Move IJ/xyz cache out of MainUItil to its own class

This commit is contained in:
dordsor21 2020-07-19 14:21:52 +01:00
parent f357fa74f3
commit ed27422e69
No known key found for this signature in database
GPG Key ID: 1E53E88969FFCF0B
5 changed files with 98 additions and 58 deletions

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@ -36,7 +36,6 @@ import com.plotsquared.core.plot.PlotArea;
import com.plotsquared.core.plot.world.PlotAreaManager;
import com.plotsquared.core.queue.ScopedLocalBlockQueue;
import com.plotsquared.core.util.ChunkManager;
import com.plotsquared.core.util.MainUtil;
import com.sk89q.worldedit.math.BlockVector2;
import lombok.Getter;
import org.bukkit.World;
@ -74,7 +73,6 @@ public class BukkitPlotGenerator extends ChunkGenerator
this.populators = new ArrayList<>();
this.populators.add(new BlockStatePopulator(this.plotGenerator, this.plotAreaManager));
this.full = true;
MainUtil.initCache();
}
public BukkitPlotGenerator(final String world, final ChunkGenerator cg, @Nonnull final PlotAreaManager plotAreaManager) {
@ -87,7 +85,6 @@ public class BukkitPlotGenerator extends ChunkGenerator
this.full = false;
this.platformGenerator = cg;
this.plotGenerator = new DelegatePlotGenerator(cg, world);
MainUtil.initCache();
}
@Override public void augment(PlotArea area) {

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@ -31,7 +31,7 @@ import com.plotsquared.bukkit.util.BukkitUtil;
import com.plotsquared.core.location.ChunkWrapper;
import com.plotsquared.core.location.Location;
import com.plotsquared.core.queue.ScopedLocalBlockQueue;
import com.plotsquared.core.util.MainUtil;
import com.plotsquared.core.util.ChunkUtil;
import com.plotsquared.core.util.PatternUtil;
import com.sk89q.worldedit.bukkit.BukkitAdapter;
import com.sk89q.worldedit.function.pattern.Pattern;
@ -151,12 +151,12 @@ public class GenChunk extends ScopedLocalBlockQueue {
}
private void storeCache(final int x, final int y, final int z, final BlockState id) {
int i = MainUtil.CACHE_I[y][x][z];
int i = y >> 4;
BlockState[] v = this.result[i];
if (v == null) {
this.result[i] = v = new BlockState[4096];
}
int j = MainUtil.CACHE_J[y][x][z];
int j = ChunkUtil.getJ(x, y, z);
v[j] = id;
}
@ -171,7 +171,7 @@ public class GenChunk extends ScopedLocalBlockQueue {
}
@Override public BlockState getBlock(int x, int y, int z) {
int i = MainUtil.CACHE_I[y][x][z];
int i = y >> 4;
if (result == null) {
return BukkitBlockUtil.get(chunkData.getType(x, y, z));
}
@ -179,7 +179,7 @@ public class GenChunk extends ScopedLocalBlockQueue {
if (array == null) {
return BlockTypes.AIR.getDefaultState();
}
int j = MainUtil.CACHE_J[y][x][z];
int j = ChunkUtil.getJ(x, y, z);
return array[j];
}

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@ -45,7 +45,6 @@ import com.plotsquared.core.queue.ChunkBlockQueue;
import com.plotsquared.core.queue.GlobalBlockQueue;
import com.plotsquared.core.queue.LocalBlockQueue;
import com.plotsquared.core.util.ChunkManager;
import com.plotsquared.core.util.MainUtil;
import com.plotsquared.core.util.MathMan;
import com.plotsquared.core.util.RegionManager;
import com.plotsquared.core.util.RegionUtil;
@ -141,7 +140,6 @@ public class HybridUtils {
final int cbz = bz >> 4;
final int ctx = tx >> 4;
final int ctz = tz >> 4;
MainUtil.initCache();
final int width = tx - bx + 1;
final int length = tz - bz + 1;
@ -251,7 +249,6 @@ public class HybridUtils {
whenDone.run();
});
System.gc();
MainUtil.initCache();
Location botLoc = Location.at(world, bot.getX(), bot.getY(), bot.getZ());
Location topLoc = Location.at(world, top.getX(), top.getY(), top.getZ());
ChunkManager.chunkTask(botLoc, topLoc, new RunnableVal<int[]>() {

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@ -0,0 +1,93 @@
package com.plotsquared.core.util;
import lombok.experimental.UtilityClass;
import org.jetbrains.annotations.Range;
/**
* This cache is used for world generation and just saves a bit of calculation time when checking if something is in the plot area.
*/
@UtilityClass
public class ChunkUtil {
/**
* Cache of mapping x,y,z coordinates to the chunk array<br>
* - Used for efficient world generation<br>
*/
private static short[] x_loc;
private static short[][] y_loc;
private static short[] z_loc;
private static short[][][] CACHE_J = null;
static {
x_loc = new short[4096];
y_loc = new short[16][4096];
z_loc = new short[4096];
for (int i = 0; i < 16; i++) {
int i4 = i << 4;
for (int j = 0; j < 4096; j++) {
int y = i4 + (j >> 8);
int a = j - ((y & 0xF) << 8);
int z1 = a >> 4;
int x1 = a - (z1 << 4);
x_loc[j] = (short) x1;
y_loc[i][j] = (short) y;
z_loc[j] = (short) z1;
}
}
CACHE_J = new short[256][16][16];
for (int x = 0; x < 16; x++) {
for (int z = 0; z < 16; z++) {
for (int y = 0; y < 256; y++) {
short j = (short) ((y & 0xF) << 8 | z << 4 | x);
CACHE_J[y][x][z] = j;
}
}
}
}
/**
* Get the J value for Chunk block storage from the chunk xyz coordinates.
* J is in the range 0 to 4095 where it represents a position in an array of 16x16x16 xyz (ChunkSection Array[4096]).
*
* @param x Relative x coordinate
* @param y Relative y coordinate
* @param z Relative z coordinate
* @return J value for xyz position in Array[4096].
*/
public static int getJ(@Range(from = 0, to = 15) int x, @Range(from = 0, to = 255) int y,
@Range(from = 0, to = 15) int z) {
return CACHE_J[y][x][z];
}
/**
* Gets the x coordinate for a specific J value for a ChunkSection 16x16x16 xyz Array[4096].
*
* @param j Position in the xyz Array[4096].
* @return x coordinate within the chunk
*/
public static int getX(@Range(from = 0, to = 4095) int j) {
return x_loc[j];
}
/**
* Gets the y coordinate for specific I and J values for a Chunk 16x16x16x16 layerxyz Array[16][4096].
*
* @param i Relative layer of the position in the layerxyz Array[16][4096].
* @param j Position in the xyz Array[4096].
* @return x coordinate within the chunk
*/
public static int getY(@Range(from = 0, to = 15) int i, @Range(from = 0, to = 4095) int j) {
return y_loc[i][j];
}
/**
* Gets the z coordinate for a specific J value for a ChunkSection 16x16x16 xyz Array[4096].
*
* @param j Position in the xyz Array[4096].
* @return z coordinate within the chunk
*/
public static int getZ(@Range(from = 0, to = 4095) int j) {
return z_loc[j];
}
}

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@ -44,53 +44,6 @@ import javax.annotation.Nonnull;
private static final Logger logger =
LoggerFactory.getLogger("P2/" + MainUtil.class.getSimpleName());
/**
* Cache of mapping x,y,z coordinates to the chunk array<br>
* - Used for efficient world generation<br>
*/
public static short[][] x_loc;
public static short[][] y_loc;
public static short[][] z_loc;
public static short[][][] CACHE_I = null;
public static short[][][] CACHE_J = null;
/**
* This cache is used for world generation and just saves a bit of calculation time when checking if something is in the plot area.
*/
public static void initCache() {
if (x_loc == null) {
x_loc = new short[16][4096];
y_loc = new short[16][4096];
z_loc = new short[16][4096];
for (int i = 0; i < 16; i++) {
int i4 = i << 4;
for (int j = 0; j < 4096; j++) {
int y = i4 + (j >> 8);
int a = j - ((y & 0xF) << 8);
int z1 = a >> 4;
int x1 = a - (z1 << 4);
x_loc[i][j] = (short) x1;
y_loc[i][j] = (short) y;
z_loc[i][j] = (short) z1;
}
}
}
if (CACHE_I == null) {
CACHE_I = new short[256][16][16];
CACHE_J = new short[256][16][16];
for (int x = 0; x < 16; x++) {
for (int z = 0; z < 16; z++) {
for (int y = 0; y < 256; y++) {
short i = (short) (y >> 4);
short j = (short) ((y & 0xF) << 8 | z << 4 | x);
CACHE_I[y][x][z] = i;
CACHE_J[y][x][z] = j;
}
}
}
}
}
/**
* Send a message to the player.
*