1 /* $Id: piggy.h,v 1.15 2003-03-25 10:17:05 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 D1_PIGFILE "descent.pig"
25 #define D1_SHAREWARE_10_PIGSIZE 2529454 // v1.0 - 1.2
26 #define D1_SHAREWARE_PIGSIZE 2509799 // v1.4
27 #define D1_PIGSIZE 4920305
28 #define D1_OEM_PIGSIZE 5039735 // Destination: Saturn
29 #define D1_MAC_PIGSIZE 3975533
30 #define D1_MAC_SHARE_PIGSIZE 2714487
32 #define MAX_ALIASES 20
34 typedef struct alias {
35 char alias_name[FILENAME_LEN];
36 char file_name[FILENAME_LEN];
39 extern alias alias_list[MAX_ALIASES];
40 extern int Num_aliases;
42 extern int Piggy_hamfile_version;
44 // an index into the bitmap collection of the piggy file
45 typedef struct bitmap_index {
47 } __pack__ bitmap_index;
49 typedef struct DiskBitmapHeader {
51 ubyte dflags; //bits 0-5 anim frame num, bit 6 abm flag
52 ubyte width; //low 8 bits here, 4 more bits in wh_extra
53 ubyte height; //low 8 bits here, 4 more bits in wh_extra
54 ubyte wh_extra; //bits 0-3 width, bits 4-7 height
58 } __pack__ DiskBitmapHeader;
60 #define DISKBITMAPHEADER_SIZE 18 // for disk i/o
61 #define DISKBITMAPHEADER_D1_SIZE 17 // for disk i/o
63 typedef struct DiskSoundHeader {
68 } __pack__ DiskSoundHeader;
70 #define DISKSOUNDHEADER_SIZE 20 // for disk i/o
74 void piggy_dump_all();
75 bitmap_index piggy_register_bitmap( grs_bitmap * bmp, char * name, int in_file );
76 int piggy_register_sound( digi_sound * snd, char * name, int in_file );
77 bitmap_index piggy_find_bitmap( char * name );
78 int piggy_find_sound( char * name );
80 extern int Pigfile_initialized;
82 void piggy_read_bitmap_data(grs_bitmap * bmp);
83 void piggy_read_sound_data(digi_sound *snd);
85 void piggy_load_level_data();
87 #define MAX_BITMAP_FILES 2620 // Upped for CD Enhanced
88 #define MAX_SOUND_FILES MAX_SOUNDS
90 extern digi_sound GameSounds[MAX_SOUND_FILES];
91 extern grs_bitmap GameBitmaps[MAX_BITMAP_FILES];
94 #ifdef PIGGY_USE_PAGING
95 extern void piggy_bitmap_page_in( bitmap_index bmp );
96 extern void piggy_bitmap_page_out_all();
97 extern int piggy_page_flushed;
99 /* Make GNUC use static inline function as #define with backslash continuations causes problems with dos linefeeds */
101 # define PIGGY_PAGE_IN(bmp) _piggy_page_in(bmp)
102 static inline void _piggy_page_in(bitmap_index bmp) {
103 if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {
104 piggy_bitmap_page_in( bmp );
108 # else /* __GNUC__ */
110 #define PIGGY_PAGE_IN(bmp) \
112 if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {\
113 piggy_bitmap_page_in( bmp ); \
116 /* mprintf(( 0, "Paging in '%s' from file '%s', line %d\n", #bmp, __FILE__,__LINE__ )); \ */
117 # endif /* __GNUC__ */
119 # define PIGGY_PAGE_IN(bmp)
122 void piggy_read_sounds();
124 //reads in a new pigfile (for new palette)
125 //returns the size of all the bitmap data
126 void piggy_new_pigfile(char *pigname);
128 //loads custom bitmaps for current level
129 void load_bitmap_replacements(char *level_name);
130 //if descent.pig exists, loads descent 1 texture bitmaps
131 void load_d1_bitmap_replacements();
134 #define bitmap_index_read(bi, fp) cfread(bi, sizeof(bitmap_index), 1, fp)
135 #define bitmap_index_read_n(bi, n, fp) cfread(bi, sizeof(bitmap_index), n, fp)
136 #define DiskBitmapHeader_read(dbh, fp) cfread(dbh, sizeof(DiskBitmapHeader), 1, fp)
137 #define DiskSoundHeader_read(dsh, fp) cfread(dsh, sizeof(DiskSoundHeader), 1, fp)
140 * reads a bitmap_index structure from a CFILE
142 void bitmap_index_read(bitmap_index *bi, CFILE *fp);
145 * reads n bitmap_index structs from a CFILE
147 int bitmap_index_read_n(bitmap_index *bi, int n, CFILE *fp);
150 * reads a DiskBitmapHeader structure from a CFILE
152 void DiskBitmapHeader_read(DiskBitmapHeader *dbh, CFILE *fp);
155 * reads a DiskSoundHeader structure from a CFILE
157 void DiskSoundHeader_read(DiskSoundHeader *dsh, CFILE *fp);
158 #endif // FAST_FILE_IO
161 * reads a descent 1 DiskBitmapHeader structure from a CFILE
163 void DiskBitmapHeader_d1_read(DiskBitmapHeader *dbh, CFILE *fp);
166 * Find and load the named bitmap from descent.pig
168 bitmap_index read_extra_d1_bitmap(char *name);