channels

src/main/java/com/gtnewhorizon/structurelib/net/SetChannelDataMessage.java

@@ -0,0 +1,67 @@
+package com.gtnewhorizon.structurelib.net;
+
+import com.gtnewhorizon.structurelib.StructureLib;
+import com.gtnewhorizon.structurelib.alignment.constructable.ChannelDataAccessor;
+import com.gtnewhorizon.structurelib.item.ItemConstructableTrigger;
+import cpw.mods.fml.common.network.ByteBufUtils;
+import cpw.mods.fml.common.network.simpleimpl.IMessage;
+import cpw.mods.fml.common.network.simpleimpl.IMessageHandler;
+import cpw.mods.fml.common.network.simpleimpl.MessageContext;
+import io.netty.buffer.ByteBuf;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.item.ItemStack;
+import org.apache.commons.lang3.tuple.Pair;
+
+public class SetChannelDataMessage implements IMessage {
+    private List<Map.Entry<String, Integer>> data = new ArrayList<>();
+
+    public SetChannelDataMessage() {}
+
+    public SetChannelDataMessage(ItemStack trigger) {
+        ChannelDataAccessor.iterateChannelData(trigger).forEach(data::add);
+    }
+
+    @Override
+    public void fromBytes(ByteBuf buf) {
+        data.clear();
+        int size = ByteBufUtils.readVarShort(buf);
+        for (int i = 0; i < size; i++) {
+            data.add(Pair.of(ByteBufUtils.readUTF8String(buf), ByteBufUtils.readVarInt(buf, 4)));
+        }
+    }
+
+    @Override
+    public void toBytes(ByteBuf buf) {
+        ByteBufUtils.writeVarShort(buf, data.size());
+        for (Entry<String, Integer> e : data) {
+            ByteBufUtils.writeUTF8String(buf, e.getKey());
+            ByteBufUtils.writeVarInt(buf, e.getValue(), 4);
+        }
+    }
+
+    public static class Handler implements IMessageHandler<SetChannelDataMessage, IMessage> {
+        @Override
+        public IMessage onMessage(SetChannelDataMessage message, MessageContext ctx) {
+            EntityPlayerMP player = ctx.getServerHandler().playerEntity;
+            ItemStack heldItem = player.getHeldItem();
+            if (heldItem != null && heldItem.getItem() instanceof ItemConstructableTrigger) {
+                ChannelDataAccessor.wipeChannelData(heldItem);
+                for (Entry<String, Integer> e : message.data) {
+                    ChannelDataAccessor.setChannelData(heldItem, e.getKey(), e.getValue());
+                }
+                // since this is a set all channel request from the client, we would assume client already know
+                // what this would look like on the client, so no sync
+            } else {
+                StructureLib.LOGGER.warn(
+                        "{} trying to set channel data on {}, which is not a hologram projector!",
+                        player.getUniqueID(),
+                        heldItem);
+            }
+            return null;
+        }
+    }
+}