From 066a74e744af7018543bf3f42b67f0cb209e2815 Mon Sep 17 00:00:00 2001
From: Nothixal <nothixal@gmail.com>
Date: Sat, 23 Nov 2024 21:25:14 +1100
Subject: [PATCH] #1490: Add method to get Advancement requirements

---
 .../advancement/CraftAdvancement.java         |  6 +++++
 .../CraftAdvancementRequirement.java          | 26 +++++++++++++++++++
 .../CraftAdvancementRequirements.java         | 21 +++++++++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancementRequirement.java
 create mode 100644 src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancementRequirements.java

diff --git a/src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancement.java b/src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancement.java
index 472d910a6..55557ffab 100644
--- a/src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancement.java
+++ b/src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancement.java
@@ -5,6 +5,7 @@ import java.util.Collections;
 import net.minecraft.advancements.AdvancementHolder;
 import org.bukkit.NamespacedKey;
 import org.bukkit.advancement.AdvancementDisplay;
+import org.bukkit.advancement.AdvancementRequirements;
 import org.bukkit.craftbukkit.util.CraftNamespacedKey;
 
 public class CraftAdvancement implements org.bukkit.advancement.Advancement {
@@ -29,6 +30,11 @@ public class CraftAdvancement implements org.bukkit.advancement.Advancement {
         return Collections.unmodifiableCollection(handle.value().criteria().keySet());
     }
 
+    @Override
+    public AdvancementRequirements getRequirements() {
+        return new CraftAdvancementRequirements(handle.value().requirements());
+    }
+
     @Override
     public AdvancementDisplay getDisplay() {
         if (handle.value().display().isEmpty()) {
diff --git a/src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancementRequirement.java b/src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancementRequirement.java
new file mode 100644
index 000000000..fd567c06a
--- /dev/null
+++ b/src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancementRequirement.java
@@ -0,0 +1,26 @@
+package org.bukkit.craftbukkit.advancement;
+
+import java.util.Collections;
+import java.util.List;
+import org.bukkit.advancement.AdvancementRequirement;
+import org.jetbrains.annotations.NotNull;
+
+public class CraftAdvancementRequirement implements AdvancementRequirement {
+
+    private final List<String> requirements;
+
+    public CraftAdvancementRequirement(List<String> list) {
+        this.requirements = list;
+    }
+
+    @NotNull
+    @Override
+    public List<String> getRequiredCriteria() {
+        return Collections.unmodifiableList(requirements);
+    }
+
+    @Override
+    public boolean isStrict() {
+        return requirements.size() == 1;
+    }
+}
diff --git a/src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancementRequirements.java b/src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancementRequirements.java
new file mode 100644
index 000000000..6993911bd
--- /dev/null
+++ b/src/main/java/org/bukkit/craftbukkit/advancement/CraftAdvancementRequirements.java
@@ -0,0 +1,21 @@
+package org.bukkit.craftbukkit.advancement;
+
+import java.util.List;
+import net.minecraft.advancements.AdvancementRequirements;
+import org.bukkit.advancement.AdvancementRequirement;
+import org.jetbrains.annotations.NotNull;
+
+public class CraftAdvancementRequirements implements org.bukkit.advancement.AdvancementRequirements {
+
+    private final AdvancementRequirements requirements;
+
+    public CraftAdvancementRequirements(AdvancementRequirements requirements) {
+        this.requirements = requirements;
+    }
+
+    @NotNull
+    @Override
+    public List<AdvancementRequirement> getRequirements() {
+        return requirements.requirements().stream().map((requirement) -> (AdvancementRequirement) new CraftAdvancementRequirement(requirement)).toList();
+    }
+}