2003-10-10 09:36:35 +00:00
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/* $Id: piggy.h,v 1.18 2003-10-10 09:36:35 btb Exp $ */
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2001-01-19 03:30:16 +00:00
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/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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2002-08-02 04:57:19 +00:00
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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2001-01-19 03:30:16 +00:00
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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2003-10-10 09:36:35 +00:00
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/*
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*
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* Interface to piggy functions.
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*
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* Old Log:
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* Revision 1.1 1995/05/16 16:01:04 allender
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* Initial revision
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*
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* Revision 2.0 1995/02/27 11:31:21 john
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* New version 2.0, which has no anonymous unions, builds with
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* Watcom 10.0, and doesn't require parsing BITMAPS.TBL.
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*
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* Revision 1.10 1995/02/03 17:08:29 john
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* Changed sound stuff to allow low memory usage.
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* Also, changed so that Sounds isn't an array of digi_sounds, it
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* is a ubyte pointing into GameSounds, this way the digi.c code that
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* locks sounds won't accidentally unlock a sound that is already playing, but
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* since it's Sounds[soundno] is different, it would erroneously be unlocked.
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*
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* Revision 1.9 1995/01/24 14:33:49 john
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* *** empty log message ***
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*
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* Revision 1.8 1995/01/24 14:32:35 john
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* Took out paging in code.
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*
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* Revision 1.7 1995/01/23 12:30:17 john
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* Made debug code that mprintf what bitmap gets paged in.
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*
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* Revision 1.6 1995/01/17 14:11:37 john
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* Added function that is called after level loaded.
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*
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* Revision 1.5 1995/01/14 19:16:58 john
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* First version of new bitmap paging code.
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*
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* Revision 1.4 1994/10/27 18:51:57 john
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* Added -piglet option that only loads needed textures for a
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* mine. Only saved ~1MB, and code still doesn't free textures
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* before you load a new mine.
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*
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* Revision 1.3 1994/06/08 14:20:47 john
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* Made piggy dump before going into game.
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*
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* Revision 1.2 1994/05/06 13:02:40 john
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* Added piggy stuff; worked on supertransparency
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*
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* Revision 1.1 1994/05/06 11:47:46 john
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* Initial revision
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*
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*
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*/
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2001-01-19 03:30:16 +00:00
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#ifndef _PIGGY_H
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#define _PIGGY_H
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#include "digi.h"
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#include "sounds.h"
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#include "inferno.h"
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2002-07-26 09:22:39 +00:00
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#include "cfile.h"
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2001-01-19 03:30:16 +00:00
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2003-03-25 10:17:05 +00:00
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#define D1_PIGFILE "descent.pig"
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2003-03-25 09:54:12 +00:00
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#define D1_SHAREWARE_10_PIGSIZE 2529454 // v1.0 - 1.2
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2003-09-11 17:15:02 +00:00
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#define D1_SHAREWARE_PIGSIZE 5092871 // v1.4 // was: 2509799
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#define D1_PIGSIZE 4920305
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#define D1_OEM_PIGSIZE 5039735 // Destination: Saturn
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#define D1_MAC_PIGSIZE 3975533
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#define D1_MAC_SHARE_PIGSIZE 2714487
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2001-01-19 03:30:16 +00:00
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#define MAX_ALIASES 20
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typedef struct alias {
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char alias_name[FILENAME_LEN];
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char file_name[FILENAME_LEN];
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} alias;
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extern alias alias_list[MAX_ALIASES];
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extern int Num_aliases;
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2002-08-06 05:12:09 +00:00
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extern int Piggy_hamfile_version;
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2003-03-19 22:44:15 +00:00
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// an index into the bitmap collection of the piggy file
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2001-01-19 03:30:16 +00:00
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typedef struct bitmap_index {
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2002-08-27 04:14:58 +00:00
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ushort index;
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2002-08-02 04:57:19 +00:00
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} __pack__ bitmap_index;
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2001-01-19 03:30:16 +00:00
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2002-07-27 22:39:57 +00:00
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typedef struct DiskBitmapHeader {
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char name[8];
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ubyte dflags; //bits 0-5 anim frame num, bit 6 abm flag
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ubyte width; //low 8 bits here, 4 more bits in wh_extra
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ubyte height; //low 8 bits here, 4 more bits in wh_extra
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2002-08-27 04:14:58 +00:00
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ubyte wh_extra; //bits 0-3 width, bits 4-7 height
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2002-07-27 22:39:57 +00:00
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ubyte flags;
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ubyte avg_color;
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int offset;
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} __pack__ DiskBitmapHeader;
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2002-07-27 22:39:57 +00:00
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2002-07-29 02:32:32 +00:00
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#define DISKBITMAPHEADER_SIZE 18 // for disk i/o
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2003-03-19 22:44:15 +00:00
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#define DISKBITMAPHEADER_D1_SIZE 17 // for disk i/o
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2002-07-29 02:32:32 +00:00
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2002-07-30 04:52:45 +00:00
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typedef struct DiskSoundHeader {
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char name[8];
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int length;
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int data_length;
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int offset;
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} __pack__ DiskSoundHeader;
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2002-07-30 04:52:45 +00:00
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#define DISKSOUNDHEADER_SIZE 20 // for disk i/o
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2001-01-19 03:30:16 +00:00
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int piggy_init();
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void piggy_close();
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void piggy_dump_all();
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bitmap_index piggy_register_bitmap( grs_bitmap * bmp, char * name, int in_file );
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int piggy_register_sound( digi_sound * snd, char * name, int in_file );
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bitmap_index piggy_find_bitmap( char * name );
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int piggy_find_sound( char * name );
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extern int Pigfile_initialized;
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void piggy_read_bitmap_data(grs_bitmap * bmp);
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2002-08-27 04:14:58 +00:00
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void piggy_read_sound_data(digi_sound *snd);
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2001-01-19 03:30:16 +00:00
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void piggy_load_level_data();
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2002-08-27 04:14:58 +00:00
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#define MAX_BITMAP_FILES 2620 // Upped for CD Enhanced
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#define MAX_SOUND_FILES MAX_SOUNDS
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extern digi_sound GameSounds[MAX_SOUND_FILES];
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extern grs_bitmap GameBitmaps[MAX_BITMAP_FILES];
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#ifdef PIGGY_USE_PAGING
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extern void piggy_bitmap_page_in( bitmap_index bmp );
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extern void piggy_bitmap_page_out_all();
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extern int piggy_page_flushed;
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/* Make GNUC use static inline function as #define with backslash continuations causes problems with dos linefeeds */
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# ifdef __GNUC__
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# define PIGGY_PAGE_IN(bmp) _piggy_page_in(bmp)
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static inline void _piggy_page_in(bitmap_index bmp) {
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if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {
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piggy_bitmap_page_in( bmp );
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}
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}
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# else /* __GNUC__ */
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2001-01-19 03:30:16 +00:00
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#define PIGGY_PAGE_IN(bmp) \
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do { \
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if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {\
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2001-10-12 06:40:49 +00:00
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piggy_bitmap_page_in( bmp ); \
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} \
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} while(0)
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/* mprintf(( 0, "Paging in '%s' from file '%s', line %d\n", #bmp, __FILE__,__LINE__ )); \ */
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# endif /* __GNUC__ */
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#else
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2002-08-27 04:14:58 +00:00
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# define PIGGY_PAGE_IN(bmp)
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#endif
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void piggy_read_sounds();
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//reads in a new pigfile (for new palette)
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//returns the size of all the bitmap data
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void piggy_new_pigfile(char *pigname);
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2003-03-22 03:19:50 +00:00
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//loads custom bitmaps for current level
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void load_bitmap_replacements(char *level_name);
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//if descent.pig exists, loads descent 1 texture bitmaps
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void load_d1_bitmap_replacements();
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2002-08-02 04:57:19 +00:00
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#ifdef FAST_FILE_IO
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#define bitmap_index_read(bi, fp) cfread(bi, sizeof(bitmap_index), 1, fp)
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#define bitmap_index_read_n(bi, n, fp) cfread(bi, sizeof(bitmap_index), n, fp)
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#define DiskBitmapHeader_read(dbh, fp) cfread(dbh, sizeof(DiskBitmapHeader), 1, fp)
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#define DiskSoundHeader_read(dsh, fp) cfread(dsh, sizeof(DiskSoundHeader), 1, fp)
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#else
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2002-07-26 09:22:39 +00:00
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/*
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* reads a bitmap_index structure from a CFILE
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*/
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void bitmap_index_read(bitmap_index *bi, CFILE *fp);
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2002-08-02 04:57:19 +00:00
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/*
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* reads n bitmap_index structs from a CFILE
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*/
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int bitmap_index_read_n(bitmap_index *bi, int n, CFILE *fp);
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2002-07-27 22:39:57 +00:00
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/*
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* reads a DiskBitmapHeader structure from a CFILE
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*/
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void DiskBitmapHeader_read(DiskBitmapHeader *dbh, CFILE *fp);
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2002-07-30 04:52:45 +00:00
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/*
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* reads a DiskSoundHeader structure from a CFILE
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*/
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void DiskSoundHeader_read(DiskSoundHeader *dsh, CFILE *fp);
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2003-03-19 22:44:15 +00:00
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#endif // FAST_FILE_IO
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2002-07-30 04:52:45 +00:00
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2003-03-19 22:44:15 +00:00
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/*
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* reads a descent 1 DiskBitmapHeader structure from a CFILE
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*/
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void DiskBitmapHeader_d1_read(DiskBitmapHeader *dbh, CFILE *fp);
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2003-03-25 08:19:12 +00:00
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/*
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* Find and load the named bitmap from descent.pig
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*/
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2003-03-29 22:35:00 +00:00
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bitmap_index read_extra_bitmap_d1_pig(char *name);
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2003-03-25 08:19:12 +00:00
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2003-03-19 22:44:15 +00:00
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#endif //_PIGGY_H
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