/// <summary>
/// Imports the specified Unreal Text file.
/// </summary>
/// <param name="path">The file path.</param>
/// <returns>A <see cref="T3dMap"/> containing the imported map data.</returns>
public T3dMap Import(string path)
{
// create a new map.
T3dMap map = new T3dMap();
// 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.
bool inActor = false; T3dActor actor = null;
bool inBrush = false; T3dBrush brush = null;
bool inPolygon = false; T3dPolygon polygon = null;
string line;
while (!reader.EndOfStream)
{
line = reader.ReadLine().Trim();
// if we currently parsing an actor:
if (inActor)
{
if (!inBrush)
{
// if we done parsing the actor:
if (line == "End Actor")
{
inActor = false;
continue;
}
// try parsing an actor property.
string key;
object value;
if (TryParseProperty(line, out key, out value))
{
actor.Properties.Add(key, value);
}
// make sure we detect brush declarations:
if (line.StartsWith("Begin Brush"))
{
// read the properties of the brush.
var properties = ParseKeyValuePairs(line);
if (properties.ContainsKey("Name"))
{
// this is a valid brush model that can be parsed further.
inBrush = true;
// create a new brush model and add it to the map.
brush = new T3dBrush(properties["Name"]);
map.BrushModels.Add(brush);
continue;
}
}
}
// we are currently parsing a brush:
else
{
// if we done parsing the brush:
if (line == "End Brush")
{
inBrush = false;
continue;
}
if (!inPolygon)
{
// make sure we detect brush polygon declarations:
if (line.StartsWith("Begin Polygon"))
{
inPolygon = true;
// create a new brush polygon and add it to the brush.
polygon = new T3dPolygon();
brush.Polygons.Add(polygon);
// read the properties of the brush polygon.
var properties = ParseKeyValuePairs(line);
if (properties.ContainsKey("Item"))
{
polygon.Item = properties["Item"];
}
if (properties.ContainsKey("Texture"))
{
polygon.Texture = properties["Texture"];
}
if (properties.ContainsKey("Flags"))
{
polygon.Flags = (T3dPolygonFlags)Int32.Parse(properties["Flags"]);
}
}
}
// we are currently parsing a brush polygon:
else
{
// if we done parsing the brush polygon:
if (line == "End Polygon")
{
inPolygon = false;
continue;
}
if (line.StartsWith("Origin"))
{
polygon.Origin = ParsePolygonVector(line);
}
if (line.StartsWith("Normal"))
{
polygon.Normal = ParsePolygonVector(line);
}
if (line.StartsWith("TextureU"))
{
polygon.TextureU = ParsePolygonVector(line);
}
if (line.StartsWith("TextureV"))
{
polygon.TextureV = ParsePolygonVector(line);
}
if (line.StartsWith("Pan"))
{
int u, v;
ParsePolygonUV(line, out u, out v);
polygon.PanU = u;
polygon.PanV = v;
}
if (line.StartsWith("Vertex"))
{
polygon.Vertices.Add(ParsePolygonVector(line));
}
}
}
}
// if we are looking for another begin declaration:
else
{
// if we are going to parse an actor:
if (line.StartsWith("Begin Actor"))
{
// read the properties of the actor.
var properties = ParseKeyValuePairs(line);
if (properties.ContainsKey("Class") && properties.ContainsKey("Name"))
{
// this is a valid actor that can be parsed further.
inActor = true;
// create a new actor and add it to the map.
actor = new T3dActor(map, properties["Class"], properties["Name"]);
map.Actors.Add(actor);
continue;
}
}
}
}
}
// return the map data.
return(map);
}
/// <summary>
/// Imports the specified map into the SabreCSG model.
/// </summary>
/// <param name="model">The model to import into.</param>
/// <param name="map">The map to be imported.</param>
/// <param name="scale">The scale modifier.</param>
public static void Import(CSGModelBase model, T3dMap map, int scale = 64)
{
try
{
model.BeginUpdate();
// create a material searcher to associate materials automatically.
MaterialSearcher materialSearcher = new MaterialSearcher();
List <T3dActor> brushes = map.Brushes;
Brush[] sabreBrushes = new Brush[brushes.Count];
// iterate through all brush actors.
for (int k = 0; k < brushes.Count; k++)
{
// get the underlying brush data.
T3dActor tactor = brushes[k];
T3dBrush tbrush = tactor.Brush;
#if UNITY_EDITOR
UnityEditor.EditorUtility.DisplayProgressBar("SabreCSG: Importing Unreal Gold Map", "Converting Unreal Brushes To SabreCSG Brushes (" + (k + 1) + " / " + brushes.Count + ")...", k / (float)brushes.Count);
#endif
// iterate through the brush polygons.
Polygon[] polygons = new Polygon[tbrush.Polygons.Count];
for (int i = 0; i < tbrush.Polygons.Count; i++)
{
T3dPolygon tpolygon = tbrush.Polygons[i];
// find the material in the unity project automatically.
Material material = null;
if (!string.IsNullOrEmpty(tpolygon.Texture))
{
if (tpolygon.Texture.Contains('.'))
{
// try finding both 'PlayrShp.Ceiling.Hullwk' and 'Hullwk'.
string tiny = tpolygon.Texture.Substring(tpolygon.Texture.LastIndexOf('.') + 1);
material = materialSearcher.FindMaterial(new string[] { tpolygon.Texture, tiny });
if (material == null)
{
Debug.Log("SabreCSG: Tried to find material '" + tpolygon.Texture + "' and also as '" + tiny + "' but it couldn't be found in the project.");
}
}
else
{
// only try finding 'Hullwk'.
material = materialSearcher.FindMaterial(new string[] { tpolygon.Texture });
if (material == null)
{
Debug.Log("SabreCSG: Tried to find material '" + tpolygon.Texture + "' but it couldn't be found in the project.");
}
}
}
Vertex[] vertices = new Vertex[tpolygon.Vertices.Count];
for (int j = 0; j < tpolygon.Vertices.Count; j++)
{
// main-scale
// scale around pivot point.
Vector3 vertexPosition = ToVector3(tpolygon.Vertices[j]);
Vector3 pivot = ToVector3(tactor.PrePivot);
Vector3 difference = vertexPosition - pivot;
vertexPosition = difference.Multiply(ToVector3Raw(tactor.MainScale)) + pivot;
// post-scale
vertices[j] = new Vertex(vertexPosition.Multiply(ToVector3Raw(tactor.PostScale)) / (float)scale, ToVector3(tpolygon.Normal), GenerateUV(tpolygon, j, material));
}
// detect the polygon flags.
bool userExcludeFromFinal = false;
if ((tpolygon.Flags & T3dPolygonFlags.Invisible) > 0)
{
userExcludeFromFinal = true;
}
polygons[i] = new Polygon(vertices, material, false, userExcludeFromFinal);
}
// position and rotate the brushes around their pivot point.
Transform transform = model.CreateCustomBrush(polygons).transform;
transform.position = (ToVector3(tactor.Location) / (float)scale) - (ToVector3(tactor.PrePivot) / (float)scale);
Vector3 axis;
float angle;
T3dRotatorToQuaternion(tactor.Rotation).ToAngleAxis(out angle, out axis);
transform.RotateAround(transform.position + (ToVector3(tactor.PrePivot) / (float)scale), axis, angle);
PrimitiveBrush brush = transform.GetComponent <PrimitiveBrush>();
sabreBrushes[k] = brush;
object value;
// detect the brush mode (additive, subtractive).
if (tactor.Properties.TryGetValue("CsgOper", out value))
{
brush.Mode = (string)value == "CSG_Add" ? CSGMode.Add : CSGMode.Subtract;
}
// detect special brush flags.
if (tactor.Properties.TryGetValue("PolyFlags", out value))
{
T3dBrushFlags flags = (T3dBrushFlags)value;
if ((flags & T3dBrushFlags.Invisible) > 0)
{
brush.IsVisible = false;
}
if ((flags & T3dBrushFlags.NonSolid) > 0)
{
brush.HasCollision = false;
}
if ((flags & T3dBrushFlags.SemiSolid) > 0)
{
brush.IsNoCSG = true;
}
}
// detect single polygons.
if (polygons.Length == 1)
{
brush.IsNoCSG = true;
}
}
// add all new brushes to a group.
string title = "Unreal Gold Map";
if (map.Title != "")
{
title += " '" + map.Title + "'";
}
if (map.Author != "")
{
title += " (" + map.Author + ")";
}
GroupBrush groupBrush = new GameObject(title).AddComponent <GroupBrush>();
groupBrush.transform.SetParent(model.transform);
for (int i = 0; i < sabreBrushes.Length; i++)
{
sabreBrushes[i].transform.SetParent(groupBrush.transform);
}
#if UNITY_EDITOR
UnityEditor.EditorUtility.ClearProgressBar();
#endif
}
catch (Exception)
{
throw;
}
finally
{
model.EndUpdate();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="T3dActor"/> class.
/// </summary>
/// <param name="class">The class of the actor.</param>
/// <param name="name">The name of the actor.</param>
public T3dActor(T3dMap map, string @class, string name)
{
m_T3dMap = map;
Class = @class;
Name = name;
}
/// <summary>
/// Imports the specified map into the SabreCSG model.
/// </summary>
/// <param name="model">The model to import into.</param>
/// <param name="map">The map to be imported.</param>
/// <param name="scale">The scale modifier.</param>
public static void Import(CSGModel model, T3dMap map, int scale = 64)
{
try
{
model.BeginUpdate();
List <T3dActor> brushes = map.Brushes;
Brush[] sabreBrushes = new Brush[brushes.Count];
// iterate through all brush actors.
for (int k = 0; k < brushes.Count; k++)
{
// get the underlying brush data.
T3dActor tactor = brushes[k];
T3dBrush tbrush = tactor.Brush;
#if UNITY_EDITOR
UnityEditor.EditorUtility.DisplayProgressBar("SabreCSG: Importing Unreal Gold Map", "Converting Unreal Brushes To SabreCSG Brushes (" + (k + 1) + " / " + brushes.Count + ")...", k / (float)brushes.Count);
#endif
// iterate through the brush polygons.
Polygon[] polygons = new Polygon[tbrush.Polygons.Count];
for (int i = 0; i < tbrush.Polygons.Count; i++)
{
T3dPolygon tpolygon = tbrush.Polygons[i];
// find the material in the unity project automatically.
Material material = FindMaterial(tpolygon.Texture);
Vertex[] vertices = new Vertex[tpolygon.Vertices.Count];
for (int j = 0; j < tpolygon.Vertices.Count; j++)
{
vertices[j] = new Vertex(ToVector3(tpolygon.Vertices[j]) / (float)scale, ToVector3(tpolygon.Normal), GenerateUV(tpolygon, j, material));
}
// detect the polygon flags.
bool userExcludeFromFinal = false;
if ((tpolygon.Flags & T3dPolygonFlags.Invisible) > 0)
{
userExcludeFromFinal = true;
}
polygons[i] = new Polygon(vertices, material, false, userExcludeFromFinal);
}
// position and rotate the brushes.
Transform transform = model.CreateCustomBrush(polygons).transform;
transform.position = (ToVector3(tactor.Location) / (float)scale) - (ToVector3(tactor.PrePivot) / (float)scale);
Vector3 axis;
float angle;
T3dRotatorToQuaternion(tactor.Rotation).ToAngleAxis(out angle, out axis);
transform.RotateAround(transform.position + (ToVector3(tactor.PrePivot) / (float)scale), axis, angle);
PrimitiveBrush brush = transform.GetComponent <PrimitiveBrush>();
sabreBrushes[k] = brush;
object value;
// detect the brush mode (additive, subtractive).
if (tactor.Properties.TryGetValue("CsgOper", out value))
{
brush.Mode = (string)value == "CSG_Add" ? CSGMode.Add : CSGMode.Subtract;
}
// detect special brush flags.
if (tactor.Properties.TryGetValue("PolyFlags", out value))
{
T3dBrushFlags flags = (T3dBrushFlags)value;
if ((flags & T3dBrushFlags.Invisible) > 0)
{
brush.IsVisible = false;
}
if ((flags & T3dBrushFlags.NonSolid) > 0)
{
brush.HasCollision = false;
}
if ((flags & T3dBrushFlags.SemiSolid) > 0)
{
brush.IsNoCSG = true;
}
}
// detect single polygons.
if (polygons.Length == 1)
{
brush.IsNoCSG = true;
}
}
// add all new brushes to a group.
string title = "Unreal Gold Map";
if (map.Title != "")
{
title += " '" + map.Title + "'";
}
if (map.Author != "")
{
title += " (" + map.Author + ")";
}
GroupBrush groupBrush = new GameObject(title).AddComponent <GroupBrush>();
groupBrush.transform.SetParent(model.transform);
for (int i = 0; i < sabreBrushes.Length; i++)
{
sabreBrushes[i].transform.SetParent(groupBrush.transform);
}
#if UNITY_EDITOR
UnityEditor.EditorUtility.ClearProgressBar();
#endif
}
catch (Exception)
{
throw;
}
finally
{
model.EndUpdate();
}
}
