Add methods to change entity physics (#10334)

1 files changed, 171 insertions, 0 deletions

diff --git a/patches/api/0283-More-Enchantment-API.patch b/patches/api/0283-More-Enchantment-API.patch
new file mode 100644
index 0000000000..98c3ef060b
--- /dev/null
+++ b/patches/api/0283-More-Enchantment-API.patch
@@ -0,0 +1,171 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <[email protected]>
+Date: Thu, 6 May 2021 19:58:03 -0700
+Subject: [PATCH] More Enchantment API
+
+Co-authored-by: Luis <[email protected]>
+
+diff --git a/src/main/java/io/papermc/paper/enchantments/EnchantmentRarity.java b/src/main/java/io/papermc/paper/enchantments/EnchantmentRarity.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..e6a40c1fcea761bd66743b50e3da3d14797d05b0
+--- /dev/null
++++ b/src/main/java/io/papermc/paper/enchantments/EnchantmentRarity.java
+@@ -0,0 +1,24 @@
++package io.papermc.paper.enchantments;
++
++public enum EnchantmentRarity {
++
++    COMMON(10),
++    UNCOMMON(5),
++    RARE(2),
++    VERY_RARE(1);
++
++    private final int weight;
++
++    EnchantmentRarity(int weight) {
++        this.weight = weight;
++    }
++
++    /**
++     * Gets the weight for the rarity.
++     *
++     * @return the weight
++     */
++    public int getWeight() {
++        return weight;
++    }
++}
+diff --git a/src/main/java/org/bukkit/enchantments/Enchantment.java b/src/main/java/org/bukkit/enchantments/Enchantment.java
+index 4a88198be6634b47fc51e55acc5f6415e4aff1ab..d50d4c3121a966adcc47173ddb4575f7ad504148 100644
+--- a/src/main/java/org/bukkit/enchantments/Enchantment.java
++++ b/src/main/java/org/bukkit/enchantments/Enchantment.java
+@@ -269,11 +269,7 @@ public abstract class Enchantment implements Keyed, net.kyori.adventure.translat
+      * Cursed enchantments are found the same way treasure enchantments are
+      *
+      * @return true if the enchantment is cursed
+-     * @deprecated cursed enchantments are no longer special. Will return true
+-     * only for {@link Enchantment#BINDING_CURSE} and
+-     * {@link Enchantment#VANISHING_CURSE}.
+      */
+-    @Deprecated
+     public abstract boolean isCursed();
+ 
+     /**
+@@ -307,6 +303,70 @@ public abstract class Enchantment implements Keyed, net.kyori.adventure.translat
+      * @return the name of the enchantment with {@code level} applied
+      */
+     public abstract net.kyori.adventure.text.@NotNull Component displayName(int level);
++
++    /**
++     * Checks if this enchantment can be found in villager trades.
++     *
++     * @return true if the enchantment can be found in trades
++     */
++    public abstract boolean isTradeable();
++
++    /**
++     * Checks if this enchantment can be found in an enchanting table
++     * or use to enchant items generated by loot tables.
++     *
++     * @return true if the enchantment can be found in a table or by loot tables
++     */
++    public abstract boolean isDiscoverable();
++
++    /**
++     * Gets the minimum modified cost of this enchantment at a specific level.
++     * <p>
++     * Note this is not the number of experience levels needed, and does not directly translate to the levels shown in an enchanting table.
++     * This value is used in combination with factors such as tool enchantability to determine a final cost.
++     * See <a href="https://minecraft.wiki/w/Enchanting/Levels">https://minecraft.wiki/w/Enchanting/Levels</a> for more information.
++     * </p>
++     * @param level The level of the enchantment
++     * @return The modified cost of this enchantment
++     */
++    public abstract int getMinModifiedCost(int level);
++
++    /**
++     * Gets the maximum modified cost of this enchantment at a specific level.
++     * <p>
++     * Note this is not the number of experience levels needed, and does not directly translate to the levels shown in an enchanting table.
++     * This value is used in combination with factors such as tool enchantability to determine a final cost.
++     * See <a href="https://minecraft.wiki/w/Enchanting/Levels">https://minecraft.wiki/w/Enchanting/Levels</a> for more information.
++     * </p>
++     * @param level The level of the enchantment
++     * @return The modified cost of this enchantment
++     */
++    public abstract int getMaxModifiedCost(int level);
++
++    /**
++     * Gets the rarity of this enchantment.
++     *
++     * @return the rarity
++     */
++    @NotNull
++    public abstract io.papermc.paper.enchantments.EnchantmentRarity getRarity();
++
++    /**
++     * Gets the damage increase as a result of the level and entity category specified
++     *
++     * @param level the level of enchantment
++     * @param entityCategory the category of entity
++     * @return the damage increase
++     */
++    public abstract float getDamageIncrease(int level, @NotNull org.bukkit.entity.EntityCategory entityCategory);
++
++    /**
++     * Gets the equipment slots where this enchantment is considered "active".
++     *
++     * @return the equipment slots
++     */
++    @NotNull
++    public abstract java.util.Set<org.bukkit.inventory.EquipmentSlot> getActiveSlots();
+     // Paper end
+ 
+     /**
+diff --git a/src/main/java/org/bukkit/enchantments/EnchantmentWrapper.java b/src/main/java/org/bukkit/enchantments/EnchantmentWrapper.java
+index ac0371285370594d4de1554871b19bbcd2311730..da5d153a3e55a38b767359564001ad8663f9730b 100644
+--- a/src/main/java/org/bukkit/enchantments/EnchantmentWrapper.java
++++ b/src/main/java/org/bukkit/enchantments/EnchantmentWrapper.java
+@@ -31,5 +31,42 @@ public abstract class EnchantmentWrapper extends Enchantment {
+     public @NotNull String translationKey() {
+         return getEnchantment().translationKey();
+     }
++
++    @Override
++    public boolean isTradeable() {
++        return getEnchantment().isTradeable();
++    }
++
++    @Override
++    public boolean isDiscoverable() {
++        return getEnchantment().isDiscoverable();
++    }
++
++    @Override
++    public int getMinModifiedCost(int level) {
++        return getEnchantment().getMinModifiedCost(level);
++    }
++
++    @Override
++    public int getMaxModifiedCost(int level) {
++        return getEnchantment().getMaxModifiedCost(level);
++    }
++
++    @NotNull
++    @Override
++    public io.papermc.paper.enchantments.EnchantmentRarity getRarity() {
++        return getEnchantment().getRarity();
++    }
++
++    @Override
++    public float getDamageIncrease(int level, @NotNull org.bukkit.entity.EntityCategory entityCategory) {
++        return getEnchantment().getDamageIncrease(level, entityCategory);
++    }
++
++    @NotNull
++    @Override
++    public java.util.Set<org.bukkit.inventory.EquipmentSlot> getActiveSlots() {
++        return getEnchantment().getActiveSlots();
++    }
+     // Paper end
+ }