1 files changed, 134 insertions, 0 deletions
diff --git a/patches/server/0673-Add-critical-damage-API.patch b/patches/server/0673-Add-critical-damage-API.patch
new file mode 100644
index 0000000000..8280cf1022
--- /dev/null
+++ b/patches/server/0673-Add-critical-damage-API.patch
@@ -0,0 +1,134 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: dodison <[email protected]>
+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 df8c88bfa749e02f633350446101dcce05db7ac1..1a0f86b5a632469942e33c237c247d2d1dee4a3d 100644
+--- a/src/main/java/net/minecraft/world/damagesource/DamageSource.java
++++ b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
+@@ -191,4 +191,18 @@ public class DamageSource {
+     public Holder<DamageType> typeHolder() {
+         return this.type;
+     }
++
++    // Paper start - add critical damage API
++    private boolean critical;
++    public boolean isCritical() {
++        return this.critical;
++    }
++    public DamageSource critical() {
++        return this.critical(true);
++    }
++    public DamageSource critical(boolean critical) {
++        this.critical = critical;
++        return this;
++    }
++    // Paper end
+ }
+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 8f604924b47ed4027f4212007530b6d0c39f73a9..fd39c81ab54e07630fa12e9e451dcd9b529db446 100644
+--- a/src/main/java/net/minecraft/world/entity/player/Player.java
++++ b/src/main/java/net/minecraft/world/entity/player/Player.java
+@@ -1262,7 +1262,7 @@ 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 && !this.level().paperConfig().entities.behavior.disablePlayerCrits; // Paper
+                     flag2 = flag2 && !this.isSprinting();
+@@ -1302,7 +1302,7 @@ public abstract class Player extends LivingEntity {
+                     }
+ 
+                     Vec3 vec3d = target.getDeltaMovement();
+-                    boolean flag5 = target.hurt(this.damageSources().playerAttack(this), f);
++                    boolean flag5 = target.hurt(this.damageSources().playerAttack(this).critical(flag2), f); // Paper - add critical damage API
+ 
+                     if (flag5) {
+                         if (i > 0) {
+@@ -1330,7 +1330,7 @@ public abstract class Player extends LivingEntity {
+ 
+                                 if (entityliving != this && entityliving != target && !this.isAlliedTo((Entity) 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(this.damageSources().playerAttack(this).sweep(), f4)) {
++                                    if (entityliving.hurt(this.damageSources().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); // Pa
+                                     }
+                                     // 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 a0d688128a1268fa1acf7c339cde15df5dce1c82..372b9ec0c8eddf4a01b4b8203a88401db22affbf 100644
+--- a/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
++++ b/src/main/java/net/minecraft/world/entity/projectile/AbstractArrow.java
+@@ -372,6 +372,7 @@ 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 64e1e46bd6c4b225fe9b86c4cf632b9bb1c4af09..94796cbe43546748b28aa921d22cb4b68ef23fa6 100644
+--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
++++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+@@ -988,7 +988,7 @@ 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.isCritical()); // Paper - add critical damage API
+             }
+             event.setCancelled(cancelled);
+ 
+@@ -1020,7 +1020,7 @@ public class CraftEventFactory {
+                 cause = DamageCause.SONIC_BOOM;
+             }
+ 
+-            return CraftEventFactory.callEntityDamageEvent(damager, entity, cause, modifiers, modifierFunctions, cancelled);
++            return CraftEventFactory.callEntityDamageEvent(damager, entity, cause, modifiers, modifierFunctions, cancelled, source.isCritical()); // Paper - add critical damage API
+         } else if (source.is(DamageTypes.FELL_OUT_OF_WORLD)) {
+             EntityDamageEvent event = new EntityDamageByBlockEvent(null, entity.getBukkitEntity(), DamageCause.VOID, modifiers, modifierFunctions);
+             event.setCancelled(cancelled);
+@@ -1090,7 +1090,7 @@ public class CraftEventFactory {
+             } else {
+                 throw new IllegalStateException(String.format("Unhandled damage of %s by %s from %s", entity, damager.getHandle(), source.getMsgId()));
+             }
+-            EntityDamageEvent event = new EntityDamageByEntityEvent(damager, entity.getBukkitEntity(), cause, modifiers, modifierFunctions);
++            EntityDamageEvent event = new EntityDamageByEntityEvent(damager, entity.getBukkitEntity(), cause, modifiers, modifierFunctions, source.isCritical()); // Paper - add critical damage API
+             event.setCancelled(cancelled);
+             CraftEventFactory.callEvent(event);
+             if (!event.isCancelled()) {
+@@ -1139,20 +1139,28 @@ 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.isCritical()); // Paper - add critical damage API
+         }
+ 
+         throw new IllegalStateException(String.format("Unhandled damage of %s from %s", entity, source.getMsgId()));
+     }
+ 
++    @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);
+         }