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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
// MapSerializer.cpp
#include "Globals.h"
#include "MapSerializer.h"
#include "OSSupport/GZipFile.h"
#include "FastNBT.h"
#include "../Map.h"
#include "../World.h"
cMapSerializer::cMapSerializer(const AString & a_WorldName, cMap * a_Map) :
m_Map(a_Map)
{
auto DataPath = fmt::format(FMT_STRING("{}{}data"), a_WorldName, cFile::PathSeparator());
m_Path = fmt::format(FMT_STRING("{}{}map_{}.dat"), DataPath, cFile::PathSeparator(), a_Map->GetID());
cFile::CreateFolder(DataPath);
}
bool cMapSerializer::Load()
{
const auto Data = GZipFile::ReadRestOfFile(m_Path);
const cParsedNBT NBT(Data.GetView());
if (!NBT.IsValid())
{
// NBT Parsing failed
return false;
}
return LoadMapFromNBT(NBT);
}
bool cMapSerializer::Save(void)
{
cFastNBTWriter Writer;
SaveMapToNBT(Writer);
Writer.Finish();
#ifndef NDEBUG
cParsedNBT TestParse(Writer.GetResult());
ASSERT(TestParse.IsValid());
#endif // !NDEBUG
GZipFile::Write(m_Path, Writer.GetResult());
return true;
}
void cMapSerializer::SaveMapToNBT(cFastNBTWriter & a_Writer)
{
a_Writer.BeginCompound("data");
a_Writer.AddByte("scale", static_cast<Byte>(m_Map->GetScale()));
a_Writer.AddByte("dimension", static_cast<Byte>(m_Map->GetDimension()));
a_Writer.AddShort("width", static_cast<Int16>(m_Map->GetWidth()));
a_Writer.AddShort("height", static_cast<Int16>(m_Map->GetHeight()));
a_Writer.AddInt("xCenter", m_Map->GetCenterX());
a_Writer.AddInt("zCenter", m_Map->GetCenterZ());
const cMap::cColorList & Data = m_Map->GetData();
a_Writer.AddByteArray("colors", reinterpret_cast<const char *>(Data.data()), Data.size());
a_Writer.EndCompound();
}
bool cMapSerializer::LoadMapFromNBT(const cParsedNBT & a_NBT)
{
int Data = a_NBT.FindChildByName(0, "data");
if (Data < 0)
{
return false;
}
int CurrLine = a_NBT.FindChildByName(Data, "scale");
if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_Byte))
{
unsigned int Scale = static_cast<unsigned int>(a_NBT.GetByte(CurrLine));
m_Map->SetScale(Scale);
}
CurrLine = a_NBT.FindChildByName(Data, "dimension");
if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_Byte))
{
eDimension Dimension = static_cast<eDimension>(a_NBT.GetByte(CurrLine));
if (Dimension != m_Map->m_World->GetDimension())
{
// TODO 2014-03-20 xdot: We should store nether maps in nether worlds, e.t.c.
return false;
}
}
CurrLine = a_NBT.FindChildByName(Data, "width");
if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_Short))
{
unsigned int Width = static_cast<unsigned int>(a_NBT.GetShort(CurrLine));
if (Width != 128)
{
return false;
}
m_Map->m_Width = Width;
}
CurrLine = a_NBT.FindChildByName(Data, "height");
if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_Short))
{
unsigned int Height = static_cast<unsigned int>(a_NBT.GetShort(CurrLine));
if (Height >= cChunkDef::Height)
{
return false;
}
m_Map->m_Height = Height;
}
CurrLine = a_NBT.FindChildByName(Data, "xCenter");
if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_Int))
{
int CenterX = a_NBT.GetInt(CurrLine);
m_Map->m_CenterX = CenterX;
}
CurrLine = a_NBT.FindChildByName(Data, "zCenter");
if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_Int))
{
int CenterZ = a_NBT.GetInt(CurrLine);
m_Map->m_CenterZ = CenterZ;
}
unsigned int NumPixels = m_Map->GetNumPixels();
m_Map->m_Data.resize(NumPixels);
CurrLine = a_NBT.FindChildByName(Data, "colors");
if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_ByteArray))
{
memcpy(m_Map->m_Data.data(), a_NBT.GetData(CurrLine), NumPixels);
}
return true;
}
cIDCountSerializer::cIDCountSerializer(const AString & a_WorldName) :
m_MapCount(0)
{
auto DataPath = fmt::format(FMT_STRING("{}{}data"), a_WorldName, cFile::PathSeparator());
m_Path = fmt::format(FMT_STRING("{}{}idcounts.dat"), DataPath, cFile::PathSeparator());
cFile::CreateFolder(DataPath);
}
bool cIDCountSerializer::Load()
{
AString Data = cFile::ReadWholeFile(m_Path);
if (Data.empty())
{
return false;
}
// NOTE: idcounts.dat is not compressed (raw format)
// Parse the NBT data:
cParsedNBT NBT({reinterpret_cast<const std::byte *>(Data.data()), Data.size()});
if (!NBT.IsValid())
{
// NBT Parsing failed
return false;
}
int CurrLine = NBT.FindChildByName(0, "map");
if (CurrLine >= 0)
{
m_MapCount = static_cast<unsigned int>(NBT.GetShort(CurrLine) + 1);
}
else
{
m_MapCount = 0;
}
return true;
}
bool cIDCountSerializer::Save(void)
{
cFastNBTWriter Writer;
if (m_MapCount > 0)
{
Writer.AddShort("map", static_cast<Int16>(m_MapCount - 1));
}
Writer.Finish();
#ifndef NDEBUG
cParsedNBT TestParse(Writer.GetResult());
ASSERT(TestParse.IsValid());
#endif // !NDEBUG
cFile File;
if (!File.Open(m_Path, cFile::fmWrite))
{
return false;
}
// NOTE: idcounts.dat is not compressed (raw format)
File.Write(Writer.GetResult().data(), Writer.GetResult().size());
File.Close();
return true;
}
|
