.Count); return bsp; }