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recalculate skylight on block break

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Bixilon 2022-09-27 14:18:54 +02:00
parent 4f379aed27
commit ff2272f11b
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1 changed files with 20 additions and 1 deletions
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21
src/main/java/de/bixilon/minosoft/data/world/chunk/Chunk.kt
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@ -104,7 +104,11 @@ class Chunk(
val section = getOrPut(y.sectionHeight) ?: return val section = getOrPut(y.sectionHeight) ?: return
val inSectionHeight = y.inSectionHeight val inSectionHeight = y.inSectionHeight
section[x, inSectionHeight, z] = blockState section[x, inSectionHeight, z] = blockState
val heightmapIndex = (z shl 4) or x
val previous = skylightHeightmap[heightmapIndex]
updateHeightmap(x, y, z, blockState != null) updateHeightmap(x, y, z, blockState != null)
onHeightmapUpdate(x, y, z, previous, skylightHeightmap[heightmapIndex])
section.blockEntities[x, inSectionHeight, z] = blockEntity section.blockEntities[x, inSectionHeight, z] = blockEntity
if (blockEntity == null) { if (blockEntity == null) {
@ -475,7 +479,22 @@ class Chunk(
} }
section.release() section.release()
} }
skylightHeightmap[(z shl 4) or x] = y val heightmapIndex = (z shl 4) or x
skylightHeightmap[heightmapIndex] = y
}
private fun onHeightmapUpdate(x: Int, y: Int, z: Int, previous: Int, now: Int) {
if (previous == now) {
return
}
if (previous < y) {
// block is now higher
// ToDo: Clear light
} else if (previous > y) {
// block is lower
startSkylightFloodFill(x, z)
}
} }
private fun updateHeightmap(x: Int, y: Int, z: Int, place: Boolean) { private fun updateHeightmap(x: Int, y: Int, z: Int, place: Boolean) {