/// <summary>
        /// Tries the parse a brush side line.
        /// </summary>
        /// <param name="line">The line to be parsed.</param>
        /// <param name="mapBrushSide">The map brush side or null.</param>
        /// <returns>True if successful else false.</returns>
        private bool TryParseBrushSide(string line, out MapBrushSide mapBrushSide, bool valveFormat)
        {
            if (valveFormat)
            {
                return(TryParseBrushSideValve(line, out mapBrushSide));
            }

            mapBrushSide = new MapBrushSide();

            // detect brush side definition.
            if (line[0] == '(')
            {
                string[] values = line.Replace("(", "").Replace(")", "").Replace("  ", " ").Replace("  ", " ").Trim().Split(' ');
                if (values.Length != 15)
                {
                    return(false);
                }

                try
                {
                    MapVector3 p1 = new MapVector3(float.Parse(values[0], CultureInfo.InvariantCulture), float.Parse(values[1], CultureInfo.InvariantCulture), float.Parse(values[2], CultureInfo.InvariantCulture));
                    MapVector3 p2 = new MapVector3(float.Parse(values[3], CultureInfo.InvariantCulture), float.Parse(values[4], CultureInfo.InvariantCulture), float.Parse(values[5], CultureInfo.InvariantCulture));
                    MapVector3 p3 = new MapVector3(float.Parse(values[6], CultureInfo.InvariantCulture), float.Parse(values[7], CultureInfo.InvariantCulture), float.Parse(values[8], CultureInfo.InvariantCulture));

                    var tex1Vec = new UnityEngine.Vector3(p1.X, p1.Y, p1.Z).normalized;
                    var tex2Vec = new UnityEngine.Vector3(p3.X, p3.Y, p3.Z).normalized;

                    mapBrushSide.t1 = new MapVector3(tex1Vec.x, tex1Vec.y, tex1Vec.z);
                    mapBrushSide.t2 = new MapVector3(tex2Vec.x, tex2Vec.y, tex2Vec.z);

                    mapBrushSide.Plane    = new MapPlane(p1, p2, p3);
                    mapBrushSide.Material = values[9];
                    mapBrushSide.Offset   = new MapVector2(float.Parse(values[10], CultureInfo.InvariantCulture), float.Parse(values[11], CultureInfo.InvariantCulture));
                    mapBrushSide.Rotation = float.Parse(values[12], CultureInfo.InvariantCulture);
                    mapBrushSide.Scale    = new MapVector2(float.Parse(values[13], CultureInfo.InvariantCulture), float.Parse(values[14], CultureInfo.InvariantCulture));
                }
                catch (Exception)
                {
                    throw new Exception("Encountered invalid brush side. The format of the map file must be slightly different, please open an issue on github if you think you did everything right.");
                }

                return(true);
            }

            return(false);
        }
        private bool TryParseBrushSideValve(string line, out MapBrushSide mapBrushSide)
        {
            mapBrushSide = new MapBrushSide();

            // detect brush side definition.
            if (line[0] == '(')
            {
                string[] values = line.Replace("(", "").Replace(")", "").Replace("[", "").Replace("]", "").Replace("  ", " ").Replace("  ", " ").Trim().Split(' ');

                //UnityEngine.Debug.Log($"Values Length = {values.Length}");

                if (values.Length != 21)
                {
                    return(false);
                }

                try
                {
                    MapVector3 p1 = new MapVector3(float.Parse(values[0], CultureInfo.InvariantCulture), float.Parse(values[1], CultureInfo.InvariantCulture), float.Parse(values[2], CultureInfo.InvariantCulture));
                    MapVector3 p2 = new MapVector3(float.Parse(values[3], CultureInfo.InvariantCulture), float.Parse(values[4], CultureInfo.InvariantCulture), float.Parse(values[5], CultureInfo.InvariantCulture));
                    MapVector3 p3 = new MapVector3(float.Parse(values[6], CultureInfo.InvariantCulture), float.Parse(values[7], CultureInfo.InvariantCulture), float.Parse(values[8], CultureInfo.InvariantCulture));
                    mapBrushSide.Plane    = new MapPlane(p1, p2, p3);
                    mapBrushSide.Material = values[9];

                    mapBrushSide.t1 = new MapVector3(float.Parse(values[10], CultureInfo.InvariantCulture), float.Parse(values[11], CultureInfo.InvariantCulture), float.Parse(values[12], CultureInfo.InvariantCulture));
                    mapBrushSide.t2 = new MapVector3(float.Parse(values[14], CultureInfo.InvariantCulture), float.Parse(values[15], CultureInfo.InvariantCulture), float.Parse(values[16], CultureInfo.InvariantCulture));

                    mapBrushSide.Offset   = new MapVector2(float.Parse(values[13], CultureInfo.InvariantCulture), float.Parse(values[17], CultureInfo.InvariantCulture));
                    mapBrushSide.Rotation = float.Parse(values[18], CultureInfo.InvariantCulture);
                    mapBrushSide.Scale    = new MapVector2(float.Parse(values[19], CultureInfo.InvariantCulture), float.Parse(values[20], CultureInfo.InvariantCulture));
                }
                catch (Exception)
                {
                    throw new Exception("Encountered invalid brush side. The format of the map file must be slightly different, please open an issue on github if you think you did everything right.");
                }

                return(true);
            }

            return(false);
        }
Example #3
0
        /// <summary>
        /// Imports the specified world into the SabreCSG model.
        /// </summary>
        /// <param name="model">The model to import into.</param>
        /// <param name="world">The world to be imported.</param>
        /// <param name="scale">The scale modifier.</param>
        public static void Import(Transform rootTransform, MapWorld world)
        {
            _conversionScale = 1.0f / _Scale;

            // create a material searcher to associate materials automatically.
            MaterialSearcher materialSearcher = new MaterialSearcher();

            var mapTransform = CreateGameObjectWithUniqueName(world.mapName, rootTransform);

            mapTransform.position = Vector3.zero;

            // Index of entities by trenchbroom id
            var entitiesById = new Dictionary <int, EntityContainer>();

            var layers = new List <EntityContainer>();

            for (int e = 0; e < world.Entities.Count; e++)
            {
                var entity = world.Entities[e];

                //EntityContainer eContainer = null;

                if (entity.tbId >= 0)
                {
                    var name       = String.IsNullOrEmpty(entity.tbName) ? "Unnamed" : entity.tbName;
                    var t          = CreateGameObjectWithUniqueName(name, mapTransform);
                    var eContainer = new EntityContainer(t, entity);
                    entitiesById.Add(entity.tbId, eContainer);

                    if (entity.tbType == "_tb_layer")
                    {
                        layers.Add(eContainer);
                        eContainer.transform.SetParent(null); // unparent until layers are sorted by sort index
                    }
                }
            }

            var defaultLayer = CreateGameObjectWithUniqueName("Default Layer", mapTransform);

            layers = layers.OrderBy(l => l.entity.tbLayerSortIndex).ToList(); // sort layers by layer sort index

            foreach (var l in layers)
            {
                l.transform.SetParent(mapTransform); // parent layers to map in order
            }

            bool valveFormat = world.valveFormat;

            // iterate through all entities.
            for (int e = 0; e < world.Entities.Count; e++)
            {
#if UNITY_EDITOR
                UnityEditor.EditorUtility.DisplayProgressBar("Importing Quake 1 Map", "Converting Quake 1 Entities To Brushes (" + (e + 1) + " / " + world.Entities.Count + ")...", e / (float)world.Entities.Count);
#endif
                MapEntity entity = world.Entities[e];

                Transform brushParent = mapTransform;

                bool isLayer   = false;
                bool isTrigger = false;

                if (entity.ClassName == "worldspawn")
                {
                    brushParent = defaultLayer;
                }
                else if (entity.tbType == "_tb_layer")
                {
                    isLayer = true;
                    if (entitiesById.TryGetValue(entity.tbId, out EntityContainer eContainer))
                    {
                        brushParent = eContainer.transform;
                    }
                }
                else if (entity.tbType == "_tb_group")
                {
                    if (entitiesById.TryGetValue(entity.tbId, out EntityContainer eContainer))
                    {
                        brushParent = eContainer.transform;
                    }
                }
                else
                {
                    if (entity.ClassName.Contains("trigger"))
                    {
                        isTrigger = true;
                    }

                    brushParent = CreateGameObjectWithUniqueName(entity.ClassName, mapTransform);
                }

                if (brushParent != mapTransform && brushParent != defaultLayer)
                {
                    if (entity.tbGroup > 0)
                    {
                        if (entitiesById.TryGetValue(entity.tbGroup, out EntityContainer eContainer))
                        {
                            brushParent.SetParent(eContainer.transform);
                        }
                    }
                    else if (entity.tbLayer > 0)
                    {
                        if (entitiesById.TryGetValue(entity.tbLayer, out EntityContainer eContainer))
                        {
                            brushParent.SetParent(eContainer.transform);
                        }
                    }
                    else if (!isLayer)
                    {
                        brushParent.SetParent(defaultLayer);
                    }
                }

                //if(entity.)

                if (entity.Brushes.Count == 0)
                {
                    continue;
                }

                var model = ChiselModelManager.CreateNewModel(brushParent);
                // var model = OperationsUtility.CreateModelInstanceInScene(brushParent);
                var parent = model.transform;

                if (isTrigger)
                {
                    //model.Settings = (model.Settings | ModelSettingsFlags.IsTrigger | ModelSettingsFlags.SetColliderConvex | ModelSettingsFlags.DoNotRender);
                }

                // iterate through all entity brushes.
                for (int i = 0; i < entity.Brushes.Count; i++)
                {
                    MapBrush brush = entity.Brushes[i];


                    // build a very large cube brush.
                    ChiselBrush go = ChiselComponentFactory.Create <ChiselBrush>(model);
                    go.definition.surfaceDefinition = new ChiselSurfaceDefinition();
                    go.definition.surfaceDefinition.EnsureSize(6);
                    BrushMesh brushMesh = new BrushMesh();
                    go.definition.brushOutline = brushMesh;
                    BrushMeshFactory.CreateBox(ref brushMesh, new Vector3(-4096, -4096, -4096), new Vector3(4096, 4096, 4096), in go.definition.surfaceDefinition);

                    // prepare for uv calculations of clip planes after cutting.
                    var planes        = new float4[brush.Sides.Count];
                    var planeSurfaces = new ChiselSurface[brush.Sides.Count];

                    // compute all the sides of the brush that will be clipped.
                    for (int j = brush.Sides.Count; j-- > 0;)
                    {
                        MapBrushSide side = brush.Sides[j];

                        // detect excluded polygons.
                        //if (IsExcludedMaterial(side.Material))
                        //polygon.UserExcludeFromFinal = true;
                        // detect collision-only brushes.
                        //if (IsInvisibleMaterial(side.Material))
                        //pr.IsVisible = false;

                        // find the material in the unity project automatically.
                        Material material;

                        string materialName = side.Material.Replace("*", "#");
                        material = materialSearcher.FindMaterial(new string[] { materialName });
                        if (material == null)
                        {
                            material = ChiselMaterialManager.DefaultFloorMaterial;
                        }

                        // create chisel surface for the clip.
                        ChiselSurface surface = new ChiselSurface();
                        surface.brushMaterial      = ChiselBrushMaterial.CreateInstance(material, ChiselMaterialManager.DefaultPhysicsMaterial);
                        surface.surfaceDescription = SurfaceDescription.Default;

                        // detect collision-only polygons.
                        if (IsInvisibleMaterial(side.Material))
                        {
                            surface.brushMaterial.LayerUsage &= ~LayerUsageFlags.RenderReceiveCastShadows;
                        }
                        // detect excluded polygons.
                        if (IsExcludedMaterial(side.Material))
                        {
                            surface.brushMaterial.LayerUsage &= LayerUsageFlags.CastShadows;
                            surface.brushMaterial.LayerUsage |= LayerUsageFlags.Collidable;
                        }

                        // calculate the clipping planes.
                        Plane clip = new Plane(go.transform.InverseTransformPoint(new Vector3(side.Plane.P1.X, side.Plane.P1.Z, side.Plane.P1.Y) * _conversionScale), go.transform.InverseTransformPoint(new Vector3(side.Plane.P2.X, side.Plane.P2.Z, side.Plane.P2.Y) * _conversionScale), go.transform.InverseTransformPoint(new Vector3(side.Plane.P3.X, side.Plane.P3.Z, side.Plane.P3.Y) * _conversionScale));
                        planes[j]        = new float4(clip.normal, clip.distance);
                        planeSurfaces[j] = surface;
                    }

                    // cut all the clipping planes out of the brush in one go.
                    brushMesh.Cut(planes, planeSurfaces);

                    // now iterate over the planes to calculate UV coordinates.
                    int[] indices = new int[brush.Sides.Count];
                    for (int k = 0; k < planes.Length; k++)
                    {
                        var   plane           = planes[k];
                        int   closestIndex    = 0;
                        float closestDistance = math.lengthsq(plane - brushMesh.planes[0]);
                        for (int j = 1; j < brushMesh.planes.Length; j++)
                        {
                            float testDistance = math.lengthsq(plane - brushMesh.planes[j]);
                            if (testDistance < closestDistance)
                            {
                                closestIndex    = j;
                                closestDistance = testDistance;
                            }
                        }
                        indices[k] = closestIndex;
                    }

                    for (int j = 0; j < indices.Length; j++)
                    {
                        brushMesh.planes[indices[j]] = planes[j];
                    }

                    for (int j = brush.Sides.Count; j-- > 0;)
                    {
                        MapBrushSide side = brush.Sides[j];

                        var surface  = brushMesh.polygons[indices[j]].surface;
                        var material = surface.brushMaterial.RenderMaterial;

                        // calculate the texture coordinates.
                        int w = 256;
                        int h = 256;
                        if (material.mainTexture != null)
                        {
                            w = material.mainTexture.width;
                            h = material.mainTexture.height;
                        }
                        var clip = new Plane(planes[j].xyz, planes[j].w);

                        if (world.valveFormat)
                        {
                            var uAxis = new VmfAxis(side.t1, side.Offset.X, side.Scale.X);
                            var vAxis = new VmfAxis(side.t2, side.Offset.Y, side.Scale.Y);
                            CalculateTextureCoordinates(go, surface, clip, w, h, uAxis, vAxis);
                        }
                        else
                        {
                            if (GetTextureAxises(clip, out MapVector3 t1, out MapVector3 t2))
                            {
                                var uAxis = new VmfAxis(t1, side.Offset.X, side.Scale.X);
                                var vAxis = new VmfAxis(t2, side.Offset.Y, side.Scale.Y);
                                CalculateTextureCoordinates(go, surface, clip, w, h, uAxis, vAxis);
                            }
                        }
                    }

                    try
                    {
                        // finalize the brush by snapping planes and centering the pivot point.
                        go.transform.position += brushMesh.CenterAndSnapPlanes();
                    }
                    catch
                    {
                        // Brush failed, destroy brush
                        GameObject.DestroyImmediate(go);
                    }
                }
            }

#if UNITY_EDITOR
            UnityEditor.EditorUtility.ClearProgressBar();
#endif
        }