surrround

import java.util.Collections;
import java.util.List;
import me.zeroeightsix.kami.command.Command;
import me.zeroeightsix.kami.module.Module;
import me.zeroeightsix.kami.module.Module.Info;
import me.zeroeightsix.kami.module.ModuleManager;
import me.zeroeightsix.kami.setting.Setting;
import me.zeroeightsix.kami.setting.Settings;
import me.zeroeightsix.kami.util.BlockInteractionHelper;
import me.zeroeightsix.kami.util.Wrapper;
import net.minecraft.block.Block;
import net.minecraft.entity.Entity;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.network.Packet;
import net.minecraft.network.play.client.CPacketEntityAction;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Vec3d;
import net.minecraft.util.math.Vec3i;

@Info(name = "Surround", category = Module.Category.COMBAT)
public class Surround
  extends Module {
  private final Vec3d[] surroundList = new Vec3d[] { new Vec3d(0.0D, 0.0D, 0.0D), new Vec3d(1.0D, 0.0D, 0.0D), new Vec3d(1.0D, 1.0D, 0.0D), new Vec3d(0.0D, 0.0D, 1.0D), new Vec3d(0.0D, 1.0D, 1.0D), new Vec3d(-1.0D, 0.0D, 0.0D), new Vec3d(-1.0D, 1.0D, 0.0D), new Vec3d(0.0D, 0.0D, -1.0D), new Vec3d(0.0D, 1.0D, -1.0D) };
  private final Vec3d[] surroundListFull = new Vec3d[] { new Vec3d(0.0D, 0.0D, 0.0D), new Vec3d(1.0D, 0.0D, 0.0D), new Vec3d(1.0D, 1.0D, 0.0D), new Vec3d(1.0D, 0.0D, 1.0D), new Vec3d(1.0D, 1.0D, 1.0D), new Vec3d(0.0D, 0.0D, 1.0D), new Vec3d(0.0D, 1.0D, 1.0D), new Vec3d(-1.0D, 0.0D, 1.0D), new Vec3d(-1.0D, 1.0D, 1.0D), new Vec3d(-1.0D, 0.0D, 0.0D), new Vec3d(-1.0D, 1.0D, 0.0D), new Vec3d(-1.0D, 0.0D, -1.0D), new Vec3d(-1.0D, 1.0D, -1.0D), new Vec3d(0.0D, 0.0D, -1.0D), new Vec3d(0.0D, 1.0D, -1.0D), new Vec3d(1.0D, 0.0D, -1.0D), new Vec3d(1.0D, 1.0D, -1.0D) };
  private final List obsidian;
  private Setting toggleable;
  private Setting slowmode;
  private Setting full;
  private Vec3d[] surroundTargets;
  private BlockPos basePos;
  private boolean slowModeSwitch;
  private int blocksPerTick;
  private int offsetStep;
  private int oldSlot;

  public Surround() {
    this.obsidian = Collections.singletonList(Blocks.OBSIDIAN);
    this.toggleable = register(Settings.b("Toggleable", true));
    this.slowmode = register(Settings.b("Slow", false));
    this.full = register(Settings.b("Full", false));
    this.slowModeSwitch = false;
    this.blocksPerTick = 3;
    this.offsetStep = 0;
    this.oldSlot = 0;
  }

  public void onUpdate() {
    if (!isDisabled() && mc.player != null && !ModuleManager.isModuleEnabled("Freecam")) {
      if (this.slowModeSwitch) {
        this.slowModeSwitch = false;
      } else {
        if (this.offsetStep == 0) {
          init();
        }

        for (int i = 0; i < this.blocksPerTick; i++) {
          if (this.offsetStep >= this.surroundTargets.length) {
            end();

            return;
          }
          Vec3d offset = this.surroundTargets[this.offsetStep];
          placeBlock(new BlockPos((Vec3i)this.basePos.add(offset.x, offset.y, offset.z)));
          this.offsetStep++;
        }

        this.slowModeSwitch = true;
      }
    }
  }

  private void placeBlock(BlockPos blockPos) {
    if (Wrapper.getWorld().getBlockState(blockPos).getMaterial().isReplaceable()) {
      int newSlot = -1;

      for (int i = 0; i < 9; i++) {
        ItemStack stack = (Wrapper.getPlayer()).inventory.getStackInSlot(i);
        if (stack != ItemStack.EMPTY && stack.getItem() instanceof ItemBlock) {
          Block block = ((ItemBlock)stack.getItem()).getBlock();
          if (!BlockInteractionHelper.blackList.contains(block) && !(block instanceof net.minecraft.block.BlockContainer) && Block.getBlockFromItem(stack.getItem()).getDefaultState().isFullBlock() && (!(((ItemBlock)stack.getItem()).getBlock() instanceof net.minecraft.block.BlockFalling) || !Wrapper.getWorld().getBlockState(blockPos.down()).getMaterial().isReplaceable()) && this.obsidian.contains(block)) {
            newSlot = i;

            break;
          }
        }
      }
      if (newSlot == -1) {
        if (!((Boolean)this.toggleable.getValue()).booleanValue()) {
          Command.sendChatMessage("Surround: Please Put Obsidian in Hotbar");
        }

        end();
      } else {
        (Wrapper.getPlayer()).inventory.currentItem = newSlot;
        if (BlockInteractionHelper.checkForNeighbours(blockPos)) {
          BlockInteractionHelper.placeBlockScaffold(blockPos);
        }
      }
    }
  }

  private void init() {
    this.basePos = (new BlockPos(mc.player.getPositionVector())).down();
    if (((Boolean)this.slowmode.getValue()).booleanValue()) {
      this.blocksPerTick = 1;
    }

    if (((Boolean)this.full.getValue()).booleanValue()) {
      this.surroundTargets = this.surroundListFull;
    } else {
      this.surroundTargets = this.surroundList;
    }
  }


  private void end() {
    this.offsetStep = 0;
    if (!((Boolean)this.toggleable.getValue()).booleanValue()) {
      disable();
    }
  }


  protected void onEnable() {
    mc.player.connection.sendPacket((Packet)new CPacketEntityAction((Entity)mc.player, CPacketEntityAction.Action.START_SNEAKING));
    this.oldSlot = (Wrapper.getPlayer()).inventory.currentItem;
  }

  protected void onDisable() {
    mc.player.connection.sendPacket((Packet)new CPacketEntityAction((Entity)mc.player, CPacketEntityAction.Action.STOP_SNEAKING));
    (Wrapper.getPlayer()).inventory.currentItem = this.oldSlot;
  }
}