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Prevent Misuse Packets

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Kam committed 2023-09-08 20:34:48 -04:00
1 parent b61090f996
commit 7ef509b71c
1 file changed
+37 -26
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src/main/java/noppes/npcs/PacketHandlerPlayer.java
+37 -26
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@@ -12,6 +12,7 @@ import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagString;
import net.minecraft.network.NetHandlerPlayServer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.chunk.Chunk;
import noppes.npcs.blocks.tiles.TileBigSign;
import noppes.npcs.blocks.tiles.TileBook;
import noppes.npcs.constants.*;
@@ -273,36 +274,46 @@ public class PacketHandlerPlayer{
}
else if(type == EnumPlayerPacket.SignSave){
int x = buffer.readInt(), y = buffer.readInt(), z = buffer.readInt();
TileEntity tile = player.worldObj.getTileEntity(x, y, z);
if(tile == null || !(tile instanceof TileBigSign))
return;
TileBigSign sign = (TileBigSign) tile;
if(sign.canEdit){
sign.setText(Server.readString(buffer));
sign.canEdit = false;
player.worldObj.markBlockForUpdate(x, y, z);
Chunk chunk = new Chunk(player.worldObj,x,z);
if (chunk.isChunkLoaded) {
if (player.worldObj.blockExists(x,y,z)) {
TileEntity tile = player.worldObj.getTileEntity(x, y, z);
if (tile == null || !(tile instanceof TileBigSign))
return;
TileBigSign sign = (TileBigSign) tile;
if (sign.canEdit) {
sign.setText(Server.readString(buffer));
sign.canEdit = false;
player.worldObj.markBlockForUpdate(x, y, z);
}
}
}
}
else if(type == EnumPlayerPacket.SaveBook){
int x = buffer.readInt(), y = buffer.readInt(), z = buffer.readInt();
TileEntity tileentity = player.worldObj.getTileEntity(x, y, z);
if(!(tileentity instanceof TileBook))
return;
TileBook tile = (TileBook) tileentity;
if(tile.book.getItem() == Items.written_book)
return;
boolean sign = buffer.readBoolean();
ItemStack book = ItemStack.loadItemStackFromNBT(Server.readNBT(buffer));
if(book == null)
return;
if(book.getItem() == Items.writable_book && !sign && ItemWritableBook.func_150930_a(book.getTagCompound())){
tile.book.setTagInfo("pages", book.getTagCompound().getTagList("pages", 8));
}
if(book.getItem() == Items.written_book && sign && ItemEditableBook.validBookTagContents(book.getTagCompound())){
tile.book.setTagInfo("author", new NBTTagString(player.getCommandSenderName()));
tile.book.setTagInfo("title", new NBTTagString(book.getTagCompound().getString("title")));
tile.book.setTagInfo("pages", book.getTagCompound().getTagList("pages", 8));
tile.book.func_150996_a(Items.written_book);
Chunk chunk = new Chunk(player.worldObj,x,z);
if (chunk.isChunkLoaded) {
if (player.worldObj.blockExists(x,y,z)) {
TileEntity tileentity = player.worldObj.getTileEntity(x, y, z);
if (!(tileentity instanceof TileBook))
return;
TileBook tile = (TileBook) tileentity;
if (tile.book.getItem() == Items.written_book)
return;
boolean sign = buffer.readBoolean();
ItemStack book = ItemStack.loadItemStackFromNBT(Server.readNBT(buffer));
if (book == null)
return;
if (book.getItem() == Items.writable_book && !sign && ItemWritableBook.func_150930_a(book.getTagCompound())) {
tile.book.setTagInfo("pages", book.getTagCompound().getTagList("pages", 8));
}
if (book.getItem() == Items.written_book && sign && ItemEditableBook.validBookTagContents(book.getTagCompound())) {
tile.book.setTagInfo("author", new NBTTagString(player.getCommandSenderName()));
tile.book.setTagInfo("title", new NBTTagString(book.getTagCompound().getString("title")));
tile.book.setTagInfo("pages", book.getTagCompound().getTagList("pages", 8));
tile.book.func_150996_a(Items.written_book);
}
}
}
}
}