2 * $Logfile: /Freespace2/code/Bmpman/BmpMan.cpp $
7 * Code to load and manage all bitmaps for the game
10 * Revision 1.6 2002/05/30 23:07:08 relnev
13 * Revision 1.5 2002/05/30 21:44:48 relnev
14 * implemented some missing texture stuff.
16 * enable bitmap polys for opengl.
18 * work around greenness in bitmaps.
20 * Revision 1.4 2002/05/28 17:03:29 theoddone33
21 * fs2 gets to the main game loop now
23 * Revision 1.3 2002/05/28 08:52:03 relnev
24 * implemented two assembly stubs.
26 * cleaned up a few warnings.
28 * added a little demo hackery to make it progress a little farther.
30 * Revision 1.2 2002/05/07 03:16:43 theoddone33
31 * The Great Newline Fix
33 * Revision 1.1.1.1 2002/05/03 03:28:08 root
37 * 37 9/13/99 11:26p Andsager
38 * Add debug code to check for poorly sized anis
40 * 36 9/05/99 11:19p Dave
41 * Made d3d texture cache much more safe. Fixed training scoring bug where
42 * it would backout scores without ever having applied them in the first
45 * 35 8/20/99 2:09p Dave
48 * 34 8/10/99 6:54p Dave
49 * Mad optimizations. Added paging to the nebula effect.
51 * 33 8/06/99 1:52p Dave
52 * Bumped up MAX_BITMAPS for the demo.
54 * 32 8/02/99 1:49p Dave
55 * Fixed low-mem animation problem. Whee!
57 * 31 7/16/99 1:49p Dave
58 * 8 bit aabitmaps. yay.
60 * 30 7/13/99 1:15p Dave
61 * 32 bit support. Whee!
63 * 29 6/29/99 10:35a Dave
64 * Interface polygon bitmaps! Whee!
66 * 28 6/16/99 4:06p Dave
67 * New pilot info popup. Added new draw-bitmap-as-poly function.
69 * 27 5/05/99 9:02p Dave
70 * Fixed D3D aabitmap rendering. Spiffed up nebula effect a bit (added
71 * rotations, tweaked values, made bitmap selection more random). Fixed
72 * D3D beam weapon clipping problem. Added D3d frame dumping.
74 * 26 4/27/99 12:16a Dave
75 * Fixed beam weapon muzzle glow problem. Fixed premature timeout on the
76 * pxo server list screen. Fixed secondary firing for hosts on a
77 * standalone. Fixed wacky multiplayer weapon "shuddering" problem.
79 * 25 4/09/99 2:21p Dave
80 * Multiplayer beta stuff. CD checking.
82 * 24 4/08/99 10:42a Johnson
83 * Don't try to swizzle a texture to transparent in Fred.
85 * 23 3/31/99 8:24p Dave
86 * Beefed up all kinds of stuff, incluging beam weapons, nebula effects
87 * and background nebulae. Added per-ship non-dimming pixel colors.
89 * 22 3/20/99 3:46p Dave
90 * Added support for model-based background nebulae. Added 3 new
93 * 21 2/11/99 3:08p Dave
94 * PXO refresh button. Very preliminary squad war support.
96 * 20 2/08/99 5:07p Dave
97 * FS2 chat server support. FS2 specific validated missions.
99 * 19 2/05/99 12:52p Dave
100 * Fixed Glide nondarkening textures.
102 * 18 2/04/99 6:29p Dave
103 * First full working rev of FS2 PXO support. Fixed Glide lighting
106 * 17 2/03/99 11:44a Dave
107 * Fixed d3d transparent textures.
109 * 16 1/15/99 11:29a Neilk
110 * Fixed D3D screen/texture pixel formatting problem.
112 * 15 1/14/99 12:48a Dave
113 * Todo list bug fixes. Made a pass at putting briefing icons back into
114 * FRED. Sort of works :(
116 * 14 1/12/99 12:53a Dave
117 * More work on beam weapons - made collision detection very efficient -
118 * collide against all object types properly - made 3 movement types
119 * smooth. Put in test code to check for possible non-darkening pixels on
122 * 13 1/08/99 2:08p Dave
123 * Fixed software rendering for pofview. Super early support for AWACS and
126 * 12 1/06/99 2:24p Dave
127 * Stubs and release build fixes.
129 * 11 12/14/98 4:01p Dave
130 * Got multi_data stuff working well with new xfer stuff.
132 * 10 12/06/98 2:36p Dave
133 * Drastically improved nebula fogging.
135 * 9 12/01/98 5:53p Dave
136 * Simplified the way pixel data is swizzled. Fixed tga bitmaps to work
137 * properly in D3D and Glide.
139 * 8 12/01/98 4:46p Dave
140 * Put in targa bitmap support (16 bit).
142 * 7 12/01/98 10:32a Johnson
143 * Fixed direct3d font problems. Fixed sun bitmap problem. Fixed direct3d
146 * 6 12/01/98 8:06a Dave
147 * Temporary checkin to fix some texture transparency problems in d3d.
149 * 5 11/30/98 5:31p Dave
150 * Fixed up Fred support for software mode.
152 * 4 11/30/98 1:07p Dave
153 * 16 bit conversion, first run.
155 * 3 10/22/98 6:14p Dave
156 * Optimized some #includes in Anim folder. Put in the beginnings of
157 * parse/localization support for externalized strings and tstrings.tbl
159 * 2 10/07/98 10:52a Dave
162 * 1 10/07/98 10:48a Dave
164 * 106 5/23/98 4:43p John
165 * Took out debugging sleep
167 * 105 5/23/98 4:14p John
168 * Added code to preload textures to video card for AGP. Added in code
169 * to page in some bitmaps that weren't getting paged in at level start.
171 * 104 5/20/98 12:59p John
172 * Turned optimizations on for debug builds. Also turning on automatic
173 * function inlining. Turned off the unreachable code warning.
175 * 103 5/20/98 10:20a Hoffoss
176 * Fixed warning in the code.
178 * 102 5/19/98 3:45p John
179 * fixed bug causing lowmem to drop half of the frames. Also halved fps
182 * 101 5/14/98 3:38p John
183 * Added in more non-darkening colors for Adam. Had to fix some bugs in
184 * BmpMan and Ani stuff to get this to work.
186 * 100 4/22/98 9:13p John
187 * Added code to replace frames of animations in vram if so desired.
189 * 99 4/17/98 6:56a John
190 * Fixed bug where RLE'd user bitmaps caused data to not get freed.
191 * (Turned off RLE for use bitmaps). Made lossy animations reduce
192 * resolution by a factor of 2 in low memory conditions.
194 * 98 4/16/98 6:31p Hoffoss
195 * Added function to get filename of a bitmap handle, which we don't have
198 * 97 4/01/98 9:27p John
199 * Fixed debug info in bmpman.
201 * 96 4/01/98 5:34p John
202 * Made only the used POFs page in for a level. Reduced some interp
203 * arrays. Made custom detail level work differently.
205 * 95 3/31/98 9:55a Lawrance
206 * JOHN: get xparency working for user bitmaps
208 * 94 3/30/98 4:02p John
209 * Made machines with < 32 MB of RAM use every other frame of certain
210 * bitmaps. Put in code to keep track of how much RAM we've malloc'd.
212 * 93 3/29/98 4:05p John
213 * New paging code that loads everything necessary at level startup.
215 * 92 3/27/98 11:20a John
216 * commented back in some debug code.
218 * 91 3/26/98 5:21p John
219 * Added new code to preload all bitmaps at the start of a level.
220 * Commented it out, though.
222 * 90 3/26/98 4:56p Jasen
223 * AL: Allow find_block_of() to allocate a series of bitmaps from index 0
225 * 89 3/26/98 10:21a John
226 * Made no palette-mapped bitmaps use 0,255,0 as transparent.
228 * 88 3/24/98 5:39p John
229 * Added debug code to show bitmap fragmentation. Made user bitmaps
230 * allocate from top of array.
232 * 87 3/22/98 3:28p John
233 * Added in stippled alpha for lower details. Made medium detail use
236 * 86 3/11/98 1:55p John
239 * 85 3/06/98 4:09p John
240 * Changed the way we do bitmap RLE'ing... this speds up HUD bitmaps by
243 * 84 3/02/98 6:00p John
244 * Moved MAX_BITMAPS into BmpMan.h so the stuff in the graphics code that
245 * is dependent on it won't break if it changes. Made ModelCache slots
246 * be equal to MAX_OBJECTS which is what it is.
248 * 83 3/02/98 9:51a John
249 * Added code to print the number of bitmap slots in use between levels.
251 * 82 2/16/98 3:54p John
252 * Changed a bunch of mprintfs to catagorize to BmpInfo
254 * 81 2/13/98 5:00p John
255 * Made user bitmaps not get wrote to level cache file.
257 * 80 2/06/98 8:25p John
258 * Added code for new bitmaps since last frame
260 * 79 2/06/98 8:10p John
261 * Added code to show amout of texture usage each frame.
263 * 78 2/05/98 9:21p John
264 * Some new Direct3D code. Added code to monitor a ton of stuff in the
267 * 77 1/29/98 11:48a John
268 * Added new counter measure rendering as model code. Made weapons be
269 * able to have impact explosion.
271 * 76 1/28/98 6:19p Dave
272 * Reduced standalone memory usage ~8 megs. Put in support for handling
273 * multiplayer submenu handling for endgame, etc.
275 * 75 1/17/98 12:55p John
276 * Fixed bug that I just created that loaded all ani frames.
278 * 74 1/17/98 12:33p John
279 * Made the game_busy function be called a constant amount of times per
280 * level load, making the bar prediction easier.
282 * 73 1/17/98 12:14p John
283 * Added loading... bar to freespace.
285 * 72 1/11/98 3:20p John
286 * Made so that if no .clt exists, it will load all the bitmaps
288 * 71 1/11/98 3:06p John
289 * Made bitmap loading stop when cache gets full.
291 * 70 1/11/98 2:45p John
292 * Changed .lst to .clt
294 * 69 1/11/98 2:14p John
295 * Changed a lot of stuff that had to do with bitmap loading. Made cfile
296 * not do callbacks, I put that in global code. Made only bitmaps that
297 * need to load for a level load.
299 * 67 1/09/98 4:07p John
300 * Made all bitmap functions return a bitmap "Handle" not number. This
301 * helps to find bm_release errors.
303 * 66 1/09/98 1:38p John
304 * Fixed some bugs from previous comment
306 * 65 1/09/98 1:32p John
307 * Added some debugging code to track down a weird error. Namely I fill
308 * in the be structure with bogus values when someone frees it.
310 * 64 12/28/97 2:00p John
311 * put in another assert checking for invalid lock/unlock sequencing
313 * 63 12/24/97 2:02p John
314 * Changed palette translation to be a little faster for unoptimized
317 * 62 12/18/97 8:59p Dave
318 * Finished putting in basic support for weapon select and ship select in
321 * 61 12/15/97 10:27p John
322 * fixed bug where 2 bm_loads of same file both open the header.
324 * 60 12/08/97 2:17p John
325 * fixed bug with bmpman and cf_callback.
326 * made cf_callback in Freespace set small font back when done.
328 * 59 12/03/97 5:01p Lawrance
329 * bump up MAX_BITMAPS to 1500. People have reached 1000 bitmaps while
330 * playing multiple missions.
332 * 58 12/02/97 3:59p John
333 * Added first rev of thruster glow, along with variable levels of
334 * translucency, which retquired some restructing of palman.
336 * 57 11/30/97 3:57p John
337 * Made fixed 32-bpp translucency. Made BmpMan always map translucent
338 * color into 255 even if you aren't supposed to remap and make it's
341 * 56 10/05/97 10:39a John
342 * fixed bug with palette on unmapped bitmaps. Made unmapped bitmaps get
343 * marked with xparent.
345 * 55 9/23/97 11:46a Lawrance
346 * fixed bug with rle'ing with spans get big
348 * 54 9/23/97 10:45a John
349 * made so you can tell bitblt code to rle a bitmap by passing flag to
352 * 53 9/19/97 10:18a John
353 * fixed bug with aa animations being re-rle'd every
357 * 52 9/09/97 10:08a Sandeep
358 * Fixed Compiler Level 4 warnings
360 * 51 9/08/97 2:02p John
361 * fixed typo in nprintf
363 * 50 9/08/97 1:56p John
364 * fixed some memory housekeeping bugs
366 * 49 9/03/97 4:19p John
367 * changed bmpman to only accept ani and pcx's. made passing .pcx or .ani
368 * to bm_load functions not needed. Made bmpman keep track of palettes
369 * for bitmaps not mapped into game palettes.
371 * 48 8/29/97 7:35p Lawrance
372 * check if .ani animation is already loaded in bm_load_animation()
374 * 47 8/25/97 11:14p Lawrance
375 * added support for .ani files in bm_load_animation()
377 * 46 8/17/97 2:42p Lawrance
378 * only flag PCX files as xparent if they have xparent pixels in them
380 * 45 8/15/97 9:57a Lawrance
381 * support multiple xparent entries for PCX files
383 * 44 8/05/97 10:18a Lawrance
384 * my_rand() being used temporarily instead of rand()
386 * 43 8/01/97 4:30p John
388 * 42 7/29/97 8:34a John
391 * 41 7/18/97 3:27p Lawrance
392 * have pcx files use (0,255,0) for transparency
394 * 40 7/16/97 3:07p John
396 * 39 7/10/97 8:34a John
397 * Added code to read TGA files.
399 * 38 6/20/97 1:50p John
400 * added rle code to bmpman. made gr8_aabitmap use it.
402 * 37 6/18/97 12:07p John
403 * fixed some color bugs
405 * 36 6/17/97 8:58p Lawrance
406 * fixed bug with not nulling bm.data with USER bitmaps
408 * 35 6/12/97 2:44a Lawrance
409 * changed bm_unlock() to take an index into bm_bitmaps(). Added
410 * ref_count to bitmap_entry struct
412 * 34 5/20/97 10:36a John
413 * Fixed problem with user bitmaps and direct3d caching.
415 * 33 5/14/97 1:59p John
416 * fixed a palette bug with vclips.
418 * 32 3/24/97 4:43p John
419 * speed up chunked collision detection by only checking cubes the vector
422 * 31 3/24/97 3:25p John
423 * Cleaned up and restructured model_collide code and fvi code. In fvi
424 * made code that finds uvs work.. Added bm_get_pixel to BmpMan.
426 * 30 3/11/97 2:49p Allender
428 * 29 2/18/97 9:43a Lawrance
429 * added Assert() in bm_release
431 * 28 1/22/97 4:29p John
432 * maybe fixed bug with code that counts total bytes of texture ram used.
434 * 27 1/22/97 4:19p Lawrance
435 * added flags to bm_create to allow transparency
437 * 26 1/21/97 5:24p John
438 * fixed another bug with bm_release.
440 * 25 1/21/97 5:12p John
441 * fixed bug with case
443 * 24 1/21/97 5:02p John
444 * Added code for 8bpp user bitmaps.
446 * 23 1/09/97 11:35a John
447 * Added some 2d functions to get/put screen images.
449 * 22 11/26/96 6:50p John
450 * Added some more hicolor primitives. Made windowed mode run as current
451 * bpp, if bpp is 8,16,or 32.
453 * 21 11/26/96 9:44a Allender
454 * Allow for use of different bitmap palettes
456 * 20 11/25/96 10:36a Allender
457 * started working on 32 bpp support. Added 15 bpp.
459 * 19 11/18/96 1:51p Allender
460 * fix up manager code to reread bitmaps if needed in newer bit depth
462 * 18 11/15/96 4:24p Allender
463 * more bmpman stuff -- only free bitmap slots when releasing copied
464 * texture -- otherwise, only release the data for the bitmap
466 * 17 11/15/96 3:33p Allender
467 * added support for converting to 16 bit textures when requested with
468 * bm_load. Added some other management functions
470 * 16 11/13/96 4:51p Allender
471 * started overhaul of bitmap manager. bm_load no longer actually load
472 * the data, only the info for the bitmap. Locking the bitmap now forces
473 * load when no data present (or will if bpp changes)
480 #include "pcxutils.h"
484 #include "animplay.h"
486 #include "systemvars.h"
488 #include "packunpack.h"
490 #include "grinternal.h"
491 #include "tgautils.h"
495 #define BMPMAN_NDEBUG
498 // keep this defined to use per-ship nondarkening pixels
499 #define BMPMAN_SPECIAL_NONDARK
503 #define BM_TYPE_NONE 0
504 #define BM_TYPE_PCX 1
505 #define BM_TYPE_USER 2
506 #define BM_TYPE_ANI 3 // in-house ANI format
507 #define BM_TYPE_TGA 4 // 16 bit targa
509 typedef union bm_extra_info {
511 // Stuff needed for animations
512 int first_frame; // used for animations -- points to index of first frame
513 ubyte num_frames; // used for animation -- number of frames in the animation
514 ubyte fps; // used for animation -- frames per second
517 // Stuff needed for user bitmaps
518 void *data; // For user bitmaps, this is where the data comes from
519 ubyte bpp; // For user bitmaps, this is what format the data is
520 ubyte flags; // Flags passed to bm_create
524 typedef struct bitmap_entry {
526 char filename[MAX_FILENAME_LEN]; // filename for this bitmap
528 uint signature; // a unique signature identifying the data
529 uint palette_checksum; // checksum used to be sure bitmap is in current palette
530 int handle; // Handle = id*MAX_BITMAPS + bitmapnum
531 int last_used; // When this bitmap was last used
533 ubyte type; // PCX, USER, ANI, etc
534 signed char ref_count; // Number of locks on bitmap. Can't unload unless ref_count is 0.
536 // Stuff to keep track of usage
537 ubyte preloaded; // If set, then this was loaded from the lst file
538 ubyte used_flags; // What flags it was accessed thru
543 // Data for animations and user bitmaps
548 ubyte used_last_frame; // If set, then it was used last frame
549 ubyte used_this_frame; // If set, then it was used this frame
550 int data_size; // How much data this bitmap uses
551 int used_count; // How many times it was accessed
555 uint Bm_next_signature = 0x1234;
557 bitmap_entry bm_bitmaps[MAX_BITMAPS];
559 int bm_texture_ram = 0;
561 // Bm_max_ram - How much RAM bmpman can use for textures.
562 // Set to <1 to make it use all it wants.
563 int Bm_max_ram = 0; //16*1024*1024; // Only use 16 MB for textures
565 int bm_next_handle = 1;
569 static int Bm_low_mem = 0;
571 // 16 bit pixel formats
572 int Bm_pixel_format = BM_PIXEL_FORMAT_ARGB;
574 // get and put functions for 16 bit pixels - neat bit slinging, huh?
575 #define BM_SET_R_ARGB(p, r) { p[1] &= ~(0x7c); p[1] |= ((r & 0x1f) << 2); }
576 #define BM_SET_G_ARGB(p, g) { p[0] &= ~(0xe0); p[1] &= ~(0x03); p[0] |= ((g & 0x07) << 5); p[1] |= ((g & 0x18) >> 3); }
577 #define BM_SET_B_ARGB(p, b) { p[0] &= ~(0x1f); p[0] |= b & 0x1f; }
578 #define BM_SET_A_ARGB(p, a) { p[1] &= ~(0x80); p[1] |= ((a & 0x01) << 7); }
580 #define BM_SET_R_D3D(p, r) { *p |= (ushort)(( (int)r / Gr_current_red->scale ) << Gr_current_red->shift); }
581 #define BM_SET_G_D3D(p, g) { *p |= (ushort)(( (int)g / Gr_current_green->scale ) << Gr_current_green->shift); }
582 #define BM_SET_B_D3D(p, b) { *p |= (ushort)(( (int)b / Gr_current_blue->scale ) << Gr_current_blue->shift); }
583 #define BM_SET_A_D3D(p, a) { if(a == 0){ *p = (ushort)Gr_current_green->mask; } }
585 #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(); } }
586 #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(); } }
587 #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(); } }
588 #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(); } }
590 // ===========================================
591 // Mode: 0 = High memory
592 // 1 = Low memory ( every other frame of ani's)
593 // 2 = Debug low memory ( only use first frame of each ani )
594 void bm_set_low_mem( int mode )
596 Assert( (mode >= 0) && (mode<=2 ));
601 static int bm_get_next_handle()
603 int n = bm_next_handle;
605 if ( bm_next_handle > 30000 ) {
611 // Frees a bitmaps data if it should, and
612 // Returns true if bitmap n can free it's data.
613 static void bm_free_data(int n)
618 Assert( n >= 0 && n < MAX_BITMAPS );
623 // If there isn't a bitmap in this structure, don't
624 // do anything but clear out the bitmap info
625 if ( be->type==BM_TYPE_NONE)
628 // If this bitmap doesn't have any data to free, skip
629 // the freeing it part of this.
630 if ( bmp->data == 0 )
633 // Don't free up memory for user defined bitmaps, since
634 // BmpMan isn't the one in charge of allocating/deallocing them.
635 if ( ( be->type==BM_TYPE_USER ) )
638 // Free up the data now!
640 // mprintf(( "Bitmap %d freed %d bytes\n", n, bm_bitmaps[n].data_size ));
642 bm_texture_ram -= be->data_size;
644 free((void *)bmp->data);
648 // Clear out & reset the bitmap data structure
656 be->signature = Bm_next_signature++;
662 int Bm_ram_freed = 0;
664 static void bm_free_some_ram( int n, int size )
667 if ( Bm_max_ram < 1 ) return;
668 if ( bm_texture_ram + size < Bm_max_ram ) return;
670 int current_time = timer_get_milliseconds();
672 while( bm_texture_ram + size > Bm_max_ram ) {
675 // Need to free some RAM up!
676 int i, oldest=-1, best_val=0;
677 for (i = 0; i < MAX_BITMAPS; i++) {
678 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) ) {
679 int page_func = ( current_time-bm_bitmaps[i].last_used)*bm_bitmaps[i].data_size;
680 if ( (oldest==-1) || (page_func>best_val) ) {
682 best_val = page_func;
688 //mprintf(( "Freeing bitmap '%s'\n", bm_bitmaps[oldest].filename ));
689 for (i=0; i<bm_bitmaps[oldest].num_frames; i++ ) {
690 bm_free_data(bm_bitmaps[oldest].first_frame+i);
693 //mprintf(( "Couldn't free enough! %d\n", bm_texture_ram ));
702 static void *bm_malloc( int n, int size )
704 Assert( n >= 0 && n < MAX_BITMAPS );
705 // mprintf(( "Bitmap %d allocated %d bytes\n", n, size ));
707 bm_free_some_ram( n, size );
708 Assert( bm_bitmaps[n].data_size == 0 );
709 bm_bitmaps[n].data_size += size;
710 bm_texture_ram += size;
719 for (i=0; i<MAX_BITMAPS; i++ ) {
720 bm_free_data(i); // clears flags, bbp, data, etc
731 mprintf(( "Size of bitmap info = %d KB\n", sizeof( bm_bitmaps )/1024 ));
732 mprintf(( "Size of bitmap extra info = %d bytes\n", sizeof( bm_extra_info ) ));
739 for (i=0; i<MAX_BITMAPS; i++ ) {
740 bm_bitmaps[i].filename[0] = '\0';
741 bm_bitmaps[i].type = BM_TYPE_NONE;
742 bm_bitmaps[i].info.user.data = NULL;
743 bm_bitmaps[i].bm.data = 0;
744 bm_bitmaps[i].bm.palette = NULL;
746 bm_bitmaps[i].data_size = 0;
747 bm_bitmaps[i].used_count = 0;
748 bm_bitmaps[i].used_last_frame = 0;
749 bm_bitmaps[i].used_this_frame = 0;
751 bm_free_data(i); // clears flags, bbp, data, etc
759 // Returns number of bytes of bitmaps locked this frame
760 // ntotal = number of bytes of bitmaps locked this frame
761 // nnew = number of bytes of bitmaps locked this frame that weren't locked last frame
762 void bm_get_frame_usage(int *ntotal, int *nnew)
769 for (i=0; i<MAX_BITMAPS; i++ ) {
770 if ( (bm_bitmaps[i].type != BM_TYPE_NONE) && (bm_bitmaps[i].used_this_frame)) {
771 if ( !bm_bitmaps[i].used_last_frame ) {
772 *nnew += bm_bitmaps[i].bm.w*bm_bitmaps[i].bm.h;
774 *ntotal += bm_bitmaps[i].bm.w*bm_bitmaps[i].bm.h;
776 bm_bitmaps[i].used_last_frame = bm_bitmaps[i].used_this_frame;
777 bm_bitmaps[i].used_this_frame = 0;
782 void bm_get_frame_usage(int *ntotal, int *nnew)
787 // given a loaded bitmap with valid info, calculate sections
788 void bm_calc_sections(bitmap *be)
792 // number of x and y sections
793 be->sections.num_x = (ubyte)(be->w / MAX_BMAP_SECTION_SIZE);
794 if((be->sections.num_x * MAX_BMAP_SECTION_SIZE) < be->w){
795 be->sections.num_x++;
797 be->sections.num_y = (ubyte)(be->h / MAX_BMAP_SECTION_SIZE);
798 if((be->sections.num_y * MAX_BMAP_SECTION_SIZE) < be->h){
799 be->sections.num_y++;
802 // calculate the offsets for each section
803 for(idx=0; idx<be->sections.num_x; idx++){
804 be->sections.sx[idx] = (ushort)(MAX_BMAP_SECTION_SIZE * idx);
806 for(idx=0; idx<be->sections.num_y; idx++){
807 be->sections.sy[idx] = (ushort)(MAX_BMAP_SECTION_SIZE * idx);
811 // Creates a bitmap that exists in RAM somewhere, instead
812 // of coming from a disk file. You pass in a pointer to a
813 // block of 32 (or 8)-bit-per-pixel data. Right now, the only
814 // bpp you can pass in is 32 or 8. On success, it returns the
815 // bitmap number. You cannot free that RAM until bm_release
816 // is called on that bitmap.
817 int bm_create( int bpp, int w, int h, void * data, int flags )
819 int i, n, first_slot = MAX_BITMAPS;
821 // Assert((bpp==32)||(bpp==8));
823 Assert(flags & BMP_AABITMAP);
828 if ( !bm_inited ) bm_init();
830 for (i = MAX_BITMAPS-1; i >= 0; i-- ) {
831 if ( bm_bitmaps[i].type == BM_TYPE_NONE ) {
840 // Out of bitmap slots
841 if ( n == -1 ) return -1;
843 memset( &bm_bitmaps[n], 0, sizeof(bitmap_entry) );
845 sprintf( bm_bitmaps[n].filename, "TMP%dx%d", w, h );
846 bm_bitmaps[n].type = BM_TYPE_USER;
847 bm_bitmaps[n].palette_checksum = 0;
849 bm_bitmaps[n].bm.w = short(w);
850 bm_bitmaps[n].bm.h = short(h);
851 bm_bitmaps[n].bm.rowsize = short(w);
852 bm_bitmaps[n].bm.bpp = (unsigned char)(bpp);
853 bm_bitmaps[n].bm.flags = 0;
854 bm_bitmaps[n].bm.flags |= flags;
855 bm_bitmaps[n].bm.data = 0;
856 bm_bitmaps[n].bm.palette = NULL;
858 bm_bitmaps[n].info.user.bpp = ubyte(bpp);
859 bm_bitmaps[n].info.user.data = data;
860 bm_bitmaps[n].info.user.flags = ubyte(flags);
862 bm_bitmaps[n].signature = Bm_next_signature++;
864 bm_bitmaps[n].handle = bm_get_next_handle()*MAX_BITMAPS + n;
865 bm_bitmaps[n].last_used = -1;
867 // fill in section info
868 bm_calc_sections(&bm_bitmaps[n].bm);
870 return bm_bitmaps[n].handle;
873 // sub helper function. Given a raw filename and an extension, try and find the bitmap
874 // returns -1 if it could not be found
875 // 0 if it was found as a file
876 // 1 if it already exists, fills in handle
877 int Bm_ignore_duplicates = 0;
878 int bm_load_sub(char *real_filename, char *ext, int *handle)
881 char filename[MAX_FILENAME_LEN] = "";
883 strcpy( filename, real_filename );
884 strcat( filename, ext );
885 for (i=0; i<(int)strlen(filename); i++ ){
886 filename[i] = char(tolower(filename[i]));
889 // try to find given filename to see if it has been loaded before
890 if(!Bm_ignore_duplicates){
891 for (i = 0; i < MAX_BITMAPS; i++) {
892 if ( (bm_bitmaps[i].type != BM_TYPE_NONE) && !stricmp(filename, bm_bitmaps[i].filename) ) {
893 nprintf (("BmpMan", "Found bitmap %s -- number %d\n", filename, i));
894 *handle = bm_bitmaps[i].handle;
900 // try and find the file
902 CFILE *test = cfopen(filename, "rb");
909 // could not be found
913 // This loads a bitmap so we can draw with it later.
914 // It returns a negative number if it couldn't load
915 // the bitmap. On success, it returns the bitmap
916 // number. Function doesn't acutally load the data, only
917 // width, height, and possibly flags.
918 int bm_load( char * real_filename )
920 int i, n, first_slot = MAX_BITMAPS;
922 char filename[MAX_FILENAME_LEN];
927 if ( !bm_inited ) bm_init();
929 // nice little trick for keeping standalone memory usage way low - always return a bogus bitmap
930 if(Game_mode & GM_STANDALONE_SERVER){
931 strcpy(filename,"test128");
934 // make sure no one passed an extension
935 strcpy( filename, real_filename );
936 char *p = strchr( filename, '.' );
938 mprintf(( "Someone passed an extension to bm_load for file '%s'\n", real_filename ));
943 // try and find the pcx file
944 switch(bm_load_sub(filename, ".pcx", &handle)){
952 strcat(filename, ".pcx");
955 // found as pre-existing
962 // try and find the tga file
963 switch(bm_load_sub(filename, ".tga", &handle)){
971 strcat(filename, ".tga");
975 // found as pre-existing
983 int tga_error=targa_read_header( filename, &w, &h, &bpp, NULL );
984 if ( tga_error != TARGA_ERROR_NONE ) {
985 mprintf(( "Couldn't open '%s'\n", filename ));
991 int pcx_error=pcx_read_header( filename, &w, &h, NULL );
992 if ( pcx_error != PCX_ERROR_NONE ) {
993 mprintf(( "Couldn't open '%s'\n", filename ));
998 // Error( LOCATION, "Unknown bitmap type %s\n", filename );
1000 // Find an open slot
1001 for (i = 0; i < MAX_BITMAPS; i++) {
1002 if ( (bm_bitmaps[i].type == BM_TYPE_NONE) && (first_slot == MAX_BITMAPS) ){
1008 Assert( n < MAX_BITMAPS );
1010 if ( n == MAX_BITMAPS ) return -1;
1012 // ensure fields are cleared out from previous bitmap
1013 // Assert(bm_bitmaps[n].bm.data == 0);
1014 // Assert(bm_bitmaps[n].bm.palette == NULL);
1015 // Assert(bm_bitmaps[n].ref_count == 0 );
1016 // Assert(bm_bitmaps[n].user_data == NULL);
1017 memset( &bm_bitmaps[n], 0, sizeof(bitmap_entry) );
1019 // Mark the slot as filled, because cf_read might load a new bitmap
1021 bm_bitmaps[n].type = tga ? (ubyte)BM_TYPE_TGA : (ubyte)BM_TYPE_PCX;
1022 bm_bitmaps[n].signature = Bm_next_signature++;
1023 Assert ( strlen(filename) < MAX_FILENAME_LEN );
1024 strncpy(bm_bitmaps[n].filename, filename, MAX_FILENAME_LEN-1 );
1025 bm_bitmaps[n].bm.w = short(w);
1026 bm_bitmaps[n].bm.rowsize = short(w);
1027 bm_bitmaps[n].bm.h = short(h);
1028 bm_bitmaps[n].bm.bpp = 0;
1029 bm_bitmaps[n].bm.flags = 0;
1030 bm_bitmaps[n].bm.data = 0;
1031 bm_bitmaps[n].bm.palette = NULL;
1033 bm_bitmaps[n].palette_checksum = 0;
1034 bm_bitmaps[n].handle = bm_get_next_handle()*MAX_BITMAPS + n;
1035 bm_bitmaps[n].last_used = -1;
1037 // fill in section info
1038 bm_calc_sections(&bm_bitmaps[n].bm);
1040 return bm_bitmaps[n].handle;
1043 // special load function. basically allows you to load a bitmap which already exists (by filename).
1044 // this is useful because in some cases we need to have a bitmap which is locked in screen format
1045 // _and_ texture format, such as pilot pics and squad logos
1046 int bm_load_duplicate(char *filename)
1050 // ignore duplicates
1051 Bm_ignore_duplicates = 1;
1054 ret = bm_load(filename);
1057 Bm_ignore_duplicates = 0;
1062 DCF(bm_frag,"Shows BmpMan fragmentation")
1072 for (int i=0; i<MAX_BITMAPS; i++ ) {
1073 switch( bm_bitmaps[i].type ) {
1075 gr_set_color(128,128,128);
1078 gr_set_color(255,0,0);
1081 gr_set_color(0,255,0);
1084 gr_set_color(0,0,255);
1088 gr_rect( x+xs, y+ys, w, h );
1102 static int find_block_of(int n)
1108 for (i=0; i<MAX_BITMAPS; i++ ) {
1109 if ( bm_bitmaps[i].type == BM_TYPE_NONE ) {
1110 if (cnt==0) nstart = i;
1114 if ( cnt == n ) return nstart;
1117 // Error( LOCATION, "Couldn't find block of %d frames\n", n );
1121 // ------------------------------------------------------------------
1122 // bm_load_animation()
1124 // input: filename => filename of animation
1125 // nframes => OUTPUT parameter: number of frames in the animation
1126 // fps => OUTPUT/OPTIONAL parameter: intended fps for the animation
1128 // returns: bitmap number of first frame in the animation
1130 int bm_load_animation( char *real_filename, int *nframes, int *fps, int can_drop_frames)
1135 char filename[MAX_FILENAME_LEN];
1137 if ( !bm_inited ) bm_init();
1139 strcpy( filename, real_filename );
1140 char *p = strchr( filename, '.' );
1142 mprintf(( "Someone passed an extension to bm_load_animation for file '%s'\n", real_filename ));
1146 strcat( filename, ".ani" );
1148 if ( (fp = cfopen(filename, "rb")) == NULL ) {
1149 // Error(LOCATION,"Could not open filename %s in bm_load_ani()\n", filename);
1155 // for debug of ANI sizes
1156 strcpy(the_anim.name, real_filename);
1158 anim_read_header(&the_anim, fp);
1159 if ( can_drop_frames ) {
1160 if ( Bm_low_mem == 1 ) {
1162 the_anim.total_frames = ( the_anim.total_frames+1)/2;
1163 } else if ( Bm_low_mem == 2 ) {
1164 the_anim.total_frames = 1;
1169 *nframes = the_anim.total_frames;
1170 if ( fps != NULL ) {
1172 *fps = the_anim.fps / 2;
1174 *fps = the_anim.fps;
1178 // first check to see if this ani already has it's frames loaded
1179 for (i = 0; i < MAX_BITMAPS; i++) {
1180 if ( (bm_bitmaps[i].type == BM_TYPE_ANI) && !stricmp(filename, bm_bitmaps[i].filename) ) {
1185 if ( i < MAX_BITMAPS ) {
1186 // in low memory modes this can happen
1188 Assert(bm_bitmaps[i].info.ani.num_frames == *nframes);
1190 return bm_bitmaps[i].handle;
1193 n = find_block_of(*nframes);
1197 // Assert( n >= 0 );
1199 int first_handle = bm_get_next_handle();
1201 Assert ( strlen(filename) < MAX_FILENAME_LEN );
1202 for ( i = 0; i < *nframes; i++ ) {
1203 memset( &bm_bitmaps[n+i], 0, sizeof(bitmap_entry) );
1204 bm_bitmaps[n+i].info.ani.first_frame = n;
1205 bm_bitmaps[n+i].info.ani.num_frames = ubyte(the_anim.total_frames);
1206 bm_bitmaps[n+i].info.ani.fps = ubyte(the_anim.fps);
1207 bm_bitmaps[n+i].bm.w = short(the_anim.width);
1208 bm_bitmaps[n+i].bm.rowsize = short(the_anim.width);
1209 bm_bitmaps[n+i].bm.h = short(the_anim.height);
1211 bm_bitmaps[n+i].bm.w /= 2;
1212 bm_bitmaps[n+i].bm.rowsize /= 2;
1213 bm_bitmaps[n+i].bm.h /= 2;
1215 bm_bitmaps[n+i].bm.flags = 0;
1216 bm_bitmaps[n+i].bm.bpp = 0;
1217 bm_bitmaps[n+i].bm.data = 0;
1218 bm_bitmaps[n+i].bm.palette = NULL;
1219 bm_bitmaps[n+i].type = BM_TYPE_ANI;
1220 bm_bitmaps[n+i].palette_checksum = 0;
1221 bm_bitmaps[n+i].signature = Bm_next_signature++;
1222 bm_bitmaps[n+i].handle = first_handle*MAX_BITMAPS + n+i;
1223 bm_bitmaps[n+i].last_used = -1;
1225 // fill in section info
1226 bm_calc_sections(&bm_bitmaps[n+i].bm);
1229 sprintf( bm_bitmaps[n+i].filename, "%s", filename );
1231 sprintf( bm_bitmaps[n+i].filename, "%s[%d]", filename, i );
1235 return bm_bitmaps[n].handle;
1238 // Gets info. w,h,or flags,nframes or fps can be NULL if you don't care.
1239 void bm_get_info( int handle, int *w, int * h, ubyte * flags, int *nframes, int *fps, bitmap_section_info **sections )
1243 if ( !bm_inited ) return;
1245 int bitmapnum = handle % MAX_BITMAPS;
1246 Assert( bm_bitmaps[bitmapnum].handle == handle ); // INVALID BITMAP HANDLE!
1248 if ( (bm_bitmaps[bitmapnum].type == BM_TYPE_NONE) || (bm_bitmaps[bitmapnum].handle != handle) ) {
1251 if (flags) *flags = 0;
1252 if (nframes) *nframes=0;
1254 if (sections != NULL) *sections = NULL;
1258 bmp = &(bm_bitmaps[bitmapnum].bm);
1262 if (flags) *flags = bmp->flags;
1263 if ( bm_bitmaps[bitmapnum].type == BM_TYPE_ANI ) {
1265 *nframes = bm_bitmaps[bitmapnum].info.ani.num_frames;
1268 *fps= bm_bitmaps[bitmapnum].info.ani.fps;
1278 if(sections != NULL){
1279 *sections = &bm_bitmaps[bitmapnum].bm.sections;
1283 uint bm_get_signature( int handle )
1285 if ( !bm_inited ) bm_init();
1287 int bitmapnum = handle % MAX_BITMAPS;
1288 Assert( bm_bitmaps[bitmapnum].handle == handle ); // INVALID BITMAP HANDLE
1290 return bm_bitmaps[bitmapnum].signature;
1293 extern int palman_is_nondarkening(int r,int g, int b);
1294 static void bm_convert_format( int bitmapnum, bitmap *bmp, ubyte bpp, ubyte flags )
1299 if(Fred_running || Pofview_running || Is_standalone){
1300 Assert(bmp->bpp == 8);
1304 if(flags & BMP_AABITMAP){
1305 Assert(bmp->bpp == 8);
1307 Assert(bmp->bpp == 16);
1311 // maybe swizzle to be an xparent texture
1312 if(!(bmp->flags & BMP_TEX_XPARENT) && (flags & BMP_TEX_XPARENT)){
1313 for(idx=0; idx<bmp->w*bmp->h; idx++){
1315 // if the pixel is transparent
1316 if ( ((ushort*)bmp->data)[idx] == Gr_t_green.mask) {
1317 switch(Bm_pixel_format){
1318 // 1555, all we need to do is zero the whole thing
1319 case BM_PIXEL_FORMAT_ARGB:
1320 case BM_PIXEL_FORMAT_ARGB_D3D:
1321 ((ushort*)bmp->data)[idx] = 0;
1324 case BM_PIXEL_FORMAT_D3D:
1326 r /= Gr_t_red.scale;
1327 g /= Gr_t_green.scale;
1328 b /= Gr_t_blue.scale;
1329 a /= Gr_t_alpha.scale;
1330 ((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));
1338 bmp->flags |= BMP_TEX_XPARENT;
1342 // basically, map the bitmap into the current palette. used to be done for all pcx's, now just for
1343 // Fred, since its the only thing that uses the software tmapper
1344 void bm_swizzle_8bit_for_fred(bitmap_entry *be, bitmap *bmp, ubyte *data, ubyte *palette)
1346 int pcx_xparent_index = -1;
1351 for (i=0; i<256; i++ ) {
1355 if ( g == 255 && r == 0 && b == 0 ) {
1357 pcx_xparent_index = i;
1359 palxlat[i] = (ubyte)(palette_find( r, g, b ));
1362 for (i=0; i<bmp->w * bmp->h; i++ ) {
1363 ubyte c = palxlat[data[i]];
1366 be->palette_checksum = gr_palette_checksum;
1369 void bm_lock_pcx( int handle, int bitmapnum, bitmap_entry *be, bitmap *bmp, ubyte bpp, ubyte flags )
1371 ubyte *data, *palette;
1375 // Unload any existing data
1376 bm_free_data( bitmapnum );
1378 // allocate bitmap data
1380 // Assert(Fred_running || Pofview_running || Is_standalone);
1381 data = (ubyte *)bm_malloc(bitmapnum, bmp->w * bmp->h );
1382 #ifdef BMPMAN_NDEBUG
1383 Assert( be->data_size == bmp->w * bmp->h );
1386 bmp->data = (uint)data;
1388 bmp->palette = gr_palette;
1389 memset( data, 0, bmp->w * bmp->h);
1391 data = (ubyte*)bm_malloc(bitmapnum, bmp->w * bmp->h * 2);
1393 bmp->data = (uint)data;
1394 bmp->palette = NULL;
1395 memset( data, 0, bmp->w * bmp->h * 2);
1398 Assert( &be->bm == bmp );
1399 #ifdef BMPMAN_NDEBUG
1400 Assert( be->data_size > 0 );
1403 // some sanity checks on flags
1404 Assert(!((flags & BMP_AABITMAP) && (flags & BMP_TEX_ANY))); // no aabitmap textures
1405 Assert(!((flags & BMP_TEX_XPARENT) && (flags & BMP_TEX_NONDARK))); // can't be a transparent texture and a nondarkening texture
1406 Assert(!((flags & BMP_TEX_NONDARK) && (gr_screen.mode == GR_DIRECT3D))); // D3D should never be trying to get nondarkening textures
1409 int pcx_error=pcx_read_bitmap_8bpp( be->filename, data, palette );
1410 if ( pcx_error != PCX_ERROR_NONE ) {
1411 // Error( LOCATION, "Couldn't open '%s'\n", be->filename );
1412 //Error( LOCATION, "Couldn't open '%s'\n", filename );
1416 // now swizzle the thing into the proper format
1417 if(Fred_running || Pofview_running){
1418 bm_swizzle_8bit_for_fred(be, bmp, data, palette);
1424 if(flags & BMP_AABITMAP){
1425 pcx_error = pcx_read_bitmap_16bpp_aabitmap( be->filename, data );
1426 } else if(flags & BMP_TEX_NONDARK){
1427 pcx_error = pcx_read_bitmap_16bpp_nondark( be->filename, data );
1429 pcx_error = pcx_read_bitmap_16bpp( be->filename, data );
1431 if ( pcx_error != PCX_ERROR_NONE ) {
1432 // Error( LOCATION, "Couldn't open '%s'\n", be->filename );
1433 //Error( LOCATION, "Couldn't open '%s'\n", filename );
1438 #ifdef BMPMAN_NDEBUG
1439 Assert( be->data_size > 0 );
1443 bm_convert_format( bitmapnum, bmp, bpp, flags );
1446 void bm_lock_ani( int handle, int bitmapnum, bitmap_entry *be, bitmap *bmp, ubyte bpp, ubyte flags )
1449 anim_instance *the_anim_instance;
1453 int first_frame, nframes;
1455 first_frame = be->info.ani.first_frame;
1456 nframes = bm_bitmaps[first_frame].info.ani.num_frames;
1458 if ( (the_anim = anim_load(bm_bitmaps[first_frame].filename)) == NULL ) {
1459 // Error(LOCATION, "Error opening %s in bm_lock\n", be->filename);
1462 if ( (the_anim_instance = init_anim_instance(the_anim, bpp)) == NULL ) {
1463 // Error(LOCATION, "Error opening %s in bm_lock\n", be->filename);
1464 anim_free(the_anim);
1467 int can_drop_frames = 0;
1469 if ( the_anim->total_frames != bm_bitmaps[first_frame].info.ani.num_frames ) {
1470 can_drop_frames = 1;
1472 bm = &bm_bitmaps[first_frame].bm;
1474 size = bm->w * bm->h * 2;
1476 size = bm->w * bm->h;
1479 for ( i=0; i<nframes; i++ ) {
1480 be = &bm_bitmaps[first_frame+i];
1481 bm = &bm_bitmaps[first_frame+i].bm;
1483 // Unload any existing data
1484 bm_free_data( first_frame+i );
1487 // briefing editor in Fred2 uses aabitmaps (ani's) - force to 8 bit
1488 if(Fred_running || Is_standalone){
1493 bm->data = (uint)bm_malloc(first_frame + i, size);
1495 frame_data = anim_get_next_raw_buffer(the_anim_instance, 0 ,flags & BMP_AABITMAP ? 1 : 0, bm->bpp);
1497 if ( frame_data == NULL ) {
1498 // Error(LOCATION,"Fatal error locking .ani file: %s\n", be->filename);
1504 dptr = (ubyte *)bm->data;
1506 if ( (bm->w!=the_anim->width) || (bm->h!=the_anim->height) ) {
1508 // Int3(); // not ready yet - should only be ingame
1513 fix u, utmp, v, du, dv;
1517 du = ( the_anim->width*F1_0 ) / bm->w;
1518 dv = ( the_anim->height*F1_0 ) / bm->h;
1520 for (h = 0; h < bm->h; h++) {
1521 ubyte *drow = &dptr[bm->w * h];
1522 ubyte *srow = &sptr[f2i(v)*the_anim->width];
1526 for (w = 0; w < bm->w; w++) {
1527 *drow++ = srow[f2i(utmp)];
1536 fix u, utmp, v, du, dv;
1540 du = ( the_anim->width*F1_0 ) / bm->w;
1541 dv = ( the_anim->height*F1_0 ) / bm->h;
1543 for (h = 0; h < bm->h; h++) {
1544 ushort *drow = &((ushort*)dptr)[bm->w * h];
1545 ushort *srow = &((ushort*)sptr)[f2i(v)*the_anim->width];
1549 for (w = 0; w < bm->w; w++) {
1550 *drow++ = srow[f2i(utmp)];
1558 memcpy(dptr, sptr, size);
1561 bm_convert_format( first_frame+i, bm, bpp, flags );
1564 if ( (i < nframes-1) && can_drop_frames ) {
1565 frame_data = anim_get_next_raw_buffer(the_anim_instance, 0, flags & BMP_AABITMAP ? 1 : 0, bm->bpp);
1568 //mprintf(( "Checksum = %d\n", be->palette_checksum ));
1571 free_anim_instance(the_anim_instance);
1572 anim_free(the_anim);
1576 void bm_lock_user( int handle, int bitmapnum, bitmap_entry *be, bitmap *bmp, ubyte bpp, ubyte flags )
1581 // Unload any existing data
1582 bm_free_data( bitmapnum );
1584 switch( be->info.user.bpp ) {
1585 case 16: // user 16 bit bitmap
1587 bmp->flags = be->info.user.flags;
1588 bmp->data = (uint)be->info.user.data;
1591 case 8: // Going from 8 bpp to something (probably only for aabitmaps)
1593 Assert(flags & BMP_AABITMAP);
1595 bmp->data = (uint)malloc(bmp->w * bmp->h * 2);
1596 bmp->flags = be->info.user.flags;
1597 bmp->palette = NULL;
1599 // go through and map the pixels
1600 for(idx=0; idx<bmp->w * bmp->h; idx++){
1601 bit_16 = (ushort)((ubyte*)be->info.user.data)[idx];
1602 Assert(bit_16 <= 255);
1604 // stuff the final result
1605 memcpy((char*)bmp->data + (idx * 2), &bit_16, sizeof(ushort));
1608 Assert(flags & BMP_AABITMAP);
1610 bmp->flags = be->info.user.flags;
1611 bmp->data = (uint)be->info.user.data;
1615 // Error( LOCATION, "Unhandled user bitmap conversion from %d to %d bpp", be->info.user.bpp, bmp->bpp );
1618 bm_convert_format( bitmapnum, bmp, bpp, flags );
1621 void bm_lock_tga( int handle, int bitmapnum, bitmap_entry *be, bitmap *bmp, ubyte bpp, ubyte flags )
1625 // Unload any existing data
1626 bm_free_data( bitmapnum );
1628 if(Fred_running || Is_standalone){
1634 // should never try to make an aabitmap out of a targa
1635 Assert(!(flags & BMP_AABITMAP));
1637 // allocate bitmap data
1639 data = (ubyte*)bm_malloc(bitmapnum, bmp->w * bmp->h * 2);
1641 data = (ubyte*)bm_malloc(bitmapnum, bmp->w * bmp->h);
1644 bmp->data = (uint)data;
1645 bmp->palette = NULL;
1647 memset( data, 0, bmp->w * bmp->h * 2);
1649 memset( data, 0, bmp->w * bmp->h );
1652 Assert( &be->bm == bmp );
1653 #ifdef BMPMAN_NDEBUG
1654 Assert( be->data_size > 0 );
1657 int tga_error=targa_read_bitmap( be->filename, data, NULL, (bpp == 16) ? 2 : 1);
1658 if ( tga_error != TARGA_ERROR_NONE ) {
1659 // Error( LOCATION, "Couldn't open '%s'\n", be->filename );
1660 //Error( LOCATION, "Couldn't open '%s'\n", filename );
1664 #ifdef BMPMAN_NDEBUG
1665 Assert( be->data_size > 0 );
1669 bm_convert_format( bitmapnum, bmp, bpp, flags );
1672 MONITOR( NumBitmapPage );
1673 MONITOR( SizeBitmapPage );
1675 // This locks down a bitmap and returns a pointer to a bitmap
1676 // that can be accessed until you call bm_unlock. Only lock
1677 // a bitmap when you need it! This will convert it into the
1678 // appropriate format also.
1679 bitmap * bm_lock( int handle, ubyte bpp, ubyte flags )
1685 if ( !bm_inited ) bm_init();
1687 int bitmapnum = handle % MAX_BITMAPS;
1688 Assert( bm_bitmaps[bitmapnum].handle == handle ); // INVALID BITMAP HANDLE
1690 // flags &= (~BMP_RLE);
1692 // if we're on a standalone server, aways for it to lock to 8 bits
1697 // otherwise do it as normal
1699 if(Fred_running || Pofview_running){
1701 Assert( (bm_bitmaps[bitmapnum].type == BM_TYPE_PCX) || (bm_bitmaps[bitmapnum].type == BM_TYPE_ANI) || (bm_bitmaps[bitmapnum].type == BM_TYPE_TGA));
1703 if(flags & BMP_AABITMAP){
1706 Assert( bpp == 16 );
1711 be = &bm_bitmaps[bitmapnum];
1714 // If you hit this assert, chances are that someone freed the
1715 // wrong bitmap and now someone is trying to use that bitmap.
1717 Assert( be->type != BM_TYPE_NONE );
1719 // Increment ref count for bitmap since lock was made on it.
1720 Assert(be->ref_count >= 0);
1721 be->ref_count++; // Lock it before we page in data; this prevents a callback from freeing this
1722 // as it gets read in
1724 // Mark this bitmap as used this frame
1725 #ifdef BMPMAN_NDEBUG
1726 if ( be->used_this_frame < 255 ) {
1727 be->used_this_frame++;
1731 // if bitmap hasn't been loaded yet, then load it from disk
1732 // reread the bitmap from disk under certain conditions
1733 int pal_changed = 0;
1734 int rle_changed = 0;
1735 int fake_xparent_changed = 0;
1736 if ( (bmp->data == 0) || (bpp != bmp->bpp) || pal_changed || rle_changed || fake_xparent_changed ) {
1737 Assert(be->ref_count == 1);
1739 if ( be->type != BM_TYPE_USER ) {
1740 if ( bmp->data == 0 ) {
1741 nprintf (("BmpMan","Loading %s for the first time.\n", be->filename));
1742 } else if ( bpp != bmp->bpp ) {
1743 nprintf (("BmpMan","Reloading %s from bitdepth %d to bitdepth %d\n", be->filename, bmp->bpp, bpp));
1744 } else if ( pal_changed ) {
1745 nprintf (("BmpMan","Reloading %s to remap palette\n", be->filename));
1746 } else if ( rle_changed ) {
1747 nprintf (("BmpMan","Reloading %s to change RLE.\n", be->filename));
1748 } else if ( fake_xparent_changed ) {
1749 nprintf (("BmpMan","Reloading %s to change fake xparency.\n", be->filename));
1753 MONITOR_INC( NumBitmapPage, 1 );
1754 MONITOR_INC( SizeBitmapPage, bmp->w*bmp->h );
1757 if ( be->type != BM_TYPE_USER ) {
1759 strcpy( flag_text, "--" );
1760 nprintf(( "Paging", "Loading %s (%dx%dx%dx%s)\n", be->filename, bmp->w, bmp->h, bpp, flag_text ));
1764 // select proper format
1765 if(flags & BMP_AABITMAP){
1766 BM_SELECT_ALPHA_TEX_FORMAT();
1767 } else if(flags & BMP_TEX_ANY){
1768 BM_SELECT_TEX_FORMAT();
1770 BM_SELECT_SCREEN_FORMAT();
1773 switch ( be->type ) {
1775 bm_lock_pcx( handle, bitmapnum, be, bmp, bpp, flags );
1779 bm_lock_ani( handle, bitmapnum, be, bmp, bpp, flags );
1783 bm_lock_user( handle, bitmapnum, be, bmp, bpp, flags );
1787 bm_lock_tga( handle, bitmapnum, be, bmp, bpp, flags );
1791 Warning(LOCATION, "Unsupported type in bm_lock -- %d\n", be->type );
1795 // always go back to screen format
1796 BM_SELECT_SCREEN_FORMAT();
1799 if ( be->type == BM_TYPE_ANI ) {
1800 int i,first = bm_bitmaps[bitmapnum].info.ani.first_frame;
1802 for ( i=0; i< bm_bitmaps[first].info.ani.num_frames; i++ ) {
1803 // Mark all the bitmaps in this bitmap or animation as recently used
1804 bm_bitmaps[first+i].last_used = timer_get_milliseconds();
1806 // Mark all the bitmaps in this bitmap or animation as used for the usage tracker.
1807 #ifdef BMPMAN_NDEBUG
1808 bm_bitmaps[first+i].used_count++;
1810 bm_bitmaps[first+i].used_flags = flags;
1813 // Mark all the bitmaps in this bitmap or animation as recently used
1814 be->last_used = timer_get_milliseconds();
1816 // Mark all the bitmaps in this bitmap or animation as used for the usage tracker.
1817 #ifdef BMPMAN_NDEBUG
1820 be->used_flags = flags;
1828 // Decrements the ref_count member of the bitmap_entry struct. A bitmap can only be unloaded
1829 // when the ref_count is 0.
1831 void bm_unlock( int handle )
1836 int bitmapnum = handle % MAX_BITMAPS;
1837 Assert( bm_bitmaps[bitmapnum].handle == handle ); // INVALID BITMAP HANDLE
1839 Assert(bitmapnum >= 0 && bitmapnum < MAX_BITMAPS);
1840 if ( !bm_inited ) bm_init();
1842 be = &bm_bitmaps[bitmapnum];
1846 Assert(be->ref_count >= 0); // Trying to unlock data more times than lock was called!!!
1855 char *bm_get_filename(int handle)
1859 n = handle % MAX_BITMAPS;
1860 Assert(bm_bitmaps[n].handle == handle); // INVALID BITMAP HANDLE
1861 return bm_bitmaps[n].filename;
1864 void bm_get_palette(int handle, ubyte *pal, char *name)
1869 int n= handle % MAX_BITMAPS;
1870 Assert( bm_bitmaps[n].handle == handle ); // INVALID BITMAP HANDLE
1872 filename = bm_bitmaps[n].filename;
1875 strcpy( name, filename );
1878 int pcx_error=pcx_read_header( filename, &w, &h, pal );
1879 if ( pcx_error != PCX_ERROR_NONE ){
1880 // Error(LOCATION, "Couldn't open '%s'\n", filename );
1884 // --------------------------------------------------------------------------------------
1885 // bm_release() - unloads the bitmap's data and entire slot, so bitmap 'n' won't be valid anymore
1887 // parameters: n => index into bm_bitmaps ( index returned from bm_load() or bm_create() )
1891 void bm_release(int handle)
1895 int n = handle % MAX_BITMAPS;
1897 Assert(n >= 0 && n < MAX_BITMAPS);
1898 be = &bm_bitmaps[n];
1900 if ( bm_bitmaps[n].type == BM_TYPE_NONE ) {
1901 return; // Already been released?
1904 if ( bm_bitmaps[n].type != BM_TYPE_USER ) {
1908 Assert( be->handle == handle ); // INVALID BITMAP HANDLE
1910 // If it is locked, cannot free it.
1911 if (be->ref_count != 0) {
1912 nprintf(("BmpMan", "tried to unload %s that has a lock count of %d.. not unloading\n", be->filename, be->ref_count));
1918 if ( bm_bitmaps[n].type == BM_TYPE_USER ) {
1919 bm_bitmaps[n].info.user.data = NULL;
1920 bm_bitmaps[n].info.user.bpp = 0;
1924 bm_bitmaps[n].type = BM_TYPE_NONE;
1926 // Fill in bogus structures!
1929 strcpy( bm_bitmaps[n].filename, "IVE_BEEN_RELEASED!" );
1930 bm_bitmaps[n].signature = 0xDEADBEEF; // a unique signature identifying the data
1931 bm_bitmaps[n].palette_checksum = 0xDEADBEEF; // checksum used to be sure bitmap is in current palette
1934 #ifdef BMPMAN_NDEBUG
1935 bm_bitmaps[n].data_size = -1; // How much data this bitmap uses
1937 bm_bitmaps[n].ref_count = -1; // Number of locks on bitmap. Can't unload unless ref_count is 0.
1940 bm_bitmaps[n].bm.w = bm_bitmaps[n].bm.h = -1;
1942 // Stuff needed for animations
1943 // Stuff needed for user bitmaps
1944 memset( &bm_bitmaps[n].info, 0, sizeof(bm_extra_info) );
1946 bm_bitmaps[n].handle = -1;
1954 // --------------------------------------------------------------------------------------
1955 // bm_unload() - unloads the data, but not the bitmap info.
1957 // parameters: n => index into bm_bitmaps ( index returned from bm_load() or bm_create() )
1959 // returns: 0 => unload failed
1960 // 1 => unload successful
1962 int bm_unload( int handle )
1967 int n = handle % MAX_BITMAPS;
1969 Assert(n >= 0 && n < MAX_BITMAPS);
1970 be = &bm_bitmaps[n];
1973 if ( be->type == BM_TYPE_NONE ) {
1974 return 0; // Already been released
1977 Assert( be->handle == handle ); // INVALID BITMAP HANDLE!
1979 // If it is locked, cannot free it.
1980 if (be->ref_count != 0) {
1981 nprintf(("BmpMan", "tried to unload %s that has a lock count of %d.. not unloading\n", be->filename, be->ref_count));
1985 nprintf(("BmpMan", "unloading %s. %dx%dx%d\n", be->filename, bmp->w, bmp->h, bmp->bpp));
1986 bm_free_data(n); // clears flags, bbp, data, etc
1992 // unload all used bitmaps
1993 void bm_unload_all()
1997 for (i = 0; i < MAX_BITMAPS; i++) {
1998 if ( bm_bitmaps[i].type != BM_TYPE_NONE ) {
1999 bm_unload(bm_bitmaps[i].handle);
2005 DCF(bmpman,"Shows/changes bitmap caching parameters and usage")
2008 dc_get_arg(ARG_STRING);
2009 if ( !strcmp( Dc_arg, "flush" )) {
2010 dc_printf( "Total RAM usage before flush: %d bytes\n", bm_texture_ram );
2012 for (i = 0; i < MAX_BITMAPS; i++) {
2013 if ( bm_bitmaps[i].type != BM_TYPE_NONE ) {
2017 dc_printf( "Total RAM after flush: %d bytes\n", bm_texture_ram );
2018 } else if ( !strcmp( Dc_arg, "ram" )) {
2019 dc_get_arg(ARG_INT);
2020 Bm_max_ram = Dc_arg_int*1024*1024;
2022 // print usage, not stats
2028 dc_printf( "Usage: BmpMan keyword\nWhere keyword can be in the following forms:\n" );
2029 dc_printf( "BmpMan flush Unloads all bitmaps.\n" );
2030 dc_printf( "BmpMan ram x Sets max mem usage to x MB. (Set to 0 to have no limit.)\n" );
2031 dc_printf( "\nUse '? BmpMan' to see status of Bitmap manager.\n" );
2032 Dc_status = 0; // don't print status if help is printed. Too messy.
2036 dc_printf( "Total RAM usage: %d bytes\n", bm_texture_ram );
2039 if ( Bm_max_ram > 1024*1024 )
2040 dc_printf( "Max RAM allowed: %.1f MB\n", i2fl(Bm_max_ram)/(1024.0f*1024.0f) );
2041 else if ( Bm_max_ram > 1024 )
2042 dc_printf( "Max RAM allowed: %.1f KB\n", i2fl(Bm_max_ram)/(1024.0f) );
2043 else if ( Bm_max_ram > 0 )
2044 dc_printf( "Max RAM allowed: %d bytes\n", Bm_max_ram );
2046 dc_printf( "No RAM limit\n" );
2052 // Marks a texture as being used for this level
2053 void bm_page_in_texture( int bitmapnum, int nframes )
2056 for (i=0; i<nframes;i++ ) {
2057 int n = bitmapnum % MAX_BITMAPS;
2059 bm_bitmaps[n+i].preloaded = 1;
2061 if ( D3D_enabled ) {
2062 bm_bitmaps[n+i].used_flags = BMP_TEX_OTHER;
2064 bm_bitmaps[n+i].used_flags = 0;
2069 // Marks a texture as being used for this level
2070 // If num_frames is passed, assume this is an animation
2071 void bm_page_in_nondarkening_texture( int bitmapnum, int nframes )
2074 for (i=0; i<nframes;i++ ) {
2075 int n = bitmapnum % MAX_BITMAPS;
2077 bm_bitmaps[n+i].preloaded = 4;
2079 if ( D3D_enabled ) {
2080 bm_bitmaps[n+i].used_flags = BMP_TEX_NONDARK;
2082 bm_bitmaps[n+i].used_flags = 0;
2087 // marks a texture as being a transparent textyre used for this level
2088 // Marks a texture as being used for this level
2089 // If num_frames is passed, assume this is an animation
2090 void bm_page_in_xparent_texture( int bitmapnum, int nframes)
2093 for (i=0; i<nframes;i++ ) {
2094 int n = bitmapnum % MAX_BITMAPS;
2096 bm_bitmaps[n+i].preloaded = 3;
2098 if ( D3D_enabled ) {
2099 // bm_bitmaps[n+i].used_flags = BMP_NO_PALETTE_MAP;
2100 bm_bitmaps[n+i].used_flags = BMP_TEX_XPARENT;
2102 bm_bitmaps[n+i].used_flags = 0;
2107 // Marks an aabitmap as being used for this level
2108 void bm_page_in_aabitmap( int bitmapnum, int nframes )
2112 for (i=0; i<nframes;i++ ) {
2113 int n = bitmapnum % MAX_BITMAPS;
2115 bm_bitmaps[n+i].preloaded = 2;
2117 if ( D3D_enabled ) {
2118 bm_bitmaps[n+i].used_flags = BMP_AABITMAP;
2120 bm_bitmaps[n+i].used_flags = 0;
2127 // Tell the bitmap manager to start keeping track of what bitmaps are used where.
2128 void bm_page_in_start()
2134 // Mark all as inited
2135 for (i = 0; i < MAX_BITMAPS; i++) {
2136 if ( bm_bitmaps[i].type != BM_TYPE_NONE ) {
2137 bm_unload(bm_bitmaps[i].handle);
2139 bm_bitmaps[i].preloaded = 0;
2140 #ifdef BMPMAN_NDEBUG
2141 bm_bitmaps[i].used_count = 0;
2143 bm_bitmaps[i].used_flags = 0;
2148 extern void gr_d3d_preload_init();
2149 extern int gr_d3d_preload(int bitmap_num, int is_aabitmap );
2151 void bm_page_in_stop()
2154 int ship_info_index;
2156 nprintf(( "BmpInfo","BMPMAN: Loading all used bitmaps.\n" ));
2158 // Load all the ones that are supposed to be loaded for this level.
2161 #ifdef BMPMAN_NDEBUG
2165 int d3d_preloading = 1;
2167 gr_d3d_preload_init();
2169 for (i = 0; i < MAX_BITMAPS; i++) {
2170 if ( bm_bitmaps[i].type != BM_TYPE_NONE ) {
2171 if ( bm_bitmaps[i].preloaded ) {
2172 #ifdef BMPMAN_SPECIAL_NONDARK
2173 // if this is a texture, check to see if a ship uses it
2174 ship_info_index = ship_get_texture(bm_bitmaps[i].handle);
2175 // use the colors from this ship
2176 if((ship_info_index >= 0) && (Ship_info[ship_info_index].num_nondark_colors > 0)){
2177 // mprintf(("Using custom pixels for %s\n", Ship_info[ship_info_index].name));
2178 palman_set_nondarkening(Ship_info[ship_info_index].nondark_colors, Ship_info[ship_info_index].num_nondark_colors);
2180 // use the colors from the default table
2182 // mprintf(("Using default pixels\n"));
2183 palman_set_nondarkening(Palman_non_darkening_default, Palman_num_nondarkening_default);
2187 // if preloaded == 3, load it as an xparent texture
2188 if(bm_bitmaps[i].used_flags == BMP_AABITMAP){
2189 bm_lock( bm_bitmaps[i].handle, 8, bm_bitmaps[i].used_flags );
2191 bm_lock( bm_bitmaps[i].handle, 16, bm_bitmaps[i].used_flags );
2193 bm_unlock( bm_bitmaps[i].handle );
2195 if ( d3d_preloading ) {
2196 if ( !gr_d3d_preload(bm_bitmaps[i].handle, (bm_bitmaps[i].preloaded==2) ) ) {
2197 mprintf(( "Out of VRAM. Done preloading.\n" ));
2203 #ifdef BMPMAN_NDEBUG
2204 if ( Bm_ram_freed ) {
2205 nprintf(( "BmpInfo","BMPMAN: Not enough cache memory to load all level bitmaps\n" ));
2213 nprintf(( "BmpInfo","BMPMAN: Loaded %d bitmaps that are marked as used for this level.\n", n ));
2215 int total_bitmaps = 0;
2216 for (i = 0; i < MAX_BITMAPS; i++) {
2217 if ( bm_bitmaps[i].type != BM_TYPE_NONE ) {
2220 if ( bm_bitmaps[i].type == BM_TYPE_USER ) {
2221 mprintf(( "User bitmap '%s'\n", bm_bitmaps[i].filename ));
2225 mprintf(( "Bmpman: %d/%d bitmap slots in use.\n", total_bitmaps, MAX_BITMAPS ));
2226 //mprintf(( "Bmpman: Usage went from %d KB to %d KB.\n", usage_before/1024, usage_after/1024 ));
2231 int bm_get_cache_slot( int bitmap_id, int separate_ani_frames )
2233 int n = bitmap_id % MAX_BITMAPS;
2235 Assert( bm_bitmaps[n].handle == bitmap_id ); // INVALID BITMAP HANDLE
2237 bitmap_entry *be = &bm_bitmaps[n];
2239 if ( (!separate_ani_frames) && (be->type == BM_TYPE_ANI) ) {
2240 return be->info.ani.first_frame;
2247 // convert a 24 bit value to a 16 bit value
2248 void bm_24_to_16(int bit_24, ushort *bit_16)
2250 ubyte *pixel = (ubyte*)&bit_24;
2253 bm_set_components((ubyte*)bit_16, (ubyte*)&pixel[0], (ubyte*)&pixel[1], (ubyte*)&pixel[2], &alpha);
2256 extern int D3D_32bit;
2258 void (*bm_set_components)(ubyte *pixel, ubyte *r, ubyte *g, ubyte *b, ubyte *a) = NULL;
2260 void bm_set_components_argb(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2263 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2264 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2265 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2266 *((ushort*)pixel) &= ~(0x8000);
2267 if (*((ushort*)pixel) == (ushort)Gr_current_green->mask) {
2268 *((ushort*)pixel) = 0;
2271 *((ushort*)pixel) |= 0x8000;
2276 void bm_set_components_d3d(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2279 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2280 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2281 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2283 *((ushort*)pixel) = (ushort)Gr_current_green->mask;
2287 void bm_set_components_argb_d3d_16_screen(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2289 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2290 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2291 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2293 *((ushort*)pixel) = (ushort)Gr_current_green->mask;
2297 void bm_set_components_argb_d3d_32_screen(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2299 *((uint*)pixel) |= (uint)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2300 *((uint*)pixel) |= (uint)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2301 *((uint*)pixel) |= (uint)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2303 *((uint*)pixel) = (uint)Gr_current_green->mask;
2307 void bm_set_components_argb_d3d_16_tex(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2309 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2310 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2311 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2312 *((ushort*)pixel) &= ~(Gr_current_alpha->mask);
2314 *((ushort*)pixel) |= (ushort)(Gr_current_alpha->mask);
2316 *((ushort*)pixel) = 0;
2320 void bm_set_components_argb_d3d_32_tex(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2322 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2323 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2324 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2325 *((ushort*)pixel) &= ~(Gr_current_alpha->mask);
2327 *((ushort*)pixel) |= (ushort)(Gr_current_alpha->mask);
2329 *((ushort*)pixel) = 0;
2333 // for selecting pixel formats
2334 void BM_SELECT_SCREEN_FORMAT()
2336 Gr_current_red = &Gr_red;
2337 Gr_current_green = &Gr_green;
2338 Gr_current_blue = &Gr_blue;
2339 Gr_current_alpha = &Gr_alpha;
2342 if(gr_screen.mode == GR_GLIDE){
2344 bm_set_components = bm_set_components_argb;
2346 } else if(gr_screen.mode == GR_DIRECT3D){
2347 if(Bm_pixel_format == BM_PIXEL_FORMAT_D3D){
2348 bm_set_components = bm_set_components_d3d;
2351 bm_set_components = bm_set_components_argb_d3d_32_screen;
2353 bm_set_components = bm_set_components_argb_d3d_16_screen;
2356 } else if(gr_screen.mode == GR_SOFTWARE){
2357 bm_set_components = bm_set_components_argb;
2358 } 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 } else if(gr_screen.mode == GR_SOFTWARE){
2387 bm_set_components = bm_set_components_argb;
2388 } else if(gr_screen.mode == GR_OPENGL){
2389 bm_set_components = bm_set_components_argb;
2393 void BM_SELECT_ALPHA_TEX_FORMAT()
2395 Gr_current_red = &Gr_ta_red;
2396 Gr_current_green = &Gr_ta_green;
2397 Gr_current_blue = &Gr_ta_blue;
2398 Gr_current_alpha = &Gr_ta_alpha;
2401 if(gr_screen.mode == GR_GLIDE){
2402 bm_set_components = bm_set_components_argb;
2403 } else if(gr_screen.mode == GR_DIRECT3D){
2404 if(Bm_pixel_format == BM_PIXEL_FORMAT_D3D){
2405 bm_set_components = bm_set_components_d3d;
2408 bm_set_components = bm_set_components_argb_d3d_32_tex;
2410 bm_set_components = bm_set_components_argb_d3d_16_tex;
2413 } else if(gr_screen.mode == GR_SOFTWARE){
2414 bm_set_components = bm_set_components_argb;
2415 } else if(gr_screen.mode == GR_OPENGL){
2416 bm_set_components = bm_set_components_argb;
2420 // set the rgba components of a pixel, any of the parameters can be -1
2422 void bm_set_components(ubyte *pixel, ubyte *rv, ubyte *gv, ubyte *bv, ubyte *av)
2426 // pick a byte size - 32 bits only if 32 bit mode d3d and screen format
2427 if(D3D_32bit && (Gr_current_red == &Gr_red)){
2432 *((uint*)pixel) |= (uint)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2434 *((ushort*)pixel) |= (ushort)(( (int)*rv / Gr_current_red->scale ) << Gr_current_red->shift);
2437 *((uint*)pixel) |= (uint)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2439 *((ushort*)pixel) |= (ushort)(( (int)*gv / Gr_current_green->scale ) << Gr_current_green->shift);
2442 *((uint*)pixel) |= (uint)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2444 *((ushort*)pixel) |= (ushort)(( (int)*bv / Gr_current_blue->scale ) << Gr_current_blue->shift);
2447 // 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
2448 // ergo, we need to do this _last_
2449 switch(Bm_pixel_format){
2450 // glide has an alpha channel so we have to unset ir or set it each time
2451 case BM_PIXEL_FORMAT_ARGB:
2453 *((ushort*)pixel) &= ~(0x8000);
2455 *((ushort*)pixel) |= 0x8000;
2459 // this d3d format has no alpha channel, so only make it "transparent", never make it "non-transparent"
2460 case BM_PIXEL_FORMAT_D3D:
2463 *((ushort*)pixel) = (ushort)Gr_current_green->mask;
2467 // nice 1555 texture format
2468 case BM_PIXEL_FORMAT_ARGB_D3D:
2469 // if we're writing to normal texture format
2470 if(Gr_current_red == &Gr_t_red){
2472 *((ushort*)pixel) &= ~(Gr_current_alpha->mask);
2474 *((ushort*)pixel) |= (ushort)(Gr_current_alpha->mask);
2476 *((ushort*)pixel) = 0;
2479 // otherwise if we're writing to screen format, still do it the green mask way
2483 *((uint*)pixel) = (uint)Gr_current_green->mask;
2485 *((ushort*)pixel) = (ushort)Gr_current_green->mask;
2494 // get the rgba components of a pixel, any of the parameters can be NULL
2495 void bm_get_components(ubyte *pixel, ubyte *r, ubyte *g, ubyte *b, ubyte *a)
2499 // pick a byte size - 32 bits only if 32 bit mode d3d and screen format
2500 if(D3D_32bit && (Gr_current_red == &Gr_red)){
2506 *r = ubyte(( (*((uint*)pixel) & Gr_current_red->mask)>>Gr_current_red->shift)*Gr_current_red->scale);
2508 *r = ubyte(( ( ((ushort*)pixel)[0] & Gr_current_red->mask)>>Gr_current_red->shift)*Gr_current_red->scale);
2513 *g = ubyte(( (*((uint*)pixel) & Gr_current_green->mask) >>Gr_current_green->shift)*Gr_current_green->scale);
2515 *g = ubyte(( ( ((ushort*)pixel)[0] & Gr_current_green->mask) >>Gr_current_green->shift)*Gr_current_green->scale);
2520 *b = ubyte(( (*((uint*)pixel) & Gr_current_blue->mask)>>Gr_current_blue->shift)*Gr_current_blue->scale);
2522 *b = ubyte(( ( ((ushort*)pixel)[0] & Gr_current_blue->mask)>>Gr_current_blue->shift)*Gr_current_blue->scale);
2526 // get the alpha value
2530 switch(Bm_pixel_format){
2531 // glide has an alpha channel so we have to unset ir or set it each time
2532 case BM_PIXEL_FORMAT_ARGB:
2534 if(!( ((ushort*)pixel)[0] & 0x8000)){
2539 // this d3d format has no alpha channel, so only make it "transparent", never make it "non-transparent"
2540 case BM_PIXEL_FORMAT_D3D:
2542 if( *((ushort*)pixel) == Gr_current_green->mask){
2547 // nice 1555 texture format mode
2548 case BM_PIXEL_FORMAT_ARGB_D3D:
2549 // if we're writing to a normal texture, use nice alpha bits
2550 if(Gr_current_red == &Gr_t_red){
2553 if(!(*((ushort*)pixel) & Gr_current_alpha->mask)){
2557 // otherwise do it as normal
2560 if(*((int*)pixel) == Gr_current_green->mask){
2564 if(*((ushort*)pixel) == Gr_current_green->mask){
2574 void bm_get_filename(int bitmapnum, char *filename)
2576 int n = bitmapnum % MAX_BITMAPS;
2579 strcpy(filename, bm_bitmaps[n].filename);
2582 // given a bitmap and a section, return the size (w, h)
2583 void bm_get_section_size(int bitmapnum, int sx, int sy, int *w, int *h)
2586 bitmap_section_info *sections;
2589 Assert((w != NULL) && (h != NULL));
2590 if((w == NULL) || (h == NULL)){
2595 bm_get_info(bitmapnum, &bw, &bh, NULL, NULL, NULL, §ions);
2597 // determine the width and height of this section
2598 *w = sx < (sections->num_x - 1) ? MAX_BMAP_SECTION_SIZE : bw - sections->sx[sx];
2599 *h = sy < (sections->num_y - 1) ? MAX_BMAP_SECTION_SIZE : bh - sections->sy[sy];