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occlusion culling: improve memory efficiency

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Bixilon 2023-05-30 16:22:17 +02:00
parent 61668f29e4
commit 13f16e29f9
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GPG Key ID: 5CAD791931B09AC4
1 changed files with 6 additions and 4 deletions
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src/main/java/de/bixilon/minosoft/data/world/container/block/SectionOcclusion.kt
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@ -99,7 +99,7 @@ class SectionOcclusion(
} }
val nRegion = regions[indexPrefix].toInt() val nRegion = regions[indexPrefix].toInt()
if (nRegion > 0) { if (nRegion > 0) {
sideRegions[nDirection.ordinal] += nRegion sideRegions[nDirection.ordinal].add(nRegion) // primitive
} }
val pDirection = when (axis) { val pDirection = when (axis) {
@ -114,7 +114,7 @@ class SectionOcclusion(
} }
val pRegion = regions[index2].toInt() val pRegion = regions[index2].toInt()
if (pRegion > 0) { if (pRegion > 0) {
sideRegions[pDirection.ordinal] += pRegion sideRegions[pDirection.ordinal].add(pRegion) // primitive
} }
} }
} }
@ -148,8 +148,10 @@ class SectionOcclusion(
val first = if (preferIn) inSides else outSides val first = if (preferIn) inSides else outSides
val second = if (preferIn) outSides else inSides val second = if (preferIn) outSides else inSides
for (region in first.intIterator()) { val iterator = first.intIterator()
if (region in second) { while (iterator.hasNext()) {
val region = iterator.nextInt()
if (second.contains(region)) {
return false return false
} }
} }