gl_draw.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #include "quakedef.h"
  22 #include "image.h"
  23 #include "wad.h"
  24
  25 #include "cl_video.h"
  26 #include "cl_dyntexture.h"
  27
  28 #include "ft2.h"
  29 #include "ft2_fontdefs.h"
  30
  31 dp_font_t dp_fonts[MAX_FONTS] = {{0}};
  32
  33 cvar_t r_textshadow = {CVAR_SAVE, "r_textshadow", "0", "draws a shadow on all text to improve readability (note: value controls offset, 1 = 1 pixel, 1.5 = 1.5 pixels, etc)"};
  34 cvar_t r_textbrightness = {CVAR_SAVE, "r_textbrightness", "0", "additional brightness for text color codes (0 keeps colors as is, 1 makes them all white)"};
  35 cvar_t r_textcontrast = {CVAR_SAVE, "r_textcontrast", "1", "additional contrast for text color codes (1 keeps colors as is, 0 makes them all black)"};
  36
  37 extern cvar_t v_glslgamma;
  38
  39 //=============================================================================
  40 /* Support Routines */
  41
  42 #define FONT_FILESIZE 13468
  43 static cachepic_t *cachepichash[CACHEPICHASHSIZE];
  44 static cachepic_t cachepics[MAX_CACHED_PICS];
  45 static int numcachepics;
  46
  47 static rtexturepool_t *drawtexturepool;
  48
  49 static const unsigned char concharimage[FONT_FILESIZE] =
  50 {
  51 #include "lhfont.h"
  52 };
  53
  54 static rtexture_t *draw_generateconchars(void)
  55 {
  56         int i;
  57         unsigned char *data;
  58         double random;
  59         rtexture_t *tex;
  60
  61         data = LoadTGA_BGRA (concharimage, FONT_FILESIZE);
  62 // Gold numbers
  63         for (i = 0;i < 8192;i++)
  64         {
  65                 random = lhrandom (0.0,1.0);
  66                 data[i*4+3] = data[i*4+0];
  67                 data[i*4+2] = 83 + (unsigned char)(random * 64);
  68                 data[i*4+1] = 71 + (unsigned char)(random * 32);
  69                 data[i*4+0] = 23 + (unsigned char)(random * 16);
  70         }
  71 // White chars
  72         for (i = 8192;i < 32768;i++)
  73         {
  74                 random = lhrandom (0.0,1.0);
  75                 data[i*4+3] = data[i*4+0];
  76                 data[i*4+2] = 95 + (unsigned char)(random * 64);
  77                 data[i*4+1] = 95 + (unsigned char)(random * 64);
  78                 data[i*4+0] = 95 + (unsigned char)(random * 64);
  79         }
  80 // Gold numbers
  81         for (i = 32768;i < 40960;i++)
  82         {
  83                 random = lhrandom (0.0,1.0);
  84                 data[i*4+3] = data[i*4+0];
  85                 data[i*4+2] = 83 + (unsigned char)(random * 64);
  86                 data[i*4+1] = 71 + (unsigned char)(random * 32);
  87                 data[i*4+0] = 23 + (unsigned char)(random * 16);
  88         }
  89 // Red chars
  90         for (i = 40960;i < 65536;i++)
  91         {
  92                 random = lhrandom (0.0,1.0);
  93                 data[i*4+3] = data[i*4+0];
  94                 data[i*4+2] = 96 + (unsigned char)(random * 64);
  95                 data[i*4+1] = 43 + (unsigned char)(random * 32);
  96                 data[i*4+0] = 27 + (unsigned char)(random * 32);
  97         }
  98
  99 #if 0
 100         Image_WriteTGABGRA ("gfx/generated_conchars.tga", 256, 256, data);
 101 #endif
 102
 103         tex = R_LoadTexture2D(drawtexturepool, "conchars", 256, 256, data, TEXTYPE_BGRA, TEXF_ALPHA, NULL);
 104         Mem_Free(data);
 105         return tex;
 106 }
 107
 108 static rtexture_t *draw_generateditherpattern(void)
 109 {
 110         int x, y;
 111         unsigned char pixels[8][8];
 112         for (y = 0;y < 8;y++)
 113                 for (x = 0;x < 8;x++)
 114                         pixels[y][x] = ((x^y) & 4) ? 254 : 0;
 115         return R_LoadTexture2D(drawtexturepool, "ditherpattern", 8, 8, pixels[0], TEXTYPE_PALETTE, TEXF_FORCENEAREST, palette_bgra_transparent);
 116 }
 117
 118 typedef struct embeddedpic_s
 119 {
 120         const char *name;
 121         int width;
 122         int height;
 123         const char *pixels;
 124 }
 125 embeddedpic_t;
 126
 127 static const embeddedpic_t embeddedpics[] =
 128 {
 129         {
 130         "gfx/prydoncursor001", 16, 16,
 131         "477777774......."
 132         "77.....6........"
 133         "7.....6........."
 134         "7....6.........."
 135         "7.....6........."
 136         "7..6...6........"
 137         "7.6.6...6......."
 138         "76...6...6......"
 139         "4.....6.6......."
 140         ".......6........"
 141         "................"
 142         "................"
 143         "................"
 144         "................"
 145         "................"
 146         "................"
 147         },
 148         {
 149         "ui/mousepointer", 16, 16,
 150         "477777774......."
 151         "77.....6........"
 152         "7.....6........."
 153         "7....6.........."
 154         "7.....6........."
 155         "7..6...6........"
 156         "7.6.6...6......."
 157         "76...6...6......"
 158         "4.....6.6......."
 159         ".......6........"
 160         "................"
 161         "................"
 162         "................"
 163         "................"
 164         "................"
 165         "................"
 166         },
 167         {
 168         "gfx/crosshair1", 16, 16,
 169         "................"
 170         "................"
 171         "................"
 172         "...33......33..."
 173         "...355....553..."
 174         "....577..775...."
 175         ".....77..77....."
 176         "................"
 177         "................"
 178         ".....77..77....."
 179         "....577..775...."
 180         "...355....553..."
 181         "...33......33..."
 182         "................"
 183         "................"
 184         "................"
 185         },
 186         {
 187         "gfx/crosshair2", 16, 16,
 188         "................"
 189         "................"
 190         "................"
 191         "...3........3..."
 192         "....5......5...."
 193         ".....7....7....."
 194         "......7..7......"
 195         "................"
 196         "................"
 197         "......7..7......"
 198         ".....7....7....."
 199         "....5......5...."
 200         "...3........3..."
 201         "................"
 202         "................"
 203         "................"
 204         },
 205         {
 206         "gfx/crosshair3", 16, 16,
 207         "................"
 208         ".......77......."
 209         ".......77......."
 210         "................"
 211         "................"
 212         ".......44......."
 213         ".......44......."
 214         ".77..44..44..77."
 215         ".77..44..44..77."
 216         ".......44......."
 217         ".......44......."
 218         "................"
 219         "................"
 220         ".......77......."
 221         ".......77......."
 222         "................"
 223         },
 224         {
 225         "gfx/crosshair4", 16, 16,
 226         "................"
 227         "................"
 228         "................"
 229         "................"
 230         "................"
 231         "................"
 232         "................"
 233         "................"
 234         "........7777777."
 235         "........752....."
 236         "........72......"
 237         "........7......."
 238         "........7......."
 239         "........7......."
 240         "........7......."
 241         "................"
 242         },
 243         {
 244         "gfx/crosshair5", 8, 8,
 245         "........"
 246         "........"
 247         "....7..."
 248         "........"
 249         "..7.7.7."
 250         "........"
 251         "....7..."
 252         "........"
 253         },
 254         {
 255         "gfx/crosshair6", 2, 2,
 256         "77"
 257         "77"
 258         },
 259         {
 260         "gfx/crosshair7", 16, 16,
 261         "................"
 262         ".3............3."
 263         "..5...2332...5.."
 264         "...7.3....3.7..."
 265         "....7......7...."
 266         "...3.7....7.3..."
 267         "..2...7..7...2.."
 268         "..3..........3.."
 269         "..3..........3.."
 270         "..2...7..7...2.."
 271         "...3.7....7.3..."
 272         "....7......7...."
 273         "...7.3....3.7..."
 274         "..5...2332...5.."
 275         ".3............3."
 276         "................"
 277         },
 278         {NULL, 0, 0, NULL}
 279 };
 280
 281 static rtexture_t *draw_generatepic(const char *name, qboolean quiet)
 282 {
 283         const embeddedpic_t *p;
 284         for (p = embeddedpics;p->name;p++)
 285                 if (!strcmp(name, p->name))
 286                         return R_LoadTexture2D(drawtexturepool, p->name, p->width, p->height, (const unsigned char *)p->pixels, TEXTYPE_PALETTE, TEXF_ALPHA, palette_bgra_embeddedpic);
 287         if (!strcmp(name, "gfx/conchars"))
 288                 return draw_generateconchars();
 289         if (!strcmp(name, "gfx/colorcontrol/ditherpattern"))
 290                 return draw_generateditherpattern();
 291         if (!quiet)
 292                 Con_DPrintf("Draw_CachePic: failed to load %s\n", name);
 293         return r_texture_notexture;
 294 }
 295
 296
 297 /*
 298 ================
 299 Draw_CachePic
 300 ================
 301 */
 302 // FIXME: move this to client somehow
 303 cachepic_t *Draw_CachePic_Flags(const char *path, unsigned int cachepicflags)
 304 {
 305         int crc, hashkey;
 306         unsigned char *pixels;
 307         cachepic_t *pic;
 308         fs_offset_t lmpsize;
 309         unsigned char *lmpdata;
 310         char lmpname[MAX_QPATH];
 311
 312         // check whether the picture has already been cached
 313         crc = CRC_Block((unsigned char *)path, strlen(path));
 314         hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
 315         for (pic = cachepichash[hashkey];pic;pic = pic->chain)
 316                 if (!strcmp (path, pic->name))
 317                         return pic;
 318
 319         if (numcachepics == MAX_CACHED_PICS)
 320         {
 321                 Con_Printf ("Draw_CachePic: numcachepics == MAX_CACHED_PICS\n");
 322                 // FIXME: support NULL in callers?
 323                 return cachepics; // return the first one
 324         }
 325         pic = cachepics + (numcachepics++);
 326         strlcpy (pic->name, path, sizeof(pic->name));
 327         // link into list
 328         pic->chain = cachepichash[hashkey];
 329         cachepichash[hashkey] = pic;
 330
 331         // check whether it is an dynamic texture (if so, we can directly use its texture handler)
 332         pic->tex = CL_GetDynTexture( path );
 333         // if so, set the width/height, too
 334         if( pic->tex ) {
 335                 pic->width = R_TextureWidth(pic->tex);
 336                 pic->height = R_TextureHeight(pic->tex);
 337                 // we're done now (early-out)
 338                 return pic;
 339         }
 340
 341         pic->texflags = TEXF_ALPHA;
 342         if (!(cachepicflags & CACHEPICFLAG_NOCLAMP))
 343                 pic->texflags |= TEXF_CLAMP;
 344         if (!(cachepicflags & CACHEPICFLAG_NOCOMPRESSION) && gl_texturecompression_2d.integer)
 345                 pic->texflags |= TEXF_COMPRESS;
 346
 347         pic->autoload = (cachepicflags & CACHEPICFLAG_NOTPERSISTENT);
 348
 349         // load a high quality image from disk if possible
 350         pixels = loadimagepixelsbgra(path, false, true);
 351         if (pixels == NULL && !strncmp(path, "gfx/", 4))
 352                 pixels = loadimagepixelsbgra(path+4, false, true);
 353         if (pixels)
 354         {
 355                 pic->width = image_width;
 356                 pic->height = image_height;
 357                 if (!pic->autoload)
 358                         pic->tex = R_LoadTexture2D(drawtexturepool, path, image_width, image_height, pixels, TEXTYPE_BGRA, pic->texflags, NULL);
 359         }
 360         else
 361         {
 362                 pic->autoload = false;
 363                 // never compress the fallback images
 364                 pic->texflags &= ~TEXF_COMPRESS;
 365         }
 366
 367         // now read the low quality version (wad or lmp file), and take the pic
 368         // size from that even if we don't upload the texture, this way the pics
 369         // show up the right size in the menu even if they were replaced with
 370         // higher or lower resolution versions
 371         dpsnprintf(lmpname, sizeof(lmpname), "%s.lmp", path);
 372         if (!strncmp(path, "gfx/", 4) && (lmpdata = FS_LoadFile(lmpname, tempmempool, false, &lmpsize)))
 373         {
 374                 if (developer_loading.integer)
 375                         Con_Printf("loading lump \"%s\"\n", path);
 376
 377                 if (lmpsize >= 9)
 378                 {
 379                         pic->width = lmpdata[0] + lmpdata[1] * 256 + lmpdata[2] * 65536 + lmpdata[3] * 16777216;
 380                         pic->height = lmpdata[4] + lmpdata[5] * 256 + lmpdata[6] * 65536 + lmpdata[7] * 16777216;
 381                         // if no high quality replacement image was found, upload the original low quality texture
 382                         if (!pixels)
 383                                 pic->tex = R_LoadTexture2D(drawtexturepool, path, pic->width, pic->height, lmpdata + 8, TEXTYPE_PALETTE, pic->texflags, palette_bgra_transparent);
 384                 }
 385                 Mem_Free(lmpdata);
 386         }
 387         else if ((lmpdata = W_GetLumpName (path + 4)))
 388         {
 389                 if (developer_loading.integer)
 390                         Con_Printf("loading gfx.wad lump \"%s\"\n", path + 4);
 391
 392                 if (!strcmp(path, "gfx/conchars"))
 393                 {
 394                         // conchars is a raw image and with color 0 as transparent instead of 255
 395                         pic->width = 128;
 396                         pic->height = 128;
 397                         // if no high quality replacement image was found, upload the original low quality texture
 398                         if (!pixels)
 399                                 pic->tex = R_LoadTexture2D(drawtexturepool, path, 128, 128, lmpdata, TEXTYPE_PALETTE, pic->texflags, palette_bgra_font);
 400                 }
 401                 else
 402                 {
 403                         pic->width = lmpdata[0] + lmpdata[1] * 256 + lmpdata[2] * 65536 + lmpdata[3] * 16777216;
 404                         pic->height = lmpdata[4] + lmpdata[5] * 256 + lmpdata[6] * 65536 + lmpdata[7] * 16777216;
 405                         // if no high quality replacement image was found, upload the original low quality texture
 406                         if (!pixels)
 407                                 pic->tex = R_LoadTexture2D(drawtexturepool, path, pic->width, pic->height, lmpdata + 8, TEXTYPE_PALETTE, pic->texflags, palette_bgra_transparent);
 408                 }
 409         }
 410
 411         if (pixels)
 412         {
 413                 Mem_Free(pixels);
 414                 pixels = NULL;
 415         }
 416         else if (pic->tex == NULL)
 417         {
 418                 // if it's not found on disk, generate an image
 419                 pic->tex = draw_generatepic(path, (cachepicflags & CACHEPICFLAG_QUIET) != 0);
 420                 pic->width = R_TextureWidth(pic->tex);
 421                 pic->height = R_TextureHeight(pic->tex);
 422         }
 423
 424         return pic;
 425 }
 426
 427 cachepic_t *Draw_CachePic (const char *path)
 428 {
 429         return Draw_CachePic_Flags (path, 0);
 430 }
 431
 432 int draw_frame = 1;
 433
 434 rtexture_t *Draw_GetPicTexture(cachepic_t *pic)
 435 {
 436         if (pic->autoload && !pic->tex)
 437         {
 438                 pic->tex = loadtextureimage(drawtexturepool, pic->name, false, pic->texflags, true);
 439                 if (pic->tex == NULL && !strncmp(pic->name, "gfx/", 4))
 440                         pic->tex = loadtextureimage(drawtexturepool, pic->name+4, false, pic->texflags, true);
 441                 if (pic->tex == NULL)
 442                         pic->tex = draw_generatepic(pic->name, true);
 443         }
 444         pic->lastusedframe = draw_frame;
 445         return pic->tex;
 446 }
 447
 448 void Draw_Frame(void)
 449 {
 450         int i;
 451         cachepic_t *pic;
 452         static double nextpurgetime;
 453         int purgeframe;
 454         if (nextpurgetime > realtime)
 455                 return;
 456         nextpurgetime = realtime + 0.05;
 457         purgeframe = draw_frame - 1;
 458         for (i = 0, pic = cachepics;i < numcachepics;i++, pic++)
 459         {
 460                 if (pic->autoload && pic->tex && pic->lastusedframe < draw_frame)
 461                 {
 462                         R_FreeTexture(pic->tex);
 463                         pic->tex = NULL;
 464                 }
 465         }
 466         draw_frame++;
 467 }
 468
 469 cachepic_t *Draw_NewPic(const char *picname, int width, int height, int alpha, unsigned char *pixels_bgra)
 470 {
 471         int crc, hashkey;
 472         cachepic_t *pic;
 473
 474         crc = CRC_Block((unsigned char *)picname, strlen(picname));
 475         hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
 476         for (pic = cachepichash[hashkey];pic;pic = pic->chain)
 477                 if (!strcmp (picname, pic->name))
 478                         break;
 479
 480         if (pic)
 481         {
 482                 if (pic->tex && pic->width == width && pic->height == height)
 483                 {
 484                         R_UpdateTexture(pic->tex, pixels_bgra, 0, 0, width, height);
 485                         return pic;
 486                 }
 487         }
 488         else
 489         {
 490                 if (pic == NULL)
 491                 {
 492                         if (numcachepics == MAX_CACHED_PICS)
 493                         {
 494                                 Con_Printf ("Draw_NewPic: numcachepics == MAX_CACHED_PICS\n");
 495                                 // FIXME: support NULL in callers?
 496                                 return cachepics; // return the first one
 497                         }
 498                         pic = cachepics + (numcachepics++);
 499                         strlcpy (pic->name, picname, sizeof(pic->name));
 500                         // link into list
 501                         pic->chain = cachepichash[hashkey];
 502                         cachepichash[hashkey] = pic;
 503                 }
 504         }
 505
 506         pic->width = width;
 507         pic->height = height;
 508         if (pic->tex)
 509                 R_FreeTexture(pic->tex);
 510         pic->tex = R_LoadTexture2D(drawtexturepool, picname, width, height, pixels_bgra, TEXTYPE_BGRA, (alpha ? TEXF_ALPHA : 0) | TEXF_ALLOWUPDATES, NULL);
 511         return pic;
 512 }
 513
 514 void Draw_FreePic(const char *picname)
 515 {
 516         int crc;
 517         int hashkey;
 518         cachepic_t *pic;
 519         // this doesn't really free the pic, but does free it's texture
 520         crc = CRC_Block((unsigned char *)picname, strlen(picname));
 521         hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
 522         for (pic = cachepichash[hashkey];pic;pic = pic->chain)
 523         {
 524                 if (!strcmp (picname, pic->name) && pic->tex)
 525                 {
 526                         R_FreeTexture(pic->tex);
 527                         pic->tex = NULL;
 528                         pic->width = 0;
 529                         pic->height = 0;
 530                         return;
 531                 }
 532         }
 533 }
 534
 535 static float snap_to_pixel_x(float x, float roundUpAt);
 536 extern int con_linewidth; // to force rewrapping
 537 static void LoadFont(qboolean override, const char *name, dp_font_t *fnt)
 538 {
 539         int i;
 540         float maxwidth, scale;
 541         char widthfile[MAX_QPATH];
 542         char *widthbuf;
 543         fs_offset_t widthbufsize;
 544
 545         if(override || !fnt->texpath[0])
 546                 strlcpy(fnt->texpath, name, sizeof(fnt->texpath));
 547
 548         if(drawtexturepool == NULL)
 549                 return; // before gl_draw_start, so will be loaded later
 550
 551         if(fnt->ft2)
 552         {
 553                 // clear freetype font
 554                 Font_UnloadFont(fnt->ft2);
 555                 Mem_Free(fnt->ft2);
 556                 fnt->ft2 = NULL;
 557         }
 558
 559         if(fnt->req_face != -1)
 560         {
 561                 if(!Font_LoadFont(fnt->texpath, fnt))
 562                         Con_DPrintf("Failed to load font-file for '%s', it will not support as many characters.\n", fnt->texpath);
 563         }
 564
 565         fnt->tex = Draw_CachePic_Flags(fnt->texpath, CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION)->tex;
 566         if(fnt->tex == r_texture_notexture)
 567         {
 568                 for (i = 0; i < MAX_FONT_FALLBACKS; ++i)
 569                 {
 570                         if (!fnt->fallbacks[i][0])
 571                                 break;
 572                         fnt->tex = Draw_CachePic_Flags(fnt->fallbacks[i], CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION)->tex;
 573                         if(fnt->tex != r_texture_notexture)
 574                                 break;
 575                 }
 576                 if(fnt->tex == r_texture_notexture)
 577                 {
 578                         fnt->tex = Draw_CachePic_Flags("gfx/conchars", CACHEPICFLAG_NOCOMPRESSION)->tex;
 579                         strlcpy(widthfile, "gfx/conchars.width", sizeof(widthfile));
 580                 }
 581                 else
 582                         dpsnprintf(widthfile, sizeof(widthfile), "%s.width", fnt->fallbacks[i]);
 583         }
 584         else
 585                 dpsnprintf(widthfile, sizeof(widthfile), "%s.width", fnt->texpath);
 586
 587         // unspecified width == 1 (base width)
 588         for(i = 1; i < 256; ++i)
 589                 fnt->width_of[i] = 1;
 590         scale = 1;
 591
 592         // FIXME load "name.width", if it fails, fill all with 1
 593         if((widthbuf = (char *) FS_LoadFile(widthfile, tempmempool, true, &widthbufsize)))
 594         {
 595                 float extraspacing = 0;
 596                 const char *p = widthbuf;
 597                 int ch = 0;
 598
 599                 while(ch < 256)
 600                 {
 601                         if(!COM_ParseToken_Simple(&p, false, false))
 602                                 return;
 603
 604                         switch(*com_token)
 605                         {
 606                                 case '0':
 607                                 case '1':
 608                                 case '2':
 609                                 case '3':
 610                                 case '4':
 611                                 case '5':
 612                                 case '6':
 613                                 case '7':
 614                                 case '8':
 615                                 case '9':
 616                                 case '+':
 617                                 case '-':
 618                                 case '.':
 619                                         fnt->width_of[ch] = atof(com_token) + extraspacing;
 620                                         if (fnt->ft2)
 621                                         {
 622                                                 for (i = 0; i < MAX_FONT_SIZES && fnt->req_sizes[i] >= 0; ++i)
 623                                                         Font_MapForIndex(fnt->ft2, i)->width_of[ch] = snap_to_pixel_x(fnt->width_of[ch] * fnt->req_sizes[i], 0.4);
 624                                         }
 625                                         ch++;
 626                                         break;
 627                                 default:
 628                                         if(!strcmp(com_token, "extraspacing"))
 629                                         {
 630                                                 if(!COM_ParseToken_Simple(&p, false, false))
 631                                                         return;
 632                                                 extraspacing = atof(com_token);
 633                                         }
 634                                         else if(!strcmp(com_token, "scale"))
 635                                         {
 636                                                 if(!COM_ParseToken_Simple(&p, false, false))
 637                                                         return;
 638                                                 scale = atof(com_token);
 639                                         }
 640                                         else
 641                                         {
 642                                                 Con_Printf("Warning: skipped unknown font property %s\n", com_token);
 643                                                 if(!COM_ParseToken_Simple(&p, false, false))
 644                                                         return;
 645                                         }
 646                                         break;
 647                         }
 648                 }
 649
 650                 Mem_Free(widthbuf);
 651         }
 652
 653         maxwidth = fnt->width_of[1];
 654         for(i = 2; i < 256; ++i)
 655                 maxwidth = max(maxwidth, fnt->width_of[i]);
 656         fnt->maxwidth = maxwidth;
 657
 658         // fix up maxwidth for overlap
 659         fnt->maxwidth *= scale;
 660         fnt->scale = scale;
 661
 662         if(fnt == FONT_CONSOLE)
 663                 con_linewidth = -1; // rewrap console in next frame
 664 }
 665
 666 static dp_font_t *FindFont(const char *title)
 667 {
 668         int i;
 669         for(i = 0; i < MAX_FONTS; ++i)
 670                 if(!strcmp(dp_fonts[i].title, title))
 671                         return &dp_fonts[i];
 672         return NULL;
 673 }
 674
 675 static float snap_to_pixel_x(float x, float roundUpAt)
 676 {
 677         float pixelpos = x * vid.width / vid_conwidth.value;
 678         int snap = (int) pixelpos;
 679         if (pixelpos - snap >= roundUpAt) ++snap;
 680         return ((float)snap * vid_conwidth.value / vid.width);
 681         /*
 682         x = (int)(x * vid.width / vid_conwidth.value);
 683         x = (x * vid_conwidth.value / vid.width);
 684         return x;
 685         */
 686 }
 687
 688 static float snap_to_pixel_y(float y, float roundUpAt)
 689 {
 690         float pixelpos = y * vid.height / vid_conheight.value;
 691         int snap = (int) pixelpos;
 692         if (pixelpos - snap > roundUpAt) ++snap;
 693         return ((float)snap * vid_conheight.value / vid.height);
 694         /*
 695         y = (int)(y * vid.height / vid_conheight.value);
 696         y = (y * vid_conheight.value / vid.height);
 697         return y;
 698         */
 699 }
 700
 701 static void LoadFont_f(void)
 702 {
 703         dp_font_t *f;
 704         int i;
 705         const char *filelist, *c, *cm;
 706         float sz;
 707         char mainfont[MAX_QPATH];
 708
 709         if(Cmd_Argc() < 2)
 710         {
 711                 Con_Printf("Available font commands:\n");
 712                 for(i = 0; i < MAX_FONTS; ++i)
 713                         Con_Printf("  loadfont %s gfx/tgafile[...] [sizes...]\n", dp_fonts[i].title);
 714                 Con_Printf("A font can simply be gfx/tgafile, or alternatively you\n"
 715                            "can specify multiple fonts and faces\n"
 716                            "Like this: gfx/vera-sans:2,gfx/fallback:1\n"
 717                            "to load face 2 of the font gfx/vera-sans and use face 1\n"
 718                            "of gfx/fallback as fallback font.\n"
 719                            "You can also specify a list of font sizes to load, like this:\n"
 720                            "loadfont console gfx/conchars,gfx/fallback 8 12 16 24 32\n"
 721                            "In many cases, 8 12 16 24 32 should be a good choice.\n"
 722                         );
 723                 return;
 724         }
 725         f = FindFont(Cmd_Argv(1));
 726         if(f == NULL)
 727         {
 728                 Con_Printf("font function not found\n");
 729                 return;
 730         }
 731
 732         if(Cmd_Argc() < 3)
 733                 filelist = "gfx/conchars";
 734         else
 735                 filelist = Cmd_Argv(2);
 736
 737         memset(f->fallbacks, 0, sizeof(f->fallbacks));
 738         memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
 739
 740         // first font is handled "normally"
 741         c = strchr(filelist, ':');
 742         cm = strchr(filelist, ',');
 743         if(c && (!cm || c < cm))
 744                 f->req_face = atoi(c+1);
 745         else
 746         {
 747                 f->req_face = 0;
 748                 c = cm;
 749         }
 750
 751         if(!c || (c - filelist) > MAX_QPATH)
 752                 strlcpy(mainfont, filelist, sizeof(mainfont));
 753         else
 754         {
 755                 memcpy(mainfont, filelist, c - filelist);
 756                 mainfont[c - filelist] = 0;
 757         }
 758
 759         for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
 760         {
 761                 c = strchr(filelist, ',');
 762                 if(!c)
 763                         break;
 764                 filelist = c + 1;
 765                 if(!*filelist)
 766                         break;
 767                 c = strchr(filelist, ':');
 768                 cm = strchr(filelist, ',');
 769                 if(c && (!cm || c < cm))
 770                         f->fallback_faces[i] = atoi(c+1);
 771                 else
 772                 {
 773                         f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
 774                         c = cm;
 775                 }
 776                 if(!c || (c-filelist) > MAX_QPATH)
 777                 {
 778                         strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
 779                 }
 780                 else
 781                 {
 782                         memcpy(f->fallbacks[i], filelist, c - filelist);
 783                         f->fallbacks[i][c - filelist] = 0;
 784                 }
 785         }
 786
 787         // for now: by default load only one size: the default size
 788         f->req_sizes[0] = 0;
 789         for(i = 1; i < MAX_FONT_SIZES; ++i)
 790                 f->req_sizes[i] = -1;
 791
 792         // for some reason this argc is 3 even when using 2 arguments here, maybe nexuiz screws up
 793         if(Cmd_Argc() >= 3)
 794         {
 795                 for(i = 0; i < Cmd_Argc()-3; ++i)
 796                 {
 797                         sz = atof(Cmd_Argv(i+3));
 798                         if (sz > 0.001f && sz < 1000.0f) // do not use crap sizes
 799                                 f->req_sizes[i] = sz;
 800                 }
 801         }
 802         LoadFont(true, mainfont, f);
 803 }
 804
 805 /*
 806 ===============
 807 Draw_Init
 808 ===============
 809 */
 810 static void gl_draw_start(void)
 811 {
 812         int i;
 813         drawtexturepool = R_AllocTexturePool();
 814
 815         numcachepics = 0;
 816         memset(cachepichash, 0, sizeof(cachepichash));
 817
 818         font_start();
 819
 820         for(i = 0; i < MAX_FONTS; ++i)
 821                 LoadFont(false, va("gfx/font_%s", dp_fonts[i].title), &dp_fonts[i]);
 822
 823         // draw the loading screen so people have something to see in the newly opened window
 824         SCR_UpdateLoadingScreen(true);
 825 }
 826
 827 static void gl_draw_shutdown(void)
 828 {
 829         font_shutdown();
 830
 831         R_FreeTexturePool(&drawtexturepool);
 832
 833         numcachepics = 0;
 834         memset(cachepichash, 0, sizeof(cachepichash));
 835 }
 836
 837 static void gl_draw_newmap(void)
 838 {
 839         font_newmap();
 840 }
 841
 842 void GL_Draw_Init (void)
 843 {
 844         int i, j;
 845         Cvar_RegisterVariable(&r_textshadow);
 846         Cvar_RegisterVariable(&r_textbrightness);
 847         Cvar_RegisterVariable(&r_textcontrast);
 848         Cmd_AddCommand ("loadfont",LoadFont_f, "loadfont function tganame loads a font; example: loadfont console gfx/veramono; loadfont without arguments lists the available functions");
 849         R_RegisterModule("GL_Draw", gl_draw_start, gl_draw_shutdown, gl_draw_newmap);
 850
 851         strlcpy(FONT_DEFAULT->title, "default", sizeof(FONT_DEFAULT->title));
 852                 strlcpy(FONT_DEFAULT->texpath, "gfx/conchars", sizeof(FONT_DEFAULT->texpath));
 853         strlcpy(FONT_CONSOLE->title, "console", sizeof(FONT_CONSOLE->title));
 854         strlcpy(FONT_SBAR->title, "sbar", sizeof(FONT_SBAR->title));
 855         strlcpy(FONT_NOTIFY->title, "notify", sizeof(FONT_NOTIFY->title));
 856         strlcpy(FONT_CHAT->title, "chat", sizeof(FONT_CHAT->title));
 857         strlcpy(FONT_CENTERPRINT->title, "centerprint", sizeof(FONT_CENTERPRINT->title));
 858         strlcpy(FONT_INFOBAR->title, "infobar", sizeof(FONT_INFOBAR->title));
 859         strlcpy(FONT_MENU->title, "menu", sizeof(FONT_MENU->title));
 860         for(i = 0, j = 0; i < MAX_USERFONTS; ++i)
 861                 if(!FONT_USER[i].title[0])
 862                         dpsnprintf(FONT_USER[i].title, sizeof(FONT_USER[i].title), "user%d", j++);
 863 }
 864
 865 void _DrawQ_Setup(void)
 866 {
 867         r_viewport_t viewport;
 868         if (r_refdef.draw2dstage)
 869                 return;
 870         r_refdef.draw2dstage = true;
 871         CHECKGLERROR
 872         R_Viewport_InitOrtho(&viewport, &identitymatrix, r_refdef.view.x, vid.height - r_refdef.view.y - r_refdef.view.height, r_refdef.view.width, r_refdef.view.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
 873         R_SetViewport(&viewport);
 874         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
 875         qglDepthFunc(GL_LEQUAL);CHECKGLERROR
 876         qglDisable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
 877         GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
 878         R_EntityMatrix(&identitymatrix);
 879
 880         GL_DepthMask(true);
 881         GL_DepthRange(0, 1);
 882         GL_PolygonOffset(0, 0);
 883         GL_DepthTest(false);
 884         GL_Color(1,1,1,1);
 885         GL_AlphaTest(false);
 886         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 887 }
 888
 889 static void _DrawQ_ProcessDrawFlag(int flags)
 890 {
 891         _DrawQ_Setup();
 892         CHECKGLERROR
 893         if(flags == DRAWFLAG_ADDITIVE)
 894                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
 895         else if(flags == DRAWFLAG_MODULATE)
 896                 GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
 897         else if(flags == DRAWFLAG_2XMODULATE)
 898                 GL_BlendFunc(GL_DST_COLOR,GL_SRC_COLOR);
 899         else if(flags == DRAWFLAG_SCREEN)
 900                 GL_BlendFunc(GL_ONE_MINUS_DST_COLOR,GL_ONE);
 901         else
 902                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 903 }
 904
 905 void DrawQ_Pic(float x, float y, cachepic_t *pic, float width, float height, float red, float green, float blue, float alpha, int flags)
 906 {
 907         float floats[20];
 908
 909         _DrawQ_ProcessDrawFlag(flags);
 910         GL_Color(red, green, blue, alpha);
 911
 912         R_Mesh_VertexPointer(floats, 0, 0);
 913         R_Mesh_ColorPointer(NULL, 0, 0);
 914         R_Mesh_ResetTextureState();
 915         if (pic)
 916         {
 917                 if (width == 0)
 918                         width = pic->width;
 919                 if (height == 0)
 920                         height = pic->height;
 921                 R_SetupShader_Generic(Draw_GetPicTexture(pic), NULL, GL_MODULATE, 1);
 922                 R_Mesh_TexCoordPointer(0, 2, floats + 12, 0, 0);
 923
 924 #if 1
 925                 floats[12] = 0.0f;floats[13] = 0.0f;
 926                 floats[14] = 1.0f;floats[15] = 0.0f;
 927                 floats[16] = 1.0f;floats[17] = 1.0f;
 928                 floats[18] = 0.0f;floats[19] = 1.0f;
 929 #else
 930       // AK07: lets be texel correct on the corners
 931       {
 932          float horz_offset = 0.5f / pic->width;
 933          float vert_offset = 0.5f / pic->height;
 934
 935                    floats[12] = 0.0f + horz_offset;floats[13] = 0.0f + vert_offset;
 936                    floats[14] = 1.0f - horz_offset;floats[15] = 0.0f + vert_offset;
 937                    floats[16] = 1.0f - horz_offset;floats[17] = 1.0f - vert_offset;
 938                    floats[18] = 0.0f + horz_offset;floats[19] = 1.0f - vert_offset;
 939       }
 940 #endif
 941         }
 942         else
 943                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
 944
 945         floats[2] = floats[5] = floats[8] = floats[11] = 0;
 946         floats[0] = floats[9] = x;
 947         floats[1] = floats[4] = y;
 948         floats[3] = floats[6] = x + width;
 949         floats[7] = floats[10] = y + height;
 950
 951         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
 952 }
 953
 954 void DrawQ_RotPic(float x, float y, cachepic_t *pic, float width, float height, float org_x, float org_y, float angle, float red, float green, float blue, float alpha, int flags)
 955 {
 956         float floats[20];
 957         float af = DEG2RAD(-angle); // forward
 958         float ar = DEG2RAD(-angle + 90); // right
 959         float sinaf = sin(af);
 960         float cosaf = cos(af);
 961         float sinar = sin(ar);
 962         float cosar = cos(ar);
 963
 964         _DrawQ_ProcessDrawFlag(flags);
 965         GL_Color(red, green, blue, alpha);
 966
 967         R_Mesh_VertexPointer(floats, 0, 0);
 968         R_Mesh_ColorPointer(NULL, 0, 0);
 969         R_Mesh_ResetTextureState();
 970         if (pic)
 971         {
 972                 if (width == 0)
 973                         width = pic->width;
 974                 if (height == 0)
 975                         height = pic->height;
 976                 R_SetupShader_Generic(Draw_GetPicTexture(pic), NULL, GL_MODULATE, 1);
 977                 R_Mesh_TexCoordPointer(0, 2, floats + 12, 0, 0);
 978
 979                 floats[12] = 0.0f;floats[13] = 0.0f;
 980                 floats[14] = 1.0f;floats[15] = 0.0f;
 981                 floats[16] = 1.0f;floats[17] = 1.0f;
 982                 floats[18] = 0.0f;floats[19] = 1.0f;
 983         }
 984         else
 985                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
 986
 987         floats[2] = floats[5] = floats[8] = floats[11] = 0;
 988
 989 // top left
 990         floats[0] = x - cosaf*org_x - cosar*org_y;
 991         floats[1] = y - sinaf*org_x - sinar*org_y;
 992
 993 // top right
 994         floats[3] = x + cosaf*(width-org_x) - cosar*org_y;
 995         floats[4] = y + sinaf*(width-org_x) - sinar*org_y;
 996
 997 // bottom right
 998         floats[6] = x + cosaf*(width-org_x) + cosar*(height-org_y);
 999         floats[7] = y + sinaf*(width-org_x) + sinar*(height-org_y);
1000
1001 // bottom left
1002         floats[9]  = x - cosaf*org_x + cosar*(height-org_y);
1003         floats[10] = y - sinaf*org_x + sinar*(height-org_y);
1004
1005         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1006 }
1007
1008 void DrawQ_Fill(float x, float y, float width, float height, float red, float green, float blue, float alpha, int flags)
1009 {
1010         float floats[12];
1011
1012         _DrawQ_ProcessDrawFlag(flags);
1013         GL_Color(red, green, blue, alpha);
1014
1015         R_Mesh_VertexPointer(floats, 0, 0);
1016         R_Mesh_ColorPointer(NULL, 0, 0);
1017         R_Mesh_ResetTextureState();
1018         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1019
1020         floats[2] = floats[5] = floats[8] = floats[11] = 0;
1021         floats[0] = floats[9] = x;
1022         floats[1] = floats[4] = y;
1023         floats[3] = floats[6] = x + width;
1024         floats[7] = floats[10] = y + height;
1025
1026         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1027 }
1028
1029 /// color tag printing
1030 static const vec4_t string_colors[] =
1031 {
1032         // Quake3 colors
1033         // LordHavoc: why on earth is cyan before magenta in Quake3?
1034         // LordHavoc: note: Doom3 uses white for [0] and [7]
1035         {0.0, 0.0, 0.0, 1.0}, // black
1036         {1.0, 0.0, 0.0, 1.0}, // red
1037         {0.0, 1.0, 0.0, 1.0}, // green
1038         {1.0, 1.0, 0.0, 1.0}, // yellow
1039         {0.0, 0.0, 1.0, 1.0}, // blue
1040         {0.0, 1.0, 1.0, 1.0}, // cyan
1041         {1.0, 0.0, 1.0, 1.0}, // magenta
1042         {1.0, 1.0, 1.0, 1.0}, // white
1043         // [515]'s BX_COLOREDTEXT extension
1044         {1.0, 1.0, 1.0, 0.5}, // half transparent
1045         {0.5, 0.5, 0.5, 1.0}  // half brightness
1046         // Black's color table
1047         //{1.0, 1.0, 1.0, 1.0},
1048         //{1.0, 0.0, 0.0, 1.0},
1049         //{0.0, 1.0, 0.0, 1.0},
1050         //{0.0, 0.0, 1.0, 1.0},
1051         //{1.0, 1.0, 0.0, 1.0},
1052         //{0.0, 1.0, 1.0, 1.0},
1053         //{1.0, 0.0, 1.0, 1.0},
1054         //{0.1, 0.1, 0.1, 1.0}
1055 };
1056
1057 #define STRING_COLORS_COUNT     (sizeof(string_colors) / sizeof(vec4_t))
1058
1059 static void DrawQ_GetTextColor(float color[4], int colorindex, float r, float g, float b, float a, qboolean shadow)
1060 {
1061         float C = r_textcontrast.value;
1062         float B = r_textbrightness.value;
1063         if (colorindex & 0x10000) // that bit means RGB color
1064         {
1065                 color[0] = ((colorindex >> 12) & 0xf) / 15.0;
1066                 color[1] = ((colorindex >> 8) & 0xf) / 15.0;
1067                 color[2] = ((colorindex >> 4) & 0xf) / 15.0;
1068                 color[3] = (colorindex & 0xf) / 15.0;
1069         }
1070         else
1071                 Vector4Copy(string_colors[colorindex], color);
1072         Vector4Set(color, color[0] * r * C + B, color[1] * g * C + B, color[2] * b * C + B, color[3] * a);
1073         if (shadow)
1074         {
1075                 float shadowalpha = (color[0]+color[1]+color[2]) * 0.8;
1076                 Vector4Set(color, 0, 0, 0, color[3] * bound(0, shadowalpha, 1));
1077         }
1078 }
1079
1080 // NOTE: this function always draws exactly one character if maxwidth <= 0
1081 float DrawQ_TextWidth_UntilWidth_TrackColors_Scale(const char *text, size_t *maxlen, float w, float h, float sw, float sh, int *outcolor, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxwidth)
1082 {
1083         const char *text_start = text;
1084         int colorindex = STRING_COLOR_DEFAULT;
1085         size_t i;
1086         float x = 0;
1087         Uchar ch, mapch, nextch;
1088         Uchar prevch = 0; // used for kerning
1089         int tempcolorindex;
1090         float kx;
1091         int map_index = 0;
1092         size_t bytes_left;
1093         ft2_font_map_t *fontmap = NULL;
1094         ft2_font_map_t *map = NULL;
1095         ft2_font_map_t *prevmap = NULL;
1096         ft2_font_t *ft2 = fnt->ft2;
1097         // float ftbase_x;
1098         qboolean snap = true;
1099         qboolean least_one = false;
1100         float dw, dh; // display w/h
1101         float width_of_factor;
1102         const float *width_of;
1103
1104         if (!h) h = w;
1105         if (!h) {
1106                 w = h = 1;
1107                 snap = false;
1108         }
1109         // do this in the end
1110         w *= fnt->scale;
1111         h *= fnt->scale;
1112
1113         // find the most fitting size:
1114         if (ft2 != NULL)
1115         {
1116                 if (snap)
1117                         map_index = Font_IndexForSize(ft2, h, &w, &h);
1118                 else
1119                         map_index = Font_IndexForSize(ft2, h, NULL, NULL);
1120                 fontmap = Font_MapForIndex(ft2, map_index);
1121         }
1122
1123         dw = w * sw;
1124         dh = h * sh;
1125
1126         if (*maxlen < 1)
1127                 *maxlen = 1<<30;
1128
1129         if (!outcolor || *outcolor == -1)
1130                 colorindex = STRING_COLOR_DEFAULT;
1131         else
1132                 colorindex = *outcolor;
1133
1134         // maxwidth /= fnt->scale; // w and h are multiplied by it already
1135         // ftbase_x = snap_to_pixel_x(0);
1136
1137         if(maxwidth <= 0)
1138         {
1139                 least_one = true;
1140                 maxwidth = -maxwidth;
1141         }
1142
1143         //if (snap)
1144         //      x = snap_to_pixel_x(x, 0.4); // haha, it's 0 anyway
1145
1146         if (fontmap)
1147         {
1148                 width_of_factor = 1;
1149                 width_of = fontmap->width_of;
1150         }
1151         else
1152         {
1153                 width_of_factor = dw;
1154                 width_of = fnt->width_of;
1155         }
1156
1157         for (i = 0;((bytes_left = *maxlen - (text - text_start)) > 0) && *text;)
1158         {
1159                 size_t i0 = i;
1160                 nextch = ch = u8_getnchar(text, &text, bytes_left);
1161                 i = text - text_start;
1162                 if (!ch)
1163                         break;
1164                 if (ch == ' ' && !fontmap)
1165                 {
1166                         if(!least_one || i0) // never skip the first character
1167                         if(x + width_of[(int) ' '] * width_of_factor > maxwidth)
1168                         {
1169                                 i = i0;
1170                                 break; // oops, can't draw this
1171                         }
1172                         x += width_of[(int) ' '] * width_of_factor;
1173                         continue;
1174                 }
1175                 // i points to the char after ^
1176                 if (ch == STRING_COLOR_TAG && !ignorecolorcodes && i < *maxlen)
1177                 {
1178                         ch = *text; // colors are ascii, so no u8_ needed
1179                         if (ch <= '9' && ch >= '0') // ^[0-9] found
1180                         {
1181                                 colorindex = ch - '0';
1182                                 ++text;
1183                                 ++i;
1184                                 continue;
1185                         }
1186                         // i points to the char after ^...
1187                         // i+3 points to 3 in ^x123
1188                         // i+3 == *maxlen would mean that char is missing
1189                         else if (ch == STRING_COLOR_RGB_TAG_CHAR && i + 3 < *maxlen ) // ^x found
1190                         {
1191                                 // building colorindex...
1192                                 ch = tolower(text[1]);
1193                                 tempcolorindex = 0x10000; // binary: 1,0000,0000,0000,0000
1194                                 if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 12;
1195                                 else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 12;
1196                                 else tempcolorindex = 0;
1197                                 if (tempcolorindex)
1198                                 {
1199                                         ch = tolower(text[2]);
1200                                         if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 8;
1201                                         else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 8;
1202                                         else tempcolorindex = 0;
1203                                         if (tempcolorindex)
1204                                         {
1205                                                 ch = tolower(text[3]);
1206                                                 if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 4;
1207                                                 else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 4;
1208                                                 else tempcolorindex = 0;
1209                                                 if (tempcolorindex)
1210                                                 {
1211                                                         colorindex = tempcolorindex | 0xf;
1212                                                         // ...done! now colorindex has rgba codes (1,rrrr,gggg,bbbb,aaaa)
1213                                                         i+=4;
1214                                                         text += 4;
1215                                                         continue;
1216                                                 }
1217                                         }
1218                                 }
1219                         }
1220                         else if (ch == STRING_COLOR_TAG) // ^^ found, ignore the first ^ and go to print the second
1221                         {
1222                                 i++;
1223                                 text++;
1224                         }
1225                         i--;
1226                 }
1227                 ch = nextch;
1228
1229                 if (!fontmap || (ch <= 0xFF && fontmap->glyphs[ch].image) || (ch >= 0xE000 && ch <= 0xE0FF))
1230                 {
1231                         if (ch > 0xE000)
1232                                 ch -= 0xE000;
1233                         if (ch > 0xFF)
1234                                 continue;
1235                         if (fontmap)
1236                                 map = ft2_oldstyle_map;
1237                         prevch = 0;
1238                         if(!least_one || i0) // never skip the first character
1239                         if(x + width_of[ch] * width_of_factor > maxwidth)
1240                         {
1241                                 i = i0;
1242                                 break; // oops, can't draw this
1243                         }
1244                         x += width_of[ch] * width_of_factor;
1245                 } else {
1246                         if (!map || map == ft2_oldstyle_map || map->start < ch || map->start + FONT_CHARS_PER_MAP >= ch)
1247                         {
1248                                 map = FontMap_FindForChar(fontmap, ch);
1249                                 if (!map)
1250                                 {
1251                                         if (!Font_LoadMapForIndex(ft2, map_index, ch, &map))
1252                                                 break;
1253                                         if (!map)
1254                                                 break;
1255                                 }
1256                         }
1257                         mapch = ch - map->start;
1258                         if (prevch && Font_GetKerningForMap(ft2, map_index, w, h, prevch, ch, &kx, NULL))
1259                                 x += kx * dw;
1260                         x += map->glyphs[mapch].advance_x * dw;
1261                         prevmap = map;
1262                         prevch = ch;
1263                 }
1264         }
1265
1266         *maxlen = i;
1267
1268         if (outcolor)
1269                 *outcolor = colorindex;
1270
1271         return x;
1272 }
1273
1274 float DrawQ_String_Scale(float startx, float starty, const char *text, size_t maxlen, float w, float h, float sw, float sh, float basered, float basegreen, float baseblue, float basealpha, int flags, int *outcolor, qboolean ignorecolorcodes, const dp_font_t *fnt)
1275 {
1276         int shadow, colorindex = STRING_COLOR_DEFAULT;
1277         size_t i;
1278         float x = startx, y, s, t, u, v, thisw;
1279         float *av, *at, *ac;
1280         float color[4];
1281         int batchcount;
1282         static float vertex3f[QUADELEMENTS_MAXQUADS*4*3];
1283         static float texcoord2f[QUADELEMENTS_MAXQUADS*4*2];
1284         static float color4f[QUADELEMENTS_MAXQUADS*4*4];
1285         Uchar ch, mapch, nextch;
1286         Uchar prevch = 0; // used for kerning
1287         int tempcolorindex;
1288         int map_index = 0;
1289         ft2_font_map_t *prevmap = NULL; // the previous map
1290         ft2_font_map_t *map = NULL;     // the currently used map
1291         ft2_font_map_t *fontmap = NULL; // the font map for the size
1292         float ftbase_y;
1293         const char *text_start = text;
1294         float kx, ky;
1295         ft2_font_t *ft2 = fnt->ft2;
1296         qboolean snap = true;
1297         float pix_x, pix_y;
1298         size_t bytes_left;
1299         float dw, dh;
1300         float width_of_factor;
1301         const float *width_of;
1302
1303         int tw, th;
1304         tw = R_TextureWidth(fnt->tex);
1305         th = R_TextureHeight(fnt->tex);
1306
1307         if (!h) h = w;
1308         if (!h) {
1309                 h = w = 1;
1310                 snap = false;
1311         }
1312
1313         starty -= (fnt->scale - 1) * h * 0.5; // center
1314         w *= fnt->scale;
1315         h *= fnt->scale;
1316
1317         if (ft2 != NULL)
1318         {
1319                 if (snap)
1320                         map_index = Font_IndexForSize(ft2, h, &w, &h);
1321                 else
1322                         map_index = Font_IndexForSize(ft2, h, NULL, NULL);
1323                 fontmap = Font_MapForIndex(ft2, map_index);
1324         }
1325
1326         dw = w * sw;
1327         dh = h * sh;
1328
1329         // draw the font at its baseline when using freetype
1330         //ftbase_x = 0;
1331         ftbase_y = dh * (4.5/6.0);
1332
1333         if (maxlen < 1)
1334                 maxlen = 1<<30;
1335
1336         _DrawQ_ProcessDrawFlag(flags);
1337
1338         R_Mesh_ColorPointer(color4f, 0, 0);
1339         R_Mesh_ResetTextureState();
1340         if (!fontmap)
1341                 R_Mesh_TexBind(0, fnt->tex);
1342         R_Mesh_TexCoordPointer(0, 2, texcoord2f, 0, 0);
1343         R_Mesh_VertexPointer(vertex3f, 0, 0);
1344         R_SetupShader_Generic(fnt->tex, NULL, GL_MODULATE, 1);
1345
1346         ac = color4f;
1347         at = texcoord2f;
1348         av = vertex3f;
1349         batchcount = 0;
1350
1351         //ftbase_x = snap_to_pixel_x(ftbase_x);
1352         if(snap)
1353         {
1354                 startx = snap_to_pixel_x(startx, 0.4);
1355                 starty = snap_to_pixel_y(starty, 0.4);
1356                 ftbase_y = snap_to_pixel_y(ftbase_y, 0.3);
1357         }
1358
1359         pix_x = vid.width / vid_conwidth.value;
1360         pix_y = vid.height / vid_conheight.value;
1361
1362         if (fontmap)
1363         {
1364                 width_of_factor = 1;
1365                 width_of = fontmap->width_of;
1366         }
1367         else
1368         {
1369                 width_of_factor = dw;
1370                 width_of = fnt->width_of;
1371         }
1372
1373         for (shadow = r_textshadow.value != 0 && basealpha > 0;shadow >= 0;shadow--)
1374         {
1375                 prevch = 0;
1376                 text = text_start;
1377
1378                 if (!outcolor || *outcolor == -1)
1379                         colorindex = STRING_COLOR_DEFAULT;
1380                 else
1381                         colorindex = *outcolor;
1382
1383                 DrawQ_GetTextColor(color, colorindex, basered, basegreen, baseblue, basealpha, shadow != 0);
1384
1385                 x = startx;
1386                 y = starty;
1387                 /*
1388                 if (shadow)
1389                 {
1390                         x += r_textshadow.value * vid.width / vid_conwidth.value;
1391                         y += r_textshadow.value * vid.height / vid_conheight.value;
1392                 }
1393                 */
1394                 for (i = 0;((bytes_left = maxlen - (text - text_start)) > 0) && *text;)
1395                 {
1396                         nextch = ch = u8_getnchar(text, &text, bytes_left);
1397                         i = text - text_start;
1398                         if (!ch)
1399                                 break;
1400                         if (ch == ' ' && !fontmap)
1401                         {
1402                                 x += width_of[(int) ' '] * width_of_factor;
1403                                 continue;
1404                         }
1405                         if (ch == STRING_COLOR_TAG && !ignorecolorcodes && i < maxlen)
1406                         {
1407                                 ch = *text; // colors are ascii, so no u8_ needed
1408                                 if (ch <= '9' && ch >= '0') // ^[0-9] found
1409                                 {
1410                                         colorindex = ch - '0';
1411                                         DrawQ_GetTextColor(color, colorindex, basered, basegreen, baseblue, basealpha, shadow != 0);
1412                                         ++text;
1413                                         ++i;
1414                                         continue;
1415                                 }
1416                                 else if (ch == STRING_COLOR_RGB_TAG_CHAR && i+3 < maxlen ) // ^x found
1417                                 {
1418                                         // building colorindex...
1419                                         ch = tolower(text[1]);
1420                                         tempcolorindex = 0x10000; // binary: 1,0000,0000,0000,0000
1421                                         if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 12;
1422                                         else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 12;
1423                                         else tempcolorindex = 0;
1424                                         if (tempcolorindex)
1425                                         {
1426                                                 ch = tolower(text[2]);
1427                                                 if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 8;
1428                                                 else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 8;
1429                                                 else tempcolorindex = 0;
1430                                                 if (tempcolorindex)
1431                                                 {
1432                                                         ch = tolower(text[3]);
1433                                                         if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 4;
1434                                                         else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 4;
1435                                                         else tempcolorindex = 0;
1436                                                         if (tempcolorindex)
1437                                                         {
1438                                                                 colorindex = tempcolorindex | 0xf;
1439                                                                 // ...done! now colorindex has rgba codes (1,rrrr,gggg,bbbb,aaaa)
1440                                                                 //Con_Printf("^1colorindex:^7 %x\n", colorindex);
1441                                                                 DrawQ_GetTextColor(color, colorindex, basered, basegreen, baseblue, basealpha, shadow != 0);
1442                                                                 i+=4;
1443                                                                 text+=4;
1444                                                                 continue;
1445                                                         }
1446                                                 }
1447                                         }
1448                                 }
1449                                 else if (ch == STRING_COLOR_TAG)
1450                                 {
1451                                         i++;
1452                                         text++;
1453                                 }
1454                                 i--;
1455                         }
1456                         // get the backup
1457                         ch = nextch;
1458                         // using a value of -1 for the oldstyle map because NULL means uninitialized...
1459                         // this way we don't need to rebind fnt->tex for every old-style character
1460                         // E000..E0FF: emulate old-font characters (to still have smileys and such available)
1461                         if (shadow)
1462                         {
1463                                 x += 1.0/pix_x * r_textshadow.value;
1464                                 y += 1.0/pix_y * r_textshadow.value;
1465                         }
1466                         if (!fontmap || (ch <= 0xFF && fontmap->glyphs[ch].image) || (ch >= 0xE000 && ch <= 0xE0FF))
1467                         {
1468                                 if (ch > 0xE000)
1469                                         ch -= 0xE000;
1470                                 if (ch > 0xFF)
1471                                         continue;
1472                                 if (fontmap)
1473                                 {
1474                                         if (map != ft2_oldstyle_map)
1475                                         {
1476                                                 if (batchcount)
1477                                                 {
1478                                                         // switching from freetype to non-freetype rendering
1479                                                         GL_LockArrays(0, batchcount * 4);
1480                                                         R_Mesh_Draw(0, batchcount * 4, 0, batchcount * 2, quadelement3i, quadelement3s, 0, 0);
1481                                                         GL_LockArrays(0, 0);
1482                                                         batchcount = 0;
1483                                                         ac = color4f;
1484                                                         at = texcoord2f;
1485                                                         av = vertex3f;
1486                                                 }
1487                                                 R_SetupShader_Generic(fnt->tex, NULL, GL_MODULATE, 1);
1488                                                 map = ft2_oldstyle_map;
1489                                         }
1490                                 }
1491                                 prevch = 0;
1492                                 //num = (unsigned char) text[i];
1493                                 //thisw = fnt->width_of[num];
1494                                 thisw = fnt->width_of[ch];
1495                                 // FIXME make these smaller to just include the occupied part of the character for slightly faster rendering
1496                                 s = (ch & 15)*0.0625f + (0.5f / tw);
1497                                 t = (ch >> 4)*0.0625f + (0.5f / th);
1498                                 u = 0.0625f * thisw - (1.0f / tw);
1499                                 v = 0.0625f - (1.0f / th);
1500                                 ac[ 0] = color[0];ac[ 1] = color[1];ac[ 2] = color[2];ac[ 3] = color[3];
1501                                 ac[ 4] = color[0];ac[ 5] = color[1];ac[ 6] = color[2];ac[ 7] = color[3];
1502                                 ac[ 8] = color[0];ac[ 9] = color[1];ac[10] = color[2];ac[11] = color[3];
1503                                 ac[12] = color[0];ac[13] = color[1];ac[14] = color[2];ac[15] = color[3];
1504                                 at[ 0] = s              ; at[ 1] = t    ;
1505                                 at[ 2] = s+u    ; at[ 3] = t    ;
1506                                 at[ 4] = s+u    ; at[ 5] = t+v  ;
1507                                 at[ 6] = s              ; at[ 7] = t+v  ;
1508                                 av[ 0] = x                      ; av[ 1] = y    ; av[ 2] = 10;
1509                                 av[ 3] = x+dw*thisw     ; av[ 4] = y    ; av[ 5] = 10;
1510                                 av[ 6] = x+dw*thisw     ; av[ 7] = y+dh ; av[ 8] = 10;
1511                                 av[ 9] = x                      ; av[10] = y+dh ; av[11] = 10;
1512                                 ac += 16;
1513                                 at += 8;
1514                                 av += 12;
1515                                 batchcount++;
1516                                 if (batchcount >= QUADELEMENTS_MAXQUADS)
1517                                 {
1518                                         GL_LockArrays(0, batchcount * 4);
1519                                         R_Mesh_Draw(0, batchcount * 4, 0, batchcount * 2, quadelement3i, quadelement3s, 0, 0);
1520                                         GL_LockArrays(0, 0);
1521                                         batchcount = 0;
1522                                         ac = color4f;
1523                                         at = texcoord2f;
1524                                         av = vertex3f;
1525                                 }
1526                                 x += width_of[ch] * width_of_factor;
1527                         } else {
1528                                 if (!map || map == ft2_oldstyle_map || map->start < ch || map->start + FONT_CHARS_PER_MAP >= ch)
1529                                 {
1530                                         // new charmap - need to render
1531                                         if (batchcount)
1532                                         {
1533                                                 // we need a different character map, render what we currently have:
1534                                                 GL_LockArrays(0, batchcount * 4);
1535                                                 R_Mesh_Draw(0, batchcount * 4, 0, batchcount * 2, quadelement3i, quadelement3s, 0, 0);
1536                                                 GL_LockArrays(0, 0);
1537                                                 batchcount = 0;
1538                                                 ac = color4f;
1539                                                 at = texcoord2f;
1540                                                 av = vertex3f;
1541                                         }
1542                                         // find the new map
1543                                         map = FontMap_FindForChar(fontmap, ch);
1544                                         if (!map)
1545                                         {
1546                                                 if (!Font_LoadMapForIndex(ft2, map_index, ch, &map))
1547                                                 {
1548                                                         shadow = -1;
1549                                                         break;
1550                                                 }
1551                                                 if (!map)
1552                                                 {
1553                                                         // this shouldn't happen
1554                                                         shadow = -1;
1555                                                         break;
1556                                                 }
1557                                         }
1558                                         R_SetupShader_Generic(map->texture, NULL, GL_MODULATE, 1);
1559                                 }
1560
1561                                 mapch = ch - map->start;
1562                                 thisw = map->glyphs[mapch].advance_x;
1563
1564                                 //x += ftbase_x;
1565                                 y += ftbase_y;
1566                                 if (prevch && Font_GetKerningForMap(ft2, map_index, w, h, prevch, ch, &kx, &ky))
1567                                 {
1568                                         x += kx * dw;
1569                                         y += ky * dh;
1570                                 }
1571                                 else
1572                                         kx = ky = 0;
1573                                 ac[ 0] = color[0]; ac[ 1] = color[1]; ac[ 2] = color[2]; ac[ 3] = color[3];
1574                                 ac[ 4] = color[0]; ac[ 5] = color[1]; ac[ 6] = color[2]; ac[ 7] = color[3];
1575                                 ac[ 8] = color[0]; ac[ 9] = color[1]; ac[10] = color[2]; ac[11] = color[3];
1576                                 ac[12] = color[0]; ac[13] = color[1]; ac[14] = color[2]; ac[15] = color[3];
1577                                 at[0] = map->glyphs[mapch].txmin; at[1] = map->glyphs[mapch].tymin;
1578                                 at[2] = map->glyphs[mapch].txmax; at[3] = map->glyphs[mapch].tymin;
1579                                 at[4] = map->glyphs[mapch].txmax; at[5] = map->glyphs[mapch].tymax;
1580                                 at[6] = map->glyphs[mapch].txmin; at[7] = map->glyphs[mapch].tymax;
1581                                 av[ 0] = x + dw * map->glyphs[mapch].vxmin; av[ 1] = y + dh * map->glyphs[mapch].vymin; av[ 2] = 10;
1582                                 av[ 3] = x + dw * map->glyphs[mapch].vxmax; av[ 4] = y + dh * map->glyphs[mapch].vymin; av[ 5] = 10;
1583                                 av[ 6] = x + dw * map->glyphs[mapch].vxmax; av[ 7] = y + dh * map->glyphs[mapch].vymax; av[ 8] = 10;
1584                                 av[ 9] = x + dw * map->glyphs[mapch].vxmin; av[10] = y + dh * map->glyphs[mapch].vymax; av[11] = 10;
1585                                 //x -= ftbase_x;
1586                                 y -= ftbase_y;
1587
1588                                 x += thisw * dw;
1589                                 ac += 16;
1590                                 at += 8;
1591                                 av += 12;
1592                                 batchcount++;
1593                                 if (batchcount >= QUADELEMENTS_MAXQUADS)
1594                                 {
1595                                         GL_LockArrays(0, batchcount * 4);
1596                                         R_Mesh_Draw(0, batchcount * 4, 0, batchcount * 2, quadelement3i, quadelement3s, 0, 0);
1597                                         GL_LockArrays(0, 0);
1598                                         batchcount = 0;
1599                                         ac = color4f;
1600                                         at = texcoord2f;
1601                                         av = vertex3f;
1602                                 }
1603
1604                                 prevmap = map;
1605                                 prevch = ch;
1606                         }
1607                         if (shadow)
1608                         {
1609                                 x -= 1.0/pix_x * r_textshadow.value;
1610                                 y -= 1.0/pix_y * r_textshadow.value;
1611                         }
1612                 }
1613         }
1614         if (batchcount > 0)
1615         {
1616                 GL_LockArrays(0, batchcount * 4);
1617                 R_Mesh_Draw(0, batchcount * 4, 0, batchcount * 2, quadelement3i, quadelement3s, 0, 0);
1618                 GL_LockArrays(0, 0);
1619         }
1620
1621         if (outcolor)
1622                 *outcolor = colorindex;
1623
1624         // note: this relies on the proper text (not shadow) being drawn last
1625         return x;
1626 }
1627
1628 float DrawQ_String(float startx, float starty, const char *text, size_t maxlen, float w, float h, float basered, float basegreen, float baseblue, float basealpha, int flags, int *outcolor, qboolean ignorecolorcodes, const dp_font_t *fnt)
1629 {
1630         return DrawQ_String_Scale(startx, starty, text, maxlen, w, h, 1, 1, basered, basegreen, baseblue, basealpha, flags, outcolor, ignorecolorcodes, fnt);
1631 }
1632
1633 float DrawQ_TextWidth_UntilWidth_TrackColors(const char *text, size_t *maxlen, float w, float h, int *outcolor, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxwidth)
1634 {
1635         return DrawQ_TextWidth_UntilWidth_TrackColors_Scale(text, maxlen, w, h, 1, 1, outcolor, ignorecolorcodes, fnt, maxwidth);
1636 }
1637
1638 float DrawQ_TextWidth(const char *text, size_t maxlen, float w, float h, qboolean ignorecolorcodes, const dp_font_t *fnt)
1639 {
1640         return DrawQ_TextWidth_UntilWidth(text, &maxlen, w, h, ignorecolorcodes, fnt, 1000000000);
1641 }
1642
1643 float DrawQ_TextWidth_UntilWidth(const char *text, size_t *maxlen, float w, float h, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxWidth)
1644 {
1645         return DrawQ_TextWidth_UntilWidth_TrackColors(text, maxlen, w, h, NULL, ignorecolorcodes, fnt, maxWidth);
1646 }
1647
1648 #if 0
1649 // not used
1650 // no ^xrgb management
1651 static int DrawQ_BuildColoredText(char *output2c, size_t maxoutchars, const char *text, int maxreadchars, qboolean ignorecolorcodes, int *outcolor)
1652 {
1653         int color, numchars = 0;
1654         char *outputend2c = output2c + maxoutchars - 2;
1655         if (!outcolor || *outcolor == -1)
1656                 color = STRING_COLOR_DEFAULT;
1657         else
1658                 color = *outcolor;
1659         if (!maxreadchars)
1660                 maxreadchars = 1<<30;
1661         textend = text + maxreadchars;
1662         while (text != textend && *text)
1663         {
1664                 if (*text == STRING_COLOR_TAG && !ignorecolorcodes && text + 1 != textend)
1665                 {
1666                         if (text[1] == STRING_COLOR_TAG)
1667                                 text++;
1668                         else if (text[1] >= '0' && text[1] <= '9')
1669                         {
1670                                 color = text[1] - '0';
1671                                 text += 2;
1672                                 continue;
1673                         }
1674                 }
1675                 if (output2c >= outputend2c)
1676                         break;
1677                 *output2c++ = *text++;
1678                 *output2c++ = color;
1679                 numchars++;
1680         }
1681         output2c[0] = output2c[1] = 0;
1682         if (outcolor)
1683                 *outcolor = color;
1684         return numchars;
1685 }
1686 #endif
1687
1688 void DrawQ_SuperPic(float x, float y, cachepic_t *pic, 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)
1689 {
1690         float floats[36];
1691
1692         _DrawQ_ProcessDrawFlag(flags);
1693
1694         R_Mesh_VertexPointer(floats, 0, 0);
1695         R_Mesh_ColorPointer(floats + 20, 0, 0);
1696         R_Mesh_ResetTextureState();
1697         if (pic)
1698         {
1699                 if (width == 0)
1700                         width = pic->width;
1701                 if (height == 0)
1702                         height = pic->height;
1703                 R_SetupShader_Generic(Draw_GetPicTexture(pic), NULL, GL_MODULATE, 1);
1704                 R_Mesh_TexCoordPointer(0, 2, floats + 12, 0, 0);
1705                 floats[12] = s1;floats[13] = t1;
1706                 floats[14] = s2;floats[15] = t2;
1707                 floats[16] = s4;floats[17] = t4;
1708                 floats[18] = s3;floats[19] = t3;
1709         }
1710         else
1711                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1712
1713         floats[2] = floats[5] = floats[8] = floats[11] = 0;
1714         floats[0] = floats[9] = x;
1715         floats[1] = floats[4] = y;
1716         floats[3] = floats[6] = x + width;
1717         floats[7] = floats[10] = y + height;
1718         floats[20] = r1;floats[21] = g1;floats[22] = b1;floats[23] = a1;
1719         floats[24] = r2;floats[25] = g2;floats[26] = b2;floats[27] = a2;
1720         floats[28] = r4;floats[29] = g4;floats[30] = b4;floats[31] = a4;
1721         floats[32] = r3;floats[33] = g3;floats[34] = b3;floats[35] = a3;
1722
1723         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1724 }
1725
1726 void DrawQ_Mesh (drawqueuemesh_t *mesh, int flags)
1727 {
1728         _DrawQ_ProcessDrawFlag(flags);
1729
1730         R_Mesh_VertexPointer(mesh->data_vertex3f, 0, 0);
1731         R_Mesh_ColorPointer(mesh->data_color4f, 0, 0);
1732         R_Mesh_ResetTextureState();
1733         R_Mesh_TexCoordPointer(0, 2, mesh->data_texcoord2f, 0, 0);
1734         R_SetupShader_Generic(mesh->texture, NULL, GL_MODULATE, 1);
1735
1736         GL_LockArrays(0, mesh->num_vertices);
1737         R_Mesh_Draw(0, mesh->num_vertices, 0, mesh->num_triangles, mesh->data_element3i, mesh->data_element3s, 0, 0);
1738         GL_LockArrays(0, 0);
1739 }
1740
1741 void DrawQ_LineLoop (drawqueuemesh_t *mesh, int flags)
1742 {
1743         int num;
1744
1745         _DrawQ_ProcessDrawFlag(flags);
1746
1747         GL_Color(1,1,1,1);
1748         CHECKGLERROR
1749         qglBegin(GL_LINE_LOOP);
1750         for (num = 0;num < mesh->num_vertices;num++)
1751         {
1752                 if (mesh->data_color4f)
1753                         GL_Color(mesh->data_color4f[num*4+0], mesh->data_color4f[num*4+1], mesh->data_color4f[num*4+2], mesh->data_color4f[num*4+3]);
1754                 qglVertex2f(mesh->data_vertex3f[num*3+0], mesh->data_vertex3f[num*3+1]);
1755         }
1756         qglEnd();
1757         CHECKGLERROR
1758 }
1759
1760 //[515]: this is old, delete
1761 void DrawQ_Line (float width, float x1, float y1, float x2, float y2, float r, float g, float b, float alpha, int flags)
1762 {
1763         _DrawQ_ProcessDrawFlag(flags);
1764
1765         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1766
1767         CHECKGLERROR
1768         //qglLineWidth(width);CHECKGLERROR
1769
1770         GL_Color(r,g,b,alpha);
1771         CHECKGLERROR
1772         qglBegin(GL_LINES);
1773         qglVertex2f(x1, y1);
1774         qglVertex2f(x2, y2);
1775         qglEnd();
1776         CHECKGLERROR
1777 }
1778
1779 void DrawQ_SetClipArea(float x, float y, float width, float height)
1780 {
1781         int ix, iy, iw, ih;
1782         _DrawQ_Setup();
1783
1784         // We have to convert the con coords into real coords
1785         // OGL uses top to bottom
1786         ix = (int)(0.5 + x * ((float)vid.width / vid_conwidth.integer));
1787         iy = (int)(0.5 + y * ((float) vid.height / vid_conheight.integer));
1788         iw = (int)(width * ((float)vid.width / vid_conwidth.integer));
1789         ih = (int)(height * ((float)vid.height / vid_conheight.integer));
1790         GL_Scissor(ix, vid.height - iy - ih, iw, ih);
1791
1792         GL_ScissorTest(true);
1793 }
1794
1795 void DrawQ_ResetClipArea(void)
1796 {
1797         _DrawQ_Setup();
1798         GL_ScissorTest(false);
1799 }
1800
1801 void DrawQ_Finish(void)
1802 {
1803         r_refdef.draw2dstage = false;
1804 }
1805
1806 static float blendvertex3f[9] = {-5000, -5000, 10, 10000, -5000, 10, -5000, 10000, 10};
1807 void R_DrawGamma(void)
1808 {
1809         float c[4];
1810         switch(vid.renderpath)
1811         {
1812         case RENDERPATH_GL20:
1813         case RENDERPATH_CGGL:
1814                 if (vid_usinghwgamma || v_glslgamma.integer)
1815                         return;
1816                 break;
1817         case RENDERPATH_GL13:
1818         case RENDERPATH_GL11:
1819                 if (vid_usinghwgamma)
1820                         return;
1821                 break;
1822         }
1823         // all the blends ignore depth
1824         R_Mesh_VertexPointer(blendvertex3f, 0, 0);
1825         R_Mesh_ColorPointer(NULL, 0, 0);
1826         R_Mesh_ResetTextureState();
1827         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1828         GL_DepthMask(true);
1829         GL_DepthRange(0, 1);
1830         GL_PolygonOffset(0, 0);
1831         GL_DepthTest(false);
1832         if (v_color_enable.integer)
1833         {
1834                 c[0] = v_color_white_r.value;
1835                 c[1] = v_color_white_g.value;
1836                 c[2] = v_color_white_b.value;
1837         }
1838         else
1839                 c[0] = c[1] = c[2] = v_contrast.value;
1840         if (c[0] >= 1.01f || c[1] >= 1.01f || c[2] >= 1.01f)
1841         {
1842                 GL_BlendFunc(GL_DST_COLOR, GL_ONE);
1843                 while (c[0] >= 1.01f || c[1] >= 1.01f || c[2] >= 1.01f)
1844                 {
1845                         GL_Color(bound(0, c[0] - 1, 1), bound(0, c[1] - 1, 1), bound(0, c[2] - 1, 1), 1);
1846                         R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, polygonelement3s, 0, 0);
1847                         VectorScale(c, 0.5, c);
1848                 }
1849         }
1850         if (v_color_enable.integer)
1851         {
1852                 c[0] = v_color_black_r.value;
1853                 c[1] = v_color_black_g.value;
1854                 c[2] = v_color_black_b.value;
1855         }
1856         else
1857                 c[0] = c[1] = c[2] = v_brightness.value;
1858         if (c[0] >= 0.01f || c[1] >= 0.01f || c[2] >= 0.01f)
1859         {
1860                 GL_BlendFunc(GL_ONE, GL_ONE);
1861                 GL_Color(c[0], c[1], c[2], 1);
1862                 R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, polygonelement3s, 0, 0);
1863         }
1864 }
1865