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8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
16 * Interface to piggy functions.
27 #define D1_PIGFILE "descent.pig"
29 #define D1_SHARE_BIG_PIGSIZE 5092871 // v1.0 - 1.4 before RLE compression
30 #define D1_SHARE_10_PIGSIZE 2529454 // v1.0 - 1.2
31 #define D1_SHARE_PIGSIZE 2509799 // v1.4
32 #define D1_10_BIG_PIGSIZE 7640220 // v1.0 before RLE compression
33 #define D1_10_PIGSIZE 4520145 // v1.0
34 #define D1_PIGSIZE 4920305 // v1.4 - 1.5 (Incl. OEM v1.4a)
35 #define D1_OEM_PIGSIZE 5039735 // v1.0
36 #define D1_MAC_PIGSIZE 3975533
37 #define D1_MAC_SHARE_PIGSIZE 2714487
39 #define MAX_ALIASES 20
41 typedef struct alias {
42 char alias_name[FILENAME_LEN];
43 char file_name[FILENAME_LEN];
46 extern alias alias_list[MAX_ALIASES];
47 extern int Num_aliases;
49 extern int Piggy_hamfile_version;
51 // an index into the bitmap collection of the piggy file
52 typedef struct bitmap_index {
54 } __pack__ bitmap_index;
57 void piggy_close(void);
58 void piggy_dump_all(void);
59 bitmap_index piggy_register_bitmap( grs_bitmap * bmp, char * name, int in_file );
60 int piggy_register_sound( digi_sound * snd, char * name, int in_file );
61 bitmap_index piggy_find_bitmap( char * name );
62 int piggy_find_sound( char * name );
64 extern int Pigfile_initialized;
66 void piggy_read_bitmap_data(grs_bitmap * bmp);
67 void piggy_read_sound_data(digi_sound *snd);
69 void piggy_load_level_data(void);
71 char* piggy_game_bitmap_name(grs_bitmap *bmp);
73 #define MAX_BITMAP_FILES 2620 // Upped for CD Enhanced
74 #define MAX_SOUND_FILES MAX_SOUNDS
76 extern digi_sound GameSounds[MAX_SOUND_FILES];
77 extern grs_bitmap GameBitmaps[MAX_BITMAP_FILES];
80 #ifdef PIGGY_USE_PAGING
81 extern void piggy_bitmap_page_in( bitmap_index bmp );
82 extern void piggy_bitmap_page_out_all(void);
83 extern int piggy_page_flushed;
85 /* Make GNUC use static inline function as #define with backslash continuations causes problems with dos linefeeds */
87 # define PIGGY_PAGE_IN(bmp) _piggy_page_in(bmp)
88 static inline void _piggy_page_in(bitmap_index bmp) {
89 if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {
90 piggy_bitmap_page_in( bmp );
96 #define PIGGY_PAGE_IN(bmp) \
98 if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {\
99 piggy_bitmap_page_in( bmp ); \
102 /* mprintf(( 0, "Paging in '%s' from file '%s', line %d\n", #bmp, __FILE__,__LINE__ )); \ */
103 # endif /* __GNUC__ */
105 # define PIGGY_PAGE_IN(bmp)
108 void piggy_read_sounds(void);
110 //reads in a new pigfile (for new palette)
111 //returns the size of all the bitmap data
112 void piggy_new_pigfile(char *pigname);
114 //loads custom bitmaps for current level
115 void load_bitmap_replacements(char *level_name);
116 //if descent.pig exists, loads descent 1 texture bitmaps
117 void load_d1_bitmap_replacements(void);
120 #define bitmap_index_read(bi, fp) cfread(bi, sizeof(bitmap_index), 1, fp)
121 #define bitmap_index_read_n(bi, n, fp) cfread(bi, sizeof(bitmap_index), n, fp)
124 * reads a bitmap_index structure from a CFILE
126 void bitmap_index_read(bitmap_index *bi, CFILE *fp);
129 * reads n bitmap_index structs from a CFILE
131 int bitmap_index_read_n(bitmap_index *bi, int n, CFILE *fp);
132 #endif // FAST_FILE_IO
135 * Find and load the named bitmap from descent.pig
137 bitmap_index read_extra_bitmap_d1_pig(char *name);