1 files changed, 135 insertions, 0 deletions
diff --git a/patches/server/0727-Add-critical-damage-API.patch b/patches/server/0727-Add-critical-damage-API.patch
new file mode 100644
index 0000000000..e9da7c9a2f
--- /dev/null
+++ b/patches/server/0727-Add-critical-damage-API.patch
@@ -0,0 +1,135 @@
+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 80d19af2ad423bd3de0e039c5bb8f97af536aaa9..a828cad27fcd39f8bfbaefa97052a2a3b6650ee7 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 isCritical() {
++        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/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
+index 56110f0022c99dad562e9398f4f34b993eda4923..8eafe216a942956d97ad36a2fe0dbaccd9aa87a5 100644
+--- a/src/main/java/net/minecraft/world/entity/player/Player.java
++++ b/src/main/java/net/minecraft/world/entity/player/Player.java
+@@ -1215,7 +1215,7 @@ 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();
+@@ -1255,7 +1255,7 @@ 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) {
+@@ -1283,7 +1283,7 @@ 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(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 b436103957113bff5e553dacb869c775a3f8b059..3d3dcb47720055f550d17d1f106a2c0e59de2919 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 ee0e27500187d695ac6cfaf5fb5d2e844f230b32..c667baa2da8222eb66344c8f1cc0fed416c4df01 100644
+--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
++++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+@@ -970,7 +970,7 @@ 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);
+ 
+@@ -995,7 +995,7 @@ 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.isCritical()); // 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);
+@@ -1050,7 +1050,7 @@ 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.isCritical()); // Paper - add critical damage API
+             event.setCancelled(cancelled);
+             CraftEventFactory.callEvent(event);
+             if (!event.isCancelled()) {
+@@ -1093,20 +1093,28 @@ 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.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);
+         }