feat: add BuiltInAbilityGetPacket for requesting built-in abilities by name

src/main/java/kamkeel/npcs/network/packets/request/ability/BuiltInAbilityGetPacket.java

@@ -0,0 +1,70 @@
+package kamkeel.npcs.network.packets.request.ability;
+
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+import io.netty.buffer.ByteBuf;
+import kamkeel.npcs.controllers.data.ability.Ability;
+import kamkeel.npcs.controllers.data.ability.AbilityController;
+import kamkeel.npcs.network.AbstractPacket;
+import kamkeel.npcs.network.PacketChannel;
+import kamkeel.npcs.network.PacketHandler;
+import kamkeel.npcs.network.PacketUtil;
+import kamkeel.npcs.network.enums.EnumItemPacketType;
+import kamkeel.npcs.network.enums.EnumRequestPacket;
+import kamkeel.npcs.network.packets.data.large.GuiDataPacket;
+import kamkeel.npcs.util.ByteBufUtils;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.nbt.NBTTagCompound;
+
+import java.io.IOException;
+
+/**
+ * Request packet to get a specific built-in ability by name.
+ * Built-in abilities are registered presets with fixed configurations.
+ */
+public final class BuiltInAbilityGetPacket extends AbstractPacket {
+    public static String packetName = "Request|BuiltInAbilityGet";
+
+    private String abilityName;
+
+    public BuiltInAbilityGetPacket() {
+    }
+
+    public BuiltInAbilityGetPacket(String abilityName) {
+        this.abilityName = abilityName;
+    }
+
+    @Override
+    public Enum getType() {
+        return EnumRequestPacket.BuiltInAbilityGet;
+    }
+
+    @Override
+    public PacketChannel getChannel() {
+        return PacketHandler.REQUEST_PACKET;
+    }
+
+    @SideOnly(Side.CLIENT)
+    @Override
+    public void sendData(ByteBuf out) throws IOException {
+        ByteBufUtils.writeString(out, abilityName);
+    }
+
+    @Override
+    public void receiveData(ByteBuf in, EntityPlayer player) throws IOException {
+        if (!(player instanceof EntityPlayerMP))
+            return;
+
+        if (!PacketUtil.verifyItemPacket(packetName, EnumItemPacketType.WAND, player))
+            return;
+
+        String name = ByteBufUtils.readString(in);
+        Ability ability = AbilityController.Instance.getAbilityByDisplayName(name);
+        if (ability != null) {
+            NBTTagCompound compound = ability.writeNBT();
+            compound.setBoolean("BuiltIn", true);
+            GuiDataPacket.sendGuiData((EntityPlayerMP) player, compound);
+        }
+    }
+}