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Another tweak.

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This commit is contained in:
Andrzej Kapolka 2015-01-22 22:04:10 -08:00
parent c124dffd6a
commit b8a15f0726
1 changed files with 12 additions and 4 deletions
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16
interface/src/MetavoxelSystem.cpp
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@ -1542,13 +1542,21 @@ static inline void appendTriangle(const EdgeCrossing& e0, const EdgeCrossing& e1
const int CORNER_COUNT = 4;
static inline StackArray::Entry getEntry(const StackArray* lineSrc, int stackWidth, int y, float heightfieldHeight,
static StackArray::Entry getEntry(const StackArray* lineSrc, int stackWidth, int y, float heightfieldHeight,
EdgeCrossing cornerCrossings[CORNER_COUNT], int cornerIndex) {
int offsetX = (cornerIndex & X_MAXIMUM_FLAG) ? 1 : 0;
int offsetZ = (cornerIndex & Y_MAXIMUM_FLAG) ? 1 : 0;
const StackArray& src = lineSrc[offsetZ * stackWidth + offsetX];
int count = src.getEntryCount();
if (count > 0) {
int relative = y - src.getPosition();
if (relative < count && (relative >= 0 || heightfieldHeight == 0.0f)) {
return src.getEntry(y, heightfieldHeight);
}
}
const EdgeCrossing& cornerCrossing = cornerCrossings[cornerIndex];
if (cornerCrossing.point.y == 0.0f) {
int offsetX = (cornerIndex & X_MAXIMUM_FLAG) ? 1 : 0;
int offsetZ = (cornerIndex & Y_MAXIMUM_FLAG) ? 1 : 0;
return lineSrc[offsetZ * stackWidth + offsetX].getEntry(y, heightfieldHeight);
return src.getEntry(y, heightfieldHeight);
}
StackArray::Entry entry;
bool set = false;