1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "cPacket_MapChunk.h"
#include "../cChunk.h"
#include "zlib.h"
cPacket_MapChunk::~cPacket_MapChunk()
{
delete [] m_CompressedData;
}
cPacket_MapChunk::cPacket_MapChunk(cChunk * a_Chunk)
{
ASSERT(a_Chunk->IsValid());
m_PacketID = E_MAP_CHUNK;
#if (MINECRAFT_1_2_2 == 1 )
// ...
m_PosX = a_Chunk->GetPosX(); // Chunk coordinates now, instead of block coordinates
m_PosZ = a_Chunk->GetPosZ();
m_bContiguous = false;
m_BitMap1 = 0;
m_BitMap2 = 0;
m_UnusedInt = 0;
unsigned int DataSize = (cChunk::c_ChunkHeight/16) * (4096 + 2048 + 2048 + 2048);
char* AllData = new char[ DataSize ];
memset( AllData, 0, DataSize );
unsigned int iterator = 0;
for( int i = 0; i < (cChunk::c_ChunkHeight/16); ++i ) // Old world is only 8*16 high (should be 16*16)
{
m_BitMap1 |= (1 << i); // This tells what chunks are sent. Use this to NOT send air only chunks (right now everything is sent)
for( int y = 0; y < 16; ++y ) for( int z = 0; z < 16; ++z ) for( int x = 0; x < 16; ++x )
{
AllData[iterator] = a_Chunk->GetBlock( x, y+i*16, z );
++iterator;
}
}
//Send block metadata
for( int i = 0; i < (cChunk::c_ChunkHeight/16); ++i )
{
for( int y = 0; y < 16; ++y ) for( int z = 0; z < 16; ++z )
{
for( int x = 0; x < 8; ++x )
{
AllData[iterator] = a_Chunk->GetLight( a_Chunk->pGetMeta(), x*2+0, y+i*16, z ) | a_Chunk->GetLight( a_Chunk->pGetMeta(), x*2+1, y+i*16, z ) << 4;
++iterator;
}
}
}
//Send block light
for( int i = 0; i < (cChunk::c_ChunkHeight/16); ++i )
{
for( int y = 0; y < 16; ++y ) for( int z = 0; z < 16; ++z )
{
for( int x = 0; x < 8; ++x )
{
AllData[iterator] = a_Chunk->GetLight( a_Chunk->pGetLight(), x*2+0, y+i*16, z ) | a_Chunk->GetLight( a_Chunk->pGetLight(), x*2+1, y+i*16, z ) << 4;
++iterator;
}
}
}
//Send sky light
for( int i = 0; i < (cChunk::c_ChunkHeight/16); ++i )
{
for( int y = 0; y < 16; ++y ) for( int z = 0; z < 16; ++z )
{
for( int x = 0; x < 8; ++x )
{
AllData[iterator] = a_Chunk->GetLight( a_Chunk->pGetSkyLight(), x*2+0, y+i*16, z ) | a_Chunk->GetLight( a_Chunk->pGetSkyLight(), x*2+1, y+i*16, z ) << 4;
++iterator;
}
}
}
uLongf CompressedSize = compressBound( DataSize );
char * CompressedBlockData = new char[CompressedSize];
compress2( (Bytef*)CompressedBlockData, &CompressedSize, (const Bytef*)AllData, DataSize, Z_DEFAULT_COMPRESSION);
delete [] AllData;
m_CompressedData = CompressedBlockData;
m_CompressedSize = CompressedSize;
#else
m_PosX = a_Chunk->GetPosX() * cChunk::c_ChunkWidth; // It has to be block coordinates
m_PosY = (short)(a_Chunk->GetPosY() * cChunk::c_ChunkHeight);
m_PosZ = a_Chunk->GetPosZ() * cChunk::c_ChunkWidth;
m_SizeX = 15;
m_SizeY = 127;
m_SizeZ = 15;
uLongf CompressedSize = compressBound( cChunk::c_BlockDataSize );
char * CompressedBlockData = new char[CompressedSize];
compress2( (Bytef*)CompressedBlockData, &CompressedSize, (const Bytef*)a_Chunk->pGetBlockData(), cChunk::c_BlockDataSize, Z_DEFAULT_COMPRESSION);
m_CompressedData = CompressedBlockData;
m_CompressedSize = CompressedSize;
#endif
}
cPacket_MapChunk::cPacket_MapChunk( const cPacket_MapChunk & a_Copy )
{
m_PacketID = E_MAP_CHUNK;
#if (MINECRAFT_1_2_2 == 1 )
m_PosX = a_Copy.m_PosX;
m_PosZ = a_Copy.m_PosZ;
m_bContiguous = a_Copy.m_bContiguous;
m_BitMap1 = a_Copy.m_BitMap1;
m_BitMap2 = a_Copy.m_BitMap2;
m_CompressedSize = a_Copy.m_CompressedSize;
m_CompressedData = new char[m_CompressedSize];
memcpy( m_CompressedData, a_Copy.m_CompressedData, m_CompressedSize );
#else
m_PosX = a_Copy.m_PosX;
m_PosY = a_Copy.m_PosY;
m_PosZ = a_Copy.m_PosZ;
m_SizeX = a_Copy.m_SizeX;
m_SizeY = a_Copy.m_SizeY;
m_SizeZ = a_Copy.m_SizeZ;
m_CompressedSize = a_Copy.m_CompressedSize;
m_CompressedData = new char[m_CompressedSize];
memcpy( m_CompressedData, a_Copy.m_CompressedData, m_CompressedSize );
#endif
}
void cPacket_MapChunk::Serialize(AString & a_Data) const
{
AppendByte (a_Data, m_PacketID);
#if (MINECRAFT_1_2_2 == 1 )
AppendInteger(a_Data, m_PosX);
AppendInteger(a_Data, m_PosZ);
AppendBool (a_Data, m_bContiguous);
AppendShort (a_Data, m_BitMap1);
AppendShort (a_Data, m_BitMap2);
AppendInteger(a_Data, m_CompressedSize);
AppendInteger(a_Data, m_UnusedInt);
AppendData (a_Data, m_CompressedData, m_CompressedSize);
#else
AppendInteger(a_Data, m_PosX);
AppendShort (a_Data, m_PosY);
AppendInteger(a_Data, m_PosZ);
AppendByte (a_Data, m_SizeX);
AppendByte (a_Data, m_SizeY);
AppendByte (a_Data, m_SizeZ);
AppendInteger(a_Data, m_CompressedSize);
AppendData (a_Data, m_CompressedData, m_CompressedSize);
#endif
}
|
