From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Wed, 5 Jul 2023 12:48:15 -0500
Subject: [PATCH] Explorer Map API


diff --git a/src/main/java/net/minecraft/world/item/MapItem.java b/src/main/java/net/minecraft/world/item/MapItem.java
index ce461b1a8d7fab87ae28e30205f6fab67f1808b6..608390ed36710a419de1542b80340dd3fcc7299c 100644
--- a/src/main/java/net/minecraft/world/item/MapItem.java
+++ b/src/main/java/net/minecraft/world/item/MapItem.java
@@ -195,6 +195,7 @@ public class MapItem extends ComplexItem {
     public static void renderBiomePreviewMap(ServerLevel world, ItemStack map) {
         MapItemSavedData mapItemSavedData = getSavedData(map, world);
         if (mapItemSavedData != null) {
+            mapItemSavedData.isExplorerMap = true; // Purpur
             if (world.dimension() == mapItemSavedData.dimension) {
                 int i = 1 << mapItemSavedData.scale;
                 int j = mapItemSavedData.centerX;
diff --git a/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java b/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
index a43544704109f21bab230dd9bf0401e28f878582..627d4ee90a2ebc137d7e94d988eba2f212b7f26d 100644
--- a/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
+++ b/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
@@ -79,6 +79,7 @@ public class MapItemSavedData extends SavedData {
     public final Map<String, MapDecoration> decorations = Maps.newLinkedHashMap();
     private final Map<String, MapFrame> frameMarkers = Maps.newHashMap();
     private int trackedDecorationCount;
+    public boolean isExplorerMap; // Purpur
 
     // CraftBukkit start
     public final CraftMapView mapView;
diff --git a/src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java b/src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java
index 0cbbd915631904fe8c6effefb92895422b33eff6..aef19cfbecb4ddfc8dc71c4f3b2a011364c12dc2 100644
--- a/src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java
+++ b/src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java
@@ -47,4 +47,10 @@ public class CraftMapRenderer extends MapRenderer {
         }
     }
 
+    // Purpur - start
+    @Override
+    public boolean isExplorerMap() {
+        return this.worldMap.isExplorerMap;
+    }
+    // Purpur - end
 }