mirror of
https://github.com/ZDoom/raze-gles.git
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147 lines
4.4 KiB
C++
147 lines
4.4 KiB
C++
// "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman
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// Ken Silverman's official web site: "http://www.advsys.net/ken"
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// See the included license file "BUILDLIC.TXT" for license info.
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//
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// This file has been modified from Ken Silverman's original release
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// by Jonathon Fowler (jf@jonof.id.au)
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// by the EDuke32 team (development@voidpoint.com)
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#ifndef cache1d_h_
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#define cache1d_h_
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#include "compat.h"
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#include "files.h"
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#include "vfs.h"
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extern char *kpzbuf;
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extern int32_t kpzbufsiz;
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extern int32_t kpzbufload(const char *);
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void cacheInitBuffer(int32_t dacachesize);
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void cacheAllocateBlock(intptr_t *newhandle, int32_t newbytes, uint8_t *newlockptr);
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void cacheAgeEntries(void);
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using buildvfs_kfd = int32_t;
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#define buildvfs_kfd_invalid (-1)
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extern int32_t pathsearchmode; // 0 = gamefs mode (default), 1 = localfs mode (editor's mode)
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char *listsearchpath(int32_t initp);
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int32_t addsearchpath_user(const char *p, int32_t user);
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#define addsearchpath(a) addsearchpath_user(a, 0)
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int32_t removesearchpath(const char *p);
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void removesearchpaths_withuser(int32_t usermask);
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int32_t findfrompath(const char *fn, char **where);
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buildvfs_kfd openfrompath(const char *fn, int32_t flags, int32_t mode);
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buildvfs_FILE fopenfrompath(const char *fn, const char *mode);
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extern char g_modDir[BMAX_PATH];
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extern int32_t numgroupfiles;
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int initgroupfile(const char *filename);
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void uninitgroupfile(void);
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buildvfs_kfd kopen4load(const char *filename, char searchfirst); // searchfirst: 0 = anywhere, 1 = first group, 2 = any group
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buildvfs_kfd kopen4loadfrommod(const char *filename, char searchfirst);
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int32_t kread(buildvfs_kfd handle, void *buffer, int32_t leng);
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#define kread_and_test(handle, buffer, leng) EDUKE32_PREDICT_FALSE(kread((handle), (buffer), (leng)) != (leng))
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int32_t klseek(buildvfs_kfd handle, int32_t offset, int32_t whence);
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#define klseek_and_test(handle, offset, whence) EDUKE32_PREDICT_FALSE(klseek((handle), (offset), (whence)) < 0)
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int32_t kfilelength(buildvfs_kfd handle);
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int32_t ktell(buildvfs_kfd handle);
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void kclose(buildvfs_kfd handle);
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void krename(int32_t crcval, int32_t filenum, const char *newname);
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char const * kfileparent(int32_t handle);
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extern int32_t kpzbufloadfil(buildvfs_kfd);
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#ifdef WITHKPLIB
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int32_t cache1d_file_fromzip(buildvfs_kfd fil);
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#endif
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typedef struct
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{
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intptr_t *hand;
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int32_t leng;
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uint8_t * lock;
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} cactype;
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enum {
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CACHE1D_FIND_FILE = 1,
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CACHE1D_FIND_DIR = 2,
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CACHE1D_FIND_DRIVE = 4,
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CACHE1D_FIND_NOCURDIR = 8,
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CACHE1D_OPT_NOSTACK = 0x100,
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// the lower the number, the higher the priority
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CACHE1D_SOURCE_DRIVE = 0,
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CACHE1D_SOURCE_CURDIR = 1,
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CACHE1D_SOURCE_PATH = 2, // + path stack depth
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CACHE1D_SOURCE_ZIP = 0x7ffffffe,
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CACHE1D_SOURCE_GRP = 0x7fffffff,
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};
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typedef struct _CACHE1D_FIND_REC {
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char *name;
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int32_t type, source;
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struct _CACHE1D_FIND_REC *next, *prev, *usera, *userb;
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} CACHE1D_FIND_REC;
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int32_t klistaddentry(CACHE1D_FIND_REC **rec, const char *name, int32_t type, int32_t source);
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void klistfree(CACHE1D_FIND_REC *rec);
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CACHE1D_FIND_REC *klistpath(const char *path, const char *mask, int type);
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extern int32_t lz4CompressionLevel;
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int32_t kdfread_LZ4(void *buffer, int dasizeof, int count, buildvfs_kfd fil);
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void dfwrite_LZ4(const void *buffer, int dasizeof, int count, buildvfs_FILE fil);
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class KFileReaderInterface : public FileReaderInterface
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{
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buildvfs_kfd khandle = buildvfs_kfd_invalid;
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public:
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KFileReaderInterface(int handle)
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{
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khandle = handle;
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Length = 0;
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if (khandle != buildvfs_kfd_invalid)
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{
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klseek(khandle, 0, SEEK_END);
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Length = ktell(khandle);
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klseek(khandle, 0, SEEK_SET);
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}
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}
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~KFileReaderInterface()
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{
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if (khandle != buildvfs_kfd_invalid)
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{
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kclose(khandle);
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}
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}
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virtual long Tell() const
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{
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return ktell(khandle);
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}
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virtual long Seek(long offset, int origin)
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{
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return klseek(khandle, offset, origin);
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}
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virtual long Read(void* buffer, long len)
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{
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return kread(khandle, buffer, (int32_t)len);
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}
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virtual char* Gets(char* strbuf, int len)
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{
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// Not supported by the underlying system, so we do not need it anyway.
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return nullptr;
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}
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};
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inline FileReader kopenFileReader(const char* name, int where)
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{
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int handle = where == 0 ? kopen4loadfrommod(name, 0) : kopen4load(name, where);
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KFileReaderInterface *fri = handle == buildvfs_kfd_invalid? nullptr : new KFileReaderInterface(handle);
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return FileReader(fri);
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}
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#endif // cache1d_h_
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