outputmessage.h

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Alex Alex Commit Client Upload Part 2 19/10/2026 00:06
1/*
2 * Copyright (c) 2010-2017 OTClient <https://github.com/edubart/otclient>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 * THE SOFTWARE.
21 */
22
23#ifndef OUTPUTMESSAGE_H
24#define OUTPUTMESSAGE_H
25
26#include "declarations.h"
27#include <framework/luaengine/luaobject.h>
28
29// @bindclass
30class OutputMessage : public LuaObject
31{
32public:
33 enum {
34 BUFFER_MAXSIZE = 327680,
35 MAX_STRING_LENGTH = 65536,
36 MAX_HEADER_SIZE = 12
37 };
38
39 OutputMessage();
40
41 void reset();
42
43 void setBuffer(const std::string& buffer);
44 std::string getBuffer() { return std::string((char*)m_buffer + m_headerPos, m_messageSize); }
45
46 void addU8(uint8 value);
47 void addU16(uint16 value);
48 void addU32(uint32 value);
49 void addU64(uint64 value);
50 void addString(const std::string& buffer);
51 void addRawString(const std::string& buffer);
52 void addPaddingBytes(int bytes, uint8 byte = 0);
53
54 void encryptRsa();
55
56 uint32 getWritePos() { return m_writePos; }
57 uint32 getMessageSize() { return m_messageSize; }
58
59 void setWritePos(uint32 writePos) { m_writePos = writePos; }
60 void setMessageSize(uint32 messageSize) { m_messageSize = messageSize; }
61
62protected:
63 uint8* getWriteBuffer() { return m_buffer + m_writePos; }
64 uint8* getHeaderBuffer() { return m_buffer + m_headerPos; }
65 uint8* getDataBuffer() { return m_buffer + MAX_HEADER_SIZE; }
66
67 void writeChecksum();
68 void writeSequence(uint32_t sequence);
69 void writeMessageSize(bool bigSize);
70
71 friend class Protocol;
72 friend class PacketPlayer;
73
74private:
75 bool canWrite(int bytes);
76 void checkWrite(int bytes);
77
78 uint32 m_headerPos;
79 uint32 m_writePos;
80 uint32 m_messageSize;
81 uint8 m_buffer[BUFFER_MAXSIZE];
82};
83
84#endif
85
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