/// <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(CSGModelBase model, 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);
// iterate through all entities.
for (int e = 0; e < world.Entities.Count; e++)
{
#if UNITY_EDITOR
UnityEditor.EditorUtility.DisplayProgressBar("SabreCSG: Importing Quake 1 Map", "Converting Quake 1 Entities To SabreCSG Brushes (" + (e + 1) + " / " + world.Entities.Count + ")...", e / (float)world.Entities.Count);
#endif
MapEntity entity = world.Entities[e];
// 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("SabreCSG: Importing Quake 1 Map", "Converting Quake 1 Brushes To SabreCSG Brushes (" + (i + 1) + " / " + entity.Brushes.Count + ")...", i / (float)entity.Brushes.Count);
}
#endif
// don't add triggers to the scene.
if (brush.Sides.Count > 0 && IsSpecialMaterial(brush.Sides[0].Material))
{
continue;
}
// build a very large cube brush.
var go = model.CreateBrush(PrimitiveBrushType.Cube, Vector3.zero);
var pr = go.GetComponent <PrimitiveBrush>();
BrushUtility.Resize(pr, new Vector3(8192, 8192, 8192));
// clip all the sides out of the brush.
for (int j = brush.Sides.Count; j-- > 0;)
{
MapBrushSide side = brush.Sides[j];
Plane clip = new Plane(pr.transform.InverseTransformPoint(new Vector3(side.Plane.P1.X, side.Plane.P1.Z, side.Plane.P1.Y) / (float)s_Scale), pr.transform.InverseTransformPoint(new Vector3(side.Plane.P2.X, side.Plane.P2.Z, side.Plane.P2.Y) / (float)s_Scale), pr.transform.InverseTransformPoint(new Vector3(side.Plane.P3.X, side.Plane.P3.Z, side.Plane.P3.Y) / (float)s_Scale));
ClipUtility.ApplyClipPlane(pr, clip, false);
// find the polygons associated with the clipping plane.
// the normal is unique and can never occur twice as that wouldn't allow the solid to be convex.
var polygons = pr.GetPolygons().Where(p => p.Plane.normal.EqualsWithEpsilonLower3(clip.normal));
foreach (var polygon in polygons)
{
// 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;
// try finding the texture name with '*' replaced by '#' so '#teleport'.
string materialName = side.Material.Replace("*", "#");
material = materialSearcher.FindMaterial(new string[] { materialName });
if (material == null)
{
Debug.Log("SabreCSG: Tried to find material '" + materialName + "' but it couldn't be found in the project.");
}
polygon.Material = material;
// calculate the texture coordinates.
int w = 256;
int h = 256;
if (polygon.Material != null && polygon.Material.mainTexture != null)
{
w = polygon.Material.mainTexture.width;
h = polygon.Material.mainTexture.height;
}
CalculateTextureCoordinates(pr, polygon, w, h, new Vector2(side.Offset.X, -side.Offset.Y), new Vector2(side.Scale.X, side.Scale.Y), side.Rotation);
}
}
// add the brush to the group.
pr.transform.SetParent(groupBrush.transform);
}
}
#if UNITY_EDITOR
UnityEditor.EditorUtility.ClearProgressBar();
#endif
}
catch (Exception)
{
throw;
}
finally
{
model.EndUpdate();
}
}
/// <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();
// 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))
using (StreamReader reader = new StreamReader(stream))
{
// read all the lines from the file.
int depth = 0;
string line;
bool justEnteredClosure = false;
string key;
object value;
MapBrush brush = null;
MapEntity entity = null;
while (!reader.EndOfStream)
{
line = reader.ReadLine().Trim();
if (line.Length == 0)
{
continue;
}
// skip comments.
if (line[0] == '/')
{
continue;
}
// parse closures and keep track of them.
if (line[0] == '{')
{
depth++; justEnteredClosure = true; continue;
}
if (line[0] == '}')
{
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 "classname": entity.ClassName = (string)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))
{
brush.Sides.Add(mapBrushSide);
}
}
justEnteredClosure = false;
}
}
return(world);
}
