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#include "stdafx.h"
#include <iostream>
#include "net.minecraft.h"
#include "net.minecraft.world.entity.player.h"
#include "PacketListener.h"
#include "ChatPacket.h"
// longest allowed string is "<" + name + "> " + message
const unsigned int ChatPacket::MAX_LENGTH = SharedConstants::maxChatLength + Player::MAX_NAME_LENGTH + 3;
ChatPacket::ChatPacket()
{
m_messageType = e_ChatCustom;
}
// Old chat packet constructor, adds message, custom data and additional message to arg vectors
ChatPacket::ChatPacket(const wstring& message, EChatPacketMessage type /*= e_ChatCustom*/, int customData /*= -1*/, const wstring& additionalMessage /*= L""*/)
{
m_messageType = type;
if (customData != -1) m_intArgs.push_back(customData);
if (message != L"" || additionalMessage != L"") m_stringArgs.push_back(message);
if (additionalMessage != L"") m_stringArgs.push_back(additionalMessage);
}
// Read chat packet (throws IOException)
void ChatPacket::read(DataInputStream *dis)
{
m_messageType = (EChatPacketMessage) dis->readShort();
short packedCounts = dis->readShort();
int stringCount = (packedCounts >> 4) & 0xF;
int intCount = (packedCounts >> 0) & 0xF;
for(int i = 0; i < stringCount; i++)
{
m_stringArgs.push_back(readUtf(dis, MAX_LENGTH));
}
for(int i = 0; i < intCount; i++)
{
m_intArgs.push_back(dis->readInt());
}
}
// Write chat packet (throws IOException)
void ChatPacket::write(DataOutputStream *dos)
{
dos->writeShort(m_messageType);
short packedCounts = 0;
packedCounts |= (m_stringArgs.size() & 0xF) << 4;
packedCounts |= (m_intArgs.size() & 0xF) << 0;
dos->writeShort(packedCounts);
for(int i = 0; i < m_stringArgs.size(); i++)
{
writeUtf(m_stringArgs[i], dos);
}
for(int i = 0; i < m_intArgs.size(); i++)
{
dos->writeInt(m_intArgs[i]);
}
}
// Handle chat packet
void ChatPacket::handle(PacketListener *listener)
{
listener->handleChat(shared_from_this());
}
// Get an estimated size of the packet
int ChatPacket::getEstimatedSize()
{
int stringsSize = 0;
for(int i = 0; i < m_stringArgs.size(); i++)
{
stringsSize += m_stringArgs[i].length();
}
return
sizeof(EChatPacketMessage) + // message type
sizeof(short) + // packed arg counts
stringsSize + // string args
(m_intArgs.size() * sizeof(int)); // int args
}
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