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occlusion tracer: only store path by axis

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Its not possible that 2 different direction on the same axis are stored at the same position. Halves the temporary memory.
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Moritz Zwerger 2025-03-10 15:49:22 +01:00
parent 01ad5be5f8
commit 81d6647074
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GPG Key ID: 5CAD791931B09AC4
1 changed files with 3 additions and 3 deletions
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src/main/java/de/bixilon/minosoft/gui/rendering/camera/occlusion/OcclusionTracer.kt
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@ -40,7 +40,7 @@ class OcclusionTracer(
private val skip = SectionPositionSet(chunkPosition, viewDistance, minSection, dimension.sections + 2) // TODO: reuse private val skip = SectionPositionSet(chunkPosition, viewDistance, minSection, dimension.sections + 2) // TODO: reuse
private val visible = SectionPositionSet(chunkPosition, viewDistance, minSection, dimension.sections + 2) private val visible = SectionPositionSet(chunkPosition, viewDistance, minSection, dimension.sections + 2)
private val paths = Array(6) { SectionPositionSet(chunkPosition, viewDistance, minSection, dimension.sections + 2) } private val paths = Array(Axes.VALUES.size) { SectionPositionSet(chunkPosition, viewDistance, minSection, dimension.sections + 2) }
private inline fun isInViewDistance(chunk: Chunk): Boolean { private inline fun isInViewDistance(chunk: Chunk): Boolean {
@ -56,14 +56,14 @@ class OcclusionTracer(
val position = SectionPosition.of(chunk.position, height) val position = SectionPosition.of(chunk.position, height)
if (position in skip) return if (position in skip) return
if (position in paths[direction.ordinal]) return // path from same source direction already taken if (position in paths[direction.axis.ordinal]) return // path from same source direction already taken
val section = chunk[height] val section = chunk[height]
if (!frustum.containsChunkSection(position)) { if (!frustum.containsChunkSection(position)) {
skip += position skip += position
return return
} }
paths[direction.ordinal] += position paths[direction.axis.ordinal] += position
visible += position visible += position