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Reduce some GC pressure in FullDataSourceV2.mergeInputTwoByTwoDataColumn

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This commit is contained in:
James Seibel
2024-03-23 16:14:34 -05:00
parent cbfd4f9de3
commit ce95dfb3d1
1 changed files with 11 additions and 4 deletions
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core/src/main/java/com/seibel/distanthorizons/core/dataObjects/fullData/sources/FullDataSourceV2.java
+11 -4
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@@ -495,6 +495,13 @@ public class FullDataSourceV2 implements IDataSource<IDhLevel>
int minY = 0;
// these arrays will be reused quite often, so re-using them helps reduce some GC pressure
long[] datapointsForYSlice = new long[4];
int[] mergeIds = new int[4];
int[] mergeBlockLights = new int[4];
int[] mergeSkyLights = new int[4];
for (int blockY = 0; blockY < RenderDataPointUtil.MAX_WORLD_Y_SIZE; blockY++, height++)
{
// if each column has reached the end of their data, nothing more needs to be done
@@ -511,7 +518,7 @@ public class FullDataSourceV2 implements IDataSource<IDhLevel>
// scary double loop but,
// this will only ever loop 4 times,
// once for each of the 4 input columns
long[] datapointsForYSlice = new long[4];
Arrays.fill(datapointsForYSlice, 0L);
int colIndex = 0;
for (int inputX = x; inputX < x + 2; inputX++)
{
@@ -584,9 +591,9 @@ public class FullDataSourceV2 implements IDataSource<IDhLevel>
int[] mergeIds = new int[4];
int[] mergeBlockLights = new int[4];
int[] mergeSkyLights = new int[4];
Arrays.fill(mergeIds, 0);
Arrays.fill(mergeBlockLights, 0);
Arrays.fill(mergeSkyLights, 0);
for (int i = 0; i < 4; i++)
{
mergeIds[i] = FullDataPointUtilV2.getId(datapointsForYSlice[i]);