From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Fri, 18 Mar 2022 21:15:55 -0700
Subject: [PATCH] Add EntityDyeEvent and CollarColorable interface


diff --git a/src/main/java/net/minecraft/world/entity/animal/Cat.java b/src/main/java/net/minecraft/world/entity/animal/Cat.java
index a744cb70ac719eae376fb2ab2271e4f8ac7b12f2..40af8405c6f3ecc5a8168bb62607eb79862cefa6 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Cat.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Cat.java
@@ -402,6 +402,13 @@ public class Cat extends TamableAnimal implements VariantHolder<CatVariant> {
                     DyeColor enumcolor = ((DyeItem) item).getDyeColor();
 
                     if (enumcolor != this.getCollarColor()) {
+                        // Paper start
+                        final io.papermc.paper.event.entity.EntityDyeEvent event = new io.papermc.paper.event.entity.EntityDyeEvent(this.getBukkitEntity(), org.bukkit.DyeColor.getByWoolData((byte) enumcolor.getId()), ((net.minecraft.server.level.ServerPlayer) player).getBukkitEntity());
+                        if (!event.callEvent()) {
+                            return InteractionResult.FAIL;
+                        }
+                        enumcolor = DyeColor.byId(event.getColor().getWoolData());
+                        // Paper end
                         this.setCollarColor(enumcolor);
                         if (!player.getAbilities().instabuild) {
                             itemstack.shrink(1);
diff --git a/src/main/java/net/minecraft/world/entity/animal/Wolf.java b/src/main/java/net/minecraft/world/entity/animal/Wolf.java
index 9ebb994b62b58352525da21385f02803e8414687..eecb7511582e5e316b71fa4a4734881424be5ca7 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Wolf.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Wolf.java
@@ -369,6 +369,14 @@ public class Wolf extends TamableAnimal implements NeutralMob {
                         DyeColor enumcolor = itemdye.getDyeColor();
 
                         if (enumcolor != this.getCollarColor()) {
+                            // Paper start
+                            final io.papermc.paper.event.entity.EntityDyeEvent event = new io.papermc.paper.event.entity.EntityDyeEvent(this.getBukkitEntity(), org.bukkit.DyeColor.getByWoolData((byte) enumcolor.getId()), ((net.minecraft.server.level.ServerPlayer) player).getBukkitEntity());
+                            if (!event.callEvent()) {
+                                return InteractionResult.FAIL;
+                            }
+                            enumcolor = DyeColor.byId(event.getColor().getWoolData());
+                            // Paper end
+
                             this.setCollarColor(enumcolor);
                             if (!player.getAbilities().instabuild) {
                                 itemstack.shrink(1);