Added Crossbow nbt translator (#590)

They still infinitely reload but they correctly track if they have data in now.

connector/src/main/java/org/geysermc/connector/network/translators/item/translators/nbt/CrossbowTranslator.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.connector.network.translators.item.translators.nbt;
+
+import com.github.steveice10.opennbt.tag.builtin.ByteTag;
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.ListTag;
+import com.github.steveice10.opennbt.tag.builtin.StringTag;
+import org.geysermc.connector.network.translators.ItemRemapper;
+import org.geysermc.connector.network.translators.NbtItemStackTranslator;
+import org.geysermc.connector.network.translators.item.ItemEntry;
+
+@ItemRemapper
+public class CrossbowTranslator extends NbtItemStackTranslator {
+
+    @Override
+    public void translateToBedrock(CompoundTag itemTag, ItemEntry itemEntry) {
+        if (itemTag.get("ChargedProjectiles") != null) {
+            ListTag chargedProjectiles = itemTag.get("ChargedProjectiles");
+            if (!chargedProjectiles.getValue().isEmpty()) {
+                CompoundTag projectile = (CompoundTag) chargedProjectiles.getValue().get(0);
+
+                CompoundTag newProjectile = new CompoundTag("chargedItem");
+                newProjectile.put(new ByteTag("Count", (byte) projectile.get("Count").getValue()));
+                newProjectile.put(new StringTag("Name", (String) projectile.get("id").getValue()));
+
+                // Not sure what this is for
+                newProjectile.put(new ByteTag("Damage", (byte) 0));
+
+                itemTag.put(newProjectile);
+            }
+        }
+    }
+
+    @Override
+    public void translateToJava(CompoundTag itemTag, ItemEntry itemEntry) {
+        if (itemTag.get("chargedItem") != null) {
+            CompoundTag chargedItem = itemTag.get("chargedItem");
+
+            CompoundTag newProjectile = new CompoundTag("");
+            newProjectile.put(new ByteTag("Count", (byte) chargedItem.get("Count").getValue()));
+            newProjectile.put(new StringTag("id", (String) chargedItem.get("Name").getValue()));
+
+            ListTag chargedProjectiles = new ListTag("ChargedProjectiles");
+            chargedProjectiles.add(newProjectile);
+
+            itemTag.put(chargedProjectiles);
+        }
+    }
+
+    @Override
+    public boolean acceptItem(ItemEntry itemEntry) {
+        return "minecraft:crossbow".equals(itemEntry.getJavaIdentifier());
+    }
+}