generated from tilera/1710mod
316 lines
13 KiB
Java
316 lines
13 KiB
Java
/**
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* This file is part of the public ComputerCraft API - http://www.computercraft.info
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* Copyright Daniel Ratcliffe, 2011-2015. This API may be redistributed unmodified and in full only.
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* For help using the API, and posting your mods, visit the forums at computercraft.info.
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*/
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package dan200.computercraft.api;
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import dan200.computercraft.api.filesystem.IMount;
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import dan200.computercraft.api.filesystem.IWritableMount;
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import dan200.computercraft.api.media.IMediaProvider;
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import dan200.computercraft.api.peripheral.IPeripheralProvider;
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import dan200.computercraft.api.permissions.ITurtlePermissionProvider;
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import dan200.computercraft.api.redstone.IBundledRedstoneProvider;
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import dan200.computercraft.api.turtle.ITurtleUpgrade;
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import net.minecraft.world.World;
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import java.lang.reflect.Method;
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/**
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* The static entry point to the ComputerCraft API.
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* Members in this class must be called after mod_ComputerCraft has been initialised,
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* but may be called before it is fully loaded.
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*/
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public final class ComputerCraftAPI
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{
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public static boolean isInstalled()
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{
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findCC();
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return computerCraft != null;
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}
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public static String getInstalledVersion()
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{
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findCC();
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if( computerCraft_getVersion != null )
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{
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try {
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return (String)computerCraft_getVersion.invoke( null );
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} catch (Exception e) {
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// It failed
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}
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}
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return "";
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}
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public static String getAPIVersion()
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{
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return "1.75";
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}
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/**
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* Creates a numbered directory in a subfolder of the save directory for a given world, and returns that number.<br>
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* Use in conjuction with createSaveDirMount() to create a unique place for your peripherals or media items to store files.<br>
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* @param world The world for which the save dir should be created. This should be the serverside world object.
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* @param parentSubPath The folder path within the save directory where the new directory should be created. eg: "computercraft/disk"
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* @return The numerical value of the name of the new folder, or -1 if the folder could not be created for some reason.<br>
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* eg: if createUniqueNumberedSaveDir( world, "computer/disk" ) was called returns 42, then "computer/disk/42" is now available for writing.
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* @see #createSaveDirMount(World, String, long)
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*/
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public static int createUniqueNumberedSaveDir( World world, String parentSubPath )
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{
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findCC();
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if( computerCraft_createUniqueNumberedSaveDir != null )
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{
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try {
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return (Integer)computerCraft_createUniqueNumberedSaveDir.invoke( null, world, parentSubPath );
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} catch (Exception e) {
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// It failed
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}
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}
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return -1;
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}
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/**
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* Creates a file system mount that maps to a subfolder of the save directory for a given world, and returns it.<br>
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* Use in conjuction with IComputerAccess.mount() or IComputerAccess.mountWritable() to mount a folder from the
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* users save directory onto a computers file system.<br>
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* @param world The world for which the save dir can be found. This should be the serverside world object.
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* @param subPath The folder path within the save directory that the mount should map to. eg: "computer/disk/42".<br>
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* Use createUniqueNumberedSaveDir() to create a new numbered folder to use.
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* @param capacity The ammount of data that can be stored in the directory before it fills up, in bytes.
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* @return The mount, or null if it could be created for some reason. Use IComputerAccess.mount() or IComputerAccess.mountWritable()
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* to mount this on a Computers' file system.
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* @see #createUniqueNumberedSaveDir(World, String)
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* @see dan200.computercraft.api.peripheral.IComputerAccess#mount(String, dan200.computercraft.api.filesystem.IMount)
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* @see dan200.computercraft.api.peripheral.IComputerAccess#mountWritable(String, dan200.computercraft.api.filesystem.IWritableMount)
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* @see dan200.computercraft.api.filesystem.IMount
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* @see IWritableMount
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*/
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public static IWritableMount createSaveDirMount( World world, String subPath, long capacity )
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{
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findCC();
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if( computerCraft_createSaveDirMount != null )
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{
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try {
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return (IWritableMount)computerCraft_createSaveDirMount.invoke( null, world, subPath, capacity );
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} catch (Exception e){
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// It failed
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}
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}
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return null;
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}
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/**
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* Creates a file system mount to a resource folder, and returns it.<br>
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* Use in conjuction with IComputerAccess.mount() or IComputerAccess.mountWritable() to mount a resource folder onto a computers file system.<br>
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* The files in this mount will be a combination of files in the specified mod jar, and resource packs that contain resources with the same domain and path.<br>
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* @param modClass A class in whose jar to look first for the resources to mount. Using your main mod class is recommended. eg: MyMod.class
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* @param domain The domain under which to look for resources. eg: "mymod"
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* @param subPath The domain under which to look for resources. eg: "mymod/lua/myfiles"
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* @return The mount, or null if it could be created for some reason. Use IComputerAccess.mount() or IComputerAccess.mountWritable()
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* to mount this on a Computers' file system.
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* @see dan200.computercraft.api.peripheral.IComputerAccess#mount(String, dan200.computercraft.api.filesystem.IMount)
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* @see dan200.computercraft.api.peripheral.IComputerAccess#mountWritable(String, IWritableMount)
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* @see dan200.computercraft.api.filesystem.IMount
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*/
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public static IMount createResourceMount( Class modClass, String domain, String subPath )
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{
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findCC();
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if( computerCraft_createResourceMount != null )
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{
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try {
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return (IMount)computerCraft_createResourceMount.invoke( null, modClass, domain, subPath );
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} catch (Exception e){
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// It failed
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}
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}
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return null;
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}
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/**
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* Registers a peripheral handler to convert blocks into IPeripheral implementations.
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* @see dan200.computercraft.api.peripheral.IPeripheral
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* @see dan200.computercraft.api.peripheral.IPeripheralProvider
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*/
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public static void registerPeripheralProvider( IPeripheralProvider handler )
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{
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findCC();
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if ( computerCraft_registerPeripheralProvider != null)
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{
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try {
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computerCraft_registerPeripheralProvider.invoke( null, handler );
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} catch (Exception e){
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// It failed
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}
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}
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}
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/**
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* Registers a new turtle turtle for use in ComputerCraft. After calling this,
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* users should be able to craft Turtles with your new turtle. It is recommended to call
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* this during the load() method of your mod.
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* @see dan200.computercraft.api.turtle.ITurtleUpgrade
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*/
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public static void registerTurtleUpgrade( ITurtleUpgrade upgrade )
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{
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if( upgrade != null )
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{
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findCC();
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if( computerCraft_registerTurtleUpgrade != null )
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{
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try {
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computerCraft_registerTurtleUpgrade.invoke( null, upgrade );
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} catch( Exception e ) {
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// It failed
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}
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}
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}
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}
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/**
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* Registers a bundled redstone handler to provide bundled redstone output for blocks
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* @see dan200.computercraft.api.redstone.IBundledRedstoneProvider
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*/
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public static void registerBundledRedstoneProvider( IBundledRedstoneProvider handler )
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{
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findCC();
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if( computerCraft_registerBundledRedstoneProvider != null )
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{
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try {
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computerCraft_registerBundledRedstoneProvider.invoke( null, handler );
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} catch (Exception e) {
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// It failed
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}
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}
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}
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/**
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* If there is a Computer or Turtle at a certain position in the world, get it's bundled redstone output.
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* @see dan200.computercraft.api.redstone.IBundledRedstoneProvider
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* @return If there is a block capable of emitting bundled redstone at the location, it's signal (0-65535) will be returned.
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* If there is no block capable of emitting bundled redstone at the location, -1 will be returned.
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*/
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public static int getBundledRedstoneOutput( World world, int x, int y, int z, int side )
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{
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findCC();
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if( computerCraft_getDefaultBundledRedstoneOutput != null )
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{
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try {
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return (Integer)computerCraft_getDefaultBundledRedstoneOutput.invoke( null, world, x, y, z, side );
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} catch (Exception e){
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// It failed
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}
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}
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return -1;
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}
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/**
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* Registers a media handler to provide IMedia implementations for Items
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* @see dan200.computercraft.api.media.IMediaProvider
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*/
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public static void registerMediaProvider( IMediaProvider handler )
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{
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findCC();
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if( computerCraft_registerMediaProvider != null )
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{
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try {
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computerCraft_registerMediaProvider.invoke( null, handler );
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} catch (Exception e){
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// It failed
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}
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}
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}
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/**
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* Registers a permission handler to restrict where turtles can move or build
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* @see dan200.computercraft.api.permissions.ITurtlePermissionProvider
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*/
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public static void registerPermissionProvider( ITurtlePermissionProvider handler )
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{
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findCC();
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if( computerCraft_registerPermissionProvider != null )
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{
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try {
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computerCraft_registerPermissionProvider.invoke( null, handler );
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} catch (Exception e) {
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// It failed
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}
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}
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}
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// The functions below here are private, and are used to interface with the non-API ComputerCraft classes.
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// Reflection is used here so you can develop your mod without decompiling ComputerCraft and including
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// it in your solution, and so your mod won't crash if ComputerCraft is installed.
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private static void findCC()
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{
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if( !ccSearched ) {
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try {
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computerCraft = Class.forName( "dan200.computercraft.ComputerCraft" );
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computerCraft_getVersion = findCCMethod( "getVersion", new Class[]{
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} );
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computerCraft_createUniqueNumberedSaveDir = findCCMethod( "createUniqueNumberedSaveDir", new Class[]{
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World.class, String.class
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} );
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computerCraft_createSaveDirMount = findCCMethod( "createSaveDirMount", new Class[] {
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World.class, String.class, Long.TYPE
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} );
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computerCraft_createResourceMount = findCCMethod( "createResourceMount", new Class[] {
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Class.class, String.class, String.class
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} );
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computerCraft_registerPeripheralProvider = findCCMethod( "registerPeripheralProvider", new Class[] {
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IPeripheralProvider.class
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} );
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computerCraft_registerTurtleUpgrade = findCCMethod( "registerTurtleUpgrade", new Class[] {
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ITurtleUpgrade.class
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} );
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computerCraft_registerBundledRedstoneProvider = findCCMethod( "registerBundledRedstoneProvider", new Class[] {
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IBundledRedstoneProvider.class
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} );
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computerCraft_getDefaultBundledRedstoneOutput = findCCMethod( "getDefaultBundledRedstoneOutput", new Class[] {
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World.class, Integer.TYPE, Integer.TYPE, Integer.TYPE, Integer.TYPE
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} );
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computerCraft_registerMediaProvider = findCCMethod( "registerMediaProvider", new Class[] {
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IMediaProvider.class
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} );
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computerCraft_registerPermissionProvider = findCCMethod( "registerPermissionProvider", new Class[] {
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ITurtlePermissionProvider.class
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} );
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} catch( Exception e ) {
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System.out.println( "ComputerCraftAPI: ComputerCraft not found." );
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} finally {
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ccSearched = true;
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}
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}
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}
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private static Method findCCMethod( String name, Class[] args )
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{
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try {
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if( computerCraft != null )
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{
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return computerCraft.getMethod( name, args );
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}
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return null;
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} catch( NoSuchMethodException e ) {
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System.out.println( "ComputerCraftAPI: ComputerCraft method " + name + " not found." );
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return null;
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}
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}
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private static boolean ccSearched = false;
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private static Class computerCraft = null;
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private static Method computerCraft_getVersion = null;
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private static Method computerCraft_createUniqueNumberedSaveDir = null;
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private static Method computerCraft_createSaveDirMount = null;
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private static Method computerCraft_createResourceMount = null;
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private static Method computerCraft_registerPeripheralProvider = null;
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private static Method computerCraft_registerTurtleUpgrade = null;
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private static Method computerCraft_registerBundledRedstoneProvider = null;
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private static Method computerCraft_getDefaultBundledRedstoneOutput = null;
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private static Method computerCraft_registerMediaProvider = null;
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private static Method computerCraft_registerPermissionProvider = null;
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}
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