mirror of
https://github.com/HbmMods/Hbm-s-Nuclear-Tech-GIT.git
synced 2026-01-25 10:32:49 +00:00
DDA cleanup
This commit is contained in:
parent
acbea88eca
commit
70cd3d4071
@ -26,8 +26,7 @@ public class BombConfig {
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public static int fDelay = 4;
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public static int limitExplosionLifespan = 0;
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public static boolean chunkloading = true;
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public static boolean parallelization = true;
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public static boolean accumulatedDestruction = true;
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public static int explosionAlgorithm = 2;
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public static void loadFromConfig(Configuration config) {
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@ -95,8 +94,7 @@ public class BombConfig {
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falloutDelayProp.comment = "How many ticks to wait for the next fallout chunk computation";
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fDelay = falloutDelayProp.getInt();
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chunkloading = CommonConfig.createConfigBool(config, CATEGORY_NUKE, "6.XX_enableChunkLoading", "Allows all types of procedural explosions to keep the central chunk loaded.", true);
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parallelization = CommonConfig.createConfigBool(config, CATEGORY_NUKE, "6.XX_enableParallelization", "Allows explosions to use multiple threads.", true);
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accumulatedDestruction = CommonConfig.createConfigBool(config, CATEGORY_NUKE, "6.XX_enableAccumulatedDestruction", "Enables the accumulated destruction model for explosions. Blocks accumulate damage and are only destroyed once their resistance is exceeded.\nMore physically accurate, slightly slower. Requires enableParallelization = true.", true);
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chunkloading = CommonConfig.createConfigBool(config, CATEGORY_NUKE, "6.05_enableChunkLoading", "Allows all types of procedural explosions to keep the central chunk loaded.", true);
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explosionAlgorithm = CommonConfig.createConfigInt(config, CATEGORY_NUKE, "6.06_explosionAlgorithm", "Configures the algorithm of mk5 explosion. \n0 = Legacy, 1 = Threaded DDA, 2 = Threaded DDA with damage accumulation.", 2);
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}
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}
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@ -70,7 +70,7 @@ public class EntityNukeExplosionMK5 extends EntityExplosionChunkloading {
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if(explosion == null) {
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explosionStart = System.currentTimeMillis();
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if (BombConfig.parallelization) {
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if (BombConfig.explosionAlgorithm == 1 || BombConfig.explosionAlgorithm == 2) {
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explosion = new ExplosionNukeRayParallelized(worldObj, posX, posY, posZ,
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strength, speed, length);
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} else {
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@ -82,20 +82,17 @@ public class EntityNukeExplosionMK5 extends EntityExplosionChunkloading {
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if(!explosion.isComplete()) {
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explosion.cacheChunksTick(BombConfig.mk5);
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explosion.destructionTick(BombConfig.mk5);
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} else if(fallout) {
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if(GeneralConfig.enableExtendedLogging && explosionStart != 0)
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MainRegistry.logger.log(Level.INFO, "[NUKE] Explosion complete. Time elapsed: " + (System.currentTimeMillis() - explosionStart) + "ms");
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EntityFalloutRain fallout = new EntityFalloutRain(this.worldObj);
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fallout.posX = this.posX;
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fallout.posY = this.posY;
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fallout.posZ = this.posZ;
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fallout.setScale((int)(this.length * 2.5 + falloutAdd) * BombConfig.falloutRange / 100);
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this.worldObj.spawnEntityInWorld(fallout);
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this.clearChunkLoader();
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this.setDead();
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} else {
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if(GeneralConfig.enableExtendedLogging && explosionStart != 0)
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MainRegistry.logger.log(Level.INFO, "[NUKE] Explosion complete. Time elapsed: {}ms", (System.currentTimeMillis() - explosionStart));
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if(fallout) {
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EntityFalloutRain fallout = new EntityFalloutRain(this.worldObj);
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fallout.posX = this.posX;
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fallout.posY = this.posY;
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fallout.posZ = this.posZ;
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fallout.setScale((int)(this.length * 2.5 + falloutAdd) * BombConfig.falloutRange / 100);
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this.worldObj.spawnEntityInWorld(fallout);
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}
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this.clearChunkLoader();
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this.setDead();
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}
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@ -153,7 +150,7 @@ public class EntityNukeExplosionMK5 extends EntityExplosionChunkloading {
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public static EntityNukeExplosionMK5 statFac(World world, int r, double x, double y, double z) {
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if(GeneralConfig.enableExtendedLogging && !world.isRemote)
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MainRegistry.logger.log(Level.INFO, "[NUKE] Initialized explosion at " + x + " / " + y + " / " + z + " with strength " + r + "!");
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MainRegistry.logger.log(Level.INFO, "[NUKE] Initialized explosion at {} / {} / {} with strength {}!", x, y, z, r);
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if(r == 0)
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r = 25;
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@ -3,6 +3,9 @@ package com.hbm.explosion;
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import com.hbm.config.BombConfig;
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import com.hbm.interfaces.IExplosionRay;
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import com.hbm.main.MainRegistry;
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import com.hbm.util.ChunkKey;
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import com.hbm.util.ConcurrentBitSet;
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import com.hbm.util.SubChunkSnapshot;
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import net.minecraft.block.Block;
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import net.minecraft.init.Blocks;
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import net.minecraft.util.Vec3;
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@ -15,14 +18,14 @@ import org.apache.logging.log4j.Level;
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import java.util.*;
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import java.util.concurrent.*;
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import java.util.concurrent.atomic.AtomicLongArray;
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import java.util.concurrent.atomic.DoubleAdder;
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import static com.hbm.util.SubChunkSnapshot.getSnapshot;
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public class ExplosionNukeRayParallelized implements IExplosionRay {
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private static final int WORLD_HEIGHT = 256;
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private static final int BITSET_SIZE = 16 * WORLD_HEIGHT * 16;
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private static final int WORDS_PER_SET = BITSET_SIZE >>> 6; // (16*256*16)/64
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protected final World world;
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private final double explosionX, explosionY, explosionZ;
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@ -85,7 +88,7 @@ public class ExplosionNukeRayParallelized implements IExplosionRay {
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Thread.currentThread().interrupt();
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} finally {
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collectFinished = true;
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if (BombConfig.accumulatedDestruction) {
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if (BombConfig.explosionAlgorithm == 2) {
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pool.submit(this::runConsolidation);
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} else {
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consolidationFinished = true;
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@ -112,7 +115,7 @@ public class ExplosionNukeRayParallelized implements IExplosionRay {
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ChunkKey ck = cacheQueue.poll();
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if (ck == null) break;
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snapshots.computeIfAbsent(ck, key -> {
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SubChunkSnapshot snap = createSubChunk(key.pos, key.subY);
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SubChunkSnapshot snap = getSnapshot(this.world, key.pos, key.subY);
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return snap == null ? SubChunkSnapshot.EMPTY : snap;
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});
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}
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@ -146,37 +149,33 @@ public class ExplosionNukeRayParallelized implements IExplosionRay {
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ExtendedBlockStorage storage = storages[subY];
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if (storage == null) continue;
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int yPrimeMin = 255 - ((subY << 4) + 15);
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int startBit = yPrimeMin << 8;
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int yPrimeMax = 255 - (subY << 4);
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int endBit = (yPrimeMax << 8) | 0xFF;
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int startBit = (WORLD_HEIGHT - 1 - ((subY << 4) + 15)) << 8;
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int endBit = ((WORLD_HEIGHT - 1 - (subY << 4)) << 8) | 0xFF;
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int bit = bs.nextSetBit(startBit);
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if (bit < 0 || bit > endBit) continue;
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while (bit >= 0 && bit <= endBit && System.nanoTime() < deadline) {
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int yGlobal = 255 - (bit >>> 8);
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int yGlobal = WORLD_HEIGHT - 1 - (bit >>> 8);
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int xGlobal = (cp.chunkXPos << 4) | ((bit >>> 4) & 0xF);
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int zGlobal = (cp.chunkZPos << 4) | (bit & 0xF);
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if (world.getTileEntity(xGlobal, yGlobal, zGlobal) != null) {
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chunk.removeTileEntity(xGlobal & 0xF, yGlobal, zGlobal & 0xF); // world Y
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world.removeTileEntity(xGlobal, yGlobal, zGlobal);
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}
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int xLocal = xGlobal & 0xF;
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int yLocal = yGlobal & 0xF;
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int zLocal = zGlobal & 0xF;
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storage.func_150818_a(xLocal, yLocal, zLocal, Blocks.air);
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storage.setExtBlockMetadata(xLocal, yLocal, zLocal, 0);
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chunkModified = true;
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if (storage.getBlockByExtId(xLocal, yLocal, zLocal) != Blocks.air) {
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if (world.getTileEntity(xGlobal, yGlobal, zGlobal) != null) {
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world.removeTileEntity(xGlobal, yGlobal, zGlobal);
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}
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world.notifyBlocksOfNeighborChange(xGlobal, yGlobal, zGlobal, Blocks.air);
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world.markBlockForUpdate(xGlobal, yGlobal, zGlobal);
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storage.func_150818_a(xLocal, yLocal, zLocal, Blocks.air);
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storage.setExtBlockMetadata(xLocal, yLocal, zLocal, 0);
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chunkModified = true;
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world.updateLightByType(EnumSkyBlock.Sky, xGlobal, yGlobal, zGlobal);
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world.updateLightByType(EnumSkyBlock.Block, xGlobal, yGlobal, zGlobal);
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world.notifyBlocksOfNeighborChange(xGlobal, yGlobal, zGlobal, Blocks.air);
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world.markBlockForUpdate(xGlobal, yGlobal, zGlobal);
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world.updateLightByType(EnumSkyBlock.Sky, xGlobal, yGlobal, zGlobal);
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world.updateLightByType(EnumSkyBlock.Block, xGlobal, yGlobal, zGlobal);
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}
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bs.clear(bit);
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bit = bs.nextSetBit(bit + 1);
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}
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@ -186,7 +185,6 @@ public class ExplosionNukeRayParallelized implements IExplosionRay {
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chunk.setChunkModified();
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world.markBlockRangeForRenderUpdate(cp.chunkXPos << 4, 0, cp.chunkZPos << 4, (cp.chunkXPos << 4) | 15, WORLD_HEIGHT - 1, (cp.chunkZPos << 4) | 15);
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}
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if (bs.isEmpty()) {
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destructionMap.remove(cp);
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for (int sy = 0; sy < (WORLD_HEIGHT >> 4); sy++) {
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@ -244,49 +242,6 @@ public class ExplosionNukeRayParallelized implements IExplosionRay {
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if (this.orderedChunks != null) this.orderedChunks.clear();
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}
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private SubChunkSnapshot createSubChunk(ChunkCoordIntPair cpos, int subY) {
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if (!world.getChunkProvider().chunkExists(cpos.chunkXPos, cpos.chunkZPos)) {
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return SubChunkSnapshot.EMPTY;
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}
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Chunk chunk = world.getChunkFromChunkCoords(cpos.chunkXPos, cpos.chunkZPos);
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ExtendedBlockStorage ebs = chunk.getBlockStorageArray()[subY];
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if (ebs == null || ebs.isEmpty()) {
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return SubChunkSnapshot.EMPTY;
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}
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short[] data = new short[16 * 16 * 16];
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List<Block> palette = new ArrayList<>();
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palette.add(Blocks.air);
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Map<Block, Short> idxMap = new HashMap<>();
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idxMap.put(Blocks.air, (short) 0);
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boolean allAir = true;
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for (int ly = 0; ly < 16; ly++) {
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for (int lz = 0; lz < 16; lz++) {
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for (int lx = 0; lx < 16; lx++) {
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Block block = ebs.getBlockByExtId(lx, ly, lz);
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int idx;
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if (block == Blocks.air) {
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idx = 0;
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} else {
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allAir = false;
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Short e = idxMap.get(block);
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if (e == null) {
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idxMap.put(block, (short) palette.size());
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palette.add(block);
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idx = palette.size() - 1;
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} else {
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idx = e;
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}
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}
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data[(ly << 8) | (lz << 4) | lx] = (short) idx;
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}
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}
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}
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if (allAir) return SubChunkSnapshot.EMPTY;
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return new SubChunkSnapshot(palette.toArray(new Block[0]), data);
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}
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private List<Vec3> generateSphereRays(int count) {
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List<Vec3> list = new ArrayList<>(count);
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if (count <= 0) return list;
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@ -316,7 +271,7 @@ public class ExplosionNukeRayParallelized implements IExplosionRay {
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continue;
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}
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ConcurrentBitSet chunkDestructionBitSet = destructionMap.computeIfAbsent(cp, k -> new ConcurrentBitSet());
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ConcurrentBitSet chunkDestructionBitSet = destructionMap.computeIfAbsent(cp, k -> new ConcurrentBitSet(BITSET_SIZE));
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Iterator<Map.Entry<Integer, DoubleAdder>> damageEntryIterator = accumulator.entrySet().iterator();
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while (damageEntryIterator.hasNext()) {
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@ -330,7 +285,7 @@ public class ExplosionNukeRayParallelized implements IExplosionRay {
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continue;
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}
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int yGlobal = 255 - (bitIndex >>> 8);
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int yGlobal = WORLD_HEIGHT - 1 - (bitIndex >>> 8);
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int subY = yGlobal >> 4;
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if (subY < 0) {
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@ -370,91 +325,6 @@ public class ExplosionNukeRayParallelized implements IExplosionRay {
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consolidationFinished = true;
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}
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private static class ChunkKey {
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final ChunkCoordIntPair pos;
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final int subY;
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ChunkKey(int cx, int cz, int sy) {
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this.pos = new ChunkCoordIntPair(cx, cz);
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this.subY = sy;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (!(o instanceof ChunkKey)) return false;
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ChunkKey k = (ChunkKey) o;
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return subY == k.subY && pos.equals(k.pos);
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}
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@Override
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public int hashCode() {
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return Objects.hash(pos.chunkXPos, pos.chunkZPos, subY);
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}
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}
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private static class SubChunkSnapshot {
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private static final SubChunkSnapshot EMPTY = new SubChunkSnapshot(new Block[]{Blocks.air}, null);
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private final Block[] palette;
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private final short[] data;
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SubChunkSnapshot(Block[] p, short[] d) {
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this.palette = p;
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this.data = d;
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}
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Block getBlock(int x, int y, int z) {
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if (this == EMPTY || data == null) return Blocks.air;
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short idx = data[(y << 8) | (z << 4) | x];
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return (idx >= 0 && idx < palette.length) ? palette[idx] : Blocks.air;
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}
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}
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private static final class ConcurrentBitSet {
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private final AtomicLongArray words = new AtomicLongArray(WORDS_PER_SET);
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void set(int bit) {
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if (bit < 0 || bit >= BITSET_SIZE) return;
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int wd = bit >>> 6;
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long m = 1L << (bit & 63);
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while (true) {
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long o = words.get(wd);
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long u = o | m;
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if (o == u || words.compareAndSet(wd, o, u)) return;
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}
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}
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void clear(int bit) {
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if (bit < 0 || bit >= BITSET_SIZE) return;
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int wd = bit >>> 6;
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long m = ~(1L << (bit & 63));
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while (true) {
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long oldWord = words.get(wd);
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long newWord = oldWord & m;
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if (oldWord == newWord || words.compareAndSet(wd, oldWord, newWord)) {
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return;
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}
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}
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}
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int nextSetBit(int from) {
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if (from < 0) from = 0;
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int wd = from >>> 6;
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if (wd >= WORDS_PER_SET) return -1;
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long w = words.get(wd) & (~0L << (from & 63));
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while (true) {
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if (w != 0) return (wd << 6) + Long.numberOfTrailingZeros(w);
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if (++wd == WORDS_PER_SET) return -1;
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w = words.get(wd);
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}
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}
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boolean isEmpty() {
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for (int i = 0; i < WORDS_PER_SET; i++) if (words.get(i) != 0) return false;
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return true;
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}
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}
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private static class ChunkDamageAccumulator {
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// key = bitIndex, value = total accumulated damage
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private final ConcurrentHashMap<Integer, DoubleAdder> damageMap = new ConcurrentHashMap<>();
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@ -602,7 +472,7 @@ public class ExplosionNukeRayParallelized implements IExplosionRay {
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energy -= damageDealt;
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if (damageDealt > 0) {
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int bitIndex = ((WORLD_HEIGHT - 1 - y) << 8) | ((x & 0xF) << 4) | (z & 0xF);
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if (BombConfig.accumulatedDestruction) {
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if (BombConfig.explosionAlgorithm == 2) {
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ChunkCoordIntPair chunkPos = ck.pos;
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ChunkDamageAccumulator chunkAccumulator =
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accumulatedDamageMap.computeIfAbsent(chunkPos, k -> new ChunkDamageAccumulator());
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@ -611,7 +481,7 @@ public class ExplosionNukeRayParallelized implements IExplosionRay {
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if (energy > 0) {
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ConcurrentBitSet bs = destructionMap.computeIfAbsent(
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ck.pos,
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posKey -> new ConcurrentBitSet()
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posKey -> new ConcurrentBitSet(BITSET_SIZE)
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);
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bs.set(bitIndex);
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}
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@ -1,11 +1,31 @@
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package com.hbm.interfaces;
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/**
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* Interface for procedural explosions.
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* @author mlbv
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*/
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public interface IExplosionRay {
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boolean isComplete();
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/**
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* Called every tick. Caches the chunks affected by the explosion.
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* All heavy calculations are recommended to be done off the main thread.
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* @param processTimeMs maximum time to process in this tick
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*/
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void cacheChunksTick(int processTimeMs);
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void cacheChunksTick(int processTime);
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void destructionTick(int processTime);
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/**
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* Called every tick to apply block destruction to the affected chunks.
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* @param processTimeMs maximum time to process in this tick
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*/
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void destructionTick(int processTimeMs);
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/**
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* Immediately cancels the explosion.
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*/
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void cancel();
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/**
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* @return true if the explosion is finished or cancelled.
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*/
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boolean isComplete();
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}
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32
src/main/java/com/hbm/util/ChunkKey.java
Normal file
32
src/main/java/com/hbm/util/ChunkKey.java
Normal file
@ -0,0 +1,32 @@
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package com.hbm.util;
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import net.minecraft.world.ChunkCoordIntPair;
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import java.util.Objects;
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/**
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* Unique identifier for sub-chunks.
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* @Author mlbv
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*/
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public class ChunkKey {
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public final ChunkCoordIntPair pos;
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public final int subY;
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public ChunkKey(int cx, int cz, int sy) {
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this.pos = new ChunkCoordIntPair(cx, cz);
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this.subY = sy;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (!(o instanceof ChunkKey)) return false;
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ChunkKey k = (ChunkKey) o;
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return subY == k.subY && pos.equals(k.pos);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(pos.chunkXPos, pos.chunkZPos, subY);
|
||||
}
|
||||
}
|
||||
70
src/main/java/com/hbm/util/ConcurrentBitSet.java
Normal file
70
src/main/java/com/hbm/util/ConcurrentBitSet.java
Normal file
@ -0,0 +1,70 @@
|
||||
package com.hbm.util;
|
||||
|
||||
import java.util.concurrent.atomic.AtomicLongArray;
|
||||
import java.util.concurrent.atomic.LongAdder;
|
||||
|
||||
public class ConcurrentBitSet {
|
||||
private final AtomicLongArray words;
|
||||
private final int size;
|
||||
private final LongAdder bitCount = new LongAdder();
|
||||
|
||||
public ConcurrentBitSet(int size) {
|
||||
this.size = size;
|
||||
int wordCount = (size + 63) >>> 6;
|
||||
this.words = new AtomicLongArray(wordCount);
|
||||
}
|
||||
|
||||
public void set(int bit) {
|
||||
if (bit < 0 || bit >= size) return;
|
||||
int wordIndex = bit >>> 6;
|
||||
long mask = 1L << (bit & 63);
|
||||
while (true) {
|
||||
long oldWord = words.get(wordIndex);
|
||||
long newWord = oldWord | mask;
|
||||
if (oldWord == newWord) return;
|
||||
if (words.compareAndSet(wordIndex, oldWord, newWord)) {
|
||||
bitCount.increment();
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void clear(int bit) {
|
||||
if (bit < 0 || bit >= size) return;
|
||||
int wordIndex = bit >>> 6;
|
||||
long mask = ~(1L << (bit & 63));
|
||||
while (true) {
|
||||
long oldWord = words.get(wordIndex);
|
||||
long newWord = oldWord & mask;
|
||||
if (oldWord == newWord) return;
|
||||
if (words.compareAndSet(wordIndex, oldWord, newWord)) {
|
||||
bitCount.decrement();
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public int nextSetBit(int from) {
|
||||
if (from < 0) from = 0;
|
||||
int wordIndex = from >>> 6;
|
||||
if (wordIndex >= words.length()) return -1;
|
||||
long word = words.get(wordIndex) & (~0L << (from & 63));
|
||||
while (true) {
|
||||
if (word != 0) {
|
||||
int idx = (wordIndex << 6) + Long.numberOfTrailingZeros(word);
|
||||
return (idx < size) ? idx : -1;
|
||||
}
|
||||
wordIndex++;
|
||||
if (wordIndex >= words.length()) return -1;
|
||||
word = words.get(wordIndex);
|
||||
}
|
||||
}
|
||||
|
||||
public boolean isEmpty() {
|
||||
return bitCount.sum() == 0;
|
||||
}
|
||||
|
||||
public long cardinality() {
|
||||
return bitCount.sum();
|
||||
}
|
||||
}
|
||||
120
src/main/java/com/hbm/util/SubChunkSnapshot.java
Normal file
120
src/main/java/com/hbm/util/SubChunkSnapshot.java
Normal file
@ -0,0 +1,120 @@
|
||||
package com.hbm.util;
|
||||
|
||||
import net.minecraft.block.Block;
|
||||
import net.minecraft.init.Blocks;
|
||||
import net.minecraft.world.ChunkCoordIntPair;
|
||||
import net.minecraft.world.World;
|
||||
import net.minecraft.world.chunk.Chunk;
|
||||
import net.minecraft.world.chunk.storage.ExtendedBlockStorage;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* A snapshot of a 16×16×16 sub-chunk.
|
||||
* @Author mlbv
|
||||
*/
|
||||
public class SubChunkSnapshot {
|
||||
/**
|
||||
* A sub-chunk that contains only air.
|
||||
*/
|
||||
public static final SubChunkSnapshot EMPTY = new SubChunkSnapshot(new Block[]{Blocks.air}, null);
|
||||
private final Block[] palette;
|
||||
private final short[] data;
|
||||
|
||||
private SubChunkSnapshot(Block[] p, short[] d) {
|
||||
this.palette = p;
|
||||
this.data = d;
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a SubChunkSnapshot from a loaded chunk.
|
||||
*
|
||||
* @param world
|
||||
* The World instance from which to retrieve the chunk.
|
||||
* @param cpos
|
||||
* The ChunkCoordIntPair identifying the chunk coordinates (x, z).
|
||||
* @param subY
|
||||
* The vertical sub-chunk index (0–15) within the chunk.
|
||||
* @return
|
||||
* A SubChunkSnapshot containing the palette and block data for the sub-chunk,
|
||||
* or SubChunkSnapshot.EMPTY if the region is unloaded or contains only air.
|
||||
*/
|
||||
public static SubChunkSnapshot getSnapshot(World world, ChunkCoordIntPair cpos, int subY) {
|
||||
if (!world.getChunkProvider().chunkExists(cpos.chunkXPos, cpos.chunkZPos)) {
|
||||
return SubChunkSnapshot.EMPTY;
|
||||
}
|
||||
return getOrLoadSnapshot(world, cpos, subY);
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a SubChunkSnapshot.
|
||||
*
|
||||
* @param world
|
||||
* The World instance from which to retrieve the chunk.
|
||||
* @param cpos
|
||||
* The ChunkCoordIntPair identifying the chunk coordinates (x, z).
|
||||
* @param subY
|
||||
* The vertical sub-chunk index (0–15) within the chunk.
|
||||
* @return
|
||||
* A SubChunkSnapshot containing the palette and block data for the sub-chunk,
|
||||
* or SubChunkSnapshot.EMPTY if the region contains only air.
|
||||
*/
|
||||
public static SubChunkSnapshot getOrLoadSnapshot(World world, ChunkCoordIntPair cpos, int subY){
|
||||
Chunk chunk = world.getChunkFromChunkCoords(cpos.chunkXPos, cpos.chunkZPos);
|
||||
ExtendedBlockStorage ebs = chunk.getBlockStorageArray()[subY];
|
||||
if (ebs == null || ebs.isEmpty()) return SubChunkSnapshot.EMPTY;
|
||||
|
||||
short[] data = new short[16 * 16 * 16];
|
||||
List<Block> palette = new ArrayList<>();
|
||||
palette.add(Blocks.air);
|
||||
Map<Block, Short> idxMap = new HashMap<>();
|
||||
idxMap.put(Blocks.air, (short) 0);
|
||||
boolean allAir = true;
|
||||
|
||||
for (int ly = 0; ly < 16; ly++) {
|
||||
for (int lz = 0; lz < 16; lz++) {
|
||||
for (int lx = 0; lx < 16; lx++) {
|
||||
Block block = ebs.getBlockByExtId(lx, ly, lz);
|
||||
int idx;
|
||||
if (block == Blocks.air) {
|
||||
idx = 0;
|
||||
} else {
|
||||
allAir = false;
|
||||
Short e = idxMap.get(block);
|
||||
if (e == null) {
|
||||
idxMap.put(block, (short) palette.size());
|
||||
palette.add(block);
|
||||
idx = palette.size() - 1;
|
||||
} else {
|
||||
idx = e;
|
||||
}
|
||||
}
|
||||
data[(ly << 8) | (lz << 4) | lx] = (short) idx;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (allAir) return SubChunkSnapshot.EMPTY;
|
||||
return new SubChunkSnapshot(palette.toArray(new Block[0]), data);
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieves the Block at the specified local coordinates within this sub-chunk snapshot.
|
||||
*
|
||||
* @param x
|
||||
* The local x-coordinate within the sub-chunk (0–15).
|
||||
* @param y
|
||||
* The local y-coordinate within the sub-chunk (0–15).
|
||||
* @param z
|
||||
* The local z-coordinate within the sub-chunk (0–15).
|
||||
* @return
|
||||
* The Block instance at the given position.
|
||||
*/
|
||||
public Block getBlock(int x, int y, int z) {
|
||||
if (this == EMPTY || data == null) return Blocks.air;
|
||||
short idx = data[(y << 8) | (z << 4) | x];
|
||||
return (idx >= 0 && idx < palette.length) ? palette[idx] : Blocks.air;
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user