1 /* $Id: piggy.h,v 1.8 2002-08-02 11:05:26 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 typedef struct bitmap_index {
35 } __pack__ bitmap_index;
37 typedef struct DiskBitmapHeader {
39 ubyte dflags; //bits 0-5 anim frame num, bit 6 abm flag
40 ubyte width; //low 8 bits here, 4 more bits in wh_extra
41 ubyte height; //low 8 bits here, 4 more bits in wh_extra
42 ubyte wh_extra; //bits 0-3 width, bits 4-7 height
46 } __pack__ DiskBitmapHeader;
48 #define DISKBITMAPHEADER_SIZE 18 // for disk i/o
50 typedef struct DiskSoundHeader {
55 } __pack__ DiskSoundHeader;
57 #define DISKSOUNDHEADER_SIZE 20 // for disk i/o
61 void piggy_dump_all();
62 bitmap_index piggy_register_bitmap( grs_bitmap * bmp, char * name, int in_file );
63 int piggy_register_sound( digi_sound * snd, char * name, int in_file );
64 bitmap_index piggy_find_bitmap( char * name );
65 int piggy_find_sound( char * name );
67 extern int Pigfile_initialized;
69 void piggy_read_bitmap_data(grs_bitmap * bmp);
70 void piggy_read_sound_data(digi_sound *snd);
72 void piggy_load_level_data();
74 #define MAX_BITMAP_FILES 2620 // Upped for CD Enhanced
75 #define MAX_SOUND_FILES MAX_SOUNDS
77 extern digi_sound GameSounds[MAX_SOUND_FILES];
78 extern grs_bitmap GameBitmaps[MAX_BITMAP_FILES];
81 #ifdef PIGGY_USE_PAGING
82 extern void piggy_bitmap_page_in( bitmap_index bmp );
83 extern void piggy_bitmap_page_out_all();
84 extern int piggy_page_flushed;
86 /* Make GNUC use static inline function as #define with backslash continuations causes problems with dos linefeeds */
88 # define PIGGY_PAGE_IN(bmp) _piggy_page_in(bmp)
89 static inline void _piggy_page_in(bitmap_index bmp) {
90 if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {
91 piggy_bitmap_page_in( bmp );
97 #define PIGGY_PAGE_IN(bmp) \
99 if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {\
100 piggy_bitmap_page_in( bmp ); \
103 /* mprintf(( 0, "Paging in '%s' from file '%s', line %d\n", #bmp, __FILE__,__LINE__ )); \ */
104 # endif /* __GNUC__ */
106 #define PIGGY_PAGE_IN(bmp)
109 void piggy_read_sounds();
111 //reads in a new pigfile (for new palette)
112 //returns the size of all the bitmap data
113 void piggy_new_pigfile(char *pigname);
116 #define bitmap_index_read(bi, fp) cfread(bi, sizeof(bitmap_index), 1, fp)
117 #define bitmap_index_read_n(bi, n, fp) cfread(bi, sizeof(bitmap_index), n, fp)
118 #define DiskBitmapHeader_read(dbh, fp) cfread(dbh, sizeof(DiskBitmapHeader), 1, fp)
119 #define DiskSoundHeader_read(dsh, fp) cfread(dsh, sizeof(DiskSoundHeader), 1, fp)
122 * reads a bitmap_index structure from a CFILE
124 void bitmap_index_read(bitmap_index *bi, CFILE *fp);
127 * reads n bitmap_index structs from a CFILE
129 int bitmap_index_read_n(bitmap_index *bi, int n, CFILE *fp);
132 * reads a DiskBitmapHeader structure from a CFILE
134 void DiskBitmapHeader_read(DiskBitmapHeader *dbh, CFILE *fp);
137 * reads a DiskSoundHeader structure from a CFILE
139 void DiskSoundHeader_read(DiskSoundHeader *dsh, CFILE *fp);