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author | yinsimei | 2017-05-26 05:24:38 +0200 |
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committer | Eugene Sandulenko | 2017-07-13 18:27:45 +0200 |
commit | 219044abf9841461043d6e2acf0d5a48a7c7648b (patch) | |
tree | e9d16f9de2317e3596da5a71447e0c823ba3861d /engines/sludge/fileset.cpp | |
parent | 94439e2ce311734bfe7bb5700a6584b7550ea8f9 (diff) | |
download | scummvm-rg350-219044abf9841461043d6e2acf0d5a48a7c7648b.tar.gz scummvm-rg350-219044abf9841461043d6e2acf0d5a48a7c7648b.tar.bz2 scummvm-rg350-219044abf9841461043d6e2acf0d5a48a7c7648b.zip |
SLUDGE: Add sludge files and make it compile
Diffstat (limited to 'engines/sludge/fileset.cpp')
-rw-r--r-- | engines/sludge/fileset.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/engines/sludge/fileset.cpp b/engines/sludge/fileset.cpp new file mode 100644 index 0000000000..8d5eb52a94 --- /dev/null +++ b/engines/sludge/fileset.cpp @@ -0,0 +1,237 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ +#if 0 +#include <errno.h> +#include <stdint.h> +#include <string.h> +// For unicode conversion +#include <iconv.h> +#endif + +#include "debug.h" +#include "stringy.h" + +#include "allfiles.h" +#include "moreio.h" +#include "newfatal.h" +#include "CommonCode/version.h" + + +bool sliceBusy = true; +#if ALLOW_FILE +FILE *bigDataFile = NULL; +#endif +uint32_t startOfDataIndex, startOfTextIndex, + startOfSubIndex, startOfObjectIndex; + +bool openSubSlice(int num) { +// FILE * dbug = fopen ("debuggy.txt", "at"); + +// fprintf (dbug, "\nTrying to open sub %i\n", num); + + if (sliceBusy) { + fatal("Can't read from data file", "I'm already reading something"); + return false; + } +// fprintf (dbug, "Going to position %li\n", startOfSubIndex + (num << 2)); + fseek(bigDataFile, startOfSubIndex + (num << 2), 0); + fseek(bigDataFile, get4bytes(bigDataFile), 0); +// fprintf (dbug, "Told to skip forward to %li\n", ftell (bigDataFile)); +// fclose (dbug); + + return sliceBusy = true; +} + +bool openObjectSlice(int num) { +// FILE * dbug = fopen ("debuggy.txt", "at"); + +// fprintf (dbug, "\nTrying to open object %i\n", num); + + if (sliceBusy) { + fatal("Can't read from data file", "I'm already reading something"); + return false; + } + +// fprintf (dbug, "Going to position %li\n", startOfObjectIndex + (num << 2)); + fseek(bigDataFile, startOfObjectIndex + (num << 2), 0); + fseek(bigDataFile, get4bytes(bigDataFile), 0); +// fprintf (dbug, "Told to skip forward to %li\n", ftell (bigDataFile)); +// fclose (dbug); + return sliceBusy = true; +} + +unsigned int openFileFromNum(int num) { +// FILE * dbug = fopen ("debuggy.txt", "at"); + + if (sliceBusy) { + fatal("Can't read from data file", "I'm already reading something"); + return 0; + } + +// fprintf (dbug, "\nTrying to open file %i\n", num); +// fprintf (dbug, "Jumping to %li (for index) \n", startOfDataIndex + (num << 2)); + fseek(bigDataFile, startOfDataIndex + (num << 2), 0); + fseek(bigDataFile, get4bytes(bigDataFile), 1); +// fprintf (dbug, "Jumping to %li (for data) \n", ftell (bigDataFile)); + sliceBusy = true; +// fclose (dbug); + + return get4bytes(bigDataFile); +} + + +// Converts a string from Windows CP-1252 to UTF-8. +// This is needed for old games. +char *convertString(char *s) { + static char *buf = NULL; + + if (! buf) { + buf = new char [65536]; + if (! checkNew(buf)) return NULL; + } + + char **tmp1 = (char **) &s; + char **tmp2 = (char **) &buf; + char *sOrig = s; + char *bufOrig = buf; +#if defined __unix__ && !(defined __APPLE__) + iconv_t convert = iconv_open("UTF-8", "ISO8859-2"); +#else + iconv_t convert = iconv_open("UTF-8", "CP1250"); +#endif + + if (convert == (iconv_t) - 1) { + switch (errno) { + case EINVAL: + fprintf(stderr, "Error: Encoding not supported by iconv.\n"); + break; + default: + fprintf(stderr, "Error: Could not open iconv conversion descriptor.\n"); + } + } + + size_t len1 = strlen(s) + 1; + size_t len2 = 65535; + size_t iconv_value = +#ifdef _WIN32 + iconv(convert, (const char **) tmp1, &len1, tmp2, &len2); +#else + iconv(convert, (char **) tmp1, &len1, tmp2, &len2); +#endif + + if (iconv_value == (size_t) - 1) { + switch (errno) { + /* See "man 3 iconv" for an explanation. */ + case EILSEQ: + fprintf(stderr, "Invalid multibyte sequence.\n"); + break; + case EINVAL: + fprintf(stderr, "Incomplete multibyte sequence.\n"); + break; + case E2BIG: + fprintf(stderr, "No more room.\n"); + break; + default: + fprintf(stderr, "Error: %s.\n", strerror(errno)); + } + fatal("Conversion to Unicode failed. This can be fixed by recompiling the game in a current version of the SLUDGE Development Kit, but this error should never happen. Congratulations, you've found a bug in the SLUDGE engine! Please let us know about it."); + } + iconv_close(convert); + + + delete [] sOrig; + return copyString(buf = bufOrig); +} + +char *getNumberedString(int value) { + + if (sliceBusy) { + fatal("Can't read from data file", "I'm already reading something"); + return NULL; + } + + fseek(bigDataFile, (value << 2) + startOfTextIndex, 0); + value = get4bytes(bigDataFile); + fseek(bigDataFile, value, 0); + + char *s = readString(bigDataFile); + + if (gameVersion < VERSION(2, 2)) { + // This is an older game - We need to convert the string to UTF-8 + s = convertString(s); + } + + return s; +} + +bool startAccess() { + int wasBusy = sliceBusy; + sliceBusy = true; + return wasBusy; +} +void finishAccess() { + sliceBusy = false; +} + +int32_t startIndex; + +void setFileIndices(FILE *fp, int numLanguages, unsigned int skipBefore) { + if (fp) { + // Keep hold of the file handle, and let things get at it + bigDataFile = fp; + startIndex = ftell(fp); + } else { + // No file pointer - this means that we reuse the bigDataFile + fp = bigDataFile; + fseek(fp, startIndex, 0); + } + sliceBusy = false; + + if (skipBefore > numLanguages) { + warning("Not a valid language ID! Using default instead."); + skipBefore = 0; + } + + // STRINGS + int skipAfter = numLanguages - skipBefore; + while (skipBefore) { + fseek(fp, get4bytes(fp), 0); + skipBefore --; + } + startOfTextIndex = ftell(fp) + 4; + + fseek(fp, get4bytes(fp), 0); + + while (skipAfter) { + fseek(fp, get4bytes(fp), 0); + skipAfter --; + } + + startOfSubIndex = ftell(fp) + 4; + fseek(fp, get4bytes(fp), 1); + + startOfObjectIndex = ftell(fp) + 4; + fseek(fp, get4bytes(fp), 1); + + // Remember that the data section starts here + startOfDataIndex = ftell(fp); +} |