Almost good, world is null

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

@@ -1,28 +1,63 @@
 package net.brokenmoon.redcontrol.api;
 
-import com.simon816.j65el02.Bus;
-import com.simon816.j65el02.device.Device;
 import com.simon816.j65el02.device.RedBus;
 import net.brokenmoon.redcontrol.blockentities.Peripheral;
+import net.brokenmoon.redcontrol.blocks.NetworkCarrier;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
 
-import java.util.Arrays;
+public class RCBus {
 
-public class RCBus extends Bus {
+    boolean isValid = false;
 
-    boolean isValid = true;
+    private RedBus redBus;
 
     Peripheral[] peripherals = new Peripheral[256];
     public RCBus(RedBus redBus) {
-        super(redBus);
+        this.redBus = redBus;
     }
 
-    public void write(int address, int data) {
+    public void write(int address, int data, World world, BlockPos pos) {
+        if(isValid) {
             Peripheral peripheral = peripherals[address];
-        peripheral.getBus().write(address, data);
+            peripheral.getBus().getRedBus().write(address, data);
+        } else {
+            generateBus(world, pos);
+            write(address, data, world, pos);
+        }
     }
 
-    public int read(int address, boolean cpuAccess) {
+    public int read(int address, boolean cpuAccess, World world, BlockPos pos) {
+        if(isValid) {
             Peripheral peripheral = peripherals[address];
             return peripheral.getBus().getRedBus().read(address, cpuAccess) & 0xff;
+        } else {
+            generateBus(world, pos);
+            return read(address, cpuAccess, world, pos);
+        }
+    }
+
+    public void generateBus(World world, BlockPos pos){
+        ((NetworkCarrier)(world.getBlockState(pos).getBlock())).generateBus(world, pos);
+    }
+
+    public RedBus getRedBus() {
+        return redBus;
+    }
+
+    public void setRedBus(RedBus redBus) {
+        this.redBus = redBus;
+    }
+
+    public void update() {
+        this.redBus.updatePeripheral();
+    }
+
+    public Peripheral[] getPeripherals(){
+        return peripherals;
+    }
+
+    public void setPeripherals(Peripheral[] peripherals){
+        this.peripherals = peripherals;
     }
 }

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

@@ -0,0 +1,20 @@
+package net.brokenmoon.redcontrol.api;
+
+import com.simon816.j65el02.Cpu;
+
+public class RCCpu extends Cpu {
+    
+    private RCBus rcbus;
+
+    public RCCpu() {
+    }
+
+    public RCBus getRCBus() {
+        return rcbus;
+    }
+
+
+    public void setRCBus(RCBus rcbus) {
+        this.rcbus = rcbus;
+    }
+}

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

@@ -5,6 +5,8 @@ import com.simon816.j65el02.Cpu;
 import com.simon816.j65el02.device.*;
 import net.brokenmoon.redcontrol.RedControl;
 import net.brokenmoon.redcontrol.api.RCBus;
+import net.brokenmoon.redcontrol.api.RCCpu;
+import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.util.math.BlockPos;
@@ -32,7 +34,8 @@ public class CpuEntity extends Peripheral implements Runnable{
 
     private boolean running = false;
     private Semaphore waiInterrupt = new Semaphore(2);
-    private final Cpu cpu;
+    private final RCCpu cpu;
+    private RCBus rcbus;
     private Path bootloader;
 
     {
@@ -42,25 +45,31 @@ public class CpuEntity extends Peripheral implements Runnable{
     private int defaultMonitorId = 1;
     private int defaultDriveId = 2;
     public CpuEntity(BlockPos pos, BlockState state) {
-        super(RedControl.CPU_BLOCK_ENTITY, pos, state);
+        super(RedControl.CPU_BLOCK_ENTITY, pos, state, 0);
         RedControl.LOGGER.info("Making CpuEntity");
-        this.cpu = new Cpu();
-        this.cpu.setBus(this.getBus());
-
+        this.cpu = new RCCpu();
+        this.setRCBus(new RCBus(new RedBus()));
+        this.cpu.setRCBus(this.getRCBus());
+        this.cpu.setBus(new Bus(this.getRCBus().getRedBus()));
         Memory ram = new Memory(0x0000, 0x2000);
         try {
             ram.loadFromFile(bootloader, 0x400, 0x100);
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
-        this.getBus().addDevice(ram);
+        cpu.getBus().addDevice(ram);
         reset();
     }
 
-    public RCBus getBus() {
-        return this.getBus();
+    public RCBus getRCBus(){
+        return this.rcbus;
+    }
+
+    public void setRCBus(RCBus bus){
+        this.rcbus = bus;
     }
 
+
     public void setPeripheral(int id, RedBus.Peripheral peripheral) {
         this.getBus().getRedBus().setPeripheral(id, peripheral);
     }
@@ -110,14 +119,14 @@ public class CpuEntity extends Peripheral implements Runnable{
     public void reset() {
         stop();
         this.cpu.reset();
-        this.getBus().write(0, this.defaultDriveId);
-        this.getBus().write(1, this.defaultMonitorId);
+        this.getRCBus().write(0, this.defaultDriveId, this.getWorld(), this.getPos());
+        this.getRCBus().write(1, this.defaultMonitorId, this.getWorld(), this.getPos());
     }
 
     public void step() {
         this.waiInterrupt.acquireUninterruptibly();
         this.cpu.step();
-        this.getBus().update();
+        this.getRCBus().update();
         if (this.cpu.isStopped()) {
             this.stop();
             return;

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

@@ -7,6 +7,6 @@ import net.minecraft.util.math.BlockPos;
 
 public class MonitorEntity extends Peripheral {
     public MonitorEntity(BlockPos pos, BlockState state) {
-        super(RedControl.MONITOR_BLOCK_ENTITY, pos, state);
+        super(RedControl.MONITOR_BLOCK_ENTITY, pos, state, 1);
     }
 }

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

@@ -11,8 +11,12 @@ import net.minecraft.util.math.BlockPos;
 public abstract class Peripheral extends BlockEntity {
 
     private RCBus bus;
-    public Peripheral(BlockEntityType<?> type, BlockPos pos, BlockState state) {
+
+    private int id;
+
+    public Peripheral(BlockEntityType<?> type, BlockPos pos, BlockState state, int id) {
         super(type, pos, state);
+        this.id = id;
     }
 
     public RCBus getBus() {
@@ -22,4 +26,12 @@ public abstract class Peripheral extends BlockEntity {
     public void setBus(RCBus bus) {
         this.bus = bus;
     }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
 }

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

@@ -1,10 +1,12 @@
 package net.brokenmoon.redcontrol.blocks;
 
+import com.simon816.j65el02.device.RedBus;
 import net.brokenmoon.redcontrol.api.RCBus;
 import net.brokenmoon.redcontrol.blockentities.Peripheral;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockEntityProvider;
 import net.minecraft.block.BlockState;
+import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.entity.LivingEntity;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.math.BlockPos;
@@ -39,4 +41,14 @@ public abstract class NetworkCarrier extends Block implements BlockEntityProvide
     public void invalidateBus(World world, BlockPos pos){
 
     }
+
+    public void generateBus(World world, BlockPos pos){
+        Block worldBlock = world.getBlockState(pos).getBlock();
+        if(world.getBlockEntity(pos) instanceof Peripheral){
+            Peripheral entityBlock = (Peripheral) world.getBlockEntity(pos);
+            entityBlock.getBus().setPeripherals(new Peripheral[255]);
+            entityBlock.getBus().getPeripherals()[entityBlock.getId()] = entityBlock;
+        }
+
+    }
 }