1 /* $Id: piggy.h,v 1.14 2003-03-25 09:54:12 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_SHAREWARE_10_PIGSIZE 2529454 // v1.0 - 1.2
24 #define D1_SHAREWARE_PIGSIZE 2509799 // v1.4
25 #define D1_PIGSIZE 4920305
26 #define D1_OEM_PIGSIZE 5039735 // Destination: Saturn
27 #define D1_MAC_PIGSIZE 3975533
28 #define D1_MAC_SHARE_PIGSIZE 2714487
29 #define MAC_ALIEN1_PIGSIZE 5013035
30 #define MAC_ALIEN2_PIGSIZE 4909916
31 #define MAC_FIRE_PIGSIZE 4969035
32 #define MAC_GROUPA_PIGSIZE 4929684 // also used for mac shareware
33 #define MAC_ICE_PIGSIZE 4923425
34 #define MAC_WATER_PIGSIZE 4832403
36 #define MAX_ALIASES 20
38 typedef struct alias {
39 char alias_name[FILENAME_LEN];
40 char file_name[FILENAME_LEN];
43 extern alias alias_list[MAX_ALIASES];
44 extern int Num_aliases;
46 extern int Piggy_hamfile_version;
48 // an index into the bitmap collection of the piggy file
49 typedef struct bitmap_index {
51 } __pack__ bitmap_index;
53 typedef struct DiskBitmapHeader {
55 ubyte dflags; //bits 0-5 anim frame num, bit 6 abm flag
56 ubyte width; //low 8 bits here, 4 more bits in wh_extra
57 ubyte height; //low 8 bits here, 4 more bits in wh_extra
58 ubyte wh_extra; //bits 0-3 width, bits 4-7 height
62 } __pack__ DiskBitmapHeader;
64 #define DISKBITMAPHEADER_SIZE 18 // for disk i/o
65 #define DISKBITMAPHEADER_D1_SIZE 17 // for disk i/o
67 typedef struct DiskSoundHeader {
72 } __pack__ DiskSoundHeader;
74 #define DISKSOUNDHEADER_SIZE 20 // for disk i/o
78 void piggy_dump_all();
79 bitmap_index piggy_register_bitmap( grs_bitmap * bmp, char * name, int in_file );
80 int piggy_register_sound( digi_sound * snd, char * name, int in_file );
81 bitmap_index piggy_find_bitmap( char * name );
82 int piggy_find_sound( char * name );
84 extern int Pigfile_initialized;
86 void piggy_read_bitmap_data(grs_bitmap * bmp);
87 void piggy_read_sound_data(digi_sound *snd);
89 void piggy_load_level_data();
91 #define MAX_BITMAP_FILES 2620 // Upped for CD Enhanced
92 #define MAX_SOUND_FILES MAX_SOUNDS
94 extern digi_sound GameSounds[MAX_SOUND_FILES];
95 extern grs_bitmap GameBitmaps[MAX_BITMAP_FILES];
98 #ifdef PIGGY_USE_PAGING
99 extern void piggy_bitmap_page_in( bitmap_index bmp );
100 extern void piggy_bitmap_page_out_all();
101 extern int piggy_page_flushed;
103 /* Make GNUC use static inline function as #define with backslash continuations causes problems with dos linefeeds */
105 # define PIGGY_PAGE_IN(bmp) _piggy_page_in(bmp)
106 static inline void _piggy_page_in(bitmap_index bmp) {
107 if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {
108 piggy_bitmap_page_in( bmp );
112 # else /* __GNUC__ */
114 #define PIGGY_PAGE_IN(bmp) \
116 if ( GameBitmaps[(bmp).index].bm_flags & BM_FLAG_PAGED_OUT ) {\
117 piggy_bitmap_page_in( bmp ); \
120 /* mprintf(( 0, "Paging in '%s' from file '%s', line %d\n", #bmp, __FILE__,__LINE__ )); \ */
121 # endif /* __GNUC__ */
123 # define PIGGY_PAGE_IN(bmp)
126 void piggy_read_sounds();
128 //reads in a new pigfile (for new palette)
129 //returns the size of all the bitmap data
130 void piggy_new_pigfile(char *pigname);
132 //loads custom bitmaps for current level
133 void load_bitmap_replacements(char *level_name);
134 //if descent.pig exists, loads descent 1 texture bitmaps
135 void load_d1_bitmap_replacements();
138 #define bitmap_index_read(bi, fp) cfread(bi, sizeof(bitmap_index), 1, fp)
139 #define bitmap_index_read_n(bi, n, fp) cfread(bi, sizeof(bitmap_index), n, fp)
140 #define DiskBitmapHeader_read(dbh, fp) cfread(dbh, sizeof(DiskBitmapHeader), 1, fp)
141 #define DiskSoundHeader_read(dsh, fp) cfread(dsh, sizeof(DiskSoundHeader), 1, fp)
144 * reads a bitmap_index structure from a CFILE
146 void bitmap_index_read(bitmap_index *bi, CFILE *fp);
149 * reads n bitmap_index structs from a CFILE
151 int bitmap_index_read_n(bitmap_index *bi, int n, CFILE *fp);
154 * reads a DiskBitmapHeader structure from a CFILE
156 void DiskBitmapHeader_read(DiskBitmapHeader *dbh, CFILE *fp);
159 * reads a DiskSoundHeader structure from a CFILE
161 void DiskSoundHeader_read(DiskSoundHeader *dsh, CFILE *fp);
162 #endif // FAST_FILE_IO
165 * reads a descent 1 DiskBitmapHeader structure from a CFILE
167 void DiskBitmapHeader_d1_read(DiskBitmapHeader *dbh, CFILE *fp);
170 * Find and load the named bitmap from descent.pig
172 bitmap_index read_extra_d1_bitmap(char *name);