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Fix incorrect invulnerability damage reduction

Browse source 
Fixes incorrect spigot handling of the invulnerability damage
reduction applied when an already invulnerable entity is damaged with a
larger damage amount than the initial damage.
Vanilla still damages entities even if invulnerable if the damage to be
applied is larger than the previous damage taken. In that case, vanilla
applies the difference between the previous damage taken and the
proposed damage.

Spigot's damage modifier API takes over the computation of damage
reducing effects, however spigot invokes this handling with the initial
damage before computing the difference to the previous damage amount.
This leads to the reduction values to generally be larger than expected,
as they are computed on the not-yet-reduced value.
Spigot applies these reductions after calling the EntityDamageEvent and
*then* subtracts the previous damage point, leading to the final damage
amount being smaller than expected.

This patch cannot simply call the EntityDamageEvent with the reduced
damage, as that would lead to EntityDamageEvent#getDamage() returning
the already reduced damage, which breaks its method contract.
Instead, this patch makes use of the DamageModifier API, implementing
the last-damage-reduction as a DamageModifier.
This commit is contained in:
Bjarne Koll 2024-11-11 21:35:27 +01:00
parent 318f7b2014
commit c7c3d8a9cb
2 changed files with 107 additions and 80 deletions
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181
paper-server/patches/sources/net/minecraft/world/entity/LivingEntity.java.patch
View file

@ -17,10 +17,11 @@
import net.minecraft.world.entity.projectile.AbstractArrow;
import net.minecraft.world.entity.projectile.Projectile;
import net.minecraft.world.item.AxeItem;
@@ -136,6 +137,30 @@
@@ -135,6 +136,30 @@
import net.minecraft.world.scores.PlayerTeam;
import net.minecraft.world.scores.Scoreboard;
import org.slf4j.Logger;
+
+// CraftBukkit start
+import java.util.ArrayList;
+import java.util.HashSet;
@ -44,10 +45,9 @@
+import org.bukkit.event.entity.EntityTeleportEvent;
+import org.bukkit.event.player.PlayerItemConsumeEvent;
+// CraftBukkit end
+
public abstract class LivingEntity extends Entity implements Attackable {
private static final Logger LOGGER = LogUtils.getLogger();
@@ -174,7 +199,7 @@
public static final float DEFAULT_BABY_SCALE = 0.5F;
public static final String ATTRIBUTES_FIELD = "attributes";
@ -668,12 +668,12 @@
- this.actuallyHurt(world, source, amount - this.lastHurt);
+ // Paper start - only call damage event when actuallyHurt will be called - move call logic down
+ event = this.handleEntityDamage(source, amount);
+ event = this.handleEntityDamage(source, amount, this.lastHurt); // Paper - fix invulnerability reduction in EntityDamageEvent - pass lastDamage reduction
+ amount = computeAmountFromEntityDamageEvent(event);
+ // Paper end - only call damage event when actuallyHurt will be called - move call logic down
+
+ // CraftBukkit start
+ if (!this.actuallyHurt(world, source, (float) event.getFinalDamage() - this.lastHurt, event)) {
+ if (!this.actuallyHurt(world, source, (float) event.getFinalDamage(), event)) { // Paper - fix invulnerability reduction in EntityDamageEvent - no longer subtract lastHurt, that is part of the damage event calc now
+ return false;
+ }
+ if (this instanceof ServerPlayer && event.getDamage() == 0 && originalAmount == 0) return false; // Paper - revert to vanilla damage - players are not affected by damage that is 0 - skip damage if the vanilla damage is 0 and was not modified by plugins in the event.
@ -682,7 +682,7 @@
flag1 = false;
} else {
+ // Paper start - only call damage event when actuallyHurt will be called - move call logic down
+ event = this.handleEntityDamage(source, amount);
+ event = this.handleEntityDamage(source, amount, 0); // Paper - fix invulnerability reduction in EntityDamageEvent - pass lastDamage reduction (none in this branch)
+ amount = computeAmountFromEntityDamageEvent(event);
+ // Paper end - only call damage event when actuallyHurt will be called - move call logic down
+ // CraftBukkit start
@ -764,10 +764,12 @@
this.lastHurtByPlayer = entityhuman1;
} else {
@@ -1358,12 +1660,24 @@
}
}
@@ -1356,14 +1658,26 @@
return null;
}
+ }
+
+ // Paper start - only call damage event when actuallyHurt will be called - move out amount computation logic
+ private float computeAmountFromEntityDamageEvent(final EntityDamageEvent event) {
+ // Taken from hurt()'s craftbukkit diff.
@ -777,9 +779,9 @@
+ amount += (float) event.getDamage(DamageModifier.FREEZING);
+ amount += (float) event.getDamage(DamageModifier.HARD_HAT);
+ return amount;
+ }
}
+ // Paper end - only call damage event when actuallyHurt will be called - move out amount computation logic
+
protected void blockUsingShield(LivingEntity attacker) {
attacker.blockedByShield(this);
}
@ -853,8 +855,7 @@
if (world instanceof ServerLevel) {
ServerLevel worldserver = (ServerLevel) world;
+ // Paper - move below into if for onKill
- if (entity == null || entity.killedEntity(worldserver, this)) {
+
+ // Paper start
+ org.bukkit.event.entity.EntityDeathEvent deathEvent = this.dropAllDeathLoot(worldserver, damageSource);
+ if (deathEvent == null || !deathEvent.isCancelled()) {
@ -869,7 +870,8 @@
+ this.clearedEquipmentSlots.clear();
+ }
+ // Paper end
+
- if (entity == null || entity.killedEntity(worldserver, this)) {
+ if (this.isSleeping()) {
+ this.stopSleeping();
+ }
@ -958,6 +960,8 @@
this.dropCustomDeathLoot(world, damageSource, flag);
+ this.clearEquipmentSlots = prev; // Paper
}
-
- this.dropEquipment(world);
+ // CraftBukkit start - Call death event // Paper start - call advancement triggers with correct entity equipment
+ org.bukkit.event.entity.EntityDeathEvent deathEvent = CraftEventFactory.callEntityDeathEvent(this, damageSource, this.drops, () -> {
+ final LivingEntity entityliving = this.getKillCredit();
@ -968,8 +972,7 @@
+ this.postDeathDropItems(deathEvent); // Paper
+ this.drops = new ArrayList<>();
+ // CraftBukkit end
- this.dropEquipment(world);
+
+ // this.dropEquipment(worldserver);// CraftBukkit - moved up
this.dropExperience(world, damageSource.getEntity());
+ return deathEvent; // Paper
@ -1109,7 +1112,7 @@
int i = (this.getEffect(MobEffects.DAMAGE_RESISTANCE).getAmplifier() + 1) * 5;
int j = 25 - i;
float f1 = amount * (float) j;
@@ -1884,18 +2324,154 @@
@@ -1884,18 +2324,170 @@
}
}
@ -1119,8 +1122,19 @@
- amount = this.getDamageAfterMagicAbsorb(source, amount);
- float f1 = amount;
+ // CraftBukkit start
+ private EntityDamageEvent handleEntityDamage(final DamageSource damagesource, float f) {
+ private EntityDamageEvent handleEntityDamage(final DamageSource damagesource, float f, final float invulnerabilityRelatedLastDamage) { // Paper - fix invulnerability reduction in EntityDamageEvent
+ float originalDamage = f;
+ // Paper start - fix invulnerability reduction in EntityDamageEvent
+ final com.google.common.base.Function<Double, Double> invulnerabilityReductionEquation = d -> {
+ if (invulnerabilityRelatedLastDamage == 0) return 0D; // no last damage, no reduction
+ // last damage existed, this means the reduction *technically* is (new damage - last damage).
+ // If the event damage was changed to something less than invul damage, hard lock it at 0.
+ if (d < invulnerabilityRelatedLastDamage) return 0D;
+ return (double) -invulnerabilityRelatedLastDamage;
+ };
+ final float originalInvulnerabilityReduction = invulnerabilityReductionEquation.apply((double) f).floatValue();
+ f += originalInvulnerabilityReduction;
+ // Paper end - fix invulnerability reduction in EntityDamageEvent
- amount = Math.max(amount - this.getAbsorptionAmount(), 0.0F);
- this.setAbsorptionAmount(this.getAbsorptionAmount() - (f1 - amount));
@ -1200,7 +1214,12 @@
+ };
+ float absorptionModifier = absorption.apply((double) f).floatValue();
+
+ return CraftEventFactory.handleLivingEntityDamageEvent(this, damagesource, originalDamage, freezingModifier, hardHatModifier, blockingModifier, armorModifier, resistanceModifier, magicModifier, absorptionModifier, freezing, hardHat, blocking, armor, resistance, magic, absorption);
+ // Paper start - fix invulnerability reduction in EntityDamageEvent
+ return CraftEventFactory.handleLivingEntityDamageEvent(this, damagesource, originalDamage, freezingModifier, hardHatModifier, blockingModifier, armorModifier, resistanceModifier, magicModifier, absorptionModifier, freezing, hardHat, blocking, armor, resistance, magic, absorption, (damageModifierDoubleMap, damageModifierFunctionMap) -> {
+ damageModifierFunctionMap.put(DamageModifier.INVULNERABILITY_REDUCTION, invulnerabilityReductionEquation);
+ damageModifierDoubleMap.put(DamageModifier.INVULNERABILITY_REDUCTION, (double) originalInvulnerabilityReduction);
+ });
+ // Paper end - fix invulnerability reduction in EntityDamageEvent
+ }
+
+ protected boolean actuallyHurt(ServerLevel worldserver, final DamageSource damagesource, float f, final EntityDamageEvent event) { // void -> boolean, add final
@ -1239,13 +1258,13 @@
+ if (damagesource.is(DamageTypeTags.DAMAGES_HELMET) && !this.getItemBySlot(EquipmentSlot.HEAD).isEmpty()) {
+ this.hurtHelmet(damagesource, f);
+ }
+
+ // Apply damage to armor
+ if (!damagesource.is(DamageTypeTags.BYPASSES_ARMOR)) {
+ float armorDamage = (float) (event.getDamage() + event.getDamage(DamageModifier.BLOCKING) + event.getDamage(DamageModifier.HARD_HAT));
+ this.hurtArmor(damagesource, armorDamage);
+ }
+
+ // Apply blocking code // PAIL: steal from above
+ if (event.getDamage(DamageModifier.BLOCKING) < 0) {
+ this.hurtCurrentlyUsedShield((float) -event.getDamage(DamageModifier.BLOCKING));
@ -1273,7 +1292,7 @@
if (entity instanceof ServerPlayer) {
ServerPlayer entityplayer = (ServerPlayer) entity;
@@ -1904,13 +2480,48 @@
@@ -1904,13 +2496,48 @@
}
}
@ -1326,7 +1345,7 @@
}
public CombatTracker getCombatTracker() {
@@ -1935,9 +2546,19 @@
@@ -1935,9 +2562,19 @@
}
public final void setArrowCount(int stuckArrowCount) {
@ -1347,7 +1366,7 @@
public final int getStingerCount() {
return (Integer) this.entityData.get(LivingEntity.DATA_STINGER_COUNT_ID);
}
@@ -1999,7 +2620,7 @@
@@ -1999,7 +2636,7 @@
this.playSound(soundeffect, this.getSoundVolume(), (this.random.nextFloat() - this.random.nextFloat()) * 0.2F + 1.0F);
}
@ -1356,7 +1375,7 @@
this.setHealth(0.0F);
this.die(this.damageSources().generic());
}
@@ -2083,7 +2704,7 @@
@@ -2083,7 +2720,7 @@
@Override
protected void onBelowWorld() {
@ -1365,20 +1384,20 @@
}
protected void updateSwingTime() {
@@ -2182,6 +2803,12 @@
@@ -2181,6 +2818,12 @@
public abstract Iterable<ItemStack> getArmorSlots();
public abstract ItemStack getItemBySlot(EquipmentSlot slot);
+
+ // CraftBukkit start
+ public void setItemSlot(EquipmentSlot enumitemslot, ItemStack itemstack, boolean silent) {
+ this.setItemSlot(enumitemslot, itemstack);
+ }
+ // CraftBukkit end
+
public abstract void setItemSlot(EquipmentSlot slot, ItemStack stack);
public Iterable<ItemStack> getHandSlots() {
@@ -2292,17 +2919,29 @@
@@ -2292,17 +2935,29 @@
return this.hasEffect(MobEffects.JUMP) ? 0.1F * ((float) this.getEffect(MobEffects.JUMP).getAmplifier() + 1.0F) : 0.0F;
}
@ -1409,7 +1428,7 @@
this.addDeltaMovement(new Vec3((double) (-Mth.sin(f1)) * 0.2D, 0.0D, (double) Mth.cos(f1) * 0.2D));
}
@@ -2494,7 +3133,7 @@
@@ -2494,7 +3149,7 @@
}
@ -1418,7 +1437,7 @@
Vec3 vec3d1 = this.getRiddenInput(controllingPlayer, movementInput);
this.tickRidden(controllingPlayer, vec3d1);
@@ -2507,13 +3146,13 @@
@@ -2507,13 +3162,13 @@
}
@ -1435,7 +1454,7 @@
return this.getSpeed();
}
@@ -2571,7 +3210,7 @@
@@ -2571,7 +3226,7 @@
double d1 = Mth.clamp(motion.z, -0.15000000596046448D, 0.15000000596046448D);
double d2 = Math.max(motion.y, -0.15000000596046448D);
@ -1444,7 +1463,7 @@
d2 = 0.0D;
}
@@ -2586,7 +3225,7 @@
@@ -2586,7 +3241,7 @@
}
protected float getFlyingSpeed() {
@ -1453,7 +1472,7 @@
}
public float getSpeed() {
@@ -2634,7 +3273,7 @@
@@ -2634,7 +3289,7 @@
}
}
@ -1462,7 +1481,7 @@
if (this.tickCount % 20 == 0) {
this.getCombatTracker().recheckStatus();
}
@@ -2687,38 +3326,16 @@
@@ -2687,38 +3342,16 @@
gameprofilerfiller.pop();
gameprofilerfiller.push("rangeChecks");
@ -1488,18 +1507,18 @@
- while (this.getXRot() - this.xRotO < -180.0F) {
- this.xRotO -= 360.0F;
- }
-
- while (this.getXRot() - this.xRotO >= 180.0F) {
- this.xRotO += 360.0F;
- }
+ this.xRotO += Math.round((this.getXRot() - this.xRotO) / 360.0F) * 360.0F;
- while (this.yHeadRot - this.yHeadRotO < -180.0F) {
- this.yHeadRotO -= 360.0F;
- while (this.getXRot() - this.xRotO >= 180.0F) {
- this.xRotO += 360.0F;
- }
+ this.yHeadRotO += Math.round((this.yHeadRot - this.yHeadRotO) / 360.0F) * 360.0F;
+ // Paper end
- while (this.yHeadRot - this.yHeadRotO < -180.0F) {
- this.yHeadRotO -= 360.0F;
- }
-
- while (this.yHeadRot - this.yHeadRotO >= 180.0F) {
- this.yHeadRotO += 360.0F;
- }
@ -1507,7 +1526,7 @@
gameprofilerfiller.pop();
this.animStep += f2;
if (this.isFallFlying()) {
@@ -2741,7 +3358,7 @@
@@ -2741,7 +3374,7 @@
this.elytraAnimationState.tick();
}
@ -1516,7 +1535,7 @@
Map<EquipmentSlot, ItemStack> map = this.collectEquipmentChanges();
if (map != null) {
@@ -2778,10 +3395,17 @@
@@ -2778,10 +3411,17 @@
throw new MatchException((String) null, (Throwable) null);
}
@ -1536,7 +1555,7 @@
if (map == null) {
map = Maps.newEnumMap(EquipmentSlot.class);
}
@@ -2864,7 +3488,7 @@
@@ -2864,7 +3504,7 @@
}
});
@ -1545,7 +1564,7 @@
}
private ItemStack getLastArmorItem(EquipmentSlot slot) {
@@ -2974,8 +3598,10 @@
@@ -2974,8 +3614,10 @@
} else if (this.isInLava() && (!this.onGround() || d3 > d4)) {
this.jumpInLiquid(FluidTags.LAVA);
} else if ((this.onGround() || flag && d3 <= d4) && this.noJumpDelay == 0) {
@ -1556,7 +1575,7 @@
}
} else {
this.noJumpDelay = 0;
@@ -3000,7 +3626,7 @@
@@ -3000,7 +3642,7 @@
{
LivingEntity entityliving = this.getControllingPassenger();
@ -1565,7 +1584,7 @@
if (this.isAlive()) {
this.travelRidden(entityhuman, vec3d1);
break label112;
@@ -3017,7 +3643,7 @@
@@ -3017,7 +3659,7 @@
this.calculateEntityAnimation(this instanceof FlyingAnimal);
gameprofilerfiller.pop();
gameprofilerfiller.push("freezing");
@ -1574,7 +1593,7 @@
int i = this.getTicksFrozen();
if (this.isInPowderSnow && this.canFreeze()) {
@@ -3046,6 +3672,20 @@
@@ -3046,6 +3688,20 @@
this.pushEntities();
gameprofilerfiller.pop();
@ -1595,7 +1614,7 @@
world = this.level();
if (world instanceof ServerLevel worldserver) {
if (this.isSensitiveToWater() && this.isInWaterRainOrBubble()) {
@@ -3063,6 +3703,7 @@
@@ -3063,6 +3719,7 @@
this.checkSlowFallDistance();
if (!this.level().isClientSide) {
if (!this.canGlide()) {
@ -1603,7 +1622,7 @@
this.setSharedFlag(7, false);
return;
}
@@ -3113,12 +3754,26 @@
@@ -3113,12 +3770,26 @@
Level world = this.level();
if (!(world instanceof ServerLevel worldserver)) {
@ -1633,7 +1652,7 @@
if (i > 0 && list.size() > i - 1 && this.random.nextInt(4) == 0) {
int j = 0;
@@ -3138,10 +3793,12 @@
@@ -3138,10 +3809,12 @@
}
Iterator iterator1 = list.iterator();
@ -1648,7 +1667,7 @@
this.doPush(entity1);
}
}
@@ -3190,10 +3847,16 @@
@@ -3190,10 +3863,16 @@
@Override
public void stopRiding() {
@ -1667,7 +1686,7 @@
this.dismountVehicle(entity);
}
@@ -3258,7 +3921,7 @@
@@ -3258,7 +3937,7 @@
}
public void onItemPickup(ItemEntity item) {
@ -1676,7 +1695,7 @@
if (entity instanceof ServerPlayer) {
CriteriaTriggers.THROWN_ITEM_PICKED_UP_BY_ENTITY.trigger((ServerPlayer) entity, item.getItem(), this);
@@ -3268,7 +3931,7 @@
@@ -3268,7 +3947,7 @@
public void take(Entity item, int count) {
if (!item.isRemoved() && !this.level().isClientSide && (item instanceof ItemEntity || item instanceof AbstractArrow || item instanceof ExperienceOrb)) {
@ -1685,7 +1704,7 @@
}
}
@@ -3284,7 +3947,8 @@
@@ -3284,7 +3963,8 @@
Vec3 vec3d = new Vec3(this.getX(), this.getEyeY(), this.getZ());
Vec3 vec3d1 = new Vec3(entity.getX(), entityY, entity.getZ());
@ -1695,7 +1714,7 @@
}
}
@@ -3305,13 +3969,27 @@
@@ -3305,15 +3985,29 @@
@Override
public boolean isPickable() {
@ -1708,9 +1727,9 @@
public boolean isPushable() {
- return this.isAlive() && !this.isSpectator() && !this.onClimbable();
+ return this.isCollidable(this.level().paperConfig().collisions.fixClimbingBypassingCrammingRule);
+ }
+
+ @Override
}
@Override
+ public boolean isCollidable(boolean ignoreClimbing) {
+ return this.isAlive() && !this.isSpectator() && (ignoreClimbing || !this.onClimbable()) && this.collides; // CraftBukkit
+ // Paper end - Climbing should not bypass cramming gamerule
@ -1720,12 +1739,14 @@
+ @Override
+ public boolean canCollideWithBukkit(Entity entity) {
+ return this.isPushable() && this.collides != this.collidableExemptions.contains(entity.getUUID());
}
+ }
+ // CraftBukkit end
@Override
+
+ @Override
public float getYHeadRot() {
@@ -3342,7 +4020,7 @@
return this.yHeadRot;
}
@@ -3342,7 +4036,7 @@
}
public final void setAbsorptionAmount(float absorptionAmount) {
@ -1734,7 +1755,7 @@
}
protected void internalSetAbsorptionAmount(float absorptionAmount) {
@@ -3410,9 +4088,14 @@
@@ -3410,9 +4104,14 @@
}
public void startUsingItem(InteractionHand hand) {
@ -1750,7 +1771,7 @@
this.useItem = itemstack;
this.useItemRemaining = itemstack.getUseDuration(this);
if (!this.level().isClientSide) {
@@ -3483,13 +4166,50 @@
@@ -3483,13 +4182,50 @@
this.releaseUsingItem();
} else {
if (!this.useItem.isEmpty() && this.isUsingItem()) {
@ -1776,7 +1797,7 @@
+ this.stopUsingItem(); // Paper - event is using an item, clear active item to reset its use
+ return;
+ }
+
+ itemstack = (craftItem.equals(event.getItem())) ? this.useItem.finishUsingItem(this.level(), this) : CraftItemStack.asNMSCopy(event.getItem()).finishUsingItem(this.level(), this);
+ } else {
+ itemstack = this.useItem.finishUsingItem(this.level(), this);
@ -1788,7 +1809,7 @@
+ }
+ // Paper end
+ // CraftBukkit end
+
if (itemstack != this.useItem) {
this.setItemInHand(enumhand, itemstack);
}
@ -1802,7 +1823,7 @@
}
}
@@ -3512,6 +4232,7 @@
@@ -3512,6 +4248,7 @@
public void releaseUsingItem() {
if (!this.useItem.isEmpty()) {
@ -1810,7 +1831,7 @@
this.useItem.releaseUsing(this.level(), this, this.getUseItemRemainingTicks());
if (this.useItem.useOnRelease()) {
this.updatingUsingItem();
@@ -3544,12 +4265,69 @@
@@ -3544,12 +4281,69 @@
if (this.isUsingItem() && !this.useItem.isEmpty()) {
Item item = this.useItem.getItem();
@ -1881,7 +1902,7 @@
public boolean isSuppressingSlidingDownLadder() {
return this.isShiftKeyDown();
}
@@ -3568,12 +4346,18 @@
@@ -3568,12 +4362,18 @@
}
public boolean randomTeleport(double x, double y, double z, boolean particleEffects) {
@ -1902,7 +1923,7 @@
Level world = this.level();
if (world.hasChunkAt(blockposition)) {
@@ -3592,18 +4376,43 @@
@@ -3592,18 +4392,43 @@
}
if (flag2) {
@ -1914,7 +1935,7 @@
+ this.setPos(d0, d6, d2);
if (world.noCollision((Entity) this) && !world.containsAnyLiquid(this.getBoundingBox())) {
flag1 = true;
+ }
}
+ // now revert and call event if the teleport place is valid
+ this.setPos(d3, d4, d5);
+
@ -1934,7 +1955,7 @@
+ return Optional.empty();
+ }
+ }
}
+ }
+ // CraftBukkit end
}
}
@ -1950,7 +1971,7 @@
world.broadcastEntityEvent(this, (byte) 46);
}
@@ -3613,7 +4422,7 @@
@@ -3613,7 +4438,7 @@
entitycreature.getNavigation().stop();
}
@ -1959,7 +1980,7 @@
}
}
@@ -3706,7 +4515,7 @@
@@ -3706,7 +4531,7 @@
}
public void stopSleeping() {
@ -1968,7 +1989,7 @@
Level world = this.level();
java.util.Objects.requireNonNull(world);
@@ -3718,9 +4527,9 @@
@@ -3718,9 +4543,9 @@
this.level().setBlock(blockposition, (BlockState) iblockdata.setValue(BedBlock.OCCUPIED, false), 3);
Vec3 vec3d = (Vec3) BedBlock.findStandUpPosition(this.getType(), this.level(), blockposition, enumdirection, this.getYRot()).orElseGet(() -> {
@ -1980,7 +2001,7 @@
});
Vec3 vec3d1 = Vec3.atBottomCenterOf(blockposition).subtract(vec3d).normalize();
float f = (float) Mth.wrapDegrees(Mth.atan2(vec3d1.z, vec3d1.x) * 57.2957763671875D - 90.0D);
@@ -3740,7 +4549,7 @@
@@ -3740,7 +4565,7 @@
@Nullable
public Direction getBedOrientation() {
@ -1989,7 +2010,7 @@
return blockposition != null ? BedBlock.getBedOrientation(this.level(), blockposition) : null;
}
@@ -3905,7 +4714,7 @@
@@ -3905,7 +4730,7 @@
public float maxUpStep() {
float f = (float) this.getAttributeValue(Attributes.STEP_HEIGHT);

6
paper-server/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
View file

@ -1218,6 +1218,11 @@ public class CraftEventFactory {
private static final Function<? super Double, Double> ZERO = Functions.constant(-0.0);
public static EntityDamageEvent handleLivingEntityDamageEvent(Entity damagee, DamageSource source, double rawDamage, double freezingModifier, double hardHatModifier, double blockingModifier, double armorModifier, double resistanceModifier, double magicModifier, double absorptionModifier, Function<Double, Double> freezing, Function<Double, Double> hardHat, Function<Double, Double> blocking, Function<Double, Double> armor, Function<Double, Double> resistance, Function<Double, Double> magic, Function<Double, Double> absorption) {
// Paper start - fix invulnerability reduction in EntityDamageEvent
return handleLivingEntityDamageEvent(damagee, source, rawDamage, freezingModifier, hardHatModifier, blockingModifier, armorModifier, resistanceModifier, magicModifier, absorptionModifier, freezing, hardHat, blocking, armor, resistance, magic, absorption, null);
}
public static EntityDamageEvent handleLivingEntityDamageEvent(Entity damagee, DamageSource source, double rawDamage, double freezingModifier, double hardHatModifier, double blockingModifier, double armorModifier, double resistanceModifier, double magicModifier, double absorptionModifier, Function<Double, Double> freezing, Function<Double, Double> hardHat, Function<Double, Double> blocking, Function<Double, Double> armor, Function<Double, Double> resistance, Function<Double, Double> magic, Function<Double, Double> absorption, java.util.function.BiConsumer<Map<DamageModifier, Double>, Map<DamageModifier, Function<? super Double, Double>>> callback) {
// Paper end - fix invulnerability reduction in EntityDamageEvent
Map<DamageModifier, Double> modifiers = new EnumMap<>(DamageModifier.class);
Map<DamageModifier, Function<? super Double, Double>> modifierFunctions = new EnumMap<>(DamageModifier.class);
modifiers.put(DamageModifier.BASE, rawDamage);
@ -1242,6 +1247,7 @@ public class CraftEventFactory {
modifierFunctions.put(DamageModifier.MAGIC, magic);
modifiers.put(DamageModifier.ABSORPTION, absorptionModifier);
modifierFunctions.put(DamageModifier.ABSORPTION, absorption);
if (callback != null) callback.accept(modifiers, modifierFunctions); // Paper - fix invulnerability reduction in EntityDamageEvent
return CraftEventFactory.handleEntityDamageEvent(damagee, source, modifiers, modifierFunctions);
}