public static NPVoxCoord GetNearbyCoord(NPVoxModel model, Vector3 saveCoord, ResolveConflictMethodType resolveConflictMethod)
{
NPVoxCoord favoriteCoord = NPVoxCoordUtil.ToCoord(saveCoord);
if (model.HasVoxelFast(favoriteCoord))
{
NPVoxBox box = new NPVoxBox(favoriteCoord - NPVoxCoord.ONE, favoriteCoord + NPVoxCoord.ONE);
favoriteCoord = NPVoxCoord.INVALID;
float nearestDistance = 9999f;
int favoriteEnclosingVoxelCount = -1;
foreach (NPVoxCoord currentTestCoord in box.Enumerate())
{
if (model.IsInside(currentTestCoord) && !model.HasVoxelFast(currentTestCoord))
{
if (resolveConflictMethod == ResolveConflictMethodType.CLOSEST)
{
float distance = Vector3.Distance(NPVoxCoordUtil.ToVector(currentTestCoord), saveCoord);
if (distance < nearestDistance)
{
nearestDistance = distance;
favoriteCoord = currentTestCoord;
}
}
else
{
int enclosingVoxelCount = 0;
NPVoxBox enclosingBoxCheck = new NPVoxBox(currentTestCoord - NPVoxCoord.ONE, currentTestCoord + NPVoxCoord.ONE);
foreach (NPVoxCoord enclosingTestCoord in enclosingBoxCheck.Enumerate())
{
if (model.IsInside(currentTestCoord) && model.HasVoxelFast(currentTestCoord))
{
enclosingVoxelCount++;
}
}
if (enclosingVoxelCount > favoriteEnclosingVoxelCount)
{
enclosingVoxelCount = favoriteEnclosingVoxelCount;
favoriteCoord = currentTestCoord;
}
}
}
}
}
return(favoriteCoord);
}
public static NPVoxModel Transform(NPVoxModel sourceModel, NPVoxBox affectedArea, Matrix4x4 transformMatrix, ResolveConflictMethodType resolveConflictMethod = ResolveConflictMethodType.CLOSEST, NPVoxModel reuse = null)
{
NPVoxBox clampedBox = sourceModel.Clamp(affectedArea);
// calculate size & offset for new model
NPVoxCoord size = sourceModel.Size;
NPVoxCoord offset = NPVoxCoord.ZERO;
{
NPVoxBox parentBounds = sourceModel.BoundingBox;
NPVoxBox thisBounds = parentBounds.Clone();
// transform voxels
foreach (NPVoxCoord coord in clampedBox.Enumerate())
{
Vector3 saveCoord = transformMatrix.MultiplyPoint(NPVoxCoordUtil.ToVector(coord));
NPVoxCoord newCoord = NPVoxCoordUtil.ToCoord(saveCoord);
if (!sourceModel.IsInside(newCoord))
{
thisBounds.EnlargeToInclude(newCoord);
}
}
// transform sockets
foreach (NPVoxSocket socket in sourceModel.Sockets)
{
NPVoxCoord newCoord = NPVoxCoordUtil.ToCoord(transformMatrix.MultiplyPoint(NPVoxCoordUtil.ToVector(socket.Anchor)));
if (clampedBox.Contains(socket.Anchor) && !sourceModel.IsInside(newCoord))
{
thisBounds.EnlargeToInclude(newCoord);
}
}
CalculateResizeOffset(parentBounds, thisBounds, out offset, out size);
}
bool hasVoxelGroups = sourceModel.HasVoxelGroups();
NPVoxBoneModel sourceBoneModel = sourceModel as NPVoxBoneModel;
bool hasBoneGropus = sourceBoneModel != null;
NPVoxModel transformedModel = NPVoxModel.NewInstance(sourceModel, size, reuse);
NPVoxBoneModel transformedBoneModel = transformedModel as NPVoxBoneModel;
if (hasVoxelGroups)
{
transformedModel.InitVoxelGroups();
transformedModel.NumVoxelGroups = sourceModel.NumVoxelGroups;
}
if (hasBoneGropus)
{
transformedBoneModel.AllBones = NPVoxBone.CloneBones(sourceBoneModel.AllBones);
}
// 1. copy all voxels over that are not affected by the transformation
transformedModel.NumVoxels = sourceModel.NumVoxels;
transformedModel.Colortable = sourceModel.Colortable;
foreach (NPVoxCoord coord in sourceModel.EnumerateVoxels())
{
NPVoxCoord movedCoord = coord + offset;
if (!clampedBox.Contains(coord))
{
transformedModel.SetVoxel(movedCoord, sourceModel.GetVoxel(coord));
if (hasVoxelGroups)
{
transformedModel.SetVoxelGroup(movedCoord, sourceModel.GetVoxelGroup(coord));
}
if (hasBoneGropus)
{
transformedBoneModel.SetBoneMask(movedCoord, sourceBoneModel.GetBoneMask(coord));
}
}
}
// 2. copy all voxels that can be tranformed without conflict,
Dictionary <NPVoxCoord, Vector3> conflictVoxels = new Dictionary <NPVoxCoord, Vector3>();
foreach (NPVoxCoord sourceCoord in clampedBox.Enumerate())
{
if (sourceModel.HasVoxelFast(sourceCoord))
{
Vector3 saveCoord = transformMatrix.MultiplyPoint(NPVoxCoordUtil.ToVector(sourceCoord));
Vector3 targetCoordSave = saveCoord + NPVoxCoordUtil.ToVector(offset);
NPVoxCoord targetCoord = NPVoxCoordUtil.ToCoord(targetCoordSave);
if (!transformedModel.HasVoxelFast(targetCoord))
{
transformedModel.SetVoxel(targetCoord, sourceModel.GetVoxel(sourceCoord));
if (hasVoxelGroups)
{
transformedModel.SetVoxelGroup(targetCoord, sourceModel.GetVoxelGroup(sourceCoord));
}
if (hasBoneGropus)
{
transformedBoneModel.SetBoneMask(targetCoord, sourceBoneModel.GetBoneMask(sourceCoord));
}
}
else
{
conflictVoxels[sourceCoord] = targetCoordSave;
}
}
}
// 3. try to fit in voxels that had conflicts
int numberOfConflictsSolved = 0;
if (resolveConflictMethod != ResolveConflictMethodType.NONE)
{
foreach (NPVoxCoord sourceCoord in conflictVoxels.Keys)
{
if (sourceModel.HasVoxelFast(sourceCoord))
{
Vector3 targetSaveCoord = conflictVoxels[sourceCoord];
NPVoxCoord nearbyCoord = GetNearbyCoord(transformedModel, targetSaveCoord, resolveConflictMethod);
if (!nearbyCoord.Equals(NPVoxCoord.INVALID))
{
transformedModel.SetVoxel(nearbyCoord, sourceModel.GetVoxel(sourceCoord));
if (hasVoxelGroups)
{
transformedModel.SetVoxelGroup(nearbyCoord, sourceModel.GetVoxelGroup(sourceCoord));
}
if (hasBoneGropus)
{
transformedBoneModel.SetBoneMask(nearbyCoord, sourceBoneModel.GetBoneMask(sourceCoord));
}
numberOfConflictsSolved++;
}
}
}
if (numberOfConflictsSolved != conflictVoxels.Count)
{
Debug.Log(string.Format("transformation has resolved {0}/{1} conflicting voxels", numberOfConflictsSolved, conflictVoxels.Count));
}
}
// 4. transform all sockets
NPVoxSocket[] sockets = new NPVoxSocket[sourceModel.Sockets.Length];
for (int i = 0; i < sockets.Length; i++)
{
NPVoxSocket socket = sourceModel.Sockets[i];
if (clampedBox.Contains(socket.Anchor))
{
// transform anchor
Vector3 saveOriginalAnchor = NPVoxCoordUtil.ToVector(socket.Anchor);
Vector3 saveTargetAnchor = transformMatrix.MultiplyPoint(saveOriginalAnchor) + NPVoxCoordUtil.ToVector(offset);
socket.Anchor = NPVoxCoordUtil.ToCoord(saveTargetAnchor);
// transform Quaternion
Quaternion originalRotation = Quaternion.Euler(socket.EulerAngles);
Matrix4x4 rotated = (Matrix4x4.TRS(Vector3.zero, originalRotation, Vector3.one) * transformMatrix);
socket.EulerAngles = Matrix4x4Util.GetRotation(rotated).eulerAngles;
}
else
{
socket.Anchor = socket.Anchor + offset;
}
sockets[i] = socket;
}
transformedModel.Sockets = sockets;
// 5. count all voxels
transformedModel.NumVoxels = transformedModel.NumVoxels - (conflictVoxels.Count - numberOfConflictsSolved);
transformedModel.RecalculateNumVoxels(true);
return(transformedModel);
}