Fix EntityEquipment and related javadocs (#7380)

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Jake Potrebic 2022-05-31 13:40:21 -07:00 committed by GitHub
parent f210f67c4a
commit 3f7111d4e1
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3 changed files with 271 additions and 14 deletions

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@ -124,16 +124,248 @@ index 1119e26e270bb45f517955b19d95a9ec3d113634..4631647c64c89ffdde2d9b63bdab974a
* @param sz The new size of the slime.
*/
public void setSize(int sz);
diff --git a/src/main/java/org/bukkit/event/player/PlayerMoveEvent.java b/src/main/java/org/bukkit/event/player/PlayerMoveEvent.java
index 1b2267f4e8ebded198773ec80e2bff2c861c7084..1a58734d919fae247eeb85dd785fd59990856505 100644
--- a/src/main/java/org/bukkit/event/player/PlayerMoveEvent.java
+++ b/src/main/java/org/bukkit/event/player/PlayerMoveEvent.java
@@ -78,7 +78,7 @@ public class PlayerMoveEvent extends PlayerEvent implements Cancellable {
diff --git a/src/main/java/org/bukkit/inventory/EntityEquipment.java b/src/main/java/org/bukkit/inventory/EntityEquipment.java
index d5b50a4a954fed35d37f03f1a277cc173ca106df..a91fa5386afd7a1137adb921ad5adb798604772f 100644
--- a/src/main/java/org/bukkit/inventory/EntityEquipment.java
+++ b/src/main/java/org/bukkit/inventory/EntityEquipment.java
@@ -37,9 +37,23 @@ public interface EntityEquipment {
public ItemStack getItem(@NotNull EquipmentSlot slot);
/**
- * Gets a copy of the item the entity is currently holding
+ * Gets the item the entity is currently holding
* in their main hand.
*
* @return Location the player moved to
+ * <p>
+ * This returns a copy if this equipment instance is from a non-player,
+ * or it's an empty stack (has AIR as its type).
+ * For non-empty stacks from players, this returns a live mirror. You can check if this
+ * will return a mirror with
+ * <pre>{@code
+ * EntityEquipment equipment = entity.getEquipment();
+ * if (equipment instanceof PlayerInventory) {
+ * equipment.getItemInMainHand(); // will return a mirror
+ * } else {
+ * equipment.getItemInMainHand(); // will return a copy
+ * }
+ * }</pre>
+ *
* @return the currently held item
*/
@NotNull
@@ -61,9 +75,23 @@ public interface EntityEquipment {
void setItemInMainHand(@Nullable ItemStack item, boolean silent);
/**
- * Gets a copy of the item the entity is currently holding
+ * Gets the item the entity is currently holding
* in their off hand.
*
+ * <p>
+ * This returns a copy if this equipment instance is from a non-player,
+ * or it's an empty stack (has AIR as its type).
+ * For non-empty stacks from players, this returns a live mirror. You can check if this
+ * will return a mirror with
+ * <pre>{@code
+ * EntityEquipment equipment = entity.getEquipment();
+ * if (equipment instanceof PlayerInventory) {
+ * equipment.getItemInOffHand(); // will return a mirror
+ * } else {
+ * equipment.getItemInOffHand(); // will return a copy
+ * }
+ * }</pre>
+ *
* @return the currently held item
*/
@NotNull
@@ -85,7 +113,21 @@ public interface EntityEquipment {
void setItemInOffHand(@Nullable ItemStack item, boolean silent);
/**
- * Gets a copy of the item the entity is currently holding
+ * Gets the item the entity is currently holding
+ *
+ * <p>
+ * This returns a copy if this equipment instance is from a non-player,
+ * or it's an empty stack (has AIR as its type).
+ * For non-empty stacks from players, this returns a live mirror. You can check if this
+ * will return a mirror with
+ * <pre>{@code
+ * EntityEquipment equipment = entity.getEquipment();
+ * if (equipment instanceof PlayerInventory) {
+ * equipment.getItemInHand(); // will return a mirror
+ * } else {
+ * equipment.getItemInHand(); // will return a copy
+ * }
+ * }</pre>
*
* @return the currently held item
* @see #getItemInMainHand()
@@ -110,11 +152,24 @@ public interface EntityEquipment {
void setItemInHand(@Nullable ItemStack stack);
/**
- * Gets a copy of the helmet currently being worn by the entity
+ * Gets the helmet currently being worn by the entity
+ *
+ * <p>
+ * This returns a copy if this equipment instance is from a non-player.
+ * For stacks from players, this returns a live mirror (or null). You can check if this
+ * will return a mirror with
+ * <pre>{@code
+ * EntityEquipment equipment = entity.getEquipment();
+ * if (equipment instanceof PlayerInventory) {
+ * equipment.getItemInHand(); // will return a mirror
+ * } else {
+ * equipment.getItemInHand(); // will return a copy
+ * }
+ * }</pre>
*
* @return The helmet being worn
*/
- @Nullable
+ @NotNull // Paper
public Location getTo() {
return to;
}
+ @org.bukkit.UndefinedNullability("not null for entities, nullable for players") // Paper
ItemStack getHelmet();
/**
@@ -133,11 +188,24 @@ public interface EntityEquipment {
void setHelmet(@Nullable ItemStack helmet, boolean silent);
/**
- * Gets a copy of the chest plate currently being worn by the entity
+ * Gets the chest plate currently being worn by the entity
+ *
+ * <p>
+ * This returns a copy if this equipment instance is from a non-player.
+ * For stacks from players, this returns a live mirror (or null). You can check if this
+ * will return a mirror with
+ * <pre>{@code
+ * EntityEquipment equipment = entity.getEquipment();
+ * if (equipment instanceof PlayerInventory) {
+ * equipment.getChestplate(); // will return a mirror
+ * } else {
+ * equipment.getChestplate(); // will return a copy
+ * }
+ * }</pre>
*
* @return The chest plate being worn
*/
- @Nullable
+ @org.bukkit.UndefinedNullability("not null for entities, nullable for players") // Paper
ItemStack getChestplate();
/**
@@ -156,11 +224,24 @@ public interface EntityEquipment {
void setChestplate(@Nullable ItemStack chestplate, boolean silent);
/**
- * Gets a copy of the leggings currently being worn by the entity
+ * Gets the leggings currently being worn by the entity
+ *
+ * <p>
+ * This returns a copy if this equipment instance is from a non-player.
+ * For stacks from players, this returns a live mirror (or null). You can check if this
+ * will return a mirror with
+ * <pre>{@code
+ * EntityEquipment equipment = entity.getEquipment();
+ * if (equipment instanceof PlayerInventory) {
+ * equipment.getLeggings(); // will return a mirror
+ * } else {
+ * equipment.getLeggings(); // will return a copy
+ * }
+ * }</pre>
*
* @return The leggings being worn
*/
- @Nullable
+ @org.bukkit.UndefinedNullability("not null for entities, nullable for players") // Paper
ItemStack getLeggings();
/**
@@ -179,11 +260,24 @@ public interface EntityEquipment {
void setLeggings(@Nullable ItemStack leggings, boolean silent);
/**
- * Gets a copy of the boots currently being worn by the entity
+ * Gets the boots currently being worn by the entity
+ *
+ * <p>
+ * This returns a copy if this equipment instance is from a non-player.
+ * For stacks from players, this returns a live mirror (or null). You can check if this
+ * will return a mirror with
+ * <pre>{@code
+ * EntityEquipment equipment = entity.getEquipment();
+ * if (equipment instanceof PlayerInventory) {
+ * equipment.getBoots(); // will return a mirror
+ * } else {
+ * equipment.getBoots(); // will return a copy
+ * }
+ * }</pre>
*
* @return The boots being worn
*/
- @Nullable
+ @org.bukkit.UndefinedNullability("not null for entities, nullable for players") // Paper
ItemStack getBoots();
/**
@@ -202,12 +296,25 @@ public interface EntityEquipment {
void setBoots(@Nullable ItemStack boots, boolean silent);
/**
- * Gets a copy of all worn armor
+ * Gets all worn armor
+ *
+ * <p>
+ * This returns a copy if this equipment instance is from a non-player,
+ * or it's an empty stack (has AIR as its type).
+ * For non-empty stacks from players, this returns a live mirror. You can check if this
+ * will return a mirror with
+ * <pre>{@code
+ * EntityEquipment equipment = entity.getEquipment();
+ * if (equipment instanceof PlayerInventory) {
+ * equipment.getArmorContents(); // will return an array of mirror
+ * } else {
+ * equipment.getArmorContents(); // will return an array of copies
+ * }
+ * }</pre>
*
* @return The array of worn armor. Individual items may be null.
*/
- @NotNull
- ItemStack[] getArmorContents();
+ @org.bukkit.UndefinedNullability("not null elements for entities, nullable elements for players") ItemStack @NotNull [] getArmorContents(); // Paper
/**
* Sets the entities armor to the provided array of ItemStacks
diff --git a/src/main/java/org/bukkit/inventory/PlayerInventory.java b/src/main/java/org/bukkit/inventory/PlayerInventory.java
index 62fbd7f6d8195bebcab7f704a0a485a1bbeca26c..5461f7fa75f5a065bb333b4a113640b5fe1e3825 100644
--- a/src/main/java/org/bukkit/inventory/PlayerInventory.java
+++ b/src/main/java/org/bukkit/inventory/PlayerInventory.java
@@ -158,7 +158,7 @@ public interface PlayerInventory extends Inventory {
public void setBoots(@Nullable ItemStack boots);
/**
- * Gets a copy of the item the player is currently holding
+ * Gets the item the player is currently holding
* in their main hand.
*
* @return the currently held item
@@ -174,7 +174,7 @@ public interface PlayerInventory extends Inventory {
void setItemInMainHand(@Nullable ItemStack item);
/**
- * Gets a copy of the item the player is currently holding
+ * Gets the item the player is currently holding
* in their off hand.
*
* @return the currently held item
@@ -190,7 +190,7 @@ public interface PlayerInventory extends Inventory {
void setItemInOffHand(@Nullable ItemStack item);
/**
- * Gets a copy of the item the player is currently holding
+ * Gets the item the player is currently holding
*
* @return the currently held item
* @see #getItemInMainHand()