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gl_draw.c
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gl_draw.c
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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "quakedef.h"
#include "image.h"
#include "wad.h"
#include "cl_video.h"
#include "cl_dyntexture.h"
#include "ft2.h"
#include "ft2_fontdefs.h"
dp_font_t dp_fonts[MAX_FONTS] = {{0}};
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)"};
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)"};
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)"};
cvar_t r_font_postprocess_blur = {CVAR_SAVE, "r_font_postprocess_blur", "0", "font blur amount"};
cvar_t r_font_postprocess_outline = {CVAR_SAVE, "r_font_postprocess_outline", "0", "font outline amount"};
cvar_t r_font_postprocess_shadow_x = {CVAR_SAVE, "r_font_postprocess_shadow_x", "0", "font shadow X shift amount, applied during outlining"};
cvar_t r_font_postprocess_shadow_y = {CVAR_SAVE, "r_font_postprocess_shadow_y", "0", "font shadow Y shift amount, applied during outlining"};
cvar_t r_font_postprocess_shadow_z = {CVAR_SAVE, "r_font_postprocess_shadow_z", "0", "font shadow Z shift amount, applied during blurring"};
cvar_t r_font_hinting = {CVAR_SAVE, "r_font_hinting", "3", "0 = no hinting, 1 = light autohinting, 2 = full autohinting, 3 = full hinting"};
cvar_t r_font_antialias = {CVAR_SAVE, "r_font_antialias", "1", "0 = monochrome, 1 = grey" /* , 2 = rgb, 3 = bgr" */};
extern cvar_t v_glslgamma;
//=============================================================================
/* Support Routines */
#define FONT_FILESIZE 13468
static cachepic_t *cachepichash[CACHEPICHASHSIZE];
static cachepic_t cachepics[MAX_CACHED_PICS];
static int numcachepics;
static rtexturepool_t *drawtexturepool;
static const unsigned char concharimage[FONT_FILESIZE] =
{
#include "lhfont.h"
};
static rtexture_t *draw_generateconchars(void)
{
int i;
unsigned char *data;
double random;
rtexture_t *tex;
data = LoadTGA_BGRA (concharimage, FONT_FILESIZE);
// Gold numbers
for (i = 0;i < 8192;i++)
{
random = lhrandom (0.0,1.0);
data[i*4+3] = data[i*4+0];
data[i*4+2] = 83 + (unsigned char)(random * 64);
data[i*4+1] = 71 + (unsigned char)(random * 32);
data[i*4+0] = 23 + (unsigned char)(random * 16);
}
// White chars
for (i = 8192;i < 32768;i++)
{
random = lhrandom (0.0,1.0);
data[i*4+3] = data[i*4+0];
data[i*4+2] = 95 + (unsigned char)(random * 64);
data[i*4+1] = 95 + (unsigned char)(random * 64);
data[i*4+0] = 95 + (unsigned char)(random * 64);
}
// Gold numbers
for (i = 32768;i < 40960;i++)
{
random = lhrandom (0.0,1.0);
data[i*4+3] = data[i*4+0];
data[i*4+2] = 83 + (unsigned char)(random * 64);
data[i*4+1] = 71 + (unsigned char)(random * 32);
data[i*4+0] = 23 + (unsigned char)(random * 16);
}
// Red chars
for (i = 40960;i < 65536;i++)
{
random = lhrandom (0.0,1.0);
data[i*4+3] = data[i*4+0];
data[i*4+2] = 96 + (unsigned char)(random * 64);
data[i*4+1] = 43 + (unsigned char)(random * 32);
data[i*4+0] = 27 + (unsigned char)(random * 32);
}
#if 0
Image_WriteTGABGRA ("gfx/generated_conchars.tga", 256, 256, data);
#endif
tex = R_LoadTexture2D(drawtexturepool, "conchars", 256, 256, data, TEXTYPE_BGRA, TEXF_ALPHA, NULL);
Mem_Free(data);
return tex;
}
static rtexture_t *draw_generateditherpattern(void)
{
int x, y;
unsigned char pixels[8][8];
for (y = 0;y < 8;y++)
for (x = 0;x < 8;x++)
pixels[y][x] = ((x^y) & 4) ? 254 : 0;
return R_LoadTexture2D(drawtexturepool, "ditherpattern", 8, 8, pixels[0], TEXTYPE_PALETTE, TEXF_FORCENEAREST, palette_bgra_transparent);
}
typedef struct embeddedpic_s
{
const char *name;
int width;
int height;
const char *pixels;
}
embeddedpic_t;
static const embeddedpic_t embeddedpics[] =
{
{
"gfx/prydoncursor001", 16, 16,
"477777774......."
"77.....6........"
"7.....6........."
"7....6.........."
"7.....6........."
"7..6...6........"
"7.6.6...6......."
"76...6...6......"
"4.....6.6......."
".......6........"
"................"
"................"
"................"
"................"
"................"
"................"
},
{
"ui/mousepointer", 16, 16,
"477777774......."
"77.....6........"
"7.....6........."
"7....6.........."
"7.....6........."
"7..6...6........"
"7.6.6...6......."
"76...6...6......"
"4.....6.6......."
".......6........"
"................"
"................"
"................"
"................"
"................"
"................"
},
{
"gfx/crosshair1", 16, 16,
"................"
"................"
"................"
"...33......33..."
"...355....553..."
"....577..775...."
".....77..77....."
"................"
"................"
".....77..77....."
"....577..775...."
"...355....553..."
"...33......33..."
"................"
"................"
"................"
},
{
"gfx/crosshair2", 16, 16,
"................"
"................"
"................"
"...3........3..."
"....5......5...."
".....7....7....."
"......7..7......"
"................"
"................"
"......7..7......"
".....7....7....."
"....5......5...."
"...3........3..."
"................"
"................"
"................"
},
{
"gfx/crosshair3", 16, 16,
"................"
".......77......."
".......77......."
"................"
"................"
".......44......."
".......44......."
".77..44..44..77."
".77..44..44..77."
".......44......."
".......44......."
"................"
"................"
".......77......."
".......77......."
"................"
},
{
"gfx/crosshair4", 16, 16,
"................"
"................"
"................"
"................"
"................"
"................"
"................"
"................"
"........7777777."
"........752....."
"........72......"
"........7......."
"........7......."
"........7......."
"........7......."
"................"
},
{
"gfx/crosshair5", 8, 8,
"........"
"........"
"....7..."
"........"
"..7.7.7."
"........"
"....7..."
"........"
},
{
"gfx/crosshair6", 2, 2,
"77"
"77"
},
{
"gfx/crosshair7", 16, 16,
"................"
".3............3."
"..5...2332...5.."
"...7.3....3.7..."
"....7......7...."
"...3.7....7.3..."
"..2...7..7...2.."
"..3..........3.."
"..3..........3.."
"..2...7..7...2.."
"...3.7....7.3..."
"....7......7...."
"...7.3....3.7..."
"..5...2332...5.."
".3............3."
"................"
},
{NULL, 0, 0, NULL}
};
static rtexture_t *draw_generatepic(const char *name, qboolean quiet)
{
const embeddedpic_t *p;
for (p = embeddedpics;p->name;p++)
if (!strcmp(name, p->name))
return R_LoadTexture2D(drawtexturepool, p->name, p->width, p->height, (const unsigned char *)p->pixels, TEXTYPE_PALETTE, TEXF_ALPHA, palette_bgra_embeddedpic);
if (!strcmp(name, "gfx/conchars"))
return draw_generateconchars();
if (!strcmp(name, "gfx/colorcontrol/ditherpattern"))
return draw_generateditherpattern();
if (!quiet)
Con_DPrintf("Draw_CachePic: failed to load %s\n", name);
return r_texture_notexture;
}
/*
================
Draw_CachePic
================
*/
// FIXME: move this to client somehow
cachepic_t *Draw_CachePic_Flags(const char *path, unsigned int cachepicflags)
{
int crc, hashkey;
unsigned char *pixels;
cachepic_t *pic;
fs_offset_t lmpsize;
unsigned char *lmpdata;
char lmpname[MAX_QPATH];
// check whether the picture has already been cached
crc = CRC_Block((unsigned char *)path, strlen(path));
hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
for (pic = cachepichash[hashkey];pic;pic = pic->chain)
if (!strcmp (path, pic->name))
return pic;
if (numcachepics == MAX_CACHED_PICS)
{
Con_Printf ("Draw_CachePic: numcachepics == MAX_CACHED_PICS\n");
// FIXME: support NULL in callers?
return cachepics; // return the first one
}
pic = cachepics + (numcachepics++);
strlcpy (pic->name, path, sizeof(pic->name));
// link into list
pic->chain = cachepichash[hashkey];
cachepichash[hashkey] = pic;
// check whether it is an dynamic texture (if so, we can directly use its texture handler)
pic->tex = CL_GetDynTexture( path );
// if so, set the width/height, too
if( pic->tex ) {
pic->width = R_TextureWidth(pic->tex);
pic->height = R_TextureHeight(pic->tex);
// we're done now (early-out)
return pic;
}
pic->texflags = TEXF_ALPHA;
if (!(cachepicflags & CACHEPICFLAG_NOCLAMP))
pic->texflags |= TEXF_CLAMP;
if (!(cachepicflags & CACHEPICFLAG_NOCOMPRESSION) && gl_texturecompression_2d.integer)
pic->texflags |= TEXF_COMPRESS;
pic->autoload = (cachepicflags & CACHEPICFLAG_NOTPERSISTENT);
// load a high quality image from disk if possible
pixels = loadimagepixelsbgra(path, false, true, r_texture_convertsRGB_2d.integer);
if (pixels == NULL && !strncmp(path, "gfx/", 4))
pixels = loadimagepixelsbgra(path+4, false, true, r_texture_convertsRGB_2d.integer);
if (pixels)
{
pic->width = image_width;
pic->height = image_height;
if (!pic->autoload)
pic->tex = R_LoadTexture2D(drawtexturepool, path, image_width, image_height, pixels, TEXTYPE_BGRA, pic->texflags, NULL);
}
else
{
pic->autoload = false;
// never compress the fallback images
pic->texflags &= ~TEXF_COMPRESS;
}
// now read the low quality version (wad or lmp file), and take the pic
// size from that even if we don't upload the texture, this way the pics
// show up the right size in the menu even if they were replaced with
// higher or lower resolution versions
dpsnprintf(lmpname, sizeof(lmpname), "%s.lmp", path);
if (!strncmp(path, "gfx/", 4) && (lmpdata = FS_LoadFile(lmpname, tempmempool, false, &lmpsize)))
{
if (developer_loading.integer)
Con_Printf("loading lump \"%s\"\n", path);
if (lmpsize >= 9)
{
pic->width = lmpdata[0] + lmpdata[1] * 256 + lmpdata[2] * 65536 + lmpdata[3] * 16777216;
pic->height = lmpdata[4] + lmpdata[5] * 256 + lmpdata[6] * 65536 + lmpdata[7] * 16777216;
// if no high quality replacement image was found, upload the original low quality texture
if (!pixels)
pic->tex = R_LoadTexture2D(drawtexturepool, path, pic->width, pic->height, lmpdata + 8, TEXTYPE_PALETTE, pic->texflags, palette_bgra_transparent);
}
Mem_Free(lmpdata);
}
else if ((lmpdata = W_GetLumpName (path + 4)))
{
if (developer_loading.integer)
Con_Printf("loading gfx.wad lump \"%s\"\n", path + 4);
if (!strcmp(path, "gfx/conchars"))
{
// conchars is a raw image and with color 0 as transparent instead of 255
pic->width = 128;
pic->height = 128;
// if no high quality replacement image was found, upload the original low quality texture
if (!pixels)
pic->tex = R_LoadTexture2D(drawtexturepool, path, 128, 128, lmpdata, TEXTYPE_PALETTE, pic->texflags, palette_bgra_font);
}
else
{
pic->width = lmpdata[0] + lmpdata[1] * 256 + lmpdata[2] * 65536 + lmpdata[3] * 16777216;
pic->height = lmpdata[4] + lmpdata[5] * 256 + lmpdata[6] * 65536 + lmpdata[7] * 16777216;
// if no high quality replacement image was found, upload the original low quality texture
if (!pixels)
pic->tex = R_LoadTexture2D(drawtexturepool, path, pic->width, pic->height, lmpdata + 8, TEXTYPE_PALETTE, pic->texflags, palette_bgra_transparent);
}
}
if (pixels)
{
Mem_Free(pixels);
pixels = NULL;
}
else if (pic->tex == NULL)
{
// if it's not found on disk, generate an image
pic->tex = draw_generatepic(path, (cachepicflags & CACHEPICFLAG_QUIET) != 0);
pic->width = R_TextureWidth(pic->tex);
pic->height = R_TextureHeight(pic->tex);
}
return pic;
}
cachepic_t *Draw_CachePic (const char *path)
{
return Draw_CachePic_Flags (path, 0);
}
int draw_frame = 1;
rtexture_t *Draw_GetPicTexture(cachepic_t *pic)
{
if (pic->autoload && !pic->tex)
{
pic->tex = loadtextureimage(drawtexturepool, pic->name, false, pic->texflags, true, r_texture_convertsRGB_2d.integer);
if (pic->tex == NULL && !strncmp(pic->name, "gfx/", 4))
pic->tex = loadtextureimage(drawtexturepool, pic->name+4, false, pic->texflags, true, r_texture_convertsRGB_2d.integer);
if (pic->tex == NULL)
pic->tex = draw_generatepic(pic->name, true);
}
pic->lastusedframe = draw_frame;
return pic->tex;
}
void Draw_Frame(void)
{
int i;
cachepic_t *pic;
static double nextpurgetime;
if (nextpurgetime > realtime)
return;
nextpurgetime = realtime + 0.05;
for (i = 0, pic = cachepics;i < numcachepics;i++, pic++)
{
if (pic->autoload && pic->tex && pic->lastusedframe < draw_frame)
{
R_FreeTexture(pic->tex);
pic->tex = NULL;
}
}
draw_frame++;
}
cachepic_t *Draw_NewPic(const char *picname, int width, int height, int alpha, unsigned char *pixels_bgra)
{
int crc, hashkey;
cachepic_t *pic;
crc = CRC_Block((unsigned char *)picname, strlen(picname));
hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
for (pic = cachepichash[hashkey];pic;pic = pic->chain)
if (!strcmp (picname, pic->name))
break;
if (pic)
{
if (pic->tex && pic->width == width && pic->height == height)
{
R_UpdateTexture(pic->tex, pixels_bgra, 0, 0, width, height);
return pic;
}
}
else
{
if (pic == NULL)
{
if (numcachepics == MAX_CACHED_PICS)
{
Con_Printf ("Draw_NewPic: numcachepics == MAX_CACHED_PICS\n");
// FIXME: support NULL in callers?
return cachepics; // return the first one
}
pic = cachepics + (numcachepics++);
strlcpy (pic->name, picname, sizeof(pic->name));
// link into list
pic->chain = cachepichash[hashkey];
cachepichash[hashkey] = pic;
}
}
pic->width = width;
pic->height = height;
if (pic->tex)
R_FreeTexture(pic->tex);
pic->tex = R_LoadTexture2D(drawtexturepool, picname, width, height, pixels_bgra, TEXTYPE_BGRA, (alpha ? TEXF_ALPHA : 0) | TEXF_ALLOWUPDATES, NULL);
return pic;
}
void Draw_FreePic(const char *picname)
{
int crc;
int hashkey;
cachepic_t *pic;
// this doesn't really free the pic, but does free it's texture
crc = CRC_Block((unsigned char *)picname, strlen(picname));
hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
for (pic = cachepichash[hashkey];pic;pic = pic->chain)
{
if (!strcmp (picname, pic->name) && pic->tex)
{
R_FreeTexture(pic->tex);
pic->tex = NULL;
pic->width = 0;
pic->height = 0;
return;
}
}
}
static float snap_to_pixel_x(float x, float roundUpAt);
extern int con_linewidth; // to force rewrapping
static void LoadFont(qboolean override, const char *name, dp_font_t *fnt)
{
int i;
float maxwidth, scale;
char widthfile[MAX_QPATH];
char *widthbuf;
fs_offset_t widthbufsize;
if(override || !fnt->texpath[0])
{
strlcpy(fnt->texpath, name, sizeof(fnt->texpath));
// load the cvars when the font is FIRST loaded
fnt->settings.antialias = r_font_antialias.integer;
fnt->settings.hinting = r_font_hinting.integer;
fnt->settings.outline = r_font_postprocess_outline.value;
fnt->settings.blur = r_font_postprocess_blur.value;
fnt->settings.shadowx = r_font_postprocess_shadow_x.value;
fnt->settings.shadowy = r_font_postprocess_shadow_y.value;
fnt->settings.shadowz = r_font_postprocess_shadow_z.value;
}
if(drawtexturepool == NULL)
return; // before gl_draw_start, so will be loaded later
if(fnt->ft2)
{
// clear freetype font
Font_UnloadFont(fnt->ft2);
Mem_Free(fnt->ft2);
fnt->ft2 = NULL;
}
if(fnt->req_face != -1)
{
if(!Font_LoadFont(fnt->texpath, fnt))
Con_DPrintf("Failed to load font-file for '%s', it will not support as many characters.\n", fnt->texpath);
}
fnt->tex = Draw_CachePic_Flags(fnt->texpath, CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION)->tex;
if(fnt->tex == r_texture_notexture)
{
for (i = 0; i < MAX_FONT_FALLBACKS; ++i)
{
if (!fnt->fallbacks[i][0])
break;
fnt->tex = Draw_CachePic_Flags(fnt->fallbacks[i], CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION)->tex;
if(fnt->tex != r_texture_notexture)
break;
}
if(fnt->tex == r_texture_notexture)
{
fnt->tex = Draw_CachePic_Flags("gfx/conchars", CACHEPICFLAG_NOCOMPRESSION)->tex;
strlcpy(widthfile, "gfx/conchars.width", sizeof(widthfile));
}
else
dpsnprintf(widthfile, sizeof(widthfile), "%s.width", fnt->fallbacks[i]);
}
else
dpsnprintf(widthfile, sizeof(widthfile), "%s.width", fnt->texpath);
// unspecified width == 1 (base width)
for(i = 1; i < 256; ++i)
fnt->width_of[i] = 1;
scale = 1;
// FIXME load "name.width", if it fails, fill all with 1
if((widthbuf = (char *) FS_LoadFile(widthfile, tempmempool, true, &widthbufsize)))
{
float extraspacing = 0;
const char *p = widthbuf;
int ch = 0;
while(ch < 256)
{
if(!COM_ParseToken_Simple(&p, false, false))
return;
switch(*com_token)
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '+':
case '-':
case '.':
fnt->width_of[ch] = atof(com_token) + extraspacing;
if (fnt->ft2)
{
for (i = 0; i < MAX_FONT_SIZES; ++i)
{
//Font_MapForIndex(fnt->ft2, i)->width_of[ch] = snap_to_pixel_x(fnt->width_of[ch] * fnt->req_sizes[i], 0.4);
ft2_font_map_t *map = Font_MapForIndex(fnt->ft2, i);
if (!map)
break;
map->width_of[ch] = Font_SnapTo(fnt->width_of[ch], 1/map->size);
}
}
ch++;
break;
default:
if(!strcmp(com_token, "extraspacing"))
{
if(!COM_ParseToken_Simple(&p, false, false))
return;
extraspacing = atof(com_token);
}
else if(!strcmp(com_token, "scale"))
{
if(!COM_ParseToken_Simple(&p, false, false))
return;
scale = atof(com_token);
}
else
{
Con_Printf("Warning: skipped unknown font property %s\n", com_token);
if(!COM_ParseToken_Simple(&p, false, false))
return;
}
break;
}
}
Mem_Free(widthbuf);
}
maxwidth = fnt->width_of[1];
for(i = 2; i < 256; ++i)
maxwidth = max(maxwidth, fnt->width_of[i]);
fnt->maxwidth = maxwidth;
// fix up maxwidth for overlap
fnt->maxwidth *= scale;
fnt->scale = scale;
if(fnt == FONT_CONSOLE)
con_linewidth = -1; // rewrap console in next frame
}
static dp_font_t *FindFont(const char *title)
{
int i;
for(i = 0; i < MAX_FONTS; ++i)
if(!strcmp(dp_fonts[i].title, title))
return &dp_fonts[i];
return NULL;
}
static float snap_to_pixel_x(float x, float roundUpAt)
{
float pixelpos = x * vid.width / vid_conwidth.value;
int snap = (int) pixelpos;
if (pixelpos - snap >= roundUpAt) ++snap;
return ((float)snap * vid_conwidth.value / vid.width);
/*
x = (int)(x * vid.width / vid_conwidth.value);
x = (x * vid_conwidth.value / vid.width);
return x;
*/
}
static float snap_to_pixel_y(float y, float roundUpAt)
{
float pixelpos = y * vid.height / vid_conheight.value;
int snap = (int) pixelpos;
if (pixelpos - snap > roundUpAt) ++snap;
return ((float)snap * vid_conheight.value / vid.height);
/*
y = (int)(y * vid.height / vid_conheight.value);
y = (y * vid_conheight.value / vid.height);
return y;
*/
}
static void LoadFont_f(void)
{
dp_font_t *f;
int i;
const char *filelist, *c, *cm;
float sz;
char mainfont[MAX_QPATH];
if(Cmd_Argc() < 2)
{
Con_Printf("Available font commands:\n");
for(i = 0; i < MAX_FONTS; ++i)
Con_Printf(" loadfont %s gfx/tgafile[...] [sizes...]\n", dp_fonts[i].title);
Con_Printf("A font can simply be gfx/tgafile, or alternatively you\n"
"can specify multiple fonts and faces\n"
"Like this: gfx/vera-sans:2,gfx/fallback:1\n"
"to load face 2 of the font gfx/vera-sans and use face 1\n"
"of gfx/fallback as fallback font.\n"
"You can also specify a list of font sizes to load, like this:\n"
"loadfont console gfx/conchars,gfx/fallback 8 12 16 24 32\n"
"In many cases, 8 12 16 24 32 should be a good choice.\n"
);
return;
}
f = FindFont(Cmd_Argv(1));
if(f == NULL)
{
Con_Printf("font function not found\n");
return;
}
if(Cmd_Argc() < 3)
filelist = "gfx/conchars";
else
filelist = Cmd_Argv(2);
memset(f->fallbacks, 0, sizeof(f->fallbacks));
memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
// first font is handled "normally"
c = strchr(filelist, ':');
cm = strchr(filelist, ',');
if(c && (!cm || c < cm))
f->req_face = atoi(c+1);
else
{
f->req_face = 0;
c = cm;
}
if(!c || (c - filelist) > MAX_QPATH)
strlcpy(mainfont, filelist, sizeof(mainfont));
else
{
memcpy(mainfont, filelist, c - filelist);
mainfont[c - filelist] = 0;
}
for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
{
c = strchr(filelist, ',');
if(!c)
break;
filelist = c + 1;
if(!*filelist)
break;
c = strchr(filelist, ':');
cm = strchr(filelist, ',');
if(c && (!cm || c < cm))
f->fallback_faces[i] = atoi(c+1);
else
{
f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
c = cm;
}
if(!c || (c-filelist) > MAX_QPATH)
{
strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
}
else
{
memcpy(f->fallbacks[i], filelist, c - filelist);
f->fallbacks[i][c - filelist] = 0;
}
}
// for now: by default load only one size: the default size
f->req_sizes[0] = 0;
for(i = 1; i < MAX_FONT_SIZES; ++i)
f->req_sizes[i] = -1;
if(Cmd_Argc() >= 3)
{
for(i = 0; i < Cmd_Argc()-3; ++i)
{
sz = atof(Cmd_Argv(i+3));
if (sz > 0.001f && sz < 1000.0f) // do not use crap sizes
f->req_sizes[i] = sz;
}
}
LoadFont(true, mainfont, f);
}
/*
===============
Draw_Init
===============
*/
static void gl_draw_start(void)
{
int i;
drawtexturepool = R_AllocTexturePool();
numcachepics = 0;
memset(cachepichash, 0, sizeof(cachepichash));
font_start();
for(i = 0; i < MAX_FONTS; ++i)
LoadFont(false, va("gfx/font_%s", dp_fonts[i].title), &dp_fonts[i]);
// draw the loading screen so people have something to see in the newly opened window
SCR_UpdateLoadingScreen(true);
}
static void gl_draw_shutdown(void)
{
font_shutdown();
R_FreeTexturePool(&drawtexturepool);
numcachepics = 0;
memset(cachepichash, 0, sizeof(cachepichash));
}
static void gl_draw_newmap(void)
{
font_newmap();
}
void GL_Draw_Init (void)
{
int i, j;
Cvar_RegisterVariable(&r_font_postprocess_blur);
Cvar_RegisterVariable(&r_font_postprocess_outline);
Cvar_RegisterVariable(&r_font_postprocess_shadow_x);
Cvar_RegisterVariable(&r_font_postprocess_shadow_y);
Cvar_RegisterVariable(&r_font_postprocess_shadow_z);
Cvar_RegisterVariable(&r_font_hinting);
Cvar_RegisterVariable(&r_font_antialias);
Cvar_RegisterVariable(&r_textshadow);
Cvar_RegisterVariable(&r_textbrightness);
Cvar_RegisterVariable(&r_textcontrast);
Cmd_AddCommand ("loadfont",LoadFont_f, "loadfont function tganame loads a font; example: loadfont console gfx/veramono; loadfont without arguments lists the available functions");
R_RegisterModule("GL_Draw", gl_draw_start, gl_draw_shutdown, gl_draw_newmap);
strlcpy(FONT_DEFAULT->title, "default", sizeof(FONT_DEFAULT->title));
strlcpy(FONT_DEFAULT->texpath, "gfx/conchars", sizeof(FONT_DEFAULT->texpath));
strlcpy(FONT_CONSOLE->title, "console", sizeof(FONT_CONSOLE->title));
strlcpy(FONT_SBAR->title, "sbar", sizeof(FONT_SBAR->title));
strlcpy(FONT_NOTIFY->title, "notify", sizeof(FONT_NOTIFY->title));
strlcpy(FONT_CHAT->title, "chat", sizeof(FONT_CHAT->title));
strlcpy(FONT_CENTERPRINT->title, "centerprint", sizeof(FONT_CENTERPRINT->title));
strlcpy(FONT_INFOBAR->title, "infobar", sizeof(FONT_INFOBAR->title));
strlcpy(FONT_MENU->title, "menu", sizeof(FONT_MENU->title));
for(i = 0, j = 0; i < MAX_USERFONTS; ++i)
if(!FONT_USER[i].title[0])
dpsnprintf(FONT_USER[i].title, sizeof(FONT_USER[i].title), "user%d", j++);
}
void _DrawQ_Setup(void)
{
r_viewport_t viewport;
if (r_refdef.draw2dstage)
return;
r_refdef.draw2dstage = true;
CHECKGLERROR
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);
R_SetViewport(&viewport);
GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
qglDepthFunc(GL_LEQUAL);CHECKGLERROR
qglDisable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
R_EntityMatrix(&identitymatrix);
GL_DepthMask(true);
GL_DepthRange(0, 1);
GL_PolygonOffset(0, 0);
GL_DepthTest(false);
GL_Color(1,1,1,1);
GL_AlphaTest(false);
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
static void _DrawQ_ProcessDrawFlag(int flags)
{
_DrawQ_Setup();
CHECKGLERROR
if(flags == DRAWFLAG_ADDITIVE)
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
else if(flags == DRAWFLAG_MODULATE)
GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
else if(flags == DRAWFLAG_2XMODULATE)
GL_BlendFunc(GL_DST_COLOR,GL_SRC_COLOR);
else if(flags == DRAWFLAG_SCREEN)
GL_BlendFunc(GL_ONE_MINUS_DST_COLOR,GL_ONE);
else
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
void DrawQ_Pic(float x, float y, cachepic_t *pic, float width, float height, float red, float green, float blue, float alpha, int flags)
{
float floats[20];
_DrawQ_ProcessDrawFlag(flags);
GL_Color(red, green, blue, alpha);
R_Mesh_VertexPointer(floats, 0, 0);
R_Mesh_ColorPointer(NULL, 0, 0);
R_Mesh_ResetTextureState();
if (pic)
{
if (width == 0)
width = pic->width;
if (height == 0)
height = pic->height;
R_SetupShader_Generic(Draw_GetPicTexture(pic), NULL, GL_MODULATE, 1);
R_Mesh_TexCoordPointer(0, 2, floats + 12, 0, 0);
#if 1
floats[12] = 0.0f;floats[13] = 0.0f;
floats[14] = 1.0f;floats[15] = 0.0f;
floats[16] = 1.0f;floats[17] = 1.0f;
floats[18] = 0.0f;floats[19] = 1.0f;
#else
// AK07: lets be texel correct on the corners
{
float horz_offset = 0.5f / pic->width;
float vert_offset = 0.5f / pic->height;
floats[12] = 0.0f + horz_offset;floats[13] = 0.0f + vert_offset;
floats[14] = 1.0f - horz_offset;floats[15] = 0.0f + vert_offset;
floats[16] = 1.0f - horz_offset;floats[17] = 1.0f - vert_offset;
floats[18] = 0.0f + horz_offset;floats[19] = 1.0f - vert_offset;
}
#endif
}
else
R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
floats[2] = floats[5] = floats[8] = floats[11] = 0;
floats[0] = floats[9] = x;
floats[1] = floats[4] = y;
floats[3] = floats[6] = x + width;
floats[7] = floats[10] = y + height;
R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
}
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)
{
float floats[20];
float af = DEG2RAD(-angle); // forward
float ar = DEG2RAD(-angle + 90); // right
float sinaf = sin(af);
float cosaf = cos(af);
float sinar = sin(ar);
float cosar = cos(ar);
_DrawQ_ProcessDrawFlag(flags);
GL_Color(red, green, blue, alpha);
R_Mesh_VertexPointer(floats, 0, 0);
R_Mesh_ColorPointer(NULL, 0, 0);
R_Mesh_ResetTextureState();
if (pic)