1 /* $Id: piggy.h,v 1.11 2003-03-19 22:44:15 btb Exp $ */
3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
4 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
7 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
9 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
12 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
23 #define MAX_ALIASES 20
25 typedef struct alias {
26 char alias_name[FILENAME_LEN];
27 char file_name[FILENAME_LEN];
30 extern alias alias_list[MAX_ALIASES];
31 extern int Num_aliases;
33 extern int Piggy_hamfile_version;
35 // an index into the bitmap collection of the piggy file
36 typedef struct bitmap_index {
38 } __pack__ bitmap_index;
40 typedef struct DiskBitmapHeader {
42 ubyte dflags; //bits 0-5 anim frame num, bit 6 abm flag
43 ubyte width; //low 8 bits here, 4 more bits in wh_extra
44 ubyte height; //low 8 bits here, 4 more bits in wh_extra
45 ubyte wh_extra; //bits 0-3 width, bits 4-7 height
49 } __pack__ DiskBitmapHeader;
51 #define DISKBITMAPHEADER_SIZE 18 // for disk i/o
52 #define DISKBITMAPHEADER_D1_SIZE 17 // for disk i/o
54 typedef struct DiskSoundHeader {
59 } __pack__ DiskSoundHeader;
61 #define DISKSOUNDHEADER_SIZE 20 // for disk i/o
65 void piggy_dump_all();
66 bitmap_index piggy_register_bitmap( grs_bitmap * bmp, char * name, int in_file );
67 int piggy_register_sound( digi_sound * snd, char * name, int in_file );
68 bitmap_index piggy_find_bitmap( char * name );
69 int piggy_find_sound( char * name );
71 extern int Pigfile_initialized;
73 void piggy_read_bitmap_data(grs_bitmap * bmp);
74 void piggy_read_sound_data(digi_sound *snd);
76 void piggy_load_level_data();
78 #define MAX_BITMAP_FILES 2620 // Upped for CD Enhanced
79 #define MAX_SOUND_FILES MAX_SOUNDS
81 extern digi_sound GameSounds[MAX_SOUND_FILES];
82 extern grs_bitmap GameBitmaps[MAX_BITMAP_FILES];
85 #ifdef PIGGY_USE_PAGING
86 extern void piggy_bitmap_page_in( bitmap_index bmp );
87 extern void piggy_bitmap_page_out_all();
88 extern int piggy_page_flushed;
90 /* Make GNUC use static inline function as #define with backslash continuations causes problems with dos linefeeds */
92 # define PIGGY_PAGE_IN(bmp) _piggy_page_in(bmp)
93 static inline void _piggy_page_in(bitmap_index bmp) {
94 if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {
95 piggy_bitmap_page_in( bmp );
101 #define PIGGY_PAGE_IN(bmp) \
103 if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {\
104 piggy_bitmap_page_in( bmp ); \
107 /* mprintf(( 0, "Paging in '%s' from file '%s', line %d\n", #bmp, __FILE__,__LINE__ )); \ */
108 # endif /* __GNUC__ */
110 # define PIGGY_PAGE_IN(bmp)
113 void piggy_read_sounds();
115 //reads in a new pigfile (for new palette)
116 //returns the size of all the bitmap data
117 void piggy_new_pigfile(char *pigname);
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)
122 #define DiskBitmapHeader_read(dbh, fp) cfread(dbh, sizeof(DiskBitmapHeader), 1, fp)
123 #define DiskSoundHeader_read(dsh, fp) cfread(dsh, sizeof(DiskSoundHeader), 1, fp)
126 * reads a bitmap_index structure from a CFILE
128 void bitmap_index_read(bitmap_index *bi, CFILE *fp);
131 * reads n bitmap_index structs from a CFILE
133 int bitmap_index_read_n(bitmap_index *bi, int n, CFILE *fp);
136 * reads a DiskBitmapHeader structure from a CFILE
138 void DiskBitmapHeader_read(DiskBitmapHeader *dbh, CFILE *fp);
141 * reads a DiskSoundHeader structure from a CFILE
143 void DiskSoundHeader_read(DiskSoundHeader *dsh, CFILE *fp);
144 #endif // FAST_FILE_IO
147 * reads a descent 1 DiskBitmapHeader structure from a CFILE
149 void DiskBitmapHeader_d1_read(DiskBitmapHeader *dbh, CFILE *fp);