diff options
Diffstat (limited to '3dc/win95/MISHCHNK.CPP')
| -rw-r--r-- | 3dc/win95/MISHCHNK.CPP | 1999 |
1 files changed, 0 insertions, 1999 deletions
diff --git a/3dc/win95/MISHCHNK.CPP b/3dc/win95/MISHCHNK.CPP deleted file mode 100644 index 5f4dde3..0000000 --- a/3dc/win95/MISHCHNK.CPP +++ /dev/null @@ -1,1999 +0,0 @@ -#include "chunk.hpp" -#include "chnktype.hpp" -#include "mishchnk.hpp" - -#include "shpchunk.hpp" -#include "obchunk.hpp" - - - -#include "huffman.hpp" - - -#include <mbstring.h> - -#ifdef cencon -#define new my_new -#endif - - -// Class Lockable_Chunk_With_Children functions - -#if cencon -#else -extern char * users_name; -#endif - -//macro for helping to force inclusion of chunks when using libraries -FORCE_CHUNK_INCLUDE_IMPLEMENT(mishchnk) - -BOOL Lockable_Chunk_With_Children::lock_chunk(File_Chunk & fchunk) -{ - if (!fchunk.filename) return FALSE; - - if (local_lock) return FALSE; // you can't lock a chunk twice - - #if DisableLock - if(external_lock) return FALSE; - local_lock = TRUE; - set_lock_user (users_name); - return TRUE; - #else - if (!fchunk.check_file()) return FALSE; - if (updated_outside || external_lock) return FALSE; - - HANDLE rif_file; - unsigned long bytes_read; - - int tries = 0; - - rif_file = CreateFile (fchunk.filename, GENERIC_WRITE + GENERIC_READ, 0, 0, OPEN_EXISTING, - FILE_FLAG_RANDOM_ACCESS, 0); - - while(rif_file == INVALID_HANDLE_VALUE && tries<10) - { - rif_file = CreateFile (fchunk.filename, GENERIC_WRITE + GENERIC_READ, 0, 0, OPEN_EXISTING, - FILE_FLAG_RANDOM_ACCESS, 0); - tries ++; - clock_t ctime = clock(); - double secs = (double)ctime / (double)CLOCKS_PER_SEC; - double secsgone; - do - { - ctime = clock(); - secsgone = (double)ctime / (double)CLOCKS_PER_SEC; - } - while( (secsgone-secs)<1); - } - - if (rif_file == INVALID_HANDLE_VALUE) { - return FALSE; - } - - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - List<int> chfptrs; - list_chunks_in_file(& chfptrs, rif_file, identifier); - - LIF<int> cfpl(&chfptrs); - - if (chfptrs.size()) { - for (; !cfpl.done(); cfpl.next()) { - - SetFilePointer (rif_file, cfpl(),0,FILE_BEGIN); - - if (file_equals(rif_file)) break; - } - } - - if (!cfpl.done()) { - - // go to start of chunk - SetFilePointer (rif_file,cfpl(),0,FILE_BEGIN); - - // get header list - if (get_head_id()) - { - List<int> obhead; - list_chunks_in_file(& obhead, rif_file, get_head_id()); - - assert (obhead.size() == 1); - - int flags; - - // go to lock status in header - SetFilePointer(rif_file,obhead.first_entry() + 12,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &flags, 4, &bytes_read, 0); - SetFilePointer(rif_file,-4,0,FILE_CURRENT); - flags |= GENERAL_FLAG_LOCKED; - WriteFile (rif_file, (long *) &flags, 4, &bytes_read, 0); - WriteFile (rif_file, (long *) &users_name[0], 16, &bytes_read, 0); - } - - } - - local_lock = TRUE; - - set_lock_user (users_name); - - CloseHandle (rif_file); - return TRUE; - #endif - -} - -BOOL Lockable_Chunk_With_Children::unlock_chunk (File_Chunk & fchunk, BOOL updateyn) -{ - if (updateyn) { - updated = TRUE; - } - #if DisableLock - local_lock = FALSE; - (void)fchunk; - #else - else - { - fchunk.check_file(); - if (updated_outside || external_lock) return FALSE; - - HANDLE rif_file; - unsigned long bytes_read; - - rif_file = CreateFile (fchunk.filename, GENERIC_WRITE + GENERIC_READ, 0, 0, OPEN_EXISTING, - FILE_FLAG_RANDOM_ACCESS, 0); - - if (rif_file == INVALID_HANDLE_VALUE) { - return FALSE; - } - - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - List<int> chfptrs; - list_chunks_in_file(& chfptrs, rif_file, identifier); - - List<obinfile> obs; - - char name[50]; - - LIF<int> ofpl(&chfptrs); - - if (chfptrs.size()) { - for (; !ofpl.done(); ofpl.next()) { - - SetFilePointer (rif_file, ofpl(),0,FILE_BEGIN); - - if (file_equals(rif_file)) break; - } - } - - if (!ofpl.done()) { - - // go to start of chunk - SetFilePointer (rif_file,ofpl(),0,FILE_BEGIN); - - // get header list - if (get_head_id()) - { - List<int> obhead; - list_chunks_in_file(& obhead, rif_file, get_head_id()); - - assert (obhead.size() == 1); - - int flags; - - // go to lock status in header - SetFilePointer(rif_file,obhead.first_entry() + 12,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &flags, 4, &bytes_read, 0); - SetFilePointer(rif_file,-4,0,FILE_CURRENT); - flags &= ~GENERAL_FLAG_LOCKED; - WriteFile (rif_file, (long *) &flags, 4, &bytes_read, 0); - WriteFile (rif_file, (long *) &users_name[0], 16, &bytes_read, 0); - } - - } - - local_lock = FALSE; - - CloseHandle (rif_file); - } - #endif - - - return TRUE; - -} - - -BOOL Lockable_Chunk_With_Children::update_chunk_in_file(HANDLE &rif_file) -{ - - unsigned long bytes_read; - int length = 0; - - const char * hd_id = get_head_id(); - - if (!hd_id) return FALSE; - - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - //twprintf("\nLooking for chunks in file\n"); - - List<int> shpfptrs; - list_chunks_in_file(& shpfptrs, rif_file, identifier); - - // look through chunks for the save of our current chunk - - //twprintf("Checking each chunk\n"); - - LIF<int> sfpl(&shpfptrs); - - if (shpfptrs.size()) { - for (; !sfpl.done(); sfpl.next()) { - - SetFilePointer (rif_file, sfpl()+8,0,FILE_BEGIN); - - ReadFile (rif_file, (long *) &(length), 4, &bytes_read, 0); - - SetFilePointer (rif_file, sfpl(),0,FILE_BEGIN); - if (file_equals(rif_file)) break; - } - } - - // then load the file after that chunk into a buffer, - // output the chunk and write the buffer - // unless the chunk is the last one in the file - - //twprintf("Updating file\n"); - - if (!sfpl.done()) - { - - int file_length = GetFileSize(rif_file,0); - - if (file_length > (sfpl() + length)) { - - SetFilePointer (rif_file, sfpl() + length,0,FILE_BEGIN); - - char * tempbuffer; - tempbuffer = new char [file_length - (sfpl() + length)]; - - ReadFile (rif_file, (long *) tempbuffer, (file_length - (sfpl() + length)), &bytes_read, 0); - - SetFilePointer (rif_file, sfpl() ,0,FILE_BEGIN); - - if (!deleted) - { - size_chunk(); - output_chunk(rif_file); - } - - WriteFile (rif_file, (long *) tempbuffer, (file_length - (sfpl() + length)), &bytes_read, 0); - - delete [] tempbuffer; - - SetEndOfFile (rif_file); - } - else{ - - SetFilePointer (rif_file, sfpl() ,0,FILE_BEGIN); - if (!deleted) - { - size_chunk(); - output_chunk(rif_file); - } - SetEndOfFile (rif_file); - } - - } - else { - - SetFilePointer (rif_file,0 ,0,FILE_END); - if (!deleted) - { - size_chunk(); - output_chunk(rif_file); - } - SetEndOfFile (rif_file); - } - - local_lock = FALSE; - - updated = FALSE; - - int file_length = GetFileSize(rif_file,0); - SetFilePointer (rif_file,8,0,FILE_BEGIN); - - WriteFile (rif_file, (long *) &file_length, 4, &bytes_read, 0); - - - // DO NOT PUT ANY CODE AFTER THIS - - if (deleted) delete this; - - // OR ELSE !!! - - return TRUE; - -} - - -size_t Lockable_Chunk_With_Children::size_chunk_for_process() -{ - if (output_chunk_for_process) - return size_chunk(); - return(chunk_size = 0); -} - - -void Lockable_Chunk_With_Children::fill_data_block_for_process(char * data_start) -{ - if (output_chunk_for_process) - { - fill_data_block(data_start); - output_chunk_for_process = FALSE; - } -} - - - - -/////////////////////////////////////// - -// Class File_Chunk functions - -/* -Children for File_Chunk : -"REBSHAPE" Shape_Chunk -"RSPRITES" AllSprites_Chunk -"RBOBJECT" Object_Chunk -"RIFVERIN" RIF_Version_Num_Chunk -"REBENVDT" Environment_Data_Chunk -"REBENUMS" Enum_Chunk -"OBJCHIER" Object_Hierarchy_Chunk -"OBHALTSH" Object_Hierarchy_Alternate_Shape_Set_Chunk -"HIDEGDIS" Hierarchy_Degradation_Distance_Chunk -"INDSOUND" Indexed_Sound_Chunk -"HSETCOLL" Hierarchy_Shape_Set_Collection_Chunk -"DUMMYOBJ" Dummy_Object_Chunk - -*/ - -File_Chunk::File_Chunk(const char * file_name) -: Chunk_With_Children (NULL, "REBINFF2") -{ -// Load in whole chunk and traverse - char rifIsCompressed = FALSE; - char *uncompressedData = NULL; - HANDLE rif_file; - DWORD file_size; - DWORD file_size_from_file; - unsigned long bytes_read; - char * buffer; - char * buffer_ptr; - char id_buffer[9]; - - Parent_File = this; - - error_code = 0; - object_array_size=0; - object_array=0; - - filename = new char [strlen(file_name) + 1]; - - strcpy (filename, file_name); - - rif_file = CreateFileA (file_name, GENERIC_READ, 0, 0, OPEN_EXISTING, - FILE_FLAG_RANDOM_ACCESS, 0); - - if (rif_file == INVALID_HANDLE_VALUE) { - error_code = CHUNK_FAILED_ON_LOAD; - return; - } - - file_size = GetFileSize (rif_file, NULL); - - - if (!ReadFile(rif_file, id_buffer, 8, &bytes_read, 0)) { - error_code = CHUNK_FAILED_ON_LOAD; - CloseHandle (rif_file); - return; - } - - #if UseOldChunkLoader - if (strncmp (id_buffer, "REBINFLF", 8)) { - error_code = CHUNK_FAILED_ON_LOAD_NOT_RECOGNISED; - CloseHandle (rif_file); - return; - } - #else - /* KJL 16:46:14 19/09/98 - check for a compressed rif */ - if (!strncmp (id_buffer, COMPRESSED_RIF_IDENTIFIER, 8)) - { - rifIsCompressed = TRUE; - } - else if (strncmp (id_buffer, "REBINFF2", 8)) - { - error_code = CHUNK_FAILED_ON_LOAD_NOT_RECOGNISED; - CloseHandle (rif_file); - return; - } - #endif - buffer = new char [file_size]; - - /* KJL 17:57:44 19/09/98 - if the rif is compressed, we must load the whole - file in and then pass it to the decompression routine, which will return a - pointer to the original data. */ - if (rifIsCompressed) - { - if (!ReadFile(rif_file, buffer+8, (file_size-8), &bytes_read, 0)) - { - error_code = CHUNK_FAILED_ON_LOAD; - CloseHandle (rif_file); - return; - } - uncompressedData = HuffmanDecompress((HuffmanPackage*)buffer); - file_size = ((HuffmanPackage*)buffer)->UncompressedDataSize; - - delete [] buffer; // kill the buffer the compressed file was loaded into - - buffer_ptr = buffer = uncompressedData+12; // skip header data - } - else // the normal uncompressed approach: - { - if (!ReadFile(rif_file, &file_size_from_file, 4, &bytes_read, 0)) { - error_code = CHUNK_FAILED_ON_LOAD; - CloseHandle (rif_file); - return; - } - - if (file_size != file_size_from_file) { - error_code = CHUNK_FAILED_ON_LOAD_NOT_RECOGNISED; - CloseHandle (rif_file); - return; - } - - if (!ReadFile(rif_file, buffer, (file_size-12), &bytes_read, 0)) - { - error_code = CHUNK_FAILED_ON_LOAD; - CloseHandle (rif_file); - return; - } - buffer_ptr = buffer; - } - - // Process the RIF - // The start of the first chunk - - while ((buffer_ptr-buffer)< ((signed) file_size-12) && !error_code) { - - if ((*(int *)(buffer_ptr + 8)) + (buffer_ptr-buffer) > ((signed)file_size-12)) { - error_code = CHUNK_FAILED_ON_LOAD_NOT_RECOGNISED; - break; - } - - DynCreate(buffer_ptr); - buffer_ptr += *(int *)(buffer_ptr + 8); - - } - - /* KJL 17:59:42 19/09/98 - release the memory holding the rif */ - if (rifIsCompressed) - { - free(uncompressedData); - } - else - { - delete [] buffer; - } - - CloseHandle (rif_file); - - post_input_processing(); - -} - -File_Chunk::File_Chunk() -: Chunk_With_Children (NULL, "REBINFF2") -{ -// Empty File chunk - new RIF_Version_Num_Chunk (this); - filename = 0; - - object_array_size=0; - object_array=0; -} - - -File_Chunk::~File_Chunk() -{ - if (filename) - delete [] filename; - - if(object_array) - free(object_array); -} - -#define SAVE_USING_COMPRESSION 1 - -BOOL File_Chunk::write_file (const char * fname) -{ - if(!fname) return FALSE; - //if a read_only file exists with this filename , then abort attempt to save - DWORD attributes = GetFileAttributesA(fname); - if (0xffffffff!=attributes) - { - if (attributes & FILE_ATTRIBUTE_READONLY) - { - return FALSE; - } - } - - - - HANDLE rif_file; - - if (filename) delete [] filename; - - filename = new char [strlen(fname) + 1]; - strcpy (filename, fname); - - //save under a temporary name in case a crash occurs during save; - int filename_start_pos=0; - int pos=0; - while(fname[pos]) - { - if(fname[pos]=='\\' || fname[pos]==':') - { - filename_start_pos=pos+1; - } - //go to next MBCS character in string - pos+=_mbclen((unsigned const char*)&fname[pos]); - } - if(!fname[filename_start_pos]) return FALSE; - - char* temp_name=new char[strlen(fname)+7]; - strcpy(temp_name,fname); - strcpy(&temp_name[filename_start_pos],"~temp~"); - strcpy(&temp_name[filename_start_pos+6],&fname[filename_start_pos]); - - prepare_for_output(); - - - #if SAVE_USING_COMPRESSION - //create a block containing the uncompressed rif file - unsigned char* uncompressedData = (unsigned char*) make_data_block_from_chunk(); - if(!uncompressedData) return FALSE; - - //do the compression thing - HuffmanPackage *outPackage = HuffmanCompression(uncompressedData,chunk_size); - delete [] uncompressedData; - if(!outPackage) return FALSE; - - //and now try to write the file - rif_file = CreateFileA (temp_name, GENERIC_WRITE, 0, 0, CREATE_ALWAYS, - FILE_FLAG_RANDOM_ACCESS, 0); - - if (rif_file == INVALID_HANDLE_VALUE) { - delete [] temp_name; - free (outPackage); - return FALSE; - } - - unsigned long junk; - BOOL ok; - - ok = WriteFile (rif_file, (long *) outPackage,outPackage->CompressedDataSize+sizeof(HuffmanPackage), &junk, 0); - - CloseHandle (rif_file); - - free (outPackage); - - if(!ok) return FALSE; - - - #else - size_chunk(); - - rif_file = CreateFileA (temp_name, GENERIC_WRITE, 0, 0, CREATE_ALWAYS, - FILE_FLAG_RANDOM_ACCESS, 0); - - if (rif_file == INVALID_HANDLE_VALUE) { - delete [] temp_name; - return FALSE; - } - - if (!(this->output_chunk(rif_file))) - { - CloseHandle (rif_file); - delete [] temp_name; - return FALSE; - } - - CloseHandle (rif_file); - #endif - - //Delete the old file with this name (if it exists) , and rename the temprary file - DeleteFileA(fname); - MoveFileA(temp_name,fname); - - delete [] temp_name; - - return TRUE; -} - -// the file_chunk must link all of its shapes & objects together - -void File_Chunk::post_input_processing() -{ - List<Shape_Chunk *> shplist; - List<Object_Chunk *> objlist; - - List<Chunk *> child_lists; - - lookup_child("REBSHAPE",child_lists); - - while (child_lists.size()) { - shplist.add_entry((Shape_Chunk *)child_lists.first_entry()); - child_lists.delete_first_entry(); - } - - lookup_child("RBOBJECT",child_lists); - - while (child_lists.size()) { - objlist.add_entry((Object_Chunk *)child_lists.first_entry()); - child_lists.delete_first_entry(); - } - - for (LIF<Shape_Chunk *> sli(&shplist); !sli.done(); sli.next()) - { - Shape_Chunk::max_id = max (Shape_Chunk::max_id,sli()->get_header()->file_id_num); - } - Shape_Chunk** shape_array=new Shape_Chunk*[Shape_Chunk::max_id+1]; - - for(sli.restart();!sli.done();sli.next()) - { - shape_array[sli()->get_header()->file_id_num]=sli(); - } - - for (LIF<Object_Chunk *> ol(&objlist); !ol.done(); ol.next()) - { - ol()->assoc_with_shape(shape_array[ol()->get_header()->shape_id_no]); - } - - delete shape_array; - - - Chunk_With_Children::post_input_processing(); -} - - - -BOOL File_Chunk::check_file() -{ - if (!filename) return TRUE; - - #if DisableLock - return(TRUE); - #else - - int flags; - int v_no; - char locker[17]; - - - HANDLE rif_file; - unsigned long bytes_read; - - int tries = 0; - - rif_file = CreateFileA (filename, GENERIC_READ, 0, 0, OPEN_EXISTING, - FILE_FLAG_RANDOM_ACCESS, 0); - - while(rif_file == INVALID_HANDLE_VALUE && tries<10) - { - rif_file = CreateFileA (filename, GENERIC_READ, 0, 0, OPEN_EXISTING, - FILE_FLAG_RANDOM_ACCESS, 0); - tries ++; - clock_t ctime = clock(); - double secs = (double)ctime / (double)CLOCKS_PER_SEC; - double secsgone; - do - { - ctime = clock(); - secsgone = (double)ctime / (double)CLOCKS_PER_SEC; - } - while( (secsgone-secs)<1); - } - - if (rif_file == INVALID_HANDLE_VALUE) { - error_code = CHECK_FAILED_NOT_OPEN; - return FALSE; - } - - - if (rif_file == INVALID_HANDLE_VALUE) { - error_code = CHECK_FAILED_NOT_OPEN; - return FALSE; - } - - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - List<int> obfptrs; - list_chunks_in_file(& obfptrs, rif_file, "RBOBJECT"); - -// ok, go through the objects, first locate the header and find -// the associated object. - - if (obfptrs.size()) { - - for (LIF<int> obflst(&obfptrs); !obflst.done(); obflst.next()) { - - // go to start of chunk - SetFilePointer (rif_file,obflst(),0,FILE_BEGIN); - - // get header list - List<int> obhead; - list_chunks_in_file(& obhead, rif_file, "OBJHEAD1"); - - assert (obhead.size() == 1); - - // go to lock status in header - SetFilePointer(rif_file,obhead.first_entry() + 12,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &flags, 4, &bytes_read, 0); - ReadFile (rif_file, (long *) locker, 16, &bytes_read, 0); - - // go to version number - SetFilePointer(rif_file,obhead.first_entry() + 88,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &v_no, 4, &bytes_read, 0); - - char name[50]; - - // get object identifier - SetFilePointer(rif_file,obhead.first_entry() + 96,0,FILE_BEGIN); - int i = 0; - do ReadFile (rif_file, (long *) (name + i), 1, &bytes_read, 0); - while (name[i++] != 0); - - Object_Chunk * tmpob; - Object_Header_Chunk * tmpobh; - List<Chunk *> obchs; - lookup_child ("RBOBJECT",obchs); - - if (obchs.size()){ - for (LIF<Chunk *> obchls(&obchs); !obchls.done(); obchls.next()){ - tmpob = (Object_Chunk *)obchls(); - // if this is the same object - if (!strcmp (name, tmpob->object_data.o_name)) break; - } - if (!obchls.done()) { - tmpobh = tmpob->get_header(); - if (tmpobh) { - if (tmpobh->version_no < v_no) - tmpob->updated_outside = TRUE; - if (flags & GENERAL_FLAG_LOCKED) { - // do the lock check - if (!tmpob->local_lock) { - tmpob->external_lock = TRUE; - strncpy(tmpobh->lock_user, locker,16); - tmpobh->lock_user[16] = '\0'; - } - else if (strncmp(tmpobh->lock_user, locker,16)) { - tmpob->external_lock = TRUE; - strncpy(tmpobh->lock_user, locker,16); - tmpobh->lock_user[16] = '\0'; - } - } - } - - } - - } - - } - - } - - // shapes - - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - List<int> shpfptrs; - list_chunks_in_file(& shpfptrs, rif_file, "REBSHAPE"); - - if (shpfptrs.size()) { - - for (LIF<int> shpflst(&shpfptrs); !shpflst.done(); shpflst.next()) { - - // go to start of chunk - SetFilePointer (rif_file,shpflst(),0,FILE_BEGIN); - - // get header list - List<int> shphead; - list_chunks_in_file(& shphead, rif_file, "SHPHEAD1"); - - assert (shphead.size() == 1); - - // go to lock status in header - SetFilePointer(rif_file,shphead.first_entry() + 12,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &flags, 4, &bytes_read, 0); - ReadFile (rif_file, (long *) locker, 16, &bytes_read, 0); - - int id; - // get shape identifier - ReadFile (rif_file, (long *) &id, 4, &bytes_read, 0); - - - // Here we update max_id - Shape_Chunk::max_id = max (Shape_Chunk::max_id,id); - - // go to version number - SetFilePointer(rif_file,shphead.first_entry() + 100,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &v_no, 4, &bytes_read, 0); - - Shape_Chunk * tmpshp; - Shape_Header_Chunk * tmpshph; - List<Chunk *> shpchs; - lookup_child ("REBSHAPE",shpchs); - - if (shpchs.size()){ - for (LIF<Chunk *> shpchls(&shpchs); !shpchls.done(); shpchls.next()){ - tmpshp = (Shape_Chunk *)shpchls(); - tmpshph = tmpshp->get_header(); - // if this is the same object - if (tmpshph) - if (id == tmpshph->file_id_num) break; - } - if (!shpchls.done()) { - if (tmpshph->version_no < v_no) - tmpshp->updated_outside = TRUE; - if (flags & GENERAL_FLAG_LOCKED) { - // do the lock check - if (!tmpshp->local_lock) { - tmpshp->external_lock = TRUE; - strncpy(tmpshph->lock_user, locker,16); - tmpshph->lock_user[16] = '\0'; - } - else if (strncmp(tmpshph->lock_user, locker,16)) { - tmpshp->external_lock = TRUE; - strncpy(tmpshph->lock_user, locker,16); - tmpshph->lock_user[16] = '\0'; - } - } - - } - - } - - } - - } - - // sprites - - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - List<int> sprfptrs; - list_chunks_in_file(& sprfptrs, rif_file, "RSPRITES"); - List<Chunk *> sprchlst; - lookup_child("RSPRITES",sprchlst); - - AllSprites_Chunk * sprch; - AllSprites_Header_Chunk * sprhead = 0; - - if (sprchlst.size()) - { - sprch = (AllSprites_Chunk *)sprchlst.first_entry(); - sprhead = sprch->get_header(); - } - - if (sprhead) - { - if (sprfptrs.size()) - { - SetFilePointer (rif_file,sprfptrs.first_entry(),0,FILE_BEGIN); - - // get header list - List<int> sprchhl; - list_chunks_in_file(& sprchhl, rif_file, "ASPRHEAD"); - - assert (sprchhl.size() == 1); - - // go to lock status in header - SetFilePointer(rif_file,sprchhl.first_entry() + 12,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &flags, 4, &bytes_read, 0); - ReadFile (rif_file, (long *) locker, 16, &bytes_read, 0); - - // go to version number - SetFilePointer(rif_file,sprchhl.first_entry() + 32,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &v_no, 4, &bytes_read, 0); - - if (sprhead->version_no < v_no) - { - sprch->updated_outside = TRUE; - } - if (flags & GENERAL_FLAG_LOCKED) - { - if (!sprch->local_lock) { - sprch->external_lock = TRUE; - strncpy(sprhead->lock_user, locker,16); - sprhead->lock_user[16] = '\0'; - } - else if (strncmp(sprhead->lock_user, locker,16)) { - sprch->external_lock = TRUE; - strncpy(sprhead->lock_user, locker,16); - sprhead->lock_user[16] = '\0'; - } - } - } - } - - // environment data - - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - List<int> edfptrs; - list_chunks_in_file(& edfptrs, rif_file, "REBENVDT"); - - Environment_Data_Chunk * ed; - Environment_Data_Header_Chunk * edhead = 0; - - - ed = (Environment_Data_Chunk *)lookup_single_child("REBENVDT"); - if (ed) - { - edhead = ed->get_header(); - } - - if (edhead) - { - if (edfptrs.size()) - { - SetFilePointer (rif_file,edfptrs.first_entry(),0,FILE_BEGIN); - - // get header list - List<int> edhl; list_chunks_in_file(& edhl, rif_file, "ENDTHEAD"); - - assert (edhl.size() == 1); - - // go to lock status in header - SetFilePointer(rif_file,edhl.first_entry() + 12,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &flags, 4, &bytes_read, 0); - ReadFile (rif_file, (long *) locker, 16, &bytes_read, 0); - - // go to version number - SetFilePointer(rif_file,edhl.first_entry() + 32,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &v_no, 4, &bytes_read, 0); - - if (edhead->version_no < v_no) - { - ed->updated_outside = TRUE; - } - if (flags & GENERAL_FLAG_LOCKED) - { - if (!ed->local_lock) { - ed->external_lock = TRUE; - strncpy(edhead->lock_user, locker,16); - edhead->lock_user[16] = '\0'; - } - else if (strncmp(edhead->lock_user, locker,16)) { - ed->external_lock = TRUE; - strncpy(edhead->lock_user, locker,16); - edhead->lock_user[16] = '\0'; - } - } - } - } - - // check file for REBENUMS chunk - - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - List<int> enumfptrs; list_chunks_in_file(& enumfptrs, rif_file, "REBENUMS"); - - Enum_Chunk * enumch; - Enum_Header_Chunk * enumhead = 0; - - enumch = (Enum_Chunk *)lookup_single_child("REBENUMS"); - if (enumch) - { - enumhead = enumch->get_header(); - } - - if (enumhead) - { - if (enumfptrs.size()) - { - SetFilePointer (rif_file,enumfptrs.first_entry(),0,FILE_BEGIN); - - // get header list - List<int> enumchhl; list_chunks_in_file(& enumchhl, rif_file, "ENUMHEAD"); - - assert (enumchhl.size() == 1); - - // go to lock status in header - SetFilePointer(rif_file,enumchhl.first_entry() + 12,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &flags, 4, &bytes_read, 0); - ReadFile (rif_file, (long *) locker, 16, &bytes_read, 0); - - // go to version number - SetFilePointer(rif_file,enumchhl.first_entry() + 32,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &v_no, 4, &bytes_read, 0); - - if (enumhead->version_no < v_no) - { - enumch->updated_outside = TRUE; - } - if (flags & GENERAL_FLAG_LOCKED) - { - if (!enumch->local_lock) { - enumch->external_lock = TRUE; - strncpy(enumhead->lock_user, locker,16); - enumhead->lock_user[16] = '\0'; - } - else if (strncmp(enumhead->lock_user, locker,16)) { - enumch->external_lock = TRUE; - strncpy(enumhead->lock_user, locker,16); - enumhead->lock_user[16] = '\0'; - } - } - } - } - - CloseHandle (rif_file); - - return TRUE; - #endif -} - - -#if InterfaceEngine - - extern File_Chunk * Env_Chunk; - -#endif - -BOOL File_Chunk::update_file() -{ - - #if DisableLock - if (!filename) return FALSE; - - char tempname [256]; - strcpy (tempname, filename); - - List<Shape_Chunk *> slist; - list_shapes(&slist); - List<Object_Chunk *> olist; - list_objects(&olist); - - for (LIF<Shape_Chunk *> sli(&slist); !sli.done(); sli.next()) - { - if (sli()->deleted) - { - delete sli(); - } - } - - for (LIF<Object_Chunk *> oli(&olist); !oli.done(); oli.next()) - { - if (oli()->deleted) - { - delete oli(); - } - } - - - return(write_file(tempname)); - - #else - -#if InterfaceEngine - - // log, to track error - char fname [256]; - char * dotpos; - - strcpy (fname, filename); - - dotpos = strrchr (fname, '.'); - - sprintf (dotpos, ".log"); - - FILE * log = fopen (fname, "a"); - -#endif - - if (!filename) return FALSE; - - twprintf("Updating %s\n",filename); - - check_file(); - - HANDLE rif_file; - unsigned long bytes_read; - - int tries = 0; - - //twprintf("Opening file\n"); - - rif_file = CreateFileA (filename, GENERIC_WRITE + GENERIC_READ, 0, 0, OPEN_EXISTING, - FILE_FLAG_RANDOM_ACCESS, 0); - - if (rif_file == INVALID_HANDLE_VALUE) - { - DWORD error_num = GetLastError(); - switch (error_num) - { - case ERROR_SHARING_VIOLATION: - twprintf("Sharing violation - retrying\n"); - break; - case ERROR_ACCESS_DENIED: - twprintf("File is Read Only\n"); - return FALSE; - default: - twprintf("Unknown error updating file, Error code %#08x\n",error_num); - return FALSE; - } - } - - while(rif_file == INVALID_HANDLE_VALUE && tries<10) - { - twprintf("Again...\n"); - rif_file = CreateFileA (filename, GENERIC_WRITE + GENERIC_READ, 0, 0, OPEN_EXISTING, - FILE_FLAG_RANDOM_ACCESS, 0); - tries ++; - clock_t ctime = clock(); - double secs = (double)ctime / (double)CLOCKS_PER_SEC; - double secsgone; - do - { - ctime = clock(); - secsgone = (double)ctime / (double)CLOCKS_PER_SEC; - } - while( (secsgone-secs)<1); - } - - if (rif_file == INVALID_HANDLE_VALUE) { - error_code = CHECK_FAILED_NOT_OPEN; - twprintf("ERROR - SHARING VIOLATION UNRESOLVED\n\n"); - return FALSE; - } - - //twprintf("Opened\n\n"); - - prepare_for_output(); - - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - //twprintf("Version info\n"); - - List<int> verinf; list_chunks_in_file(& verinf, rif_file, "RIFVERIN"); - -// taking first entry of this list, if there are more - tough ha ha -// there shouldn't be - -// Just increment it by one and reoutput -// check_file sets the internal copy of the chunk to the current file -// setting, so we need to increment that as well - - if (verinf.size()) { - - int f_version_num; - SetFilePointer (rif_file,verinf.first_entry() + 12,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &f_version_num, 4, &bytes_read, 0); - - SetFilePointer (rif_file,verinf.first_entry() + 12,0,FILE_BEGIN); - - RIF_Version_Num_Chunk* rvnc=(RIF_Version_Num_Chunk*)lookup_single_child ("RIFVERIN"); - - if (rvnc) - rvnc->file_version_no++; - - f_version_num++; - - WriteFile (rif_file, (long *) &f_version_num, 4, &bytes_read, 0); - - } - -// go through the list of shape chunks looking for shape chunks to output - //twprintf("\nShapes\n"); - - List<Chunk *> shplst; - lookup_child ("REBSHAPE",shplst); - - if (shplst.size()) - for (LIF<Chunk *> sli(&shplst); !sli.done(); sli.next()) { - - Shape_Chunk * tmpshpptr = ((Shape_Chunk *)sli()); - - if (tmpshpptr->updated && - !(tmpshpptr->updated_outside || tmpshpptr->external_lock)) - tmpshpptr->update_chunk_in_file(rif_file); - } - - -// go through the list of object chunks looking for chunks to output - //twprintf("\nObjects\n"); - - List<Chunk *> oblst; - lookup_child ("RBOBJECT",oblst); - - if (oblst.size()) - for (LIF<Chunk *> oli(&oblst); !oli.done(); oli.next()) { - - Object_Chunk * tmpobptr = ((Object_Chunk *)oli()); - - if (tmpobptr->updated && !(tmpobptr->updated_outside || tmpobptr->external_lock)) - tmpobptr->update_chunk_in_file(rif_file); - - } - - - //twprintf("\nSprites\n"); - - List<Chunk *> sprfptrs; - lookup_child ("RSPRITES",sprfptrs); - AllSprites_Chunk * sprch; - - if (sprfptrs.size()) - { - sprch = (AllSprites_Chunk *)sprfptrs.first_entry(); - if (sprch->updated && - !(sprch->updated_outside || sprch->external_lock)) - sprch->update_chunk_in_file(rif_file); - } - - //twprintf("\nEnvironment data\n"); - - Environment_Data_Chunk * ed; - - ed = (Environment_Data_Chunk *)lookup_single_child ("REBENVDT"); - if (ed) - { - -#if InterfaceEngine - - fprintf (log, "Env_Data %d %d %d %d", ed->updated, ed->local_lock, ed->updated_outside, ed->external_lock); - -#endif - - if (ed->updated && - !(ed->updated_outside || ed->external_lock)) - ed->update_chunk_in_file(rif_file); - } - - //twprintf("\nEnum data\n"); - - List<Chunk *> enumfptrs; - lookup_child ("REBENUMS",enumfptrs); - Enum_Chunk * enumch; - - if (enumfptrs.size()) - { - enumch = (Enum_Chunk *)enumfptrs.first_entry(); - if (enumch->updated && - !(enumch->updated_outside || enumch->external_lock)) - enumch->update_chunk_in_file(rif_file); - } - - // - - int file_length = GetFileSize(rif_file,0); - SetFilePointer (rif_file,8,0,FILE_BEGIN); - - WriteFile (rif_file, (long *) &file_length, 4, &bytes_read, 0); - - CloseHandle (rif_file); - -#if InterfaceEngine - - fclose (log); - -#endif - return TRUE; - - #endif //DisableLock -} - -BOOL File_Chunk::update_chunks_from_file() -{ - #if DisableLock - return(TRUE); - #endif - - if (!filename) return FALSE; - check_file(); - - HANDLE rif_file; - unsigned long bytes_read; - - rif_file = CreateFileA (filename, GENERIC_WRITE + GENERIC_READ, 0, 0, OPEN_EXISTING, - FILE_FLAG_RANDOM_ACCESS, 0); - - if (rif_file == INVALID_HANDLE_VALUE) { - error_code = CHECK_FAILED_NOT_OPEN; - return FALSE; - } - - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - List<int> verinf; list_chunks_in_file(& verinf, rif_file, "RIFVERIN"); - - if (verinf.size()) { - - int f_version_num; - SetFilePointer (rif_file,verinf.first_entry() + 12,0,FILE_BEGIN); - ReadFile (rif_file, (long *) &f_version_num, 4, &bytes_read, 0); - - SetFilePointer (rif_file,verinf.first_entry() + 12,0,FILE_BEGIN); - - List<Chunk *> lverinf; - lookup_child ("RIFVERIN",lverinf); - - if (lverinf.size()) - if (f_version_num == ((RIF_Version_Num_Chunk *)(lverinf.first_entry()))->file_version_no){ - CloseHandle (rif_file); - return TRUE; - } - - } - - // go through the list of object chunks looking for chunks to input - - List<Chunk *> oblst; - lookup_child ("RBOBJECT",oblst); - - if (oblst.size()) - for (LIF<Chunk *> oli(&oblst); !oli.done(); oli.next()) { - - Object_Chunk * tmpobptr = ((Object_Chunk *)oli()); - - if (tmpobptr->updated_outside) { - // find the chunk, then input it to a buffer and create a new object - // from the buffer - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - List<int> obfptrs; list_chunks_in_file(& obfptrs, rif_file, "RBOBJECT"); - - char name[50]; - - LIF<int> ofpl(&obfptrs); - - if (obfptrs.size()) { - for (; !ofpl.done(); ofpl.next()) { - - SetFilePointer (rif_file, ofpl(),0,FILE_BEGIN); - // get header list - List<int> obhead; list_chunks_in_file(& obhead, rif_file, "OBJHEAD1"); - - assert (obhead.size() == 1); - - // get object identifier - SetFilePointer(rif_file,obhead.first_entry() + 96,0,FILE_BEGIN); - int i = 0; - do ReadFile (rif_file, (long *) (name + i), 1, &bytes_read, 0); - while (name[i++] != 0); - - if (!strcmp(name, tmpobptr->object_data.o_name)) break; - } - } - - if (!ofpl.done()) { - - char * buffer; - - SetFilePointer (rif_file,ofpl()+8,0,FILE_BEGIN); - int length; - ReadFile(rif_file, (long *) &length, 4, &bytes_read, 0); - buffer = new char [length]; - ReadFile(rif_file, (long *) buffer, length-12, &bytes_read, 0); - new Object_Chunk (this, buffer, length-12); - delete [] buffer; - if (tmpobptr->get_header()) - if (tmpobptr->get_header()->associated_shape) - tmpobptr->deassoc_with_shape(tmpobptr->get_header()->associated_shape); - delete tmpobptr; - - } - - - } - - } - -// go through the list of shape chunks looking for shape chunks to input - - List<Chunk *> shplst; - lookup_child ("REBSHAPE",shplst); - - if (shplst.size()) - for (LIF<Chunk *> sli(&shplst); !sli.done(); sli.next()) { - - Shape_Chunk * tmpshpptr = ((Shape_Chunk *)sli()); - - Shape_Header_Chunk * shhead = tmpshpptr->get_header(); - - if (!shhead) continue; - - if (tmpshpptr->updated_outside) { - // find the chunk, then input it to a buffer and create a new object - // from the buffer - SetFilePointer (rif_file,0,0,FILE_BEGIN); - - List<int> shfptrs; list_chunks_in_file(& shfptrs, rif_file, "REBSHAPE"); - - LIF<int> sfpl(&shfptrs); - - if (shfptrs.size()) { - for (sfpl.restart(); !sfpl.done(); sfpl.next()) { - - SetFilePointer (rif_file, sfpl(),0,FILE_BEGIN); - // get header list - List<int> shphead; list_chunks_in_file(& shphead, rif_file, "SHPHEAD1"); - - assert (shphead.size() == 1); - - // get object identifier - SetFilePointer(rif_file,shphead.first_entry() + 32,0,FILE_BEGIN); - int sh_number; - ReadFile (rif_file, (long *) &sh_number, 4, &bytes_read, 0); - - if (sh_number == shhead->file_id_num) break; - } - } - - if (!sfpl.done()) { - - char * buffer; - - SetFilePointer (rif_file,sfpl()+8,0,FILE_BEGIN); - int length; - ReadFile(rif_file, (long *) &length, 4, &bytes_read, 0); - buffer = new char [length]; - ReadFile(rif_file, (long *) buffer, length-12, &bytes_read, 0); - new Shape_Chunk (this, buffer, length-12); - delete [] buffer; - // Associate with the new objects - if ((shhead->associated_objects_store).size()) - { - for (LIF<Object_Chunk *> aol(&(shhead->associated_objects_store)); !aol.done(); aol.next()) - { - tmpshpptr->deassoc_with_object(aol()); - } - } - delete tmpshpptr; - } - } - } - - post_input_processing(); - - CloseHandle(rif_file); - - return TRUE; - -} - -void File_Chunk::list_objects(List<Object_Chunk *> * pList) -{ - Chunk * child_ptr = children; - - while (pList->size()) - pList->delete_first_entry(); - - if (children) - while (child_ptr != NULL) { - if (strncmp ("RBOBJECT", child_ptr->identifier, 8) == NULL) - { - assert (!child_ptr->r_u_miscellaneous()); - pList->add_entry((Object_Chunk *)child_ptr); - } - child_ptr = child_ptr->next; - } - -} - -void File_Chunk::list_shapes(List<Shape_Chunk *> * pList) -{ - Chunk * child_ptr = children; - - while (pList->size()) - pList->delete_first_entry(); - - if (children) - while (child_ptr != NULL) { - if (strncmp ("REBSHAPE", child_ptr->identifier, 8) == NULL) - { - assert (!child_ptr->r_u_miscellaneous()); - pList->add_entry((Shape_Chunk *)child_ptr); - } - child_ptr = child_ptr->next; - } - -} - -void File_Chunk::list_dummy_objects(List<Dummy_Object_Chunk *> * pList){ - Chunk * child_ptr = children; - - while (pList->size()) - pList->delete_first_entry(); - - if (children) - while (child_ptr != NULL) { - if (strncmp ("DUMMYOBJ", child_ptr->identifier, 8) == NULL) - { - assert (!child_ptr->r_u_miscellaneous()); - pList->add_entry((Dummy_Object_Chunk *)child_ptr); - } - child_ptr = child_ptr->next; - } - -} - -Environment_Data_Chunk * File_Chunk::get_env_data() -{ - List<Environment_Data_Chunk *> e_list; - Chunk * child_ptr = children; - - if (children) - while (child_ptr != NULL) { - if (strncmp ("REBENVDT", child_ptr->identifier, 8) == NULL) - { - assert (!child_ptr->r_u_miscellaneous()); - e_list.add_entry((Environment_Data_Chunk *)child_ptr); - } - child_ptr = child_ptr->next; - } - - // There can be only ONE. - assert (e_list.size() < 2); - - if (e_list.size()) - return e_list.first_entry(); - else - { - return(0); - } -} - -void File_Chunk::build_object_array() -{ - List<Object_Chunk*> oblist; - list_objects(&oblist); - - if(object_array) - { - free(object_array); - object_array=0; - } - object_array_size=0; - - LIF<Object_Chunk*> oblif(&oblist); - - //find the highest object index - for(oblif.restart();!oblif.done();oblif.next()) - { - object_array_size=max(object_array_size,oblif()->object_data.index_num+1); - } - - if(object_array_size<=0) return; - - object_array = (Object_Chunk**) malloc(sizeof(Object_Chunk*)*object_array_size); - for(int i=0;i<object_array_size;i++) - { - object_array[i]=0; - } - - //now fill in object array - - for(oblif.restart();!oblif.done();oblif.next()) - { - int index=oblif()->object_data.index_num; - if(index>=0) - { - object_array[index]=oblif(); - } - } -} - -Object_Chunk* File_Chunk::get_object_by_index(int index) -{ - if(!object_array) build_object_array(); - if(index<0 || index>=object_array_size)return 0; - return object_array[index]; -} - -void File_Chunk::assign_index_to_object(Object_Chunk* object) -{ - assert(object); - - if(!object_array) build_object_array(); - //see if there is a free index - - for(int i=0;i<object_array_size;i++) - { - if(!object_array[i]) - { - object->object_data_store->index_num=i; - object_array[i]=object; - return; - } - } - - //add a new entry on the end of the array - object_array_size++; - - object_array=(Object_Chunk**) realloc(object_array,sizeof(Object_Chunk*)*object_array_size); - - - object->object_data_store->index_num=object_array_size-1;; - object_array[object_array_size-1]=object; -} - -///////////////////////////////////////// - -// Class GodFather_Chunk functions - -/* -Children for GodFather_Chunk : -"REBSHAPE" Shape_Chunk -"RSPRITES" AllSprites_Chunk -"RBOBJECT" Object_Chunk -"RIFVERIN" RIF_Version_Num_Chunk -"REBENVDT" Environment_Data_Chunk -"REBENUMS" Enum_Chunk -"OBJCHIER" Object_Hierarchy_Chunk -"OBHALTSH" Object_Hierarchy_Alternate_Shape_Set_Chunk - -*/ - -GodFather_Chunk::GodFather_Chunk(char * buffer, size_t size) -: Chunk_With_Children (NULL, "REBINFF2") -{ - Parent_File = this; - - char * buffer_ptr = buffer; - - // The start of the first chunk - - while ((buffer_ptr-buffer)< ((signed)size-12) && !error_code) { - - if ((*(int *)(buffer_ptr + 8)) + (buffer_ptr-buffer) > ((signed)size-12)) { - error_code = CHUNK_FAILED_ON_LOAD_NOT_RECOGNISED; - break; - } - - DynCreate(buffer_ptr); - buffer_ptr += *(int *)(buffer_ptr + 8); - - } - -} - -///////////////////////////////////////// - -// Class RIF_Version_Num_Chunk functions - -RIF_IMPLEMENT_DYNCREATE("RIFVERIN",RIF_Version_Num_Chunk) - -void RIF_Version_Num_Chunk::fill_data_block(char * data_start) -{ - strncpy (data_start, identifier, 8); - - data_start += 8; - - *((int *) data_start) = chunk_size; - - data_start += 4; - - *((int *) data_start) = file_version_no; - -} - - -///////////////////////////////////////// - -// Class RIF_Name_Chunk functions -RIF_IMPLEMENT_DYNCREATE("RIFFNAME",RIF_Name_Chunk) - -RIF_Name_Chunk::RIF_Name_Chunk (Chunk_With_Children * parent, const char * rname) -: Chunk (parent, "RIFFNAME") -{ - rif_name = new char [strlen(rname)+1]; - strcpy (rif_name, rname); -} - -RIF_Name_Chunk::RIF_Name_Chunk (Chunk_With_Children * parent, const char * rdata, size_t /*rsize*/) -: Chunk (parent, "RIFFNAME") -{ - rif_name = new char [strlen(rdata)+1]; - strcpy (rif_name, rdata); -} - -RIF_Name_Chunk::~RIF_Name_Chunk () -{ - if (rif_name) - delete [] rif_name; -} - - -void RIF_Name_Chunk::fill_data_block (char * data_start) -{ - strncpy (data_start, identifier, 8); - - data_start += 8; - - *((int *) data_start) = chunk_size; - - data_start += 4; - - strcpy (data_start, rif_name); - -} - - -/////////////////////////////////////// - -/* -Children for RIF_File_Chunk : -"REBSHAPE" Shape_Chunk -"RSPRITES" AllSprites_Chunk -"RBOBJECT" Object_Chunk -"RIFVERIN" RIF_Version_Num_Chunk -"REBENVDT" Environment_Data_Chunk -"OBJCHIER" Object_Hierarchy_Chunk -"OBHALTSH" Object_Hierarchy_Alternate_Shape_Set_Chunk - -*/ - - -RIF_File_Chunk::RIF_File_Chunk (Chunk_With_Children * parent, const char * file_name) -: Chunk_With_Children (parent, "SUBRIFFL") -{ - char rifIsCompressed = FALSE; - char *uncompressedData = NULL; - HANDLE rif_file; - DWORD file_size; - DWORD file_size_from_file; - unsigned long bytes_read; - char * buffer; - char * buffer_ptr; - char id_buffer[9]; - - - Chunk * ParentFileStore = Parent_File; - - Parent_File = this; - - error_code = 0; - - rif_file = CreateFileA (file_name, GENERIC_READ, 0, 0, OPEN_EXISTING, - FILE_FLAG_RANDOM_ACCESS, 0); - - - if (rif_file == INVALID_HANDLE_VALUE) { - error_code = CHUNK_FAILED_ON_LOAD; - Parent_File = ParentFileStore; - return; - } - - file_size = GetFileSize (rif_file, NULL); - - if (!ReadFile(rif_file, id_buffer, 8, &bytes_read, 0)) { - error_code = CHUNK_FAILED_ON_LOAD; - CloseHandle (rif_file); - Parent_File = ParentFileStore; - return; - } - - //check for compressed rif - if (!strncmp (id_buffer, COMPRESSED_RIF_IDENTIFIER, 8)) - { - rifIsCompressed = TRUE; - } - else if (strncmp (id_buffer, "REBINFF2", 8)) { - error_code = CHUNK_FAILED_ON_LOAD_NOT_RECOGNISED; - CloseHandle (rif_file); - Parent_File = ParentFileStore; - return; - } - - buffer = new char [file_size]; - - /* KJL 17:57:44 19/09/98 - if the rif is compressed, we must load the whole - file in and then pass it to the decompression routine, which will return a - pointer to the original data. */ - if (rifIsCompressed) - { - if (!ReadFile(rif_file, buffer+8, (file_size-8), &bytes_read, 0)) - { - error_code = CHUNK_FAILED_ON_LOAD; - CloseHandle (rif_file); - Parent_File = ParentFileStore; - delete [] buffer; - return; - } - uncompressedData = HuffmanDecompress((HuffmanPackage*)buffer); - file_size = ((HuffmanPackage*)buffer)->UncompressedDataSize; - - delete [] buffer; // kill the buffer the compressed file was loaded into - - buffer_ptr = buffer = uncompressedData+12; // skip header data - } - else // the normal uncompressed approach: - { - //get the file size stored in the rif file - if (!ReadFile(rif_file, &file_size_from_file, 4, &bytes_read, 0)) { - error_code = CHUNK_FAILED_ON_LOAD; - CloseHandle (rif_file); - Parent_File = ParentFileStore; - delete [] buffer; - return; - } - - //and compare with the actual file size - if (file_size != file_size_from_file) { - error_code = CHUNK_FAILED_ON_LOAD_NOT_RECOGNISED; - CloseHandle (rif_file); - Parent_File = ParentFileStore; - delete [] buffer; - return; - } - - //read the rest of the file into the buffer - if (!ReadFile(rif_file, buffer, (file_size-12), &bytes_read, 0)) - { - error_code = CHUNK_FAILED_ON_LOAD; - CloseHandle (rif_file); - Parent_File = ParentFileStore; - delete [] buffer; - return; - } - buffer_ptr = buffer; - } - - - - - // Process the RIF - - // The start of the first chunk - - while ((buffer_ptr-buffer)< ((signed) file_size-12) && !error_code) { - - if ((*(int *)(buffer_ptr + 8)) + (buffer_ptr-buffer) > ((signed)file_size-12)) { - error_code = CHUNK_FAILED_ON_LOAD_NOT_RECOGNISED; - break; - } - - DynCreate(buffer_ptr); - buffer_ptr += *(int *)(buffer_ptr + 8); - } - - /* KJL 17:59:42 19/09/98 - release the memory holding the rif */ - if (rifIsCompressed) - { - free(uncompressedData); - } - else - { - delete [] buffer; - } - - CloseHandle (rif_file); - - post_input_processing(); - - Parent_File = ParentFileStore; - -} - -void RIF_File_Chunk::post_input_processing() -{ - List<Shape_Chunk *> shplist; - List<Object_Chunk *> objlist; - - List<Chunk *> child_lists; - - lookup_child("REBSHAPE",child_lists); - - while (child_lists.size()) { - shplist.add_entry((Shape_Chunk *)child_lists.first_entry()); - child_lists.delete_first_entry(); - } - - lookup_child("RBOBJECT",child_lists); - - - while (child_lists.size()) { - objlist.add_entry((Object_Chunk *)child_lists.first_entry()); - child_lists.delete_first_entry(); - } - - for (LIF<Object_Chunk *> ol(&objlist); !ol.done(); ol.next()) { - - if (ol()->get_header()) { - - for (LIF<Shape_Chunk *> sl(&shplist); - !sl.done(); sl.next()) { - if (sl()->get_header()) - if (sl()->get_header()->file_id_num == ol()->get_header()->shape_id_no){ - ol()->assoc_with_shape(sl()); - break; - } - } - } - - } - - for (LIF<Shape_Chunk *> sli(&shplist); !sli.done(); sli.next()) - { - Shape_Chunk::max_id = max (Shape_Chunk::max_id,sli()->get_header()->file_id_num); - } - - Chunk_With_Children::post_input_processing(); -} - - -void RIF_File_Chunk::list_objects(List<Object_Chunk *> * pList) -{ - Chunk * child_ptr = children; - - while (pList->size()) - pList->delete_first_entry(); - - if (children) - while (child_ptr != NULL) { - if (strncmp ("RBOBJECT", child_ptr->identifier, 8) == NULL) - { - assert (!child_ptr->r_u_miscellaneous()); - pList->add_entry((Object_Chunk *)child_ptr); - } - child_ptr = child_ptr->next; - } -} - -void RIF_File_Chunk::list_shapes(List<Shape_Chunk *> * pList) -{ - Chunk * child_ptr = children; - - while (pList->size()) - pList->delete_first_entry(); - - if (children) - while (child_ptr != NULL) { - if (strncmp ("REBSHAPE", child_ptr->identifier, 8) == NULL) - { - assert (!child_ptr->r_u_miscellaneous()); - pList->add_entry((Shape_Chunk *)child_ptr); - } - child_ptr = child_ptr->next; - } - -} - -Environment_Data_Chunk * RIF_File_Chunk::get_env_data() -{ - List<Environment_Data_Chunk *> e_list; - Chunk * child_ptr = children; - - if (children) - while (child_ptr != NULL) { - if (strncmp ("REBENVDT", child_ptr->identifier, 8) == NULL) - { - assert (!child_ptr->r_u_miscellaneous()); - e_list.add_entry((Environment_Data_Chunk *)child_ptr); - } - child_ptr = child_ptr->next; - } - - // There can be only ONE. - assert (e_list.size() < 2); - - if (e_list.size()) - return e_list.first_entry(); - else - { - return(0); - } -} |