コード例 #1
0
ファイル: BspLoader.cs プロジェクト: raiker/BulletSharp
        public bool LoadBspFile(Stream buffer)
        {
            BinaryReader reader = new BinaryReader(buffer);

            BspLump[] lumps = new BspLump[17];


            // read header
            string id = Encoding.ASCII.GetString(reader.ReadBytes(4), 0, 4);
            int version = reader.ReadInt32();

            if (id != "IBSP" || version != 0x2E)
                return false;

            for (int i = 0; i < lumps.Length; i++)
            {
                lumps[i].Offset = reader.ReadInt32();
                lumps[i].Length = reader.ReadInt32();
            }


            // read brushes
            buffer.Position = lumps[(int)BspLumpType.Brushes].Offset;
            int length = lumps[(int)BspLumpType.Brushes].Length / Marshal.SizeOf(typeof(BspBrush));
            Brushes = new BspBrush[length];

            for (int i = 0; i < length; i++)
            {
                Brushes[i].FirstSide = reader.ReadInt32();
                Brushes[i].NumSides = reader.ReadInt32();
                Brushes[i].ShaderNum = reader.ReadInt32();
            }

            // read brush sides
            buffer.Position = lumps[(int)BspLumpType.BrushSides].Offset;
            length = lumps[(int)BspLumpType.BrushSides].Length / Marshal.SizeOf(typeof(BspBrushSide));
            BrushSides = new BspBrushSide[length];

            for (int i = 0; i < length; i++)
            {
                BrushSides[i].PlaneNum = reader.ReadInt32();
                BrushSides[i].ShaderNum = reader.ReadInt32();
            }


            // read entities
            Entities = new List<BspEntity>();
            buffer.Position = lumps[(int)BspLumpType.Entities].Offset;
            length = lumps[(int)BspLumpType.Entities].Length;
            
            byte[] entityBytes = new byte[length];
            reader.Read(entityBytes, 0, length);

            string entityString = Encoding.ASCII.GetString(entityBytes);
            string[] entityStrings = entityString.Split('\n');

            BspEntity bspEntity = null;
            foreach (string entity in entityStrings)
            {
                switch (entity)
                {
                    case "\0":
                        continue;

                    case "{":
                        bspEntity = new BspEntity();
                        break;

                    case "}":
                        Entities.Add(bspEntity);
                        break;

                    default:
                        string[] keyValue = entity.Trim('\"').Split(new string[] { "\" \"" }, 2, 0);
                        if (keyValue[0] == "classname")
                        {
                            bspEntity.ClassName = keyValue[1];
                        }
                        else if (keyValue[0] == "origin")
                        {
                            string[] originStrings = keyValue[1].Split(' ');
                            bspEntity.Origin = new Vector3(
                                float.Parse(originStrings[0], CultureInfo.InvariantCulture),
                                float.Parse(originStrings[1], CultureInfo.InvariantCulture),
                                float.Parse(originStrings[2], CultureInfo.InvariantCulture));
                        }
                        else
                        {
                            bspEntity.KeyValues.Add(keyValue[0], keyValue[1]);
                        }
                        break;
                }
            }
            

            // read leaves
            buffer.Position = lumps[(int)BspLumpType.Leaves].Offset;
            length = lumps[(int)BspLumpType.Leaves].Length / Marshal.SizeOf(typeof(BspLeaf));
            Leaves = new BspLeaf[length];

            for (int i = 0; i < length; i++ )
            {
                Leaves[i].Cluster = reader.ReadInt32();
                Leaves[i].Area = reader.ReadInt32();

                //Swap Y and Z; invert Z
                Leaves[i].Min.X = reader.ReadInt32();
                Leaves[i].Min.Z = -reader.ReadInt32();
                Leaves[i].Min.Y = reader.ReadInt32();

                //Swap Y and Z; invert Z
                Leaves[i].Max.X = reader.ReadInt32();
                Leaves[i].Max.Z = -reader.ReadInt32();
                Leaves[i].Max.Y = reader.ReadInt32();

                Leaves[i].FirstLeafFace = reader.ReadInt32();
                Leaves[i].NumLeafFaces = reader.ReadInt32();
                Leaves[i].FirstLeafBrush = reader.ReadInt32();
                Leaves[i].NumLeafBrushes = reader.ReadInt32();
            }


            // read leaf brushes
            buffer.Position = lumps[(int)BspLumpType.LeafBrushes].Offset;
            length = lumps[(int)BspLumpType.LeafBrushes].Length / sizeof(int);
            LeafBrushes = new int[length];

            for (int i = 0; i < length; i++)
            {
                LeafBrushes[i] = reader.ReadInt32();
            }


            // read planes
            buffer.Position = lumps[(int)BspLumpType.Planes].Offset;
            length = lumps[(int)BspLumpType.Planes].Length / Marshal.SizeOf(typeof(BspPlane));
            Planes = new BspPlane[length];

            for (int i = 0; i < length; i++)
            {
                Planes[i].Normal.X = reader.ReadSingle();
                Planes[i].Normal.Y = reader.ReadSingle();
                Planes[i].Normal.Z = reader.ReadSingle();
                Planes[i].Distance = reader.ReadSingle();
            }


            // read shaders
            Shaders = new List<BspShader>();
            buffer.Position = lumps[(int)BspLumpType.Shaders].Offset;
            length = lumps[(int)BspLumpType.Shaders].Length;

            for (int i = 0; i < length; i += (64 + 2 * sizeof(int)))
            {
                BspShader shader = new BspShader();
                byte[] shaderBytes = new byte[64];
                reader.Read(shaderBytes, 0, 64);
                shader.Shader = Encoding.ASCII.GetString(shaderBytes);
                shader.SurfaceFlags = reader.ReadInt32();
                shader.ContentFlags = (ContentFlags)reader.ReadInt32();
                Shaders.Add(shader);
            }


            return true;
        }
コード例 #2
0
ファイル: BspLoader.cs プロジェクト: WebFreak001/BulletSharp
        public bool LoadBspFile(Stream buffer)
        {
            BinaryReader reader = new BinaryReader(buffer);


            // read header
            string id = Encoding.ASCII.GetString(reader.ReadBytes(4), 0, 4);
            int version = reader.ReadInt32();

            if (id != "IBSP" && id != "VBSP")
                return false;

            int nHeaderLumps;

            if (id == "IBSP")
            {
                if (version != 0x2E)
                {
                    return false;
                }
                nHeaderLumps = 17;
            }
            else// if (id == "VBSP")
            {
                if (version != 0x14)
                {
                    return false;
                }
                nHeaderLumps = 64;
                IsVbsp = true;
            }

            BspLump[] lumps = new BspLump[nHeaderLumps];
            for (int i = 0; i < lumps.Length; i++)
            {
                lumps[i].Offset = reader.ReadInt32();
                lumps[i].Length = reader.ReadInt32();
                if (IsVbsp)
                {
                    reader.ReadInt32(); // lump format version
                    reader.ReadInt32(); // lump ident code
                }
            }


            // read brushes
            int lumpHeaderOffset = IsVbsp ? (int)VBspLumpType.Brushes : (int)IBspLumpType.Brushes;
            buffer.Position = lumps[lumpHeaderOffset].Offset;
            int length = lumps[lumpHeaderOffset].Length / Marshal.SizeOf(typeof(BspBrush));
            Brushes = new BspBrush[length];

            for (int i = 0; i < length; i++)
            {
                Brushes[i].FirstSide = reader.ReadInt32();
                Brushes[i].NumSides = reader.ReadInt32();
                Brushes[i].ShaderNum = reader.ReadInt32();
            }

            // read brush sides
            lumpHeaderOffset = IsVbsp ? (int)VBspLumpType.BrushSides : (int)IBspLumpType.BrushSides;
            buffer.Position = lumps[lumpHeaderOffset].Offset;
            length = lumps[lumpHeaderOffset].Length / Marshal.SizeOf(typeof(BspBrushSide));
            BrushSides = new BspBrushSide[length];

            for (int i = 0; i < length; i++)
            {
                if (IsVbsp)
                {
                    BrushSides[i].PlaneNum = reader.ReadUInt16();
                    reader.ReadInt16(); // texinfo
                    BrushSides[i].ShaderNum = reader.ReadInt16();
                    reader.ReadInt16(); // bevel
                }
                else
                {
                    BrushSides[i].PlaneNum = reader.ReadInt32();
                    BrushSides[i].ShaderNum = reader.ReadInt32();
                }
            }


            // read entities
            Entities = new List<BspEntity>();
            buffer.Position = lumps[(int)IBspLumpType.Entities].Offset;
            length = lumps[(int)IBspLumpType.Entities].Length;

            byte[] entityBytes = new byte[length];
            reader.Read(entityBytes, 0, length);

            string entityString = Encoding.ASCII.GetString(entityBytes);
            string[] entityStrings = entityString.Split('\n');

            BspEntity bspEntity = null;
            foreach (string entity in entityStrings)
            {
                switch (entity)
                {
                    case "\0":
                        continue;

                    case "{":
                        bspEntity = new BspEntity();
                        break;

                    case "}":
                        Entities.Add(bspEntity);
                        break;

                    default:
                        string[] keyValue = entity.Trim('\"').Split(new[] { "\" \"" }, 2, 0);
                        switch (keyValue[0])
                        {
                            case "classname":
                                bspEntity.ClassName = keyValue[1];
                                break;
                            case "origin":
                                string[] originStrings = keyValue[1].Split(' ');
                                bspEntity.Origin = new Vector3(
                                    float.Parse(originStrings[0], CultureInfo.InvariantCulture),
                                    float.Parse(originStrings[1], CultureInfo.InvariantCulture),
                                    float.Parse(originStrings[2], CultureInfo.InvariantCulture));
                                break;
                            default:
                                if (!bspEntity.KeyValues.ContainsKey(keyValue[0]))
                                {
                                    if (keyValue.Length == 1)
                                    {
                                        bspEntity.KeyValues.Add(keyValue[0], "");
                                    }
                                    else
                                    {
                                        bspEntity.KeyValues.Add(keyValue[0], keyValue[1]);
                                    }
                                }
                                break;
                        }
                        break;
                }
            }


            // read leaves
            lumpHeaderOffset = IsVbsp ? (int)VBspLumpType.Leafs : (int)IBspLumpType.Leaves;
            buffer.Position = lumps[lumpHeaderOffset].Offset;
            length = lumps[lumpHeaderOffset].Length;
            length /= IsVbsp ? 32 : Marshal.SizeOf(typeof(BspLeaf));
            Leaves = new BspLeaf[length];

            for (int i = 0; i < length; i++)
            {
                if (IsVbsp)
                {
                    reader.ReadInt32(); // contents

                    Leaves[i].Cluster = reader.ReadInt16();
                    Leaves[i].Area = reader.ReadInt16();

                    //Swap Y and Z; invert Z
                    Leaves[i].Min.X = reader.ReadInt16();
                    Leaves[i].Min.Z = -reader.ReadInt16();
                    Leaves[i].Min.Y = reader.ReadInt16();

                    //Swap Y and Z; invert Z
                    Leaves[i].Max.X = reader.ReadInt16();
                    Leaves[i].Max.Z = -reader.ReadInt16();
                    Leaves[i].Max.Y = reader.ReadInt16();

                    Leaves[i].FirstLeafFace = reader.ReadUInt16();
                    Leaves[i].NumLeafFaces = reader.ReadUInt16();
                    Leaves[i].FirstLeafBrush = reader.ReadUInt16();
                    Leaves[i].NumLeafBrushes = reader.ReadUInt16();

                    reader.ReadInt16(); // leafWaterDataID
                    //reader.ReadInt16(); // ambientLighting
                    //reader.ReadSByte(); // ambientLighting
                    reader.ReadInt16(); // padding
                }
                else
                {
                    Leaves[i].Cluster = reader.ReadInt32();
                    Leaves[i].Area = reader.ReadInt32();

                    //Swap Y and Z; invert Z
                    Leaves[i].Min.X = reader.ReadInt32();
                    Leaves[i].Min.Z = -reader.ReadInt32();
                    Leaves[i].Min.Y = reader.ReadInt32();

                    //Swap Y and Z; invert Z
                    Leaves[i].Max.X = reader.ReadInt32();
                    Leaves[i].Max.Z = -reader.ReadInt32();
                    Leaves[i].Max.Y = reader.ReadInt32();

                    Leaves[i].FirstLeafFace = reader.ReadInt32();
                    Leaves[i].NumLeafFaces = reader.ReadInt32();
                    Leaves[i].FirstLeafBrush = reader.ReadInt32();
                    Leaves[i].NumLeafBrushes = reader.ReadInt32();
                }
            }


            // read leaf brushes
            lumpHeaderOffset = IsVbsp ? (int)VBspLumpType.LeafBrushes : (int)IBspLumpType.LeafBrushes;
            buffer.Position = lumps[lumpHeaderOffset].Offset;
            length = lumps[lumpHeaderOffset].Length;
            length /= IsVbsp ? sizeof(short) : sizeof(int);
            LeafBrushes = new int[length];

            for (int i = 0; i < length; i++)
            {
                if (IsVbsp)
                {
                    LeafBrushes[i] = reader.ReadInt16();
                }
                else
                {
                    LeafBrushes[i] = reader.ReadInt32();
                }
            }


            // read planes
            lumpHeaderOffset = IsVbsp ? (int)VBspLumpType.Planes : (int)IBspLumpType.Planes;
            buffer.Position = lumps[lumpHeaderOffset].Offset;
            length = lumps[lumpHeaderOffset].Length;
            length /= IsVbsp ? (Marshal.SizeOf(typeof(BspPlane)) + sizeof(int)) : Marshal.SizeOf(typeof(BspPlane));
            Planes = new BspPlane[length];

            for (int i = 0; i < length; i++)
            {
                Planes[i].Normal.X = reader.ReadSingle();
                Planes[i].Normal.Y = reader.ReadSingle();
                Planes[i].Normal.Z = reader.ReadSingle();
                Planes[i].Distance = reader.ReadSingle();
                if (IsVbsp)
                {
                    reader.ReadInt32(); // type
                }
            }


            if (!IsVbsp)
            {
                // read shaders
                Shaders = new List<BspShader>();
                buffer.Position = lumps[(int)IBspLumpType.Shaders].Offset;
                length = lumps[(int)IBspLumpType.Shaders].Length / (64 + 2 * sizeof(int));

                byte[] shaderBytes = new byte[64];
                for (int i = 0; i < length; i++)
                {
                    BspShader shader = new BspShader();
                    reader.Read(shaderBytes, 0, 64);
                    shader.Shader = Encoding.ASCII.GetString(shaderBytes, 0, Array.IndexOf(shaderBytes, (byte)0));
                    shader.SurfaceFlags = reader.ReadInt32();
                    shader.ContentFlags = (ContentFlags)reader.ReadInt32();
                    Shaders.Add(shader);
                }
            }

            return true;
        }