JEI写样板对于配方书签上传失败时回退到玩家背包

src/main/java/com/extendedae_plus/network/UploadEncodedPatternToProviderC2SPacket.java

@@ -32,16 +32,15 @@ public class UploadEncodedPatternToProviderC2SPacket {
             ServerPlayer player = ctx.getSender();
             if (player == null) return;
 
-            // Prefer pending Ctrl+Q pattern upload when present.
             if (ProviderUploadUtil.hasPendingCtrlQPattern(player)) {
                 if (ProviderUploadUtil.uploadPendingCtrlQPattern(player, msg.providerId)) {
                     return;
                 }
+                ProviderUploadUtil.returnPendingCtrlQPatternToInventory(player);
+                return;
             }
 
             if (player.containerMenu instanceof PatternEncodingTermMenu menu) {
-                // 1) providerId >= 0: byId mode from access terminal
-                // 2) providerId < 0: index mode, index = -1 - providerId
                 if (msg.providerId >= 0) {
                     ProviderUploadUtil.uploadFromEncodingMenuToProvider(player, menu, msg.providerId);
                 } else {

src/main/java/com/extendedae_plus/network/pattern/CreateAndUploadPatternC2SPacket.java

@@ -145,8 +145,10 @@ public class CreateAndUploadPatternC2SPacket {
             boolean uploaded = MatrixUploadUtil.uploadPatternToMatrix(player, pattern, grid);
 
             if (!uploaded) {
-                // 上传失败，退还空白样板到网络
+                // 上传失败，将样板塞到背包。
-                refundBlankPattern(player, grid);
+                if (!(player.getInventory().add(pattern))) {
+                    player.drop(pattern.copy(),false);
+                }
             }
         });
         ctx.setPacketHandled(true);

src/main/java/com/extendedae_plus/util/uploadPattern/ProviderUploadUtil.java

@@ -281,6 +281,21 @@ public final class ProviderUploadUtil {
         return true;
     }
 
+    /**
+     * 将 pending Ctrl+Q 样板回退到玩家背包；若背包已满则掉落在地上。
+     */
+    public static boolean returnPendingCtrlQPatternToInventory(ServerPlayer player) {
+        if (player == null) return false;
+        ItemStack pending = getPendingCtrlQPattern(player);
+        if (pending.isEmpty()) return false;
+
+        clearPendingCtrlQUpload(player);
+        if (!player.getInventory().add(pending.copy())) {
+            player.drop(pending.copy(), false);
+        }
+        return true;
+    }
+
     /**
      * 列出玩家无线终端网络中的可用 provider，顺序与负数索引上传保持一致。
      */