mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-10-05 23:44:51 +02:00
9820436fbe
Touches a lot of code to remove long constants like "1L", so this patch is large and ugly, but I think it makes all those Clamp() calls look nicer in the long run. Most of the game is 64-bit clean, since we can build without assembly code now. I've marked the things that are obviously still wrong with STUBBED lines. That being said: a 64-bit build can already run the demos mostly correctly, so we're actually almost there! There are a few obvious things that are obviously wrong, to be fixed.
394 lines
17 KiB
C++
394 lines
17 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as published by
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the Free Software Foundation
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
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#ifndef SE_INCL_STREAM_H
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#define SE_INCL_STREAM_H
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#ifdef PRAGMA_ONCE
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#pragma once
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#endif
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#include <Engine/Base/Translation.h>
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#include <Engine/Base/Lists.h>
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#include <Engine/Base/CTString.h>
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#include <Engine/Base/FileName.h>
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#include <Engine/Base/ErrorReporting.h>
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#include <Engine/Templates/DynamicStackArray.h>
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// maximum length of file that can be saved (default: 8Mb)
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ENGINE_API extern ULONG _ulMaxLengthOfSavingFile;
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#define CTSTREAM_BEGIN CTStream::EnableStreamHandling();
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#define CTSTREAM_END CTStream::DisableStreamHandling();
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/*
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* Chunk ID class
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*/
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#define CID_LENGTH 4
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class ENGINE_API CChunkID {
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public:
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char cid_ID[CID_LENGTH+1];
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public:
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/* Default constructor and string constructor. */
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inline CChunkID(const char *strString = " ");
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/* Comparison operator. */
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inline int operator==(const CChunkID &cidOther) const;
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inline int operator!=(const CChunkID &cidOther) const;
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inline operator const char *(void) const { return cid_ID; }
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inline operator char *(void) { return cid_ID; }
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};
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// inline implementations
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/* Default constructor and string constructor. */
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inline CChunkID::CChunkID(const char *strString /*= " "*/) {
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ASSERT(strlen(strString)==CID_LENGTH);
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memcpy(cid_ID, strString, CID_LENGTH+1);
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};
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/* Comparison operator. */
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inline int CChunkID::operator==(const CChunkID &cidOther) const {
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return (*((ULONG *)&cid_ID[0]) == *((ULONG *)&cidOther.cid_ID[0]));
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};
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inline int CChunkID::operator!=(const CChunkID &cidOther) const {
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return (*((ULONG *)&cid_ID[0]) != *((ULONG *)&cidOther.cid_ID[0]));
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};
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/*
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* CroTeam stream class -- abstract base class
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*/
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class ENGINE_API CTStream {
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public:
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CListNode strm_lnListNode; // for linking into main library's list of opened streams
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public:
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CTString strm_strStreamDescription; // descriptive string
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enum DictionaryMode {
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DM_NONE, // no dictionary on this file (yet)
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DM_ENABLED, // dictionary is enabled, reading/writing rest of file
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DM_PROCESSING, // reading/writing the dictionary itself
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} strm_dmDictionaryMode; // dictionary mode of operation on this file
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SLONG strm_slDictionaryPos; // dictionary position in file (0 for no dictionary)
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INDEX strm_ctDictionaryImported; // how many filenames were imported
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class CNameTable_CTFileName &strm_ntDictionary; // name table for the dictionary
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CDynamicStackArray<CTFileName> strm_afnmDictionary; // dictionary is stored here
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/* Throw an exception of formatted string. */
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void Throw_t(const char *strFormat, ...); // throw char *
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// read the dictionary from given offset in file (internal function)
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void ReadDictionary_intenal_t(SLONG slOffset);
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// copy filename dictionary from another stream
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void CopyDictionary(CTStream &strmOther);
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public:
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// modes for opening streams
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enum OpenMode {
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OM_READ = 1,
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OM_WRITE = 2,
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OM_READTEXT = OM_READ ,
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OM_WRITETEXT = OM_WRITE,
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OM_READBINARY = OM_READ ,
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OM_WRITEBINARY = OM_WRITE,
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};
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enum CreateMode { // OBSOLETE!
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CM_TEXT = 1,
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CM_BINARY = 2,
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};
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// direction for seeking
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enum SeekDir {
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SD_BEG = SEEK_SET,
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SD_END = SEEK_END,
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SD_CUR = SEEK_CUR,
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};
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/* Static function enable stream handling. */
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static void EnableStreamHandling(void);
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/* Static function disable stream handling. */
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static void DisableStreamHandling(void);
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/* Default constructor. */
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CTStream(void);
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/* Destruction. */
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virtual ~CTStream(void);
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/* Check if the stream can be read. -- used mainly for assertions */
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virtual BOOL IsReadable(void) = 0;
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/* Check if the stream can be written. -- used mainly for assertions */
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virtual BOOL IsWriteable(void) = 0;
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/* Check if the stream can be seeked. -- used mainly for assertions */
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virtual BOOL IsSeekable(void) = 0;
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/* Read a block of data from stream. */
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virtual void Read_t(void *pvBuffer, SLONG slSize) = 0; // throw char *
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/* Write a block of data to stream. */
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virtual void Write_t(const void *pvBuffer, SLONG slSize) = 0; // throw char *
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/* Seek in stream. */
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virtual void Seek_t(SLONG slOffset, enum SeekDir sd) = 0; // throw char *
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/* Set absolute position in stream. */
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virtual void SetPos_t(SLONG slPosition) = 0; // throw char *
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/* Get absolute position in stream. */
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virtual SLONG GetPos_t(void) = 0; // throw char *
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/* Get size of stream */
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virtual SLONG GetStreamSize(void) = 0;
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/* Get CRC32 of stream */
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virtual ULONG GetStreamCRC32_t(void) = 0;
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/* Check if file position points to the EOF */
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virtual BOOL AtEOF(void) = 0;
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/* Get description of this stream (e.g. filename for a CFileStream). */
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inline CTString &GetDescription(void) { return strm_strStreamDescription; };
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/* Read an object from stream. */
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inline CTStream &operator>>(UBYTE &ub) { Read_t(&ub, sizeof(ub)); return *this; } // throw char *
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inline CTStream &operator>>(SBYTE &sb) { Read_t(&sb, sizeof(sb)); return *this; } // throw char *
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inline CTStream &operator>>(float &f) { Read_t( &f, sizeof( f)); BYTESWAP( f); return *this; } // throw char *
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inline CTStream &operator>>(double &d) { Read_t( &d, sizeof( d)); BYTESWAP( d); return *this; } // throw char *
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inline CTStream &operator>>(ULONG &ul) { Read_t(&ul, sizeof(ul)); BYTESWAP(ul); return *this; } // throw char *
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inline CTStream &operator>>(SLONG &sl) { Read_t(&sl, sizeof(sl)); BYTESWAP(sl); return *this; } // throw char *
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inline CTStream &operator>>(UWORD &uw) { Read_t(&uw, sizeof(uw)); BYTESWAP(uw); return *this; } // throw char *
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inline CTStream &operator>>(SWORD &sw) { Read_t(&sw, sizeof(sw)); BYTESWAP(sw); return *this; } // throw char *
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//inline CTStream &operator>>(BOOL &b) { Read_t( &b, sizeof( b)); BYTESWAP( b); return *this; } // throw char *
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inline CTStream &operator>>(__int64 i) { Read_t( &i, sizeof( i)); BYTESWAP( i); return *this; } // throw char *
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inline CTStream &operator>>(__uint64 i) { Read_t( &i, sizeof( i)); BYTESWAP( i); return *this; } // throw char *
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/* Write an object into stream. */
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inline CTStream &operator<<(UBYTE ub) { Write_t(&ub, sizeof(ub)); return *this; } // throw char *
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inline CTStream &operator<<(SBYTE sb) { Write_t(&sb, sizeof(sb)); return *this; } // throw char *
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inline CTStream &operator<<(float f) { BYTESWAP( f); Write_t( &f, sizeof( f)); return *this; } // throw char *
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inline CTStream &operator<<(double d) { BYTESWAP( d); Write_t( &d, sizeof( d)); return *this; } // throw char *
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inline CTStream &operator<<(ULONG ul) { BYTESWAP(ul); Write_t(&ul, sizeof(ul)); return *this; } // throw char *
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inline CTStream &operator<<(SLONG sl) { BYTESWAP(sl); Write_t(&sl, sizeof(sl)); return *this; } // throw char *
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inline CTStream &operator<<(UWORD uw) { BYTESWAP(uw); Write_t(&uw, sizeof(uw)); return *this; } // throw char *
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inline CTStream &operator<<(SWORD sw) { BYTESWAP(sw); Write_t(&sw, sizeof(sw)); return *this; } // throw char *
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//inline CTStream &operator<<(BOOL b) { BYTESWAP( b); Write_t( &b, sizeof( b)); return *this; } // throw char *
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inline CTStream &operator<<(__int64 i) { BYTESWAP( i); Write_t( &i, sizeof( i)); return *this; } // throw char *
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inline CTStream &operator<<(__uint64 i) { BYTESWAP( i); Write_t( &i, sizeof( i)); return *this; } // throw char *
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// CTFileName reading/writing
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ENGINE_API friend CTStream &operator>>(CTStream &strmStream, CTFileName &fnmFileName);
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ENGINE_API friend CTStream &operator<<(CTStream &strmStream, const CTFileName &fnmFileName);
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/* Put a line of text into stream. */
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virtual void PutLine_t(const char *strBuffer); // throw char *
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virtual void PutString_t(const char *strString); // throw char *
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virtual void FPrintF_t(const char *strFormat, ...); // throw char *
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/* Get a line of text from stream. */
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virtual void GetLine_t(char *strBuffer, SLONG slBufferSize, char cDelimiter='\n'); // throw char *
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virtual void GetLine_t(CTString &strLine, char cDelimiter='\n'); // throw char *
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virtual CChunkID GetID_t(void); // throw char *
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virtual CChunkID PeekID_t(void); // throw char *
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virtual void ExpectID_t(const CChunkID &cidExpected); // throw char *
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virtual void ExpectKeyword_t(const CTString &strKeyword); // throw char *
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virtual SLONG GetSize_t(void); // throw char *
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virtual void ReadRawChunk_t(void *pvBuffer, SLONG slSize); // throw char *
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virtual void ReadChunk_t(void *pvBuffer, SLONG slExpectedSize); // throw char *
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virtual void ReadFullChunk_t(const CChunkID &cidExpected, void *pvBuffer, SLONG slExpectedSize); // throw char *
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virtual void *ReadChunkAlloc_t(SLONG slSize=0); // throw char *
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virtual void ReadStream_t(CTStream &strmOther); // throw char *
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virtual void WriteID_t(const CChunkID &cidSave); // throw char *
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virtual void WriteSize_t(SLONG slSize); // throw char *
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virtual void WriteRawChunk_t(void *pvBuffer, SLONG slSize); // throw char * // doesn't write length
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virtual void WriteChunk_t(void *pvBuffer, SLONG slSize); // throw char *
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virtual void WriteFullChunk_t(const CChunkID &cidSave, void *pvBuffer, SLONG slSize); // throw char *
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virtual void WriteStream_t(CTStream &strmOther); // throw char *
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// whether or not the given pointer is coming from this stream (mainly used for exception handling)
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virtual BOOL PointerInStream(void* pPointer);
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// filename dictionary operations
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// start writing a with a dictionary
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void DictionaryWriteBegin_t(const CTFileName &fnmImportFrom, SLONG slImportOffset);
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// stop writing a with a dictionary
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void DictionaryWriteEnd_t(void);
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// start reading a with a dictionary
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SLONG DictionaryReadBegin_t(void); // returns offset of dictionary for cross-file importing
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// stop reading a with a dictionary
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void DictionaryReadEnd_t(void);
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// preload all files mentioned in the dictionary
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void DictionaryPreload_t(void);
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};
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/*
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* CroTeam file stream class
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*/
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class ENGINE_API CTFileStream : public CTStream {
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private:
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FILE *fstrm_pFile; // ptr to opened file
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INDEX fstrm_iZipHandle; // handle of zip-file entry
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INDEX fstrm_iZipLocation; // location in zip-file entry
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UBYTE* fstrm_pubZipBuffer; // buffer for zip-file entry
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SLONG fstrm_slZipSize; // size of the zip-file entry
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BOOL fstrm_bReadOnly; // set if file is opened in read-only mode
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public:
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/* Default constructor. */
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CTFileStream(void);
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/* Destructor. */
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virtual ~CTFileStream(void);
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/* Open an existing file. */
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void Open_t(const CTFileName &fnFileName, enum CTStream::OpenMode om=CTStream::OM_READ); // throw char *
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/* Create a new file or overwrite existing. */
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void Create_t(const CTFileName &fnFileName, enum CTStream::CreateMode cm=CTStream::CM_BINARY); // throw char *
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/* Close an open file. */
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void Close(void);
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/* Get CRC32 of stream */
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ULONG GetStreamCRC32_t(void);
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/* Read a block of data from stream. */
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void Read_t(void *pvBuffer, SLONG slSize); // throw char *
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/* Write a block of data to stream. */
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void Write_t(const void *pvBuffer, SLONG slSize); // throw char *
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/* Seek in stream. */
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void Seek_t(SLONG slOffset, enum SeekDir sd); // throw char *
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/* Set absolute position in stream. */
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void SetPos_t(SLONG slPosition); // throw char *
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/* Get absolute position in stream. */
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SLONG GetPos_t(void); // throw char *
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/* Get size of stream */
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SLONG GetStreamSize(void);
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/* Check if file position points to the EOF */
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BOOL AtEOF(void);
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// whether or not the given pointer is coming from this stream (mainly used for exception handling)
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virtual BOOL PointerInStream(void* pPointer);
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// from CTStream
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inline virtual BOOL IsWriteable(void){ return !fstrm_bReadOnly;};
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inline virtual BOOL IsReadable(void){ return TRUE;};
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inline virtual BOOL IsSeekable(void){ return TRUE;};
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};
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/*
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* CroTeam memory stream class
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*/
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class ENGINE_API CTMemoryStream : public CTStream {
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public:
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BOOL mstrm_bReadable; // set if stream is readable
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BOOL mstrm_bWriteable; // set if stream is writeable
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INDEX mstrm_ctLocked; // counter for buffer locking
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UBYTE* mstrm_pubBuffer; // buffer of the stream
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UBYTE* mstrm_pubBufferEnd; // pointer to the end of the stream buffer
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SLONG mstrm_slLocation; // location in the stream
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UBYTE* mstrm_pubBufferMax; // furthest that the stream location has ever gotten
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public:
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/* Create dynamically resizing stream for reading/writing. */
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CTMemoryStream(void);
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/* Create static stream from given buffer. */
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CTMemoryStream(void *pvBuffer, SLONG slSize, CTStream::OpenMode om = CTStream::OM_READ);
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/* Destructor. */
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virtual ~CTMemoryStream(void);
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/* Lock the buffer contents and it's size. */
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void LockBuffer(void **ppvBuffer, SLONG *pslSize);
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/* Unlock buffer. */
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void UnlockBuffer(void);
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/* Read a block of data from stream. */
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void Read_t(void *pvBuffer, SLONG slSize); // throw char *
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/* Write a block of data to stream. */
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void Write_t(const void *pvBuffer, SLONG slSize); // throw char *
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/* Seek in stream. */
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void Seek_t(SLONG slOffset, enum SeekDir sd); // throw char *
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/* Set absolute position in stream. */
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void SetPos_t(SLONG slPosition); // throw char *
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/* Get absolute position in stream. */
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SLONG GetPos_t(void); // throw char *
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/* Get size of stream. */
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SLONG GetSize_t(void); // throw char *
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/* Get size of stream */
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SLONG GetStreamSize(void);
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/* Get CRC32 of stream */
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ULONG GetStreamCRC32_t(void);
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/* Check if file position points to the EOF */
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BOOL AtEOF(void);
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// whether or not the given pointer is coming from this stream (mainly used for exception handling)
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virtual BOOL PointerInStream(void* pPointer);
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// memory stream can be opened only for reading and writing
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virtual BOOL IsWriteable(void);
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virtual BOOL IsReadable(void);
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virtual BOOL IsSeekable(void);
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};
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// Test if a file exists.
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ENGINE_API BOOL FileExists(const CTFileName &fnmFile);
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// Test if a file exists for writing.
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// (this is can be diferent than normal FileExists() if a mod uses basewriteexclude.lst
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ENGINE_API BOOL FileExistsForWriting(const CTFileName &fnmFile);
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// Get file timestamp
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ENGINE_API SLONG GetFileTimeStamp_t(const CTFileName &fnmFile); // throw char *
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// Get CRC32 of a file
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ENGINE_API ULONG GetFileCRC32_t(const CTFileName &fnmFile); // throw char *
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// Test if a file is read only (also returns FALSE if file does not exist)
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ENGINE_API BOOL IsFileReadOnly(const CTFileName &fnmFile);
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// Delete a file (called 'remove' to avid name clashes with win32)
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ENGINE_API BOOL RemoveFile(const CTFileName &fnmFile);
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// Expand a file's filename to full path
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// these are input flags for describing what you need the file for
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#define EFP_READ (1UL<<0) // will open for reading
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#define EFP_WRITE (1UL<<1) // will open for writing
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#define EFP_NOZIPS (1UL<<31) // add this flag to forbid searching in zips
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// these are return values
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#define EFP_NONE 0 // doesn't exist
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#define EFP_FILE 1 // generic file on disk
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#define EFP_BASEZIP 2 // file in one of base zips
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#define EFP_MODZIP 3 // file in one of mod zips
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ENGINE_API INDEX ExpandFilePath(ULONG ulType, const CTFileName &fnmFile, CTFileName &fnmExpanded);
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// these are input flags for directory reading
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#define DLI_RECURSIVE (1UL<<0) // recurse into subdirs
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#define DLI_SEARCHCD (1UL<<1) // search the CD path also
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// make a list of all files in a directory
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ENGINE_API void MakeDirList(
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CDynamicStackArray<CTFileName> &adeDir,
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const CTFileName &fnmDir, // directory to list
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const CTFileName &fnmPattern, // pattern for each file to match ("" matches all)
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ULONG ulFlags // additional flags
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);
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// global string with application path
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ENGINE_API extern CTFileName _fnmApplicationPath;
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// global string with user-specific writable directory.
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ENGINE_API extern CTFileName _fnmUserDir;
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// global string with current MOD path
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ENGINE_API extern CTFileName _fnmMod;
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// global string with current name (the parameter that is passed on cmdline)
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ENGINE_API extern CTString _strModName;
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// global string with url to be shown to users that don't have the mod installed
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// (should be set by game.dll)
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ENGINE_API extern CTString _strModURL;
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// global string with current MOD extension (for adding to dlls)
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ENGINE_API extern CTString _strModExt;
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// global string with CD path (for minimal installations)
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ENGINE_API extern CTFileName _fnmCDPath;
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// global string with filename of the started application
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ENGINE_API extern CTFileName _fnmApplicationExe;
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// application path usage funtions
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ENGINE_API void UseApplicationPath(void);
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ENGINE_API void IgnoreApplicationPath(void);
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#endif /* include-once check. */
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