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BitAccess.java
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BitAccess.java
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package mod.chiselsandbits.core.api;
import java.util.HashMap;
import java.util.Map;
import mod.chiselsandbits.api.APIExceptions.SpaceOccupied;
import mod.chiselsandbits.api.BitQueryResults;
import mod.chiselsandbits.api.IBitAccess;
import mod.chiselsandbits.api.IBitBrush;
import mod.chiselsandbits.api.IBitVisitor;
import mod.chiselsandbits.api.ItemType;
import mod.chiselsandbits.chiseledblock.BlockChiseled;
import mod.chiselsandbits.chiseledblock.NBTBlobConverter;
import mod.chiselsandbits.chiseledblock.TileEntityBlockChiseled;
import mod.chiselsandbits.chiseledblock.data.BitIterator;
import mod.chiselsandbits.chiseledblock.data.VoxelBlob;
import mod.chiselsandbits.chiseledblock.data.VoxelBlob.BlobStats;
import mod.chiselsandbits.chiseledblock.data.VoxelBlobStateReference;
import mod.chiselsandbits.client.UndoTracker;
import mod.chiselsandbits.core.ChiselsAndBits;
import mod.chiselsandbits.helpers.ModUtil;
import net.minecraft.block.state.IBlockState;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
public class BitAccess implements IBitAccess
{
private final World world;
private final BlockPos pos;
private final VoxelBlob blob;
private final VoxelBlob filler;
private final Map<Integer, IBitBrush> brushes = new HashMap<Integer, IBitBrush>();
public VoxelBlob getNativeBlob()
{
return blob;
}
public BitAccess(
final World worldIn,
final BlockPos pos,
final VoxelBlob blob,
final VoxelBlob filler )
{
world = worldIn;
this.pos = pos;
this.blob = blob;
this.filler = filler;
}
@Override
public IBitBrush getBitAt(
final int x,
final int y,
final int z )
{
return getBrushForState( blob.getSafe( x, y, z ) );
}
private IBitBrush getBrushForState(
final int state )
{
IBitBrush brush = brushes.get( state );
if ( brush == null )
{
brushes.put( state, brush = new BitBrush( state ) );
}
return brush;
}
@Override
public void setBitAt(
int x,
int y,
int z,
final IBitBrush bit ) throws SpaceOccupied
{
int state = 0;
if ( bit instanceof BitBrush )
{
state = bit.getStateID();
}
// make sure that they are only 0-15
x = x & 0xf;
y = y & 0xf;
z = z & 0xf;
if ( filler.get( x, y, z ) == 0 )
{
blob.set( x, y, z, state );
}
else
{
throw new SpaceOccupied();
}
}
@Override
public void commitChanges(
final boolean triggerUpdates )
{
TileEntityBlockChiseled tile = ModUtil.getChiseledTileEntity( world, pos, true );
final BlobStats cb = blob.getVoxelStats();
if ( tile == null && BlockChiseled.replaceWithChisled( world, pos, world.getBlockState( pos ), cb.mostCommonState, false ) )
{
tile = ModUtil.getChiseledTileEntity( world, pos, true );
}
if ( tile != null )
{
final VoxelBlobStateReference before = tile.getBlobStateReference();
tile.setBlob( blob, triggerUpdates );
final VoxelBlobStateReference after = tile.getBlobStateReference();
UndoTracker.getInstance().add( world, pos, before, after );
}
}
@Override
public void commitChanges()
{
commitChanges( true );
}
@Override
public ItemStack getBitsAsItem(
final EnumFacing side,
final ItemType type,
final boolean crossWorld )
{
if ( type == null )
{
return ModUtil.getEmptyStack();
}
final BlobStats cb = blob.getVoxelStats();
if ( cb.mostCommonState == 0 )
{
return ModUtil.getEmptyStack();
}
final NBTBlobConverter c = new NBTBlobConverter();
c.setBlob( blob );
final NBTTagCompound nbttagcompound = new NBTTagCompound();
c.writeChisleData( nbttagcompound, crossWorld );
final ItemStack stack;
if ( type == ItemType.CHISLED_BLOCK )
{
final IBlockState state = ModUtil.getStateById( cb.mostCommonState );
final BlockChiseled blk = ChiselsAndBits.getBlocks().getConversion( state );
if ( blk == null )
{
return ModUtil.getEmptyStack();
}
stack = new ItemStack( blk, 1 );
stack.setTagInfo( ModUtil.NBT_BLOCKENTITYTAG, nbttagcompound );
}
else
{
switch ( type )
{
case MIRROR_DESIGN:
stack = new ItemStack( ChiselsAndBits.getItems().itemMirrorprint );
break;
case NEGATIVE_DESIGN:
stack = new ItemStack( ChiselsAndBits.getItems().itemNegativeprint );
break;
case POSITIVE_DESIGN:
stack = new ItemStack( ChiselsAndBits.getItems().itemPositiveprint );
break;
default:
return ModUtil.getEmptyStack();
}
stack.setTagCompound( nbttagcompound );
}
if ( side != null )
{
ModUtil.setSide( stack, side );
}
return stack;
}
@Override
public ItemStack getBitsAsItem(
final EnumFacing side,
final ItemType type )
{
return getBitsAsItem( side, type, false );
}
@Override
public void visitBits(
final IBitVisitor visitor )
{
final BitIterator bi = new BitIterator();
IBitBrush brush = getBrushForState( 0 );
while ( bi.hasNext() )
{
if ( bi.getNext( filler ) == 0 )
{
final int stateID = bi.getNext( blob );
// Most blocks are mostly the same bit type, so if it dosn't
// change just keep the current brush, only if they differ
// should we bother looking it up again.
if ( stateID != brush.getStateID() )
{
brush = getBrushForState( stateID );
}
final IBitBrush after = visitor.visitBit( bi.x, bi.y, bi.z, brush );
if ( brush != after )
{
if ( after == null )
{
bi.setNext( blob, 0 );
}
else
{
bi.setNext( blob, after.getStateID() );
}
}
}
}
}
@Override
public BitQueryResults queryBitRange(
final BlockPos a,
final BlockPos b )
{
int air = 0, fluid = 0, solid = 0;
final BitIterator bi = new BitIterator( a, b );
while ( bi.hasNext() )
{
final int state = bi.getNext( blob );
if ( state == 0 )
{
++air;
}
else if ( VoxelBlob.isFluid( state ) )
{
++fluid;
}
else
{
++solid;
}
}
return new BitQueryResults( air, solid, fluid );
}
}