From afac0359f02085127ab36121d871e8685a39de85 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sat, 1 Feb 2020 22:22:07 -0600
Subject: [PATCH] Add moon phase API

---
 src/main/java/net/pl3x/purpur/MoonPhase.java | 36 ++++++++++++++++++++
 src/main/java/org/bukkit/World.java          |  8 +++++
 2 files changed, 44 insertions(+)
 create mode 100644 src/main/java/net/pl3x/purpur/MoonPhase.java

diff --git a/src/main/java/net/pl3x/purpur/MoonPhase.java b/src/main/java/net/pl3x/purpur/MoonPhase.java
new file mode 100644
index 000000000..f5ad98c62
--- /dev/null
+++ b/src/main/java/net/pl3x/purpur/MoonPhase.java
@@ -0,0 +1,36 @@
+package net.pl3x.purpur;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public enum MoonPhase {
+    FULL_MOON(0L),
+    WANING_GIBBOUS(1L),
+    LAST_QUARTER(2L),
+    WANING_CRESCENT(3L),
+    NEW_MOON(4L),
+    WAXING_CRESCENT(5L),
+    FIRST_QUARTER(6L),
+    WAXING_GIBBOUS(7L);
+
+    private final long day;
+
+    MoonPhase(long day) {
+        this.day = day;
+    }
+
+    private static final Map<Long, MoonPhase> BY_DAY = new HashMap<>();
+
+    static {
+        for (MoonPhase phase : values()) {
+            BY_DAY.put(phase.day, phase);
+        }
+    }
+
+    @NotNull
+    public static MoonPhase getPhase(long day) {
+        return BY_DAY.get(day % 8L);
+    }
+}
diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
index 5a28b8bed..887598ff7 100644
--- a/src/main/java/org/bukkit/World.java
+++ b/src/main/java/org/bukkit/World.java
@@ -3096,6 +3096,14 @@ public interface World extends PluginMessageRecipient, Metadatable {
      */
     @NotNull
     BlockData getPlacementBlockData(@NotNull BlockData blockData, @NotNull Location location);
+
+    /**
+     * Get the moon phase of the world at the current time
+     *
+     * @return Current moon phase
+     */
+    @NotNull
+    net.pl3x.purpur.MoonPhase getMoonPhase();
     // Purpur end
 
     /**
-- 
2.24.0