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Add critical damage API (#6275)

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Kacper Płażewski 2021-10-21 00:15:28 +02:00 committed by GitHub
parent 55ca459515
commit bb397ba74c
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51
patches/api/0342-Add-critical-damage-API.patch Normal file
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@ -0,0 +1,51 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: dodison <kacpik@mapik.eu>
Date: Mon, 26 Jul 2021 17:35:20 +0200
Subject: [PATCH] Add critical damage API
diff --git a/src/main/java/org/bukkit/event/entity/EntityDamageByEntityEvent.java b/src/main/java/org/bukkit/event/entity/EntityDamageByEntityEvent.java
index 869bad7405ec7fa67728e90d8b9f2e11b542611f..7ce8f1a26c1b33dd0eb6e6435952fd73abf49879 100644
--- a/src/main/java/org/bukkit/event/entity/EntityDamageByEntityEvent.java
+++ b/src/main/java/org/bukkit/event/entity/EntityDamageByEntityEvent.java
@@ -11,15 +11,40 @@ import org.jetbrains.annotations.NotNull;
public class EntityDamageByEntityEvent extends EntityDamageEvent {
private final Entity damager;
+ @Deprecated // Paper - add critical damage API
public EntityDamageByEntityEvent(@NotNull final Entity damager, @NotNull final Entity damagee, @NotNull final DamageCause cause, final double damage) {
super(damagee, cause, damage);
this.damager = damager;
+ this.critical = false; // Paper - add critical damage API
}
+ @Deprecated // Paper - add critical damage API
public EntityDamageByEntityEvent(@NotNull final Entity damager, @NotNull final Entity damagee, @NotNull final DamageCause cause, @NotNull final Map<DamageModifier, Double> modifiers, @NotNull final Map<DamageModifier, ? extends Function<? super Double, Double>> modifierFunctions) {
+ // Paper start - add critical damage API
+ this(damager, damagee, cause, modifiers, modifierFunctions, false);
+ }
+
+ private final boolean critical;
+ public EntityDamageByEntityEvent(@NotNull final Entity damager, @NotNull final Entity damagee, @NotNull final DamageCause cause, @NotNull final Map<DamageModifier, Double> modifiers, @NotNull final Map<DamageModifier, ? extends Function<? super Double, Double>> modifierFunctions, boolean critical) {
+ // Paper end
super(damagee, cause, modifiers, modifierFunctions);
this.damager = damager;
+ // Paper start - add critical damage API
+ this.critical = critical;
+ }
+
+ /**
+ * Shows this damage instance was critical.
+ * The damage instance can be critical if the attacking player met the respective conditions.
+ * Furthermore arrows may also cause a critical damage event if the arrow {@link org.bukkit.entity.AbstractArrow#isCritical()}.
+ *
+ * @return if the hit was critical.
+ * @see <a href="https://minecraft.fandom.com/wiki/Damage#Critical_hit">https://minecraft.fandom.com/wiki/Damage#Critical_hit</a>
+ */
+ public boolean isCritical() {
+ return this.critical;
}
+ // Paper end
/**
* Returns the entity that damaged the defender.

168
patches/server/0832-Add-critical-damage-API.patch Normal file
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@ -0,0 +1,168 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: dodison <kacpik@mapik.eu>
Date: Mon, 26 Jul 2021 17:32:36 +0200
Subject: [PATCH] Add critical damage API
diff --git a/src/main/java/net/minecraft/world/damagesource/DamageSource.java b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
index 80d19af2ad423bd3de0e039c5bb8f97af536aaa9..57bf7dba266b4df7b36bab2d58a609a1ce8948ef 100644
--- a/src/main/java/net/minecraft/world/damagesource/DamageSource.java
+++ b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
@@ -64,6 +64,19 @@ public class DamageSource {
return this;
}
// CraftBukkit end
+ // Paper start - add critical damage API
+ private boolean critical;
+ public boolean isCritcal() {
+ return this.critical;
+ }
+ public DamageSource critical() {
+ return this.critical(true);
+ }
+ public DamageSource critical(boolean critical) {
+ this.critical = critical;
+ return this;
+ }
+ // Paper end
public static DamageSource sting(LivingEntity attacker) {
return new EntityDamageSource("sting", attacker);
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 1018f4640bab5876c5e0afb5b88f71437fb79662..cbdff14b26f67b5040c13659f9d64d9ec4c7eaed 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -2571,15 +2571,27 @@ public abstract class LivingEntity extends Entity {
return this.hasEffect(MobEffects.JUMP) ? (double) (0.1F * (float) (this.getEffect(MobEffects.JUMP).getAmplifier() + 1)) : 0.0D;
}
+ protected long lastJumpTime = 0L; // Paper - add critical damage API
protected void jumpFromGround() {
double d0 = (double) this.getJumpPower() + this.getJumpBoostPower();
Vec3 vec3d = this.getDeltaMovement();
+ // Paper start - add critical damage API
+ long time = System.nanoTime();
+ boolean canCrit = true;
+ if (this instanceof net.minecraft.world.entity.player.Player) {
+ canCrit = false;
+ if (time - this.lastJumpTime > (long)(0.250e9)) {
+ this.lastJumpTime = time;
+ canCrit = true;
+ }
+ }
+ // Paper end - add critical damage API
this.setDeltaMovement(vec3d.x, d0, vec3d.z);
if (this.isSprinting()) {
float f = this.getYRot() * 0.017453292F;
- this.setDeltaMovement(this.getDeltaMovement().add((double) (-Mth.sin(f) * 0.2F), 0.0D, (double) (Mth.cos(f) * 0.2F)));
+ if (canCrit) this.setDeltaMovement(this.getDeltaMovement().add((double) (-Mth.sin(f) * 0.2F), 0.0D, (double) (Mth.cos(f) * 0.2F))); // Paper - add critical damage API
}
this.hasImpulse = true;
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index ce713e1857121ca52467ad561c4fbb30ae054d87..94e76e295dbd0f3bac4b30a3e7338cd56a971207 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -1218,7 +1218,7 @@ public abstract class Player extends LivingEntity {
flag1 = true;
}
- boolean flag2 = flag && this.fallDistance > 0.0F && !this.onGround && !this.onClimbable() && !this.isInWater() && !this.hasEffect(MobEffects.BLINDNESS) && !this.isPassenger() && target instanceof LivingEntity;
+ boolean flag2 = flag && this.fallDistance > 0.0F && !this.onGround && !this.onClimbable() && !this.isInWater() && !this.hasEffect(MobEffects.BLINDNESS) && !this.isPassenger() && target instanceof LivingEntity; // Paper - Add critical damage API - conflict on change
flag2 = flag2 && !level.paperConfig.disablePlayerCrits; // Paper
flag2 = flag2 && !this.isSprinting();
@@ -1258,7 +1258,7 @@ public abstract class Player extends LivingEntity {
}
Vec3 vec3d = target.getDeltaMovement();
- boolean flag5 = target.hurt(DamageSource.playerAttack(this), f);
+ boolean flag5 = target.hurt(DamageSource.playerAttack(this).critical(flag2), f); // Paper - add critical damage API
if (flag5) {
if (i > 0) {
@@ -1286,7 +1286,7 @@ public abstract class Player extends LivingEntity {
if (entityliving != this && entityliving != target && !this.isAlliedTo(entityliving) && (!(entityliving instanceof ArmorStand) || !((ArmorStand) entityliving).isMarker()) && this.distanceToSqr((Entity) entityliving) < 9.0D) {
// CraftBukkit start - Only apply knockback if the damage hits
- if (entityliving.hurt(DamageSource.playerAttack(this).sweep(), f4)) {
+ if (entityliving.hurt(DamageSource.playerAttack(this).sweep().critical(flag2), f4)) { // Paper - add critical damage API
entityliving.knockback(0.4000000059604645D, (double) Mth.sin(this.getYRot() * 0.017453292F), (double) (-Mth.cos(this.getYRot() * 0.017453292F)), this); // Paper
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
index 6636845ea044c3810e1880aad8b679134cd33668..52e4948fd1657fa1776ac6b0142e8c21e7567976 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
@@ -381,6 +381,7 @@ public abstract class AbstractArrow extends Projectile {
}
}
+ if (this.isCritArrow()) damagesource = damagesource.critical(); // Paper - add critical damage API
boolean flag = entity.getType() == EntityType.ENDERMAN;
int k = entity.getRemainingFireTicks();
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 2b2654ec04e8abca9db09d6257edf11099bb0d9b..771a00ae7f467660b0c39ffeee05281e114df378 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -964,7 +964,7 @@ public class CraftEventFactory {
} else {
damageCause = DamageCause.ENTITY_EXPLOSION;
}
- event = new EntityDamageByEntityEvent(damager.getBukkitEntity(), entity.getBukkitEntity(), damageCause, modifiers, modifierFunctions);
+ event = new EntityDamageByEntityEvent(damager.getBukkitEntity(), entity.getBukkitEntity(), damageCause, modifiers, modifierFunctions, source.isCritcal()); // Paper - add critical damage API
}
event.setCancelled(cancelled);
@@ -989,7 +989,7 @@ public class CraftEventFactory {
cause = DamageCause.THORNS;
}
- return CraftEventFactory.callEntityDamageEvent(damager, entity, cause, modifiers, modifierFunctions, cancelled);
+ return CraftEventFactory.callEntityDamageEvent(damager, entity, cause, modifiers, modifierFunctions, cancelled, source.isCritcal()); // Paper - add critical damage API
} else if (source == DamageSource.OUT_OF_WORLD) {
EntityDamageEvent event = new EntityDamageByBlockEvent(null, entity.getBukkitEntity(), DamageCause.VOID, modifiers, modifierFunctions);
event.setCancelled(cancelled);
@@ -1044,7 +1044,7 @@ public class CraftEventFactory {
} else {
throw new IllegalStateException(String.format("Unhandled damage of %s by %s from %s", entity, damager.getHandle(), source.msgId));
}
- EntityDamageEvent event = new EntityDamageByEntityEvent(damager, entity.getBukkitEntity(), cause, modifiers, modifierFunctions);
+ EntityDamageEvent event = new EntityDamageByEntityEvent(damager, entity.getBukkitEntity(), cause, modifiers, modifierFunctions, source.isCritcal()); // Paper - add critical damage API
event.setCancelled(cancelled);
CraftEventFactory.callEvent(event);
if (!event.isCancelled()) {
@@ -1087,20 +1087,28 @@ public class CraftEventFactory {
}
if (cause != null) {
- return CraftEventFactory.callEntityDamageEvent(null, entity, cause, modifiers, modifierFunctions, cancelled);
+ return CraftEventFactory.callEntityDamageEvent(null, entity, cause, modifiers, modifierFunctions, cancelled, source.isCritcal()); // Paper - add critical damage API
}
throw new IllegalStateException(String.format("Unhandled damage of %s from %s", entity, source.msgId));
}
+ @Deprecated // Paper - Add critical damage API
private static EntityDamageEvent callEntityDamageEvent(Entity damager, Entity damagee, DamageCause cause, Map<DamageModifier, Double> modifiers, Map<DamageModifier, Function<? super Double, Double>> modifierFunctions) {
return CraftEventFactory.callEntityDamageEvent(damager, damagee, cause, modifiers, modifierFunctions, false);
}
+ // Paper start - Add critical damage API
+ @Deprecated
private static EntityDamageEvent callEntityDamageEvent(Entity damager, Entity damagee, DamageCause cause, Map<DamageModifier, Double> modifiers, Map<DamageModifier, Function<? super Double, Double>> modifierFunctions, boolean cancelled) {
+ return CraftEventFactory.callEntityDamageEvent(damager, damagee, cause, modifiers, modifierFunctions, false, false);
+ }
+
+ private static EntityDamageEvent callEntityDamageEvent(Entity damager, Entity damagee, DamageCause cause, Map<DamageModifier, Double> modifiers, Map<DamageModifier, Function<? super Double, Double>> modifierFunctions, boolean cancelled, boolean critical) {
+ // Paper end
EntityDamageEvent event;
if (damager != null) {
- event = new EntityDamageByEntityEvent(damager.getBukkitEntity(), damagee.getBukkitEntity(), cause, modifiers, modifierFunctions);
+ event = new EntityDamageByEntityEvent(damager.getBukkitEntity(), damagee.getBukkitEntity(), cause, modifiers, modifierFunctions, critical); // Paper - add critical damage API
} else {
event = new EntityDamageEvent(damagee.getBukkitEntity(), cause, modifiers, modifierFunctions);
}