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light: properly recalculate solid block changes

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Bixilon 2022-08-28 22:52:18 +02:00
parent ac054ed581
commit f5c6fe8304
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1 changed files with 16 additions and 13 deletions
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29
src/main/java/de/bixilon/minosoft/data/world/chunk/light/SectionLight.kt
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@ -44,42 +44,45 @@ class SectionLight(
// that is kind of hacky, but far easier and kind of faster
val light = this.light[getIndex(x, y, z)].toInt() and 0x0F
decreaseLight(x, y, z, light)
decreaseLight(x, y, z, light, true) // just clear the light
decreaseLight(x, y, z, light, false) //
}
private fun decreaseLight(x: Int, y: Int, z: Int, light: Int) {
decreaseCheckLevel(x, z, light)
private fun decreaseLight(x: Int, y: Int, z: Int, light: Int, reset: Boolean) {
decreaseCheckLevel(x, z, light, reset)
val neighbours = section.neighbours ?: return
if (y - light < 0) {
neighbours[Directions.O_DOWN]?.light?.decreaseCheckLevel(x, z, light - y)
neighbours[Directions.O_DOWN]?.light?.decreaseCheckLevel(x, z, light - y, reset)
}
if (y + light > ProtocolDefinition.SECTION_MAX_Y) {
neighbours[Directions.O_UP]?.light?.decreaseCheckLevel(x, z, light - (ProtocolDefinition.SECTION_MAX_Y - y))
neighbours[Directions.O_UP]?.light?.decreaseCheckLevel(x, z, light - (ProtocolDefinition.SECTION_MAX_Y - y), reset)
}
}
private fun decreaseCheckLevel(x: Int, z: Int, light: Int) {
decreaseCheckX(z, light)
private fun decreaseCheckLevel(x: Int, z: Int, light: Int, reset: Boolean) {
decreaseCheckX(z, light, reset)
val neighbours = section.neighbours ?: return
if (x - light < 0) {
neighbours[Directions.O_WEST]?.light?.decreaseCheckX(z, light - x)
neighbours[Directions.O_WEST]?.light?.decreaseCheckX(z, light - x, reset)
}
if (x + light > ProtocolDefinition.SECTION_MAX_X) {
neighbours[Directions.O_EAST]?.light?.decreaseCheckX(z, light - (ProtocolDefinition.SECTION_MAX_X - x))
neighbours[Directions.O_EAST]?.light?.decreaseCheckX(z, light - (ProtocolDefinition.SECTION_MAX_X - x), reset)
}
}
private fun decreaseCheckX(z: Int, light: Int) {
private fun decreaseCheckX(z: Int, light: Int, reset: Boolean) {
val neighbours = section.neighbours ?: return
recalculate()
if (reset) resetLight() else calculate()
if (z - light < 0) {
neighbours[Directions.O_NORTH]?.light?.recalculate()
val neighbour = neighbours[Directions.O_NORTH]?.light
if (reset) neighbour?.resetLight() else neighbour?.calculate()
}
if (z + light > ProtocolDefinition.SECTION_MAX_Z) {
neighbours[Directions.O_SOUTH]?.light?.recalculate()
val neighbour = neighbours[Directions.O_SOUTH]?.light
if (reset) neighbour?.resetLight() else neighbour?.calculate()
}
}