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