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/ *
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* This file ( " WorldUtil.java " ) is part of the Actually Additions mod for Minecraft .
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* It is created and owned by Ellpeck and distributed
* under the Actually Additions License to be found at
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* http : //ellpeck.de/actaddlicense
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* View the source code at https : //github.com/Ellpeck/ActuallyAdditions
*
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* © 2015 - 2017 Ellpeck
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* /
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package de.ellpeck.actuallyadditions.mod.util ;
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import java.util.ArrayList ;
import org.cyclops.commoncapabilities.api.capability.itemhandler.ISlotlessItemHandler ;
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import de.ellpeck.actuallyadditions.mod.ActuallyAdditions ;
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import de.ellpeck.actuallyadditions.mod.tile.FilterSettings ;
import de.ellpeck.actuallyadditions.mod.util.compat.SlotlessableItemHandlerWrapper ;
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import net.minecraft.block.Block ;
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import net.minecraft.block.BlockDirectional ;
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import net.minecraft.block.material.Material ;
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import net.minecraft.block.state.IBlockState ;
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import net.minecraft.entity.item.EntityItem ;
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import net.minecraft.entity.player.EntityPlayer ;
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import net.minecraft.entity.player.EntityPlayerMP ;
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import net.minecraft.init.Blocks ;
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import net.minecraft.init.Items ;
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import net.minecraft.item.ItemStack ;
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import net.minecraft.network.play.server.SPacketBlockChange ;
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import net.minecraft.tileentity.TileEntity ;
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import net.minecraft.util.EnumFacing ;
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import net.minecraft.util.EnumHand ;
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import net.minecraft.util.NonNullList ;
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import net.minecraft.util.math.BlockPos ;
import net.minecraft.util.math.MathHelper ;
import net.minecraft.util.math.RayTraceResult ;
import net.minecraft.util.math.Vec3d ;
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import net.minecraft.world.World ;
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import net.minecraft.world.WorldServer ;
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import net.minecraftforge.common.ForgeHooks ;
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import net.minecraftforge.common.IPlantable ;
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import net.minecraftforge.common.MinecraftForge ;
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import net.minecraftforge.common.util.FakePlayer ;
import net.minecraftforge.common.util.FakePlayerFactory ;
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import net.minecraftforge.energy.CapabilityEnergy ;
import net.minecraftforge.energy.IEnergyStorage ;
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import net.minecraftforge.event.ForgeEventFactory ;
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import net.minecraftforge.event.world.BlockEvent.BreakEvent ;
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import net.minecraftforge.fluids.FluidStack ;
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import net.minecraftforge.fluids.capability.CapabilityFluidHandler ;
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import net.minecraftforge.fluids.capability.IFluidHandler ;
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import net.minecraftforge.items.IItemHandler ;
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public final class WorldUtil {
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public static boolean doItemInteraction ( SlotlessableItemHandlerWrapper extractWrapper , SlotlessableItemHandlerWrapper insertWrapper , int maxExtract ) {
return doItemInteraction ( extractWrapper , insertWrapper , maxExtract , null ) ;
}
public static boolean doItemInteraction ( SlotlessableItemHandlerWrapper extractWrapper , SlotlessableItemHandlerWrapper insertWrapper , int maxExtract , FilterSettings filter ) {
return doItemInteraction ( extractWrapper , insertWrapper , maxExtract , 0 , Integer . MAX_VALUE , 0 , Integer . MAX_VALUE , filter ) ;
}
public static boolean doItemInteraction ( SlotlessableItemHandlerWrapper extractWrapper , SlotlessableItemHandlerWrapper insertWrapper , int maxExtract , int extractSlotStart , int extractSlotEnd , int insertSlotStart , int insertSlotEnd , FilterSettings filter ) {
ItemStack theoreticalExtract = extractItem ( extractWrapper , maxExtract , true , extractSlotStart , extractSlotEnd , filter ) ;
if ( StackUtil . isValid ( theoreticalExtract ) ) {
ItemStack remaining = StackUtil . insertItem ( insertWrapper , theoreticalExtract , false , insertSlotStart , insertSlotEnd ) ;
if ( ! ItemStack . areItemStacksEqual ( remaining , theoreticalExtract ) ) {
int toExtract = theoreticalExtract . getCount ( ) - remaining . getCount ( ) ;
extractItem ( extractWrapper , toExtract , false , extractSlotStart , extractSlotEnd , filter ) ;
return true ;
}
}
return false ;
}
public static ItemStack extractItem ( SlotlessableItemHandlerWrapper extractWrapper , int maxExtract , boolean simulate , int slotStart , int slotEnd , FilterSettings filter ) {
ItemStack extracted = StackUtil . getEmpty ( ) ;
if ( ActuallyAdditions . commonCapsLoaded ) {
Object handler = extractWrapper . getSlotlessHandler ( ) ;
if ( handler instanceof ISlotlessItemHandler ) {
ISlotlessItemHandler slotless = ( ISlotlessItemHandler ) handler ;
if ( filter = = null | | ! filter . needsCheck ( ) ) {
extracted = slotless . extractItem ( maxExtract , simulate ) ;
return extracted ;
} else {
ItemStack would = slotless . extractItem ( maxExtract , true ) ;
if ( filter . check ( would ) ) {
if ( simulate ) {
extracted = would ;
} else {
extracted = slotless . extractItem ( maxExtract , false ) ;
}
}
//Leave the possibility to fall back to vanilla when there is a filter
}
}
}
if ( ! StackUtil . isValid ( extracted ) ) {
IItemHandler handler = extractWrapper . getNormalHandler ( ) ;
if ( handler ! = null ) {
for ( int i = Math . max ( 0 , slotStart ) ; i < Math . min ( slotEnd , handler . getSlots ( ) ) ; i + + ) {
if ( filter = = null | | ! filter . needsCheck ( ) | | filter . check ( handler . getStackInSlot ( i ) ) ) {
extracted = handler . extractItem ( i , maxExtract , simulate ) ;
if ( StackUtil . isValid ( extracted ) ) {
break ;
}
}
}
}
}
return extracted ;
}
public static void doEnergyInteraction ( TileEntity tileFrom , TileEntity tileTo , EnumFacing sideTo , int maxTransfer ) {
if ( maxTransfer > 0 ) {
EnumFacing opp = sideTo = = null ? null : sideTo . getOpposite ( ) ;
if ( tileFrom . hasCapability ( CapabilityEnergy . ENERGY , sideTo ) & & tileTo . hasCapability ( CapabilityEnergy . ENERGY , opp ) ) {
IEnergyStorage handlerFrom = tileFrom . getCapability ( CapabilityEnergy . ENERGY , sideTo ) ;
IEnergyStorage handlerTo = tileTo . getCapability ( CapabilityEnergy . ENERGY , opp ) ;
if ( handlerFrom ! = null & & handlerTo ! = null ) {
int drain = handlerFrom . extractEnergy ( maxTransfer , true ) ;
if ( drain > 0 ) {
int filled = handlerTo . receiveEnergy ( drain , false ) ;
handlerFrom . extractEnergy ( filled , false ) ;
return ;
}
}
}
}
}
public static void doFluidInteraction ( TileEntity tileFrom , TileEntity tileTo , EnumFacing sideTo , int maxTransfer ) {
if ( maxTransfer > 0 ) {
if ( tileFrom . hasCapability ( CapabilityFluidHandler . FLUID_HANDLER_CAPABILITY , sideTo ) & & tileTo . hasCapability ( CapabilityFluidHandler . FLUID_HANDLER_CAPABILITY , sideTo . getOpposite ( ) ) ) {
IFluidHandler handlerFrom = tileFrom . getCapability ( CapabilityFluidHandler . FLUID_HANDLER_CAPABILITY , sideTo ) ;
IFluidHandler handlerTo = tileTo . getCapability ( CapabilityFluidHandler . FLUID_HANDLER_CAPABILITY , sideTo . getOpposite ( ) ) ;
FluidStack drain = handlerFrom . drain ( maxTransfer , false ) ;
if ( drain ! = null ) {
int filled = handlerTo . fill ( drain . copy ( ) , true ) ;
handlerFrom . drain ( filled , true ) ;
}
}
}
}
/ * *
* Checks if a given Block with a given Meta is present in given Positions
*
* @param positions The Positions , an array of { x , y , z } arrays containing Positions
* @param block The Block
* @param meta The Meta
* @param world The World
* @return Is every block present ?
* /
public static boolean hasBlocksInPlacesGiven ( BlockPos [ ] positions , Block block , int meta , World world ) {
for ( BlockPos pos : positions ) {
IBlockState state = world . getBlockState ( pos ) ;
if ( ! ( state . getBlock ( ) = = block & & block . getMetaFromState ( state ) = = meta ) ) { return false ; }
}
return true ;
}
public static ItemStack useItemAtSide ( EnumFacing side , World world , BlockPos pos , ItemStack stack ) {
if ( world instanceof WorldServer & & StackUtil . isValid ( stack ) & & pos ! = null ) {
BlockPos offsetPos = pos . offset ( side ) ;
IBlockState state = world . getBlockState ( offsetPos ) ;
Block block = state . getBlock ( ) ;
boolean replaceable = block . isReplaceable ( world , offsetPos ) ;
//Redstone
if ( replaceable & & stack . getItem ( ) = = Items . REDSTONE ) {
world . setBlockState ( offsetPos , Blocks . REDSTONE_WIRE . getDefaultState ( ) , 2 ) ;
return StackUtil . shrink ( stack , 1 ) ;
}
//Plants
if ( replaceable & & stack . getItem ( ) instanceof IPlantable ) {
if ( ( ( IPlantable ) stack . getItem ( ) ) . getPlant ( world , offsetPos ) . getBlock ( ) . canPlaceBlockAt ( world , offsetPos ) ) {
if ( world . setBlockState ( offsetPos , ( ( IPlantable ) stack . getItem ( ) ) . getPlant ( world , offsetPos ) , 2 ) ) return StackUtil . shrink ( stack , 1 ) ;
}
}
//Everything else
try {
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FakePlayer fake = FakePlayerFactory . getMinecraft ( ( WorldServer ) world ) ;
ItemStack heldBefore = fake . getHeldItemMainhand ( ) ;
setHandItemWithoutAnnoyingSound ( fake , EnumHand . MAIN_HAND , stack . copy ( ) ) ;
fake . interactionManager . processRightClickBlock ( fake , world , fake . getHeldItemMainhand ( ) , EnumHand . MAIN_HAND , offsetPos , side . getOpposite ( ) , 0 . 5F , 0 . 5F , 0 . 5F ) ;
ItemStack result = fake . getHeldItem ( EnumHand . MAIN_HAND ) ;
setHandItemWithoutAnnoyingSound ( fake , EnumHand . MAIN_HAND , heldBefore ) ;
return result ;
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} catch ( Exception e ) {
ActuallyAdditions . LOGGER . error ( " Something that places Blocks at " + offsetPos . getX ( ) + " , " + offsetPos . getY ( ) + " , " + offsetPos . getZ ( ) + " in World " + world . provider . getDimension ( ) + " threw an Exception! Don't let that happen again! " , e ) ;
}
}
return stack ;
}
public static boolean dropItemAtSide ( EnumFacing side , World world , BlockPos pos , ItemStack stack ) {
BlockPos coords = pos . offset ( side ) ;
if ( world . isBlockLoaded ( coords ) ) {
EntityItem item = new EntityItem ( world , coords . getX ( ) + 0 . 5 , coords . getY ( ) + 0 . 5 , coords . getZ ( ) + 0 . 5 , stack ) ;
item . motionX = 0 ;
item . motionY = 0 ;
item . motionZ = 0 ;
return world . spawnEntity ( item ) ;
}
return false ;
}
public static EnumFacing getDirectionBySidesInOrder ( int side ) {
switch ( side ) {
case 0 :
return EnumFacing . UP ;
case 1 :
return EnumFacing . DOWN ;
case 2 :
return EnumFacing . NORTH ;
case 3 :
return EnumFacing . EAST ;
case 4 :
return EnumFacing . SOUTH ;
default :
return EnumFacing . WEST ;
}
}
public static EnumFacing getDirectionByPistonRotation ( IBlockState state ) {
return state . getValue ( BlockDirectional . FACING ) ;
}
public static ArrayList < Material > getMaterialsAround ( World world , BlockPos pos ) {
ArrayList < Material > blocks = new ArrayList < Material > ( ) ;
blocks . add ( world . getBlockState ( pos . offset ( EnumFacing . NORTH ) ) . getMaterial ( ) ) ;
blocks . add ( world . getBlockState ( pos . offset ( EnumFacing . EAST ) ) . getMaterial ( ) ) ;
blocks . add ( world . getBlockState ( pos . offset ( EnumFacing . SOUTH ) ) . getMaterial ( ) ) ;
blocks . add ( world . getBlockState ( pos . offset ( EnumFacing . WEST ) ) . getMaterial ( ) ) ;
return blocks ;
}
public static RayTraceResult getNearestPositionWithAir ( World world , EntityPlayer player , int reach ) {
return getMovingObjectPosWithReachDistance ( world , player , reach , false , false , true ) ;
}
private static RayTraceResult getMovingObjectPosWithReachDistance ( World world , EntityPlayer player , double distance , boolean p1 , boolean p2 , boolean p3 ) {
float f = player . rotationPitch ;
float f1 = player . rotationYaw ;
double d0 = player . posX ;
double d1 = player . posY + ( double ) player . getEyeHeight ( ) ;
double d2 = player . posZ ;
Vec3d vec3 = new Vec3d ( d0 , d1 , d2 ) ;
float f2 = MathHelper . cos ( - f1 * 0 . 017453292F - ( float ) Math . PI ) ;
float f3 = MathHelper . sin ( - f1 * 0 . 017453292F - ( float ) Math . PI ) ;
float f4 = - MathHelper . cos ( - f * 0 . 017453292F ) ;
float f5 = MathHelper . sin ( - f * 0 . 017453292F ) ;
float f6 = f3 * f4 ;
float f7 = f2 * f4 ;
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Vec3d vec31 = vec3 . add ( ( double ) f6 * distance , ( double ) f5 * distance , ( double ) f7 * distance ) ;
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return world . rayTraceBlocks ( vec3 , vec31 , p1 , p2 , p3 ) ;
}
public static RayTraceResult getNearestBlockWithDefaultReachDistance ( World world , EntityPlayer player ) {
return getNearestBlockWithDefaultReachDistance ( world , player , false , true , false ) ;
}
public static RayTraceResult getNearestBlockWithDefaultReachDistance ( World world , EntityPlayer player , boolean stopOnLiquids , boolean ignoreBlockWithoutBoundingBox , boolean returnLastUncollidableBlock ) {
return getMovingObjectPosWithReachDistance ( world , player , player . getEntityAttribute ( EntityPlayer . REACH_DISTANCE ) . getAttributeValue ( ) , stopOnLiquids , ignoreBlockWithoutBoundingBox , returnLastUncollidableBlock ) ;
}
public static void setHandItemWithoutAnnoyingSound ( EntityPlayer player , EnumHand hand , ItemStack stack ) {
if ( hand = = EnumHand . MAIN_HAND ) {
player . inventory . mainInventory . set ( player . inventory . currentItem , stack ) ;
} else if ( hand = = EnumHand . OFF_HAND ) {
player . inventory . offHandInventory . set ( 0 , stack ) ;
}
}
//I think something is up with this, but I'm not entirely certain what.
public static float fireFakeHarvestEventsForDropChance ( NonNullList < ItemStack > drops , World world , BlockPos pos ) {
if ( world instanceof WorldServer ) {
FakePlayer fake = FakePlayerFactory . getMinecraft ( ( WorldServer ) world ) ;
IBlockState state = world . getBlockState ( pos ) ;
BreakEvent event = new BreakEvent ( world , pos , state , fake ) ;
if ( ! MinecraftForge . EVENT_BUS . post ( event ) ) { return ForgeEventFactory . fireBlockHarvesting ( drops , world , pos , state , 0 , 1 , false , fake ) ; }
}
return 0F ;
}
/ * *
* Tries to break a block as if this player had broken it . This is a complex operation .
* @param stack The player ' s current held stack , main hand .
* @param world The player ' s world .
* @param player The player that is breaking this block .
* @param pos The pos to break .
* @return If the break was successful .
* /
public static boolean breakExtraBlock ( ItemStack stack , World world , EntityPlayer player , BlockPos pos ) {
IBlockState state = world . getBlockState ( pos ) ;
Block block = state . getBlock ( ) ;
if ( player . capabilities . isCreativeMode ) {
if ( block . removedByPlayer ( state , world , pos , player , false ) ) {
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block . onPlayerDestroy ( world , pos , state ) ;
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}
// send update to client
if ( ! world . isRemote ) {
( ( EntityPlayerMP ) player ) . connection . sendPacket ( new SPacketBlockChange ( world , pos ) ) ;
}
return true ;
}
// callback to the tool the player uses. Called on both sides. This damages the tool n stuff.
stack . onBlockDestroyed ( world , state , pos , player ) ;
// server sided handling
if ( ! world . isRemote ) {
// send the blockbreak event
int xp = ForgeHooks . onBlockBreakEvent ( world , ( ( EntityPlayerMP ) player ) . interactionManager . getGameType ( ) , ( EntityPlayerMP ) player , pos ) ;
if ( xp = = - 1 ) return false ;
TileEntity tileEntity = world . getTileEntity ( pos ) ;
if ( block . removedByPlayer ( state , world , pos , player , true ) ) { // boolean is if block can be harvested, checked above
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block . onPlayerDestroy ( world , pos , state ) ;
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block . harvestBlock ( world , player , pos , state , tileEntity , stack ) ;
block . dropXpOnBlockBreak ( world , pos , xp ) ;
}
// always send block update to client
( ( EntityPlayerMP ) player ) . connection . sendPacket ( new SPacketBlockChange ( world , pos ) ) ;
return true ;
}
// client sided handling
else {
// clientside we do a "this block has been clicked on long enough to be broken" call. This should not send any new packets
// the code above, executed on the server, sends a block-updates that give us the correct state of the block we destroy.
// following code can be found in PlayerControllerMP.onPlayerDestroyBlock
world . playEvent ( 2001 , pos , Block . getStateId ( state ) ) ;
if ( block . removedByPlayer ( state , world , pos , player , true ) ) {
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block . onPlayerDestroy ( world , pos , state ) ;
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}
// callback to the tool
stack . onBlockDestroyed ( world , state , pos , player ) ;
// send an update to the server, so we get an update back
ActuallyAdditions . PROXY . sendBreakPacket ( pos ) ;
return true ;
}
}
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}