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Fixes for deltas when root hasn't changed, range updates.

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This commit is contained in:
Andrzej Kapolka 2015-01-16 16:49:22 -08:00
parent 2497b2fe39
commit 3dbbbb72b0
2 changed files with 16 additions and 17 deletions
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4
libraries/metavoxels/src/MetavoxelMessages.cpp
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@ -213,8 +213,8 @@ bool SpannerProjectionFetchVisitor::visit(Spanner* spanner) {
heightfield->getScale() * heightfield->getAspectZ())) *
glm::mat4_cast(glm::inverse(heightfield->getRotation())) * glm::translate(-heightfield->getTranslation());
Box transformedBounds = transform * _bounds;
if (transformedBounds.maximum.x < 0.0f && transformedBounds.maximum.z < 0.0f &&
transformedBounds.minimum.x > 1.0f && transformedBounds.minimum.z > 1.0f) {
if (transformedBounds.maximum.x < 0.0f || transformedBounds.maximum.z < 0.0f ||
transformedBounds.minimum.x > 1.0f || transformedBounds.minimum.z > 1.0f) {
return true;
}
float distance = qMin(glm::abs(transformedBounds.minimum.y), glm::abs(transformedBounds.maximum.y));

29
libraries/metavoxels/src/Spanner.cpp
View file

@ -2079,8 +2079,19 @@ HeightfieldNode* HeightfieldNode::fillHeight(const glm::vec3& translation, const
void HeightfieldNode::getRangeAfterEdit(const glm::vec3& translation, const glm::quat& rotation, const glm::vec3& scale,
const Box& editBounds, float& minimum, float& maximum) const {
Box bounds = glm::translate(translation) * glm::mat4_cast(rotation) * Box(glm::vec3(), scale);
if (!bounds.intersects(editBounds)) {
if (!_height) {
return;
}
int heightWidth = _height->getWidth();
int heightHeight = _height->getContents().size() / heightWidth;
int innerHeightWidth = heightWidth - HeightfieldHeight::HEIGHT_EXTENSION;
int innerHeightHeight = heightHeight - HeightfieldHeight::HEIGHT_EXTENSION;
glm::mat4 baseInverseTransform = glm::mat4_cast(glm::inverse(rotation)) * glm::translate(-translation);
glm::vec3 inverseScale(innerHeightWidth / scale.x, numeric_limits<quint16>::max() / scale.y, innerHeightHeight / scale.z);
glm::mat4 inverseTransform = glm::translate(glm::vec3(1.0f, 0.0f, 1.0f)) * glm::scale(inverseScale) * baseInverseTransform;
Box transformedBounds = inverseTransform * editBounds;
if (transformedBounds.maximum.x < 0.0f || transformedBounds.maximum.z < 0.0f ||
transformedBounds.minimum.x > heightWidth - 1 || transformedBounds.minimum.z > heightHeight - 1) {
return;
}
if (!isLeaf()) {
@ -2093,19 +2104,6 @@ void HeightfieldNode::getRangeAfterEdit(const glm::vec3& translation, const glm:
}
return;
}
if (!_height) {
return;
}
int heightWidth = _height->getWidth();
int heightHeight = _height->getContents().size() / heightWidth;
int innerHeightWidth = heightWidth - HeightfieldHeight::HEIGHT_EXTENSION;
int innerHeightHeight = heightHeight - HeightfieldHeight::HEIGHT_EXTENSION;
glm::mat4 baseInverseTransform = glm::mat4_cast(glm::inverse(rotation)) * glm::translate(-translation);
glm::vec3 inverseScale(innerHeightWidth / scale.x, numeric_limits<quint16>::max() / scale.y, innerHeightHeight / scale.z);
glm::mat4 inverseTransform = glm::translate(glm::vec3(1.0f, 0.0f, 1.0f)) * glm::scale(inverseScale) * baseInverseTransform;
Box transformedBounds = inverseTransform * editBounds;
glm::vec3 start = glm::floor(transformedBounds.minimum);
glm::vec3 end = glm::ceil(transformedBounds.maximum);
@ -3764,6 +3762,7 @@ void Heightfield::readExtraDelta(Bitstream& in, const SharedObject* reference) {
HeightfieldStreamBase base = { in, lod, referenceLOD };
HeightfieldStreamState state = { base, glm::vec2(), 1.0f };
setRoot(static_cast<const Heightfield*>(reference)->getRoot());
bool changed;
in >> changed;
if (changed) {