2 * $Logfile: /Freespace2/code/Bmpman/BmpMan.cpp $
7 * Code to load and manage all bitmaps for the game
10 * Revision 1.5 2002/05/30 21:44:48 relnev
11 * implemented some missing texture stuff.
13 * enable bitmap polys for opengl.
15 * work around greenness in bitmaps.
17 * Revision 1.4 2002/05/28 17:03:29 theoddone33
18 * fs2 gets to the main game loop now
20 * Revision 1.3 2002/05/28 08:52:03 relnev
21 * implemented two assembly stubs.
23 * cleaned up a few warnings.
25 * added a little demo hackery to make it progress a little farther.
27 * Revision 1.2 2002/05/07 03:16:43 theoddone33
28 * The Great Newline Fix
30 * Revision 1.1.1.1 2002/05/03 03:28:08 root
34 * 37 9/13/99 11:26p Andsager
35 * Add debug code to check for poorly sized anis
37 * 36 9/05/99 11:19p Dave
38 * Made d3d texture cache much more safe. Fixed training scoring bug where
39 * it would backout scores without ever having applied them in the first
42 * 35 8/20/99 2:09p Dave
45 * 34 8/10/99 6:54p Dave
46 * Mad optimizations. Added paging to the nebula effect.
48 * 33 8/06/99 1:52p Dave
49 * Bumped up MAX_BITMAPS for the demo.
51 * 32 8/02/99 1:49p Dave
52 * Fixed low-mem animation problem. Whee!
54 * 31 7/16/99 1:49p Dave
55 * 8 bit aabitmaps. yay.
57 * 30 7/13/99 1:15p Dave
58 * 32 bit support. Whee!
60 * 29 6/29/99 10:35a Dave
61 * Interface polygon bitmaps! Whee!
63 * 28 6/16/99 4:06p Dave
64 * New pilot info popup. Added new draw-bitmap-as-poly function.
66 * 27 5/05/99 9:02p Dave
67 * Fixed D3D aabitmap rendering. Spiffed up nebula effect a bit (added
68 * rotations, tweaked values, made bitmap selection more random). Fixed
69 * D3D beam weapon clipping problem. Added D3d frame dumping.
71 * 26 4/27/99 12:16a Dave
72 * Fixed beam weapon muzzle glow problem. Fixed premature timeout on the
73 * pxo server list screen. Fixed secondary firing for hosts on a
74 * standalone. Fixed wacky multiplayer weapon "shuddering" problem.
76 * 25 4/09/99 2:21p Dave
77 * Multiplayer beta stuff. CD checking.
79 * 24 4/08/99 10:42a Johnson
80 * Don't try to swizzle a texture to transparent in Fred.
82 * 23 3/31/99 8:24p Dave
83 * Beefed up all kinds of stuff, incluging beam weapons, nebula effects
84 * and background nebulae. Added per-ship non-dimming pixel colors.
86 * 22 3/20/99 3:46p Dave
87 * Added support for model-based background nebulae. Added 3 new
90 * 21 2/11/99 3:08p Dave
91 * PXO refresh button. Very preliminary squad war support.
93 * 20 2/08/99 5:07p Dave
94 * FS2 chat server support. FS2 specific validated missions.
96 * 19 2/05/99 12:52p Dave
97 * Fixed Glide nondarkening textures.
99 * 18 2/04/99 6:29p Dave
100 * First full working rev of FS2 PXO support. Fixed Glide lighting
103 * 17 2/03/99 11:44a Dave
104 * Fixed d3d transparent textures.
106 * 16 1/15/99 11:29a Neilk
107 * Fixed D3D screen/texture pixel formatting problem.
109 * 15 1/14/99 12:48a Dave
110 * Todo list bug fixes. Made a pass at putting briefing icons back into
111 * FRED. Sort of works :(
113 * 14 1/12/99 12:53a Dave
114 * More work on beam weapons - made collision detection very efficient -
115 * collide against all object types properly - made 3 movement types
116 * smooth. Put in test code to check for possible non-darkening pixels on
119 * 13 1/08/99 2:08p Dave
120 * Fixed software rendering for pofview. Super early support for AWACS and
123 * 12 1/06/99 2:24p Dave
124 * Stubs and release build fixes.
126 * 11 12/14/98 4:01p Dave
127 * Got multi_data stuff working well with new xfer stuff.
129 * 10 12/06/98 2:36p Dave
130 * Drastically improved nebula fogging.
132 * 9 12/01/98 5:53p Dave
133 * Simplified the way pixel data is swizzled. Fixed tga bitmaps to work
134 * properly in D3D and Glide.
136 * 8 12/01/98 4:46p Dave
137 * Put in targa bitmap support (16 bit).
139 * 7 12/01/98 10:32a Johnson
140 * Fixed direct3d font problems. Fixed sun bitmap problem. Fixed direct3d
143 * 6 12/01/98 8:06a Dave
144 * Temporary checkin to fix some texture transparency problems in d3d.
146 * 5 11/30/98 5:31p Dave
147 * Fixed up Fred support for software mode.
149 * 4 11/30/98 1:07p Dave
150 * 16 bit conversion, first run.
152 * 3 10/22/98 6:14p Dave
153 * Optimized some #includes in Anim folder. Put in the beginnings of
154 * parse/localization support for externalized strings and tstrings.tbl
156 * 2 10/07/98 10:52a Dave
159 * 1 10/07/98 10:48a Dave
161 * 106 5/23/98 4:43p John
162 * Took out debugging sleep
164 * 105 5/23/98 4:14p John
165 * Added code to preload textures to video card for AGP. Added in code
166 * to page in some bitmaps that weren't getting paged in at level start.
168 * 104 5/20/98 12:59p John
169 * Turned optimizations on for debug builds. Also turning on automatic
170 * function inlining. Turned off the unreachable code warning.
172 * 103 5/20/98 10:20a Hoffoss
173 * Fixed warning in the code.
175 * 102 5/19/98 3:45p John
176 * fixed bug causing lowmem to drop half of the frames. Also halved fps
179 * 101 5/14/98 3:38p John
180 * Added in more non-darkening colors for Adam. Had to fix some bugs in
181 * BmpMan and Ani stuff to get this to work.
183 * 100 4/22/98 9:13p John
184 * Added code to replace frames of animations in vram if so desired.
186 * 99 4/17/98 6:56a John
187 * Fixed bug where RLE'd user bitmaps caused data to not get freed.
188 * (Turned off RLE for use bitmaps). Made lossy animations reduce
189 * resolution by a factor of 2 in low memory conditions.
191 * 98 4/16/98 6:31p Hoffoss
192 * Added function to get filename of a bitmap handle, which we don't have
195 * 97 4/01/98 9:27p John
196 * Fixed debug info in bmpman.
198 * 96 4/01/98 5:34p John
199 * Made only the used POFs page in for a level. Reduced some interp
200 * arrays. Made custom detail level work differently.
202 * 95 3/31/98 9:55a Lawrance
203 * JOHN: get xparency working for user bitmaps
205 * 94 3/30/98 4:02p John
206 * Made machines with < 32 MB of RAM use every other frame of certain
207 * bitmaps. Put in code to keep track of how much RAM we've malloc'd.
209 * 93 3/29/98 4:05p John
210 * New paging code that loads everything necessary at level startup.
212 * 92 3/27/98 11:20a John
213 * commented back in some debug code.
215 * 91 3/26/98 5:21p John
216 * Added new code to preload all bitmaps at the start of a level.
217 * Commented it out, though.
219 * 90 3/26/98 4:56p Jasen
220 * AL: Allow find_block_of() to allocate a series of bitmaps from index 0
222 * 89 3/26/98 10:21a John
223 * Made no palette-mapped bitmaps use 0,255,0 as transparent.
225 * 88 3/24/98 5:39p John
226 * Added debug code to show bitmap fragmentation. Made user bitmaps
227 * allocate from top of array.
229 * 87 3/22/98 3:28p John
230 * Added in stippled alpha for lower details. Made medium detail use
233 * 86 3/11/98 1:55p John
236 * 85 3/06/98 4:09p John
237 * Changed the way we do bitmap RLE'ing... this speds up HUD bitmaps by
240 * 84 3/02/98 6:00p John
241 * Moved MAX_BITMAPS into BmpMan.h so the stuff in the graphics code that
242 * is dependent on it won't break if it changes. Made ModelCache slots
243 * be equal to MAX_OBJECTS which is what it is.
245 * 83 3/02/98 9:51a John
246 * Added code to print the number of bitmap slots in use between levels.
248 * 82 2/16/98 3:54p John
249 * Changed a bunch of mprintfs to catagorize to BmpInfo
251 * 81 2/13/98 5:00p John
252 * Made user bitmaps not get wrote to level cache file.
254 * 80 2/06/98 8:25p John
255 * Added code for new bitmaps since last frame
257 * 79 2/06/98 8:10p John
258 * Added code to show amout of texture usage each frame.
260 * 78 2/05/98 9:21p John
261 * Some new Direct3D code. Added code to monitor a ton of stuff in the
264 * 77 1/29/98 11:48a John
265 * Added new counter measure rendering as model code. Made weapons be
266 * able to have impact explosion.
268 * 76 1/28/98 6:19p Dave
269 * Reduced standalone memory usage ~8 megs. Put in support for handling
270 * multiplayer submenu handling for endgame, etc.
272 * 75 1/17/98 12:55p John
273 * Fixed bug that I just created that loaded all ani frames.
275 * 74 1/17/98 12:33p John
276 * Made the game_busy function be called a constant amount of times per
277 * level load, making the bar prediction easier.
279 * 73 1/17/98 12:14p John
280 * Added loading... bar to freespace.
282 * 72 1/11/98 3:20p John
283 * Made so that if no .clt exists, it will load all the bitmaps
285 * 71 1/11/98 3:06p John
286 * Made bitmap loading stop when cache gets full.
288 * 70 1/11/98 2:45p John
289 * Changed .lst to .clt
291 * 69 1/11/98 2:14p John
292 * Changed a lot of stuff that had to do with bitmap loading. Made cfile
293 * not do callbacks, I put that in global code. Made only bitmaps that
294 * need to load for a level load.
296 * 67 1/09/98 4:07p John
297 * Made all bitmap functions return a bitmap "Handle" not number. This
298 * helps to find bm_release errors.
300 * 66 1/09/98 1:38p John
301 * Fixed some bugs from previous comment
303 * 65 1/09/98 1:32p John
304 * Added some debugging code to track down a weird error. Namely I fill
305 * in the be structure with bogus values when someone frees it.
307 * 64 12/28/97 2:00p John
308 * put in another assert checking for invalid lock/unlock sequencing
310 * 63 12/24/97 2:02p John
311 * Changed palette translation to be a little faster for unoptimized
314 * 62 12/18/97 8:59p Dave
315 * Finished putting in basic support for weapon select and ship select in
318 * 61 12/15/97 10:27p John
319 * fixed bug where 2 bm_loads of same file both open the header.
321 * 60 12/08/97 2:17p John
322 * fixed bug with bmpman and cf_callback.
323 * made cf_callback in Freespace set small font back when done.
325 * 59 12/03/97 5:01p Lawrance
326 * bump up MAX_BITMAPS to 1500. People have reached 1000 bitmaps while
327 * playing multiple missions.
329 * 58 12/02/97 3:59p John
330 * Added first rev of thruster glow, along with variable levels of
331 * translucency, which retquired some restructing of palman.
333 * 57 11/30/97 3:57p John
334 * Made fixed 32-bpp translucency. Made BmpMan always map translucent
335 * color into 255 even if you aren't supposed to remap and make it's
338 * 56 10/05/97 10:39a John
339 * fixed bug with palette on unmapped bitmaps. Made unmapped bitmaps get
340 * marked with xparent.
342 * 55 9/23/97 11:46a Lawrance
343 * fixed bug with rle'ing with spans get big
345 * 54 9/23/97 10:45a John
346 * made so you can tell bitblt code to rle a bitmap by passing flag to
349 * 53 9/19/97 10:18a John
350 * fixed bug with aa animations being re-rle'd every
354 * 52 9/09/97 10:08a Sandeep
355 * Fixed Compiler Level 4 warnings
357 * 51 9/08/97 2:02p John
358 * fixed typo in nprintf
360 * 50 9/08/97 1:56p John
361 * fixed some memory housekeeping bugs
363 * 49 9/03/97 4:19p John
364 * changed bmpman to only accept ani and pcx's. made passing .pcx or .ani
365 * to bm_load functions not needed. Made bmpman keep track of palettes
366 * for bitmaps not mapped into game palettes.
368 * 48 8/29/97 7:35p Lawrance
369 * check if .ani animation is already loaded in bm_load_animation()
371 * 47 8/25/97 11:14p Lawrance
372 * added support for .ani files in bm_load_animation()
374 * 46 8/17/97 2:42p Lawrance
375 * only flag PCX files as xparent if they have xparent pixels in them
377 * 45 8/15/97 9:57a Lawrance
378 * support multiple xparent entries for PCX files
380 * 44 8/05/97 10:18a Lawrance
381 * my_rand() being used temporarily instead of rand()
383 * 43 8/01/97 4:30p John
385 * 42 7/29/97 8:34a John
388 * 41 7/18/97 3:27p Lawrance
389 * have pcx files use (0,255,0) for transparency
391 * 40 7/16/97 3:07p John
393 * 39 7/10/97 8:34a John
394 * Added code to read TGA files.
396 * 38 6/20/97 1:50p John
397 * added rle code to bmpman. made gr8_aabitmap use it.
399 * 37 6/18/97 12:07p John
400 * fixed some color bugs
402 * 36 6/17/97 8:58p Lawrance
403 * fixed bug with not nulling bm.data with USER bitmaps
405 * 35 6/12/97 2:44a Lawrance
406 * changed bm_unlock() to take an index into bm_bitmaps(). Added
407 * ref_count to bitmap_entry struct
409 * 34 5/20/97 10:36a John
410 * Fixed problem with user bitmaps and direct3d caching.
412 * 33 5/14/97 1:59p John
413 * fixed a palette bug with vclips.
415 * 32 3/24/97 4:43p John
416 * speed up chunked collision detection by only checking cubes the vector
419 * 31 3/24/97 3:25p John
420 * Cleaned up and restructured model_collide code and fvi code. In fvi
421 * made code that finds uvs work.. Added bm_get_pixel to BmpMan.
423 * 30 3/11/97 2:49p Allender
425 * 29 2/18/97 9:43a Lawrance
426 * added Assert() in bm_release
428 * 28 1/22/97 4:29p John
429 * maybe fixed bug with code that counts total bytes of texture ram used.
431 * 27 1/22/97 4:19p Lawrance
432 * added flags to bm_create to allow transparency
434 * 26 1/21/97 5:24p John
435 * fixed another bug with bm_release.
437 * 25 1/21/97 5:12p John
438 * fixed bug with case
440 * 24 1/21/97 5:02p John
441 * Added code for 8bpp user bitmaps.
443 * 23 1/09/97 11:35a John
444 * Added some 2d functions to get/put screen images.
446 * 22 11/26/96 6:50p John
447 * Added some more hicolor primitives. Made windowed mode run as current
448 * bpp, if bpp is 8,16,or 32.
450 * 21 11/26/96 9:44a Allender
451 * Allow for use of different bitmap palettes
453 * 20 11/25/96 10:36a Allender
454 * started working on 32 bpp support. Added 15 bpp.
456 * 19 11/18/96 1:51p Allender
457 * fix up manager code to reread bitmaps if needed in newer bit depth
459 * 18 11/15/96 4:24p Allender
460 * more bmpman stuff -- only free bitmap slots when releasing copied
461 * texture -- otherwise, only release the data for the bitmap
463 * 17 11/15/96 3:33p Allender
464 * added support for converting to 16 bit textures when requested with
465 * bm_load. Added some other management functions
467 * 16 11/13/96 4:51p Allender
468 * started overhaul of bitmap manager. bm_load no longer actually load
469 * the data, only the info for the bitmap. Locking the bitmap now forces
470 * load when no data present (or will if bpp changes)
477 #include "pcxutils.h"
481 #include "animplay.h"
483 #include "systemvars.h"
485 #include "packunpack.h"
487 #include "grinternal.h"
488 #include "tgautils.h"
492 #define BMPMAN_NDEBUG
495 // keep this defined to use per-ship nondarkening pixels
496 #define BMPMAN_SPECIAL_NONDARK
500 #define BM_TYPE_NONE 0
501 #define BM_TYPE_PCX 1
502 #define BM_TYPE_USER 2
503 #define BM_TYPE_ANI 3 // in-house ANI format
504 #define BM_TYPE_TGA 4 // 16 bit targa
506 typedef union bm_extra_info {
508 // Stuff needed for animations
509 int first_frame; // used for animations -- points to index of first frame
510 ubyte num_frames; // used for animation -- number of frames in the animation
511 ubyte fps; // used for animation -- frames per second
514 // Stuff needed for user bitmaps
515 void *data; // For user bitmaps, this is where the data comes from
516 ubyte bpp; // For user bitmaps, this is what format the data is
517 ubyte flags; // Flags passed to bm_create
521 typedef struct bitmap_entry {
523 char filename[MAX_FILENAME_LEN]; // filename for this bitmap
525 uint signature; // a unique signature identifying the data
526 uint palette_checksum; // checksum used to be sure bitmap is in current palette
527 int handle; // Handle = id*MAX_BITMAPS + bitmapnum
528 int last_used; // When this bitmap was last used
530 ubyte type; // PCX, USER, ANI, etc
531 signed char ref_count; // Number of locks on bitmap. Can't unload unless ref_count is 0.
533 // Stuff to keep track of usage
534 ubyte preloaded; // If set, then this was loaded from the lst file
535 ubyte used_flags; // What flags it was accessed thru
540 // Data for animations and user bitmaps
545 ubyte used_last_frame; // If set, then it was used last frame
546 ubyte used_this_frame; // If set, then it was used this frame
547 int data_size; // How much data this bitmap uses
548 int used_count; // How many times it was accessed
552 uint Bm_next_signature = 0x1234;
554 bitmap_entry bm_bitmaps[MAX_BITMAPS];
556 int bm_texture_ram = 0;
558 // Bm_max_ram - How much RAM bmpman can use for textures.
559 // Set to <1 to make it use all it wants.
560 int Bm_max_ram = 0; //16*1024*1024; // Only use 16 MB for textures
562 int bm_next_handle = 1;
566 static int Bm_low_mem = 0;
568 // 16 bit pixel formats
569 int Bm_pixel_format = BM_PIXEL_FORMAT_ARGB;
571 // get and put functions for 16 bit pixels - neat bit slinging, huh?
572 #define BM_SET_R_ARGB(p, r) { p[1] &= ~(0x7c); p[1] |= ((r & 0x1f) << 2); }
573 #define BM_SET_G_ARGB(p, g) { p[0] &= ~(0xe0); p[1] &= ~(0x03); p[0] |= ((g & 0x07) << 5); p[1] |= ((g & 0x18) >> 3); }
574 #define BM_SET_B_ARGB(p, b) { p[0] &= ~(0x1f); p[0] |= b & 0x1f; }
575 #define BM_SET_A_ARGB(p, a) { p[1] &= ~(0x80); p[1] |= ((a & 0x01) << 7); }
577 #define BM_SET_R_D3D(p, r) { *p |= (ushort)(( (int)r / Gr_current_red->scale ) << Gr_current_red->shift); }
578 #define BM_SET_G_D3D(p, g) { *p |= (ushort)(( (int)g / Gr_current_green->scale ) << Gr_current_green->shift); }
579 #define BM_SET_B_D3D(p, b) { *p |= (ushort)(( (int)b / Gr_current_blue->scale ) << Gr_current_blue->shift); }
580 #define BM_SET_A_D3D(p, a) { if(a == 0){ *p = (ushort)Gr_current_green->mask; } }
582 #define BM_SET_R(p, r) { switch(Bm_pixel_format){ case BM_PIXEL_FORMAT_ARGB: BM_SET_R_ARGB(((char*)p), r); break; case BM_PIXEL_FORMAT_D3D: BM_SET_R_D3D(p, r); break; default: Int3(); } }
583 #define BM_SET_G(p, g) { switch(Bm_pixel_format){ case BM_PIXEL_FORMAT_ARGB: BM_SET_G_ARGB(((char*)p), g); break; case BM_PIXEL_FORMAT_D3D: BM_SET_G_D3D(p, g); break; default: Int3(); } }
584 #define BM_SET_B(p, b) { switch(Bm_pixel_format){ case BM_PIXEL_FORMAT_ARGB: BM_SET_B_ARGB(((char*)p), b); break; case BM_PIXEL_FORMAT_D3D: BM_SET_B_D3D(p, b); break; default: Int3(); } }
585 #define BM_SET_A(p, a) { switch(Bm_pixel_format){ case BM_PIXEL_FORMAT_ARGB: BM_SET_A_ARGB(((char*)p), a); break; case BM_PIXEL_FORMAT_D3D: BM_SET_A_D3D(p, a); break; default: Int3(); } }
587 // ===========================================
588 // Mode: 0 = High memory
589 // 1 = Low memory ( every other frame of ani's)
590 // 2 = Debug low memory ( only use first frame of each ani )
591 void bm_set_low_mem( int mode )
593 Assert( (mode >= 0) && (mode<=2 ));
598 static int bm_get_next_handle()
600 int n = bm_next_handle;
602 if ( bm_next_handle > 30000 ) {
608 // Frees a bitmaps data if it should, and
609 // Returns true if bitmap n can free it's data.
610 static void bm_free_data(int n)
615 Assert( n >= 0 && n < MAX_BITMAPS );
620 // If there isn't a bitmap in this structure, don't
621 // do anything but clear out the bitmap info
622 if ( be->type==BM_TYPE_NONE)
625 // If this bitmap doesn't have any data to free, skip
626 // the freeing it part of this.
627 if ( bmp->data == 0 )
630 // Don't free up memory for user defined bitmaps, since
631 // BmpMan isn't the one in charge of allocating/deallocing them.
632 if ( ( be->type==BM_TYPE_USER ) )
635 // Free up the data now!
637 // mprintf(( "Bitmap %d freed %d bytes\n", n, bm_bitmaps[n].data_size ));
639 bm_texture_ram -= be->data_size;
641 free((void *)bmp->data);
645 // Clear out & reset the bitmap data structure
653 be->signature = Bm_next_signature++;
659 int Bm_ram_freed = 0;
661 static void bm_free_some_ram( int n, int size )
664 if ( Bm_max_ram < 1 ) return;
665 if ( bm_texture_ram + size < Bm_max_ram ) return;
667 int current_time = timer_get_milliseconds();
669 while( bm_texture_ram + size > Bm_max_ram ) {
672 // Need to free some RAM up!
673 int i, oldest=-1, best_val=0;
674 for (i = 0; i < MAX_BITMAPS; i++) {
675 if ( (bm_bitmaps[i].type != BM_TYPE_NONE) && (bm_bitmaps[i].first_frame!=bm_bitmaps[n].first_frame) && (bm_bitmaps[i].ref_count==0) && (bm_bitmaps[i].data_size>0) ) {
676 int page_func = ( current_time-bm_bitmaps[i].last_used)*bm_bitmaps[i].data_size;
677 if ( (oldest==-1) || (page_func>best_val) ) {
679 best_val = page_func;
685 //mprintf(( "Freeing bitmap '%s'\n", bm_bitmaps[oldest].filename ));
686 for (i=0; i<bm_bitmaps[oldest].num_frames; i++ ) {
687 bm_free_data(bm_bitmaps[oldest].first_frame+i);
690 //mprintf(( "Couldn't free enough! %d\n", bm_texture_ram ));
699 static void *bm_malloc( int n, int size )
701 Assert( n >= 0 && n < MAX_BITMAPS );
702 // mprintf(( "Bitmap %d allocated %d bytes\n", n, size ));
704 bm_free_some_ram( n, size );
705 Assert( bm_bitmaps[n].data_size == 0 );
706 bm_bitmaps[n].data_size += size;
707 bm_texture_ram += size;
716 for (i=0; i<MAX_BITMAPS; i++ ) {
717 bm_free_data(i); // clears flags, bbp, data, etc
728 mprintf(( "Size of bitmap info = %d KB\n", sizeof( bm_bitmaps )/1024 ));
729 mprintf(( "Size of bitmap extra info = %d bytes\n", sizeof( bm_extra_info ) ));
736 for (i=0; i<MAX_BITMAPS; i++ ) {
737 bm_bitmaps[i].filename[0] = '\0';
738 bm_bitmaps[i].type = BM_TYPE_NONE;
739 bm_bitmaps[i].info.user.data = NULL;
740 bm_bitmaps[i].bm.data = 0;
741 bm_bitmaps[i].bm.palette = NULL;
743 bm_bitmaps[i].data_size = 0;
744 bm_bitmaps[i].used_count = 0;
745 bm_bitmaps[i].used_last_frame = 0;
746 bm_bitmaps[i].used_this_frame = 0;
748 bm_free_data(i); // clears flags, bbp, data, etc
756 // Returns number of bytes of bitmaps locked this frame
757 // ntotal = number of bytes of bitmaps locked this frame
758 // nnew = number of bytes of bitmaps locked this frame that weren't locked last frame
759 void bm_get_frame_usage(int *ntotal, int *nnew)
766 for (i=0; i<MAX_BITMAPS; i++ ) {
767 if ( (bm_bitmaps[i].type != BM_TYPE_NONE) && (bm_bitmaps[i].used_this_frame)) {
768 if ( !bm_bitmaps[i].used_last_frame ) {
769 *nnew += bm_bitmaps[i].bm.w*bm_bitmaps[i].bm.h;
771 *ntotal += bm_bitmaps[i].bm.w*bm_bitmaps[i].bm.h;
773 bm_bitmaps[i].used_last_frame = bm_bitmaps[i].used_this_frame;
774 bm_bitmaps[i].used_this_frame = 0;
779 void bm_get_frame_usage(int *ntotal, int *nnew)
784 // given a loaded bitmap with valid info, calculate sections
785 void bm_calc_sections(bitmap *be)
789 // number of x and y sections
790 be->sections.num_x = (ubyte)(be->w / MAX_BMAP_SECTION_SIZE);
791 if((be->sections.num_x * MAX_BMAP_SECTION_SIZE) < be->w){
792 be->sections.num_x++;
794 be->sections.num_y = (ubyte)(be->h / MAX_BMAP_SECTION_SIZE);
795 if((be->sections.num_y * MAX_BMAP_SECTION_SIZE) < be->h){
796 be->sections.num_y++;
799 // calculate the offsets for each section
800 for(idx=0; idx<be->sections.num_x; idx++){
801 be->sections.sx[idx] = (ushort)(MAX_BMAP_SECTION_SIZE * idx);
803 for(idx=0; idx<be->sections.num_y; idx++){
804 be->sections.sy[idx] = (ushort)(MAX_BMAP_SECTION_SIZE * idx);
808 // Creates a bitmap that exists in RAM somewhere, instead
809 // of coming from a disk file. You pass in a pointer to a
810 // block of 32 (or 8)-bit-per-pixel data. Right now, the only
811 // bpp you can pass in is 32 or 8. On success, it returns the
812 // bitmap number. You cannot free that RAM until bm_release
813 // is called on that bitmap.
814 int bm_create( int bpp, int w, int h, void * data, int flags )
816 int i, n, first_slot = MAX_BITMAPS;
818 // Assert((bpp==32)||(bpp==8));
820 Assert(flags & BMP_AABITMAP);
825 if ( !bm_inited ) bm_init();
827 for (i = MAX_BITMAPS-1; i >= 0; i-- ) {
828 if ( bm_bitmaps[i].type == BM_TYPE_NONE ) {
837 // Out of bitmap slots
838 if ( n == -1 ) return -1;
840 memset( &bm_bitmaps[n], 0, sizeof(bitmap_entry) );
842 sprintf( bm_bitmaps[n].filename, "TMP%dx%d", w, h );
843 bm_bitmaps[n].type = BM_TYPE_USER;
844 bm_bitmaps[n].palette_checksum = 0;
846 bm_bitmaps[n].bm.w = short(w);
847 bm_bitmaps[n].bm.h = short(h);
848 bm_bitmaps[n].bm.rowsize = short(w);
849 bm_bitmaps[n].bm.bpp = (unsigned char)(bpp);
850 bm_bitmaps[n].bm.flags = 0;
851 bm_bitmaps[n].bm.flags |= flags;
852 bm_bitmaps[n].bm.data = 0;
853 bm_bitmaps[n].bm.palette = NULL;
855 bm_bitmaps[n].info.user.bpp = ubyte(bpp);
856 bm_bitmaps[n].info.user.data = data;
857 bm_bitmaps[n].info.user.flags = ubyte(flags);
859 bm_bitmaps[n].signature = Bm_next_signature++;
861 bm_bitmaps[n].handle = bm_get_next_handle()*MAX_BITMAPS + n;
862 bm_bitmaps[n].last_used = -1;
864 // fill in section info
865 bm_calc_sections(&bm_bitmaps[n].bm);
867 return bm_bitmaps[n].handle;
870 // sub helper function. Given a raw filename and an extension, try and find the bitmap
871 // returns -1 if it could not be found
872 // 0 if it was found as a file
873 // 1 if it already exists, fills in handle
874 int Bm_ignore_duplicates = 0;
875 int bm_load_sub(char *real_filename, char *ext, int *handle)
878 char filename[MAX_FILENAME_LEN] = "";
880 strcpy( filename, real_filename );
881 strcat( filename, ext );
882 for (i=0; i<(int)strlen(filename); i++ ){
883 filename[i] = char(tolower(filename[i]));
886 // try to find given filename to see if it has been loaded before
887 if(!Bm_ignore_duplicates){
888 for (i = 0; i < MAX_BITMAPS; i++) {
889 if ( (bm_bitmaps[i].type != BM_TYPE_NONE) && !stricmp(filename, bm_bitmaps[i].filename) ) {
890 nprintf (("BmpMan", "Found bitmap %s -- number %d\n", filename, i));
891 *handle = bm_bitmaps[i].handle;
897 // try and find the file
899 CFILE *test = cfopen(filename, "rb");
906 // could not be found
910 // This loads a bitmap so we can draw with it later.
911 // It returns a negative number if it couldn't load
912 // the bitmap. On success, it returns the bitmap
913 // number. Function doesn't acutally load the data, only
914 // width, height, and possibly flags.
915 int bm_load( char * real_filename )
917 int i, n, first_slot = MAX_BITMAPS;
919 char filename[MAX_FILENAME_LEN];
924 if ( !bm_inited ) bm_init();
926 // nice little trick for keeping standalone memory usage way low - always return a bogus bitmap
927 if(Game_mode & GM_STANDALONE_SERVER){
928 strcpy(filename,"test128");
931 // make sure no one passed an extension
932 strcpy( filename, real_filename );
933 char *p = strchr( filename, '.' );
935 mprintf(( "Someone passed an extension to bm_load for file '%s'\n", real_filename ));
940 // try and find the pcx file
941 switch(bm_load_sub(filename, ".pcx", &handle)){
949 strcat(filename, ".pcx");
952 // found as pre-existing
959 // try and find the tga file
960 switch(bm_load_sub(filename, ".tga", &handle)){
968 strcat(filename, ".tga");
972 // found as pre-existing
980 int tga_error=targa_read_header( filename, &w, &h, &bpp, NULL );
981 if ( tga_error != TARGA_ERROR_NONE ) {
982 mprintf(( "Couldn't open '%s'\n", filename ));
988 int pcx_error=pcx_read_header( filename, &w, &h, NULL );
989 if ( pcx_error != PCX_ERROR_NONE ) {
990 mprintf(( "Couldn't open '%s'\n", filename ));
995 // Error( LOCATION, "Unknown bitmap type %s\n", filename );
998 for (i = 0; i < MAX_BITMAPS; i++) {
999 if ( (bm_bitmaps[i].type == BM_TYPE_NONE) && (first_slot == MAX_BITMAPS) ){
1005 Assert( n < MAX_BITMAPS );
1007 if ( n == MAX_BITMAPS ) return -1;
1009 // ensure fields are cleared out from previous bitmap
1010 // Assert(bm_bitmaps[n].bm.data == 0);
1011 // Assert(bm_bitmaps[n].bm.palette == NULL);
1012 // Assert(bm_bitmaps[n].ref_count == 0 );
1013 // Assert(bm_bitmaps[n].user_data == NULL);
1014 memset( &bm_bitmaps[n], 0, sizeof(bitmap_entry) );
1016 // Mark the slot as filled, because cf_read might load a new bitmap
1018 bm_bitmaps[n].type = tga ? (ubyte)BM_TYPE_TGA : (ubyte)BM_TYPE_PCX;
1019 bm_bitmaps[n].signature = Bm_next_signature++;
1020 Assert ( strlen(filename) < MAX_FILENAME_LEN );
1021 strncpy(bm_bitmaps[n].filename, filename, MAX_FILENAME_LEN-1 );
1022 bm_bitmaps[n].bm.w = short(w);
1023 bm_bitmaps[n].bm.rowsize = short(w);
1024 bm_bitmaps[n].bm.h = short(h);
1025 bm_bitmaps[n].bm.bpp = 0;
1026 bm_bitmaps[n].bm.flags = 0;
1027 bm_bitmaps[n].bm.data = 0;
1028 bm_bitmaps[n].bm.palette = NULL;
1030 bm_bitmaps[n].palette_checksum = 0;
1031 bm_bitmaps[n].handle = bm_get_next_handle()*MAX_BITMAPS + n;
1032 bm_bitmaps[n].last_used = -1;
1034 // fill in section info
1035 bm_calc_sections(&bm_bitmaps[n].bm);
1037 return bm_bitmaps[n].handle;
1040 // special load function. basically allows you to load a bitmap which already exists (by filename).
1041 // this is useful because in some cases we need to have a bitmap which is locked in screen format
1042 // _and_ texture format, such as pilot pics and squad logos
1043 int bm_load_duplicate(char *filename)
1047 // ignore duplicates
1048 Bm_ignore_duplicates = 1;
1051 ret = bm_load(filename);
1054 Bm_ignore_duplicates = 0;
1059 DCF(bm_frag,"Shows BmpMan fragmentation")
1069 for (int i=0; i<MAX_BITMAPS; i++ ) {
1070 switch( bm_bitmaps[i].type ) {
1072 gr_set_color(128,128,128);
1075 gr_set_color(255,0,0);
1078 gr_set_color(0,255,0);
1081 gr_set_color(0,0,255);
1085 gr_rect( x+xs, y+ys, w, h );
1099 static int find_block_of(int n)
1105 for (i=0; i<MAX_BITMAPS; i++ ) {
1106 if ( bm_bitmaps[i].type == BM_TYPE_NONE ) {
1107 if (cnt==0) nstart = i;
1111 if ( cnt == n ) return nstart;
1114 // Error( LOCATION, "Couldn't find block of %d frames\n", n );
1118 // ------------------------------------------------------------------
1119 // bm_load_animation()
1121 // input: filename => filename of animation
1122 // nframes => OUTPUT parameter: number of frames in the animation
1123 // fps => OUTPUT/OPTIONAL parameter: intended fps for the animation
1125 // returns: bitmap number of first frame in the animation
1127 int bm_load_animation( char *real_filename, int *nframes, int *fps, int can_drop_frames)
1132 char filename[MAX_FILENAME_LEN];
1134 if ( !bm_inited ) bm_init();
1136 strcpy( filename, real_filename );
1137 char *p = strchr( filename, '.' );
1139 mprintf(( "Someone passed an extension to bm_load_animation for file '%s'\n", real_filename ));
1143 strcat( filename, ".ani" );
1145 if ( (fp = cfopen(filename, "rb")) == NULL ) {
1146 // Error(LOCATION,"Could not open filename %s in bm_load_ani()\n", filename);
1152 // for debug of ANI sizes
1153 strcpy(the_anim.name, real_filename);
1155 anim_read_header(&the_anim, fp);
1156 if ( can_drop_frames ) {
1157 if ( Bm_low_mem == 1 ) {
1159 the_anim.total_frames = ( the_anim.total_frames+1)/2;
1160 } else if ( Bm_low_mem == 2 ) {
1161 the_anim.total_frames = 1;
1166 *nframes = the_anim.total_frames;
1167 if ( fps != NULL ) {
1169 *fps = the_anim.fps / 2;
1171 *fps = the_anim.fps;
1175 // first check to see if this ani already has it's frames loaded
1176 for (i = 0; i < MAX_BITMAPS; i++) {
1177 if ( (bm_bitmaps[i].type == BM_TYPE_ANI) && !stricmp(filename, bm_bitmaps[i].filename) ) {
1182 if ( i < MAX_BITMAPS ) {
1183 // in low memory modes this can happen
1185 Assert(bm_bitmaps[i].info.ani.num_frames == *nframes);
1187 return bm_bitmaps[i].handle;
1190 n = find_block_of(*nframes);
1194 // Assert( n >= 0 );
1196 int first_handle = bm_get_next_handle();
1198 Assert ( strlen(filename) < MAX_FILENAME_LEN );
1199 for ( i = 0; i < *nframes; i++ ) {
1200 memset( &bm_bitmaps[n+i], 0, sizeof(bitmap_entry) );
1201 bm_bitmaps[n+i].info.ani.first_frame = n;
1202 bm_bitmaps[n+i].info.ani.num_frames = ubyte(the_anim.total_frames);
1203 bm_bitmaps[n+i].info.ani.fps = ubyte(the_anim.fps);
1204 bm_bitmaps[n+i].bm.w = short(the_anim.width);
1205 bm_bitmaps[n+i].bm.rowsize = short(the_anim.width);
1206 bm_bitmaps[n+i].bm.h = short(the_anim.height);
1208 bm_bitmaps[n+i].bm.w /= 2;
1209 bm_bitmaps[n+i].bm.rowsize /= 2;
1210 bm_bitmaps[n+i].bm.h /= 2;
1212 bm_bitmaps[n+i].bm.flags = 0;
1213 bm_bitmaps[n+i].bm.bpp = 0;
1214 bm_bitmaps[n+i].bm.data = 0;
1215 bm_bitmaps[n+i].bm.palette = NULL;
1216 bm_bitmaps[n+i].type = BM_TYPE_ANI;
1217 bm_bitmaps[n+i].palette_checksum = 0;
1218 bm_bitmaps[n+i].signature = Bm_next_signature++;
1219 bm_bitmaps[n+i].handle = first_handle*MAX_BITMAPS + n+i;
1220 bm_bitmaps[n+i].last_used = -1;
1222 // fill in section info
1223 bm_calc_sections(&bm_bitmaps[n+i].bm);
1226 sprintf( bm_bitmaps[n+i].filename, "%s", filename );
1228 sprintf( bm_bitmaps[n+i].filename, "%s[%d]", filename, i );
1232 return bm_bitmaps[n].handle;
1235 // Gets info. w,h,or flags,nframes or fps can be NULL if you don't care.
1236 void bm_get_info( int handle, int *w, int * h, ubyte * flags, int *nframes, int *fps, bitmap_section_info **sections )
1240 if ( !bm_inited ) return;
1242 int bitmapnum = handle % MAX_BITMAPS;
1243 Assert( bm_bitmaps[bitmapnum].handle == handle ); // INVALID BITMAP HANDLE!
1245 if ( (bm_bitmaps[bitmapnum].type == BM_TYPE_NONE) || (bm_bitmaps[bitmapnum].handle != handle) ) {
1248 if (flags) *flags = 0;
1249 if (nframes) *nframes=0;
1251 if (sections != NULL) *sections = NULL;
1255 bmp = &(bm_bitmaps[bitmapnum].bm);
1259 if (flags) *flags = bmp->flags;
1260 if ( bm_bitmaps[bitmapnum].type == BM_TYPE_ANI ) {
1262 *nframes = bm_bitmaps[bitmapnum].info.ani.num_frames;
1265 *fps= bm_bitmaps[bitmapnum].info.ani.fps;
1275 if(sections != NULL){
1276 *sections = &bm_bitmaps[bitmapnum].bm.sections;
1280 uint bm_get_signature( int handle )
1282 if ( !bm_inited ) bm_init();
1284 int bitmapnum = handle % MAX_BITMAPS;
1285 Assert( bm_bitmaps[bitmapnum].handle == handle ); // INVALID BITMAP HANDLE
1287 return bm_bitmaps[bitmapnum].signature;
1290 extern int palman_is_nondarkening(int r,int g, int b);
1291 static void bm_convert_format( int bitmapnum, bitmap *bmp, ubyte bpp, ubyte flags )
1296 if(Fred_running || Pofview_running || Is_standalone){
1297 Assert(bmp->bpp == 8);
1301 if(flags & BMP_AABITMAP){
1302 Assert(bmp->bpp == 8);
1304 Assert(bmp->bpp == 16);
1308 // maybe swizzle to be an xparent texture
1309 if(!(bmp->flags & BMP_TEX_XPARENT) && (flags & BMP_TEX_XPARENT)){
1310 for(idx=0; idx<bmp->w*bmp->h; idx++){
1312 // if the pixel is transparent
1313 if ( ((ushort*)bmp->data)[idx] == Gr_t_green.mask) {
1314 switch(Bm_pixel_format){
1315 // 1555, all we need to do is zero the whole thing
1316 case BM_PIXEL_FORMAT_ARGB:
1317 case BM_PIXEL_FORMAT_ARGB_D3D:
1318 ((ushort*)bmp->data)[idx] = 0;
1321 case BM_PIXEL_FORMAT_D3D:
1323 r /= Gr_t_red.scale;
1324 g /= Gr_t_green.scale;
1325 b /= Gr_t_blue.scale;
1326 a /= Gr_t_alpha.scale;
1327 ((ushort*)bmp->data)[idx] = (unsigned short)((a<<Gr_t_alpha.shift) | (r << Gr_t_red.shift) | (g << Gr_t_green.shift) | (b << Gr_t_blue.shift));
1335 bmp->flags |= BMP_TEX_XPARENT;
1339 // basically, map the bitmap into the current palette. used to be done for all pcx's, now just for
1340 // Fred, since its the only thing that uses the software tmapper
1341 void bm_swizzle_8bit_for_fred(bitmap_entry *be, bitmap *bmp, ubyte *data, ubyte *palette)
1343 int pcx_xparent_index = -1;
1348 for (i=0; i<256; i++ ) {
1352 if ( g == 255 && r == 0 && b == 0 ) {
1354 pcx_xparent_index = i;
1356 palxlat[i] = (ubyte)(palette_find( r, g, b ));
1359 for (i=0; i<bmp->w * bmp->h; i++ ) {
1360 ubyte c = palxlat[data[i]];
1363 be->palette_checksum = gr_palette_checksum;
1366 void bm_lock_pcx( int handle, int bitmapnum, bitmap_entry *be, bitmap *bmp, ubyte bpp, ubyte flags )
1368 ubyte *data, *palette;
1372 // Unload any existing data
1373 bm_free_data( bitmapnum );
1375 // allocate bitmap data
1377 // Assert(Fred_running || Pofview_running || Is_standalone);
1378 data = (ubyte *)bm_malloc(bitmapnum, bmp->w * bmp->h );
1379 #ifdef BMPMAN_NDEBUG
1380 Assert( be->data_size == bmp->w * bmp->h );
1383 bmp->data = (uint)data;
1385 bmp->palette = gr_palette;
1386 memset( data, 0, bmp->w * bmp->h);
1388 data = (ubyte*)bm_malloc(bitmapnum, bmp->w * bmp->h * 2);
1390 bmp->data = (uint)data;
1391 bmp->palette = NULL;
1392 memset( data, 0, bmp->w * bmp->h * 2);
1395 Assert( &be->bm == bmp );
1396 #ifdef BMPMAN_NDEBUG
1397 Assert( be->data_size > 0 );
1400 // some sanity checks on flags
1401 Assert(!((flags & BMP_AABITMAP) && (flags & BMP_TEX_ANY))); // no aabitmap textures
1402 Assert(!((flags & BMP_TEX_XPARENT) && (flags & BMP_TEX_NONDARK))); // can't be a transparent texture and a nondarkening texture
1403 Assert(!((flags & BMP_TEX_NONDARK) && (gr_screen.mode == GR_DIRECT3D))); // D3D should never be trying to get nondarkening textures
1406 int pcx_error=pcx_read_bitmap_8bpp( be->filename, data, palette );
1407 if ( pcx_error != PCX_ERROR_NONE ) {
1408 // Error( LOCATION, "Couldn't open '%s'\n", be->filename );
1409 //Error( LOCATION, "Couldn't open '%s'\n", filename );
1413 // now swizzle the thing into the proper format
1414 if(Fred_running || Pofview_running){
1415 bm_swizzle_8bit_for_fred(be, bmp, data, palette);
1421 if(flags & BMP_AABITMAP){
1422 pcx_error = pcx_read_bitmap_16bpp_aabitmap( be->filename, data );
1423 } else if(flags & BMP_TEX_NONDARK){
1424 pcx_error = pcx_read_bitmap_16bpp_nondark( be->filename, data );
1426 pcx_error = pcx_read_bitmap_16bpp( be->filename, data );
1428 if ( pcx_error != PCX_ERROR_NONE ) {
1429 // Error( LOCATION, "Couldn't open '%s'\n", be->filename );
1430 //Error( LOCATION, "Couldn't open '%s'\n", filename );
1435 #ifdef BMPMAN_NDEBUG
1436 Assert( be->data_size > 0 );
1440 bm_convert_format( bitmapnum, bmp, bpp, flags );
1443 void bm_lock_ani( int handle, int bitmapnum, bitmap_entry *be, bitmap *bmp, ubyte bpp, ubyte flags )
1446 anim_instance *the_anim_instance;
1450 int first_frame, nframes;
1452 first_frame = be->info.ani.first_frame;
1453 nframes = bm_bitmaps[first_frame].info.ani.num_frames;
1455 if ( (the_anim = anim_load(bm_bitmaps[first_frame].filename)) == NULL ) {
1456 // Error(LOCATION, "Error opening %s in bm_lock\n", be->filename);
1459 if ( (the_anim_instance = init_anim_instance(the_anim, bpp)) == NULL ) {
1460 // Error(LOCATION, "Error opening %s in bm_lock\n", be->filename);
1461 anim_free(the_anim);
1464 int can_drop_frames = 0;
1466 if ( the_anim->total_frames != bm_bitmaps[first_frame].info.ani.num_frames ) {
1467 can_drop_frames = 1;
1469 bm = &bm_bitmaps[first_frame].bm;
1471 size = bm->w * bm->h * 2;
1473 size = bm->w * bm->h;
1476 for ( i=0; i<nframes; i++ ) {
1477 be = &bm_bitmaps[first_frame+i];
1478 bm = &bm_bitmaps[first_frame+i].bm;
1480 // Unload any existing data
1481 bm_free_data( first_frame+i );
1484 // briefing editor in Fred2 uses aabitmaps (ani's) - force to 8 bit
1485 if(Fred_running || Is_standalone){
1490 bm->data = (uint)bm_malloc(first_frame + i, size);
1492 frame_data = anim_get_next_raw_buffer(the_anim_instance, 0 ,flags & BMP_AABITMAP ? 1 : 0, bm->bpp);
1494 if ( frame_data == NULL ) {
1495 // Error(LOCATION,"Fatal error locking .ani file: %s\n", be->filename);
1501 dptr = (ubyte *)bm->data;
1503 if ( (bm->w!=the_anim->width) || (bm->h!=the_anim->height) ) {
1505 // Int3(); // not ready yet - should only be ingame
1510 fix u, utmp, v, du, dv;
1514 du = ( the_anim->width*F1_0 ) / bm->w;
1515 dv = ( the_anim->height*F1_0 ) / bm->h;
1517 for (h = 0; h < bm->h; h++) {
1518 ubyte *drow = &dptr[bm->w * h];
1519 ubyte *srow = &sptr[f2i(v)*the_anim->width];
1523 for (w = 0; w < bm->w; w++) {
1524 *drow++ = srow[f2i(utmp)];
1533 fix u, utmp, v, du, dv;
1537 du = ( the_anim->width*F1_0 ) / bm->w;
1538 dv = ( the_anim->height*F1_0 ) / bm->h;
1540 for (h = 0; h < bm->h; h++) {
1541 ushort *drow = &((ushort*)dptr)[bm->w * h];
1542 ushort *srow = &((ushort*)sptr)[f2i(v)*the_anim->width];
1546 for (w = 0; w < bm->w; w++) {
1547 *drow++ = srow[f2i(utmp)];
1555 memcpy(dptr, sptr, size);
1558 bm_convert_format( first_frame+i, bm, bpp, flags );
1561 if ( (i < nframes-1) && can_drop_frames ) {
1562 frame_data = anim_get_next_raw_buffer(the_anim_instance, 0, flags & BMP_AABITMAP ? 1 : 0, bm->bpp);
1565 //mprintf(( "Checksum = %d\n", be->palette_checksum ));
1568 free_anim_instance(the_anim_instance);
1569 anim_free(the_anim);
1573 void bm_lock_user( int handle, int bitmapnum, bitmap_entry *be, bitmap *bmp, ubyte bpp, ubyte flags )
1578 // Unload any existing data
1579 bm_free_data( bitmapnum );
1581 switch( be->info.user.bpp ) {
1582 case 16: // user 16 bit bitmap
1584 bmp->flags = be->info.user.flags;
1585 bmp->data = (uint)be->info.user.data;
1588 case 8: // Going from 8 bpp to something (probably only for aabitmaps)
1590 Assert(flags & BMP_AABITMAP);
1592 bmp->data = (uint)malloc(bmp->w * bmp->h * 2);
1593 bmp->flags = be->info.user.flags;
1594 bmp->palette = NULL;
1596 // go through and map the pixels
1597 for(idx=0; idx<bmp->w * bmp->h; idx++){
1598 bit_16 = (ushort)((ubyte*)be->info.user.data)[idx];
1599 Assert(bit_16 <= 255);
1601 // stuff the final result
1602 memcpy((char*)bmp->data + (idx * 2), &bit_16, sizeof(ushort));
1605 Assert(flags & BMP_AABITMAP);
1607 bmp->flags = be->info.user.flags;
1608 bmp->data = (uint)be->info.user.data;
1612 // Error( LOCATION, "Unhandled user bitmap conversion from %d to %d bpp", be->info.user.bpp, bmp->bpp );
1615 bm_convert_format( bitmapnum, bmp, bpp, flags );
1618 void bm_lock_tga( int handle, int bitmapnum, bitmap_entry *be, bitmap *bmp, ubyte bpp, ubyte flags )
1622 // Unload any existing data
1623 bm_free_data( bitmapnum );
1625 if(Fred_running || Is_standalone){
1631 // should never try to make an aabitmap out of a targa
1632 Assert(!(flags & BMP_AABITMAP));
1634 // allocate bitmap data
1636 data = (ubyte*)bm_malloc(bitmapnum, bmp->w * bmp->h * 2);
1638 data = (ubyte*)bm_malloc(bitmapnum, bmp->w * bmp->h);
1641 bmp->data = (uint)data;
1642 bmp->palette = NULL;
1644 memset( data, 0, bmp->w * bmp->h * 2);
1646 memset( data, 0, bmp->w * bmp->h );
1649 Assert( &be->bm == bmp );
1650 #ifdef BMPMAN_NDEBUG
1651 Assert( be->data_size > 0 );
1654 int tga_error=targa_read_bitmap( be->filename, data, NULL, (bpp == 16) ? 2 : 1);
1655 if ( tga_error != TARGA_ERROR_NONE ) {
1656 // Error( LOCATION, "Couldn't open '%s'\n", be->filename );
1657 //Error( LOCATION, "Couldn't open '%s'\n", filename );
1661 #ifdef BMPMAN_NDEBUG
1662 Assert( be->data_size > 0 );
1666 bm_convert_format( bitmapnum, bmp, bpp, flags );
1669 MONITOR( NumBitmapPage );
1670 MONITOR( SizeBitmapPage );
1672 // This locks down a bitmap and returns a pointer to a bitmap
1673 // that can be accessed until you call bm_unlock. Only lock
1674 // a bitmap when you need it! This will convert it into the
1675 // appropriate format also.
1676 bitmap * bm_lock( int handle, ubyte bpp, ubyte flags )
1682 if ( !bm_inited ) bm_init();
1684 int bitmapnum = handle % MAX_BITMAPS;
1685 Assert( bm_bitmaps[bitmapnum].handle == handle ); // INVALID BITMAP HANDLE
1687 // flags &= (~BMP_RLE);
1689 // if we're on a standalone server, aways for it to lock to 8 bits
1694 // otherwise do it as normal
1696 if(Fred_running || Pofview_running){
1698 Assert( (bm_bitmaps[bitmapnum].type == BM_TYPE_PCX) || (bm_bitmaps[bitmapnum].type == BM_TYPE_ANI) || (bm_bitmaps[bitmapnum].type == BM_TYPE_TGA));
1700 if(flags & BMP_AABITMAP){
1703 Assert( bpp == 16 );
1708 be = &bm_bitmaps[bitmapnum];
1711 // If you hit this assert, chances are that someone freed the
1712 // wrong bitmap and now someone is trying to use that bitmap.
1714 Assert( be->type != BM_TYPE_NONE );
1716 // Increment ref count for bitmap since lock was made on it.
1717 Assert(be->ref_count >= 0);
1718 be->ref_count++; // Lock it before we page in data; this prevents a callback from freeing this
1719 // as it gets read in
1721 // Mark this bitmap as used this frame
1722 #ifdef BMPMAN_NDEBUG
1723 if ( be->used_this_frame < 255 ) {
1724 be->used_this_frame++;
1728 // if bitmap hasn't been loaded yet, then load it from disk
1729 // reread the bitmap from disk under certain conditions
1730 int pal_changed = 0;
1731 int rle_changed = 0;
1732 int fake_xparent_changed = 0;
1733 if ( (bmp->data == 0) || (bpp != bmp->bpp) || pal_changed || rle_changed || fake_xparent_changed ) {
1734 Assert(be->ref_count == 1);
1736 if ( be->type != BM_TYPE_USER ) {
1737 if ( bmp->data == 0 ) {
1738 nprintf (("BmpMan","Loading %s for the first time.\n", be->filename));
1739 } else if ( bpp != bmp->bpp ) {
1740 nprintf (("BmpMan","Reloading %s from bitdepth %d to bitdepth %d\n", be->filename, bmp->bpp, bpp));
1741 } else if ( pal_changed ) {
1742 nprintf (("BmpMan","Reloading %s to remap palette\n", be->filename));
1743 } else if ( rle_changed ) {
1744 nprintf (("BmpMan","Reloading %s to change RLE.\n", be->filename));
1745 } else if ( fake_xparent_changed ) {
1746 nprintf (("BmpMan","Reloading %s to change fake xparency.\n", be->filename));
1750 MONITOR_INC( NumBitmapPage, 1 );
1751 MONITOR_INC( SizeBitmapPage, bmp->w*bmp->h );
1754 if ( be->type != BM_TYPE_USER ) {
1756 strcpy( flag_text, "--" );
1757 nprintf(( "Paging", "Loading %s (%dx%dx%dx%s)\n", be->filename, bmp->w, bmp->h, bpp, flag_text ));
1761 // select proper format
1762 if(flags & BMP_AABITMAP){
1763 BM_SELECT_ALPHA_TEX_FORMAT();
1764 } else if(flags & BMP_TEX_ANY){
1765 BM_SELECT_TEX_FORMAT();
1767 BM_SELECT_SCREEN_FORMAT();
1770 switch ( be->type ) {
1772 bm_lock_pcx( handle, bitmapnum, be, bmp, bpp, flags );
1776 bm_lock_ani( handle, bitmapnum, be, bmp, bpp, flags );
1780 bm_lock_user( handle, bitmapnum, be, bmp, bpp, flags );
1784 bm_lock_tga( handle, bitmapnum, be, bmp, bpp, flags );
1788 Warning(LOCATION, "Unsupported type in bm_lock -- %d\n", be->type );
1792 // always go back to screen format
1793 BM_SELECT_SCREEN_FORMAT();
1796 if ( be->type == BM_TYPE_ANI ) {
1797 int i,first = bm_bitmaps[bitmapnum].info.ani.first_frame;
1799 for ( i=0; i< bm_bitmaps[first].info.ani.num_frames; i++ ) {
1800 // Mark all the bitmaps in this bitmap or animation as recently used
1801 bm_bitmaps[first+i].last_used = timer_get_milliseconds();
1803 // Mark all the bitmaps in this bitmap or animation as used for the usage tracker.
1804 #ifdef BMPMAN_NDEBUG
1805 bm_bitmaps[first+i].used_count++;
1807 bm_bitmaps[first+i].used_flags = flags;
1810 // Mark all the bitmaps in this bitmap or animation as recently used
1811 be->last_used = timer_get_milliseconds();
1813 // Mark all the bitmaps in this bitmap or animation as used for the usage tracker.
1814 #ifdef BMPMAN_NDEBUG
1817 be->used_flags = flags;
1825 // Decrements the ref_count member of the bitmap_entry struct. A bitmap can only be unloaded
1826 // when the ref_count is 0.
1828 void bm_unlock( int handle )
1833 int bitmapnum = handle % MAX_BITMAPS;
1834 Assert( bm_bitmaps[bitmapnum].handle == handle ); // INVALID BITMAP HANDLE
1836 Assert(bitmapnum >= 0 && bitmapnum < MAX_BITMAPS);
1837 if ( !bm_inited ) bm_init();
1839 be = &bm_bitmaps[bitmapnum];
1843 Assert(be->ref_count >= 0); // Trying to unlock data more times than lock was called!!!
1852 char *bm_get_filename(int handle)
1856 n = handle % MAX_BITMAPS;
1857 Assert(bm_bitmaps[n].handle == handle); // INVALID BITMAP HANDLE
1858 return bm_bitmaps[n].filename;
1861 void bm_get_palette(int handle, ubyte *pal, char *name)
1866 int n= handle % MAX_BITMAPS;
1867 Assert( bm_bitmaps[n].handle == handle ); // INVALID BITMAP HANDLE
1869 filename = bm_bitmaps[n].filename;
1872 strcpy( name, filename );
1875 int pcx_error=pcx_read_header( filename, &w, &h, pal );
1876 if ( pcx_error != PCX_ERROR_NONE ){
1877 // Error(LOCATION, "Couldn't open '%s'\n", filename );
1881 // --------------------------------------------------------------------------------------
1882 // bm_release() - unloads the bitmap's data and entire slot, so bitmap 'n' won't be valid anymore
1884 // parameters: n => index into bm_bitmaps ( index returned from bm_load() or bm_create() )
1888 void bm_release(int handle)
1892 int n = handle % MAX_BITMAPS;
1894 Assert(n >= 0 && n < MAX_BITMAPS);
1895 be = &bm_bitmaps[n];
1897 if ( bm_bitmaps[n].type == BM_TYPE_NONE ) {
1898 return; // Already been released?
1901 if ( bm_bitmaps[n].type != BM_TYPE_USER ) {
1905 Assert( be->handle == handle ); // INVALID BITMAP HANDLE
1907 // If it is locked, cannot free it.
1908 if (be->ref_count != 0) {
1909 nprintf(("BmpMan", "tried to unload %s that has a lock count of %d.. not unloading\n", be->filename, be->ref_count));
1915 if ( bm_bitmaps[n].type == BM_TYPE_USER ) {
1916 bm_bitmaps[n].info.user.data = NULL;
1917 bm_bitmaps[n].info.user.bpp = 0;
1921 bm_bitmaps[n].type = BM_TYPE_NONE;
1923 // Fill in bogus structures!
1926 strcpy( bm_bitmaps[n].filename, "IVE_BEEN_RELEASED!" );
1927 bm_bitmaps[n].signature = 0xDEADBEEF; // a unique signature identifying the data
1928 bm_bitmaps[n].palette_checksum = 0xDEADBEEF; // checksum used to be sure bitmap is in current palette
1931 #ifdef BMPMAN_NDEBUG
1932 bm_bitmaps[n].data_size = -1; // How much data this bitmap uses
1934 bm_bitmaps[n].ref_count = -1; // Number of locks on bitmap. Can't unload unless ref_count is 0.
1937 bm_bitmaps[n].bm.w = bm_bitmaps[n].bm.h = -1;
1939 // Stuff needed for animations
1940 // Stuff needed for user bitmaps
1941 memset( &bm_bitmaps[n].info, 0, sizeof(bm_extra_info) );
1943 bm_bitmaps[n].handle = -1;
1951 // --------------------------------------------------------------------------------------
1952 // bm_unload() - unloads the data, but not the bitmap info.
1954 // parameters: n => index into bm_bitmaps ( index returned from bm_load() or bm_create() )
1956 // returns: 0 => unload failed
1957 // 1 => unload successful
1959 int bm_unload( int handle )
1964 int n = handle % MAX_BITMAPS;
1966 Assert(n >= 0 && n < MAX_BITMAPS);
1967 be = &bm_bitmaps[n];
1970 if ( be->type == BM_TYPE_NONE ) {
1971 return 0; // Already been released
1974 Assert( be->handle == handle ); // INVALID BITMAP HANDLE!
1976 // If it is locked, cannot free it.
1977 if (be->ref_count != 0) {
1978 nprintf(("BmpMan", "tried to unload %s that has a lock count of %d.. not unloading\n", be->filename, be->ref_count));
1982 nprintf(("BmpMan", "unloading %s. %dx%dx%d\n", be->filename, bmp->w, bmp->h, bmp->bpp));
1983 bm_free_data(n); // clears flags, bbp, data, etc
1989 // unload all used bitmaps
1990 void bm_unload_all()
1994 for (i = 0; i < MAX_BITMAPS; i++) {
1995 if ( bm_bitmaps[i].type != BM_TYPE_NONE ) {
1996 bm_unload(bm_bitmaps[i].handle);
2002 DCF(bmpman,"Shows/changes bitmap caching parameters and usage")
2005 dc_get_arg(ARG_STRING);
2006 if ( !strcmp( Dc_arg, "flush" )) {
2007 dc_printf( "Total RAM usage before flush: %d bytes\n", bm_texture_ram );
2009 for (i = 0; i < MAX_BITMAPS; i++) {
2010 if ( bm_bitmaps[i].type != BM_TYPE_NONE ) {
2014 dc_printf( "Total RAM after flush: %d bytes\n", bm_texture_ram );
2015 } else if ( !strcmp( Dc_arg, "ram" )) {
2016 dc_get_arg(ARG_INT);
2017 Bm_max_ram = Dc_arg_int*1024*1024;
2019 // print usage, not stats
2025 dc_printf( "Usage: BmpMan keyword\nWhere keyword can be in the following forms:\n" );
2026 dc_printf( "BmpMan flush Unloads all bitmaps.\n" );
2027 dc_printf( "BmpMan ram x Sets max mem usage to x MB. (Set to 0 to have no limit.)\n" );
2028 dc_printf( "\nUse '? BmpMan' to see status of Bitmap manager.\n" );
2029 Dc_status = 0; // don't print status if help is printed. Too messy.
2033 dc_printf( "Total RAM usage: %d bytes\n", bm_texture_ram );
2036 if ( Bm_max_ram > 1024*1024 )
2037 dc_printf( "Max RAM allowed: %.1f MB\n", i2fl(Bm_max_ram)/(1024.0f*1024.0f) );
2038 else if ( Bm_max_ram > 1024 )
2039 dc_printf( "Max RAM allowed: %.1f KB\n", i2fl(Bm_max_ram)/(1024.0f) );
2040 else if ( Bm_max_ram > 0 )
2041 dc_printf( "Max RAM allowed: %d bytes\n", Bm_max_ram );
2043 dc_printf( "No RAM limit\n" );
2049 // Marks a texture as being used for this level
2050 void bm_page_in_texture( int bitmapnum, int nframes )
2053 for (i=0; i<nframes;i++ ) {
2054 int n = bitmapnum % MAX_BITMAPS;
2056 bm_bitmaps[n+i].preloaded = 1;
2058 if ( D3D_enabled ) {
2059 bm_bitmaps[n+i].used_flags = BMP_TEX_OTHER;
2061 bm_bitmaps[n+i].used_flags = 0;
2066 // Marks a texture as being used for this level
2067 // If num_frames is passed, assume this is an animation
2068 void bm_page_in_nondarkening_texture( int bitmapnum, int nframes )
2071 for (i=0; i<nframes;i++ ) {
2072 int n = bitmapnum % MAX_BITMAPS;
2074 bm_bitmaps[n+i].preloaded = 4;
2076 if ( D3D_enabled ) {
2077 bm_bitmaps[n+i].used_flags = BMP_TEX_NONDARK;
2079 bm_bitmaps[n+i].used_flags = 0;
2084 // marks a texture as being a transparent textyre used for this level
2085 // Marks a texture as being used for this level
2086 // If num_frames is passed, assume this is an animation
2087 void bm_page_in_xparent_texture( int bitmapnum, int nframes)
2090 for (i=0; i<nframes;i++ ) {
2091 int n = bitmapnum % MAX_BITMAPS;
2093 bm_bitmaps[n+i].preloaded = 3;
2095 if ( D3D_enabled ) {
2096 // bm_bitmaps[n+i].used_flags = BMP_NO_PALETTE_MAP;
2097 bm_bitmaps[n+i].used_flags = BMP_TEX_XPARENT;
2099 bm_bitmaps[n+i].used_flags = 0;
2104 // Marks an aabitmap as being used for this level
2105 void bm_page_in_aabitmap( int bitmapnum, int nframes )
2109 for (i=0; i<nframes;i++ ) {
2110 int n = bitmapnum % MAX_BITMAPS;
2112 bm_bitmaps[n+i].preloaded = 2;
2114 if ( D3D_enabled ) {
2115 bm_bitmaps[n+i].used_flags = BMP_AABITMAP;
2117 bm_bitmaps[n+i].used_flags = 0;
2124 // Tell the bitmap manager to start keeping track of what bitmaps are used where.
2125 void bm_page_in_start()
2131 // Mark all as inited
2132 for (i = 0; i < MAX_BITMAPS; i++) {
2133 if ( bm_bitmaps[i].type != BM_TYPE_NONE ) {
2134 bm_unload(bm_bitmaps[i].handle);
2136 bm_bitmaps[i].preloaded = 0;
2137 #ifdef BMPMAN_NDEBUG
2138 bm_bitmaps[i].used_count = 0;
2140 bm_bitmaps[i].used_flags = 0;
2145 extern void gr_d3d_preload_init();
2146 extern int gr_d3d_preload(int bitmap_num, int is_aabitmap );
2148 void bm_page_in_stop()
2151 int ship_info_index;
2153 nprintf(( "BmpInfo","BMPMAN: Loading all used bitmaps.\n" ));
2155 // Load all the ones that are supposed to be loaded for this level.
2158 #ifdef BMPMAN_NDEBUG
2162 int d3d_preloading = 1;
2164 gr_d3d_preload_init();
2166 for (i = 0; i < MAX_BITMAPS; i++) {
2167 if ( bm_bitmaps[i].type != BM_TYPE_NONE ) {
2168 if ( bm_bitmaps[i].preloaded ) {
2169 #ifdef BMPMAN_SPECIAL_NONDARK
2170 // if this is a texture, check to see if a ship uses it
2171 ship_info_index = ship_get_texture(bm_bitmaps[i].handle);
2172 // use the colors from this ship
2173 if((ship_info_index >= 0) && (Ship_info[ship_info_index].num_nondark_colors > 0)){
2174 // mprintf(("Using custom pixels for %s\n", Ship_info[ship_info_index].name));
2175 palman_set_nondarkening(Ship_info[ship_info_index].nondark_colors, Ship_info[ship_info_index].num_nondark_colors);
2177 // use the colors from the default table
2179 // mprintf(("Using default pixels\n"));
2180 palman_set_nondarkening(Palman_non_darkening_default, Palman_num_nondarkening_default);
2184 // if preloaded == 3, load it as an xparent texture
2185 if(bm_bitmaps[i].used_flags == BMP_AABITMAP){
2186 bm_lock( bm_bitmaps[i].handle, 8, bm_bitmaps[i].used_flags );
2188 bm_lock( bm_bitmaps[i].handle, 16, bm_bitmaps[i].used_flags );
2190 bm_unlock( bm_bitmaps[i].handle );
2192 if ( d3d_preloading ) {
2193 if ( !gr_d3d_preload(bm_bitmaps[i].handle, (bm_bitmaps[i].preloaded==2) ) ) {
2194 mprintf(( "Out of VRAM. Done preloading.\n" ));
2200 #ifdef BMPMAN_NDEBUG
2201 if ( Bm_ram_freed ) {
2202 nprintf(( "BmpInfo","BMPMAN: Not enough cache memory to load all level bitmaps\n" ));
2210 nprintf(( "BmpInfo","BMPMAN: Loaded %d bitmaps that are marked as used for this level.\n", n ));
2212 int total_bitmaps = 0;
2213 for (i = 0; i < MAX_BITMAPS; i++) {
2214 if ( bm_bitmaps[i].type != BM_TYPE_NONE ) {
2217 if ( bm_bitmaps[i].type == BM_TYPE_USER ) {
2218 mprintf(( "User bitmap '%s'\n", bm_bitmaps[i].filename ));
2222 mprintf(( "Bmpman: %d/%d bitmap slots in use.\n", total_bitmaps, MAX_BITMAPS ));
2223 //mprintf(( "Bmpman: Usage went from %d KB to %d KB.\n", usage_before/1024, usage_after/1024 ));
2228 int bm_get_cache_slot( int bitmap_id, int separate_ani_frames )
2230 int n = bitmap_id % MAX_BITMAPS;
2232 Assert( bm_bitmaps[n].handle == bitmap_id ); // INVALID BITMAP HANDLE
2234 bitmap_entry *be = &bm_bitmaps[n];
2236 if ( (!separate_ani_frames) && (be->type == BM_TYPE_ANI) ) {
2237 return be->info.ani.first_frame;
2244 // convert a 24 bit value to a 16 bit value
2245 void bm_24_to_16(int bit_24, ushort *bit_16)
2247 ubyte *pixel = (ubyte*)&bit_24;
2250 bm_set_components((ubyte*)bit_16, (ubyte*)&pixel[0], (ubyte*)&pixel[1], (ubyte*)&pixel[2], &alpha);
2253 extern int D3D_32bit;
2255 void (*bm_set_components)(ubyte *pixel, ubyte *r, ubyte *g, ubyte *b, ubyte *a) = NULL;
2257 void bm_set_components_argb(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2260 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2261 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2262 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2263 *((ushort*)pixel) &= ~(0x8000);
2264 if (*((ushort*)pixel) == (ushort)Gr_current_green->mask) {
2265 *((ushort*)pixel) = 0;
2268 *((ushort*)pixel) |= 0x8000;
2273 void bm_set_components_d3d(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2276 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2277 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2278 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2280 *((ushort*)pixel) = (ushort)Gr_current_green->mask;
2284 void bm_set_components_argb_d3d_16_screen(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2286 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2287 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2288 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2290 *((ushort*)pixel) = (ushort)Gr_current_green->mask;
2294 void bm_set_components_argb_d3d_32_screen(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2296 *((uint*)pixel) |= (uint)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2297 *((uint*)pixel) |= (uint)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2298 *((uint*)pixel) |= (uint)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2300 *((uint*)pixel) = (uint)Gr_current_green->mask;
2304 void bm_set_components_argb_d3d_16_tex(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2306 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2307 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2308 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2309 *((ushort*)pixel) &= ~(Gr_current_alpha->mask);
2311 *((ushort*)pixel) |= (ushort)(Gr_current_alpha->mask);
2313 *((ushort*)pixel) = 0;
2317 void bm_set_components_argb_d3d_32_tex(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2319 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2320 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2321 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2322 *((ushort*)pixel) &= ~(Gr_current_alpha->mask);
2324 *((ushort*)pixel) |= (ushort)(Gr_current_alpha->mask);
2326 *((ushort*)pixel) = 0;
2330 // for selecting pixel formats
2331 void BM_SELECT_SCREEN_FORMAT()
2333 Gr_current_red = &Gr_red;
2334 Gr_current_green = &Gr_green;
2335 Gr_current_blue = &Gr_blue;
2336 Gr_current_alpha = &Gr_alpha;
2339 if(gr_screen.mode == GR_GLIDE){
2341 bm_set_components = bm_set_components_argb;
2343 } else if(gr_screen.mode == GR_DIRECT3D){
2344 if(Bm_pixel_format == BM_PIXEL_FORMAT_D3D){
2345 bm_set_components = bm_set_components_d3d;
2348 bm_set_components = bm_set_components_argb_d3d_32_screen;
2350 bm_set_components = bm_set_components_argb_d3d_16_screen;
2353 #warning BM_SELECT_SCREEN_FORMAT: hack correct settings for software/opengl not known
2354 } else if(gr_screen.mode == GR_SOFTWARE){
2356 bm_set_components = bm_set_components_argb;
2357 } else if(gr_screen.mode == GR_OPENGL){
2359 bm_set_components = bm_set_components_argb;
2363 void BM_SELECT_TEX_FORMAT()
2366 Gr_current_red = &Gr_t_red;
2367 Gr_current_green = &Gr_t_green;
2368 Gr_current_blue = &Gr_t_blue;
2369 Gr_current_alpha = &Gr_t_alpha;
2372 if(gr_screen.mode == GR_GLIDE){
2373 bm_set_components = bm_set_components_argb;
2376 if(gr_screen.mode == GR_DIRECT3D){
2377 if(Bm_pixel_format == BM_PIXEL_FORMAT_D3D){
2378 bm_set_components = bm_set_components_d3d;
2381 bm_set_components = bm_set_components_argb_d3d_32_tex;
2383 bm_set_components = bm_set_components_argb_d3d_16_tex;
2386 #warning BM_SELECT_TEX_FORMAT: hack correct settings for software/opengl not known
2387 } else if(gr_screen.mode == GR_SOFTWARE){
2389 bm_set_components = bm_set_components_argb;
2390 } else if(gr_screen.mode == GR_OPENGL){
2392 bm_set_components = bm_set_components_argb;
2396 void BM_SELECT_ALPHA_TEX_FORMAT()
2398 Gr_current_red = &Gr_ta_red;
2399 Gr_current_green = &Gr_ta_green;
2400 Gr_current_blue = &Gr_ta_blue;
2401 Gr_current_alpha = &Gr_ta_alpha;
2404 if(gr_screen.mode == GR_GLIDE){
2405 bm_set_components = bm_set_components_argb;
2406 } else if(gr_screen.mode == GR_DIRECT3D){
2407 if(Bm_pixel_format == BM_PIXEL_FORMAT_D3D){
2408 bm_set_components = bm_set_components_d3d;
2411 bm_set_components = bm_set_components_argb_d3d_32_tex;
2413 bm_set_components = bm_set_components_argb_d3d_16_tex;
2416 #warning BM_ALPHA_TEX_FORMAT: hack correct settings for software/opengl not known
2417 } else if(gr_screen.mode == GR_SOFTWARE){
2419 bm_set_components = bm_set_components_argb;
2420 } else if(gr_screen.mode == GR_OPENGL){
2422 bm_set_components = bm_set_components_argb;
2426 // set the rgba components of a pixel, any of the parameters can be -1
2428 void bm_set_components(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2432 // pick a byte size - 32 bits only if 32 bit mode d3d and screen format
2433 if(D3D_32bit && (Gr_current_red == &Gr_red)){
2438 *((uint*)pixel) |= (uint)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2440 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2443 *((uint*)pixel) |= (uint)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2445 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2448 *((uint*)pixel) |= (uint)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2450 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2453 // NOTE - this is a semi-hack. For direct3d we don't use an alpha bit, so if *av == 0, we just set the whole pixel to be Gr_green.mask
2454 // ergo, we need to do this _last_
2455 switch(Bm_pixel_format){
2456 // glide has an alpha channel so we have to unset ir or set it each time
2457 case BM_PIXEL_FORMAT_ARGB:
2459 *((ushort*)pixel) &= ~(0x8000);
2461 *((ushort*)pixel) |= 0x8000;
2465 // this d3d format has no alpha channel, so only make it "transparent", never make it "non-transparent"
2466 case BM_PIXEL_FORMAT_D3D:
2469 *((ushort*)pixel) = (ushort)Gr_current_green->mask;
2473 // nice 1555 texture format
2474 case BM_PIXEL_FORMAT_ARGB_D3D:
2475 // if we're writing to normal texture format
2476 if(Gr_current_red == &Gr_t_red){
2478 *((ushort*)pixel) &= ~(Gr_current_alpha->mask);
2480 *((ushort*)pixel) |= (ushort)(Gr_current_alpha->mask);
2482 *((ushort*)pixel) = 0;
2485 // otherwise if we're writing to screen format, still do it the green mask way
2489 *((uint*)pixel) = (uint)Gr_current_green->mask;
2491 *((ushort*)pixel) = (ushort)Gr_current_green->mask;
2500 // get the rgba components of a pixel, any of the parameters can be NULL
2501 void bm_get_components(ubyte *pixel, ubyte *r, ubyte *g, ubyte *b, ubyte *a)
2505 // pick a byte size - 32 bits only if 32 bit mode d3d and screen format
2506 if(D3D_32bit && (Gr_current_red == &Gr_red)){
2512 *r = ubyte(( (*((uint*)pixel) & Gr_current_red->mask)>>Gr_current_red->shift)*Gr_current_red->scale);
2514 *r = ubyte(( ( ((ushort*)pixel)[0] & Gr_current_red->mask)>>Gr_current_red->shift)*Gr_current_red->scale);
2519 *g = ubyte(( (*((uint*)pixel) & Gr_current_green->mask) >>Gr_current_green->shift)*Gr_current_green->scale);
2521 *g = ubyte(( ( ((ushort*)pixel)[0] & Gr_current_green->mask) >>Gr_current_green->shift)*Gr_current_green->scale);
2526 *b = ubyte(( (*((uint*)pixel) & Gr_current_blue->mask)>>Gr_current_blue->shift)*Gr_current_blue->scale);
2528 *b = ubyte(( ( ((ushort*)pixel)[0] & Gr_current_blue->mask)>>Gr_current_blue->shift)*Gr_current_blue->scale);
2532 // get the alpha value
2536 switch(Bm_pixel_format){
2537 // glide has an alpha channel so we have to unset ir or set it each time
2538 case BM_PIXEL_FORMAT_ARGB:
2540 if(!( ((ushort*)pixel)[0] & 0x8000)){
2545 // this d3d format has no alpha channel, so only make it "transparent", never make it "non-transparent"
2546 case BM_PIXEL_FORMAT_D3D:
2548 if( *((ushort*)pixel) == Gr_current_green->mask){
2553 // nice 1555 texture format mode
2554 case BM_PIXEL_FORMAT_ARGB_D3D:
2555 // if we're writing to a normal texture, use nice alpha bits
2556 if(Gr_current_red == &Gr_t_red){
2559 if(!(*((ushort*)pixel) & Gr_current_alpha->mask)){
2563 // otherwise do it as normal
2566 if(*((int*)pixel) == Gr_current_green->mask){
2570 if(*((ushort*)pixel) == Gr_current_green->mask){
2580 void bm_get_filename(int bitmapnum, char *filename)
2582 int n = bitmapnum % MAX_BITMAPS;
2585 strcpy(filename, bm_bitmaps[n].filename);
2588 // given a bitmap and a section, return the size (w, h)
2589 void bm_get_section_size(int bitmapnum, int sx, int sy, int *w, int *h)
2592 bitmap_section_info *sections;
2595 Assert((w != NULL) && (h != NULL));
2596 if((w == NULL) || (h == NULL)){
2601 bm_get_info(bitmapnum, &bw, &bh, NULL, NULL, NULL, §ions);
2603 // determine the width and height of this section
2604 *w = sx < (sections->num_x - 1) ? MAX_BMAP_SECTION_SIZE : bw - sections->sx[sx];
2605 *h = sy < (sections->num_y - 1) ? MAX_BMAP_SECTION_SIZE : bh - sections->sy[sy];