Merge branch 'distant-horizons-core-optimizations'

This commit is contained in:
James Seibel
2026-05-02 11:35:26 -05:00
parent c4f4935fdd
commit 726da953bd
5 changed files with 84 additions and 66 deletions
@@ -59,9 +59,19 @@ public final class BufferQuad
public boolean hasError = false;
// Pre-computed sort keys to avoid recomputing on every comparison
// Slight increase in memory for reduction in cpu usage
public final long sortKeyEastWest;
public final long sortKeyNorthSouth;
BufferQuad(
//=============//
// constructor //
//=============//
//region
public BufferQuad(
short x, short y, short z, short widthEastWest, short widthNorthSouthOrHeight,
int color, byte irisBlockMaterialId, byte skylight, byte blockLight,
EDhDirection direction)
@@ -85,64 +95,46 @@ public final class BufferQuad
this.skyLight = skylight;
this.blockLight = blockLight;
this.direction = direction;
this.sortKeyEastWest = computeSortKey(direction, true);
this.sortKeyNorthSouth = computeSortKey(direction, false);
}
/** a rough but fast calculation */
double calculateDistance(double relativeX, double relativeY, double relativeZ)
private long computeSortKey(EDhDirection dir, boolean eastWest)
{
return Math.pow(relativeX - this.x, 2) + Math.pow(relativeY - this.y, 2) + Math.pow(relativeZ - this.z, 2);
if (eastWest)
{
switch (dir.axis)
{
case X: return (long) x << 48 | (long) y << 32 | (long) z << 16;
case Y: return (long) y << 48 | (long) z << 32 | (long) x << 16;
case Z: return (long) z << 48 | (long) y << 32 | (long) x << 16;
default: throw new IllegalArgumentException("Invalid Axis enum: [" + dir.axis + "].");
}
}
else
{
switch (dir.axis)
{
case X: return (long) x << 48 | (long) z << 32 | (long) y << 16;
case Y: return (long) y << 48 | (long) x << 32 | (long) z << 16;
case Z: return (long) z << 48 | (long) x << 32 | (long) y << 16;
default: throw new IllegalArgumentException("Invalid Axis enum: [" + dir.axis + "].");
}
}
}
/** compares this quad's position to the given quad */
//endregion
/** compares this quad's position to the given quad using pre-computed sort keys */
public int compare(BufferQuad quad, BufferMergeDirectionEnum compareDirection)
{
if (this.direction != quad.direction)
throw new IllegalArgumentException("The other quad is not in the same direction: " + quad.direction + " vs " + this.direction);
if (compareDirection == BufferMergeDirectionEnum.EastWest)
{
switch (this.direction.axis)
{
case X:
return threeDimensionalCompare(this.x, this.y, this.z, quad.x, quad.y, quad.z);
case Y:
return threeDimensionalCompare(this.y, this.z, this.x, quad.y, quad.z, quad.x);
case Z:
return threeDimensionalCompare(this.z, this.y, this.x, quad.z, quad.y, quad.x);
default:
throw new IllegalArgumentException("Invalid Axis enum: [" + this.direction.axis + "].");
}
}
else
{
switch (this.direction.axis)
{
case X:
return threeDimensionalCompare(this.x, this.z, this.y, quad.x, quad.z, quad.y);
case Y:
return threeDimensionalCompare(this.y, this.x, this.z, quad.y, quad.x, quad.z);
case Z:
return threeDimensionalCompare(this.z, this.x, this.y, quad.z, quad.x, quad.y);
default:
throw new IllegalArgumentException("Invalid Axis enum: [" + this.direction.axis + "].");
}
}
}
/**
* Compares two 3D points A and B. <br>
* The X, Y, and Z coordinates can be passed into parameters 0, 1, and 2 in any order
* provided they are in the same order for both A and B. <br>
* With the 0th parameter being the most significant when comparing.
*/
private static int threeDimensionalCompare(short a0, short a1, short a2, short b0, short b1, short b2)
{
long a = (long) a0 << 48 | (long) a1 << 32 | (long) a2 << 16;
long b = (long) b0 << 48 | (long) b1 << 32 | (long) b2 << 16;
return Long.compare(a, b);
return compareDirection == BufferMergeDirectionEnum.EastWest
? Long.compare(this.sortKeyEastWest, quad.sortKeyEastWest)
: Long.compare(this.sortKeyNorthSouth, quad.sortKeyNorthSouth);
}
@@ -154,11 +146,15 @@ public final class BufferQuad
public boolean tryMerge(BufferQuad quad, BufferMergeDirectionEnum mergeDirection)
{
if (quad.hasError || this.hasError)
{
return false;
}
// only merge quads that are in the same direction
if (this.direction != quad.direction)
{
return false;
}
// make sure these quads share the same perpendicular axis
if ((mergeDirection == BufferMergeDirectionEnum.EastWest && this.y != quad.y)
@@ -175,7 +171,6 @@ public final class BufferQuad
short otherParallelCompareStartPos;
switch (this.direction.axis)
{
default: // shouldn't normally happen, just here to make the compiler happy
case X:
if (mergeDirection == BufferMergeDirectionEnum.EastWest)
{
@@ -232,6 +227,9 @@ public final class BufferQuad
otherParallelCompareStartPos = quad.z;
}
break;
default: // shouldn't normally happen, just here to make the compiler happy
throw new IllegalArgumentException("Unsupported axis: ["+this.direction.axis+"]");
}
// get the width of this quad in the relevant axis
@@ -333,4 +331,6 @@ public final class BufferQuad
return true;
}
}
@@ -341,13 +341,24 @@ public class ColumnBox
// Apply light to the range [adjMinY, adjMaxY)
applyLightToRange(segments, newSegments, adjMinY, adjMaxY, lightToApply);
applyLightToRangeAndPopulateNewSgements(segments, newSegments, adjMinY, adjMaxY, lightToApply);
{
// swap references so we can use the newly populated segments
LongArrayList temp = segments;
segments = newSegments;
newSegments = temp;
}
// Fill overhang area [adjMaxY, adjAboveMinY) with adjSkyLight
short adjAboveMinY = RenderDataPointUtil.getYMin(adjAbovePoint);
if (adjMaxY < adjAboveMinY)
{
applyLightToRange(segments, newSegments, adjMaxY, adjAboveMinY, adjSkyLight);
applyLightToRangeAndPopulateNewSgements(segments, newSegments, adjMaxY, adjAboveMinY, adjSkyLight);
{
LongArrayList temp = segments;
segments = newSegments;
newSegments = temp;
}
}
}
@@ -373,10 +384,11 @@ public class ColumnBox
/**
* Apply the new light value over the given y range,
* splitting segments as needed
* and putting the new segments into "newSegments"
* <p>
* source: claude.ai
*/
private static void applyLightToRange(
private static void applyLightToRangeAndPopulateNewSgements(
LongArrayList segments, LongArrayList newSegments,
short rangeStart, short rangeEnd,
byte newLight)
@@ -419,9 +431,6 @@ public class ColumnBox
newSegments.add(YSegmentUtil.encode(rangeEnd, endY, skyLight));
}
}
segments.clear();
segments.addAll(newSegments);
}
private static void tryAddVerticalFaceWithSkyLightToBuilder(
@@ -129,6 +129,7 @@ public class FullDataToRenderDataTransformer
ColumnRenderView tempExpandingColumnView = ColumnRenderView.getPooled();
RenderDataPointReducingList reducingList = new RenderDataPointReducingList())
{
DhBlockPosMutable mutableBlockPos = new DhBlockPosMutable();
for (int x = 0; x < FullDataSourceV2.WIDTH; x++)
{
for (int z = 0; z < FullDataSourceV2.WIDTH; z++)
@@ -142,7 +143,7 @@ public class FullDataToRenderDataTransformer
baseX + BitShiftUtil.pow(x, dataDetail), baseZ + BitShiftUtil.pow(z, dataDetail),
columnArrayView, dataColumn,
// pooled references so we don't need to re-allocate/get them 4000 times per render source
phantomCheckout, tempExpandingColumnView, reducingList);
phantomCheckout, tempExpandingColumnView, reducingList, mutableBlockPos);
}
}
}
@@ -157,7 +158,7 @@ public class FullDataToRenderDataTransformer
ColumnRenderView columnArrayView,
LongArrayList fullDataColumn,
// pooled references
PhantomArrayListCheckout phantomCheckout, ColumnRenderView tempExpandingColumnView, RenderDataPointReducingList reducingList)
PhantomArrayListCheckout phantomCheckout, ColumnRenderView tempExpandingColumnView, RenderDataPointReducingList reducingList, DhBlockPosMutable mutableBlockPos)
{
// we can't do anything if the full data is missing or empty
if (fullDataColumn == null
@@ -170,7 +171,7 @@ public class FullDataToRenderDataTransformer
if (fullDataLength <= columnArrayView.maxVerticalSliceCount)
{
// Directly use the arrayView since it fits.
setRenderColumnView(levelWrapper, fullDataSource, blockX, blockZ, columnArrayView, fullDataColumn);
setRenderColumnView(levelWrapper, fullDataSource, blockX, blockZ, columnArrayView, fullDataColumn, mutableBlockPos);
}
else
{
@@ -178,7 +179,7 @@ public class FullDataToRenderDataTransformer
// expand the ColumnArrayView to fit the new larger max vertical size
tempExpandingColumnView.populate(dataArrayList, fullDataLength, 0, fullDataLength);
setRenderColumnView(levelWrapper, fullDataSource, blockX, blockZ, tempExpandingColumnView, fullDataColumn);
setRenderColumnView(levelWrapper, fullDataSource, blockX, blockZ, tempExpandingColumnView, fullDataColumn, mutableBlockPos);
columnArrayView.changeVerticalSizeFrom(tempExpandingColumnView, reducingList);
}
@@ -186,7 +187,7 @@ public class FullDataToRenderDataTransformer
private static void setRenderColumnView(
IClientLevelWrapper levelWrapper, FullDataSourceV2 fullDataSource,
int blockX, int blockZ,
ColumnRenderView renderColumnData, LongArrayList fullColumnData)
ColumnRenderView renderColumnData, LongArrayList fullColumnData, DhBlockPosMutable mutableBlockPos)
{
//===============//
// config values //
@@ -242,7 +243,8 @@ public class FullDataToRenderDataTransformer
FullDataPointIdMap fullDataMapping = fullDataSource.mapping;
DhBlockPosMutable mutableBlockPos = new DhBlockPosMutable(blockX, 0, blockZ);
mutableBlockPos.setX(blockX);
mutableBlockPos.setZ(blockZ);
// goes from the top down
for (int fullDataIndex = 0; fullDataIndex < fullColumnData.size(); fullDataIndex++)
@@ -73,10 +73,17 @@ public class RateLimitedThreadPoolExecutor extends ThreadPoolExecutor
{
super.afterExecute(runnable, throwable);
double ratio = this.runTimeRatioConfig.get();
if (ratio >= 1.0)
{
// Avoid sleeping for 0 time
return;
}
try
{
long runTime = System.nanoTime() - this.runStartTime.get();
Thread.sleep(TimeUnit.NANOSECONDS.toMillis((long) (runTime / this.runTimeRatioConfig.get() - runTime)));
Thread.sleep(TimeUnit.NANOSECONDS.toMillis((long) (runTime / ratio - runTime)));
}
catch (InterruptedException ignore)
{
@@ -188,11 +188,11 @@
"If true non terrain objects will be rendered in DH's terrain. \nThis includes beacon beams and clouds.",
"distanthorizons.config.client.advanced.graphics.genericRendering.enableBeaconRendering":
"Enable Beacon Rendering",
"distanthorizons.config.client.advanced.graphics.genericRendering.beaconRenderHeight":
"distanthorizons.config.client.advanced.graphics.genericRendering.beaconRenderHeight":
"Beacon render height",
"distanthorizons.config.client.advanced.graphics.genericRendering.beaconRenderHeight.@tooltip":
"Sets the maximum height at which beacons will render. \nThis will only affect new beacons coming into LOD render distance. \nBeacons currently visible in LOD chunks will not be affected.",
"distanthorizons.config.client.advanced.graphics.genericRendering.expandDistantBeacons":
"distanthorizons.config.client.advanced.graphics.genericRendering.expandDistantBeacons":
"Expand Distant Beacons",
"distanthorizons.config.client.advanced.graphics.genericRendering.expandDistantBeacons.@tooltip":
"If true LOD beacon beams will be rendered wider at extreme distances, \nmaking them easier to see. \nIf false all LOD beacon beams will only ever be 1 block wide.",