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ambient occlusion

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west + east
This commit is contained in:
Moritz Zwerger 2025-02-07 23:33:28 +01:00
parent b6d14b3a9b
commit 6a9cc77879
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2 changed files with 86 additions and 6 deletions
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5
src/main/java/de/bixilon/minosoft/gui/rendering/chunk/mesher/SolidSectionMesher.kt
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@ -137,6 +137,11 @@ class SolidSectionMesher(
AmbientOcclusionUtil.setBottom(section, x, y, z, ao[O_DOWN])
AmbientOcclusionUtil.setTop(section, x, y, z, ao[O_UP])
AmbientOcclusionUtil.setNorth(section, x, y, z, ao[O_NORTH])
AmbientOcclusionUtil.setSouth(section, x, y, z, ao[O_SOUTH])
AmbientOcclusionUtil.setWest(section, x, y, z, ao[O_WEST])
AmbientOcclusionUtil.setEast(section, x, y, z, ao[O_EAST])
val tints = tints.getBlockTint(state, chunk, x, position.y, z)

87
src/main/java/de/bixilon/minosoft/gui/rendering/light/AmbientOcclusionUtil.kt
View File

@ -96,6 +96,17 @@ object AmbientOcclusionUtil {
ao[if (flip) 1 else 3] = calculateLevel(south, west, section.trace(x - 1, y, z + 1))
}
fun setBottom(section: ChunkSection, x: Int, y: Int, z: Int, ao: IntArray) {
var section: ChunkSection? = section
var y = y - 1
if (y < 0) {
section = section?.neighbours?.get(O_DOWN)
y = ProtocolDefinition.SECTION_MAX_Y
}
setY(section, x, y, z, true, ao)
}
fun setTop(section: ChunkSection, x: Int, y: Int, z: Int, ao: IntArray) {
var section: ChunkSection? = section
var y = y + 1
@ -107,14 +118,78 @@ object AmbientOcclusionUtil {
setY(section, x, y, z, false, ao)
}
fun setBottom(section: ChunkSection, x: Int, y: Int, z: Int, ao: IntArray) {
fun setZ(section: ChunkSection?, x: Int, y: Int, z: Int, flip: Boolean, ao: IntArray) {
ao.clear()
if (section == null || section.blocks.isEmpty) return
val down = section.trace(x + 0, y - 1, z)
val west = section.trace(x - 1, y + 0, z)
val up = section.trace(x + 0, y + 1, z)
val east = section.trace(x + 1, y + 0, z)
ao[0] = calculateLevel(down, west, section.trace(x - 1, y - 1, z))
ao[if (flip) 3 else 1] = calculateLevel(west, up, section.trace(x - 1, y + 1, z))
ao[2] = calculateLevel(up, east, section.trace(x + 1, y + 1, z))
ao[if (flip) 1 else 3] = calculateLevel(east, down, section.trace(x + 1, y - 1, z))
}
fun setNorth(section: ChunkSection, x: Int, y: Int, z: Int, ao: IntArray) {
var section: ChunkSection? = section
var y = y - 1
if (y < 0) {
section = section?.neighbours?.get(O_DOWN)
y = ProtocolDefinition.SECTION_MAX_Y
var z = z - 1
if (z < 0) {
section = section?.neighbours?.get(O_NORTH)
z = ProtocolDefinition.SECTION_MAX_Z
}
setY(section, x, y, z, true, ao)
setZ(section, x, y, z, true, ao)
}
fun setSouth(section: ChunkSection, x: Int, y: Int, z: Int, ao: IntArray) {
var section: ChunkSection? = section
var z = z + 1
if (z > ProtocolDefinition.SECTION_MAX_Z) {
section = section?.neighbours?.get(O_SOUTH)
z = 0
}
setZ(section, x, y, z, false, ao)
}
fun setX(section: ChunkSection?, x: Int, y: Int, z: Int, flip: Boolean, ao: IntArray) {
ao.clear()
if (section == null || section.blocks.isEmpty) return
val down = section.trace(x + 0, y - 1, z)
val north = section.trace(x, y + 0, z - 1)
val up = section.trace(x, y + 1, z)
val south = section.trace(x, y + 0, z + 1)
ao[0] = calculateLevel(down, north, section.trace(x, y - 1, z - 1))
ao[if (flip) 3 else 1] = calculateLevel(north, up, section.trace(x, y + 1, z - 1))
ao[2] = calculateLevel(up, south, section.trace(x, y + 1, z + 1))
ao[if (flip) 1 else 3] = calculateLevel(south, down, section.trace(x, y - 1, z + 1))
}
fun setWest(section: ChunkSection, x: Int, y: Int, z: Int, ao: IntArray) {
var section: ChunkSection? = section
var x = x - 1
if (x < 0) {
section = section?.neighbours?.get(O_WEST)
x = ProtocolDefinition.SECTION_MAX_X
}
setX(section, x, y, z, false, ao)
}
fun setEast(section: ChunkSection, x: Int, y: Int, z: Int, ao: IntArray) {
var section: ChunkSection? = section
var x = x + 1
if (x > ProtocolDefinition.SECTION_MAX_X) {
section = section?.neighbours?.get(O_EAST)
x = 0
}
setX(section, x, y, z, true, ao)
}
}