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(CSGModelBase model, VmfWorld 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("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;
}
// find the material in the unity project automatically.
Material material;
// try finding the fully qualified texture name with '/' replaced by '.' so 'BRICK.BRICKWALL052D'.
string materialName = side.Material.Replace("/", ".");
if (materialName.Contains('.'))
{
// try finding both 'BRICK.BRICKWALL052D' and 'BRICKWALL052D'.
string tiny = materialName.Substring(materialName.LastIndexOf('.') + 1);
material = materialSearcher.FindMaterial(new string[] { materialName, tiny });
if (material == null)
{
Debug.Log("SabreCSG: Tried to find material '" + materialName + "' and also as '" + tiny + "' but it couldn't be found in the project.");
}
}
else
{
// only try finding 'BRICKWALL052D'.
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, 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;
}
// find the material in the unity project automatically.
Material material;
// try finding the fully qualified texture name with '/' replaced by '.' so 'BRICK.BRICKWALL052D'.
string materialName = side.Material.Replace("/", ".");
if (materialName.Contains('.'))
{
// try finding both 'BRICK.BRICKWALL052D' and 'BRICKWALL052D'.
string tiny = materialName.Substring(materialName.LastIndexOf('.') + 1);
material = materialSearcher.FindMaterial(new string[] { materialName, tiny });
if (material == null)
{
Debug.Log("SabreCSG: Tried to find material '" + materialName + "' and also as '" + tiny + "' but it couldn't be found in the project.");
}
}
else
{
// only try finding 'BRICKWALL052D'.
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, 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();
}
}
/// <summary>
/// Imports the specified Valve Map Format file.
/// </summary>
/// <param name="path">The file path.</param>
/// <returns>A <see cref="VmfWorld"/> containing the imported world data.</returns>
public VmfWorld Import(string path)
{
// create a new world.
VmfWorld world = new VmfWorld();
// 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[] closures = new string[64];
int depth = 0;
string line;
string previousLine = "";
bool justEnteredClosure = false;
string key;
object value;
VmfSolid solid = null;
VmfSolidSide solidSide = null;
VmfEntity entity = null;
while (!reader.EndOfStream)
{
line = reader.ReadLine().Trim();
if (line.Length == 0)
{
continue;
}
// parse closures and keep track of them.
if (line[0] == '{')
{
closures[depth] = previousLine; depth++; justEnteredClosure = true; continue;
}
if (line[0] == '}')
{
depth--; closures[depth] = null; continue;
}
// parse version info.
if (closures[0] == "versioninfo")
{
if (TryParsekeyValue(line, out key, out value))
{
switch (key)
{
case "editorversion": world.VersionInfoEditorVersion = (int)value; break;
case "editorbuild": world.VersionInfoEditorBuild = (int)value; break;
case "mapversion": world.VersionInfoMapVersion = (int)value; break;
case "formatversion": world.VersionInfoFormatVersion = (int)value; break;
case "prefab": world.VersionInfoPrefab = (int)value; break;
}
}
}
// parse view settings.
if (closures[0] == "viewsettings")
{
if (TryParsekeyValue(line, out key, out value))
{
switch (key)
{
case "bSnapToGrid": world.ViewSettingsSnapToGrid = (int)value; break;
case "bShowGrid": world.ViewSettingsShowGrid = (int)value; break;
case "bShowLogicalGrid": world.ViewSettingsShowLogicalGrid = (int)value; break;
case "nGridSpacing": world.ViewSettingsGridSpacing = (int)value; break;
case "bShow3DGrid": world.ViewSettingsShow3DGrid = (int)value; break;
}
}
}
// parse world properties.
if (closures[0] == "world" && closures[1] == null)
{
if (TryParsekeyValue(line, out key, out value))
{
switch (key)
{
case "id": world.Id = (int)value; break;
case "mapversion": world.MapVersion = (int)value; break;
case "classname": world.ClassName = (string)value; break;
case "detailmaterial": world.DetailMaterial = (string)value; break;
case "detailvbsp": world.DetailVBsp = (string)value; break;
case "maxpropscreenwidth": world.MaxPropScreenWidth = (int)value; break;
case "skyname": world.SkyName = (string)value; break;
}
}
}
// parse world solid.
if (closures[0] == "world" && closures[1] == "solid" && closures[2] == null)
{
// create a new solid and add it to the world.
if (justEnteredClosure)
{
solid = new VmfSolid();
world.Solids.Add(solid);
}
// parse solid properties.
if (TryParsekeyValue(line, out key, out value))
{
switch (key)
{
case "id": solid.Id = (int)value; break;
}
}
}
// parse world solid side.
if (closures[0] == "world" && closures[1] == "solid" && closures[2] == "side" && closures[3] == null)
{
// create a new solid side and add it to the solid.
if (justEnteredClosure)
{
solidSide = new VmfSolidSide();
solid.Sides.Add(solidSide);
}
// parse solid side properties.
if (TryParsekeyValue(line, out key, out value))
{
switch (key)
{
case "id": solidSide.Id = (int)value; break;
case "plane": solidSide.Plane = (VmfPlane)value; break;
case "material": solidSide.Material = (string)value; break;
//case "rotation": solidSide.Rotation = (float)value; break;
case "uaxis": solidSide.UAxis = (VmfAxis)value; break;
case "vaxis": solidSide.VAxis = (VmfAxis)value; break;
case "lightmapscale": solidSide.LightmapScale = (int)value; break;
case "smoothing_groups": solidSide.SmoothingGroups = (int)value; break;
}
}
}
// HACK: detect displacements.
if (closures[0] == "world" && closures[1] == "solid" && closures[2] == "side" && closures[3] == "dispinfo")
{
solidSide.HasDisplacement = true;
}
// parse entity.
if (closures[0] == "entity" && closures[1] == null)
{
// create a new entity and add it to the world.
if (justEnteredClosure)
{
entity = new VmfEntity();
world.Entities.Add(entity);
}
// parse entity properties.
if (TryParsekeyValue(line, out key, out value))
{
switch (key)
{
case "id": entity.Id = (int)value; break;
case "classname": entity.ClassName = (string)value; break;
}
}
}
// parse entity solid.
if (closures[0] == "entity" && closures[1] == "solid" && closures[2] == null)
{
// create a new solid and add it to the entity.
if (justEnteredClosure)
{
solid = new VmfSolid();
entity.Solids.Add(solid);
}
// parse solid properties.
if (TryParsekeyValue(line, out key, out value))
{
switch (key)
{
case "id": solid.Id = (int)value; break;
}
}
}
// parse entity solid side.
if (closures[0] == "entity" && closures[1] == "solid" && closures[2] == "side" && closures[3] == null)
{
// create a new solid side and add it to the solid.
if (justEnteredClosure)
{
solidSide = new VmfSolidSide();
solid.Sides.Add(solidSide);
}
// parse solid side properties.
if (TryParsekeyValue(line, out key, out value))
{
switch (key)
{
case "id": solidSide.Id = (int)value; break;
case "plane": solidSide.Plane = (VmfPlane)value; break;
case "material": solidSide.Material = (string)value; break;
//case "rotation": solidSide.Rotation = (float)value; break;
case "uaxis": solidSide.UAxis = (VmfAxis)value; break;
case "vaxis": solidSide.VAxis = (VmfAxis)value; break;
case "lightmapscale": solidSide.LightmapScale = (int)value; break;
case "smoothing_groups": solidSide.SmoothingGroups = (int)value; break;
}
}
}
previousLine = line;
justEnteredClosure = false;
}
}
return(world);
}
