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Fix for clearing empty nodes.

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This commit is contained in:
Andrzej Kapolka 2014-10-23 13:37:11 -07:00
parent 34cba5c031
commit ef0a400dcb
1 changed files with 41 additions and 37 deletions
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78
libraries/metavoxels/src/MetavoxelMessages.cpp
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@ -1049,19 +1049,14 @@ int HeightfieldClearFetchVisitor::visit(MetavoxelInfo& info) {
}
// if all is gone, clear the node
if (!foundNonZero) {
info.outputValues[0] = AttributeValue(_outputs.at(0),
encodeInline<HeightfieldHeightDataPointer>(HeightfieldHeightDataPointer()));
info.outputValues[1] = AttributeValue(_outputs.at(1),
encodeInline<HeightfieldColorDataPointer>(HeightfieldColorDataPointer()));
info.outputValues[2] = AttributeValue(_outputs.at(2),
encodeInline<HeightfieldMaterialDataPointer>(HeightfieldMaterialDataPointer()));
return STOP_RECURSION;
if (foundNonZero) {
HeightfieldHeightDataPointer newHeightPointer(new HeightfieldHeightData(contents));
info.outputValues[0] = AttributeValue(_outputs.at(0), encodeInline<HeightfieldHeightDataPointer>(newHeightPointer));
} else {
info.outputValues[0] = AttributeValue(_outputs.at(0));
}
HeightfieldHeightDataPointer newHeightPointer(new HeightfieldHeightData(contents));
info.outputValues[0] = AttributeValue(_outputs.at(0), encodeInline<HeightfieldHeightDataPointer>(newHeightPointer));
// allow a border for what we clear in terms of color/material
innerBounds.minimum.x += increment;
innerBounds.minimum.z += increment;
@ -1090,19 +1085,24 @@ int HeightfieldClearFetchVisitor::visit(MetavoxelInfo& info) {
memcpy(dest, src, destWidth * DataBlock::COLOR_BYTES);
}
destX = (innerOverlap.minimum.x - info.minimum.x) * heightScale;
destY = (innerOverlap.minimum.z - info.minimum.z) * heightScale;
destWidth = glm::ceil((innerOverlap.maximum.x - innerOverlap.minimum.x) * heightScale);
destHeight = glm::ceil((innerOverlap.maximum.z - innerOverlap.minimum.z) * heightScale);
if (destWidth > 0 && destHeight > 0) {
dest = contents.data() + (destY * size + destX) * DataBlock::COLOR_BYTES;
for (int y = 0; y < destHeight; y++, dest += size * DataBlock::COLOR_BYTES) {
memset(dest, 0, destWidth * DataBlock::COLOR_BYTES);
if (foundNonZero) {
destX = (innerOverlap.minimum.x - info.minimum.x) * heightScale;
destY = (innerOverlap.minimum.z - info.minimum.z) * heightScale;
destWidth = glm::ceil((innerOverlap.maximum.x - innerOverlap.minimum.x) * heightScale);
destHeight = glm::ceil((innerOverlap.maximum.z - innerOverlap.minimum.z) * heightScale);
if (destWidth > 0 && destHeight > 0) {
dest = contents.data() + (destY * size + destX) * DataBlock::COLOR_BYTES;
for (int y = 0; y < destHeight; y++, dest += size * DataBlock::COLOR_BYTES) {
memset(dest, 0, destWidth * DataBlock::COLOR_BYTES);
}
HeightfieldColorDataPointer newColorPointer(new HeightfieldColorData(contents));
info.outputValues[1] = AttributeValue(_outputs.at(1),
encodeInline<HeightfieldColorDataPointer>(newColorPointer));
}
HeightfieldColorDataPointer newColorPointer(new HeightfieldColorData(contents));
info.outputValues[1] = AttributeValue(_outputs.at(1), encodeInline<HeightfieldColorDataPointer>(newColorPointer));
} else {
info.outputValues[1] = AttributeValue(_outputs.at(1));
}
}
@ -1139,21 +1139,25 @@ int HeightfieldClearFetchVisitor::visit(MetavoxelInfo& info) {
}
}
destX = (innerOverlap.minimum.x - info.minimum.x) * heightScale;
destY = (innerOverlap.minimum.z - info.minimum.z) * heightScale;
destWidth = glm::ceil((innerOverlap.maximum.x - innerOverlap.minimum.x) * heightScale);
destHeight = glm::ceil((innerOverlap.maximum.z - innerOverlap.minimum.z) * heightScale);
if (destWidth > 0 && destHeight > 0) {
dest = (uchar*)contents.data() + destY * size + destX;
for (int y = 0; y < destHeight; y++, dest += size) {
memset(dest, 0, destWidth);
if (foundNonZero) {
destX = (innerOverlap.minimum.x - info.minimum.x) * heightScale;
destY = (innerOverlap.minimum.z - info.minimum.z) * heightScale;
destWidth = glm::ceil((innerOverlap.maximum.x - innerOverlap.minimum.x) * heightScale);
destHeight = glm::ceil((innerOverlap.maximum.z - innerOverlap.minimum.z) * heightScale);
if (destWidth > 0 && destHeight > 0) {
dest = (uchar*)contents.data() + destY * size + destX;
for (int y = 0; y < destHeight; y++, dest += size) {
memset(dest, 0, destWidth);
}
clearUnusedMaterials(materials, contents);
HeightfieldMaterialDataPointer newMaterialPointer(new HeightfieldMaterialData(contents, materials));
info.outputValues[2] = AttributeValue(_outputs.at(2),
encodeInline<HeightfieldMaterialDataPointer>(newMaterialPointer));
}
clearUnusedMaterials(materials, contents);
HeightfieldMaterialDataPointer newMaterialPointer(new HeightfieldMaterialData(contents, materials));
info.outputValues[2] = AttributeValue(_outputs.at(2),
encodeInline<HeightfieldMaterialDataPointer>(newMaterialPointer));
} else {
info.outputValues[2] = AttributeValue(_outputs.at(2));
}
}