Started work on upgrading to 1.16.1. Not in a compilable state yet

remappedSrc/dan200/computercraft/shared/pocket/peripherals/PocketModem.java

@@ -0,0 +1,56 @@
+/*
+ * This file is part of ComputerCraft - http://www.computercraft.info
+ * Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
+ * Send enquiries to dratcliffe@gmail.com
+ */
+
+package dan200.computercraft.shared.pocket.peripherals;
+
+import dan200.computercraft.ComputerCraft;
+import dan200.computercraft.api.peripheral.IPeripheral;
+import dan200.computercraft.api.pocket.AbstractPocketUpgrade;
+import dan200.computercraft.api.pocket.IPocketAccess;
+import dan200.computercraft.shared.peripheral.modem.ModemState;
+import net.minecraft.entity.Entity;
+import net.minecraft.util.Identifier;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+public class PocketModem extends AbstractPocketUpgrade
+{
+    private final boolean advanced;
+
+    public PocketModem( boolean advanced )
+    {
+        super(
+            new Identifier( "computercraft", advanced ? "wireless_modem_advanced" : "wireless_modem_normal" ),
+            advanced
+                ? ComputerCraft.Blocks.wirelessModemAdvanced
+                : ComputerCraft.Blocks.wirelessModemNormal
+        );
+        this.advanced = advanced;
+    }
+
+    @Nullable
+    @Override
+    public IPeripheral createPeripheral( @Nonnull IPocketAccess access )
+    {
+        return new PocketModemPeripheral( advanced );
+    }
+
+    @Override
+    public void update( @Nonnull IPocketAccess access, @Nullable IPeripheral peripheral )
+    {
+        if( !(peripheral instanceof PocketModemPeripheral) ) return;
+
+        Entity entity = access.getEntity();
+
+        PocketModemPeripheral modem = (PocketModemPeripheral) peripheral;
+
+        if( entity != null ) modem.setLocation( entity.getEntityWorld(), entity.getCameraPosVec( 1 ) );
+
+        ModemState state = modem.getModemState();
+        if( state.pollChanged() ) access.setLight( state.isOpen() ? 0xBA0000 : -1 );
+    }
+}