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SakuraMC/patches/server/0021-Specialised-Explosions.patch
Samsuik 49e3c7c746 Fix explosion player velocity 
The player velocity was not being talied correctly, and velocity was not
sent when explosion effects were disabled in fps settings.
2024-11-28 14:49:29 +00:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samsuik <kfian294ma4@gmail.com>
Date: Fri, 3 May 2024 15:04:31 +0100
Subject: [PATCH] Specialised Explosions
diff --git a/src/main/java/io/papermc/paper/util/maplist/IteratorSafeOrderedReferenceSet.java b/src/main/java/io/papermc/paper/util/maplist/IteratorSafeOrderedReferenceSet.java
index 0fd814f1d65c111266a2b20f86561839a4cef755..932f7a0d030d2d4932e6e6d4a5805e9b683cce67 100644
--- a/src/main/java/io/papermc/paper/util/maplist/IteratorSafeOrderedReferenceSet.java
+++ b/src/main/java/io/papermc/paper/util/maplist/IteratorSafeOrderedReferenceSet.java
@@ -125,6 +125,12 @@ public final class IteratorSafeOrderedReferenceSet<E> {
}
}
+ // Sakura start - add indexOf method
+ public int indexOf(final E element) {
+ return this.indexMap.getInt(element);
+ }
+ // Sakura end - add indexOf method
+
public boolean remove(final E element) {
final int index = this.indexMap.removeInt(element);
if (index >= 0) {
diff --git a/src/main/java/me/samsuik/sakura/explosion/special/SpecialisedExplosion.java b/src/main/java/me/samsuik/sakura/explosion/special/SpecialisedExplosion.java
new file mode 100644
index 0000000000000000000000000000000000000000..ce676a021dd375959e9403b237bad864cd2b7da2
--- /dev/null
+++ b/src/main/java/me/samsuik/sakura/explosion/special/SpecialisedExplosion.java
@@ -0,0 +1,201 @@
+package me.samsuik.sakura.explosion.special;
+
+import io.papermc.paper.util.WorldUtil;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Holder;
+import net.minecraft.core.particles.ParticleOptions;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.sounds.SoundEvent;
+import net.minecraft.util.Mth;
+import net.minecraft.world.damagesource.DamageSource;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.item.PrimedTnt;
+import net.minecraft.world.level.Explosion;
+import net.minecraft.world.level.ExplosionDamageCalculator;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.phys.AABB;
+import net.minecraft.world.phys.Vec3;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+import java.util.function.Consumer;
+
+public abstract class SpecialisedExplosion<T extends Entity> extends Explosion {
+ private static final double ENTITY_DISPATCH_DISTANCE = Math.pow(32.0, 2.0);
+
+ protected final ServerLevel level;
+ protected Vec3 position;
+ protected final T cause; // preferred over source
+ private Vec3 impactPosition;
+ protected ExplosionBlockCache[] recentBlockCache;
+ protected final BlockPos.MutableBlockPos mutablePos = new BlockPos.MutableBlockPos();
+
+ public SpecialisedExplosion(Level world, T entity, @Nullable DamageSource damageSource, @Nullable ExplosionDamageCalculator behavior, double x, double y, double z, float power, boolean createFire, BlockInteraction destructionType, ParticleOptions particle, ParticleOptions emitterParticle, Holder<SoundEvent> soundEvent) {
+ super(world, entity, damageSource, behavior, x, y, z, power, createFire, destructionType, particle, emitterParticle, soundEvent);
+ this.level = (ServerLevel) world;
+ this.position = new Vec3(x, y, z);
+ this.cause = entity;
+ this.impactPosition = this.position;
+ }
+
+ protected double getExplosionOffset() {
+ return (double) this.cause.getBbHeight() * 0.0625D;
+ }
+
+ protected abstract void startExplosion();
+
+ @Override
+ protected final void clearBlockCache() {
+ super.clearBlockCache();
+ this.recentBlockCache = null;
+ }
+
+ @Override
+ @Deprecated
+ public final void explode() {
+ if (this.radius() < 0.1F) {
+ // (radius < 0.1F) in bukkit is assumed to not be able to find any blocks or entities.
+ for (int i = 1; i < this.cause.getStacked(); ++i) {
+ this.finalizeExplosionAndParticles();
+ }
+ } else {
+ this.recentBlockCache = this.createBlockCache();
+ this.startExplosion(); // search for blocks, impact entities, finalise if necessary
+ this.clearBlockCache();
+ }
+ }
+
+ protected final boolean requiresImpactEntities() {
+ if (this.impactPosition.distanceToSqr(this.position) > ENTITY_DISPATCH_DISTANCE) {
+ this.impactPosition = this.position;
+ return true;
+ }
+ return !this.getToBlow().isEmpty();
+ }
+
+ protected final boolean finalizeExplosionAndParticles() {
+ this.wasCanceled = false;
+ super.finalizeExplosion(false);
+ boolean destroyedBlocks = !this.getToBlow().isEmpty();
+
+ if (!this.interactsWithBlocks()) {
+ this.getToBlow().clear(); // server sends block changes in the explosion packet
+ }
+
+ if (!this.wasCanceled) {
+ this.level.notifyPlayersOfExplosion(this.x, this.y, this.z, this.radius(), this);
+ this.getHitPlayers().clear();
+ }
+
+ this.getToBlow().clear();
+ return destroyedBlocks;
+ }
+
+ protected void postExplosion(List<BlockPos> foundBlocks, boolean destroyedBlocks) {
+ // optimisation: Keep the block cache across explosions and invalidate any found blocks.
+ // This can help reduce block retrievals while block searching when there's a durable block,
+ // and when ray tracing for obstructions. This is disabled by default because plugins can
+ // change blocks in the explosion event.
+ if (this.level.sakuraConfig().cannons.explosion.useBlockCacheAcrossExplosions && !foundBlocks.isEmpty() && !destroyedBlocks) {
+ this.markBlocksInCacheAsExplodable(foundBlocks);
+ } else {
+ super.blockCache.clear();
+ }
+
+ java.util.Arrays.fill(this.recentBlockCache, null);
+ }
+
+ protected final void recalculateExplosionPosition() {
+ this.recalculateExplosionPosition(this.cause);
+ }
+
+ protected final void recalculateExplosionPosition(T entity) {
+ this.x = entity.getX();
+ this.y = entity.getY() + this.getExplosionOffset();
+ this.z = entity.getZ();
+ this.position = new Vec3(this.x, this.y, this.z);
+ }
+
+ protected final void forEachEntitySliceInBounds(AABB bb, Consumer<Entity[]> sliceConsumer) {
+ int minSection = WorldUtil.getMinSection(this.level);
+ int maxSection = WorldUtil.getMaxSection(this.level);
+
+ int minChunkX = Mth.floor(bb.minX) >> 4;
+ int minChunkY = Mth.clamp(Mth.floor(bb.minY) >> 4, minSection, maxSection);
+ int minChunkZ = Mth.floor(bb.minZ) >> 4;
+ int maxChunkX = Mth.floor(bb.maxX) >> 4;
+ int maxChunkY = Mth.clamp(Mth.floor(bb.maxY) >> 4, minSection, maxSection);
+ int maxChunkZ = Mth.floor(bb.maxZ) >> 4;
+
+ io.papermc.paper.chunk.system.entity.EntityLookup entityLookup = this.level.getEntityLookup();
+ for (int chunkX = minChunkX; chunkX <= maxChunkX; ++chunkX) {
+ for (int chunkZ = minChunkZ; chunkZ <= maxChunkZ; ++chunkZ) {
+ io.papermc.paper.world.ChunkEntitySlices chunk = entityLookup.getChunk(chunkX, chunkZ);
+
+ if (chunk == null) {
+ continue;
+ }
+
+ for (int chunkY = minChunkY; chunkY <= maxChunkY; ++chunkY) {
+ sliceConsumer.accept(chunk.getSectionEntities(chunkY));
+ }
+ }
+ }
+ }
+
+ protected final void impactEntitiesFromPosition(Entity[] entities, Vec3 position, int potential, double radius) {
+ for (int i = 0; i < entities.length; ++i) {
+ Entity entity = entities[i];
+ if (entity == null) break;
+
+ if (entity != source && !entity.ignoreExplosion(this)) {
+ this.impactEntity(entity, position, potential, radius);
+ }
+
+ if (entities[i] != entity) {
+ i--;
+ }
+ }
+ }
+
+ protected final void impactEntity(Entity entity, Vec3 pos, int potential, double radius) {
+ if (entity.isPrimedTNT || entity.isFallingBlock) {
+ this.impactCannonEntity(entity, pos, potential, radius);
+ } else {
+ for (int i = 0; i < potential; ++i) {
+ super.impactEntity(this.recentBlockCache, this.mutablePos, (float) radius, pos, entity);
+ }
+ }
+ }
+
+ protected final void impactCannonEntity(Entity entity, Vec3 pos, int potential, double radius) {
+ double distanceFromBottom = Math.sqrt(entity.distanceToSqr(pos)) / radius;
+
+ if (distanceFromBottom <= 1.0) {
+ double x = entity.getX() - pos.x;
+ double y = (entity instanceof PrimedTnt ? entity.getY() : entity.getEyeY()) - this.y;
+ double z = entity.getZ() - pos.z;
+ double distance = Math.sqrt(x * x + y * y + z * z);
+
+ if (distance != 0.0D) {
+ x /= distance;
+ y /= distance;
+ z /= distance;
+ double density = this.getBlockDensity(pos, entity, this.recentBlockCache, this.mutablePos); // Paper - Optimize explosions // Paper - optimise explosions
+ double exposure = (1.0D - distanceFromBottom) * density;
+
+ if (exposure == 0.0) {
+ return;
+ }
+
+ x *= exposure;
+ y *= exposure;
+ z *= exposure;
+
+ for (int i = 0; i < potential; ++i) {
+ entity.addDeltaMovement(x, y, z);
+ }
+ }
+ }
+ }
+}
diff --git a/src/main/java/me/samsuik/sakura/explosion/special/TntExplosion.java b/src/main/java/me/samsuik/sakura/explosion/special/TntExplosion.java
new file mode 100644
index 0000000000000000000000000000000000000000..6bcef992766b901db34494a4d359ba335705b689
--- /dev/null
+++ b/src/main/java/me/samsuik/sakura/explosion/special/TntExplosion.java
@@ -0,0 +1,201 @@
+package me.samsuik.sakura.explosion.special;
+
+import io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet;
+import it.unimi.dsi.fastutil.objects.ObjectArrayList;
+import me.samsuik.sakura.entity.EntityState;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.core.Holder;
+import net.minecraft.core.particles.ParticleOptions;
+import net.minecraft.sounds.SoundEvent;
+import net.minecraft.util.Mth;
+import net.minecraft.world.damagesource.DamageSource;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.item.PrimedTnt;
+import net.minecraft.world.level.ExplosionDamageCalculator;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.phys.AABB;
+import net.minecraft.world.phys.Vec3;
+import org.bukkit.util.Vector;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+public final class TntExplosion extends SpecialisedExplosion<PrimedTnt> {
+ private static final int ALL_DIRECTIONS = 0b111;
+ private static final int FOUND_ALL_BLOCKS = ALL_DIRECTIONS + 12;
+
+ private final Vec3 originalPosition;
+ private final List<Vec3> explosions = new ObjectArrayList<>();
+ private AABB bounds;
+ private int wrapped = 0;
+ private boolean moved = false;
+
+ public TntExplosion(Level world, PrimedTnt tnt, @Nullable DamageSource damageSource, @Nullable ExplosionDamageCalculator behavior, double x, double y, double z, float power, boolean createFire, BlockInteraction destructionType, ParticleOptions particle, ParticleOptions emitterParticle, Holder<SoundEvent> soundEvent) {
+ super(world, tnt, damageSource, behavior, x, y, z, power, createFire, destructionType, particle, emitterParticle, soundEvent);
+ this.originalPosition = this.position;
+ this.bounds = new AABB(x, y, z, x, y, z);
+ }
+
+ @Override
+ protected void startExplosion() {
+ for (int i = this.calculateExplosionPotential() - 1; i >= 0; --i) {
+ Vec3 previousMomentum = this.cause.entityState().momentum();
+ boolean lastCycle = (i == 0);
+ this.midExplosion(previousMomentum, lastCycle); // search for blocks and impact entities
+
+ if (!lastCycle) {
+ EntityState entityState = this.nextSourceVelocity();
+ List<BlockPos> foundBlocks = new ObjectArrayList<>(this.getToBlow());
+ boolean destroyedBlocks = this.finalizeExplosionAndParticles();
+ this.postExplosion(foundBlocks, destroyedBlocks); // update wrapped, clear recent block cache
+ this.updateExplosionPosition(entityState, destroyedBlocks);
+ }
+ }
+ }
+
+ private void midExplosion(Vec3 previousMomentum, boolean lastCycle) {
+ if (this.wrapped < FOUND_ALL_BLOCKS) {
+ final int blockX = Mth.floor(this.x);
+ final int blockY = Mth.floor(this.y);
+ final int blockZ = Mth.floor(this.z);
+
+ final long key = BlockPos.asLong(blockX, blockY, blockZ);
+
+ final ExplosionBlockCache initialCache = this.getOrCacheExplosionBlock(blockX, blockY, blockZ, key, true);
+
+ if (initialCache.resistance <= (this.radius() * 1.3f) && this.interactsWithBlocks() && this.isRegionUnprotected()) { // Sakura - optimise protected explosions
+ this.searchForBlocks(this.recentBlockCache, initialCache);
+ }
+ }
+
+ if (this.wrapped < ALL_DIRECTIONS) {
+ Vec3 momentum = this.cause.entityState().momentum();
+ for (Direction.Axis axis : Direction.Axis.VALUES) {
+ double current = momentum.get(axis);
+ double previous = previousMomentum.get(axis);
+ if (current == previous || current * previous < 0) {
+ this.wrapped |= 1 << axis.ordinal();
+ }
+ }
+ }
+
+ this.bounds = this.bounds.expand(this.position);
+ this.explosions.add(this.position);
+
+ if (lastCycle || this.requiresImpactEntities()) {
+ this.locateAndImpactEntitiesInBounds();
+ this.bounds = new AABB(this.position, this.position);
+ this.explosions.clear();
+ }
+ }
+
+ @Override
+ protected void postExplosion(List<BlockPos> foundBlocks, boolean destroyedBlocks) {
+ super.postExplosion(foundBlocks, destroyedBlocks);
+ // Update wrapped, this is for tracking swinging and if blocks are found
+ if (this.wrapped >= 7) {
+ if (!destroyedBlocks && this.level.sakuraConfig().cannons.explosion.avoidRedundantBlockSearches) {
+ this.wrapped++;
+ } else {
+ this.wrapped = 7;
+ }
+ }
+ }
+
+ private Vector getCauseOrigin() {
+ Vector origin = this.cause.getOriginVector();
+ return origin == null ? new Vector(this.x, this.y, this.z) : origin;
+ }
+
+ private EntityState nextSourceVelocity() {
+ Vector origin = this.getCauseOrigin(); // valid position to use while creating a temporary entity
+ PrimedTnt tnt = new PrimedTnt(this.level, origin.getX(), origin.getY(), origin.getZ(), null);
+ this.cause.entityState().apply(tnt);
+ this.impactCannonEntity(tnt, this.position, 1, this.radius() * 2.0f);
+ return EntityState.of(tnt);
+ }
+
+ private void updateExplosionPosition(EntityState entityState, boolean destroyedBlocks) {
+ // Before setting entity state, otherwise we might cause issues.
+ final boolean hasMoved;
+ if (this.moved) {
+ hasMoved = true;
+ } else if (this.position.equals(this.cause.position())) {
+ hasMoved = false;
+ } else {
+ double newMomentum = entityState.momentum().lengthSqr();
+ double oldMomentum = this.cause.entityState().momentum().lengthSqr();
+ hasMoved = oldMomentum <= Math.pow(this.radius() * 2.0 + 1.0, 2.0) || newMomentum <= oldMomentum;
+ }
+
+ // Keep track of entity state
+ entityState.apply(this.cause);
+ this.cause.storeEntityState();
+
+ // Ticking is always required after destroying a block.
+ if (destroyedBlocks || hasMoved) {
+ this.cause.setFuse(100);
+ this.cause.tick();
+ this.moved |= !this.position.equals(this.originalPosition);
+ this.recalculateExplosionPosition();
+ }
+ }
+
+ private int calculateExplosionPotential() {
+ IteratorSafeOrderedReferenceSet<Entity> entities = this.level.entityTickList.entities;
+ int base = this.cause.getStacked();
+ int index = entities.indexOf(this.cause);
+ // iterate over the entityTickList to find entities that are exploding in the same position.
+ while ((index = entities.advanceRawIterator(index)) != -1) {
+ Entity foundEntity = entities.rawGet(index);
+ if (foundEntity.isRemoved() || !foundEntity.compareState(this.cause) || !foundEntity.isSafeToMergeInto(this.cause))
+ break;
+ base += foundEntity.getStacked();
+ foundEntity.discard();
+ foundEntity.updateEntityHandle(this.cause);
+ }
+
+ return base;
+ }
+
+ private void locateAndImpactEntitiesInBounds() {
+ double radius = this.radius() * 2.0f;
+ AABB bb = this.bounds;
+
+ Vec3 center = bb.getCenter();
+ double change = Math.max(bb.getXsize(), Math.max(bb.getYsize(), bb.getZsize()));
+ double maxDistanceSqr = Math.pow(radius + change, 2.0);
+ boolean moved = (change != 0.0);
+
+ this.forEachEntitySliceInBounds(bb.inflate(radius), entities -> {
+ if (moved) {
+ this.impactEntitiesSwinging(entities, center, radius, maxDistanceSqr);
+ } else {
+ this.impactEntitiesFromPosition(entities, this.explosions.get(0), this.explosions.size(), radius);
+ }
+ });
+ }
+
+ private void impactEntitiesSwinging(Entity[] entities, Vec3 center, double radius, double maxDistanceSqr) {
+ for (int i = 0; i < entities.length; ++i) {
+ Entity entity = entities[i];
+ if (entity == null) break;
+
+ if (entity != this.source && !entity.ignoreExplosion(this) && entity.distanceToSqr(center.x, center.y, center.z) <= maxDistanceSqr) {
+ this.impactEntity(entity, radius);
+ }
+
+ if (entities[i] != entity) {
+ i--;
+ }
+ }
+ }
+
+ private void impactEntity(Entity entity, double radius) {
+ //noinspection ForLoopReplaceableByForEach
+ for (int i = 0; i < this.explosions.size(); i++) {
+ this.impactEntity(entity, this.explosions.get(i), 1, radius);
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 352a8d62dd25c4c612abe016c7038bdfd13006f2..e68ea2ac656085fbe25eb19c14793889cdafab8c 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1964,6 +1964,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
explosion.clearToBlow();
}
+ // Sakura start - specialised explosions
+ this.notifyPlayersOfExplosion(x, y, z, power, explosion);
+ return explosion;
+ }
+ public final void notifyPlayersOfExplosion(double x, double y, double z, float power, Explosion explosion) {
+ // Sakura end - specialised explosions
Iterator iterator = this.players.iterator();
while (iterator.hasNext()) {
@@ -1986,7 +1992,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
}
- return explosion;
+ // Sakura - return moved up into explode
}
@Override
diff --git a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
index dc9d72bc033735dd83d7b0f3fe79d0a51b9661ab..6cfa54da058939003576025cb0512e0bcc3e715b 100644
--- a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
+++ b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
@@ -84,28 +84,7 @@ public class PrimedTnt extends Entity implements TraceableEntity {
&& (tnt.entityState().fallDistance() == fallDistance
|| tnt.entityState().fallDistance() > 2.5f && fallDistance > 2.5f);
}
-
- @Override
- protected boolean respawnMerged() {
- if (stacked <= 1) return false;
-
- PrimedTnt tnt = new PrimedTnt(EntityType.TNT, level());
-
- while (stacked-- > 1) {
- this.setFuse(100); // Prevent unwanted explosions while ticking
-
- // Cause an explosion to affect this entity
- tnt.setPos(this.position());
- tnt.setDeltaMovement(this.getDeltaMovement());
- this.entityState().apply(this);
- tnt.explode();
- this.storeEntityState();
-
- this.tick();
- }
-
- return true;
- }
+ // Sakura - specialised explosions
// Sakura end
@Override
diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
index 103eca429d899f4d004ac0cb1996339e66543080..b2ba5d761e21023ef4e3ee01c7318a7a586e650b 100644
--- a/src/main/java/net/minecraft/world/level/Explosion.java
+++ b/src/main/java/net/minecraft/world/level/Explosion.java
@@ -56,9 +56,11 @@ public class Explosion {
private final Explosion.BlockInteraction blockInteraction;
private final RandomSource random;
private final Level level;
- private final double x;
- private final double y;
- private final double z;
+ // Sakura start - private -> protected
+ protected double x;
+ protected double y;
+ protected double z;
+ // Sakura end - private -> protected
@Nullable
public final Entity source;
private final float radius;
@@ -186,7 +188,7 @@ public class Explosion {
// resistance = (res + 0.3F) * 0.3F;
// so for resistance = 0, we need res = -0.3F
private static final Float ZERO_RESISTANCE = Float.valueOf(-0.3f);
- private it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap<ExplosionBlockCache> blockCache = null;
+ protected it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap<ExplosionBlockCache> blockCache = null; // Sakura - private -> protected
public static final class ExplosionBlockCache {
@@ -213,7 +215,29 @@ public class Explosion {
private long[] chunkPosCache = null;
private net.minecraft.world.level.chunk.LevelChunk[] chunkCache = null;
- private ExplosionBlockCache getOrCacheExplosionBlock(final int x, final int y, final int z,
+ // Sakura start - specialised explosions
+ protected final ExplosionBlockCache[] createBlockCache() {
+ this.blockCache = new it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap<>();
+
+ this.chunkPosCache = new long[CHUNK_CACHE_WIDTH * CHUNK_CACHE_WIDTH];
+ java.util.Arrays.fill(this.chunkPosCache, ChunkPos.INVALID_CHUNK_POS);
+
+ this.chunkCache = new net.minecraft.world.level.chunk.LevelChunk[CHUNK_CACHE_WIDTH * CHUNK_CACHE_WIDTH];
+
+ return new ExplosionBlockCache[BLOCK_EXPLOSION_CACHE_WIDTH * BLOCK_EXPLOSION_CACHE_WIDTH * BLOCK_EXPLOSION_CACHE_WIDTH];
+ }
+
+ protected final void markBlocksInCacheAsExplodable(List<BlockPos> blocks) {
+ for (BlockPos blow : blocks) {
+ ExplosionBlockCache cache = this.blockCache.get(blow.asLong());
+ // May be null if the blockCache is cleared then retrieved from the recent block cache
+ if (cache != null) {
+ cache.shouldExplode = null;
+ }
+ }
+ }
+ // Sakura end - specialised explosions
+ protected final ExplosionBlockCache getOrCacheExplosionBlock(final int x, final int y, final int z, // Sakura - private -> protected
final long key, final boolean calculateResistance) {
ExplosionBlockCache ret = this.blockCache.get(key);
if (ret != null) {
@@ -311,7 +335,7 @@ public class Explosion {
(currZ & BLOCK_EXPLOSION_CACHE_MASK) << (BLOCK_EXPLOSION_CACHE_SHIFT + BLOCK_EXPLOSION_CACHE_SHIFT);
ExplosionBlockCache cachedBlock = blockCache[cacheKey];
if (cachedBlock == null || cachedBlock.key != key) {
- blockCache[cacheKey] = cachedBlock = this.getOrCacheExplosionBlock(currX, currY, currZ, key, false);
+ blockCache[cacheKey] = cachedBlock = this.getOrCacheExplosionBlock(currX, currY, currZ, key, this.level.sakuraConfig().cannons.explosion.useBlockCacheAcrossExplosions); // Sakura - specialised explosions
}
final BlockState blockState = cachedBlock.blockState;
@@ -502,14 +526,7 @@ public class Explosion {
int j;
// Paper start - optimise explosions
- this.blockCache = new it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap<>();
-
- this.chunkPosCache = new long[CHUNK_CACHE_WIDTH * CHUNK_CACHE_WIDTH];
- java.util.Arrays.fill(this.chunkPosCache, ChunkPos.INVALID_CHUNK_POS);
-
- this.chunkCache = new net.minecraft.world.level.chunk.LevelChunk[CHUNK_CACHE_WIDTH * CHUNK_CACHE_WIDTH];
-
- final ExplosionBlockCache[] blockCache = new ExplosionBlockCache[BLOCK_EXPLOSION_CACHE_WIDTH * BLOCK_EXPLOSION_CACHE_WIDTH * BLOCK_EXPLOSION_CACHE_WIDTH];
+ final ExplosionBlockCache[] blockCache = this.createBlockCache();
// use initial cache value that is most likely to be used: the source position
final ExplosionBlockCache initialCache;
{
@@ -757,7 +774,10 @@ public class Explosion {
Player entityhuman = (Player) entity;
if (!entityhuman.isSpectator() && (!entityhuman.isCreative() || !entityhuman.getAbilities().flying) && !level.paperConfig().environment.disableExplosionKnockback) { // Paper - Option to disable explosion knockback
- this.hitPlayers.put(entityhuman, vec3d1);
+ // Sakura start - specialised explosions; tally player velocity
+ final Vec3 explosionImpact = vec3d1;
+ this.hitPlayers.compute(entityhuman, (p, v) -> v != null ? v.add(explosionImpact) : explosionImpact);
+ // Sakura end - specialised explosions; tally player velocity
}
}
@@ -994,7 +1014,7 @@ public class Explosion {
private BlockInteraction() {}
}
// Paper start - Optimize explosions
- private float getBlockDensity(Vec3 vec3d, Entity entity, ExplosionBlockCache[] blockCache, BlockPos.MutableBlockPos blockPos) { // Paper - optimise explosions
+ protected final float getBlockDensity(Vec3 vec3d, Entity entity, ExplosionBlockCache[] blockCache, BlockPos.MutableBlockPos blockPos) { // Sakura - private -> protected // Paper - optimise explosions
// Sakura start - replace density cache
float blockDensity = this.level.densityCache.getDensity(vec3d, entity);
if (blockDensity == me.samsuik.sakura.explosion.density.BlockDensityCache.UNKNOWN_DENSITY) {
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index d41086a80ea03855fde694947fa61f2d48eaa114..507d676c58daf2297eb729543a7f86c896a984d6 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -1407,7 +1407,14 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
}
Explosion.BlockInteraction explosion_effect1 = explosion_effect;
- Explosion explosion = new Explosion(this, entity, damageSource, behavior, x, y, z, power, createFire, explosion_effect1, particle, emitterParticle, soundEvent);
+ // Sakura start - specialised explosions
+ final Explosion explosion;
+ if (entity instanceof net.minecraft.world.entity.item.PrimedTnt tnt) {
+ explosion = new me.samsuik.sakura.explosion.special.TntExplosion(this, tnt, damageSource, behavior, x, y, z, power, createFire, explosion_effect1, particle, emitterParticle, soundEvent);
+ } else {
+ explosion = new Explosion(this, entity, damageSource, behavior, x, y, z, power, createFire, explosion_effect1, particle, emitterParticle, soundEvent);
+ }
+ // Sakura end - specialised explosions
explosion.explode();
explosion.finalizeExplosion(particles);
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