ocrm.bsky.social
the game where you go into mines and start crafting! but for consoles (forked directly from smartcmd's github)
1#include "stdafx.h"
2
3#include "..\Minecraft.World\StringHelpers.h"
4#include "..\Minecraft.World\compression.h"
5
6#include "ArchiveFile.h"
7
8void ArchiveFile::_readHeader(DataInputStream *dis)
9{
10 int numberOfFiles = dis->readInt();
11
12 for (int i = 0; i < numberOfFiles; i++)
13 {
14 MetaData *meta = new MetaData();
15 meta->filename = dis->readUTF();
16 meta->ptr = dis->readInt();
17 meta->filesize = dis->readInt();
18
19 // Filenames preceeded by an asterisk have been compressed.
20 if (meta->filename[0] == '*')
21 {
22 meta->filename = meta->filename.substr(1);
23 meta->isCompressed = true;
24 }
25 else meta->isCompressed = false;
26
27 m_index.insert( pair<wstring,PMetaData>(meta->filename,meta) );
28 }
29}
30
31ArchiveFile::ArchiveFile(File file)
32{
33 m_cachedData = NULL;
34 m_sourcefile = file;
35 app.DebugPrintf("Loading archive file...\n");
36#ifndef _CONTENT_PACKAGE
37 char buf[256];
38 wcstombs(buf, file.getPath().c_str(), 256);
39 app.DebugPrintf("archive file - %s\n",buf);
40#endif
41
42 if(!file.exists())
43 {
44 app.DebugPrintf("Failed to load archive file!\n");//,file.getPath());
45 app.FatalLoadError();
46 }
47
48 FileInputStream fis(file);
49
50#if defined _XBOX_ONE || defined __ORBIS__ || defined _WINDOWS64
51 byteArray readArray(file.length());
52 fis.read(readArray,0,file.length());
53
54 ByteArrayInputStream bais(readArray);
55 DataInputStream dis(&bais);
56
57 m_cachedData = readArray.data;
58#else
59 DataInputStream dis(&fis);
60#endif
61
62 _readHeader(&dis);
63
64 dis.close();
65 fis.close();
66#if defined _XBOX_ONE || defined __ORBIS__ || defined _WINDOWS64
67 bais.reset();
68#endif
69 app.DebugPrintf("Finished loading archive file\n");
70}
71
72ArchiveFile::~ArchiveFile()
73{
74 delete m_cachedData;
75}
76
77vector<wstring> *ArchiveFile::getFileList()
78{
79 vector<wstring> *out = new vector<wstring>();
80
81 for ( AUTO_VAR(it, m_index.begin());
82 it != m_index.end();
83 it++ )
84
85 out->push_back( it->first );
86
87 return out;
88}
89
90bool ArchiveFile::hasFile(const wstring &filename)
91{
92 return m_index.find(filename) != m_index.end();
93}
94
95int ArchiveFile::getFileSize(const wstring &filename)
96{
97 return hasFile(filename) ? m_index.at(filename)->filesize : -1;
98}
99
100byteArray ArchiveFile::getFile(const wstring &filename)
101{
102 byteArray out;
103 AUTO_VAR(it,m_index.find(filename));
104
105 if(it == m_index.end())
106 {
107 app.DebugPrintf("Couldn't find file in archive\n");
108 app.DebugPrintf("Failed to find file '%ls' in archive\n", filename.c_str());
109#ifndef _CONTENT_PACKAGE
110 __debugbreak();
111#endif
112 app.FatalLoadError();
113 }
114 else
115 {
116 PMetaData data = it->second;
117
118#if defined _XBOX_ONE || defined __ORBIS__ || defined _WINDOWS64
119 out = byteArray(data->filesize );
120
121 memcpy( out.data, m_cachedData + data->ptr, data->filesize );
122#else
123
124#ifdef _UNICODE
125 HANDLE hfile = CreateFile( m_sourcefile.getPath().c_str(),
126 GENERIC_READ,
127 0,
128 NULL,
129 OPEN_EXISTING,
130 FILE_ATTRIBUTE_NORMAL,
131 NULL
132 );
133#else
134 app.DebugPrintf("Createfile archive\n");
135 HANDLE hfile = CreateFile( wstringtofilename(m_sourcefile.getPath()),
136 GENERIC_READ,
137 0,
138 NULL,
139 OPEN_EXISTING,
140 FILE_ATTRIBUTE_NORMAL,
141 NULL
142 );
143#endif
144
145 if (hfile != INVALID_HANDLE_VALUE)
146 {
147 app.DebugPrintf("hfile ok\n");
148 DWORD ok = SetFilePointer( hfile,
149 data->ptr,
150 NULL,
151 FILE_BEGIN
152 );
153
154 if (ok != INVALID_SET_FILE_POINTER)
155 {
156 PBYTE pbData = new BYTE[ data->filesize ];
157
158 DWORD bytesRead = -1;
159 BOOL bSuccess = ReadFile( hfile,
160 (LPVOID) pbData,
161 data->filesize,
162 &bytesRead,
163 NULL
164 );
165
166 if(bSuccess==FALSE)
167 {
168 app.FatalLoadError();
169 }
170 assert(bytesRead == data->filesize);
171 out = byteArray(pbData, data->filesize);
172 }
173 else
174 {
175 app.FatalLoadError();
176 }
177
178 CloseHandle(hfile);
179 }
180 else
181 {
182 app.DebugPrintf("bad hfile\n");
183 app.FatalLoadError();
184 }
185#endif
186
187 // Compressed filenames are preceeded with an asterisk.
188 if ( data->isCompressed && out.data != NULL )
189 {
190 /* 4J-JEV:
191 * If a compressed file is accessed before compression object is
192 * initialized it will crash here (Compression::getCompression).
193 */
194 ///4 279 553 556
195
196 ByteArrayInputStream bais(out);
197 DataInputStream dis(&bais);
198 unsigned int decompressedSize = dis.readInt();
199 dis.close();
200
201 PBYTE uncompressedBuffer = new BYTE[decompressedSize];
202 Compression::getCompression()->Decompress(uncompressedBuffer, &decompressedSize, out.data+4, out.length-4);
203
204 delete [] out.data;
205
206 out.data = uncompressedBuffer;
207 out.length = decompressedSize;
208 }
209
210 assert(out.data != NULL); // THERE IS NO FILE WITH THIS NAME!
211
212 }
213
214 return out;
215}