/// <summary>
/// Imports the specified Quake 1 Map Format file.
/// </summary>
/// <param name="path">The file path.</param>
/// <returns>A <see cref="MapWorld"/> containing the imported world data.</returns>
public MapWorld Import(string path)
{
// create a new world.
MapWorld world = new MapWorld();
world.mapName = Path.GetFileNameWithoutExtension(path);
// open the file for reading. we use streams for additional performance.
// it's faster than File.ReadAllLines() as that requires two iterations.
using (FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read))
using (StreamReader reader = new StreamReader(stream))
{
// read all the lines from the file.
int depth = 0;
string line;
bool justEnteredClosure = false;
bool valveFormat = false;
string key;
object value;
MapBrush brush = null;
MapEntity entity = null;
while (!reader.EndOfStream)
{
line = reader.ReadLine().Trim();
//UnityEngine.Debug.Log("Line = " + line);
if (line.Length == 0)
{
continue;
}
// skip comments.
if (line[0] == '/')
{
continue;
}
// parse closures and keep track of them.
if (line[0] == '{')
{
depth++; justEnteredClosure = true;
//UnityEngine.Debug.Log($"Entered Closure Depth = {depth}");
continue;
}
if (line[0] == '}')
{
depth--;
//UnityEngine.Debug.Log($"Exited Closure Depth = {depth}");
continue;
}
// parse entity.
if (depth == 1)
{
// create a new entity and add it to the world.
if (justEnteredClosure)
{
entity = new MapEntity();
world.Entities.Add(entity);
}
// parse entity properties.
if (TryParsekeyValue(line, out key, out value))
{
switch (key)
{
case "mapversion":
var version = (int)value;
if (version == 220)
{
valveFormat = true;
world.valveFormat = adjustTexturesForValve;
}
//UnityEngine.Debug.Log($"mapversion = {version}");
break;
case "classname":
entity.ClassName = (string)value;
//UnityEngine.Debug.Log($"Classname = {entity.ClassName}");
break;
case "_tb_type":
entity.tbType = (string)value;
break;
case "_tb_name":
entity.tbName = (string)value;
break;
case "_tb_id":
entity.tbId = (int)value;
break;
case "_tb_layer":
entity.tbLayer = (int)value;
break;
case "_tb_layer_sort_index":
entity.tbLayerSortIndex = (int)value;
break;
case "_tb_group":
entity.tbGroup = (int)value;
break;
}
}
}
// parse entity brush.
if (depth == 2)
{
// create a new brush and add it to the entity.
if (justEnteredClosure)
{
brush = new MapBrush();
entity.Brushes.Add(brush);
}
// parse brush sides.
MapBrushSide mapBrushSide;
if (TryParseBrushSide(line, out mapBrushSide, valveFormat))
{
brush.Sides.Add(mapBrushSide);
}
}
justEnteredClosure = false;
}
}
return(world);
}
/// <summary>
/// Imports the specified world into the RealtimeCSG.
/// </summary>
/// <param name="rootTransform">Transform to be parent of RealtimeCSG brushes</param>
/// <param name="world">The world to be imported.</param>
public static void Import(Transform rootTransform, MapWorld world)
{
try
{
//model.BeginUpdate();
// create a material searcher to associate materials automatically.
MaterialSearcher materialSearcher = new MaterialSearcher();
// group all the brushes together.
//GroupBrush groupBrush = new GameObject("Quake 1 Map").AddComponent<GroupBrush>();
//groupBrush.transform.SetParent(model.transform);
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);
//var worldSpawnModel = OperationsUtility.CreateModelInstanceInScene(defaultLayer);
//worldSpawnModel.name = "WorldSpawn";
//worldSpawnModel.transform.SetParent(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.Brushes.Count == 0)
{
continue;
}
var model = OperationsUtility.CreateModelInstanceInScene(brushParent);
var parent = model.transform;
if (isTrigger)
{
model.Settings = (model.Settings | ModelSettingsFlags.IsTrigger | ModelSettingsFlags.SetColliderConvex | ModelSettingsFlags.DoNotRender);
}
//GroupBrush entityGroup = new GameObject(entity.ClassName).AddComponent<GroupBrush>();
//entityGroup.transform.SetParent(groupBrush.transform);
// iterate through all entity solids.
for (int i = 0; i < entity.Brushes.Count; i++)
{
MapBrush brush = entity.Brushes[i];
#if UNITY_EDITOR
if (world.Entities[e].ClassName == "worldspawn")
{
UnityEditor.EditorUtility.DisplayProgressBar("RealtimeCSG: Importing Quake 1 Map", "Converting Quake 1 Brushes To RealtimeCSG Brushes (" + (i + 1) + " / " + entity.Brushes.Count + ")...", i / (float)entity.Brushes.Count);
}
#endif
// don't add triggers to the scene.
// Triggers will get placed in entity model now
//if (brush.Sides.Count > 0 && IsSpecialMaterial(brush.Sides[0].Material))
// continue;
var name = UnityEditor.GameObjectUtility.GetUniqueNameForSibling(parent, "Brush");
var gameObject = new GameObject(name);
var rcsgBrush = gameObject.AddComponent <CSGBrush>();
var t = gameObject.transform;
gameObject.transform.SetParent(parent, true);
gameObject.transform.position = new Vector3(0.5f, 0.5f, 0.5f); // this aligns it's vertices to the grid
// //BrushFactory.CreateCubeControlMesh(out brush.ControlMesh, out brush.Shape, Vector3.one);
var planes = new Plane[brush.Sides.Count];
var textureMatrices = new Matrix4x4[brush.Sides.Count];
var materials = new Material[brush.Sides.Count];
Debug.Log($"Brush sides {brush.Sides.Count}");
// Get planes for all sides of the brush
for (int j = 0; j < brush.Sides.Count; j++)
{
MapBrushSide side = brush.Sides[j];
var pa = t.transform.InverseTransformPoint(new Vector3(side.Plane.P1.X, side.Plane.P1.Z, side.Plane.P1.Y) / (float)s_Scale);
var pb = t.transform.InverseTransformPoint(new Vector3(side.Plane.P2.X, side.Plane.P2.Z, side.Plane.P2.Y) / (float)s_Scale);
var pc = t.transform.InverseTransformPoint(new Vector3(side.Plane.P3.X, side.Plane.P3.Z, side.Plane.P3.Y) / (float)s_Scale);
planes[j] = new Plane(pa, pb, pc);
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;
// try finding the texture name with '*' replaced by '#' so '#teleport'.
string materialName = side.Material.Replace("*", "#");
materials[j] = materialSearcher.FindMaterial(new string[] { materialName });
if (materials[j] == null)
{
materials[j] = CSGSettings.DefaultMaterial;
// Debug.Log("RealtimeCSG: Tried to find material '" + materialName + "' but it couldn't be found in the project.");
}
if (valveFormat)
{
// calculate the texture coordinates.
int w = 256;
int h = 256;
if (materials[j].mainTexture != null)
{
w = materials[j].mainTexture.width;
h = materials[j].mainTexture.height;
}
var uAxis = new VmfAxis(side.t1, side.Offset.X, side.Scale.X);
var vAxis = new VmfAxis(side.t2, side.Offset.Y, side.Scale.Y);
textureMatrices[j] = CalculateTextureCoordinates(planes[j], w, h, uAxis, vAxis);
}
}
bool controlMeshSuccess = true;
if (valveFormat)
{
controlMeshSuccess = BrushFactory.CreateControlMeshFromPlanes(out rcsgBrush.ControlMesh, out rcsgBrush.Shape, planes, null, null, materials, textureMatrices, TextureMatrixSpace.WorldSpace);
}
else
{
controlMeshSuccess = BrushFactory.CreateControlMeshFromPlanes(out rcsgBrush.ControlMesh, out rcsgBrush.Shape, planes, null, null, materials);
}
if (controlMeshSuccess)
{
for (int j = 0; j < brush.Sides.Count; j++)
{
MapBrushSide side = brush.Sides[j];
// calculate the texture coordinates.
int w = 32;
int h = 32;
if (materials[j].mainTexture != null)
{
w = materials[j].mainTexture.width;
h = materials[j].mainTexture.height;
}
var tScale = new Vector2(
SafeDivision((32.0f / w), side.Scale.X),
SafeDivision((32.0f / h), side.Scale.Y));
if (valveFormat)
{
// This shouldn't be needed due to setting texture matrix
rcsgBrush.Shape.TexGens[j].Scale = tScale;
rcsgBrush.Shape.TexGens[j].Translation.x = SafeDivision(side.Offset.X, w);
rcsgBrush.Shape.TexGens[j].Translation.y = SafeDivision(-side.Offset.Y, h);
//rcsgBrush.Shape.TexGens[j].RotationAngle += 180 + side.Rotation; // Textures often need to be flipped or rotated 180 to match
}
else
{
rcsgBrush.Shape.TexGens[j].Scale = tScale;
if (side.Offset.X != 0)
{
rcsgBrush.Shape.TexGens[j].Translation.x = side.Offset.X / Mathf.Max(w, float.Epsilon);
}
else
{
rcsgBrush.Shape.TexGens[j].Translation.x = 0;
}
if (side.Offset.Y != 0)
{
rcsgBrush.Shape.TexGens[j].Translation.y = side.Offset.Y / Mathf.Max(h, float.Epsilon);
}
else
{
rcsgBrush.Shape.TexGens[j].Translation.y = 0;
}
rcsgBrush.Shape.TexGens[j].RotationAngle = 180 + side.Rotation;
}
}
}
else
{
GameObject.DestroyImmediate(rcsgBrush.gameObject);
}
}
}
}
catch (Exception)
{
throw;
}
finally
{
InternalCSGModelManager.CheckForChanges();
InternalCSGModelManager.UpdateMeshes();
//model.EndUpdate();
}
#if UNITY_EDITOR
UnityEditor.EditorUtility.ClearProgressBar();
#endif
}