Paper/paper-server/patches/sources/net/minecraft/world/damagesource/CombatTracker.java.patch

--- a/net/minecraft/world/damagesource/CombatTracker.java
+++ b/net/minecraft/world/damagesource/CombatTracker.java
@@ -29,15 +_,24 @@
     private int combatEndTime;
     public boolean inCombat;
     public boolean takingDamage;
+    public final io.papermc.paper.world.damagesource.PaperCombatTrackerWrapper paperCombatTracker; // Paper - Combat tracker API
 
     public CombatTracker(LivingEntity mob) {
         this.mob = mob;
+        this.paperCombatTracker = new io.papermc.paper.world.damagesource.PaperCombatTrackerWrapper(this); // Paper - Combat tracker API
     }
 
     public void recordDamage(DamageSource source, float damage) {
         this.recheckStatus();
         FallLocation currentFallLocation = FallLocation.getCurrentFallLocation(this.mob);
         CombatEntry combatEntry = new CombatEntry(source, damage, currentFallLocation, (float)this.mob.fallDistance);
+    // Paper start - Combat tracker API
+        recordDamageAndCheckCombatState(combatEntry);
+    }
+
+    public void recordDamageAndCheckCombatState(final CombatEntry combatEntry) {
+        final DamageSource source = combatEntry.source();
+    // Paper end - Combat tracker API
         this.entries.add(combatEntry);
         this.lastDamageTime = this.mob.tickCount;
         this.takingDamage = true;
@@ -147,6 +_,13 @@
     public void recheckStatus() {
         int i = this.inCombat ? 300 : 100;
         if (this.takingDamage && (!this.mob.isAlive() || this.mob.tickCount - this.lastDamageTime > i)) {
+    // Paper start - Combat tracker API
+            resetCombatState();
+        }
+    }
+
+    public void resetCombatState() {{
+    // Paper end - Combat tracker API
             boolean flag = this.inCombat;
             this.takingDamage = false;
             this.inCombat = false;