Paper/patches/api/0312-Missing-Entity-Behavior-API.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Fri, 28 May 2021 21:06:59 -0400
Subject: [PATCH] Missing Entity Behavior API

Co-authored-by: Nassim Jahnke <jahnke.nassim@gmail.com>
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>

diff --git a/src/main/java/org/bukkit/entity/AbstractHorse.java b/src/main/java/org/bukkit/entity/AbstractHorse.java
index 0d88dce9978243a1f995c5fb448c5d71b01136eb..cad47139de57642fb3bb483e7a5acaa7fea78cb4 100644
--- a/src/main/java/org/bukkit/entity/AbstractHorse.java
+++ b/src/main/java/org/bukkit/entity/AbstractHorse.java
@@ -119,4 +119,58 @@ public interface AbstractHorse extends Vehicle, InventoryHolder, Tameable {
     @NotNull
     @Override
     public AbstractHorseInventory getInventory();
+
+    // Paper start - Horse API
+    /**
+     * Gets if a horse is in their eating grass animation.
+     *
+     * @return eating grass animation is active
+     * @deprecated use {@link #isEatingHaystack()}
+     */
+    @Deprecated
+    public boolean isEatingGrass();
+
+    /**
+     * Sets if a horse is in their eating grass animation.
+     *
+     * <p>When true, the horse will lower its neck.</p>
+     *
+     * @param eating eating grass animation is active
+     * @deprecated use {@link #setEatingHaystack(boolean)}
+     */
+    @Deprecated
+    public void setEatingGrass(boolean eating);
+
+    /**
+     * Gets if a horse is in their rearing animation.
+     *
+     * @return rearing animation is active
+     */
+    public boolean isRearing();
+
+    /**
+     * Sets if a horse is in their rearing animation.
+     *
+     * <p>When true, the horse will stand on its hind legs.</p>
+     *
+     * @param rearing rearing animation is active
+     */
+    public void setRearing(boolean rearing);
+
+    /**
+     * Gets if a horse is in their eating animation.
+     *
+     * @return eating animation is active
+     */
+    public boolean isEating();
+
+    /**
+     * Sets if a horse is in their eating animation.
+     *
+     * <p>When true, the horse will bob its head.</p>
+     *
+     * @param eating eating animation is active
+     */
+    public void setEating(boolean eating);
+    // Paper end - Horse API
 }
diff --git a/src/main/java/org/bukkit/entity/Bee.java b/src/main/java/org/bukkit/entity/Bee.java
index adb20a9abba33c32d553f620fa82b27dff64ab5f..ca6baec5ce00b4d169ab4ff416f616db32615010 100644
--- a/src/main/java/org/bukkit/entity/Bee.java
+++ b/src/main/java/org/bukkit/entity/Bee.java
@@ -93,4 +93,28 @@ public interface Bee extends Animals {
      * @param ticks Ticks the bee cannot enter a hive for
      */
     void setCannotEnterHiveTicks(int ticks);
+
+    // Paper start
+    /**
+     * Sets the override for if the bee is currently rolling.
+     *
+     * @param rolling is rolling, or unset for vanilla behavior
+     */
+    void setRollingOverride(@org.jetbrains.annotations.NotNull net.kyori.adventure.util.TriState rolling);
+
+    /**
+     * Gets the plugin set override for if the bee is currently rolling.
+     *
+     * @return plugin set rolling override
+     */
+    @org.jetbrains.annotations.NotNull
+    net.kyori.adventure.util.TriState getRollingOverride();
+
+    /**
+     * Gets if the bee is currently rolling.
+     *
+     * @return is rolling
+     */
+    boolean isRolling();
+    // Paper end
 }
diff --git a/src/main/java/org/bukkit/entity/Cat.java b/src/main/java/org/bukkit/entity/Cat.java
index c2a566b864c82ffb094b7334d9e6e25a1bfc87d1..c340fecb61bac66baf0f44189d21bc85289b1269 100644
--- a/src/main/java/org/bukkit/entity/Cat.java
+++ b/src/main/java/org/bukkit/entity/Cat.java
@@ -54,4 +54,36 @@ public interface Cat extends Tameable, Sittable {
         JELLIE,
         ALL_BLACK;
     }
+
+    // Paper Start - More cat api
+    /**
+     * Sets if the cat is lying down.
+     * This is visual and does not affect the behaviour of the cat.
+     *
+     * @param lyingDown whether the cat should lie down
+     */
+    public void setLyingDown(boolean lyingDown);
+
+    /**
+     * Gets if the cat is lying down.
+     *
+     * @return whether the cat is lying down
+     */
+    public boolean isLyingDown();
+
+    /**
+     * Sets if the cat has its head up.
+     * This is visual and does not affect the behaviour of the cat.
+     *
+     * @param headUp head is up
+     */
+    public void setHeadUp(boolean headUp);
+
+    /**
+     * Gets if the cat has its head up.
+     *
+     * @return head is up
+     */
+    public boolean isHeadUp();
+    // Paper End - More cat api
 }
diff --git a/src/main/java/org/bukkit/entity/Enderman.java b/src/main/java/org/bukkit/entity/Enderman.java
index 94f3a8c4bf8cf14263d34d866db66728e98dfdb0..7937a0e082199554d3e8db1f9811be29abc9b3fd 100644
--- a/src/main/java/org/bukkit/entity/Enderman.java
+++ b/src/main/java/org/bukkit/entity/Enderman.java
@@ -54,4 +54,36 @@ public interface Enderman extends Monster {
      * @param blockData data to set the carried block to, or null to remove
      */
     public void setCarriedBlock(@Nullable BlockData blockData);
+
+    // Paper start
+    /**
+     * Returns whether the enderman is screaming/angry.
+     *
+     * @return whether the enderman is screaming
+     */
+    boolean isScreaming();
+
+    /**
+     * Sets whether the enderman is screaming/angry.
+     *
+     * @param screaming whether the enderman is screaming
+     */
+    void setScreaming(boolean screaming);
+
+    /**
+     * Returns whether the enderman has been stared at.
+     * If set to true, players will hear an ambient sound.
+     *
+     * @return whether the enderman has been stared at
+     */
+    boolean hasBeenStaredAt();
+
+    /**
+     * Sets whether the enderman has been stared at.
+     * If set to true, players will hear an ambient sound.
+     *
+     * @param hasBeenStaredAt whether the enderman has been stared at
+     */
+    void setHasBeenStaredAt(boolean hasBeenStaredAt);
+    // Paper end
 }
diff --git a/src/main/java/org/bukkit/entity/Fox.java b/src/main/java/org/bukkit/entity/Fox.java
index 498e182846b81d50b3a594254e8b341fb23e8763..3826363a1954afcddaadec7f96ac18300f8e89e9 100644
--- a/src/main/java/org/bukkit/entity/Fox.java
+++ b/src/main/java/org/bukkit/entity/Fox.java
@@ -85,4 +85,62 @@ public interface Fox extends Animals, Sittable {
         RED,
         SNOW;
     }
+
+    // Paper start - Add more fox behavior API
+    /**
+     * Sets if the fox is interested.
+     *
+     * @param interested is interested
+     */
+    public void setInterested(boolean interested);
+
+    /**
+     * Gets if the fox is interested.
+     *
+     * @return fox is interested
+     */
+    public boolean isInterested();
+
+    /**
+     * Sets if the fox is leaping.
+     *
+     * @param leaping is leaping
+     */
+    public void setLeaping(boolean leaping);
+
+    /**
+     * Gets if the fox is leaping.
+     *
+     * @return fox is leaping
+     */
+    public boolean isLeaping();
+
+    /**
+     * Sets if the fox is defending.
+     *
+     * @param defending is defending
+     */
+    public void setDefending(boolean defending);
+
+    /**
+     * Gets if the fox is defending.
+     *
+     * @return fox is defending
+     */
+    public boolean isDefending();
+
+    /**
+     * Sets if the fox face planted.
+     *
+     * @param faceplanted face planted
+     */
+    public void setFaceplanted(boolean faceplanted);
+
+    /**
+     * Gets if the fox face planted.
+     *
+     * @return fox face planted
+     */
+    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
+++ b/src/main/java/org/bukkit/entity/Panda.java
@@ -5,7 +5,7 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Panda entity.
  */
-public interface Panda extends Animals {
+public interface Panda extends Animals, Sittable { // Paper
 
     /**
      * Gets this Panda's main gene.
@@ -63,4 +63,125 @@ public interface Panda extends Animals {
             return recessive;
         }
     }
+
+    // Paper start - Panda API
+    /**
+     * Sets the sneeze progress in this animation.
+     * This value counts up only if {@link Panda#isSneezing()} is true
+     *
+     * @param ticks sneeze progress
+     */
+    void setSneezeTicks(int ticks);
+
+    /**
+     * Gets the current sneeze progress, or how many ticks this panda will sneeze for.
+     *
+     * @return sneeze progress
+     */
+    int getSneezeTicks();
+
+    /**
+     * Sets if the panda is sneezing, which causes the sneeze counter to count.
+     * <p>
+     * When false, this will automatically set the sneeze ticks to 0.
+     *
+     * @param sneeze if the panda is sneezing or not
+     */
+    void setSneezing(boolean sneeze);
+
+    /**
+     * Gets if the panda is sneezing
+     *
+     * @return is sneezing
+     */
+    boolean isSneezing();
+
+    /**
+     * Sets the eating ticks for this panda.
+     * <p>
+     *
+     * This starts counting up as long as it is greater than 0.
+     *
+     * @param ticks eating ticks
+     */
+    void setEatingTicks(int ticks);
+
+    /**
+     * Gets the current eating progress, or how many ticks this panda has been eating for.
+     *
+     * @return eating progress
+     */
+    int getEatingTicks();
+
+    /**
+     * Sets the number of ticks this panda will be unhappy for.
+     * <p>
+     * This value counts down.
+     *
+     * @param ticks unhappy ticks
+     */
+    void setUnhappyTicks(int ticks);
+
+    /**
+     * Gets how many ticks this panda will be unhappy for.
+     *
+     * @return unhappy ticks
+     */
+    int getUnhappyTicks();
+
+    /**
+     * Sets if this panda is currently rolling.
+     *
+     * @param rolling should roll
+     */
+    void setRolling(boolean rolling);
+
+    /**
+     * Gets if this panda is currently rolling on the ground.
+     *
+     * @return is rolling
+     */
+    boolean isRolling();
+
+    /**
+     * Sets if this panda is currently on its back.
+     *
+     * @param onBack is on its back
+     */
+    void setIsOnBack(boolean onBack);
+
+    /**
+     * Gets if this panda is currently on its back.
+     *
+     * @return is on back
+     */
+    boolean isOnBack();
+
+    /**
+     * Sets if this panda is currently sitting.
+     *
+     * @param sitting is currently sitting
+     * @deprecated use {@link #setSitting(boolean)}
+     */
+    @Deprecated(forRemoval = true)
+    default void setIsSitting(boolean sitting) {
+        this.setSitting(sitting);
+    }
+
+    /**
+     * Sets if this panda is currently sitting.
+     *
+     * @param sitting is currently sitting
+     */
+    @Override
+    void setSitting(boolean sitting);
+
+    /**
+     * Gets if this panda is sitting.
+     *
+     * @return is sitting
+     */
+    @Override
+    boolean isSitting();
+    // Paper end - Panda API
 }
diff --git a/src/main/java/org/bukkit/entity/Piglin.java b/src/main/java/org/bukkit/entity/Piglin.java
index 6fdc0e0bb62189dbf3cf9ce7a87b7fbb995956a3..d4cb4b0ed1d9766a87867dcf1a3a839526ba9332 100644
--- a/src/main/java/org/bukkit/entity/Piglin.java
+++ b/src/main/java/org/bukkit/entity/Piglin.java
@@ -90,4 +90,25 @@ public interface Piglin extends PiglinAbstract, InventoryHolder, com.destroystok
      */
     @NotNull
     public Set<Material> getBarterList();
+
+    // Paper start
+    /**
+     * Causes the piglin to appear as if they are charging
+     * a crossbow.
+     * <p>
+     * This works with any item currently held in the piglin's hand.
+     *
+     * @param chargingCrossbow is charging
+     */
+    void setChargingCrossbow(boolean chargingCrossbow);
+
+    /**
+     * Gets if the piglin is currently charging the
+     * item in their hand.
+     *
+     * @return is charging
+     */
+    boolean isChargingCrossbow();
+    // Paper end
+
 }
diff --git a/src/main/java/org/bukkit/entity/PolarBear.java b/src/main/java/org/bukkit/entity/PolarBear.java
index 479f7a7c54c85cb685f56e60906650d1989c03ff..60267ee382de80fab86b440ff72a2455f427d148 100644
--- a/src/main/java/org/bukkit/entity/PolarBear.java
+++ b/src/main/java/org/bukkit/entity/PolarBear.java
@@ -3,4 +3,21 @@ package org.bukkit.entity;
 /**
  * Represents a polar bear.
  */
-public interface PolarBear extends Animals {}
+// Paper start
+public interface PolarBear extends Animals {
+
+    /**
+     * Returns whether the polar bear is standing.
+     *
+     * @return whether the polar bear is standing
+     */
+    boolean isStanding();
+
+    /**
+     * Sets whether the polar bear is standing.
+     *
+     * @param standing whether the polar bear should be standing
+     */
+    void setStanding(boolean standing);
+}
+// Paper end
diff --git a/src/main/java/org/bukkit/entity/Raider.java b/src/main/java/org/bukkit/entity/Raider.java
index 9a99b8ca1ec9c3c88b29275c88b1221e1b22bcef..756b4a7794ea0905abd4e4fe777f69ffe36658f5 100644
--- a/src/main/java/org/bukkit/entity/Raider.java
+++ b/src/main/java/org/bukkit/entity/Raider.java
@@ -47,4 +47,20 @@ public interface Raider extends Monster {
      * @param join CanJoinRaid status
      */
     void setCanJoinRaid(boolean join);
+
+    // Paper start
+    /**
+     * Returns whether the raider is celebrating a raid victory.
+     *
+     * @return whether the raider is celebrating a raid victory
+     */
+    boolean isCelebrating();
+
+    /**
+     * Sets whether the raider is celebrating a raid victory.
+     *
+     * @param celebrating whether the raider is celebrating a raid victory
+     */
+    void setCelebrating(boolean celebrating);
+    // Paper end
 }
diff --git a/src/main/java/org/bukkit/entity/Trident.java b/src/main/java/org/bukkit/entity/Trident.java
index 28cdb3b544572ba7aeb9061e3163e3895ac7d4e6..c8015ff610e3c1222cb368ea1d8a0c2f3785d9c7 100644
--- a/src/main/java/org/bukkit/entity/Trident.java
+++ b/src/main/java/org/bukkit/entity/Trident.java
@@ -3,4 +3,40 @@ package org.bukkit.entity;
 /**
  * Represents a thrown trident.
  */
-public interface Trident extends AbstractArrow, ThrowableProjectile { }
+// Paper start
+public interface Trident extends AbstractArrow, ThrowableProjectile {
+
+    /**
+     * Returns whether the trident has an enchanted glow.
+     * This can be separate from the underlying item having any enchantments.
+     *
+     * @return whether the trident has an enchanted glow
+     */
+    boolean hasGlint();
+
+    /**
+     * Sets whether the trident has an enchanted glow.
+     * This is separate from the underlying item having any enchantments.
+     *
+     * @param glint whether the trident should have an enchanted glow
+     */
+    void setGlint(boolean glint);
+
+    /**
+     * Returns the loyalty level of the trident.
+     * This can be separate from the underlying item's enchantments.
+     *
+     * @return loyalty level of the trident
+     */
+    int getLoyaltyLevel();
+
+    /**
+     * Sets the loyalty level of the trident.
+     * This is separate from the underlying item's enchantments.
+     *
+     * @param loyaltyLevel loyalty level
+     * @throws IllegalArgumentException if the loyalty level is lower than 0 or greater than 127
+     */
+    void setLoyaltyLevel(int loyaltyLevel);
+}
+// Paper end
diff --git a/src/main/java/org/bukkit/entity/Vex.java b/src/main/java/org/bukkit/entity/Vex.java
index 627e3c1a96ae3331f5aa2dd7803dd2a31c7204be..3c447d2300c866ae605eeca97bd869f400d6be6f 100644
--- a/src/main/java/org/bukkit/entity/Vex.java
+++ b/src/main/java/org/bukkit/entity/Vex.java
@@ -57,21 +57,30 @@ public interface Vex extends Monster {
      * Gets the remaining lifespan of this entity.
      *
      * @return life in ticks
+     * @deprecated This API duplicates existing API which uses the more
+     * preferable name due to mirroring internals better
      */
+    @Deprecated
     int getLifeTicks();
 
     /**
      * Sets the remaining lifespan of this entity.
      *
      * @param lifeTicks life in ticks, or negative for unlimited lifepan
+     * @deprecated This API duplicates existing API which uses the more
+     * preferable name due to mirroring internals better
      */
+    @Deprecated
     void setLifeTicks(int lifeTicks);
 
     /**
      * Gets if the entity has a limited life.
      *
      * @return true if the entity has limited life
+     * @deprecated This API duplicates existing API which uses the more
+     * preferable name due to mirroring internals better
      */
+    @Deprecated
     boolean hasLimitedLife();
     // Paper start
 
@@ -89,5 +98,37 @@ public interface Vex extends Monster {
      * @param summoner New summoner
      */
     void setSummoner(@Nullable Mob summoner);
+
+    /**
+     * Gets if this vex should start to take damage
+     * once {@link Vex#getLimitedLifetimeTicks()} is less than or equal to 0.
+     * 
+     * @return will take damage
+     */
+    boolean hasLimitedLifetime();
+
+    /**
+     * Sets if this vex should start to take damage
+     * once {@link Vex#getLimitedLifetimeTicks()} is less than or equal to 0.
+     *      
+     * @param hasLimitedLifetime should take damage
+     */
+    void setLimitedLifetime(boolean hasLimitedLifetime);
+
+    /**
+     * Gets the number of ticks remaining until the vex will start
+     * to take damage.
+     * 
+     * @return ticks until the vex will start to take damage
+     */
+    int getLimitedLifetimeTicks();
+
+    /**
+     * Sets the number of ticks remaining until the vex takes damage.
+     * This number is ticked down only if {@link Vex#hasLimitedLifetime()} is true.
+     * 
+     * @param ticks ticks remaining
+     */
+    void setLimitedLifetimeTicks(int ticks);
     // Paper end
 }
diff --git a/src/main/java/org/bukkit/entity/Wither.java b/src/main/java/org/bukkit/entity/Wither.java
index b86f0196e6eb8070830f63a94f732522c2a6c2f1..a1b42ae35dda2da90ba00a2d6666514f7c5b11dd 100644
--- a/src/main/java/org/bukkit/entity/Wither.java
+++ b/src/main/java/org/bukkit/entity/Wither.java
@@ -48,4 +48,35 @@ public interface Wither extends Monster, Boss, com.destroystokyo.paper.entity.Ra
         LEFT,
         RIGHT
     }
+
+    // Paper start
+    /**
+     * @return whether the wither is charged
+     */
+    boolean isCharged();
+
+    /**
+     * @return ticks the wither is invulnerable for
+     */
+    int getInvulnerableTicks();
+
+    /**
+     * Sets for how long in the future, the wither should be invulnerable.
+     *
+     * @param ticks ticks the wither is invulnerable for
+     */
+    void setInvulnerableTicks(int ticks);
+
+    /**
+     * @return whether the wither can travel through portals
+     */
+    boolean canTravelThroughPortals();
+
+    /**
+     * Sets whether the wither can travel through portals.
+     *
+     * @param value whether the wither can travel through portals
+     */
+    void setCanTravelThroughPortals(boolean value);
+    // Paper end
 }
diff --git a/src/main/java/org/bukkit/entity/Wolf.java b/src/main/java/org/bukkit/entity/Wolf.java
index 0e5decadf31140d6cb121c298f935ccc12c7a7e7..490395f38c4d9977d30a6f48585a4ea0e7faff0f 100644
--- a/src/main/java/org/bukkit/entity/Wolf.java
+++ b/src/main/java/org/bukkit/entity/Wolf.java
@@ -39,4 +39,22 @@ public interface Wolf extends Tameable, Sittable {
      * @param color the color to apply
      */
     public void setCollarColor(@NotNull DyeColor color);
+
+    // Paper start
+    /**
+     * Sets if the wolf is interested.
+     * <p>
+     * This causes the wolf to tilt its head to the side.
+     *
+     * @param interested is interested
+     */
+    void setInterested(boolean interested);
+
+    /**
+     * Gets if the wolf is interested.
+     *
+     * @return is interested
+     */
+    boolean isInterested();
+    // Paper end
 }