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light: fix bugs and improve performance when propagating light from neighbours

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Bixilon 2022-09-27 19:48:23 +02:00
parent 6c7915dcaf
commit e981d0718a
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GPG Key ID: 5CAD791931B09AC4
1 changed files with 7 additions and 1 deletions
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8
src/main/java/de/bixilon/minosoft/data/world/chunk/light/SectionLight.kt
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@ -255,10 +255,12 @@ class SectionLight(
for (y in 0 until ProtocolDefinition.SECTION_HEIGHT_Y) {
val totalY = baseY + y
neighbours[Directions.O_WEST]?.light?.get(ProtocolDefinition.SECTION_MAX_Z, y, z)?.toInt()?.let {
if (it == 0) return@let
traceIncrease(0, y, z, (it and BLOCK_LIGHT_MASK).dec(), Directions.EAST)
traceSkylight(0, y, z, (it and SKY_LIGHT_MASK shr 4).dec(), Directions.EAST, totalY)
}
neighbours[Directions.O_EAST]?.light?.get(0, y, z)?.toInt()?.dec()?.let {
neighbours[Directions.O_EAST]?.light?.get(0, y, z)?.toInt()?.let {
if (it == 0) return@let
traceIncrease(ProtocolDefinition.SECTION_MAX_X, y, z, (it and BLOCK_LIGHT_MASK).dec(), Directions.WEST)
traceSkylight(ProtocolDefinition.SECTION_MAX_X, y, z, (it and SKY_LIGHT_MASK shr 4).dec(), Directions.WEST, totalY)
}
@ -270,10 +272,12 @@ class SectionLight(
for (y in 0 until ProtocolDefinition.SECTION_HEIGHT_Y) {
val totalY = baseY + y
neighbours[Directions.O_NORTH]?.light?.get(x, y, ProtocolDefinition.SECTION_MAX_Z)?.toInt()?.let {
if (it == 0) return@let
traceIncrease(x, y, 0, (it and BLOCK_LIGHT_MASK).dec(), Directions.SOUTH)
traceSkylight(x, y, 0, (it and SKY_LIGHT_MASK shr 4).dec(), Directions.SOUTH, totalY)
}
neighbours[Directions.O_SOUTH]?.light?.get(x, y, 0)?.toInt()?.let {
if (it == 0) return@let
traceIncrease(x, y, ProtocolDefinition.SECTION_MAX_Z, (it and BLOCK_LIGHT_MASK).dec(), Directions.NORTH)
traceSkylight(x, y, ProtocolDefinition.SECTION_MAX_Z, (it and SKY_LIGHT_MASK shr 4).dec(), Directions.NORTH, totalY)
}
@ -283,10 +287,12 @@ class SectionLight(
private fun propagateY(neighbours: Array<ChunkSection?>, x: Int, baseY: Int) {
for (z in 0 until ProtocolDefinition.SECTION_WIDTH_Z) {
neighbours[Directions.O_DOWN]?.light?.get(x, ProtocolDefinition.SECTION_MAX_Y, z)?.toInt()?.let {
if (it == 0) return@let
traceIncrease(x, 0, z, (it and BLOCK_LIGHT_MASK).dec(), Directions.UP)
traceSkylight(x, 0, z, (it and SKY_LIGHT_MASK shr 4).dec(), Directions.UP, baseY + 0) // ToDo: Is that possible?
}
neighbours[Directions.O_UP]?.light?.get(x, 0, z)?.toInt()?.let {
if (it == 0) return@let
traceIncrease(x, ProtocolDefinition.SECTION_MAX_Y, z, (it and BLOCK_LIGHT_MASK).dec(), Directions.DOWN)
traceSkylight(x, ProtocolDefinition.SECTION_MAX_Y, z, (it and SKY_LIGHT_MASK shr 4).dec(), Directions.DOWN, baseY + ProtocolDefinition.SECTION_MAX_Y)
}