cl_screen.c

   1
   2 #include "quakedef.h"
   3 #include "cl_video.h"
   4 #include "jpeg.h"
   5
   6 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100"};
   7 cvar_t scr_fov = {CVAR_SAVE, "fov","90"};       // 10 - 170
   8 cvar_t scr_conspeed = {CVAR_SAVE, "scr_conspeed","900"}; // LordHavoc: quake used 300
   9 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1"};
  10 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "0.2"};
  11 cvar_t scr_centertime = {0, "scr_centertime","2"};
  12 cvar_t scr_showram = {CVAR_SAVE, "showram","1"};
  13 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0"};
  14 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1"};
  15 cvar_t scr_printspeed = {0, "scr_printspeed","8"};
  16 cvar_t scr_2dresolution = {CVAR_SAVE, "scr_2dresolution", "1"};
  17 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","0"};
  18 cvar_t cl_avidemo = {0, "cl_avidemo", "0"};
  19
  20 qboolean        scr_initialized;                // ready to draw
  21
  22 float           scr_con_current;
  23 float           scr_conlines;           // lines of console to display
  24
  25 int                     clearconsole;
  26 int                     clearnotify;
  27
  28 qboolean        scr_drawloading = false;
  29
  30 static qbyte menuplyr_pixels[4096];
  31
  32 void DrawCrosshair(int num);
  33 void V_CalcRefdef (void);
  34 static void SCR_ScreenShot_f (void);
  35 static void R_Envmap_f (void);
  36
  37 // backend
  38 void R_ClearScreen(void);
  39
  40 /*
  41 ===============================================================================
  42
  43 CENTER PRINTING
  44
  45 ===============================================================================
  46 */
  47
  48 char            scr_centerstring[1024];
  49 float           scr_centertime_start;   // for slow victory printing
  50 float           scr_centertime_off;
  51 int                     scr_center_lines;
  52 int                     scr_erase_lines;
  53 int                     scr_erase_center;
  54
  55 /*
  56 ==============
  57 SCR_CenterPrint
  58
  59 Called for important messages that should stay in the center of the screen
  60 for a few moments
  61 ==============
  62 */
  63 void SCR_CenterPrint (char *str)
  64 {
  65         strncpy (scr_centerstring, str, sizeof(scr_centerstring)-1);
  66         scr_centertime_off = scr_centertime.value;
  67         scr_centertime_start = cl.time;
  68
  69 // count the number of lines for centering
  70         scr_center_lines = 1;
  71         while (*str)
  72         {
  73                 if (*str == '\n')
  74                         scr_center_lines++;
  75                 str++;
  76         }
  77 }
  78
  79
  80 void SCR_DrawCenterString (void)
  81 {
  82         char    *start;
  83         int             l;
  84         int             x, y;
  85         int             remaining;
  86
  87 // the finale prints the characters one at a time
  88         if (cl.intermission)
  89                 remaining = scr_printspeed.value * (cl.time - scr_centertime_start);
  90         else
  91                 remaining = 9999;
  92
  93         scr_erase_center = 0;
  94         start = scr_centerstring;
  95
  96         if (scr_center_lines <= 4)
  97                 y = vid.conheight*0.35;
  98         else
  99                 y = 48;
 100
 101         do
 102         {
 103         // scan the width of the line
 104                 for (l=0 ; l<40 ; l++)
 105                         if (start[l] == '\n' || !start[l])
 106                                 break;
 107                 x = (vid.conwidth - l*8)/2;
 108                 if (l > 0)
 109                 {
 110                         if (remaining < l)
 111                                 l = remaining;
 112                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0);
 113                         remaining -= l;
 114                         if (remaining <= 0)
 115                                 return;
 116                 }
 117
 118                 y += 8;
 119
 120                 while (*start && *start != '\n')
 121                         start++;
 122
 123                 if (!*start)
 124                         break;
 125                 start++;                // skip the \n
 126         } while (1);
 127 }
 128
 129 void SCR_CheckDrawCenterString (void)
 130 {
 131         if (scr_center_lines > scr_erase_lines)
 132                 scr_erase_lines = scr_center_lines;
 133
 134         scr_centertime_off -= host_frametime;
 135
 136         // don't draw if this is a normal stats-screen intermission,
 137         // only if it is not an intermission, or a finale intermission
 138         if (cl.intermission == 1)
 139                 return;
 140         if (scr_centertime_off <= 0 && !cl.intermission)
 141                 return;
 142         if (key_dest != key_game)
 143                 return;
 144
 145         SCR_DrawCenterString ();
 146 }
 147
 148 /*
 149 ==============
 150 SCR_DrawTurtle
 151 ==============
 152 */
 153 void SCR_DrawTurtle (void)
 154 {
 155         static int      count;
 156
 157         if (cls.state != ca_connected)
 158                 return;
 159
 160         if (!scr_showturtle.integer)
 161                 return;
 162
 163         if (host_frametime < 0.1)
 164         {
 165                 count = 0;
 166                 return;
 167         }
 168
 169         count++;
 170         if (count < 3)
 171                 return;
 172
 173         DrawQ_Pic (0, 0, "gfx/turtle.lmp", 0, 0, 1, 1, 1, 1, 0);
 174 }
 175
 176 /*
 177 ==============
 178 SCR_DrawNet
 179 ==============
 180 */
 181 void SCR_DrawNet (void)
 182 {
 183         if (cls.state != ca_connected)
 184                 return;
 185         if (realtime - cl.last_received_message < 0.3)
 186                 return;
 187         if (cls.demoplayback)
 188                 return;
 189
 190         DrawQ_Pic (64, 0, "gfx/net.lmp", 0, 0, 1, 1, 1, 1, 0);
 191 }
 192
 193 /*
 194 ==============
 195 DrawPause
 196 ==============
 197 */
 198 void SCR_DrawPause (void)
 199 {
 200         cachepic_t      *pic;
 201
 202         if (cls.state != ca_connected)
 203                 return;
 204
 205         if (!scr_showpause.integer)             // turn off for screenshots
 206                 return;
 207
 208         if (!cl.paused)
 209                 return;
 210
 211         pic = Draw_CachePic ("gfx/pause.lmp");
 212         DrawQ_Pic ((vid.conwidth - pic->width)/2, (vid.conheight - pic->height)/2, "gfx/pause.lmp", 0, 0, 1, 1, 1, 1, 0);
 213 }
 214
 215
 216
 217 /*
 218 ==============
 219 SCR_DrawLoading
 220 ==============
 221 */
 222 void SCR_DrawLoading (void)
 223 {
 224         cachepic_t      *pic;
 225
 226         pic = Draw_CachePic ("gfx/loading.lmp");
 227         DrawQ_Pic ((vid.conwidth - pic->width)/2, (vid.conheight - pic->height)/2, "gfx/loading.lmp", 0, 0, 1, 1, 1, 1, 0);
 228 }
 229
 230
 231
 232 //=============================================================================
 233
 234
 235 /*
 236 ==================
 237 SCR_SetUpToDrawConsole
 238 ==================
 239 */
 240 void SCR_SetUpToDrawConsole (void)
 241 {
 242         Con_CheckResize ();
 243
 244         if (key_dest == key_game && cls.signon != SIGNONS)
 245                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 246         else
 247                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 248
 249 // decide on the height of the console
 250         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 251                 scr_conlines = vid.conheight; // full screen
 252         else if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 253                 scr_conlines = vid.conheight/2; // half screen
 254         else
 255                 scr_conlines = 0;                               // none visible
 256
 257         if (scr_conspeed.value)
 258         {
 259                 if (scr_conlines < scr_con_current)
 260                 {
 261                         scr_con_current -= scr_conspeed.value*host_realframetime;
 262                         if (scr_conlines > scr_con_current)
 263                                 scr_con_current = scr_conlines;
 264
 265                 }
 266                 else if (scr_conlines > scr_con_current)
 267                 {
 268                         scr_con_current += scr_conspeed.value*host_realframetime;
 269                         if (scr_conlines < scr_con_current)
 270                                 scr_con_current = scr_conlines;
 271                 }
 272         }
 273         else
 274                 scr_con_current = scr_conlines;
 275 }
 276
 277 /*
 278 ==================
 279 SCR_DrawConsole
 280 ==================
 281 */
 282 void SCR_DrawConsole (void)
 283 {
 284         if (scr_con_current)
 285         {
 286                 Con_DrawConsole (scr_con_current);
 287                 clearconsole = 0;
 288         }
 289         else
 290         {
 291                 if (key_dest == key_game || key_dest == key_message)
 292                         Con_DrawNotify ();      // only draw notify in game
 293         }
 294 }
 295
 296 /*
 297 ===============
 298 SCR_BeginLoadingPlaque
 299
 300 ================
 301 */
 302 void SCR_BeginLoadingPlaque (void)
 303 {
 304         if (scr_drawloading)
 305                 return;
 306
 307         S_StopAllSounds (true);
 308
 309         scr_drawloading = true;
 310         CL_UpdateScreen ();
 311         scr_drawloading = true;
 312         CL_UpdateScreen ();
 313 }
 314
 315 //=============================================================================
 316
 317 char r_speeds_string[1024];
 318 int speedstringcount, r_timereport_active;
 319 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 320
 321 void R_TimeReport(char *desc)
 322 {
 323         char tempbuf[256];
 324         int length;
 325         int t;
 326
 327         if (!r_timereport_active)
 328                 return;
 329
 330         r_timereport_temp = r_timereport_current;
 331         r_timereport_current = Sys_DoubleTime();
 332         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0);
 333
 334         sprintf(tempbuf, "%8i %s", t, desc);
 335         length = strlen(tempbuf);
 336         while (length < 20)
 337                 tempbuf[length++] = ' ';
 338         tempbuf[length] = 0;
 339         if (speedstringcount + length > (vid.conwidth / 8))
 340         {
 341                 strcat(r_speeds_string, "\n");
 342                 speedstringcount = 0;
 343         }
 344         // skip the space at the beginning if it's the first on the line
 345         if (speedstringcount == 0)
 346         {
 347                 strcat(r_speeds_string, tempbuf + 1);
 348                 speedstringcount = length - 1;
 349         }
 350         else
 351         {
 352                 strcat(r_speeds_string, tempbuf);
 353                 speedstringcount += length;
 354         }
 355 }
 356
 357 extern int c_rt_lights, c_rt_clears, c_rt_scissored;
 358 extern int c_rt_shadowmeshes, c_rt_shadowtris, c_rt_lightmeshes, c_rt_lighttris;
 359 extern int c_rtcached_shadowmeshes, c_rtcached_shadowtris;
 360 void R_TimeReport_Start(void)
 361 {
 362         r_timereport_active = r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected;
 363         r_speeds_string[0] = 0;
 364         if (r_timereport_active)
 365         {
 366                 speedstringcount = 0;
 367                 AngleVectors (r_refdef.viewangles, vpn, NULL, NULL);
 368                 sprintf(r_speeds_string,
 369                         "org:'%+8.2f %+8.2f %+8.2f' ang:'%+4.0f %+4.0f %+4.0f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 370                         "world:%6i faces%6i nodes%6i leafs%6i dlitwalls\n"
 371                         "%5i models%5i bmodels%5i sprites%6i particles%4i dlights\n"
 372                         "%6i modeltris%6i meshs%6i meshtris\n",
 373                         r_refdef.vieworg[0], r_refdef.vieworg[1], r_refdef.vieworg[2], r_refdef.viewangles[0], r_refdef.viewangles[1], r_refdef.viewangles[2], vpn[0], vpn[1], vpn[2],
 374                         c_faces, c_nodes, c_leafs, c_light_polys,
 375                         c_models, c_bmodels, c_sprites, c_particles, c_dlights,
 376                         c_alias_polys, c_meshs, c_meshelements / 3);
 377
 378                 sprintf(r_speeds_string + strlen(r_speeds_string),
 379                         "realtime lighting:%4i lights%4i clears%4i scissored\n"
 380                         "dynamic: %6i shadowmeshes%6i shadowtris%6i lightmeshes%6i lighttris\n"
 381                         "precomputed: %6i shadowmeshes%6i shadowtris\n",
 382                         c_rt_lights, c_rt_clears, c_rt_scissored,
 383                         c_rt_shadowmeshes, c_rt_shadowtris, c_rt_lightmeshes, c_rt_lighttris,
 384                         c_rtcached_shadowmeshes, c_rtcached_shadowtris);
 385
 386                 c_alias_polys = 0;
 387                 c_light_polys = 0;
 388                 c_faces = 0;
 389                 c_nodes = 0;
 390                 c_leafs = 0;
 391                 c_models = 0;
 392                 c_bmodels = 0;
 393                 c_sprites = 0;
 394                 c_particles = 0;
 395                 c_meshs = 0;
 396                 c_meshelements = 0;
 397
 398                 r_timereport_start = Sys_DoubleTime();
 399         }
 400 }
 401
 402 void R_TimeReport_End(void)
 403 {
 404         r_timereport_current = r_timereport_start;
 405         R_TimeReport("total");
 406
 407         if (r_timereport_active)
 408         {
 409                 int i, j, lines, y;
 410                 lines = 1;
 411                 for (i = 0;r_speeds_string[i];i++)
 412                         if (r_speeds_string[i] == '\n')
 413                                 lines++;
 414                 y = vid.conheight - sb_lines - lines * 8;
 415                 i = j = 0;
 416                 DrawQ_Fill(0, y, vid.conwidth, lines * 8, 0, 0, 0, 0.5, 0);
 417                 while (r_speeds_string[i])
 418                 {
 419                         j = i;
 420                         while (r_speeds_string[i] && r_speeds_string[i] != '\n')
 421                                 i++;
 422                         if (i - j > 0)
 423                                 DrawQ_String(0, y, r_speeds_string + j, i - j, 8, 8, 1, 1, 1, 1, 0);
 424                         if (r_speeds_string[i] == '\n')
 425                                 i++;
 426                         y += 8;
 427                 }
 428         }
 429 }
 430
 431 /*
 432 =================
 433 SCR_SizeUp_f
 434
 435 Keybinding command
 436 =================
 437 */
 438 void SCR_SizeUp_f (void)
 439 {
 440         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 441 }
 442
 443
 444 /*
 445 =================
 446 SCR_SizeDown_f
 447
 448 Keybinding command
 449 =================
 450 */
 451 void SCR_SizeDown_f (void)
 452 {
 453         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 454 }
 455
 456 void CL_Screen_Init(void)
 457 {
 458         qpic_t *dat;
 459
 460         Cvar_RegisterVariable (&scr_fov);
 461         Cvar_RegisterVariable (&scr_viewsize);
 462         Cvar_RegisterVariable (&scr_conspeed);
 463         Cvar_RegisterVariable (&scr_conalpha);
 464         Cvar_RegisterVariable (&scr_conbrightness);
 465         Cvar_RegisterVariable (&scr_showram);
 466         Cvar_RegisterVariable (&scr_showturtle);
 467         Cvar_RegisterVariable (&scr_showpause);
 468         Cvar_RegisterVariable (&scr_centertime);
 469         Cvar_RegisterVariable (&scr_printspeed);
 470         Cvar_RegisterVariable (&scr_2dresolution);
 471         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 472         Cvar_RegisterVariable (&cl_avidemo);
 473
 474         Cmd_AddCommand ("sizeup",SCR_SizeUp_f);
 475         Cmd_AddCommand ("sizedown",SCR_SizeDown_f);
 476         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f);
 477         Cmd_AddCommand ("envmap", R_Envmap_f);
 478
 479         scr_initialized = true;
 480
 481         // HACK HACK HACK
 482         // load the image data for the player image in the config menu
 483         dat = (qpic_t *)FS_LoadFile ("gfx/menuplyr.lmp", false);
 484         if (!dat)
 485                 Sys_Error("unable to load gfx/menuplyr.lmp");
 486         SwapPic (dat);
 487
 488         if (dat->width*dat->height <= 4096)
 489                 memcpy (menuplyr_pixels, dat->data, dat->width * dat->height);
 490         else
 491                 Con_Printf("gfx/menuplyr.lmp larger than 4k buffer");
 492         Mem_Free(dat);
 493 }
 494
 495 void DrawQ_Clear(void)
 496 {
 497         r_refdef.drawqueuesize = 0;
 498 }
 499
 500 static int picelements[6] = {0, 1, 2, 0, 2, 3};
 501 void DrawQ_Pic(float x, float y, char *picname, float width, float height, float red, float green, float blue, float alpha, int flags)
 502 {
 503         DrawQ_SuperPic(x,y,picname,width,height,0,0,red,green,blue,alpha,1,0,red,green,blue,alpha,0,1,red,green,blue,alpha,1,1,red,green,blue,alpha,flags);
 504 }
 505
 506 void DrawQ_String(float x, float y, const char *string, int maxlen, float scalex, float scaley, float red, float green, float blue, float alpha, int flags)
 507 {
 508         int size, len;
 509         drawqueue_t *dq;
 510         char *out;
 511         if (alpha < (1.0f / 255.0f))
 512                 return;
 513         if (maxlen < 1)
 514                 len = strlen(string);
 515         else
 516                 for (len = 0;len < maxlen && string[len];len++);
 517         for (;len > 0 && string[0] == ' ';string++, x += scalex, len--);
 518         for (;len > 0 && string[len - 1] == ' ';len--);
 519         if (len < 1)
 520                 return;
 521         if (x >= vid.conwidth || y >= vid.conheight || x < (-scalex * maxlen) || y < (-scaley))
 522                 return;
 523         size = sizeof(*dq) + ((len + 1 + 3) & ~3);
 524         if (r_refdef.drawqueuesize + size > r_refdef.maxdrawqueuesize)
 525                 return;
 526         red = bound(0, red, 1);
 527         green = bound(0, green, 1);
 528         blue = bound(0, blue, 1);
 529         alpha = bound(0, alpha, 1);
 530         dq = (void *)(r_refdef.drawqueue + r_refdef.drawqueuesize);
 531         dq->size = size;
 532         dq->command = DRAWQUEUE_STRING;
 533         dq->flags = flags;
 534         dq->color = ((unsigned int) (red * 255.0f) << 24) | ((unsigned int) (green * 255.0f) << 16) | ((unsigned int) (blue * 255.0f) << 8) | ((unsigned int) (alpha * 255.0f));
 535         dq->x = x;
 536         dq->y = y;
 537         dq->scalex = scalex;
 538         dq->scaley = scaley;
 539         out = (char *)(dq + 1);
 540         memcpy(out, string, len);
 541         out[len] = 0;
 542         r_refdef.drawqueuesize += dq->size;
 543 }
 544
 545 void DrawQ_Fill (float x, float y, float w, float h, float red, float green, float blue, float alpha, int flags)
 546 {
 547         DrawQ_SuperPic(x,y,NULL,w,h,0,0,red,green,blue,alpha,1,0,red,green,blue,alpha,0,1,red,green,blue,alpha,1,1,red,green,blue,alpha,flags);
 548 }
 549
 550 void DrawQ_SuperPic(float x, float y, char *picname, float width, float height, float s1, float t1, float r1, float g1, float b1, float a1, float s2, float t2, float r2, float g2, float b2, float a2, float s3, float t3, float r3, float g3, float b3, float a3, float s4, float t4, float r4, float g4, float b4, float a4, int flags)
 551 {
 552         float floats[36];
 553         cachepic_t *pic;
 554         drawqueuemesh_t mesh;
 555         memset(&mesh, 0, sizeof(mesh));
 556         if (picname && picname[0])
 557         {
 558                 pic = Draw_CachePic(picname);
 559                 if (width == 0)
 560                         width = pic->width;
 561                 if (height == 0)
 562                         height = pic->height;
 563                 mesh.texture = pic->tex;
 564         }
 565         mesh.numtriangles = 2;
 566         mesh.numvertices = 4;
 567         mesh.element3i = picelements;
 568         mesh.vertex3f = floats;
 569         mesh.texcoord2f = floats + 12;
 570         mesh.color4f = floats + 20;
 571         memset(floats, 0, sizeof(floats));
 572         mesh.vertex3f[0] = mesh.vertex3f[9] = x;
 573         mesh.vertex3f[1] = mesh.vertex3f[4] = y;
 574         mesh.vertex3f[3] = mesh.vertex3f[6] = x + width;
 575         mesh.vertex3f[7] = mesh.vertex3f[10] = y + height;
 576         mesh.texcoord2f[0] = s1;mesh.texcoord2f[1] = t1;mesh.color4f[ 0] = r1;mesh.color4f[ 1] = g1;mesh.color4f[ 2] = b1;mesh.color4f[ 3] = a1;
 577         mesh.texcoord2f[2] = s2;mesh.texcoord2f[3] = t2;mesh.color4f[ 4] = r2;mesh.color4f[ 5] = g2;mesh.color4f[ 6] = b2;mesh.color4f[ 7] = a2;
 578         mesh.texcoord2f[4] = s4;mesh.texcoord2f[5] = t4;mesh.color4f[ 8] = r4;mesh.color4f[ 9] = g4;mesh.color4f[10] = b4;mesh.color4f[11] = a4;
 579         mesh.texcoord2f[6] = s3;mesh.texcoord2f[7] = t3;mesh.color4f[12] = r3;mesh.color4f[13] = g3;mesh.color4f[14] = b3;mesh.color4f[15] = a3;
 580         DrawQ_Mesh (&mesh, flags);
 581 }
 582
 583 void DrawQ_Mesh (drawqueuemesh_t *mesh, int flags)
 584 {
 585         int size;
 586         void *p;
 587         drawqueue_t *dq;
 588         drawqueuemesh_t *m;
 589         size = sizeof(*dq);
 590         size += sizeof(drawqueuemesh_t);
 591         size += sizeof(int[3]) * mesh->numtriangles;
 592         size += sizeof(float[3]) * mesh->numvertices;
 593         size += sizeof(float[2]) * mesh->numvertices;
 594         size += sizeof(float[4]) * mesh->numvertices;
 595         if (r_refdef.drawqueuesize + size > r_refdef.maxdrawqueuesize)
 596                 return;
 597         dq = (void *)(r_refdef.drawqueue + r_refdef.drawqueuesize);
 598         dq->size = size;
 599         dq->command = DRAWQUEUE_MESH;
 600         dq->flags = flags;
 601         dq->color = 0;
 602         dq->x = 0;
 603         dq->y = 0;
 604         dq->scalex = 0;
 605         dq->scaley = 0;
 606         p = (void *)(dq + 1);
 607         m = p;(qbyte *)p += sizeof(drawqueuemesh_t);
 608         m->numtriangles = mesh->numtriangles;
 609         m->numvertices = mesh->numvertices;
 610         m->texture = mesh->texture;
 611         m->element3i  = p;memcpy(m->element3i , mesh->element3i , m->numtriangles * sizeof(int[3]));(qbyte *)p += m->numtriangles * sizeof(int[3]);
 612         m->vertex3f   = p;memcpy(m->vertex3f  , mesh->vertex3f  , m->numvertices * sizeof(float[3]));(qbyte *)p += m->numvertices * sizeof(float[3]);
 613         m->texcoord2f = p;memcpy(m->texcoord2f, mesh->texcoord2f, m->numvertices * sizeof(float[2]));(qbyte *)p += m->numvertices * sizeof(float[2]);
 614         m->color4f    = p;memcpy(m->color4f   , mesh->color4f   , m->numvertices * sizeof(float[4]));(qbyte *)p += m->numvertices * sizeof(float[4]);
 615         r_refdef.drawqueuesize += dq->size;
 616 }
 617
 618 /*
 619 ====================
 620 CalcFov
 621 ====================
 622 */
 623 float CalcFov (float fov_x, float width, float height)
 624 {
 625         // calculate vision size and alter by aspect, then convert back to angle
 626         return atan (height / (width / tan(fov_x/360*M_PI))) * 360 / M_PI;
 627 }
 628
 629 /*
 630 =================
 631 SCR_CalcRefdef
 632
 633 Must be called whenever vid changes
 634 Internal use only
 635 =================
 636 */
 637 static void SCR_CalcRefdef (void)
 638 {
 639         float size;
 640         int contents;
 641
 642 //========================================
 643
 644 // bound viewsize
 645         if (scr_viewsize.value < 30)
 646                 Cvar_Set ("viewsize","30");
 647         if (scr_viewsize.value > 120)
 648                 Cvar_Set ("viewsize","120");
 649
 650 // bound field of view
 651         if (scr_fov.value < 10)
 652                 Cvar_Set ("fov","10");
 653         if (scr_fov.value > 170)
 654                 Cvar_Set ("fov","170");
 655
 656 // intermission is always full screen
 657         if (cl.intermission)
 658         {
 659                 size = 1;
 660                 sb_lines = 0;
 661         }
 662         else
 663         {
 664                 if (scr_viewsize.value >= 120)
 665                         sb_lines = 0;           // no status bar at all
 666                 else if (scr_viewsize.value >= 110)
 667                         sb_lines = 24;          // no inventory
 668                 else
 669                         sb_lines = 24+16+8;
 670                 size = scr_viewsize.value * (1.0 / 100.0);
 671         }
 672
 673         if (size >= 1)
 674         {
 675                 r_refdef.width = vid.realwidth;
 676                 r_refdef.height = vid.realheight;
 677                 r_refdef.x = 0;
 678                 r_refdef.y = 0;
 679         }
 680         else
 681         {
 682                 r_refdef.width = vid.realwidth * size;
 683                 r_refdef.height = vid.realheight * size;
 684                 r_refdef.x = (vid.realwidth - r_refdef.width)/2;
 685                 r_refdef.y = (vid.realheight - r_refdef.height)/2;
 686         }
 687
 688         r_refdef.width = bound(0, r_refdef.width, vid.realwidth);
 689         r_refdef.height = bound(0, r_refdef.height, vid.realheight);
 690         r_refdef.x = bound(0, r_refdef.x, vid.realwidth - r_refdef.width) + vid.realx;
 691         r_refdef.y = bound(0, r_refdef.y, vid.realheight - r_refdef.height) + vid.realy;
 692
 693         // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
 694         r_refdef.fov_x = scr_fov.value * cl.viewzoom;
 695         r_refdef.fov_y = CalcFov (r_refdef.fov_x, r_refdef.width, r_refdef.height);
 696
 697         if (cl.worldmodel)
 698         {
 699                 Mod_CheckLoaded(cl.worldmodel);
 700                 contents = cl.worldmodel ? cl.worldmodel->PointContents(cl.worldmodel, r_refdef.vieworg) : CONTENTS_EMPTY;
 701                 if (contents != CONTENTS_EMPTY && contents != CONTENTS_SOLID)
 702                 {
 703                         r_refdef.fov_x *= (sin(cl.time * 4.7) * 0.015 + 0.985);
 704                         r_refdef.fov_y *= (sin(cl.time * 3.0) * 0.015 + 0.985);
 705                 }
 706         }
 707 }
 708
 709 /*
 710 ==================
 711 SCR_ScreenShot_f
 712 ==================
 713 */
 714 void SCR_ScreenShot_f (void)
 715 {
 716         static int i = 0;
 717         char filename[16];
 718         char checkname[MAX_OSPATH];
 719         const char* extens;
 720         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 721
 722         if (jpeg)
 723                 extens = "jpg";
 724         else
 725                 extens = "tga";
 726
 727         // find a file name to save it to
 728         for (; i<=9999 ; i++)
 729         {
 730                 sprintf (filename, "dp%04i.%s", i, extens);
 731                 sprintf (checkname, "%s/%s", fs_gamedir, filename);
 732                 if (!FS_SysFileExists(checkname))
 733                         break;
 734         }
 735         if (i==10000)
 736         {
 737                 Con_Printf ("SCR_ScreenShot_f: Couldn't create the image file\n");
 738                 return;
 739         }
 740
 741         if (SCR_ScreenShot (filename, vid.realx, vid.realy, vid.realwidth, vid.realheight, jpeg))
 742                 Con_Printf ("Wrote %s\n", filename);
 743         else
 744                 Con_Printf ("unable to write %s\n", filename);
 745 }
 746
 747 static int cl_avidemo_frame = 0;
 748
 749 void SCR_CaptureAVIDemo(void)
 750 {
 751         char filename[32];
 752         sprintf(filename, "dpavi%06d.tga", cl_avidemo_frame);
 753         if (SCR_ScreenShot(filename, vid.realx, vid.realy, vid.realwidth, vid.realheight, false))
 754                 cl_avidemo_frame++;
 755         else
 756         {
 757                 Cvar_SetValueQuick(&cl_avidemo, 0);
 758                 Con_Printf("avi saving failed on frame %i, out of disk space?  stopping avi demo catpure.\n", cl_avidemo_frame);
 759                 cl_avidemo_frame = 0;
 760         }
 761 }
 762
 763 /*
 764 ===============
 765 R_Envmap_f
 766
 767 Grab six views for environment mapping tests
 768 ===============
 769 */
 770 struct
 771 {
 772         float angles[3];
 773         char *name;
 774 }
 775 envmapinfo[6] =
 776 {
 777         {{  0,   0, 0}, "ft"},
 778         {{  0,  90, 0}, "rt"},
 779         {{  0, 180, 0}, "bk"},
 780         {{  0, 270, 0}, "lf"},
 781         {{-90,  90, 0}, "up"},
 782         {{ 90,  90, 0}, "dn"}
 783 };
 784
 785 static void R_Envmap_f (void)
 786 {
 787         int j, size;
 788         char filename[256], basename[256];
 789
 790         if (Cmd_Argc() != 3)
 791         {
 792                 Con_Printf ("envmap <basename> <size>: save out 6 cubic environment map images, usable with loadsky, note that size must one of 128, 256, 512, or 1024 and can't be bigger than your current resolution\n");
 793                 return;
 794         }
 795
 796         strcpy(basename, Cmd_Argv(1));
 797         size = atoi(Cmd_Argv(2));
 798         if (size != 128 && size != 256 && size != 512 && size != 1024)
 799         {
 800                 Con_Printf("envmap: size must be one of 128, 256, 512, or 1024\n");
 801                 return;
 802         }
 803         if (size > vid.realwidth || size > vid.realheight)
 804         {
 805                 Con_Printf("envmap: your resolution is not big enough to render that size\n");
 806                 return;
 807         }
 808
 809         envmap = true;
 810
 811         r_refdef.x = 0;
 812         r_refdef.y = 0;
 813         r_refdef.width = size;
 814         r_refdef.height = size;
 815
 816         r_refdef.fov_x = 90;
 817         r_refdef.fov_y = 90;
 818
 819         for (j = 0;j < 6;j++)
 820         {
 821                 sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name);
 822                 VectorCopy(envmapinfo[j].angles, r_refdef.viewangles);
 823                 R_ClearScreen();
 824                 R_RenderView ();
 825                 SCR_ScreenShot(filename, vid.realx, vid.realy, size, size, false);
 826         }
 827
 828         envmap = false;
 829 }
 830
 831 //=============================================================================
 832
 833 // LordHavoc: SHOWLMP stuff
 834 #define SHOWLMP_MAXLABELS 256
 835 typedef struct showlmp_s
 836 {
 837         qboolean        isactive;
 838         float           x;
 839         float           y;
 840         char            label[32];
 841         char            pic[128];
 842 }
 843 showlmp_t;
 844
 845 showlmp_t showlmp[SHOWLMP_MAXLABELS];
 846
 847 void SHOWLMP_decodehide(void)
 848 {
 849         int i;
 850         qbyte *lmplabel;
 851         lmplabel = MSG_ReadString();
 852         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
 853                 if (showlmp[i].isactive && strcmp(showlmp[i].label, lmplabel) == 0)
 854                 {
 855                         showlmp[i].isactive = false;
 856                         return;
 857                 }
 858 }
 859
 860 void SHOWLMP_decodeshow(void)
 861 {
 862         int i, k;
 863         qbyte lmplabel[256], picname[256];
 864         float x, y;
 865         strcpy(lmplabel,MSG_ReadString());
 866         strcpy(picname, MSG_ReadString());
 867         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
 868         {
 869                 x = MSG_ReadByte();
 870                 y = MSG_ReadByte();
 871         }
 872         else
 873         {
 874                 x = MSG_ReadShort();
 875                 y = MSG_ReadShort();
 876         }
 877         k = -1;
 878         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
 879                 if (showlmp[i].isactive)
 880                 {
 881                         if (strcmp(showlmp[i].label, lmplabel) == 0)
 882                         {
 883                                 k = i;
 884                                 break; // drop out to replace it
 885                         }
 886                 }
 887                 else if (k < 0) // find first empty one to replace
 888                         k = i;
 889         if (k < 0)
 890                 return; // none found to replace
 891         // change existing one
 892         showlmp[k].isactive = true;
 893         strcpy(showlmp[k].label, lmplabel);
 894         strcpy(showlmp[k].pic, picname);
 895         showlmp[k].x = x;
 896         showlmp[k].y = y;
 897 }
 898
 899 void SHOWLMP_drawall(void)
 900 {
 901         int i;
 902         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
 903                 if (showlmp[i].isactive)
 904                         DrawQ_Pic(showlmp[i].x, showlmp[i].y, showlmp[i].pic, 0, 0, 1, 1, 1, 1, 0);
 905 }
 906
 907 void SHOWLMP_clear(void)
 908 {
 909         int i;
 910         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
 911                 showlmp[i].isactive = false;
 912 }
 913
 914 void CL_SetupScreenSize(void)
 915 {
 916         static float old2dresolution = -1;
 917
 918         VID_GetWindowSize (&vid.realx, &vid.realy, &vid.realwidth, &vid.realheight);
 919
 920         VID_UpdateGamma(false);
 921
 922         if (scr_2dresolution.value != old2dresolution)
 923         {
 924                 Cvar_SetValue("scr_2dresolution", bound(0.0f, scr_2dresolution.value, 1.0f));
 925                 old2dresolution = scr_2dresolution.value;
 926         }
 927
 928         if (vid.realwidth > 320)
 929         {
 930                 vid.conwidth = (vid.realwidth - 320) * scr_2dresolution.value + 320;
 931                 vid.conwidth = bound(320, vid.conwidth, vid.realwidth);
 932         }
 933         else
 934                 vid.conwidth = 320;
 935
 936         if (vid.realheight > 240)
 937         {
 938                 vid.conheight = (vid.realheight - 240) * scr_2dresolution.value + 240;
 939                 vid.conheight = bound(240, vid.conheight, vid.realheight);
 940         }
 941         else
 942                 vid.conheight = 240;
 943
 944         SCR_SetUpToDrawConsole();
 945
 946         // determine size of refresh window
 947         SCR_CalcRefdef();
 948 }
 949
 950 extern void R_Shadow_EditLights_DrawSelectedLightProperties(void);
 951 void CL_UpdateScreen(void)
 952 {
 953         if (!scr_initialized || !con_initialized || vid_hidden)
 954                 return;                         // not initialized yet
 955
 956         if (cl_avidemo.integer)
 957                 SCR_CaptureAVIDemo();
 958         else
 959                 cl_avidemo_frame = 0;
 960
 961         if (cls.signon == SIGNONS)
 962                 R_TimeReport("other");
 963
 964         CL_SetupScreenSize();
 965
 966         DrawQ_Clear();
 967
 968         if (!intimerefresh)
 969                 V_CalcRefdef();
 970
 971         if (cls.signon == SIGNONS)
 972                 R_TimeReport("setup");
 973
 974         //FIXME: force menu if nothing else to look at?
 975         //if (key_dest == key_game && cls.signon != SIGNONS && cls.state == ca_disconnected)
 976
 977         if (scr_drawloading)
 978         {
 979                 scr_drawloading = false;
 980                 SCR_DrawLoading();
 981         }
 982         else
 983         {
 984                 if (cls.signon == SIGNONS)
 985                 {
 986                         SCR_DrawNet ();
 987                         SCR_DrawTurtle ();
 988                         SCR_DrawPause ();
 989                         Sbar_Draw();
 990                         SHOWLMP_drawall();
 991                         SCR_CheckDrawCenterString();
 992                 }
 993                 ui_draw();
 994                 CL_DrawVideo();
 995                 M_Draw();
 996                 if (cls.signon == SIGNONS)
 997                 {
 998                         R_TimeReport("2d");
 999                         R_TimeReport_End();
1000                         R_TimeReport_Start();
1001                 }
1002                 R_Shadow_EditLights_DrawSelectedLightProperties();
1003         }
1004         SCR_DrawConsole();
1005
1006         SCR_UpdateScreen();
1007 }
1008
1009 void CL_Screen_NewMap(void)
1010 {
1011         SHOWLMP_clear();
1012 }
1013