/// <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++)
{
// 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();
}
}
private const float inchesInMeters = 0.03125f; // 1/32
/// <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(CSGModel model, VmfWorld world)
{
try
{
model.BeginUpdate();
// group all the brushes together.
GroupBrush groupBrush = new GameObject("Source Engine Map").AddComponent <GroupBrush>();
groupBrush.transform.SetParent(model.transform);
// iterate through all world solids.
for (int i = 0; i < world.Solids.Count; i++)
{
#if UNITY_EDITOR
UnityEditor.EditorUtility.DisplayProgressBar("SabreCSG: Importing Source Engine Map", "Converting Hammer Solids To SabreCSG Brushes (" + (i + 1) + " / " + world.Solids.Count + ")...", i / (float)world.Solids.Count);
#endif
VmfSolid solid = world.Solids[i];
// don't add triggers to the scene.
if (solid.Sides.Count > 0 && IsSpecialMaterial(solid.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 = solid.Sides.Count; j-- > 0;)
{
VmfSolidSide side = solid.Sides[j];
Plane clip = new Plane(pr.transform.InverseTransformPoint(new Vector3(side.Plane.P1.X, side.Plane.P1.Z, side.Plane.P1.Y) * inchesInMeters), pr.transform.InverseTransformPoint(new Vector3(side.Plane.P2.X, side.Plane.P2.Z, side.Plane.P2.Y) * inchesInMeters), pr.transform.InverseTransformPoint(new Vector3(side.Plane.P3.X, side.Plane.P3.Z, side.Plane.P3.Y) * inchesInMeters));
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 == 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;
}
// try finding the material in the project.
polygon.Material = FindMaterial(side.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, side.UAxis, side.VAxis);
}
}
// add the brush to the group.
pr.transform.SetParent(groupBrush.transform);
}
// iterate through all entities.
for (int e = 0; e < world.Entities.Count; e++)
{
#if UNITY_EDITOR
UnityEditor.EditorUtility.DisplayProgressBar("SabreCSG: Importing Source Engine Map", "Converting Hammer Entities To SabreCSG Brushes (" + (e + 1) + " / " + world.Entities.Count + ")...", e / (float)world.Entities.Count);
#endif
VmfEntity entity = world.Entities[e];
// skip entities that sabrecsg can't handle.
switch (entity.ClassName)
{
case "func_areaportal":
case "func_areaportalwindow":
case "func_capturezone":
case "func_changeclass":
case "func_combine_ball_spawner":
case "func_dustcloud":
case "func_dustmotes":
case "func_nobuild":
case "func_nogrenades":
case "func_occluder":
case "func_precipitation":
case "func_proprespawnzone":
case "func_regenerate":
case "func_respawnroom":
case "func_smokevolume":
case "func_viscluster":
continue;
}
// iterate through all entity solids.
for (int i = 0; i < entity.Solids.Count; i++)
{
VmfSolid solid = entity.Solids[i];
// don't add triggers to the scene.
if (solid.Sides.Count > 0 && IsSpecialMaterial(solid.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 = solid.Sides.Count; j-- > 0;)
{
VmfSolidSide side = solid.Sides[j];
Plane clip = new Plane(pr.transform.InverseTransformPoint(new Vector3(side.Plane.P1.X, side.Plane.P1.Z, side.Plane.P1.Y) * inchesInMeters), pr.transform.InverseTransformPoint(new Vector3(side.Plane.P2.X, side.Plane.P2.Z, side.Plane.P2.Y) * inchesInMeters), pr.transform.InverseTransformPoint(new Vector3(side.Plane.P3.X, side.Plane.P3.Z, side.Plane.P3.Y) * inchesInMeters));
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 == 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;
}
// try finding the material in the project.
polygon.Material = FindMaterial(side.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, side.UAxis, side.VAxis);
}
}
// detail brushes that do not affect the CSG world.
if (entity.ClassName == "func_detail")
{
pr.IsNoCSG = true;
}
// collision only brushes.
if (entity.ClassName == "func_vehicleclip")
{
pr.IsVisible = false;
}
// add the brush to the group.
pr.transform.SetParent(groupBrush.transform);
}
}
#if UNITY_EDITOR
UnityEditor.EditorUtility.ClearProgressBar();
#endif
}
catch (Exception)
{
throw;
}
finally
{
model.EndUpdate();
}
}