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 8ff50a4c7461bbd9f469d503f6b5ee482d2463d7..5c0a46c11003b6e154195a8ef299416cc73eae33 100644
--- a/src/main/java/net/minecraft/world/item/MapItem.java
+++ b/src/main/java/net/minecraft/world/item/MapItem.java
@@ -194,6 +194,7 @@ public class MapItem extends Item {
     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 ae321b3b8d98e42ef07fd1f0f738c1a2b428f6db..26da9e7c25ef6a89482838010d8ed6bcf8c87511 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
@@ -81,6 +81,7 @@ public class MapItemSavedData extends SavedData {
     private final Map<String, MapFrame> frameMarkers = Maps.newHashMap();
     private int trackedDecorationCount;
     private org.bukkit.craftbukkit.map.RenderData vanillaRender = new org.bukkit.craftbukkit.map.RenderData(); // Paper
+    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 cf0920e5f84b35647882fb963e9972af4e8427e0..e30c851acf49a425cd4fd409a6d5bbb2ff836e0e 100644
--- a/src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java
+++ b/src/main/java/org/bukkit/craftbukkit/map/CraftMapRenderer.java
@@ -49,4 +49,10 @@ public class CraftMapRenderer extends MapRenderer {
         }
     }
 
+    // Purpur - start
+    @Override
+    public boolean isExplorerMap() {
+        return this.worldMap.isExplorerMap;
+    }
+    // Purpur - end
 }