111 lines
3.1 KiB
Java
111 lines
3.1 KiB
Java
package Orebfuscator;
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import io.netty.channel.Channel;
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import java.lang.reflect.Field;
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import java.util.HashSet;
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import net.minecraft.block.Block;
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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.network.play.server.S23PacketBlockChange;
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import net.minecraft.world.World;
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public class BlockChange
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{
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public static Field fieldPositionX = null;
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public static Field fieldPositionY = null;
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public static Field fieldPositionZ = null;
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public static HashSet<Integer> list = new HashSet();
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public static int baseX;
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public static int baseY;
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public static int baseZ;
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public static int updateRadius = 2;
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public static int startPos;
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public static void parse(World world, Channel channel, S23PacketBlockChange packet)
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{
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if (fieldPositionX == null)
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{
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fieldPositionX = Fields.getField(packet, "field_148887_a");
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fieldPositionY = Fields.getField(packet, "field_148885_b");
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fieldPositionZ = Fields.getField(packet, "field_148886_c");
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}
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int x = (Integer) Fields.getValue(packet, fieldPositionX);
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int y = (Integer) Fields.getValue(packet, fieldPositionY);
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int z = (Integer) Fields.getValue(packet, fieldPositionZ);
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// èñïîëüçóåì áàçîâóþ òî÷êó, ÷òîáû â äàëüíåéøåì âûñ÷èòûâàòü ñìåùåíèÿ îáíîâëÿåìûõ áëîêîâ
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// ñìåùåíèÿ áóäåì ñâîäèòü â îäèí int è õðàíèòü â HashSet
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baseX = x - updateRadius;
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baseY = y - updateRadius;
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baseZ = z - updateRadius;
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x = updateRadius;
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y = updateRadius;
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z = updateRadius;
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startPos = (updateRadius << 16) | (updateRadius << 8) | updateRadius;
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list.clear();
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updateAjacentBlocks(world, updateRadius, updateRadius, updateRadius, updateRadius + 1);
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for (int pos : list)
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{
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x = baseX + (pos >> 16 & 255);
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y = baseY + (pos >> 8 & 255);
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z = baseZ + (pos & 255);
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world.markBlockForUpdate(x, y, z);
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}
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}
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public static boolean isTransparent(World world, int x, int y, int z)
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{
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int pos = (x << 16) | (y << 8) | z;
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if (pos == startPos)
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return false;
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Block block = world.getBlock(baseX + x, baseY + y, baseZ + z);
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return Options.isBlockTransparent(Block.getIdFromBlock(block));
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}
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public static boolean needUpdate(World world, int x, int y, int z)
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{
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int pos = (x << 16) | (y << 8) | z;
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if (pos == startPos)
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return false;
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return !(
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isTransparent(world, x - 1, y, z) || isTransparent(world, x + 1, y, z) ||
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isTransparent(world, x, y - 1, z) || isTransparent(world, x, y + 1, z) ||
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isTransparent(world, x, y, z - 1) || isTransparent(world, x, y, z + 1)
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);
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}
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public static boolean updateAjacentBlocks(World world, int x, int y, int z, int step)
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{
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if (step == 0)
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return false;
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int pos = (x << 16) | (y << 8) | z;
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if (list.contains(pos))
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return false;
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if (needUpdate(world, x, y, z))
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list.add(pos);
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step--;
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updateAjacentBlocks(world, x - 1, y, z, step);
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updateAjacentBlocks(world, x + 1, y, z, step);
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updateAjacentBlocks(world, x, y - 1, z, step);
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updateAjacentBlocks(world, x, y + 1, z, step);
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updateAjacentBlocks(world, x, y, z - 1, step);
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updateAjacentBlocks(world, x, y, z + 1, step);
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return true;
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}
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}
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