private bool ChangePolygonColor(Brush brush, Polygon polygon)
{
bool anyChanged = false;
Vector3 hoverPointLocal = brush.transform.InverseTransformPoint(mouseHoverPoint);
Undo.RecordObject(brush, "Paint");
csgModel.UndoRecordContext("Paint");
for (int j = 0; j < polygon.Vertices.Length; j++)
{
float squareDistance = (polygon.Vertices[j].Position - hoverPointLocal).sqrMagnitude;
if (squareDistance <= (brushRadius * brushRadius))
{
float distance = Mathf.Sqrt(squareDistance);
polygon.Vertices[j].Color = PaintColor(polygon.Vertices[j].Color, distance / brushRadius);
anyChanged = true;
}
}
PolygonEntry entry = csgModel.GetVisualPolygonEntry(polygon.UniqueIndex);
if (entry != null)
{
if (entry.BuiltMesh != null)
{
Undo.RecordObject(entry.BuiltMesh, "Change Vertex Color");
Vector3[] meshVertices = entry.BuiltMesh.vertices;
Color32[] meshColors = entry.BuiltMesh.colors32;
Color32[] colors = entry.Colors;
for (int vertexIndex = 0; vertexIndex < entry.Positions.Length; vertexIndex++)
{
float squareDistance = (meshVertices[entry.BuiltVertexOffset + vertexIndex] - mouseHoverPoint).sqrMagnitude;
if (squareDistance <= (brushRadius * brushRadius))
{
float distance = Mathf.Sqrt(squareDistance);
colors[vertexIndex] = PaintColor(colors[vertexIndex], distance / brushRadius);
meshColors[entry.BuiltVertexOffset + vertexIndex] = PaintColor(meshColors[entry.BuiltVertexOffset + vertexIndex], distance / brushRadius);
anyChanged = true;
}
}
if (anyChanged)
{
entry.Colors = colors;
entry.BuiltMesh.colors32 = meshColors;
EditorHelper.SetDirty(entry.BuiltMesh);
}
}
}
return(anyChanged);
}
internal static void BuildCollision(Transform meshGroupHolder,
PolygonEntry[] polygonIndex,
CSGBuildSettings buildSettings,
List <Mesh> collisionMeshDictionary)
{
collisionMeshDictionary.Clear();
if (polygonIndex.Length > 0)
{
Mesh mesh = new Mesh();
List <Vector3> positionsList = new List <Vector3>();
List <Vector3> normalsList = new List <Vector3>();
List <Vector2> uvList = new List <Vector2>();
List <int> trianglesList = new List <int>();
for (int i = 0; i < polygonIndex.Length; i++)
{
if (polygonIndex[i] != null)
{
int positionOffset = positionsList.Count;
int triangleOffset = trianglesList.Count;
PolygonEntry polygonEntry = polygonIndex[i];
if (PolygonEntry.IsValid(polygonEntry) &&
polygonEntry.Positions.Length > 0 &&
!polygonEntry.ExcludeFromBuild) // Skip polygons that weren't built
{
if (polygonEntry.Positions.Length + positionOffset > MESH_VERTEX_LIMIT)
{
FinalizeCollisionMesh(meshGroupHolder, mesh, buildSettings, positionsList, normalsList, uvList, trianglesList, collisionMeshDictionary);
mesh = new Mesh();
positionsList.Clear();
normalsList.Clear();
uvList.Clear();
trianglesList.Clear();
positionOffset = 0;
}
positionsList.AddRange(polygonEntry.Positions);
normalsList.AddRange(polygonEntry.Normals);
uvList.AddRange(polygonEntry.UV);
for (int j = 0; j < polygonEntry.Triangles.Length; j++)
{
trianglesList.Add(polygonEntry.Triangles[j] + positionOffset);
}
polygonEntry.BuiltMesh = mesh;
polygonEntry.BuiltVertexOffset = positionOffset;
polygonEntry.BuiltTriangleOffset = triangleOffset;
}
}
}
FinalizeCollisionMesh(meshGroupHolder, mesh, buildSettings, positionsList, normalsList, uvList, trianglesList, collisionMeshDictionary);
}
}
public int AssignUniqueIDs(int startingIndex,
bool isVisible,
PolygonEntry[] oldVisualPolygonIndex,
PolygonEntry[] newVisualPolygonIndex,
bool hasCollision,
PolygonEntry[] oldCollisionPolygonIndex,
PolygonEntry[] newCollisionPolygonIndex)
{
int assignedCount = 0;
for (int i = 0; i < polygons.Length; i++)
{
int previousUniqueIndex = polygons[i].UniqueIndex;
int newUniqueIndex = startingIndex + i;
polygons[i].UniqueIndex = newUniqueIndex;
// Preserve existing geometry if this brush has remained built or is additive
if (built || mode == CSGMode.Add)
{
if (isVisible)
{
if (previousUniqueIndex != -1 && oldVisualPolygonIndex.Length > previousUniqueIndex)
{
// Transfer mapping from old index to new
PolygonEntry entry = oldVisualPolygonIndex[previousUniqueIndex];
newVisualPolygonIndex[newUniqueIndex] = entry;
}
}
if (hasCollision)
{
if (previousUniqueIndex != -1 && oldCollisionPolygonIndex.Length > previousUniqueIndex)
{
// Transfer mapping from old index to new
PolygonEntry entry = oldCollisionPolygonIndex[previousUniqueIndex];
newCollisionPolygonIndex[newUniqueIndex] = entry;
}
}
}
}
assignedCount = polygons.Length;
return(assignedCount);
}
internal static void BuildVisual(Transform meshGroupHolder,
PolygonEntry[] polygonIndex,
CSGBuildSettings buildSettings,
CSGBuildContext.BuildContext buildContext,
MaterialMeshDictionary materialMeshDictionary)
{
materialMeshDictionary.Clear();
// Reset statistics
buildContext.buildMetrics.TotalMeshes = 0;
buildContext.buildMetrics.TotalVertices = 0;
buildContext.buildMetrics.TotalTriangles = 0;
Dictionary <Material, List <PolygonEntry> > polygonMaterialTable = new Dictionary <Material, List <PolygonEntry> >();
for (int i = 0; i < polygonIndex.Length; i++)
{
PolygonEntry entry = polygonIndex[i];
if (PolygonEntry.IsValid(entry) &&
entry.Positions.Length > 0 &&
!entry.ExcludeFromBuild) // Skip polygons that weren't built
{
Material material = entry.Material;
if (material == null)
{
material = buildSettings.DefaultVisualMaterial;
}
if (polygonMaterialTable.ContainsKey(material))
{
polygonMaterialTable[material].Add(entry);
}
else
{
polygonMaterialTable.Add(material, new List <PolygonEntry>()
{
entry
});
}
}
}
foreach (KeyValuePair <Material, List <PolygonEntry> > row in polygonMaterialTable)
{
Mesh mesh = new Mesh();
List <Vector3> positionsList = new List <Vector3>();
List <Vector3> normalsList = new List <Vector3>();
List <Vector2> uvList = new List <Vector2>();
List <Color> colorsList = new List <Color>();
List <int> trianglesList = new List <int>();
for (int i = 0; i < row.Value.Count; i++)
{
int positionOffset = positionsList.Count;
int triangleOffset = trianglesList.Count;
PolygonEntry polygonEntry = row.Value[i];
if (polygonEntry.Positions.Length + positionOffset > MESH_VERTEX_LIMIT)
{
FinalizeVisualMesh(meshGroupHolder, mesh, row.Key, buildSettings, buildContext, positionsList, normalsList, uvList, colorsList, trianglesList, materialMeshDictionary);
mesh = new Mesh();
positionsList.Clear();
normalsList.Clear();
uvList.Clear();
colorsList.Clear();
trianglesList.Clear();
positionOffset = 0;
}
positionsList.AddRange(polygonEntry.Positions);
normalsList.AddRange(polygonEntry.Normals);
uvList.AddRange(polygonEntry.UV);
colorsList.AddRange(polygonEntry.Colors);
for (int j = 0; j < polygonEntry.Triangles.Length; j++)
{
trianglesList.Add(polygonEntry.Triangles[j] + positionOffset);
}
row.Value[i].BuiltMesh = mesh;
row.Value[i].BuiltVertexOffset = positionOffset;
row.Value[i].BuiltTriangleOffset = triangleOffset;
}
FinalizeVisualMesh(meshGroupHolder, mesh, row.Key, buildSettings, buildContext, positionsList, normalsList, uvList, colorsList, trianglesList, materialMeshDictionary);
}
}
internal static void CoreBuild(object state)
{
MeshGroupManager.OnFinalizeVisualMesh = onFinalizeVisualMesh;
MeshGroupManager.OnFinalizeCollisionMesh = onFinalizeCollisionMesh;
if (forceRebuild)
{
buildContext.ClearAll();
}
buildStartTime = DateTime.Now;
int brushesToBuild = 0;
brushesBuilt = 0;
BrushCache[] allBrushCaches = new BrushCache[brushes.Count];
int totalPolygons = 0;
for (int i = 0; i < allBrushCaches.Length; i++)
{
allBrushCaches[i] = brushes[i].BrushCache;
totalPolygons += allBrushCaches[i].Polygons.Length;
}
PolygonEntry[] oldVisualPolygonIndex = buildContext.VisualPolygonIndex;
PolygonEntry[] oldCollisionPolygonIndex = buildContext.CollisionPolygonIndex;
PolygonEntry[] newVisualPolygonIndex = new PolygonEntry[totalPolygons];
PolygonEntry[] newCollisionPolygonIndex = new PolygonEntry[totalPolygons];
int polygonUniqueID = 0;
// Walk through each brush, assigning unique IDs to each polygon (since Unity serialisation will break
// references on a recompile, reload etc)
for (int i = 0; i < allBrushCaches.Length; i++)
{
brushes[i].AssignUniqueIDs(polygonUniqueID);
// TODO: Find a way to remove this when Nova is removed
polygonUniqueID += allBrushCaches[i].AssignUniqueIDs(polygonUniqueID,
brushes[i].IsVisible,
oldVisualPolygonIndex,
newVisualPolygonIndex,
brushes[i].HasCollision,
oldCollisionPolygonIndex,
newCollisionPolygonIndex);
}
buildContext.VisualPolygonIndex = newVisualPolygonIndex;
buildContext.CollisionPolygonIndex = newCollisionPolygonIndex;
// Create a list of builders that need to be built
bool[] shouldBuildVisible = new bool[allBrushCaches.Length];
bool[] shouldBuildCollision = new bool[allBrushCaches.Length];
for (int brushIndex = 0; brushIndex < allBrushCaches.Length; brushIndex++)
{
if (!allBrushCaches[brushIndex].Built && brushes[brushIndex].IsVisible)
{
shouldBuildVisible[brushIndex] = true;
brushesToBuild++;
// Mark all the intersecting brushes as needing to build
foreach (BrushCache brushCache in allBrushCaches[brushIndex].IntersectingVisualBrushCaches)
{
// TODO: This is slower than it needs to be
int otherIndex = Array.IndexOf(allBrushCaches, brushCache);
if (otherIndex != -1)
{
if (!shouldBuildVisible[otherIndex] && brushes[otherIndex].IsVisible)
{
shouldBuildVisible[otherIndex] = true;
brushesToBuild++;
if (brushes[otherIndex].Mode == CSGMode.Subtract)
{
foreach (BrushCache brushCache2 in allBrushCaches[otherIndex].IntersectingVisualBrushCaches)
{
// TODO: This is slower than it needs to be
int otherIndex2 = Array.IndexOf(allBrushCaches, brushCache2);
if (otherIndex2 != -1)
{
if (!shouldBuildVisible[otherIndex2] && brushes[otherIndex2].IsVisible)
{
shouldBuildVisible[otherIndex2] = true;
brushesToBuild++;
}
}
}
}
}
}
}
}
}
for (int brushIndex = 0; brushIndex < allBrushCaches.Length; brushIndex++)
{
if (!allBrushCaches[brushIndex].Built && brushes[brushIndex].HasCollision)
{
shouldBuildCollision[brushIndex] = true;
// TODO: This is slower than it needs to be
foreach (BrushCache brushCache in allBrushCaches[brushIndex].IntersectingCollisionBrushCaches)
{
int otherIndex = Array.IndexOf(allBrushCaches, brushCache);
if (otherIndex != -1)
{
if (!shouldBuildCollision[otherIndex] && brushes[otherIndex].HasCollision)
{
shouldBuildCollision[otherIndex] = true;
brushesToBuild++;
if (brushes[otherIndex].Mode == CSGMode.Subtract)
{
foreach (BrushCache brushCache2 in allBrushCaches[otherIndex].IntersectingCollisionBrushCaches)
{
// TODO: This is slower than it needs to be
int otherIndex2 = Array.IndexOf(allBrushCaches, brushCache2);
if (otherIndex2 != -1)
{
if (!shouldBuildCollision[otherIndex2] && brushes[otherIndex2].HasCollision)
{
shouldBuildCollision[otherIndex2] = true;
brushesToBuild++;
}
}
}
}
}
}
}
}
}
for (int brushIndex = 0; brushIndex < allBrushCaches.Length; brushIndex++)
{
if (shouldBuildVisible[brushIndex] || shouldBuildCollision[brushIndex])
{
allBrushCaches[brushIndex].ResetForBuild(newVisualPolygonIndex, newCollisionPolygonIndex);
}
}
bool showProgressBar = false;
if (DateTime.Now - buildStartTime > new TimeSpan(0, 0, 1))
{
showProgressBar = true;
if (state == null && onProgressChange != null) // Can only fire on main thread
{
onProgressChange(0);
}
}
// TODO: All this should be possible to parallelise.
for (int brushIndex = 0; brushIndex < allBrushCaches.Length; brushIndex++)
{
if (shouldBuildVisible[brushIndex])
{
// Intersecting builders can probably be calculated at edit time
BrushBuilder.Build(allBrushCaches[brushIndex], brushIndex, allBrushCaches, false);
brushesBuilt++;
// If we are not required to build collision (either for this brush, or at all) then we've built it!
if (!shouldBuildCollision[brushIndex] || !buildSettings.GenerateCollisionMeshes)
{
allBrushCaches[brushIndex].SetBuilt();
}
if (showProgressBar)
{
if (state == null && onProgressChange != null) // Can only fire on main thread
{
onProgressChange(brushesBuilt / (float)brushesToBuild);
}
}
else
{
if (DateTime.Now - buildStartTime > new TimeSpan(0, 0, 1))
{
showProgressBar = true;
if (state == null && onProgressChange != null) // Can only fire on main thread
{
onProgressChange(brushesBuilt / (float)brushesToBuild);
}
}
}
}
}
for (int brushIndex = 0; brushIndex < allBrushCaches.Length; brushIndex++)
{
if (shouldBuildVisible[brushIndex])
{
// Intersecting builders can probably be calculated at edit time
BrushCache.ReclaimStolenVisualPolygons(allBrushCaches[brushIndex]);
}
}
if (buildSettings.GenerateCollisionMeshes)
{
for (int brushIndex = 0; brushIndex < allBrushCaches.Length; brushIndex++)
{
if (shouldBuildCollision[brushIndex])
{
if (allBrushCaches[brushIndex].CollisionVisualEqual)
{
}
else
{
// Intersecting builders can probably be calculated at edit time
BrushBuilder.Build(allBrushCaches[brushIndex], brushIndex, allBrushCaches, true);
brushesBuilt++;
if (showProgressBar)
{
if (state == null && onProgressChange != null) // Can only fire on main thread
{
onProgressChange(brushesBuilt / (float)brushesToBuild);
}
}
else
{
if (DateTime.Now - buildStartTime > new TimeSpan(0, 0, 1))
{
showProgressBar = true;
if (state == null && onProgressChange != null) // Can only fire on main thread
{
onProgressChange(brushesBuilt / (float)brushesToBuild);
}
}
}
}
allBrushCaches[brushIndex].SetBuilt();
}
}
for (int brushIndex = 0; brushIndex < allBrushCaches.Length; brushIndex++)
{
if (shouldBuildCollision[brushIndex])
{
if (!allBrushCaches[brushIndex].CollisionVisualEqual)
{
// Intersecting builders can probably be calculated at edit time
BrushCache.ReclaimStolenCollisionPolygons(allBrushCaches[brushIndex]);
}
}
}
}
time1 = DateTime.Now;
// TODO: Can parallelise the vertex/index buffer generation, built putting them into mesh needs to be main thread
// Triangulate the new polygons
if (brushesBuilt > 0)
{
//VisualDebug.ClearAll();
Dictionary <int, List <Polygon> > allGroupedPolygons = new Dictionary <int, List <Polygon> >();
for (int brushIndex = 0; brushIndex < allBrushCaches.Length; brushIndex++)
{
if (shouldBuildVisible[brushIndex])
{
// Grab the polygons grouped by ID, optimizing them if requested
Dictionary <int, List <Polygon> > groupedPolygons = null;
if (buildSettings.OptimizeGeometry)
{
// Return the optimal list of polygons (this call also updates BuiltVisualPolygons)
groupedPolygons = BrushCache.OptimizeVisual(allBrushCaches[brushIndex]);
}
else
{
groupedPolygons = allBrushCaches[brushIndex].GetGroupedBuiltVisualPolygons();
}
// Set the visual mapping from the built polygons (used by SurfaceEditor)
List <Polygon> polygons = allBrushCaches[brushIndex].BuiltVisualPolygons;
buildContext.SetVisualMapping(brushes[brushIndex], polygons);
// Add each set of polygons to the dictionary to be triangulated
foreach (KeyValuePair <int, List <Polygon> > row in groupedPolygons)
{
allGroupedPolygons.Add(row.Key, row.Value);
}
}
}
bool useIndividualVertices = buildSettings.GenerateLightmapUVs; // Generate individual vertices for unwrapped geometry
MeshGroupManager.TriangulateNewPolygons(useIndividualVertices, allGroupedPolygons, buildContext.VisualPolygonIndex);
if (buildSettings.GenerateCollisionMeshes)
{
allGroupedPolygons.Clear();
for (int brushIndex = 0; brushIndex < allBrushCaches.Length; brushIndex++)
{
if (shouldBuildCollision[brushIndex])
{
if (allBrushCaches[brushIndex].CollisionVisualEqual)
{
// Intersection sets equal, so just copy visual triangulation
List <Polygon> builtVisualPolygons = allBrushCaches[brushIndex].BuiltVisualPolygons;
for (int i = 0; i < builtVisualPolygons.Count; i++)
{
PolygonEntry visualPolygon = buildContext.VisualPolygonIndex[builtVisualPolygons[i].UniqueIndex];
if (visualPolygon != null)
{
buildContext.CollisionPolygonIndex[builtVisualPolygons[i].UniqueIndex] = visualPolygon.DeepCopy();
}
}
}
else
{
// Intersection sets are different, need to triangulate separately
Dictionary <int, List <Polygon> > groupedPolygons = null;
if (buildSettings.OptimizeGeometry)
{
// Return the optimal list of polygons (this call also updates BuiltCollisionPolygons)
groupedPolygons = BrushCache.OptimizeCollision(allBrushCaches[brushIndex]);
}
else
{
groupedPolygons = allBrushCaches[brushIndex].GetGroupedBuiltCollisionPolygons();
}
// Add each set of polygons to the dictionary to be triangulated
foreach (KeyValuePair <int, List <Polygon> > row in groupedPolygons)
{
allGroupedPolygons.Add(row.Key, row.Value);
}
}
}
}
useIndividualVertices = false; // Never use individual vertices for collision geometry
MeshGroupManager.TriangulateNewPolygons(useIndividualVertices, allGroupedPolygons, buildContext.CollisionPolygonIndex);
}
}
// If multithreaded
if (state != null)
{
// All done, tell the main thread to finish the build up
readyForFinalize = true;
}
}