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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 de.ellpeck.actuallyadditions.mod.ActuallyAdditions ;
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import de.ellpeck.actuallyadditions.mod.ActuallyAdditionsClient ;
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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.BlockState ;
import net.minecraft.block.Blocks ;
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import net.minecraft.block.material.Material ;
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import net.minecraft.entity.item.ItemEntity ;
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import net.minecraft.entity.player.PlayerEntity ;
import net.minecraft.entity.player.ServerPlayerEntity ;
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import net.minecraft.item.ItemStack ;
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import net.minecraft.item.Items ;
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import net.minecraft.state.properties.BlockStateProperties ;
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import net.minecraft.tileentity.TileEntity ;
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import net.minecraft.util.Direction ;
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import net.minecraft.util.Hand ;
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import net.minecraft.util.math.BlockPos ;
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import net.minecraft.util.math.BlockRayTraceResult ;
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import net.minecraft.util.math.MathHelper ;
import net.minecraft.util.math.RayTraceResult ;
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import net.minecraft.util.math.vector.Vector3d ;
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import net.minecraft.world.World ;
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import net.minecraft.world.server.ServerWorld ;
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import net.minecraftforge.common.ForgeHooks ;
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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.common.util.LazyOptional ;
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import net.minecraftforge.energy.CapabilityEnergy ;
import net.minecraftforge.energy.IEnergyStorage ;
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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 java.util.ArrayList ;
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import java.util.List ;
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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 ) ;
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if ( ! ItemStack . matches ( remaining , theoreticalExtract ) ) {
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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 ) {
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ItemStack extracted = ItemStack . EMPTY ;
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if ( ActuallyAdditions . commonCapsLoaded ) {
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/ * Object handler = extractWrapper . getSlotlessHandler ( ) ;
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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
}
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} * /
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}
if ( ! StackUtil . isValid ( extracted ) ) {
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/ * IItemHandler handler = extractWrapper . getNormalHandler ( ) ;
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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 ;
}
}
}
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} * /
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}
return extracted ;
}
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public static void doEnergyInteraction ( TileEntity tileFrom , TileEntity tileTo , Direction sideTo , int maxTransfer ) {
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if ( maxTransfer > 0 ) {
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Direction opp = sideTo = = null
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? null
: sideTo . getOpposite ( ) ;
LazyOptional < IEnergyStorage > handlerFrom = tileFrom . getCapability ( CapabilityEnergy . ENERGY , sideTo ) ;
LazyOptional < IEnergyStorage > handlerTo = tileTo . getCapability ( CapabilityEnergy . ENERGY , opp ) ;
handlerFrom . ifPresent ( ( from ) - > {
handlerTo . ifPresent ( ( to ) - > {
int drain = from . extractEnergy ( maxTransfer , true ) ;
if ( drain > 0 ) {
int filled = to . receiveEnergy ( drain , false ) ;
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from . extractEnergy ( filled , false ) ;
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}
} ) ;
} ) ;
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}
}
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public static void doFluidInteraction ( TileEntity tileFrom , TileEntity tileTo , Direction sideTo , int maxTransfer ) {
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if ( maxTransfer > 0 ) {
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LazyOptional < IFluidHandler > optionalFrom = tileFrom . getCapability ( CapabilityFluidHandler . FLUID_HANDLER_CAPABILITY , sideTo ) ;
LazyOptional < IFluidHandler > optionalTo = tileTo . getCapability ( CapabilityFluidHandler . FLUID_HANDLER_CAPABILITY , sideTo . getOpposite ( ) ) ;
optionalFrom . ifPresent ( ( from ) - > {
optionalTo . ifPresent ( ( to ) - > {
FluidStack drain = from . drain ( maxTransfer , IFluidHandler . FluidAction . SIMULATE ) ;
if ( ! drain . isEmpty ( ) ) {
int filled = to . fill ( drain . copy ( ) , IFluidHandler . FluidAction . EXECUTE ) ;
from . drain ( filled , IFluidHandler . FluidAction . EXECUTE ) ;
}
} ) ;
} ) ;
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}
}
/ * *
* 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 world The World
* @return Is every block present ?
* /
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public static boolean hasBlocksInPlacesGiven ( BlockPos [ ] positions , Block block , World world ) {
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for ( BlockPos pos : positions ) {
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BlockState state = world . getBlockState ( pos ) ;
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if ( ! ( state . getBlock ( ) = = block ) ) {
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return false ;
}
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}
return true ;
}
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public static ItemStack useItemAtSide ( Direction side , World world , BlockPos pos , ItemStack stack ) {
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if ( world instanceof ServerWorld & & StackUtil . isValid ( stack ) & & pos ! = null ) {
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BlockPos offsetPos = pos . relative ( side ) ;
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BlockState state = world . getBlockState ( offsetPos ) ;
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Block block = state . getBlock ( ) ;
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boolean replaceable = false ; //= block.canBeReplaced(world, offsetPos); //TODO
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//Redstone
if ( replaceable & & stack . getItem ( ) = = Items . REDSTONE ) {
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world . setBlock ( offsetPos , Blocks . REDSTONE_WIRE . defaultBlockState ( ) , 2 ) ;
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return StackUtil . shrink ( stack , 1 ) ;
}
//Plants
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/ * if ( replaceable & & stack . getItem ( ) instanceof IPlantable ) { //TODO
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if ( ( ( IPlantable ) stack . getItem ( ) ) . getPlant ( world , offsetPos ) . getBlock ( ) . canPlaceBlockAt ( world , offsetPos ) ) {
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if ( world . setBlock ( offsetPos , ( ( IPlantable ) stack . getItem ( ) ) . getPlant ( world , offsetPos ) , 2 ) ) {
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return StackUtil . shrink ( stack , 1 ) ;
}
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}
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} * /
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//Everything else
try {
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FakePlayer fake = FakePlayerFactory . getMinecraft ( ( ServerWorld ) world ) ;
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if ( fake . connection = = null ) {
fake . connection = new NetHandlerSpaghettiServer ( fake ) ;
}
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//ItemStack heldBefore = fake.getMainHandItem();
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setHandItemWithoutAnnoyingSound ( fake , Hand . MAIN_HAND , stack . copy ( ) ) ;
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BlockRayTraceResult ray = new BlockRayTraceResult ( new Vector3d ( 0 . 5 , 0 . 5 , 0 . 5 ) , side . getOpposite ( ) , offsetPos , true ) ;
fake . gameMode . useItemOn ( fake , world , fake . getMainHandItem ( ) , Hand . MAIN_HAND , ray ) ;
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ItemStack result = fake . getItemInHand ( Hand . MAIN_HAND ) ;
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//setHandItemWithoutAnnoyingSound(fake, Hand.MAIN_HAND, heldBefore);
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return result ;
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} catch ( Exception e ) {
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ActuallyAdditions . LOGGER . error ( " Something that places Blocks at " + offsetPos . getX ( ) + " , " + offsetPos . getY ( ) + " , " + offsetPos . getZ ( ) + " in World " + world . dimension ( ) + " threw an Exception! Don't let that happen again! " , e ) ;
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}
}
return stack ;
}
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public static boolean dropItemAtSide ( Direction side , World world , BlockPos pos , ItemStack stack ) {
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BlockPos coords = pos . relative ( side ) ;
if ( world . hasChunkAt ( coords ) ) {
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ItemEntity item = new ItemEntity ( world , coords . getX ( ) + 0 . 5 , coords . getY ( ) + 0 . 5 , coords . getZ ( ) + 0 . 5 , stack ) ;
item . setDeltaMovement ( 0 , 0 , 0 ) ;
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return world . addFreshEntity ( item ) ;
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}
return false ;
}
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public static Direction getDirectionBySidesInOrder ( int side ) {
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switch ( side ) {
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case 0 :
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return Direction . UP ;
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case 1 :
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return Direction . DOWN ;
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case 2 :
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return Direction . NORTH ;
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case 3 :
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return Direction . EAST ;
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case 4 :
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return Direction . SOUTH ;
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default :
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return Direction . WEST ;
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}
}
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public static Direction getDirectionByPistonRotation ( BlockState state ) {
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return state . getValue ( BlockStateProperties . FACING ) ;
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}
public static ArrayList < Material > getMaterialsAround ( World world , BlockPos pos ) {
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ArrayList < Material > blocks = new ArrayList < > ( ) ;
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blocks . add ( world . getBlockState ( pos . relative ( Direction . NORTH ) ) . getMaterial ( ) ) ;
blocks . add ( world . getBlockState ( pos . relative ( Direction . EAST ) ) . getMaterial ( ) ) ;
blocks . add ( world . getBlockState ( pos . relative ( Direction . SOUTH ) ) . getMaterial ( ) ) ;
blocks . add ( world . getBlockState ( pos . relative ( Direction . WEST ) ) . getMaterial ( ) ) ;
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return blocks ;
}
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public static RayTraceResult getNearestPositionWithAir ( World world , PlayerEntity player , int reach ) {
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return getMovingObjectPosWithReachDistance ( world , player , reach , false , false , true ) ;
}
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private static RayTraceResult getMovingObjectPosWithReachDistance ( World world , PlayerEntity player , double distance , boolean p1 , boolean p2 , boolean p3 ) {
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float f = player . xRot ;
float f1 = player . yRot ;
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double d0 = player . position ( ) . x ;
double d1 = player . position ( ) . y + player . getEyeHeight ( ) ;
double d2 = player . position ( ) . z ;
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Vector3d vec3 = new Vector3d ( d0 , d1 , d2 ) ;
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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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Vector3d vec31 = vec3 . add ( f6 * distance , f5 * distance , f7 * distance ) ;
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//return world.clipWithInteractionOverride(vec3, vec31, p1, p2, p3); //TODO
return new BlockRayTraceResult ( Vector3d . ZERO , Direction . DOWN , BlockPos . ZERO , false ) ;
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}
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public static RayTraceResult getNearestBlockWithDefaultReachDistance ( World world , PlayerEntity player ) {
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return getNearestBlockWithDefaultReachDistance ( world , player , false , true , false ) ;
}
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public static RayTraceResult getNearestBlockWithDefaultReachDistance ( World world , PlayerEntity player , boolean stopOnLiquids , boolean ignoreBlockWithoutBoundingBox , boolean returnLastUncollidableBlock ) {
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return new BlockRayTraceResult ( Vector3d . ZERO , Direction . DOWN , BlockPos . ZERO , false ) ; //TODO
//return getMovingObjectPosWithReachDistance(world, player, player.getAttribute(PlayerEntity.REACH_DISTANCE).getAttributeValue(), stopOnLiquids, ignoreBlockWithoutBoundingBox, returnLastUncollidableBlock);
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}
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public static void setHandItemWithoutAnnoyingSound ( PlayerEntity player , Hand hand , ItemStack stack ) {
if ( hand = = Hand . MAIN_HAND ) {
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player . inventory . items . set ( player . inventory . selected , stack ) ;
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} else if ( hand = = Hand . OFF_HAND ) {
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player . inventory . offhand . set ( 0 , stack ) ;
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}
}
//I think something is up with this, but I'm not entirely certain what.
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public static float fireFakeHarvestEventsForDropChance ( TileEntity caller , List < ItemStack > drops , World world , BlockPos pos ) {
if ( world instanceof ServerWorld ) {
FakePlayer fake = FakePlayerFactory . getMinecraft ( ( ServerWorld ) world ) ;
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BlockPos tePos = caller . getBlockPos ( ) ;
fake . setPos ( tePos . getX ( ) + 0 . 5 , tePos . getY ( ) + 0 . 5 , tePos . getZ ( ) + 0 . 5 ) ;
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BlockState state = world . getBlockState ( pos ) ;
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BreakEvent event = new BreakEvent ( world , pos , state , fake ) ;
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if ( ! MinecraftForge . EVENT_BUS . post ( event ) ) {
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//return ForgeEventFactory.fireBlockHarvesting(drops, world, pos, state, 0, 1, false, fake); //TODO what?!
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}
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}
return 0F ;
}
/ * *
* Tries to break a block as if this player had broken it . This is a complex operation .
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*
* @param stack The player ' s current held stack , main hand .
* @param world The player ' s world .
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* @param player The player that is breaking this block .
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* @param pos The pos to break .
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* @return If the break was successful .
* /
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public static boolean breakExtraBlock ( ItemStack stack , World world , PlayerEntity player , BlockPos pos ) {
BlockState state = world . getBlockState ( pos ) ;
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Block block = state . getBlock ( ) ;
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if ( player . isCreative ( ) ) {
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if ( block . removedByPlayer ( state , world , pos , player , false , state . getFluidState ( ) ) ) {
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block . destroy ( world , pos , state ) ;
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}
// send update to client
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if ( ! world . isClientSide ) {
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//((ServerPlayerEntity) player).connection.send(new SPacketBlockChange(world, pos)); //TODO dunno what this is
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}
return true ;
}
// callback to the tool the player uses. Called on both sides. This damages the tool n stuff.
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stack . mineBlock ( world , state , pos , player ) ;
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// server sided handling
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if ( ! world . isClientSide ) {
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// send the blockbreak event
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int xp = ForgeHooks . onBlockBreakEvent ( world , ( ( ServerPlayerEntity ) player ) . gameMode . getGameModeForPlayer ( ) , ( ServerPlayerEntity ) player , pos ) ;
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if ( xp = = - 1 ) {
return false ;
}
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TileEntity tileEntity = world . getBlockEntity ( pos ) ;
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if ( block . removedByPlayer ( state , world , pos , player , true , state . getFluidState ( ) ) ) { // boolean is if block can be harvested, checked above
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block . destroy ( world , pos , state ) ;
block . playerDestroy ( world , player , pos , state , tileEntity , stack ) ;
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block . popExperience ( ( ( ServerWorld ) world ) , pos , xp ) ;
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}
// always send block update to client
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//((ServerPlayerEntity) player).connection.send(new SPacketBlockChange(world, pos)); //TODO how
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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
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world . levelEvent ( 2001 , pos , Block . getId ( state ) ) ;
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if ( block . removedByPlayer ( state , world , pos , player , true , state . getFluidState ( ) ) ) {
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block . destroy ( world , pos , state ) ;
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}
// callback to the tool
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stack . mineBlock ( world , state , pos , player ) ;
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// send an update to the server, so we get an update back
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ActuallyAdditionsClient . sendBreakPacket ( pos ) ;
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return true ;
}
}
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}