public VoxelRenderer(Index index, Tree control)
: this(index, control, new Vector3(
index.x * control.sizes[index.depth],
index.y * control.sizes[index.depth],
index.z * control.sizes[index.depth]))
{
}
protected void apply(Application app, VoxelBlock block, Index pos)
{
Index cornerChild = pos.getChild();
for(byte c = 0; c<VoxelBlock.CHILD_COUNT; ++c) {
// TODO: use min and max to reduce number of values considered
Index childPos = cornerChild.getNeighbor(c);
Action action = checkMutation(app, childPos);
// check if voxel is outside of modifier area
if (!action.modify)
continue;
// check if voxel is inside of masked area
Action maskAction = checkMasks(app.tree, childPos);
if (!maskAction.modify)
continue;
// recurse or set full voxel
if (childPos.depth < app.tree.maximumDetail && (maskAction.doTraverse || action.doTraverse))
apply(app, block.expand(childPos.xLocal, childPos.yLocal, childPos.zLocal), childPos);
else
block.children[childPos.xLocal, childPos.yLocal, childPos.zLocal] =
mutate(app, childPos, action, block.children[childPos.xLocal, childPos.yLocal, childPos.zLocal].toVoxel());
// update meshes if appropriate
if (childPos.depth == app.tree.maximumDetail - VoxelRenderer.VOXEL_COUNT_POWER) {
UpdateCheckJob job = new UpdateCheckJob(block, app.tree, childPos.depth);
job.setOffset((byte)childPos.x, (byte)childPos.y, (byte)childPos.z);
job.setForce(true);
app.jobs.Add(job);
}
}
}
protected Action checkMasks(OcTree tree, Index p)
{
// skip if no masks
if (tree.masks == null)
return new Action(false, true);
// check against each mask
int voxelSize = 1 << (tree.maximumDetail - p.depth);
Action action = new Action(false, true);
foreach (VoxelMask mask in tree.masks) {
if (mask.active) {
// calculate relative position
int comparison = (mask.maskAbove)?
compareToVoxel((int)mask.yPosition, (int)p.y, voxelSize):
-compareToVoxel((int)mask.yPosition, (int)p.y, voxelSize);
// evaluate action based on relative position
if (comparison == 0)
action.doTraverse = true;
else if (comparison < 0)
return new Action(false, false);
}
}
return action;
}
public override LocalAction checkMutation(LocalApplication app, Index p, Vector3 diff, float voxelSize)
{
CubeApp cApp = (CubeApp)app;
CubeAction action = new CubeAction();
if (p.depth >= app.tree.maximumDetail)
voxelSize *= 0.5f;
action.percentInside = 1;
bool outside = false;
bool inside = true;
action.percentInside *= 1 - (2 - percentOverlapping(diff.x, cApp.halfDimension.x, voxelSize, ref outside, ref inside)
- percentOverlapping(-diff.x, cApp.halfDimension.x, voxelSize, ref outside, ref inside));
if (outside) return action;
action.percentInside *= 1 - (2 - percentOverlapping(diff.y, cApp.halfDimension.y, voxelSize, ref outside, ref inside)
- percentOverlapping(-diff.y, cApp.halfDimension.y, voxelSize, ref outside, ref inside));
if (outside) return action;
action.percentInside *= 1 - (2 - percentOverlapping(diff.z, cApp.halfDimension.z, voxelSize, ref outside, ref inside)
- percentOverlapping(-diff.z, cApp.halfDimension.z, voxelSize, ref outside, ref inside));
if (outside) return action;
action.modify = true;
if (!overwriteShape || !inside)
action.doTraverse = true;
return action;
}
public override LocalAction checkMutation(LocalApplication app, Index p, Vector3 diff, float voxelSize) {
LineApplication lApp = (LineApplication) app;
Vector3 cp = closestPointToPath(lApp.points, diff);
Vector3 virtualDiff = diff - cp;
LocalAction action = child.checkMutation(((LineApplication)app).childApp, p, virtualDiff, voxelSize);
action.diff = virtualDiff;
return action;
}
protected override Action checkMutation(Application app, Index p) {
LocalApplication lApp = (LocalApplication)app;
float voxelSize = calculateVoxelSize(app, p);
Vector3 diff = calculateDiff(lApp.position, p, voxelSize);
LocalAction action = checkMutation(lApp, p, diff, voxelSize);
action.voxelSize = voxelSize;
return action;
}
protected override Voxel mutate(Application app, Index pos, Action action, Voxel original) {
BlurApp bApp = (BlurApp)app;
BlurAction bAction = (BlurAction)action;
float dis = Mathf.Sqrt(bAction.disSqr);
float actualStrength = strength * (1 - (dis / bApp.radius));
if (actualStrength <= 0)
return original;
byte newOpacity = calculateOpacity(bApp.original, pos.x - app.min.x, pos.y - app.min.y, pos.z - app.min.z, actualStrength);
return new Voxel(original.averageMaterialType(), newOpacity);
}
public override Voxel mutate(LocalApplication app, Index p, LocalAction action, Voxel original) {
CubeAction cAction = (CubeAction)action;
byte newOpacity = (byte)((original.averageOpacity() * (1 - cAction.percentInside) + value.averageOpacity() * (cAction.percentInside)));
byte newSubstance = original.averageMaterialType();
if (overwriteSubstance && cAction.percentInside > 0.5)
newSubstance = value.averageMaterialType();
if (!overwriteShape)
newOpacity = original.averageOpacity();
return new Voxel(newSubstance, newOpacity);
}
public VoxelRenderer(Index index, Tree control, Vector3 localPosition) {
this.index = index;
this.position = localPosition;
this.control = control;
size = 0;
++rendCount;
VERTS = new Vector3[0];
NORMS = new Vector3[0];
TRIS = new int[0];
lock(control) {
control.renderers[index] = this;
}
}
public override Voxel mutate(LocalApplication app, Index p, LocalAction action, Voxel original) {
SphereApp sApp = (SphereApp)app;
SphereAction sAction = (SphereAction)action;
float dis = Mathf.Sqrt(sAction.disSqr);
float percentInside = Mathf.Min((sAction.maxRadius -dis) /(sAction.maxRadius -sAction.minRadius), 1);
byte newOpacity = (byte)(original.averageOpacity() * (1 -percentInside) + value.averageOpacity() * percentInside);
byte newSubstance = original.averageMaterialType();
if (overwriteSubstance && (dis < sApp.radius || percentInside > 0.5f))
newSubstance = value.averageMaterialType();
if (!overwriteShape)
newOpacity = original.averageOpacity();
return new Voxel(newSubstance, newOpacity);
}
protected override Action checkMutation(Application app, Index pos) {
BlurApp bApp = (BlurApp)app;
BlurAction action = new BlurAction();
float voxelSize = LocalMutator.calculateVoxelSize(app, pos);
Vector3 diff = LocalMutator.calculateDiff(bApp.position, pos, voxelSize);
action.disSqr = diff.sqrMagnitude;
float maxRadius = bApp.radius + voxelSize;
float maxRadSqr = maxRadius * maxRadius;
if (action.disSqr > maxRadSqr)
return action;
action.doTraverse = true;
action.modify = true;
return action;
}
public override LocalAction checkMutation(LocalApplication app, Index p, Vector3 diff, float voxelSize) {
SphereApp sApp = (SphereApp)app;
SphereAction action = new SphereAction();
action.disSqr = diff.sqrMagnitude;
action.maxRadius = sApp.radius + voxelSize;
float maxRadSqr = action.maxRadius * action.maxRadius;
if (action.disSqr > maxRadSqr)
return action;
action.modify = true;
action.minRadius = Mathf.Max(0, sApp.radius - voxelSize);
float minRadSqr = action.minRadius * action.minRadius;
if (!overwriteShape || action.disSqr >= minRadSqr)
action.doTraverse = true;
return action;
}
public override Voxel mutate(LocalApplication app, Index p, LocalAction action, Voxel original)
{
SphereApp sApp = (SphereApp)app;
SphereAction sAction = (SphereAction)action;
float dis = Mathf.Sqrt(sAction.disSqr);
byte newOpacity = (dis <= sAction.minRadius) ?
value.averageOpacity() :
(byte)((original.averageOpacity() * (dis - sAction.minRadius) + value.averageOpacity() * (sAction.maxRadius - dis)) / 2);
byte newSubstance = original.averageMaterialType();
if (newOpacity >= 2 * original.averageOpacity() ||
(overwriteSubstance && dis < sApp.radius))
newSubstance = value.averageMaterialType();
if (!overwriteShape)
newOpacity = original.averageOpacity();
return new Voxel(newSubstance, newOpacity);
}
public abstract LocalAction checkMutation(LocalApplication app, Index p, Vector3 diff, float voxelSize);
public abstract Voxel mutate(LocalApplication app, Index p, LocalAction action, Voxel original);
public override void putInArray(ref Voxel[,,] array, Index position, uint xMin, uint yMin, uint zMin, uint xMax, uint yMax, uint zMax)
{
uint size = 1u << (VoxelBlock.CHILD_COUNT_POWER *position.depth);
uint xStart = (uint)Mathf.Max(position.x, xMin) -xMin;
uint xEnd = (uint)Mathf.Min(position.x +size, xMax) -xMin;
uint yStart = (uint)Mathf.Max(position.y, yMin) -yMin;
uint yEnd = (uint)Mathf.Min(position.y +size, yMax) -yMin;
uint zStart = (uint)Mathf.Max(position.z, zMin) -zMin;
uint zEnd = (uint)Mathf.Min(position.z +size, zMax) -zMin;
for(uint xi=xStart; xi<xEnd; ++xi) {
for(uint yi=yStart; yi<yEnd; ++yi) {
for(uint zi=zStart; zi<zEnd; ++zi) {
array[xi, yi, zi] = this;
}
}
}
}
protected override Voxel mutate(Application app, Index p, Action action, Voxel original) {
return mutate((LocalApplication)app, p, (LocalAction)action, original);
}
public override Voxel mutate(LocalApplication app, Index p, LocalAction action, Voxel original)
{
return child.mutate(((LineApplication)app).childApp, p, action, original);
}
protected abstract Action checkMutation(Application app, Index pos);
public override void putInArray(ref Voxel[,,] array, Index position, uint xMin, uint yMin, uint zMin, uint xMax, uint yMax, uint zMax)
{
uint size = 1u << (CHILD_COUNT_POWER *position.depth -CHILD_COUNT_POWER);
for(uint xi=0; xi<CHILD_DIMENSION; ++xi) {
uint xPos = position.x +xi *size;
if (xPos > xMax || xPos +size < xMin)
continue;
for (uint yi=0; yi<CHILD_DIMENSION; ++yi) {
uint yPos = position.y +yi *size;
if (yPos > yMax || yPos +size < yMin)
continue;
for (uint zi=0; zi<CHILD_DIMENSION; ++zi) {
uint zPos = position.z +zi *size;
if (zPos > zMax || zPos +size < zMin)
continue;
children[xi, yi, zi].putInArray(ref array, new Index((byte)(position.depth -1), xPos, yPos, zPos), xMin, yMin, zMin, xMax, yMax, zMax);
}
}
}
}
public override VoxelHolder get(Index i)
{
return get(i.depth, i.x, i.y, i.z);
}
public override VoxelHolder get(Index i) {
return this;
}
protected abstract Voxel mutate(Application app, Index pos, Action action, Voxel original);
public static float calculateVoxelSize(Application app, Index p) {
return 1 << (app.tree.maxDetail - p.depth);
}
public static Vector3 calculateDiff(Vector3 position, Index p, float voxelSize) {
Vector3 diff = new Vector3(p.x + 0.5f, p.y + 0.5f, p.z + 0.5f) * voxelSize -position;
return diff;
}
public abstract VoxelHolder get(Index i);
public VoxelRenderer getRenderer() {
Index i = new Index(detailLevel, xOff, yOff, zOff);
return control.getRenderer(i);
}
public abstract void putInArray(ref Voxel[,,] array, Index position, uint xMin, uint yMin, uint zMin, uint xMax, uint yMax, uint zMax);
