157 lines
4.4 KiB
Java
157 lines
4.4 KiB
Java
/*
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* This file is part of ComputerCraft - http://www.computercraft.info
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* Copyright Daniel Ratcliffe, 2011-2020. Do not distribute without permission.
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* Send enquiries to dratcliffe@gmail.com
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*/
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package dan200.computercraft.shared.peripheral.diskdrive;
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import dan200.computercraft.api.lua.LuaException;
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import dan200.computercraft.api.lua.LuaFunction;
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import dan200.computercraft.api.media.IMedia;
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import dan200.computercraft.api.peripheral.IComputerAccess;
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import dan200.computercraft.api.peripheral.IPeripheral;
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import dan200.computercraft.shared.MediaProviders;
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import dan200.computercraft.shared.media.items.ItemDisk;
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import dan200.computercraft.shared.util.StringUtil;
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import net.minecraft.item.ItemStack;
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import javax.annotation.Nonnull;
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import java.util.Optional;
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/**
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* Disk drives are a peripheral which allow you to read and write to floppy disks and other "mountable media" (such as
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* computers or turtles). They also allow you to {@link #playAudio play records}.
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*
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* When a disk drive attaches some mount (such as a floppy disk or computer), it attaches a folder called {@code disk},
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* {@code disk2}, etc... to the root directory of the computer. This folder can be used to interact with the files on
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* that disk.
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*
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* When a disk is inserted, a {@code disk} event is fired, with the side peripheral is on. Likewise, when the disk is
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* detached, a {@code disk_eject} event is fired.
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*
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* @cc.module drive
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*/
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public class DiskDrivePeripheral implements IPeripheral
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{
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private final TileDiskDrive diskDrive;
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DiskDrivePeripheral( TileDiskDrive diskDrive )
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{
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this.diskDrive = diskDrive;
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}
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@Nonnull
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@Override
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public String getType()
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{
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return "drive";
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}
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@LuaFunction
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public final boolean isDiskPresent()
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{
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return !diskDrive.getDiskStack().isEmpty();
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}
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@LuaFunction
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public final Object[] getDiskLabel()
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{
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ItemStack stack = diskDrive.getDiskStack();
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IMedia media = MediaProviders.get( stack );
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return media == null ? null : new Object[] { media.getLabel( stack ) };
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}
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@LuaFunction( mainThread = true )
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public final void setDiskLabel( Optional<String> labelA ) throws LuaException
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{
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String label = labelA.orElse( null );
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ItemStack stack = diskDrive.getDiskStack();
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IMedia media = MediaProviders.get( stack );
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if( media == null ) return;
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if( !media.setLabel( stack, StringUtil.normaliseLabel( label ) ) )
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{
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throw new LuaException( "Disk label cannot be changed" );
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}
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diskDrive.setDiskStack( stack );
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}
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@LuaFunction
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public final boolean hasData( IComputerAccess computer )
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{
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return diskDrive.getDiskMountPath( computer ) != null;
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}
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@LuaFunction
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public final String getMountPath( IComputerAccess computer )
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{
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return diskDrive.getDiskMountPath( computer );
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}
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@LuaFunction
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public final boolean hasAudio()
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{
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ItemStack stack = diskDrive.getDiskStack();
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IMedia media = MediaProviders.get( stack );
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return media != null && media.getAudio( stack ) != null;
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}
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@LuaFunction
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public final Object getAudioTitle()
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{
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ItemStack stack = diskDrive.getDiskStack();
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IMedia media = MediaProviders.get( stack );
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return media != null ? media.getAudioTitle( stack ) : false;
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}
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@LuaFunction
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public final void playAudio()
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{
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diskDrive.playDiskAudio();
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}
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@LuaFunction
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public final void stopAudio()
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{
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diskDrive.stopDiskAudio();
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}
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@LuaFunction
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public final void ejectDisk()
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{
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diskDrive.ejectDisk();
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}
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@LuaFunction
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public final Object[] getDiskID()
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{
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ItemStack disk = diskDrive.getDiskStack();
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return disk.getItem() instanceof ItemDisk ? new Object[] { ItemDisk.getDiskID( disk ) } : null;
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}
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@Override
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public void attach( @Nonnull IComputerAccess computer )
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{
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diskDrive.mount( computer );
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}
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@Override
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public void detach( @Nonnull IComputerAccess computer )
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{
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diskDrive.unmount( computer );
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}
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@Override
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public boolean equals( IPeripheral other )
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{
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return this == other || other instanceof DiskDrivePeripheral && ((DiskDrivePeripheral) other).diskDrive == diskDrive;
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}
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@Nonnull
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@Override
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public Object getTarget()
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{
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return diskDrive;
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}
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}
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