src/hud/hudshield.cpp

   1 /*
   2  * Copyright (C) Volition, Inc. 1999.  All rights reserved.
   3  *
   4  * All source code herein is the property of Volition, Inc. You may not sell
   5  * or otherwise commercially exploit the source or things you created based on
   6  * the source.
   7  */
   8
   9 /*
  10  * $Logfile: /Freespace2/code/Hud/HUDshield.cpp $
  11  * $Revision$
  12  * $Date$
  13  * $Author$
  14  *
  15  * C file for the display and management of the HUD shield
  16  *
  17  * $Log$
  18  * Revision 1.3  2002/06/09 04:41:21  relnev
  19  * added copyright header
  20  *
  21  * Revision 1.2  2002/05/07 03:16:45  theoddone33
  22  * The Great Newline Fix
  23  *
  24  * Revision 1.1.1.1  2002/05/03 03:28:09  root
  25  * Initial import.
  26  *
  27  *
  28  * 12    8/27/99 10:36a Dave
  29  * Impose a 2% penalty for hitting the shield balance key.
  30  *
  31  * 11    8/23/99 11:34a Dave
  32  * Fixed shield intensity rendering problems.
  33  *
  34  * 10    8/01/99 12:39p Dave
  35  * Added HUD contrast control key (for nebula).
  36  *
  37  * 9     7/22/99 4:00p Dave
  38  * Fixed beam weapon muzzle glow rendering. Externalized hud shield info.
  39  *
  40  * 8     6/10/99 3:43p Dave
  41  * Do a better job of syncing text colors to HUD gauges.
  42  *
  43  * 7     1/07/99 9:06a Jasen
  44  * coords...
  45  *
  46  * 6     12/30/98 8:57a Jasen
  47  * updated coords for hi res
  48  *
  49  * 5     12/28/98 3:17p Dave
  50  * Support for multiple hud bitmap filenames for hi-res mode.
  51  *
  52  * 4     12/21/98 5:02p Dave
  53  * Modified all hud elements to be multi-resolution friendly.
  54  *
  55  * 3     12/14/98 1:15p Jasen
  56  * added new HUD shield gauges
  57  *
  58  * 2     10/07/98 10:53a Dave
  59  * Initial checkin.
  60  *
  61  * 1     10/07/98 10:49a Dave
  62  *
  63  * 35    9/19/98 3:11p Adam
  64  * Added new hardcoded values for Hud_shield_filenames
  65  *
  66  * 34    8/25/98 1:48p Dave
  67  * First rev of EMP effect. Player side stuff basically done. Next comes
  68  * AI code.
  69  *
  70  * 33    5/17/98 3:32p Lawrance
  71  * Make shield gauge more readable when flashing
  72  *
  73  * 32    4/25/98 5:39p Dave
  74  * Removed an unneeded assert.
  75  *
  76  * 31    4/25/98 3:56p Mike
  77  * Make player's shield icon flash when Fred tells it to.
  78  *
  79  * 30    4/25/98 2:00p Dave
  80  * Installed a bunch of multiplayer context help screens. Reworked ingame
  81  * join ship select screen. Fix places where network timestamps get hosed.
  82  *
  83  * 29    4/21/98 12:19a Allender
  84  * only play equalize shield sound if player equalizes shields
  85  *
  86  * 28    3/26/98 5:26p John
  87  * added new paging code. nonfunctional.
  88  *
  89  * 27    3/21/98 3:35p Lawrance
  90  * Tweak position of numeric integrity for target
  91  *
  92  * 26    3/14/98 4:59p Lawrance
  93  * Flash shield/ship icons when ships are hit
  94  *
  95  * 25    3/02/98 5:42p John
  96  * Removed WinAVI stuff from Freespace.  Made all HUD gauges wriggle from
  97  * afterburner.  Made gr_set_clip work good with negative x &y.  Made
  98  * model_caching be on by default.  Made each cached model have it's own
  99  * bitmap id.  Made asteroids not rotate when model_caching is on.
 100  *
 101  * 24    2/22/98 12:19p John
 102  * Externalized some strings
 103  *
 104  * 23    2/12/98 4:58p Lawrance
 105  * Change to new flashing method.
 106  *
 107  * 22    1/12/98 11:16p Lawrance
 108  * Wonderful HUD config.
 109  *
 110  * 21    1/08/98 4:36p Lawrance
 111  * Fix bug in shield drawing code.
 112  *
 113  * 20    1/05/98 9:38p Lawrance
 114  * Implement flashing HUD gauges.
 115  *
 116  * 19    1/02/98 9:10p Lawrance
 117  * Big changes to how colors get set on the HUD.
 118  *
 119  * 18    12/29/97 9:48p Mike
 120  * Prevent indexing before array start when quadrant_num = -1.
 121  *
 122  * 17    12/01/97 12:27a Lawrance
 123  * redo default alpha color for HUD, make it easy to modify in the future
 124  *
 125  * 16    11/18/97 5:58p Lawrance
 126  * flash escort view info when that ship is taking hits
 127  *
 128  * 15    11/18/97 1:21p Mitri
 129  * ALAN: be sure to only draw shield icons for targets that are ships
 130  *
 131  * 14    11/17/97 6:37p Lawrance
 132  * new gauges: extended target view, new lock triangles, support ship view
 133  *
 134  * 13    11/13/97 10:46p Lawrance
 135  * implemented new escort view, damage view and weapons
 136  *
 137  * 12    11/12/97 9:42a Lawrance
 138  * show player ship integrity above shield icon
 139  *
 140  * 11    11/11/97 5:06p Lawrance
 141  * fix bug with flashing frequency of hull
 142  *
 143  * 10    11/09/97 11:27p Lawrance
 144  * move target shield icon closer to center
 145  *
 146  * 9     11/09/97 4:39p Lawrance
 147  * don't draw mini ship icon anymore
 148  *
 149  * 8     11/08/97 11:08p Lawrance
 150  * implement new "mini-shield" view that sits near bottom of reticle
 151  *
 152  * 7     11/05/97 11:21p Lawrance
 153  * implement dynamic alpha on the shields
 154  *
 155  * 6     11/04/97 8:34p Lawrance
 156  * fix warning: remove unused variable
 157  *
 158  * 5     11/04/97 7:49p Lawrance
 159  * integrating new HUD reticle and shield icons
 160  *
 161  * 4     10/24/97 5:51p Lawrance
 162  * don't show shield % if ship has no shields
 163  *
 164  * 3     9/03/97 4:32p John
 165  * changed bmpman to only accept ani and pcx's.  made passing .pcx or .ani
 166  * to bm_load functions not needed.   Made bmpman keep track of palettes
 167  * for bitmaps not mapped into game palettes.
 168  *
 169  * 2     8/25/97 12:24a Lawrance
 170  * implemented HUD shield management
 171  *
 172  * 1     8/24/97 10:31p Lawrance
 173  *
 174  * $NoKeywords: $
 175  */
 176
 177 #include "2d.h"
 178 #include "object.h"
 179 #include "hud.h"
 180 #include "hudtarget.h"
 181 #include "hudtargetbox.h"
 182 #include "hudets.h"
 183 #include "player.h"
 184 #include "gamesnd.h"
 185 #include "freespace.h"
 186 #include "bmpman.h"
 187 #include "timer.h"
 188 #include "hudshield.h"
 189 #include "hudescort.h"
 190 #include "emp.h"
 191 #include "multi.h"
 192
 193 #define NUM_SHIELD_LEVELS               8
 194
 195 #define SHIELD_TRANSFER_PERCENT 0.083f          // 1/12 total shield strength
 196
 197 #define SHIELD_HIT_DURATION_SHORT       300     // time a shield quadrant flashes after being hit
 198 #define SHIELD_FLASH_INTERVAL_FAST      200     // time between shield quadrant flashes
 199
 200 // now read in from hud.tbl
 201 #define MAX_SHIELD_ICONS                40
 202 int Hud_shield_filename_count = 0;
 203 char Hud_shield_filenames[MAX_SHIELD_ICONS][MAX_FILENAME_LEN];
 204
 205 char Shield_mini_fname[GR_NUM_RESOLUTIONS][MAX_FILENAME_LEN] = {
 206         "targhit1",
 207         "targhit1"
 208 };
 209
 210 hud_frames Shield_gauges[MAX_SHIELD_ICONS];
 211
 212 static int Player_shield_coords[GR_NUM_RESOLUTIONS][2] =
 213 {
 214         { // GR_640
 215                 396, 379
 216         },
 217         { // GR_1024
 218                 634, 670
 219         }
 220 };
 221
 222 static int Target_shield_coords[GR_NUM_RESOLUTIONS][2] =
 223 {
 224         { // GR_640
 225                 142, 379
 226         },
 227         { // GR_1024
 228                 292, 670
 229         }
 230 };
 231
 232 static int Hud_shield_inited = 0;
 233
 234 int Shield_mini_coords[GR_NUM_RESOLUTIONS][2] = {
 235         { // GR_640
 236                 305, 291
 237         },
 238         { // GR_1024
 239                 497, 470
 240         }
 241 };
 242
 243 // draw on the mini shield icon what the ship integrity is
 244 int Hud_mini_3digit[GR_NUM_RESOLUTIONS][3] = {
 245         { // GR_640
 246                 310, 298, 0
 247         },
 248         { // GR_1024
 249                 502, 477, 0
 250         }
 251 };
 252 int Hud_mini_2digit[GR_NUM_RESOLUTIONS][3] = {
 253         { // GR_640
 254                 213, 298, 2
 255         },
 256         { // GR_1024
 257                 346, 477, 2
 258         }
 259 };
 260 int Hud_mini_1digit[GR_NUM_RESOLUTIONS][3] = {
 261         { // GR_640
 262                 316, 298, 6
 263         },
 264         { // GR_1024
 265                 511, 477, 6
 266         }
 267 };
 268 int Hud_mini_base[GR_NUM_RESOLUTIONS][2] = {
 269         { // GR_640
 270                 310, 298
 271         },
 272         { // GR_1024
 273                 502, 477
 274         }
 275 };
 276
 277 int Shield_mini_loaded = 0;
 278 hud_frames Shield_mini_gauge;
 279
 280 #define SHIELD_HIT_PLAYER               0
 281 #define SHIELD_HIT_TARGET               1
 282 static shield_hit_info  Shield_hit_data[2];
 283
 284 // translate between clockwise-from-top shield quadrant ordering to way quadrants are numbered in the game
 285 ubyte Quadrant_xlate[4] = {1,0,2,3};
 286
 287 void hud_shield_game_init()
 288 {
 289         char name[MAX_FILENAME_LEN+1] = "";
 290
 291         // read in hud.tbl
 292         read_file_text("hud.tbl");
 293         reset_parse();
 294
 295         Hud_shield_filename_count = 0;
 296         required_string("#Shield Icons Begin");
 297         while(!optional_string("#End")){
 298                 required_string("$Shield:");
 299
 300                 stuff_string(name, F_NAME, NULL);
 301
 302                 // maybe store
 303                 Assert(Hud_shield_filename_count < MAX_SHIELD_ICONS);
 304                 if(Hud_shield_filename_count < MAX_SHIELD_ICONS){
 305                         strcpy(Hud_shield_filenames[Hud_shield_filename_count++], name);
 306                 }
 307         }
 308 }
 309
 310 // called at the start of each level from HUD_init.  Use Hud_shield_init so we only init Shield_gauges[] once.
 311 void hud_shield_level_init()
 312 {
 313         int i;
 314
 315         hud_shield_hit_reset(1);        // reset for the player
 316
 317         if ( Hud_shield_inited ) {
 318                 return;
 319         }
 320
 321         for ( i = 0; i < MAX_SHIELD_ICONS; i++ ) {
 322                 Shield_gauges[i].first_frame = -1;
 323                 Shield_gauges[i].num_frames  = 0;
 324         }
 325
 326         Hud_shield_inited = 1;
 327
 328         if ( !Shield_mini_loaded ) {
 329                 Shield_mini_gauge.first_frame = bm_load_animation(Shield_mini_fname[gr_screen.res], &Shield_mini_gauge.num_frames);
 330                 if ( Shield_mini_gauge.first_frame == -1 ) {
 331                         Warning(LOCATION, "Could not load in the HUD shield ani: Shield_mini_fname[gr_screen.res]\n");
 332                         return;
 333                 }
 334                 Shield_mini_loaded = 1;
 335         }
 336 }
 337
 338 int hud_shield_maybe_flash(int gauge, int target_index, int shield_offset)
 339 {
 340         int                                     flashed = 0;
 341         shield_hit_info *shi;
 342
 343         shi = &Shield_hit_data[target_index];
 344
 345         if ( !timestamp_elapsed(shi->shield_hit_timers[shield_offset]) ) {
 346                 if ( timestamp_elapsed(shi->shield_hit_next_flash[shield_offset]) ) {
 347                         shi->shield_hit_next_flash[shield_offset] = timestamp(SHIELD_FLASH_INTERVAL_FAST);
 348                         shi->shield_show_bright ^= (1<<shield_offset);  // toggle between default and bright frames
 349                 }
 350
 351                 if ( shi->shield_show_bright & (1<<shield_offset) ) {
 352                         // hud_set_bright_color();
 353                         hud_set_gauge_color(gauge, HUD_C_BRIGHT);
 354                         flashed = 1;
 355                 } else {
 356                         hud_set_gauge_color(gauge, HUD_C_NORMAL);
 357                         // hud_set_default_color();
 358                 }
 359         }
 360
 361         return flashed;
 362 }
 363
 364 // ------------------------------------------------------------------
 365 // hud_shield_show()
 366 //
 367 // Show the players shield strength and integrity
 368 //
 369 void hud_shield_show(object *objp)
 370 {
 371         float                   max_shield;
 372         int                     hud_color_index, range;
 373         int                     sx, sy, i;
 374         ship                    *sp;
 375         ship_info       *sip;
 376         hud_frames      *sgp;
 377
 378         if ( objp->type != OBJ_SHIP )
 379                 return;
 380
 381         sp = &Ships[objp->instance];
 382         sip = &Ship_info[sp->ship_info_index];
 383
 384         if ( sip->shield_icon_index == 255 ) {
 385                 return;
 386         }
 387
 388         if (objp == Player_obj) {
 389                 hud_set_gauge_color(HUD_PLAYER_SHIELD_ICON);
 390         } else {
 391                 hud_set_gauge_color(HUD_TARGET_SHIELD_ICON);
 392         }
 393
 394         // load in shield frames if not already loaded
 395         Assert(sip->shield_icon_index >= 0 && sip->shield_icon_index < Hud_shield_filename_count);
 396         sgp = &Shield_gauges[sip->shield_icon_index];
 397
 398         if ( sgp->first_frame == -1 ) {
 399                 sgp->first_frame = bm_load_animation(Hud_shield_filenames[sip->shield_icon_index], &sgp->num_frames);
 400                 if ( sgp->first_frame == -1 ) {
 401                         Warning(LOCATION, "Could not load in the HUD shield ani: %s\n", Hud_shield_filenames[sip->shield_icon_index]);
 402                         return;
 403                 }
 404         }
 405
 406         if ( objp == Player_obj ) {
 407                 sx = Player_shield_coords[gr_screen.res][0];
 408                 sy = Player_shield_coords[gr_screen.res][1];
 409         } else {
 410                 sx = Target_shield_coords[gr_screen.res][0];
 411                 sy = Target_shield_coords[gr_screen.res][1];
 412         }
 413
 414         sx += fl2i(HUD_offset_x);
 415         sy += fl2i(HUD_offset_y);
 416
 417         // draw the ship first
 418         if ( objp == Player_obj ) {
 419                 hud_shield_maybe_flash(HUD_PLAYER_SHIELD_ICON, SHIELD_HIT_PLAYER, HULL_HIT_OFFSET);
 420         } else {
 421                 hud_shield_maybe_flash(HUD_TARGET_SHIELD_ICON, SHIELD_HIT_TARGET, HULL_HIT_OFFSET);
 422         }
 423
 424         GR_AABITMAP(sgp->first_frame, sx, sy);
 425
 426         // draw the four quadrants
 427         //
 428         // Draw shield quadrants at one of NUM_SHIELD_LEVELS
 429         max_shield = sip->shields/4.0f;
 430
 431         for ( i = 0; i < 4; i++ ) {
 432
 433                 if ( objp->flags & OF_NO_SHIELDS ) {
 434                         break;
 435                 }
 436
 437                 if ( objp->shields[Quadrant_xlate[i]] < 0.1f ) {
 438                         continue;
 439                 }
 440
 441                 range = max(HUD_COLOR_ALPHA_MAX, HUD_color_alpha + 4);
 442                 hud_color_index = fl2i( (objp->shields[Quadrant_xlate[i]] / max_shield) * range + 0.5);
 443                 Assert(hud_color_index >= 0 && hud_color_index <= range);
 444
 445                 if ( hud_color_index < 0 ) {
 446                         hud_color_index = 0;
 447                 }
 448                 if ( hud_color_index >= HUD_NUM_COLOR_LEVELS ) {
 449                         hud_color_index = HUD_NUM_COLOR_LEVELS - 1;
 450                 }
 451
 452                 int flash=0;
 453                 if ( objp == Player_obj ) {
 454                         flash = hud_shield_maybe_flash(HUD_PLAYER_SHIELD_ICON, SHIELD_HIT_PLAYER, i);
 455                 } else {
 456                         flash = hud_shield_maybe_flash(HUD_TARGET_SHIELD_ICON, SHIELD_HIT_TARGET, i);
 457                 }
 458
 459                 if ( !flash ) {
 460                         // gr_set_color_fast(&HUD_color_defaults[hud_color_index]);
 461                         if ( objp == Player_obj ) {
 462                                 hud_set_gauge_color(HUD_PLAYER_SHIELD_ICON, hud_color_index);
 463                         } else {
 464                                 hud_set_gauge_color(HUD_TARGET_SHIELD_ICON, hud_color_index);
 465                         }
 466
 467                         GR_AABITMAP(sgp->first_frame+i+1, sx, sy);
 468                 }
 469         }
 470
 471         // hud_set_default_color();
 472 }
 473
 474 // called at beginning of level to page in all ship icons
 475 // used in this level
 476 void hud_ship_icon_page_in(ship_info *sip)
 477 {
 478         hud_frames      *sgp;
 479
 480         if ( sip->shield_icon_index == 255 ) {
 481                 return;
 482         }
 483
 484         // load in shield frames if not already loaded
 485         Assert(sip->shield_icon_index >= 0 && sip->shield_icon_index < Hud_shield_filename_count);
 486         sgp = &Shield_gauges[sip->shield_icon_index];
 487
 488         if ( sgp->first_frame == -1 ) {
 489                 sgp->first_frame = bm_load_animation(Hud_shield_filenames[sip->shield_icon_index], &sgp->num_frames);
 490                 if ( sgp->first_frame == -1 ) {
 491                         Warning(LOCATION, "Could not load in the HUD shield ani: %s\n", Hud_shield_filenames[sip->shield_icon_index]);
 492                         return;
 493                 }
 494         }
 495
 496         int i;
 497         for (i=0; i<sgp->num_frames; i++ )      {
 498                 bm_page_in_aabitmap(sgp->first_frame+i);
 499         }
 500
 501 }
 502
 503 // ------------------------------------------------------------------
 504 // hud_shield_equalize()
 505 //
 506 // Equalize the four shield quadrants for an object
 507 //
 508 void hud_shield_equalize(object *objp, player *pl)
 509 {
 510         float   strength;
 511         int idx;
 512         int all_equal = 1;
 513
 514         Assert(objp != NULL);
 515         if(objp == NULL){
 516                 return;
 517         }
 518         Assert(pl != NULL);
 519         if(pl == NULL){
 520                 return;
 521         }
 522         Assert(objp->type == OBJ_SHIP);
 523         if(objp->type != OBJ_SHIP){
 524                 return;
 525         }
 526
 527         // are all quadrants equal?
 528         for(idx=0; idx<MAX_SHIELD_SECTIONS-1; idx++){
 529                 if(objp->shields[idx] != objp->shields[idx+1]){
 530                         all_equal = 0;
 531                         break;
 532                 }
 533         }
 534
 535         // not all equal
 536         if(!all_equal){
 537                 strength = get_shield_strength(objp);
 538                 if ( strength != 0 ) {
 539                         // maybe impose a 2% penalty - server side and single player only
 540                         if(!MULTIPLAYER_CLIENT &&  (pl->shield_penalty_stamp < 0) || timestamp_elapsed_safe(pl->shield_penalty_stamp, 1000) ){
 541                                 strength *= 0.98f;
 542
 543                                 // reset the penalty timestamp
 544                                 pl->shield_penalty_stamp = timestamp(1000);
 545                         }
 546
 547                         set_shield_strength(objp, strength);
 548                 }
 549         }
 550
 551         // beep
 552         if ( objp == Player_obj ){
 553                 snd_play( &Snds[SND_SHIELD_XFER_OK] );
 554         }
 555 }
 556
 557 // ------------------------------------------------------------------
 558 // hud_augment_shield_quadrant()
 559 //
 560 // Transfer shield energy to a shield quadrant from the three other
 561 //      quadrants.  Works by trying to transfer a fixed amount of shield
 562 //      energy from the other three quadrants, taking the same percentage
 563 // from each quadrant.
 564 //
 565 //      input:  objp                    =>              object to perform shield transfer on
 566 //                              direction       =>              which quadrant to augment:
 567 //                                                                              0 - right
 568 //                                                                              1 - top
 569 //                                                                              2 - bottom
 570 //                                                                              3 - left
 571 //
 572 void hud_augment_shield_quadrant(object *objp, int direction)
 573 {
 574         float   full_shields, xfer_amount, energy_avail, percent_to_take, delta;
 575         float   max_quadrant_val;
 576         int     i;
 577
 578         Assert(direction >= 0 && direction < 4);
 579         Assert(objp->type == OBJ_SHIP);
 580         full_shields = Ship_info[Ships[objp->instance].ship_info_index].shields;
 581
 582         xfer_amount = full_shields * SHIELD_TRANSFER_PERCENT;
 583         max_quadrant_val = full_shields/4.0f;
 584
 585         if ( (objp->shields[direction] + xfer_amount) > max_quadrant_val )
 586                 xfer_amount = max_quadrant_val - objp->shields[direction];
 587
 588         Assert(xfer_amount >= 0);
 589         if ( xfer_amount == 0 ) {
 590                 // TODO: provide a feedback sound
 591                 return;
 592         }
 593         else {
 594                 snd_play( &Snds[SND_SHIELD_XFER_OK] );
 595         }
 596
 597         energy_avail = 0.0f;
 598         for ( i = 0; i < MAX_SHIELD_SECTIONS; i++ ) {
 599                 if ( i == direction )
 600                         continue;
 601                 energy_avail += objp->shields[i];
 602         }
 603
 604         percent_to_take = xfer_amount/energy_avail;
 605         if ( percent_to_take > 1.0f )
 606                 percent_to_take = 1.0f;
 607
 608         for ( i = 0; i < MAX_SHIELD_SECTIONS; i++ ) {
 609                 if ( i == direction )
 610                         continue;
 611                 delta = percent_to_take * objp->shields[i];
 612                 objp->shields[i] -= delta;
 613                 Assert(objp->shields[i] >= 0 );
 614                 objp->shields[direction] += delta;
 615                 if ( objp->shields[direction] > max_quadrant_val )
 616                         objp->shields[direction] = max_quadrant_val;
 617         }
 618 }
 619
 620 // Try to find a match between filename and the names inside
 621 // of Hud_shield_filenames.  This will provide us with an
 622 // association of ship class to shield icon information.
 623 void hud_shield_assign_info(ship_info *sip, char *filename)
 624 {
 625         ubyte i;
 626
 627         for ( i = 0; i < Hud_shield_filename_count; i++ ) {
 628                 if ( !stricmp(filename, Hud_shield_filenames[i]) ) {
 629                         sip->shield_icon_index = i;
 630                 }
 631         }
 632 }
 633
 634 void hud_show_mini_ship_integrity(object *objp, int x_force, int y_force)
 635 {
 636         char    text_integrity[64];
 637         int     numeric_integrity;
 638         float p_target_integrity,initial_hull;
 639         int     nx, ny;
 640
 641         initial_hull = Ship_info[Ships[objp->instance].ship_info_index].initial_hull_strength;
 642         if (  initial_hull <= 0 ) {
 643                 Int3(); // illegal initial hull strength
 644                 p_target_integrity = 0.0f;
 645         } else {
 646                 p_target_integrity = objp->hull_strength / initial_hull;
 647                 if (p_target_integrity < 0){
 648                         p_target_integrity = 0.0f;
 649                 }
 650         }
 651
 652         numeric_integrity = fl2i(p_target_integrity*100 + 0.5f);
 653         if(numeric_integrity > 100){
 654                 numeric_integrity = 100;
 655         }
 656         // Assert(numeric_integrity <= 100);
 657
 658         // base coords
 659         nx = (x_force == -1) ? Hud_mini_base[gr_screen.res][0] : x_force;
 660         ny = (y_force == -1) ? Hud_mini_base[gr_screen.res][1] : y_force;
 661
 662         // 3 digit hull strength
 663         if ( numeric_integrity == 100 ) {
 664                 nx += Hud_mini_3digit[gr_screen.res][2];
 665         }
 666         // 2 digit hull strength
 667         else if ( numeric_integrity < 10 ) {
 668                 nx += Hud_mini_1digit[gr_screen.res][2];
 669         }
 670         // 1 digit hull strength
 671         else {
 672                 nx += Hud_mini_2digit[gr_screen.res][2];
 673         }
 674
 675         if ( numeric_integrity == 0 ) {
 676                 if ( p_target_integrity > 0 ) {
 677                         numeric_integrity = 1;
 678                 }
 679         }
 680
 681         nx += fl2i( HUD_offset_x );
 682         ny += fl2i( HUD_offset_y );
 683
 684         sprintf(text_integrity, "%d", numeric_integrity);
 685         if ( numeric_integrity < 100 ) {
 686                 hud_num_make_mono(text_integrity);
 687         }
 688
 689         gr_string(nx, ny, text_integrity);
 690 }
 691
 692 // Draw the miniature shield icon that is drawn near the reticle
 693 void hud_shield_show_mini(object *objp, int x_force, int y_force, int x_hull_offset, int y_hull_offset)
 694 {
 695         float                   max_shield;
 696         int                     hud_color_index, range, frame_offset;
 697         int                     sx, sy, i;
 698         ship                    *sp;
 699         ship_info       *sip;
 700         shield_hit_info *shi;
 701
 702         shi = &Shield_hit_data[SHIELD_HIT_TARGET];
 703
 704         if ( objp->type != OBJ_SHIP ) {
 705                 return;
 706         }
 707
 708         sp = &Ships[objp->instance];
 709         sip = &Ship_info[sp->ship_info_index];
 710
 711         hud_set_gauge_color(HUD_TARGET_MINI_ICON);
 712
 713         if (!Shield_mini_loaded)
 714                 return;
 715
 716         sx = (x_force == -1) ? Shield_mini_coords[gr_screen.res][0]+fl2i(HUD_offset_x) : x_force;
 717         sy = (y_force == -1) ? Shield_mini_coords[gr_screen.res][1]+fl2i(HUD_offset_y) : y_force;
 718
 719         // draw the ship first
 720         hud_shield_maybe_flash(HUD_TARGET_MINI_ICON, SHIELD_HIT_TARGET, HULL_HIT_OFFSET);
 721         hud_show_mini_ship_integrity(objp,x_force + x_hull_offset,y_force + y_hull_offset);
 722
 723         // draw the four quadrants
 724         // Draw shield quadrants at one of NUM_SHIELD_LEVELS
 725         max_shield = sip->shields/4.0f;
 726
 727         for ( i = 0; i < 4; i++ ) {
 728
 729                 if ( objp->flags & OF_NO_SHIELDS ) {
 730                         break;
 731                 }
 732
 733                 if ( objp->shields[Quadrant_xlate[i]] < 0.1f ) {
 734                         continue;
 735                 }
 736
 737                 if ( hud_shield_maybe_flash(HUD_TARGET_MINI_ICON, SHIELD_HIT_TARGET, i) ) {
 738                         frame_offset = i+4;
 739                 } else {
 740                         frame_offset = i;
 741                 }
 742
 743                 range = HUD_color_alpha;
 744                 hud_color_index = fl2i( (objp->shields[Quadrant_xlate[i]] / max_shield) * range + 0.5);
 745                 Assert(hud_color_index >= 0 && hud_color_index <= range);
 746
 747                 if ( hud_color_index < 0 ) {
 748                         hud_color_index = 0;
 749                 }
 750                 if ( hud_color_index >= HUD_NUM_COLOR_LEVELS ) {
 751                         hud_color_index = HUD_NUM_COLOR_LEVELS - 1;
 752                 }
 753
 754                 if ( hud_gauge_maybe_flash(HUD_TARGET_MINI_ICON) == 1) {
 755                         // hud_set_bright_color();
 756                         hud_set_gauge_color(HUD_TARGET_MINI_ICON, HUD_C_BRIGHT);
 757                 } else {
 758                         // gr_set_color_fast(&HUD_color_defaults[hud_color_index]);
 759                         hud_set_gauge_color(HUD_TARGET_MINI_ICON, hud_color_index);
 760                 }
 761
 762                 GR_AABITMAP(Shield_mini_gauge.first_frame + frame_offset, sx, sy);
 763         }
 764
 765         // hud_set_default_color();
 766 }
 767
 768 // reset the shield_hit_info data structure
 769 void shield_info_reset(shield_hit_info *shi)
 770 {
 771         int i;
 772
 773         shi->shield_hit_status = 0;
 774         shi->shield_show_bright = 0;
 775         for ( i = 0; i < NUM_SHIELD_HIT_MEMBERS; i++ ) {
 776                 shi->shield_hit_timers[i] = 1;
 777                 shi->shield_hit_next_flash[i] = 1;
 778         }
 779 }
 780
 781 // reset the timers and hit flags for the shield gauges
 782 //
 783 // This needs to be called whenever the player selects a new target
 784 //
 785 // input:       player  =>      optional parameter (default value 0).  This is to indicate that player shield hit
 786 //                                                              info should be reset.  This is normally not the case.
 787 //                                                              is for the player's current target
 788 void hud_shield_hit_reset(int player)
 789 {
 790         shield_hit_info *shi;
 791
 792         if (player) {
 793                 shi = &Shield_hit_data[SHIELD_HIT_PLAYER];
 794         } else {
 795                 shi = &Shield_hit_data[SHIELD_HIT_TARGET];
 796         }
 797
 798         shield_info_reset(shi);
 799 }
 800
 801 // called once per frame to update the state of Shield_hit_status based on the Shield_hit_timers[]
 802 void hud_shield_hit_update()
 803 {
 804         int i, j, limit;
 805
 806         limit = 1;
 807         if ( Player_ai->target_objnum >= 0 ) {
 808                 limit = 2;
 809         }
 810
 811         for ( i = 0; i < limit; i++ ) {
 812                 for ( j = 0; j < NUM_SHIELD_HIT_MEMBERS; j++ ) {
 813                         if ( timestamp_elapsed(Shield_hit_data[i].shield_hit_timers[j]) ) {
 814                                 Shield_hit_data[i].shield_hit_status &= ~(1<<j);
 815                                 Shield_hit_data[i].shield_show_bright &= ~(1<<j);
 816                         }
 817                 }
 818         }
 819 }
 820
 821 // called when a shield quadrant is struct, so we can update the timer that will draw the quadrant
 822 // as flashing
 823 //
 824 // input:
 825 //                              objp            =>      object pointer for ship that has been hit
 826 //                              quadrant        => quadrant of shield getting hit (-1 if no shield is present)
 827 void hud_shield_quadrant_hit(object *objp, int quadrant)
 828 {
 829         shield_hit_info *shi;
 830         int                                     num;
 831
 832         if ( objp->type != OBJ_SHIP )
 833                 return;
 834
 835         hud_escort_ship_hit(objp, quadrant);
 836         hud_gauge_popup_start(HUD_TARGET_MINI_ICON);
 837
 838         if ( OBJ_INDEX(objp) == Player_ai->target_objnum ) {
 839                 shi = &Shield_hit_data[SHIELD_HIT_TARGET];
 840         } else if ( objp == Player_obj ) {
 841                 shi = &Shield_hit_data[SHIELD_HIT_PLAYER];
 842         } else {
 843                 return;
 844         }
 845
 846         if ( quadrant >= 0 ) {
 847                 num = Quadrant_xlate[quadrant];
 848                 shi->shield_hit_timers[num] = timestamp(300);
 849         } else {
 850                 shi->shield_hit_timers[HULL_HIT_OFFSET] = timestamp(SHIELD_HIT_DURATION_SHORT);
 851                 hud_targetbox_start_flash(TBOX_FLASH_HULL);
 852         }
 853 }
 854
 855
 856 void hudshield_page_in()
 857 {
 858         bm_page_in_aabitmap( Shield_mini_gauge.first_frame, Shield_mini_gauge.num_frames );
 859 }
 860