.github/workflows/maven.yml

@@ -10,10 +10,10 @@ jobs:
     steps:
       - uses: actions/checkout@v1
 
-      - name: Set up JDK 11
+      - name: Set up JDK 21
         uses: actions/setup-java@v1
         with:
-          java-version: 11
+          java-version: 21
 
       - name: Build with Maven
         run: mvn -B package --file pom.xml

.idea/misc.xml

@@ -30,7 +30,7 @@
       </set>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="temurin-21" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="temurin-21" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

src/main/java/tech/sbdevelopment/mapreflectionapi/MapReflectionAPI.java

@@ -69,7 +69,7 @@ public class MapReflectionAPI extends JavaPlugin {
         getLogger().info("Made by © Copyright SBDevelopment 2023");
 
         if (!supports(12)) {
-            getLogger().severe("MapReflectionAPI only supports Minecraft 1.12 - 1.19.4!");
+            getLogger().severe("MapReflectionAPI only supports Minecraft 1.12 - 1.20.5!");
             Bukkit.getPluginManager().disablePlugin(this);
             return;
         }

src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapSender.java

@@ -112,7 +112,25 @@ public class MapSender {
         }
 
         Object packet;
-        if (supports(17)) { //1.17+
+        if (supports(20, 4)) { //1.20.5+
+            Object updateData = ReflectionUtil.callConstructor(worldMapData,
+                    content.minX, //X pos
+                    content.minY, //Y pos
+                    content.maxX, //X size (2nd X pos)
+                    content.maxY, //Y size (2nd Y pos)
+                    content.array //Data
+            );
+
+            Object mapId = ReflectionUtil.callConstructor(getNMSClass("world.level.saveddata.maps", "MapId"), id);
+
+            packet = ReflectionUtil.callConstructor(packetPlayOutMapClass,
+                    mapId, //ID
+                    (byte) 0, //Scale, 0 = 1 block per pixel
+                    false, //Show icons
+                    new ReflectionUtil.CollectionParam<>(), //Icons
+                    updateData
+            );
+        } else if (supports(17)) { //1.17+
             Object updateData = ReflectionUtil.callConstructor(worldMapData,
                     content.minX, //X pos
                     content.minY, //Y pos

src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapWrapper.java

@@ -170,8 +170,8 @@ public class MapWrapper extends AbstractMapWrapper {
                 //1.21 = cc
                 inventoryMenuName = "cc";
             } else if (supports(20)) {
-                //>= 1.20.2 = bR, 1.20(.1) = bQ
-                inventoryMenuName = supports(20, 2) ? "bR" : "bQ";
+                //1.20.5 = cb, 1.20.2 - 1.20.4 = bR, 1.20(.1) = bQ
+                inventoryMenuName = supports(20, 4) ? "cb" : supports(20, 2) ? "bR" : "bQ";
             } else if (supports(19)) {
                 //1.19.4 = bO, >= 1.19.3 = bT
                 inventoryMenuName = supports(19, 3) ? "bO" : "bT";
@@ -291,14 +291,12 @@ public class MapWrapper extends AbstractMapWrapper {
 
             Object nmsStack = ReflectionUtil.callMethod(craftStackClass, "asNMSCopy", stack);
 
-            if (supports(21)) { //1.21 method
-                Object minecraftKey = ReflectionUtil.callDeclaredMethod(minecraftKeyClass, "a", "minecraft:map_id");
-                Object dataComponentTypeRegistery = ReflectionUtil.getDeclaredField(builtInRegistriesClass, "aq");
-                Object dataComponentType = ReflectionUtil.callMethod(dataComponentTypeRegistery, "a", minecraftKey);
-
-                Object dataComponentMap = ReflectionUtil.callMethod(nmsStack, "a");
-                ReflectionUtil.callMethod(dataComponentMap, "a", dataComponentType, mapId);
-            } else if (supports(13)) { //1.13 - 1.20 method
+            //1.20.5 uses new NBT compound system
+            if (supports(20, 4)) {
+                Object mapIdComponent = ReflectionUtil.getDeclaredField(getNMSClass("core.component", "DataComponents"), "B");
+                Object mapId1 = ReflectionUtil.callConstructor(getNMSClass("world.level.saveddata.maps", "MapId"), mapId);
+                ReflectionUtil.callMethod(nmsStack, "b", mapIdComponent, mapId1);
+            } else if (supports(13)) {
                 String nbtObjectName;
                 if (supports(20)) { //1.20
                     nbtObjectName = "w";
@@ -342,7 +340,7 @@ public class MapWrapper extends AbstractMapWrapper {
 
             Object packet;
             if (supports(19, 3)) { //1.19.3
-                Class<?> dataWatcherRecordClass = getNMSClass("network.syncher", "DataWatcher$" + (supports(21) ? "c" : "b"));
+                Class<?> dataWatcherRecordClass = getNMSClass("network.syncher", "DataWatcher$" + (supports(20, 4) ? "c" : "b"));
                 // Sadly not possible to use ReflectionUtil (in its current state), because of the Object parameter
                 Object dataWatcherItem;
                 try {

src/main/java/tech/sbdevelopment/mapreflectionapi/listeners/PacketListener.java

@@ -140,8 +140,8 @@ public class PacketListener implements Listener {
                 } else if (packet.getClass().isAssignableFrom(packetPlayInSetCreativeSlotClass)) {
                     Object packetPlayInSetCreativeSlot = packetPlayInSetCreativeSlotClass.cast(packet);
 
-                    int slot = (int) ReflectionUtil.callDeclaredMethod(packetPlayInSetCreativeSlot, supports(21) ? "b" : supports(19, 4) ? "a" : supports(13) ? "b" : "a"); //1.21 = b, 1.19.4 = a, 1.19.3 - 1.13 = b, 1.12 = a
-                    Object nmsStack = ReflectionUtil.callDeclaredMethod(packetPlayInSetCreativeSlot, supports(21) ? "e" : supports(20, 2) ? "d" : supports(18) ? "c" : "getItemStack"); //1.21 = e, 1.20.2 = d, >= 1.18 = c, 1.17 = getItemStack
+                    int slot = (int) ReflectionUtil.callDeclaredMethod(packetPlayInSetCreativeSlot, supports(20, 4) ? "b" : supports(19, 4) ? "a" : supports(13) ? "b" : "a"); //1.20.4 - 1.19.4 = a, 1.19.3 - 1.13 and 1.20.5 = b, 1.12 = a
+                    Object nmsStack = ReflectionUtil.callDeclaredMethod(packetPlayInSetCreativeSlot, supports(20, 4) ? "e" : supports(20, 2) ? "d" : supports(18) ? "c" : "getItemStack"); //1.20.5 = e, 1.20.2-1.20.4 = d, >= 1.18 = c, 1.17 = getItemStack
                     ItemStack craftStack = (ItemStack) ReflectionUtil.callMethod(craftStackClass, "asBukkitCopy", nmsStack);
 
                     boolean async = !MapReflectionAPI.getInstance().getServer().isPrimaryThread();