private NPVoxModel CreateSlicedModel(NPVoxModel source, NPVoxModel reuse)
{
NPVoxBox targetBox = slice.Clone();
NPVoxBox sourceBounds = source.BoundingBox;
targetBox.Clamp(source.BoundingBox);
NPVoxCoord origin = targetBox.LeftDownBack;
NPVoxModel model = NPVoxModel.NewInstance(source, targetBox.Size, reuse);
int numVoxels = 0;
foreach (NPVoxCoord coord in targetBox.Enumerate())
{
if (source.HasVoxel(coord))
{
numVoxels++;
model.SetVoxel(coord - origin, source.GetVoxel(coord));
}
}
model.NumVoxels = numVoxels;
model.Colortable = source.Colortable;
return(model);
}
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);
}
override protected Mesh CreateProduct(Mesh mesh = null)
{
// Debug.Log("create product");
NPVoxMeshOutput meshOutput = (Input as NPVoxMeshOutput);
if (meshOutput && meshOutput.GetProduct() && TextureAtlas)
{
TextureAtlas.GetMaterial(SourceMaterial);
NPVoxFaces includedFaces = GetIncludedFaces();
NPVoxToUnity npVoxToUnity = InputMeshFactory.GetNPVoxToUnity();
int faceCount = GetFaceCount();
NPVoxBox originalBox = InputMeshFactory.GetVoxModel().BoundingBox;
NPVoxBox cutoutBox = originalBox.Clone();
NPVoxFaces cutout = InputMeshFactory.Cutout;
Vector3 cutoutOffset = Vector3.zero;
if (cutout != null)
{
Vector3 originalCenter = cutoutBox.SaveCenter;
cutoutBox.Left = (sbyte)Mathf.Abs(cutout.Left);
cutoutBox.Down = (sbyte)Mathf.Abs(cutout.Down);
cutoutBox.Back = (sbyte)Mathf.Abs(cutout.Back);
cutoutBox.Right = (sbyte)(cutoutBox.Right - (sbyte)Mathf.Abs(cutout.Right));
cutoutBox.Up = (sbyte)(cutoutBox.Up - (sbyte)Mathf.Abs(cutout.Up));
cutoutBox.Forward = (sbyte)(cutoutBox.Forward - (sbyte)Mathf.Abs(cutout.Forward));
cutoutOffset = Vector3.Scale(originalCenter - cutoutBox.SaveCenter, InputMeshFactory.VoxelSize);
}
// we have to be careful. Unlike cutout, which is already removed from the mesh we want to render, the inset is not yet applied and
// also won't result in a "move" of the object. So it's important that we calculate a correct offset for our final mesh.
NPVoxBox insetBox = cutoutBox.Clone();
Vector3 insetOffset = Vector3.zero;
if (inset != null)
{
Vector3 cutoutCenter = cutoutBox.SaveCenter;
insetBox.Left += (sbyte)Mathf.Abs(inset.Left);
insetBox.Right -= (sbyte)Mathf.Abs(inset.Right);
insetBox.Down += (sbyte)Mathf.Abs(inset.Down);
insetBox.Up -= (sbyte)Mathf.Abs(inset.Up);
insetBox.Back += (sbyte)Mathf.Abs(inset.Back);
insetBox.Forward -= (sbyte)Mathf.Abs(inset.Forward);
insetOffset = Vector3.Scale(cutoutCenter - insetBox.SaveCenter, InputMeshFactory.VoxelSize);
}
Vector3 insetCenter = insetBox.SaveCenter;
if (Baked45Angle)
{
backSlot = CreateTexture(backSlot,
includedFaces.Back != 0,
insetBox.Size.X, insetBox.Size.Y,
Quaternion.Euler(-45, 0, 0),
npVoxToUnity.ToUnityPosition(new Vector3(insetCenter.x, insetCenter.y, insetBox.Back)),
npVoxToUnity.ToUnityDirection(new Vector2(insetBox.Size.X, ((float)insetBox.Size.Y) / Mathf.Sqrt(2))) * 0.5f,
Quaternion.Euler(+45, 0, 0)
);
downSlot = CreateTexture(downSlot,
includedFaces.Down != 0,
insetBox.Size.X, insetBox.Size.Z * 3,
Quaternion.Euler(-45, 0, 0),
npVoxToUnity.ToUnityPosition(new Vector3(insetCenter.x, insetBox.Down, insetCenter.z)),
npVoxToUnity.ToUnityDirection(new Vector2(insetBox.Size.X, ((float)insetBox.Size.Z) / Mathf.Sqrt(2))) * 0.5f,
Quaternion.Euler(-45, 0, 0)
);
leftSlot = CreateTexture(leftSlot, false, 0, 0, Quaternion.identity, Vector3.zero, Vector2.zero, Quaternion.identity);
rightSlot = CreateTexture(rightSlot, false, 0, 0, Quaternion.identity, Vector3.zero, Vector2.zero, Quaternion.identity);
upSlot = CreateTexture(upSlot, false, 0, 0, Quaternion.identity, Vector3.zero, Vector2.zero, Quaternion.identity);
forwardSlot = CreateTexture(forwardSlot, false, 0, 0, Quaternion.identity, Vector3.zero, Vector2.zero, Quaternion.identity);
}
else
{
leftSlot = CreateTexture(leftSlot,
includedFaces.Left != 0,
insetBox.Size.Z, insetBox.Size.Y,
Quaternion.Euler(0, 90, 0),
npVoxToUnity.ToUnityPosition(new Vector3(insetBox.Left, insetCenter.y, insetCenter.z)),
npVoxToUnity.ToUnityDirection(new Vector2(insetBox.Size.Z, insetBox.Size.Y)) * 0.5f,
Quaternion.identity
);
rightSlot = CreateTexture(rightSlot,
includedFaces.Right != 0,
insetBox.Size.Z, insetBox.Size.Y,
Quaternion.Euler(0, -90, 0),
npVoxToUnity.ToUnityPosition(new Vector3(insetBox.Right, insetCenter.y, insetCenter.z)),
npVoxToUnity.ToUnityDirection(new Vector2(insetBox.Size.Z, insetBox.Size.Y)) * 0.5f,
Quaternion.identity
);
downSlot = CreateTexture(downSlot,
includedFaces.Down != 0,
insetBox.Size.X, insetBox.Size.Z,
Quaternion.Euler(-90, 0, 0),
npVoxToUnity.ToUnityPosition(new Vector3(insetCenter.x, insetBox.Down, insetCenter.z)),
npVoxToUnity.ToUnityDirection(new Vector2(insetBox.Size.X, insetBox.Size.Z)) * 0.5f,
Quaternion.identity
);
upSlot = CreateTexture(upSlot,
includedFaces.Up != 0,
insetBox.Size.X, insetBox.Size.Z,
Quaternion.Euler(90, 0, 180),
npVoxToUnity.ToUnityPosition(new Vector3(insetCenter.x, insetBox.Up, insetCenter.z)),
npVoxToUnity.ToUnityDirection(new Vector2(insetBox.Size.X, insetBox.Size.Z)) * 0.5f,
Quaternion.identity
);
backSlot = CreateTexture(backSlot,
includedFaces.Back != 0,
insetBox.Size.X, insetBox.Size.Y,
Quaternion.Euler(0, 0, 0),
npVoxToUnity.ToUnityPosition(new Vector3(insetCenter.x, insetCenter.y, insetBox.Back)),
npVoxToUnity.ToUnityDirection(new Vector2(insetBox.Size.X, insetBox.Size.Y)) * 0.5f,
Quaternion.identity
);
forwardSlot = CreateTexture(forwardSlot,
includedFaces.Forward != 0,
insetBox.Size.X, insetBox.Size.Y,
Quaternion.Euler(-180, 0, 0),
npVoxToUnity.ToUnityPosition(new Vector3(insetCenter.x, insetCenter.y, insetBox.Forward)),
npVoxToUnity.ToUnityDirection(new Vector2(insetBox.Size.X, insetBox.Size.Y)) * 0.5f,
Quaternion.identity
);
}
slotsAllocatedAtTA = TextureAtlas;
if (mesh == null)
{
mesh = new Mesh();
}
else
{
mesh.Clear();
}
mesh.name = "zzz Cube Simplifier Mesh";
int border = 1;
var vertices = new Vector3[faceCount * 4];
var uvs = new Vector2[faceCount * 4];
var tris = new int[faceCount * 3 * 2];
var normals = new Vector3[faceCount * 4];
int v = 0;
int t = 0;
int v0 = 0;
System.Action <Vector3, NPVoxTextureAtlas.Slot> addQuad = (Vector3 dir, NPVoxTextureAtlas.Slot theSlot) =>
{
normals[v0] = dir;
normals[v0 + 1] = dir;
normals[v0 + 2] = dir;
normals[v0 + 3] = dir;
tris[t++] = v0;
tris[t++] = v0 + 1;
tris[t++] = v0 + 2;
tris[t++] = v0;
tris[t++] = v0 + 2;
tris[t++] = v0 + 3;
Vector2 uvMax = theSlot.GetUVmax(border);
Vector2 uvMin = theSlot.GetUVmin(border);
uvs[v0].x = uvMin.x;
uvs[v0].y = uvMax.y;
uvs[v0 + 1].x = uvMax.x;
uvs[v0 + 1].y = uvMax.y;
uvs[v0 + 2].x = uvMax.x;
uvs[v0 + 2].y = uvMin.y;
uvs[v0 + 3].x = uvMin.x;
uvs[v0 + 3].y = uvMin.y;
};
NPVoxBox bounds = insetBox;
Vector3 LDB = cutoutOffset + npVoxToUnity.ToUnityPosition(bounds.LeftDownBack) + (Vector3.left * npVoxToUnity.VoxeSize.x + Vector3.down * npVoxToUnity.VoxeSize.y + Vector3.back * npVoxToUnity.VoxeSize.z) * 0.5f;
Vector3 RDB = cutoutOffset + npVoxToUnity.ToUnityPosition(bounds.RightDownBack) + (Vector3.right * npVoxToUnity.VoxeSize.x + Vector3.down * npVoxToUnity.VoxeSize.y + Vector3.back * npVoxToUnity.VoxeSize.z) * 0.5f;
Vector3 LUB = cutoutOffset + npVoxToUnity.ToUnityPosition(bounds.LeftUpBack) + (Vector3.left * npVoxToUnity.VoxeSize.x + Vector3.up * npVoxToUnity.VoxeSize.y + Vector3.back * npVoxToUnity.VoxeSize.z) * 0.5f;
Vector3 RUB = cutoutOffset + npVoxToUnity.ToUnityPosition(bounds.RightUpBack) + (Vector3.right * npVoxToUnity.VoxeSize.x + Vector3.up * npVoxToUnity.VoxeSize.y + Vector3.back * npVoxToUnity.VoxeSize.z) * 0.5f;
Vector3 LDF = cutoutOffset + npVoxToUnity.ToUnityPosition(bounds.LeftDownForward) + (Vector3.left * npVoxToUnity.VoxeSize.x + Vector3.down * npVoxToUnity.VoxeSize.y + Vector3.forward * npVoxToUnity.VoxeSize.z) * 0.5f;
Vector3 RDF = cutoutOffset + npVoxToUnity.ToUnityPosition(bounds.RightDownForward) + (Vector3.right * npVoxToUnity.VoxeSize.x + Vector3.down * npVoxToUnity.VoxeSize.y + Vector3.forward * npVoxToUnity.VoxeSize.z) * 0.5f;
Vector3 LUF = cutoutOffset + npVoxToUnity.ToUnityPosition(bounds.LeftUpForward) + (Vector3.left * npVoxToUnity.VoxeSize.x + Vector3.up * npVoxToUnity.VoxeSize.y + Vector3.forward * npVoxToUnity.VoxeSize.z) * 0.5f;
Vector3 RUF = cutoutOffset + npVoxToUnity.ToUnityPosition(bounds.RightUpForward) + (Vector3.right * npVoxToUnity.VoxeSize.x + Vector3.up * npVoxToUnity.VoxeSize.y + Vector3.forward * npVoxToUnity.VoxeSize.z) * 0.5f;
if (downSlot != null)
{
v0 = v;
vertices[v++] = LDB;
vertices[v++] = RDB;
vertices[v++] = RDF;
vertices[v++] = LDF;
addQuad(Vector3.down, downSlot);
}
if (upSlot != null)
{
v0 = v;
vertices[v++] = RUB;
vertices[v++] = LUB;
vertices[v++] = LUF;
vertices[v++] = RUF;
addQuad(Vector3.up, upSlot);
}
if (forwardSlot != null)
{
v0 = v;
vertices[v++] = LDF;
vertices[v++] = RDF;
vertices[v++] = RUF;
vertices[v++] = LUF;
addQuad(Vector3.forward, forwardSlot);
}
if (backSlot != null)
{
v0 = v;
vertices[v++] = LUB;
vertices[v++] = RUB;
vertices[v++] = RDB;
vertices[v++] = LDB;
addQuad(Vector3.back, backSlot);
}
if (leftSlot != null)
{
v0 = v;
vertices[v++] = LUF;
vertices[v++] = LUB;
vertices[v++] = LDB;
vertices[v++] = LDF;
addQuad(Vector3.left, leftSlot);
}
if (rightSlot != null)
{
v0 = v;
vertices[v++] = RUB;
vertices[v++] = RUF;
vertices[v++] = RDF;
vertices[v++] = RDB;
addQuad(Vector3.right, rightSlot);
}
mesh.vertices = vertices;
mesh.triangles = tris;
mesh.uv = uvs;
mesh.RecalculateBounds();
mesh.normals = normals;
TangentSolver.Solve(mesh);
// mesh.bounds = new Bounds(
// insetOffset,
// new Vector3(
// bounds.Size.X * npVoxToUnity.VoxeSize.x,
// bounds.Size.Y * npVoxToUnity.VoxeSize.y,
// bounds.Size.Z * npVoxToUnity.VoxeSize.z
// )
// );
Mesh sourceMesh = meshOutput.GetProduct();
mesh.bounds = sourceMesh.bounds;
mesh.name = "zzz Cube Mesh ";
return(mesh);
}
else
{
Debug.LogWarning("No Input set up");
if (mesh == null)
{
mesh = new Mesh();
}
else
{
mesh.Clear();
}
return(mesh);
}
}