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
|
/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com. */
#ifndef ENGINE_SHARED_DATAFILE_H
#define ENGINE_SHARED_DATAFILE_H
// raw datafile access
class CDataFileReader
{
struct CDatafile *m_pDataFile;
void *GetDataImpl(int Index, int Swap);
public:
CDataFileReader() : m_pDataFile(0) {}
~CDataFileReader() { Close(); }
bool IsOpen() const { return m_pDataFile != 0; }
bool Open(class IStorage *pStorage, const char *pFilename, int StorageType);
bool Close();
static bool GetCrcSize(class IStorage *pStorage, const char *pFilename, int StorageType, unsigned *pCrc, unsigned *pSize);
void *GetData(int Index);
void *GetDataSwapped(int Index); // makes sure that the data is 32bit LE ints when saved
int GetDataSize(int Index);
void UnloadData(int Index);
void *GetItem(int Index, int *pType, int *pID);
int GetItemSize(int Index);
void GetType(int Type, int *pStart, int *pNum);
void *FindItem(int Type, int ID);
int NumItems();
int NumData();
void Unload();
unsigned Crc();
};
// write access
class CDataFileWriter
{
struct CDataInfo
{
int m_UncompressedSize;
int m_CompressedSize;
void *m_pCompressedData;
};
struct CItemInfo
{
int m_Type;
int m_ID;
int m_Size;
int m_Next;
int m_Prev;
void *m_pData;
};
struct CItemTypeInfo
{
int m_Num;
int m_First;
int m_Last;
};
enum
{
MAX_ITEM_TYPES=0xffff,
MAX_ITEMS=1024,
MAX_DATAS=1024,
};
IOHANDLE m_File;
int m_NumItems;
int m_NumDatas;
int m_NumItemTypes;
CItemTypeInfo *m_pItemTypes;
CItemInfo *m_pItems;
CDataInfo *m_pDatas;
public:
CDataFileWriter();
~CDataFileWriter();
bool Open(class IStorage *pStorage, const char *Filename);
int AddData(int Size, void *pData);
int AddDataSwapped(int Size, void *pData);
int AddItem(int Type, int ID, int Size, void *pData);
int Finish();
};
#endif
|