Add ghast api (#7554)

patches/api/0313-Missing-Entity-Behavior-API.patch

@@ -175,6 +175,49 @@ index 498e182846b81d50b3a594254e8b341fb23e8763..3826363a1954afcddaadec7f96ac1830
 +    public boolean isFaceplanted();
 +    // Paper end - Add more fox behavior API
  }
+diff --git a/src/main/java/org/bukkit/entity/Ghast.java b/src/main/java/org/bukkit/entity/Ghast.java
+index 3f5edf76ce303502cf4eeeb76f22f21f568dad5a..5930dc682c5c9273c748595e487b364b818a2fac 100644
+--- a/src/main/java/org/bukkit/entity/Ghast.java
++++ b/src/main/java/org/bukkit/entity/Ghast.java
+@@ -3,4 +3,37 @@ package org.bukkit.entity;
+ /**
+  * Represents a Ghast.
+  */
+-public interface Ghast extends Flying {}
++// Paper start
++public interface Ghast extends Flying {
++
++    /**
++     * Returns whether the ghast is charging an attack.
++     *
++     * @return whether the ghast is charging an attack
++     */
++    boolean isCharging();
++
++    /**
++     * Sets whether the ghast is charging an attack.
++     * This determines whether the client displays the charging animation.
++     *
++     * @param charging whether the ghast is charging an attack
++     */
++    void setCharging(boolean charging);
++
++    /**
++     * Returns the explosion power of shot fireballs.
++     *
++     * @return explosion power of shot fireballs
++     */
++    int getExplosionPower();
++
++    /**
++     * Sets the explosion power of shot fireballs.
++     *
++     * @param explosionPower explosion power of shot fireballs
++     * @throws IllegalArgumentException if the explosion power is less than 0 or greater than 127
++     */
++    void setExplosionPower(int explosionPower);
++    // Paper end
++}
 diff --git a/src/main/java/org/bukkit/entity/Panda.java b/src/main/java/org/bukkit/entity/Panda.java
 index a6a7429ed2e1eefb2b12b7480ed74fcc3963a864..1dcc2c8f4899da029af8b1c1b2ff1b5e368e82c1 100644
 --- a/src/main/java/org/bukkit/entity/Panda.java

patches/server/0683-Missing-Entity-Behavior-API.patch

@@ -35,6 +35,23 @@ index cd278a859c87fc89c421378ffab1bd36a45bd65d..a726006888bbbdb290bcda3ac4fd45d6
      public void setStanding(boolean angry) {
          if (angry) {
              this.setEating(false);
+diff --git a/src/main/java/net/minecraft/world/entity/monster/Ghast.java b/src/main/java/net/minecraft/world/entity/monster/Ghast.java
+index f834e96c48cce6af65a65dafcdeb2cf0ea12763a..77a5f8339df5a46967713b51570735de828f0b49 100644
+--- a/src/main/java/net/minecraft/world/entity/monster/Ghast.java
++++ b/src/main/java/net/minecraft/world/entity/monster/Ghast.java
+@@ -66,6 +66,12 @@ public class Ghast extends FlyingMob implements Enemy {
+         return this.explosionPower;
+     }
+ 
++    // Paper start
++    public void setExplosionPower(int explosionPower) {
++        this.explosionPower = explosionPower;
++    }
++    // Paper end
++
+     @Override
+     protected boolean shouldDespawnInPeaceful() {
+         return true;
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftAbstractHorse.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftAbstractHorse.java
 index 254d4f2e45d7c8f572a4368eccd84560d4d0d836..299ab868252c8f326e3a56e878c9ee230c9635dc 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftAbstractHorse.java
@@ -156,6 +173,38 @@ index b647a5b9fdc1da61c4035d6f2cef7814033dc608..9795341efa748c2d94567e882cd5f26a
 +    }
 +    // Paper end - Add more fox behavior API
  }
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftGhast.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftGhast.java
+index f0f0392a51db75e88df0e68c0db98d6dc1968c20..d0f0f380e9b185668580f31b061bdc08f0573a40 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftGhast.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftGhast.java
+@@ -24,4 +24,27 @@ public class CraftGhast extends CraftFlying implements Ghast {
+     public EntityType getType() {
+         return EntityType.GHAST;
+     }
++
++    // Paper start
++    @Override
++    public boolean isCharging() {
++        return this.getHandle().isCharging();
++    }
++
++    @Override
++    public void setCharging(boolean charging) {
++        this.getHandle().setCharging(charging);
++    }
++
++    @Override
++    public int getExplosionPower() {
++        return this.getHandle().getExplosionPower();
++    }
++
++    @Override
++    public void setExplosionPower(int explosionPower) {
++        com.google.common.base.Preconditions.checkArgument(explosionPower >= 0 && explosionPower <= 127, "The explosion power has to be between 0 and 127");
++        this.getHandle().setExplosionPower(explosionPower);
++    }
++    // Paper end
+ }
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPanda.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPanda.java
 index 2d2620dbb16aec850e8afda02174508a4be5a313..ba4e6deaaa725296be830324d2c6486844a4e886 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPanda.java