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replace dumb caches with guava caches

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dfsek
2021-01-14 00:34:23 -07:00
parent 8fd3530653
commit cbc2885c16
7 changed files with 81 additions and 113 deletions
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common/src/main/java/com/dfsek/terra/carving/CarverCache.java
+36 -38
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@@ -10,52 +10,50 @@ import com.dfsek.terra.api.world.biome.TerraBiome;
import com.dfsek.terra.api.world.carving.Worm;
import com.dfsek.terra.biome.BiomeProvider;
import com.dfsek.terra.biome.UserDefinedBiome;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import org.jetbrains.annotations.NotNull;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
public class CarverCache {
private final World w;
private final Map<Long, List<Worm.WormPoint>> carvers;
private final TerraPlugin main;
private final LoadingCache<Long, List<Worm.WormPoint>> cache;
private final UserDefinedCarver carver;
public CarverCache(World w, TerraPlugin main) {
this.w = w;
this.main = main;
carvers = Collections.synchronizedMap(new LinkedHashMap<Long, List<Worm.WormPoint>>() {
@Override
protected boolean removeEldestEntry(Map.Entry eldest) {
return this.size() > main.getTerraConfig().getCarverCacheSize();
}
});
public CarverCache(World w, TerraPlugin main, UserDefinedCarver carver) {
this.carver = carver;
cache = CacheBuilder.newBuilder().maximumSize(main.getTerraConfig().getCarverCacheSize())
.build(new CacheLoader<Long, List<Worm.WormPoint>>() {
@Override
public List<Worm.WormPoint> load(@NotNull Long key) {
int chunkX = (int) (key >> 32);
int chunkZ = (int) key.longValue();
BiomeProvider provider = main.getWorld(w).getBiomeProvider();
if(CarverCache.this.carver.isChunkCarved(w, chunkX, chunkZ, new FastRandom(MathUtil.getCarverChunkSeed(chunkX, chunkZ, w.getSeed() + CarverCache.this.carver.hashCode())))) {
long seed = MathUtil.getCarverChunkSeed(chunkX, chunkZ, w.getSeed());
CarverCache.this.carver.getSeedVar().setValue(seed);
Random r = new FastRandom(seed);
Worm carving = CarverCache.this.carver.getWorm(seed, new Vector3((chunkX << 4) + r.nextInt(16), CarverCache.this.carver.getConfig().getHeight().get(r), (chunkZ << 4) + r.nextInt(16)));
List<Worm.WormPoint> points = new GlueList<>();
for(int i = 0; i < carving.getLength(); i++) {
carving.step();
TerraBiome biome = provider.getBiome(carving.getRunning().toLocation(w));
if(!((UserDefinedBiome) biome).getConfig().getCarvers().containsKey(CarverCache.this.carver)) { // Stop if we enter a biome this carver is not present in
return new GlueList<>();
}
points.add(carving.getPoint());
}
return points;
}
return new GlueList<>();
}
});
}
public List<Worm.WormPoint> getPoints(int chunkX, int chunkZ, UserDefinedCarver carver) {
synchronized(carvers) {
return carvers.computeIfAbsent(MathUtil.squash(chunkX, chunkZ), key -> {
BiomeProvider provider = main.getWorld(w).getBiomeProvider();
if(carver.isChunkCarved(w, chunkX, chunkZ, new FastRandom(MathUtil.getCarverChunkSeed(chunkX, chunkZ, w.getSeed() + carver.hashCode())))) {
long seed = MathUtil.getCarverChunkSeed(chunkX, chunkZ, w.getSeed());
carver.getSeedVar().setValue(seed);
Random r = new FastRandom(seed);
Worm carving = carver.getWorm(seed, new Vector3((chunkX << 4) + r.nextInt(16), carver.getConfig().getHeight().get(r), (chunkZ << 4) + r.nextInt(16)));
List<Worm.WormPoint> points = new GlueList<>();
for(int i = 0; i < carving.getLength(); i++) {
carving.step();
TerraBiome biome = provider.getBiome(carving.getRunning().toLocation(w));
if(!((UserDefinedBiome) biome).getConfig().getCarvers().containsKey(carver)) { // Stop if we enter a biome this carver is not present in
return new GlueList<>();
}
points.add(carving.getPoint());
}
return points;
}
return new GlueList<>();
});
}
public List<Worm.WormPoint> getPoints(int chunkX, int chunkZ) {
return cache.getUnchecked(MathUtil.squash(chunkX, chunkZ));
}
}
common/src/main/java/com/dfsek/terra/carving/UserDefinedCarver.java
+4 -2
View File
@@ -11,6 +11,7 @@ import com.dfsek.terra.api.world.carving.Worm;
import com.dfsek.terra.biome.UserDefinedBiome;
import com.dfsek.terra.config.templates.BiomeTemplate;
import com.dfsek.terra.config.templates.CarverTemplate;
import com.dfsek.terra.debug.Debug;
import net.jafama.FastMath;
import parsii.eval.Expression;
import parsii.eval.Parser;
@@ -100,11 +101,12 @@ public class UserDefinedCarver extends Carver {
@Override
public void carve(int chunkX, int chunkZ, World w, BiConsumer<Vector3, CarvingType> consumer) {
CarverCache cache = cacheMap.computeIfAbsent(w, world -> new CarverCache(world, main));
CarverCache cache = cacheMap.computeIfAbsent(w, world -> new CarverCache(world, main, this));
if(cacheMap.size() > 1) Debug.info("Map size: " + cacheMap.size());
int carvingRadius = getCarvingRadius();
for(int x = chunkX - carvingRadius; x <= chunkX + carvingRadius; x++) {
for(int z = chunkZ - carvingRadius; z <= chunkZ + carvingRadius; z++) {
cache.getPoints(x, z, this).forEach(point -> {
cache.getPoints(x, z).forEach(point -> {
Vector3 origin = point.getOrigin();
if(FastMath.floorDiv(origin.getBlockX(), 16) != chunkX && FastMath.floorDiv(origin.getBlockZ(), 16) != chunkZ) // We only want to carve this chunk.
return;