basic Screen and the networking to open it

src/client/java/net/brokenmoon/redcontrol/RedControlClient.java

@@ -1,10 +1,30 @@
 package net.brokenmoon.redcontrol;
 
+import net.brokenmoon.redcontrol.screen.CpuScreen;
+import net.brokenmoon.redcontrol.screen.MonitorScreen;
 import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.text.Text;
+import net.minecraft.util.math.BlockPos;
 
 public class RedControlClient implements ClientModInitializer {
 	@Override
 	public void onInitializeClient() {
 		// This entrypoint is suitable for setting up client-specific logic, such as rendering.
+		ClientPlayNetworking.registerGlobalReceiver(
+				RedControlNetworking.CPUGUI_PACKET_ID, (client, handler, buf, responseSender) -> {
+					BlockPos blockPos = buf.readBlockPos();
+					client.execute(() -> {
+						client.setScreen(new CpuScreen(Text.literal("cpu")));
+					});
+				});
+		ClientPlayNetworking.registerGlobalReceiver(
+				RedControlNetworking.MONITOR_PACKET_ID, (client, handler, buf, responseSender) -> {
+					BlockPos blockPos = buf.readBlockPos();
+					client.execute(() -> {
+						client.setScreen(new MonitorScreen(Text.literal("monitor")));
+					});
+				});
 	}
 }

src/client/java/net/brokenmoon/redcontrol/screen/CpuScreen.java

@@ -0,0 +1,17 @@
+package net.brokenmoon.redcontrol.screen;
+
+import net.brokenmoon.redcontrol.RedControl;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.text.Text;
+
+public class CpuScreen extends Screen {
+    public CpuScreen(Text title) {
+        super(title);
+    }
+
+    @Override
+    protected void init() {
+        super.init();
+        RedControl.LOGGER.info("Created CPU screen");
+    }
+}

src/client/java/net/brokenmoon/redcontrol/screen/MonitorScreen.java

@@ -0,0 +1,17 @@
+package net.brokenmoon.redcontrol.screen;
+
+import net.brokenmoon.redcontrol.RedControl;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.text.Text;
+
+public class MonitorScreen extends Screen {
+    public MonitorScreen(Text title) {
+        super(title);
+    }
+
+    @Override
+    protected void init() {
+        super.init();
+        RedControl.LOGGER.info("Opened Monitor Screen");
+    }
+}

src/main/java/net/brokenmoon/redcontrol/RedControlNetworking.java

@@ -0,0 +1,8 @@
+package net.brokenmoon.redcontrol;
+
+import net.minecraft.util.Identifier;
+
+public class RedControlNetworking {
+    public static final Identifier CPUGUI_PACKET_ID = new Identifier("redcontrol", "open_cpu_gui");
+    public static final Identifier MONITOR_PACKET_ID = new Identifier("redcontrol", "open_monitor");
+}

src/main/java/net/brokenmoon/redcontrol/api/Emulator.java

@@ -5,9 +5,11 @@ import com.simon816.j65el02.Cpu;
 import com.simon816.j65el02.CpuState;
 import com.simon816.j65el02.device.Memory;
 import com.simon816.j65el02.device.RedBus;
+import com.simon816.j65el02.device.RedBusState;
 import net.brokenmoon.redcontrol.RedControl;
 import net.brokenmoon.redcontrol.mixin.BusAccessor;
 import net.brokenmoon.redcontrol.mixin.CpuAccessor;
+import net.brokenmoon.redcontrol.mixin.MemoryAccessor;
 import net.minecraft.nbt.NbtCompound;
 
 import java.io.IOException;
@@ -105,14 +107,15 @@ public class Emulator {
         nbt.putLong("stepCounter", cpu.getCpuState().stepCounter);
 
         //Redbus state write nbt
-        nbt.putInt("deviceId", cpu.redBusState.activeDeviceId);
+        RedBusState redBusState = ((CpuAccessor)cpu).getRedBusState();
-        nbt.putInt("offset", cpu.redBusState.offset);
+        nbt.putInt("deviceId", redBusState.activeDeviceId);
-        nbt.putInt("memoryWindow", cpu.redBusState.memoryWindow);
+        nbt.putInt("offset", redBusState.offset);
-        nbt.putBoolean("enabled", cpu.redBusState.enabled);
+        nbt.putInt("memoryWindow", redBusState.memoryWindow);
-        nbt.putBoolean("enableWindow", cpu.redBusState.enableWindow);
+        nbt.putBoolean("enabled", redBusState.enabled);
+        nbt.putBoolean("enableWindow", redBusState.enableWindow);
 
         //Ram write nbt.
-        nbt.putByteArray("ramValues", this.ram.getMem());
+        nbt.putByteArray("ramValues", ((MemoryAccessor)this.ram).getMem());
     }
 
     public void readNbt(NbtCompound nbt) {
@@ -157,13 +160,14 @@ public class Emulator {
         cpu.getCpuState().stepCounter = nbt.getLong("stepCounter");
 
         //Redbus state write nbt
-        cpu.redBusState.activeDeviceId = nbt.getInt("deviceId");
+        RedBusState redBusState = ((CpuAccessor)cpu).getRedBusState();
-        cpu.redBusState.offset = nbt.getInt("offset");
+        redBusState.activeDeviceId = nbt.getInt("deviceId");
-        cpu.redBusState.memoryWindow = nbt.getInt("memoryWindow");
+        redBusState.offset = nbt.getInt("offset");
-        cpu.redBusState.enabled = nbt.getBoolean("enabled");
+        redBusState.memoryWindow = nbt.getInt("memoryWindow");
-        cpu.redBusState.enableWindow = nbt.getBoolean("enableWindow");
+        redBusState.enabled = nbt.getBoolean("enabled");
+        redBusState.enableWindow = nbt.getBoolean("enableWindow");
 
         //Ram write nbt.
-        ram.setMem(nbt.getByteArray("ramValues"));
+        ((MemoryAccessor)ram).setMem(nbt.getByteArray("ramValues"));
     }
 }

src/main/java/net/brokenmoon/redcontrol/blockentities/CpuEntity.java

@@ -110,6 +110,11 @@ public class CpuEntity extends Peripheral{
         return BlockEntityUpdateS2CPacket.create(this);
     }
 
+    @Override
+    public NbtCompound toInitialChunkDataNbt() {
+        return createNbt();
+    }
+
     @Override
     protected void writeNbt(NbtCompound nbt) {
         nbt.putBoolean("isRunning", this.isRunning);
@@ -133,4 +138,5 @@ public class CpuEntity extends Peripheral{
         core.readNbt(nbt);
         super.readNbt(nbt);
     }
+
 }

src/main/java/net/brokenmoon/redcontrol/blockentities/MonitorEntity.java

@@ -3,7 +3,11 @@ package net.brokenmoon.redcontrol.blockentities;
 import net.brokenmoon.redcontrol.RedControl;
 import net.minecraft.block.BlockState;
 import net.minecraft.nbt.NbtCompound;
+import net.minecraft.network.listener.ClientPlayPacketListener;
+import net.minecraft.network.packet.Packet;
+import net.minecraft.network.packet.s2c.play.BlockEntityUpdateS2CPacket;
 import net.minecraft.util.math.BlockPos;
+import org.jetbrains.annotations.Nullable;
 
 public class MonitorEntity extends Peripheral {
 
@@ -258,4 +262,15 @@ public class MonitorEntity extends Peripheral {
 
         super.readNbt(nbt);
     }
+
+    @Nullable
+    @Override
+    public Packet<ClientPlayPacketListener> toUpdatePacket() {
+        return BlockEntityUpdateS2CPacket.create(this);
+    }
+
+    @Override
+    public NbtCompound toInitialChunkDataNbt() {
+        return createNbt();
+    }
 }

src/main/java/net/brokenmoon/redcontrol/blocks/CpuBlock.java

@@ -3,14 +3,19 @@ package net.brokenmoon.redcontrol.blocks;
 import com.mojang.serialization.MapCodec;
 import com.simon816.j65el02.Cpu;
 import net.brokenmoon.redcontrol.RedControl;
+import net.brokenmoon.redcontrol.RedControlNetworking;
 import net.brokenmoon.redcontrol.blockentities.CpuEntity;
 import net.brokenmoon.redcontrol.blockentities.MonitorEntity;
 import net.brokenmoon.redcontrol.blockentities.Peripheral;
+import net.fabricmc.fabric.api.networking.v1.PacketByteBufs;
+import net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking;
 import net.minecraft.block.*;
 import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.block.entity.BlockEntityTicker;
 import net.minecraft.block.entity.BlockEntityType;
 import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.network.PacketByteBuf;
+import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.text.Text;
 import net.minecraft.util.ActionResult;
 import net.minecraft.util.Hand;
@@ -50,6 +55,9 @@ public class CpuBlock extends NetworkCarrier {
             player.sendMessage(Text.literal("  " + Integer.toHexString(peripheral.core.cpu.getBus().getRedBus().hashCode())), false);
             player.sendMessage(Text.literal("  " + Integer.toHexString(peripheral.i)), false);
             player.sendMessage(Text.literal("  " + peripheral.core.isWaitingOnInterrupt()), false);
+            PacketByteBuf byteBuf = PacketByteBufs.create();
+            byteBuf.writeBlockPos(pos);
+            ServerPlayNetworking.send((ServerPlayerEntity) player, RedControlNetworking.CPUGUI_PACKET_ID,byteBuf);
         }
 
         return ActionResult.SUCCESS;

src/main/java/net/brokenmoon/redcontrol/blocks/MonitorBlock.java

@@ -1,13 +1,18 @@
 package net.brokenmoon.redcontrol.blocks;
 
 import com.mojang.serialization.MapCodec;
+import net.brokenmoon.redcontrol.RedControlNetworking;
 import net.brokenmoon.redcontrol.blockentities.MonitorEntity;
+import net.fabricmc.fabric.api.networking.v1.PacketByteBufs;
+import net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockEntityProvider;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.BlockWithEntity;
 import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.network.PacketByteBuf;
+import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.text.Text;
 import net.minecraft.util.ActionResult;
 import net.minecraft.util.Hand;
@@ -39,9 +44,12 @@ public class MonitorBlock extends NetworkCarrier {
             MonitorEntity monitor = (MonitorEntity) world.getBlockEntity(pos);
             player.sendMessage(Text.literal(String.valueOf(monitor.getBus().hashCode())), false);
             String[] text = monitor.getText();
-            for(int i = 0; i < text.length; i++){
+            for (String s : text) {
-                player.sendMessage(Text.literal(text[i]), false);
+                player.sendMessage(Text.literal(s), false);
             }
+            PacketByteBuf byteBuf = PacketByteBufs.create();
+            byteBuf.writeBlockPos(pos);
+            ServerPlayNetworking.send((ServerPlayerEntity) player, RedControlNetworking.MONITOR_PACKET_ID,byteBuf);
         }
 
         return ActionResult.SUCCESS;

src/main/java/net/brokenmoon/redcontrol/mixin/MemoryAccessor.java

@@ -0,0 +1,13 @@
+package net.brokenmoon.redcontrol.mixin;
+
+import com.simon816.j65el02.device.Memory;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(Memory.class)
+public interface MemoryAccessor {
+    @Accessor("mem")
+    byte[] getMem();
+    @Accessor("mem")
+    void setMem(byte[] mem);
+}

src/main/resources/redcontrol.mixins.json

@@ -6,6 +6,7 @@
     "BusAccessor",
     "CpuAccessor",
     "ExampleMixin",
+    "MemoryAccessor",
     "RedBusAccessor"
   ],
   "injectors": {