diff options
Diffstat (limited to '3rdparty/lib3ds/chunk.c')
| -rw-r--r-- | 3rdparty/lib3ds/chunk.c | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/3rdparty/lib3ds/chunk.c b/3rdparty/lib3ds/chunk.c deleted file mode 100644 index 4a377335..00000000 --- a/3rdparty/lib3ds/chunk.c +++ /dev/null @@ -1,320 +0,0 @@ -/* - * The 3D Studio File Format Library - * Copyright (C) 1996-2007 by Jan Eric Kyprianidis <www.kyprianidis.com> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 2.1 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 Lesser General Public - * License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * $Id: chunk.c,v 1.18 2007/06/20 17:04:08 jeh Exp $ - */ -#include <lib3ds/chunk.h> -#include <lib3ds/io.h> -#include <lib3ds/chunktable.h> -#include <string.h> -#include <stdarg.h> - - -/*#define LIB3DS_CHUNK_DEBUG*/ -/*#define LIB3DS_CHUNK_WARNING*/ - - -/*! - * \defgroup chunk Chunk Handling - */ - - -static Lib3dsBool enable_dump=LIB3DS_FALSE; -static Lib3dsBool enable_unknown=LIB3DS_FALSE; -static char lib3ds_chunk_level[128]=""; - - -static void -lib3ds_chunk_debug_enter(Lib3dsChunk *c) -{ - LIB3DS_UNUSED(c); - strcat(lib3ds_chunk_level, " "); -} - - -static void -lib3ds_chunk_debug_leave(Lib3dsChunk *c) -{ - LIB3DS_UNUSED(c); - lib3ds_chunk_level[strlen(lib3ds_chunk_level)-2]=0; -} - - -static void -lib3ds_chunk_debug_dump(Lib3dsChunk *c) -{ - if (enable_dump) { - printf("%s%s (0x%X) size=%lu\n", - lib3ds_chunk_level, - lib3ds_chunk_name(c->chunk), - c->chunk, - (unsigned long)(c->size) - ); - } -} - - -/*! - * \ingroup chunk - */ -void -lib3ds_chunk_enable_dump(Lib3dsBool enable, Lib3dsBool unknown) -{ - enable_dump=enable; - enable_unknown=unknown; -} - - -/*! - * \ingroup chunk - * - * Reads a 3d-Studio chunk header from a little endian file stream. - * - * \param c The chunk to store the data. - * \param io The file stream. - * - * \return True on success, False otherwise. - */ -Lib3dsBool -lib3ds_chunk_read(Lib3dsChunk *c, Lib3dsIo *io) -{ - ASSERT(c); - ASSERT(io); - c->cur=lib3ds_io_tell(io); - c->chunk=lib3ds_io_read_word(io); - c->size=lib3ds_io_read_dword(io); - c->end=c->cur+c->size; - c->cur+=6; - if (lib3ds_io_error(io) || (c->size<6)) { - return(LIB3DS_FALSE); - } - return(LIB3DS_TRUE); - -} - - -/*! - * \ingroup chunk - */ -Lib3dsBool -lib3ds_chunk_read_start(Lib3dsChunk *c, Lib3dsWord chunk, Lib3dsIo *io) -{ - ASSERT(c); - ASSERT(io); - if (!lib3ds_chunk_read(c, io)) { - return(LIB3DS_FALSE); - } - lib3ds_chunk_debug_enter(c); - return((chunk==0) || (c->chunk==chunk)); -} - - -/*! - * \ingroup chunk - */ -void -lib3ds_chunk_read_tell(Lib3dsChunk *c, Lib3dsIo *io) -{ - c->cur=lib3ds_io_tell(io); -} - - -/*! - * \ingroup chunk - */ -Lib3dsWord -lib3ds_chunk_read_next(Lib3dsChunk *c, Lib3dsIo *io) -{ - Lib3dsChunk d; - - if (c->cur>=c->end) { - ASSERT(c->cur==c->end); - return(0); - } - - lib3ds_io_seek(io, (long)c->cur, LIB3DS_SEEK_SET); - d.chunk=lib3ds_io_read_word(io); - d.size=lib3ds_io_read_dword(io); - lib3ds_chunk_debug_dump(&d); - c->cur+=d.size; - return(d.chunk); -} - - -/*! - * \ingroup chunk - */ -void -lib3ds_chunk_read_reset(Lib3dsChunk *c, Lib3dsIo *io) -{ - LIB3DS_UNUSED(c); - lib3ds_io_seek(io, -6, LIB3DS_SEEK_CUR); -} - - -/*! - * \ingroup chunk - */ -void -lib3ds_chunk_read_end(Lib3dsChunk *c, Lib3dsIo *io) -{ - lib3ds_chunk_debug_leave(c); - lib3ds_io_seek(io, c->end, LIB3DS_SEEK_SET); -} - - -/*! - * \ingroup chunk - * - * Writes a 3d-Studio chunk header into a little endian file stream. - * - * \param c The chunk to be written. - * \param io The file stream. - * - * \return True on success, False otherwise. - */ -Lib3dsBool -lib3ds_chunk_write(Lib3dsChunk *c, Lib3dsIo *io) -{ - ASSERT(c); - if (!lib3ds_io_write_word(io, c->chunk)) { - LIB3DS_ERROR_LOG; - return(LIB3DS_FALSE); - } - if (!lib3ds_io_write_dword(io, c->size)) { - LIB3DS_ERROR_LOG; - return(LIB3DS_FALSE); - } - return(LIB3DS_TRUE); -} - - -/*! - * \ingroup chunk - */ -Lib3dsBool -lib3ds_chunk_write_start(Lib3dsChunk *c, Lib3dsIo *io) -{ - ASSERT(c); - c->size=0; - c->cur=lib3ds_io_tell(io); - if (!lib3ds_io_write_word(io, c->chunk)) { - return(LIB3DS_FALSE); - } - if (!lib3ds_io_write_dword(io, c->size)) { - return(LIB3DS_FALSE); - } - return(LIB3DS_TRUE); -} - - -/*! - * \ingroup chunk - */ -Lib3dsBool -lib3ds_chunk_write_end(Lib3dsChunk *c, Lib3dsIo *io) -{ - ASSERT(c); - c->size=lib3ds_io_tell(io) - c->cur; - lib3ds_io_seek(io, c->cur+2, LIB3DS_SEEK_SET); - if (!lib3ds_io_write_dword(io, c->size)) { - LIB3DS_ERROR_LOG; - return(LIB3DS_FALSE); - } - - c->cur+=c->size; - lib3ds_io_seek(io, c->cur, LIB3DS_SEEK_SET); - if (lib3ds_io_error(io)) { - LIB3DS_ERROR_LOG; - return(LIB3DS_FALSE); - } - return(LIB3DS_TRUE); -} - - -/*! -* \ingroup chunk -*/ -Lib3dsBool -lib3ds_chunk_write_switch(Lib3dsWord chunk, Lib3dsIo *io) -{ - Lib3dsChunk c; - c.chunk=chunk; - c.size=6; - return lib3ds_chunk_write(&c,io); -} - - -/*! - * \ingroup chunk - */ -const char* -lib3ds_chunk_name(Lib3dsWord chunk) -{ - Lib3dsChunkTable *p; - - for (p=lib3ds_chunk_table; p->name!=0; ++p) { - if (p->chunk==chunk) { - return(p->name); - } - } - return("***UNKNOWN***"); -} - - -/*! - * \ingroup chunk - */ -void -lib3ds_chunk_unknown(Lib3dsWord chunk) -{ - if (enable_unknown) { - printf("%s***WARNING*** Unknown Chunk: %s (0x%X)\n", - lib3ds_chunk_level, - lib3ds_chunk_name(chunk), - chunk - ); - } -} - - -/*! - * \ingroup chunk - */ -void -lib3ds_chunk_dump_info(const char *format, ...) -{ - if (enable_dump) { - char s[1024]; - va_list marker; - - va_start(marker, format); - vsprintf(s, format, marker); - va_end(marker); - - printf("%s%s\n", lib3ds_chunk_level, s); - } -} - - - - - - - |