private static void CalculateTextureCoordinates(ChiselBrush pr, ChiselSurface surface, Plane clip, int textureWidth, int textureHeight, VmfAxis UAxis, VmfAxis VAxis)
{
var localToPlaneSpace = (Matrix4x4)MathExtensions.GenerateLocalToPlaneSpaceMatrix(new float4(clip.normal, clip.distance));
var planeSpaceToLocal = (Matrix4x4)math.inverse(localToPlaneSpace);
UAxis.Translation %= textureWidth;
VAxis.Translation %= textureHeight;
if (UAxis.Translation < -textureWidth / 2f)
{
UAxis.Translation += textureWidth;
}
if (VAxis.Translation < -textureHeight / 2f)
{
VAxis.Translation += textureHeight;
}
var scaleX = textureWidth * UAxis.Scale * _conversionScale;
var scaleY = textureHeight * VAxis.Scale * _conversionScale;
var uoffset = Vector3.Dot(Vector3.zero, new Vector3(UAxis.Vector.X, UAxis.Vector.Z, UAxis.Vector.Y)) + (UAxis.Translation / textureWidth);
var voffset = Vector3.Dot(Vector3.zero, new Vector3(VAxis.Vector.X, VAxis.Vector.Z, VAxis.Vector.Y)) + (VAxis.Translation / textureHeight);
var uVector = new Vector4(UAxis.Vector.X / scaleX, UAxis.Vector.Z / scaleX, UAxis.Vector.Y / scaleX, uoffset);
var vVector = new Vector4(VAxis.Vector.X / scaleY, VAxis.Vector.Z / scaleY, VAxis.Vector.Y / scaleY, voffset);
var uvMatrix = new UVMatrix(uVector, -vVector);
var matrix = uvMatrix.ToMatrix();
matrix = matrix * planeSpaceToLocal;
surface.surfaceDescription.UV0 = new UVMatrix(matrix);
}
public static void RemapPolygonSelection(ChiselBrush generator, int[] polygonRemap)
{
if (polygonRemap == null)
{
return;
}
var selection = ChiselTopologySelectionManager.Selection[generator][0];
selection.RemapPolygonSelection(polygonRemap);
}
public static void RemapEdgeSelection(ChiselBrush generator, int[] edgeRemap)
{
if (edgeRemap == null)
{
return;
}
var selection = ChiselTopologySelectionManager.Selection[generator][0];
selection.RemapEdgeSelection(edgeRemap);
}
public static void RemapVertexSelection(ChiselBrush generator, int[] vertexRemap)
{
if (vertexRemap == null)
{
return;
}
var selection = ChiselTopologySelectionManager.Selection[generator][0];
selection.RemapVertexSelection(vertexRemap);
}
/// <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(Transform rootTransform, MapWorld world)
{
_conversionScale = 1.0f / _Scale;
// create a material searcher to associate materials automatically.
MaterialSearcher materialSearcher = new MaterialSearcher();
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);
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.)
if (entity.Brushes.Count == 0)
{
continue;
}
var model = ChiselModelManager.CreateNewModel(brushParent);
// var model = OperationsUtility.CreateModelInstanceInScene(brushParent);
var parent = model.transform;
if (isTrigger)
{
//model.Settings = (model.Settings | ModelSettingsFlags.IsTrigger | ModelSettingsFlags.SetColliderConvex | ModelSettingsFlags.DoNotRender);
}
// iterate through all entity brushes.
for (int i = 0; i < entity.Brushes.Count; i++)
{
MapBrush brush = entity.Brushes[i];
// build a very large cube brush.
ChiselBrush go = ChiselComponentFactory.Create <ChiselBrush>(model);
go.definition.surfaceDefinition = new ChiselSurfaceDefinition();
go.definition.surfaceDefinition.EnsureSize(6);
BrushMesh brushMesh = new BrushMesh();
go.definition.brushOutline = brushMesh;
BrushMeshFactory.CreateBox(ref brushMesh, new Vector3(-4096, -4096, -4096), new Vector3(4096, 4096, 4096), in go.definition.surfaceDefinition);
// prepare for uv calculations of clip planes after cutting.
var planes = new float4[brush.Sides.Count];
var planeSurfaces = new ChiselSurface[brush.Sides.Count];
// compute all the sides of the brush that will be clipped.
for (int j = brush.Sides.Count; j-- > 0;)
{
MapBrushSide side = brush.Sides[j];
// 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;
string materialName = side.Material.Replace("*", "#");
material = materialSearcher.FindMaterial(new string[] { materialName });
if (material == null)
{
material = ChiselMaterialManager.DefaultFloorMaterial;
}
// create chisel surface for the clip.
ChiselSurface surface = new ChiselSurface();
surface.brushMaterial = ChiselBrushMaterial.CreateInstance(material, ChiselMaterialManager.DefaultPhysicsMaterial);
surface.surfaceDescription = SurfaceDescription.Default;
// detect collision-only polygons.
if (IsInvisibleMaterial(side.Material))
{
surface.brushMaterial.LayerUsage &= ~LayerUsageFlags.RenderReceiveCastShadows;
}
// detect excluded polygons.
if (IsExcludedMaterial(side.Material))
{
surface.brushMaterial.LayerUsage &= LayerUsageFlags.CastShadows;
surface.brushMaterial.LayerUsage |= LayerUsageFlags.Collidable;
}
// calculate the clipping planes.
Plane clip = new Plane(go.transform.InverseTransformPoint(new Vector3(side.Plane.P1.X, side.Plane.P1.Z, side.Plane.P1.Y) * _conversionScale), go.transform.InverseTransformPoint(new Vector3(side.Plane.P2.X, side.Plane.P2.Z, side.Plane.P2.Y) * _conversionScale), go.transform.InverseTransformPoint(new Vector3(side.Plane.P3.X, side.Plane.P3.Z, side.Plane.P3.Y) * _conversionScale));
planes[j] = new float4(clip.normal, clip.distance);
planeSurfaces[j] = surface;
}
// cut all the clipping planes out of the brush in one go.
brushMesh.Cut(planes, planeSurfaces);
// now iterate over the planes to calculate UV coordinates.
int[] indices = new int[brush.Sides.Count];
for (int k = 0; k < planes.Length; k++)
{
var plane = planes[k];
int closestIndex = 0;
float closestDistance = math.lengthsq(plane - brushMesh.planes[0]);
for (int j = 1; j < brushMesh.planes.Length; j++)
{
float testDistance = math.lengthsq(plane - brushMesh.planes[j]);
if (testDistance < closestDistance)
{
closestIndex = j;
closestDistance = testDistance;
}
}
indices[k] = closestIndex;
}
for (int j = 0; j < indices.Length; j++)
{
brushMesh.planes[indices[j]] = planes[j];
}
for (int j = brush.Sides.Count; j-- > 0;)
{
MapBrushSide side = brush.Sides[j];
var surface = brushMesh.polygons[indices[j]].surface;
var material = surface.brushMaterial.RenderMaterial;
// calculate the texture coordinates.
int w = 256;
int h = 256;
if (material.mainTexture != null)
{
w = material.mainTexture.width;
h = material.mainTexture.height;
}
var clip = new Plane(planes[j].xyz, planes[j].w);
if (world.valveFormat)
{
var uAxis = new VmfAxis(side.t1, side.Offset.X, side.Scale.X);
var vAxis = new VmfAxis(side.t2, side.Offset.Y, side.Scale.Y);
CalculateTextureCoordinates(go, surface, clip, w, h, uAxis, vAxis);
}
else
{
if (GetTextureAxises(clip, out MapVector3 t1, out MapVector3 t2))
{
var uAxis = new VmfAxis(t1, side.Offset.X, side.Scale.X);
var vAxis = new VmfAxis(t2, side.Offset.Y, side.Scale.Y);
CalculateTextureCoordinates(go, surface, clip, w, h, uAxis, vAxis);
}
}
}
try
{
// finalize the brush by snapping planes and centering the pivot point.
go.transform.position += brushMesh.CenterAndSnapPlanes();
}
catch
{
// Brush failed, destroy brush
GameObject.DestroyImmediate(go);
}
}
}
#if UNITY_EDITOR
UnityEditor.EditorUtility.ClearProgressBar();
#endif
}
private static void BuildDisplacementSurface(ChiselBrush go, VmfSolidSide side, ChiselSurface surface, List <Vector3> vertices, Plane plane)
{
// create a new game object for the displacement.
GameObject dgo = new GameObject("Displacement");
dgo.transform.parent = go.transform;
MeshRenderer meshRenderer = dgo.AddComponent <MeshRenderer>();
MeshFilter meshFilter = dgo.AddComponent <MeshFilter>();
MeshCollider meshCollider = dgo.AddComponent <MeshCollider>();
// create a mesh.
Mesh mesh = new Mesh();
mesh.name = "Displacement";
List <Vector3> meshVertices = new List <Vector3>();
List <Vector2> meshUVs = new List <Vector2>();
List <int> meshTriangles = new List <int>();
int power5 = 5;
int power4 = 4;
if (side.Displacement.Power == 2)
{
power5 = 5;
power4 = 4;
}
if (side.Displacement.Power == 3)
{
power5 = 9;
power4 = 8;
}
if (side.Displacement.Power == 4)
{
power5 = 17;
power4 = 16;
}
// rotate vertices until we have the start position in the bottom left corner.
VmfVector3 vmfStartPosition = side.Displacement.StartPosition;
Vector3 startPosition = new Vector3(vmfStartPosition.X, vmfStartPosition.Z, vmfStartPosition.Y) * inchesInMeters;
for (int i = 0; i < 4; i++)
{
var first = vertices[0];
if (Vector3.Distance(first, startPosition) < 0.01f)
{
break;
}
vertices.RemoveAt(0);
vertices.Add(first);
}
var first2 = vertices[0];
vertices.RemoveAt(0);
vertices.Add(first2);
// create all of the vertices:
for (int z = 0; z < power5; z++)
{
for (int x = 0; x < power5; x++)
{
// calculate vertex position (grid formation):
Vector3 a = Vector3.Lerp(vertices[2], vertices[3], (1.0f / power4) * z);
Vector3 cross = Vector3.Lerp(vertices[1], vertices[0], (1.0f / power4) * z);
Vector3 b = Vector3.Lerp(a, cross, (1.0f / power4) * x);
// calculate UVs:
var localToPlaneSpace = (Matrix4x4)MathExtensions.GenerateLocalToPlaneSpaceMatrix(new float4(plane.normal, plane.distance));
var uvmatrix = surface.surfaceDescription.UV0.ToMatrix();
uvmatrix *= localToPlaneSpace;
meshUVs.Add(uvmatrix.MultiplyPoint(b));
// calculate offsets:
VmfVector3 vmfOffset = side.Displacement.Offsets[power4 - z][x];
Vector3 offset = new Vector3(vmfOffset.X * inchesInMeters, vmfOffset.Z * inchesInMeters, vmfOffset.Y * inchesInMeters);
b += offset;
// calculate normal to move the vertex along (displacement):
VmfVector3 vmfNormal = side.Displacement.Normals[power4 - z][x];
Vector3 normal = new Vector3(vmfNormal.X, vmfNormal.Z, vmfNormal.Y);
//normal = Vector3.Project(normal, plane.normal);
b += plane.normal * side.Displacement.Elevation * inchesInMeters;
b += normal * side.Displacement.Distances[power4 - z][x] * inchesInMeters;
meshVertices.Add(b);
}
}
// create the triangles in the same chessboard style as hammer:
int tri = 0;
for (int x = 0; x < (power4 * power4); x++)
{
tri = x + (x / power4);
if (tri % 2 == 0)
{
meshTriangles.Add(0 + tri);
meshTriangles.Add(power5 + 1 + tri);
meshTriangles.Add(power5 + tri);
meshTriangles.Add(0 + tri);
meshTriangles.Add(1 + tri);
meshTriangles.Add(power5 + 1 + tri);
}
else
{
meshTriangles.Add(0 + tri);
meshTriangles.Add(1 + tri);
meshTriangles.Add(power5 + tri);
meshTriangles.Add(1 + tri);
meshTriangles.Add(power5 + 1 + tri);
meshTriangles.Add(power5 + tri);
}
}
mesh.SetVertices(meshVertices);
mesh.SetUVs(0, meshUVs);
mesh.SetTriangles(meshTriangles, 0);
// center the mesh.
{
mesh.RecalculateBounds();
Vector3 meshCenter = mesh.bounds.center;
for (int i = 0; i < meshVertices.Count; i++)
{
meshVertices[i] -= meshCenter;
}
mesh.SetVertices(meshVertices);
mesh.RecalculateBounds();
dgo.transform.position = meshCenter;
}
mesh.RecalculateNormals();
mesh.RecalculateTangents();
meshFilter.sharedMesh = mesh;
meshCollider.sharedMesh = mesh;
meshRenderer.sharedMaterial = surface.brushMaterial.RenderMaterial;
}
/// <summary>
/// Imports the specified world into the Chisel model.
/// </summary>
/// <param name="model">The model to import into.</param>
/// <param name="world">The world to be imported.</param>
public static void Import(ChiselModel model, VmfWorld world)
{
// create a material searcher to associate materials automatically.
MaterialSearcher materialSearcher = new MaterialSearcher();
HashSet <string> materialSearcherWarnings = new HashSet <string>();
// iterate through all world solids.
for (int i = 0; i < world.Solids.Count; i++)
{
#if UNITY_EDITOR
UnityEditor.EditorUtility.DisplayProgressBar("Chisel: Importing Source Engine Map (1/3)", "Converting Hammer Solids To Chisel 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;
}
// HACK: Fix me in the future!
// HACK: Chisel doesn't support collision brushes yet- skip them completely!
if (solid.Sides.Count > 0 && IsInvisibleMaterial(solid.Sides[0].Material))
{
continue;
}
// HACK: Fix me in the future!
// build a very large cube brush.
ChiselBrush go = ChiselComponentFactory.Create <ChiselBrush>(model);
go.definition.surfaceDefinition = new ChiselSurfaceDefinition();
go.definition.surfaceDefinition.EnsureSize(6);
BrushMesh brushMesh = new BrushMesh();
go.definition.brushOutline = brushMesh;
BrushMeshFactory.CreateBox(ref brushMesh, new Vector3(-4096, -4096, -4096), new Vector3(4096, 4096, 4096), in go.definition.surfaceDefinition);
// prepare for any displacements.
List <DisplacementSide> DisplacementSurfaces = new List <DisplacementSide>();
// prepare for uv calculations of clip planes after cutting.
var planes = new float4[solid.Sides.Count];
var planeSurfaces = new ChiselSurface[solid.Sides.Count];
// compute all the sides of the brush that will be clipped.
for (int j = solid.Sides.Count; j-- > 0;)
{
VmfSolidSide side = solid.Sides[j];
// 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 && materialSearcherWarnings.Add(materialName))
{
Debug.Log("Chisel: 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 && materialSearcherWarnings.Add(materialName))
{
Debug.Log("Chisel: Tried to find material '" + materialName + "' but it couldn't be found in the project.");
}
}
// fallback to default material.
if (material == null)
{
material = ChiselMaterialManager.DefaultFloorMaterial;
}
// create chisel surface for the clip.
ChiselSurface surface = new ChiselSurface();
surface.brushMaterial = ChiselBrushMaterial.CreateInstance(material, ChiselMaterialManager.DefaultPhysicsMaterial);
surface.surfaceDescription = SurfaceDescription.Default;
// detect collision-only polygons.
if (IsInvisibleMaterial(side.Material))
{
surface.brushMaterial.LayerUsage &= ~LayerUsageFlags.RenderReceiveCastShadows;
}
// detect excluded polygons.
if (IsExcludedMaterial(side.Material))
{
surface.brushMaterial.LayerUsage &= LayerUsageFlags.CastShadows;
surface.brushMaterial.LayerUsage |= LayerUsageFlags.Collidable;
}
// calculate the clipping planes.
Plane clip = new Plane(go.transform.InverseTransformPoint(new Vector3(side.Plane.P1.X, side.Plane.P1.Z, side.Plane.P1.Y) * inchesInMeters), go.transform.InverseTransformPoint(new Vector3(side.Plane.P2.X, side.Plane.P2.Z, side.Plane.P2.Y) * inchesInMeters), go.transform.InverseTransformPoint(new Vector3(side.Plane.P3.X, side.Plane.P3.Z, side.Plane.P3.Y) * inchesInMeters));
planes[j] = new float4(clip.normal, clip.distance);
planeSurfaces[j] = surface;
// check whether this surface is a displacement.
if (side.Displacement != null)
{
// disable the brush.
go.gameObject.GetComponent <ChiselBrush>().enabled = false;
// keep track of the surface used to cut the mesh.
DisplacementSurfaces.Add(new DisplacementSide {
side = side, surface = surface
});
}
}
// cut all the clipping planes out of the brush in one go.
brushMesh.Cut(planes, planeSurfaces);
// now iterate over the planes to calculate UV coordinates.
int[] indices = new int[solid.Sides.Count];
for (int k = 0; k < planes.Length; k++)
{
var plane = planes[k];
int closestIndex = 0;
float closestDistance = math.lengthsq(plane - brushMesh.planes[0]);
for (int j = 1; j < brushMesh.planes.Length; j++)
{
float testDistance = math.lengthsq(plane - brushMesh.planes[j]);
if (testDistance < closestDistance)
{
closestIndex = j;
closestDistance = testDistance;
}
}
indices[k] = closestIndex;
}
for (int j = 0; j < indices.Length; j++)
{
brushMesh.planes[indices[j]] = planes[j];
}
for (int j = solid.Sides.Count; j-- > 0;)
{
VmfSolidSide side = solid.Sides[j];
var surface = brushMesh.polygons[indices[j]].surface;
var material = surface.brushMaterial.RenderMaterial;
// calculate the texture coordinates.
int w = 256;
int h = 256;
if (material.mainTexture != null)
{
w = material.mainTexture.width;
h = material.mainTexture.height;
}
var clip = new Plane(planes[j].xyz, planes[j].w);
CalculateTextureCoordinates(go, surface, clip, w, h, side.UAxis, side.VAxis);
}
// build displacements.
foreach (DisplacementSide displacement in DisplacementSurfaces)
{
// find the brush mesh polygon:
for (int polyidx = 0; polyidx < brushMesh.polygons.Length; polyidx++)
{
if (brushMesh.polygons[polyidx].surface == displacement.surface)
{
// find the polygon plane.
Plane plane = new Plane(brushMesh.planes[polyidx].xyz, brushMesh.planes[polyidx].w);
// find all vertices that belong to this polygon:
List <Vector3> vertices = new List <Vector3>();
{
var polygon = brushMesh.polygons[polyidx];
var firstEdge = polygon.firstEdge;
var edgeCount = polygon.edgeCount;
var lastEdge = firstEdge + edgeCount;
for (int e = firstEdge; e < lastEdge; e++)
{
vertices.Add(brushMesh.vertices[brushMesh.halfEdges[e].vertexIndex]);
}
}
// reverse the winding order.
vertices.Reverse();
var first = vertices[0];
vertices.RemoveAt(0);
vertices.Add(first);
// build displacement:
BuildDisplacementSurface(go, displacement.side, displacement.surface, vertices, plane);
}
}
}
// finalize the brush by snapping planes and centering the pivot point.
go.transform.position += brushMesh.CenterAndSnapPlanes();
foreach (Transform child in go.transform)
{
child.position -= go.transform.position;
}
}
// iterate through all entities.
for (int e = 0; e < world.Entities.Count; e++)
{
#if UNITY_EDITOR
UnityEditor.EditorUtility.DisplayProgressBar("Chisel: Importing Source Engine Map (2/3)", "Converting Hammer Entities To Chisel Brushes (" + (e + 1) + " / " + world.Entities.Count + ")...", e / (float)world.Entities.Count);
#endif
VmfEntity entity = world.Entities[e];
// skip entities that chisel 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;
}
// HACK: Fix me in the future!
// HACK: Chisel doesn't support collision brushes yet- skip them completely!
if (solid.Sides.Count > 0 && IsInvisibleMaterial(solid.Sides[0].Material))
{
continue;
}
// HACK: Fix me in the future!
// build a very large cube brush.
ChiselBrush go = ChiselComponentFactory.Create <ChiselBrush>(model);
go.definition.surfaceDefinition = new ChiselSurfaceDefinition();
go.definition.surfaceDefinition.EnsureSize(6);
BrushMesh brushMesh = new BrushMesh();
go.definition.brushOutline = brushMesh;
BrushMeshFactory.CreateBox(ref brushMesh, new Vector3(-4096, -4096, -4096), new Vector3(4096, 4096, 4096), in go.definition.surfaceDefinition);
// prepare for uv calculations of clip planes after cutting.
var planes = new float4[solid.Sides.Count];
var planeSurfaces = new ChiselSurface[solid.Sides.Count];
// clip all the sides out of the brush.
for (int j = solid.Sides.Count; j-- > 0;)
{
VmfSolidSide side = solid.Sides[j];
// 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 && materialSearcherWarnings.Add(materialName))
{
Debug.Log("Chisel: 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 && materialSearcherWarnings.Add(materialName))
{
Debug.Log("Chisel: Tried to find material '" + materialName + "' but it couldn't be found in the project.");
}
}
// fallback to default material.
if (material == null)
{
material = ChiselMaterialManager.DefaultFloorMaterial;
}
// create chisel surface for the clip.
ChiselSurface surface = new ChiselSurface();
surface.brushMaterial = ChiselBrushMaterial.CreateInstance(material, ChiselMaterialManager.DefaultPhysicsMaterial);
surface.surfaceDescription = SurfaceDescription.Default;
// detect collision-only polygons.
if (IsInvisibleMaterial(side.Material))
{
surface.brushMaterial.LayerUsage &= ~LayerUsageFlags.RenderReceiveCastShadows;
}
// detect excluded polygons.
if (IsExcludedMaterial(side.Material))
{
surface.brushMaterial.LayerUsage &= LayerUsageFlags.CastShadows;
surface.brushMaterial.LayerUsage |= LayerUsageFlags.Collidable;
}
// calculate the clipping planes.
Plane clip = new Plane(go.transform.InverseTransformPoint(new Vector3(side.Plane.P1.X, side.Plane.P1.Z, side.Plane.P1.Y) * inchesInMeters), go.transform.InverseTransformPoint(new Vector3(side.Plane.P2.X, side.Plane.P2.Z, side.Plane.P2.Y) * inchesInMeters), go.transform.InverseTransformPoint(new Vector3(side.Plane.P3.X, side.Plane.P3.Z, side.Plane.P3.Y) * inchesInMeters));
planes[j] = new float4(clip.normal, clip.distance);
planeSurfaces[j] = surface;
}
// cut all the clipping planes out of the brush in one go.
brushMesh.Cut(planes, planeSurfaces);
// now iterate over the planes to calculate UV coordinates.
int[] indices = new int[solid.Sides.Count];
for (int k = 0; k < planes.Length; k++)
{
var plane = planes[k];
int closestIndex = 0;
float closestDistance = math.lengthsq(plane - brushMesh.planes[0]);
for (int j = 1; j < brushMesh.planes.Length; j++)
{
float testDistance = math.lengthsq(plane - brushMesh.planes[j]);
if (testDistance < closestDistance)
{
closestIndex = j;
closestDistance = testDistance;
}
}
indices[k] = closestIndex;
}
for (int j = 0; j < indices.Length; j++)
{
brushMesh.planes[indices[j]] = planes[j];
}
for (int j = solid.Sides.Count; j-- > 0;)
{
VmfSolidSide side = solid.Sides[j];
var surface = brushMesh.polygons[indices[j]].surface;
var material = surface.brushMaterial.RenderMaterial;
// calculate the texture coordinates.
int w = 256;
int h = 256;
if (material.mainTexture != null)
{
w = material.mainTexture.width;
h = material.mainTexture.height;
}
var clip = new Plane(planes[j].xyz, planes[j].w);
CalculateTextureCoordinates(go, surface, clip, w, h, side.UAxis, side.VAxis);
}
// finalize the brush by snapping planes and centering the pivot point.
go.transform.position += brushMesh.CenterAndSnapPlanes();
// 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;
}
}
}
