--- a/net/minecraft/world/entity/raid/Raid.java
+++ b/net/minecraft/world/entity/raid/Raid.java
@@ -186,6 +186,12 @@
         return this.status == Raid.Status.LOSS;
     }
 
+    // CraftBukkit start
+    public boolean isInProgress() {
+        return this.status == Status.ONGOING;
+    }
+    // CraftBukkit end
+
     public float getTotalHealth() {
         return this.totalHealth;
     }
@@ -276,6 +282,7 @@
 
                 this.active = worldserver.hasChunkAt(this.center);
                 if (worldserver.getDifficulty() == EnumDifficulty.PEACEFUL) {
+                    org.bukkit.craftbukkit.event.CraftEventFactory.callRaidStopEvent(this, worldserver, org.bukkit.event.raid.RaidStopEvent.Reason.PEACE); // CraftBukkit
                     this.stop();
                     return;
                 }
@@ -295,13 +302,16 @@
                 if (!worldserver.isVillage(this.center)) {
                     if (this.groupsSpawned > 0) {
                         this.status = Raid.Status.LOSS;
+                        org.bukkit.craftbukkit.event.CraftEventFactory.callRaidFinishEvent(this, worldserver, new java.util.ArrayList<>()); // CraftBukkit
                     } else {
+                        org.bukkit.craftbukkit.event.CraftEventFactory.callRaidStopEvent(this, worldserver, org.bukkit.event.raid.RaidStopEvent.Reason.NOT_IN_VILLAGE); // CraftBukkit
                         this.stop();
                     }
                 }
 
                 ++this.ticksActive;
                 if (this.ticksActive >= 48000L) {
+                    org.bukkit.craftbukkit.event.CraftEventFactory.callRaidStopEvent(this, worldserver, org.bukkit.event.raid.RaidStopEvent.Reason.TIMEOUT); // CraftBukkit
                     this.stop();
                     return;
                 }
@@ -370,6 +380,7 @@
                     }
 
                     if (j > 5) {
+                        org.bukkit.craftbukkit.event.CraftEventFactory.callRaidStopEvent(this, worldserver, org.bukkit.event.raid.RaidStopEvent.Reason.UNSPAWNABLE);  // CraftBukkit
                         this.stop();
                         break;
                     }
@@ -381,6 +392,7 @@
                     } else {
                         this.status = Raid.Status.VICTORY;
 
+                        List<org.bukkit.entity.Player> winners = new java.util.ArrayList<>(); // CraftBukkit
                         for (UUID uuid : this.heroesOfTheVillage) {
                             Entity entity = worldserver.getEntity(uuid);
 
@@ -394,10 +406,12 @@
 
                                         entityplayer.awardStat(StatisticList.RAID_WIN);
                                         CriterionTriggers.RAID_WIN.trigger(entityplayer);
+                                        winners.add(entityplayer.getBukkitEntity()); // CraftBukkit
                                     }
                                 }
                             }
                         }
+                        org.bukkit.craftbukkit.event.CraftEventFactory.callRaidFinishEvent(this, worldserver, winners); // CraftBukkit
                     }
                 }
 
@@ -405,6 +419,7 @@
             } else if (this.isOver()) {
                 ++this.celebrationTicks;
                 if (this.celebrationTicks >= 600) {
+                    org.bukkit.craftbukkit.event.CraftEventFactory.callRaidStopEvent(this, worldserver, org.bukkit.event.raid.RaidStopEvent.Reason.FINISHED); // CraftBukkit
                     this.stop();
                     return;
                 }
@@ -526,6 +541,10 @@
         DifficultyDamageScaler difficultydamagescaler = worldserver.getCurrentDifficultyAt(blockposition);
         boolean flag1 = this.shouldSpawnBonusGroup();
 
+        // CraftBukkit start
+        EntityRaider leader = null;
+        List<EntityRaider> raiders = new java.util.ArrayList<>();
+        // CraftBukkit end
         for (Raid.Wave raid_wave : Raid.Wave.VALUES) {
             int j = this.getDefaultNumSpawns(raid_wave, i, flag1) + this.getPotentialBonusSpawns(raid_wave, this.random, i, difficultydamagescaler, flag1);
             int k = 0;
@@ -541,9 +560,11 @@
                     entityraider.setPatrolLeader(true);
                     this.setLeader(i, entityraider);
                     flag = true;
+                    leader = entityraider; // CraftBukkit
                 }
 
                 this.joinRaid(worldserver, i, entityraider, blockposition, false);
+                raiders.add(entityraider); // CraftBukkit
                 if (raid_wave.entityType == EntityTypes.RAVAGER) {
                     EntityRaider entityraider1 = null;
 
@@ -562,6 +583,7 @@
                         this.joinRaid(worldserver, i, entityraider1, blockposition, false);
                         entityraider1.snapTo(blockposition, 0.0F, 0.0F);
                         entityraider1.startRiding(entityraider);
+                        raiders.add(entityraider); // CraftBukkit
                     }
                 }
             }
@@ -571,6 +593,7 @@
         ++this.groupsSpawned;
         this.updateBossbar();
         this.setDirty(worldserver);
+        org.bukkit.craftbukkit.event.CraftEventFactory.callRaidSpawnWaveEvent(this, worldserver, leader, raiders); // CraftBukkit
     }
 
     public void joinRaid(WorldServer worldserver, int i, EntityRaider entityraider, @Nullable BlockPosition blockposition, boolean flag) {
@@ -586,7 +609,7 @@
                 entityraider.finalizeSpawn(worldserver, worldserver.getCurrentDifficultyAt(blockposition), EntitySpawnReason.EVENT, (GroupDataEntity) null);
                 entityraider.applyRaidBuffs(worldserver, i, false);
                 entityraider.setOnGround(true);
-                worldserver.addFreshEntityWithPassengers(entityraider);
+                worldserver.addFreshEntityWithPassengers(entityraider, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.RAID); // CraftBukkit
             }
         }
 
@@ -809,6 +832,12 @@
         this.heroesOfTheVillage.add(entity.getUUID());
     }
 
+    // CraftBukkit start - a method to get all raiders
+    public java.util.Collection<EntityRaider> getRaiders() {
+        return this.groupRaiderMap.values().stream().flatMap(Set::stream).collect(java.util.stream.Collectors.toSet());
+    }
+    // CraftBukkit end
+
     private static enum Status implements INamable {
 
         ONGOING("ongoing"), VICTORY("victory"), LOSS("loss"), STOPPED("stopped");