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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 "ft2.h"
#include "ft2_fontdefs.h"
struct cachepic_s
{
// size of pic
int width, height;
// this flag indicates that it should be loaded and unloaded on demand
int autoload;
// texture flags to upload with
int texflags;
// texture may be freed after a while
int lastusedframe;
// renderable texture
skinframe_t *skinframe;
// used for hash lookups
struct cachepic_s *chain;
// flags - CACHEPICFLAG_NEWPIC for example
unsigned int flags;
// name of pic
char name[MAX_QPATH];
};
dp_fonts_t dp_fonts;
static mempool_t *fonts_mempool = NULL;
cvar_t r_textshadow = {CF_CLIENT | CF_ARCHIVE, "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)"};
// these are also read by the dedicated server when sys_colortranslation > 1
cvar_t r_textbrightness = {CF_SHARED | CF_ARCHIVE, "r_textbrightness", "0", "additional brightness for text color codes (0 keeps colors as is, 1 makes them all white)"};
cvar_t r_textcontrast = {CF_SHARED | CF_ARCHIVE, "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 = {CF_CLIENT | CF_ARCHIVE, "r_font_postprocess_blur", "0", "font blur amount"};
cvar_t r_font_postprocess_outline = {CF_CLIENT | CF_ARCHIVE, "r_font_postprocess_outline", "0", "font outline amount"};
cvar_t r_font_postprocess_shadow_x = {CF_CLIENT | CF_ARCHIVE, "r_font_postprocess_shadow_x", "0", "font shadow X shift amount, applied during outlining"};
cvar_t r_font_postprocess_shadow_y = {CF_CLIENT | CF_ARCHIVE, "r_font_postprocess_shadow_y", "0", "font shadow Y shift amount, applied during outlining"};
cvar_t r_font_postprocess_shadow_z = {CF_CLIENT | CF_ARCHIVE, "r_font_postprocess_shadow_z", "0", "font shadow Z shift amount, applied during blurring"};
cvar_t r_font_hinting = {CF_CLIENT | CF_ARCHIVE, "r_font_hinting", "3", "0 = no hinting, 1 = light autohinting, 2 = full autohinting, 3 = full hinting"};
cvar_t r_font_antialias = {CF_CLIENT | CF_ARCHIVE, "r_font_antialias", "1", "0 = monochrome, 1 = grey" /* , 2 = rgb, 3 = bgr" */};
cvar_t r_font_always_reload = {CF_CLIENT | CF_ARCHIVE, "r_font_always_reload", "0", "reload a font even given the same loadfont command. useful for trying out different versions of the same font file"};
cvar_t r_nearest_2d = {CF_CLIENT | CF_ARCHIVE, "r_nearest_2d", "0", "use nearest filtering on all 2d textures (including conchars)"};
cvar_t r_nearest_conchars = {CF_CLIENT | CF_ARCHIVE, "r_nearest_conchars", "0", "use nearest filtering on conchars texture"};
//=============================================================================
/* Support Routines */
static cachepic_t *cachepichash[CACHEPICHASHSIZE];
static cachepic_t cachepics[MAX_CACHED_PICS];
static int numcachepics;
rtexturepool_t *drawtexturepool;
int draw_frame = 1;
/*
================
Draw_CachePic
================
*/
// FIXME: move this to client somehow
cachepic_t *Draw_CachePic_Flags(const char *path, unsigned int cachepicflags)
{
int crc, hashkey;
cachepic_t *pic;
int texflags;
texflags = TEXF_ALPHA;
if (!(cachepicflags & CACHEPICFLAG_NOCLAMP))
texflags |= TEXF_CLAMP;
if (cachepicflags & CACHEPICFLAG_MIPMAP)
texflags |= TEXF_MIPMAP;
if (!(cachepicflags & CACHEPICFLAG_NOCOMPRESSION) && gl_texturecompression_2d.integer && gl_texturecompression.integer)
texflags |= TEXF_COMPRESS;
if (cachepicflags & CACHEPICFLAG_LINEAR)
texflags |= TEXF_FORCELINEAR;
else if ((cachepicflags & CACHEPICFLAG_NEAREST) || r_nearest_2d.integer)
texflags |= TEXF_FORCENEAREST;
// 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))
{
// if it was created (or replaced) by Draw_NewPic, just return it
if (!(pic->flags & CACHEPICFLAG_NEWPIC))
{
// reload the pic if texflags changed in important ways
// ignore TEXF_COMPRESS when comparing, because fallback pics remove the flag, and ignore TEXF_MIPMAP because QC specifies that
if ((pic->texflags ^ texflags) & ~(TEXF_COMPRESS | TEXF_MIPMAP))
{
Con_DPrintf("Draw_CachePic(\"%s\"): frame %i: reloading pic due to mismatch on flags\n", path, draw_frame);
goto reload;
}
if (!pic->skinframe || !pic->skinframe->base)
{
if (pic->flags & CACHEPICFLAG_FAILONMISSING)
return NULL;
Con_DPrintf("Draw_CachePic(\"%s\"): frame %i: reloading pic\n", path, draw_frame);
goto reload;
}
if (!(cachepicflags & CACHEPICFLAG_NOTPERSISTENT))
pic->autoload = false; // caller is making this pic persistent
}
if (pic->skinframe)
R_SkinFrame_MarkUsed(pic->skinframe);
pic->lastusedframe = draw_frame;
return pic;
}
}
if (numcachepics == MAX_CACHED_PICS)
{
Con_DPrintf ("Draw_CachePic(\"%s\"): frame %i: numcachepics == MAX_CACHED_PICS\n", path, draw_frame);
// FIXME: support NULL in callers?
return cachepics; // return the first one
}
Con_DPrintf("Draw_CachePic(\"%s\"): frame %i: loading pic%s\n", path, draw_frame, (cachepicflags & CACHEPICFLAG_NOTPERSISTENT) ? " notpersist" : "");
pic = cachepics + (numcachepics++);
memset(pic, 0, sizeof(*pic));
dp_strlcpy (pic->name, path, sizeof(pic->name));
// link into list
pic->chain = cachepichash[hashkey];
cachepichash[hashkey] = pic;
reload:
if (pic->skinframe)
R_SkinFrame_PurgeSkinFrame(pic->skinframe);
pic->flags = cachepicflags;
pic->texflags = texflags;
pic->autoload = (cachepicflags & CACHEPICFLAG_NOTPERSISTENT) != 0;
pic->lastusedframe = draw_frame;
if (pic->skinframe)
{
// reload image after it was unloaded or texflags changed significantly
R_SkinFrame_LoadExternal_SkinFrame(pic->skinframe, pic->name, texflags | TEXF_FORCE_RELOAD, (cachepicflags & CACHEPICFLAG_QUIET) == 0, (cachepicflags & CACHEPICFLAG_FAILONMISSING) == 0);
}
else
{
// load high quality image (this falls back to low quality too)
pic->skinframe = R_SkinFrame_LoadExternal(pic->name, texflags | TEXF_FORCE_RELOAD, (cachepicflags & CACHEPICFLAG_QUIET) == 0, (cachepicflags & CACHEPICFLAG_FAILONMISSING) == 0);
}
// get the dimensions of the image we loaded (if it was successful)
if (pic->skinframe && pic->skinframe->base)
{
pic->width = R_TextureWidth(pic->skinframe->base);
pic->height = R_TextureHeight(pic->skinframe->base);
}
// check for a low quality version of the pic and use its size if possible, to match the stock hud
Image_GetStockPicSize(pic->name, &pic->width, &pic->height);
return pic;
}
cachepic_t *Draw_CachePic (const char *path)
{
return Draw_CachePic_Flags (path, 0); // default to persistent!
}
const char *Draw_GetPicName(cachepic_t *pic)
{
if (pic == NULL)
return "";
return pic->name;
}
int Draw_GetPicWidth(cachepic_t *pic)
{
if (pic == NULL)
return 0;
return pic->width;
}
int Draw_GetPicHeight(cachepic_t *pic)
{
if (pic == NULL)
return 0;
return pic->height;
}
qbool Draw_IsPicLoaded(cachepic_t *pic)
{
if (pic == NULL)
return false;
if (pic->autoload && (!pic->skinframe || !pic->skinframe->base))
{
Con_DPrintf("Draw_IsPicLoaded(\"%s\"): Loading external skin\n", pic->name);
pic->skinframe = R_SkinFrame_LoadExternal(pic->name, pic->texflags | TEXF_FORCE_RELOAD, false, true);
}
// skinframe will only be NULL if the pic was created with CACHEPICFLAG_FAILONMISSING and not found
return pic->skinframe != NULL && pic->skinframe->base != NULL;
}
rtexture_t *Draw_GetPicTexture(cachepic_t *pic)
{
if (pic == NULL)
return NULL;
if (pic->autoload && (!pic->skinframe || !pic->skinframe->base))
{
Con_DPrintf("Draw_GetPicTexture(\"%s\"): Loading external skin\n", pic->name);
pic->skinframe = R_SkinFrame_LoadExternal(pic->name, pic->texflags | TEXF_FORCE_RELOAD, false, true);
}
pic->lastusedframe = draw_frame;
return pic->skinframe ? pic->skinframe->base : NULL;
}
void Draw_Frame(void)
{
int i;
cachepic_t *pic;
static double nextpurgetime;
if (nextpurgetime > host.realtime)
return;
nextpurgetime = host.realtime + 0.05;
for (i = 0, pic = cachepics;i < numcachepics;i++, pic++)
{
if (pic->autoload && pic->skinframe && pic->skinframe->base && pic->lastusedframe < draw_frame - 3)
{
Con_DPrintf("Draw_Frame(%i): Unloading \"%s\"\n", draw_frame, pic->name);
R_SkinFrame_PurgeSkinFrame(pic->skinframe);
}
}
draw_frame++;
}
cachepic_t *Draw_NewPic(const char *picname, int width, int height, unsigned char *pixels_bgra, textype_t textype, int texflags)
{
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->flags & CACHEPICFLAG_NEWPIC && pic->skinframe && pic->skinframe->base && pic->width == width && pic->height == height)
{
Con_DPrintf("Draw_NewPic(\"%s\"): frame %i: updating texture\n", picname, draw_frame);
R_UpdateTexture(pic->skinframe->base, pixels_bgra, 0, 0, 0, width, height, 1, 0);
R_SkinFrame_MarkUsed(pic->skinframe);
pic->lastusedframe = draw_frame;
return pic;
}
Con_DPrintf("Draw_NewPic(\"%s\"): frame %i: reloading pic because flags/size changed\n", picname, draw_frame);
}
else
{
if (numcachepics == MAX_CACHED_PICS)
{
Con_DPrintf ("Draw_NewPic(\"%s\"): frame %i: numcachepics == MAX_CACHED_PICS\n", picname, draw_frame);
// FIXME: support NULL in callers?
return cachepics; // return the first one
}
Con_DPrintf("Draw_NewPic(\"%s\"): frame %i: creating new cachepic\n", picname, draw_frame);
pic = cachepics + (numcachepics++);
memset(pic, 0, sizeof(*pic));
dp_strlcpy (pic->name, picname, sizeof(pic->name));
// link into list
pic->chain = cachepichash[hashkey];
cachepichash[hashkey] = pic;
}
R_SkinFrame_PurgeSkinFrame(pic->skinframe);
pic->autoload = false;
pic->flags = CACHEPICFLAG_NEWPIC; // disable texflags checks in Draw_CachePic
pic->flags |= (texflags & TEXF_CLAMP) ? 0 : CACHEPICFLAG_NOCLAMP;
pic->flags |= (texflags & TEXF_FORCENEAREST) ? CACHEPICFLAG_NEAREST : 0;
pic->width = width;
pic->height = height;
pic->skinframe = R_SkinFrame_LoadInternalBGRA(picname, texflags | TEXF_FORCE_RELOAD, pixels_bgra, width, height, 0, 0, 0, vid.sRGB2D);
pic->lastusedframe = draw_frame;
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 its 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->skinframe)
{
Con_DPrintf("Draw_FreePic(\"%s\"): frame %i: freeing pic\n", picname, draw_frame);
R_SkinFrame_PurgeSkinFrame(pic->skinframe);
return;
}
}
}
static float snap_to_pixel_x(float x, float roundUpAt);
extern int con_linewidth; // to force rewrapping
void LoadFont(qbool override, const char *name, dp_font_t *fnt, float scale, float voffset)
{
int i, ch;
float maxwidth;
char widthfile[MAX_QPATH];
char *widthbuf;
fs_offset_t widthbufsize;
if(override || !fnt->texpath[0])
{
dp_strlcpy(fnt->texpath, name, sizeof(fnt->texpath));
// load the cvars when the font is FIRST loader
fnt->settings.scale = scale;
fnt->settings.voffset = voffset;
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;
}
// fix bad scale
if (fnt->settings.scale <= 0)
fnt->settings.scale = 1;
if(drawtexturepool == NULL)
return; // before gl_draw_start, so will be loaded later
if(fnt->ft2)
{
// we are going to reload. clear old ft2 data
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->pic = Draw_CachePic_Flags(fnt->texpath, CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION | (r_nearest_conchars.integer ? CACHEPICFLAG_NEAREST : 0) | CACHEPICFLAG_FAILONMISSING);
if(!Draw_IsPicLoaded(fnt->pic))
{
for (i = 0; i < MAX_FONT_FALLBACKS; ++i)
{
if (!fnt->fallbacks[i][0])
break;
fnt->pic = Draw_CachePic_Flags(fnt->fallbacks[i], CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION | (r_nearest_conchars.integer ? CACHEPICFLAG_NEAREST : 0) | CACHEPICFLAG_FAILONMISSING);
if(Draw_IsPicLoaded(fnt->pic))
break;
}
if(!Draw_IsPicLoaded(fnt->pic))
{
fnt->pic = Draw_CachePic_Flags("gfx/conchars", CACHEPICFLAG_NOCOMPRESSION | (r_nearest_conchars.integer ? CACHEPICFLAG_NEAREST : 0));
dp_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(ch = 0; ch < 256; ++ch)
fnt->width_of[ch] = 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;
ch = 0;
while(ch < 256)
{
if(!COM_ParseToken_Simple(&p, false, false, true))
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;
ch++;
break;
default:
if(!strcmp(com_token, "extraspacing"))
{
if(!COM_ParseToken_Simple(&p, false, false, true))
return;
extraspacing = atof(com_token);
}
else if(!strcmp(com_token, "scale"))
{
if(!COM_ParseToken_Simple(&p, false, false, true))
return;
fnt->settings.scale = atof(com_token);
}
else
{
Con_DPrintf("Warning: skipped unknown font property %s\n", com_token);
if(!COM_ParseToken_Simple(&p, false, false, true))
return;
}
break;
}
}
Mem_Free(widthbuf);
}
if(fnt->ft2)
{
for (i = 0; i < MAX_FONT_SIZES; ++i)
{
ft2_font_map_t *map = Font_MapForIndex(fnt->ft2, i);
if (!map)
break;
for(ch = 0; ch < 256; ++ch)
fnt->width_of_ft2[i][ch] = Font_SnapTo(fnt->width_of[ch], 1/map->size);
}
}
maxwidth = fnt->width_of[0];
for(i = 1; i < 256; ++i)
maxwidth = max(maxwidth, fnt->width_of[i]);
fnt->maxwidth = maxwidth;
// fix up maxwidth for overlap
fnt->maxwidth *= fnt->settings.scale;
if(fnt == FONT_CONSOLE)
con_linewidth = -1; // rewrap console in next frame
}
extern cvar_t developer_font;
dp_font_t *FindFont(const char *title, qbool allocate_new)
{
int i, oldsize;
// find font
for(i = 0; i < dp_fonts.maxsize; ++i)
if(!strcmp(dp_fonts.f[i].title, title))
return &dp_fonts.f[i];
// if not found - try allocate
if (allocate_new)
{
// find any font with empty title
for(i = 0; i < dp_fonts.maxsize; ++i)
{
if(!strcmp(dp_fonts.f[i].title, ""))
{
dp_strlcpy(dp_fonts.f[i].title, title, sizeof(dp_fonts.f[i].title));
return &dp_fonts.f[i];
}
}
// if no any 'free' fonts - expand buffer
oldsize = dp_fonts.maxsize;
dp_fonts.maxsize = dp_fonts.maxsize + FONTS_EXPAND;
if (developer_font.integer)
Con_Printf("FindFont: enlarging fonts buffer (%i -> %i)\n", oldsize, dp_fonts.maxsize);
dp_fonts.f = (dp_font_t *)Mem_Realloc(fonts_mempool, dp_fonts.f, sizeof(dp_font_t) * dp_fonts.maxsize);
// relink ft2 structures
for(i = 0; i < oldsize; ++i)
if (dp_fonts.f[i].ft2)
dp_fonts.f[i].ft2->settings = &dp_fonts.f[i].settings;
// register a font in first expanded slot
dp_strlcpy(dp_fonts.f[oldsize].title, title, sizeof(dp_fonts.f[oldsize].title));
return &dp_fonts.f[oldsize];
}
return NULL;
}
static float snap_to_pixel_x(float x, float roundUpAt)
{
float pixelpos = x * vid.mode.width / vid_conwidth.value;
int snap = (int) pixelpos;
if (pixelpos - snap >= roundUpAt) ++snap;
return ((float)snap * vid_conwidth.value / vid.mode.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.mode.height / vid_conheight.value;
int snap = (int) pixelpos;
if (pixelpos - snap > roundUpAt) ++snap;
return ((float)snap * vid_conheight.value / vid.mode.height);
/*
y = (int)(y * vid.height / vid_conheight.value);
y = (y * vid_conheight.value / vid.height);
return y;
*/
}
static void LoadFont_f(cmd_state_t *cmd)
{
dp_font_t *f;
int i, sizes;
const char *filelist, *c, *cm;
float sz, scale, voffset;
char mainfont[MAX_QPATH];
if(Cmd_Argc(cmd) < 2)
{
Con_Printf("Available font commands:\n");
for(i = 0; i < dp_fonts.maxsize; ++i)
if (dp_fonts.f[i].title[0])
Con_Printf(" loadfont %s gfx/tgafile[...] [custom switches] [sizes...]\n", dp_fonts.f[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"
"custom switches:\n"
" scale x : scale all characters by this amount when rendering (doesnt change line height)\n"
" voffset x : offset all chars vertical when rendering, this is multiplied to character height\n"
);
return;
}
f = FindFont(Cmd_Argv(cmd, 1), true);
if(f == NULL)
{
Con_Printf("font function not found\n");
return;
}
else
{
if (strcmp(cmd->cmdline, f->cmdline) != 0 || r_font_always_reload.integer)
dp_strlcpy(f->cmdline, cmd->cmdline, MAX_FONT_CMDLINE);
else
{
Con_DPrintf("LoadFont: font %s is unchanged\n", Cmd_Argv(cmd, 1));
return;
}
}
if(Cmd_Argc(cmd) < 3)
filelist = "gfx/conchars";
else
filelist = Cmd_Argv(cmd, 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)
dp_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)
{
dp_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;
scale = 1;
voffset = 0;
if(Cmd_Argc(cmd) >= 4)
{
for(sizes = 0, i = 3; i < Cmd_Argc(cmd); ++i)
{
// special switches
if (!strcmp(Cmd_Argv(cmd, i), "scale"))
{
i++;
if (i < Cmd_Argc(cmd))
scale = atof(Cmd_Argv(cmd, i));
continue;
}
if (!strcmp(Cmd_Argv(cmd, i), "voffset"))
{
i++;
if (i < Cmd_Argc(cmd))
voffset = atof(Cmd_Argv(cmd, i));
continue;
}
if (sizes == -1)
continue; // no slot for other sizes
// parse one of sizes
sz = atof(Cmd_Argv(cmd, i));
if (sz > 0.001f && sz < 1000.0f) // do not use crap sizes
{
// search for duplicated sizes
int j;
for (j=0; j<sizes; j++)
if (f->req_sizes[j] == sz)
break;
if (j != sizes)
continue; // sz already in req_sizes, don't add it again
if (sizes == MAX_FONT_SIZES)
{
Con_Printf(CON_WARN "Warning: specified more than %i different font sizes, exceding ones are ignored\n", MAX_FONT_SIZES);
sizes = -1;
continue;
}
f->req_sizes[sizes] = sz;
sizes++;
}
}
}
LoadFont(true, mainfont, f, scale, voffset);
}
/*
===============
Draw_Init
===============
*/
static void gl_draw_start(void)
{
int i;
char vabuf[1024];
drawtexturepool = R_AllocTexturePool();
numcachepics = 0;
memset(cachepichash, 0, sizeof(cachepichash));
font_start();
// load default font textures
for(i = 0; i < dp_fonts.maxsize; ++i)
if (dp_fonts.f[i].title[0])
LoadFont(false, va(vabuf, sizeof(vabuf), "gfx/font_%s", dp_fonts.f[i].title), &dp_fonts.f[i], 1, 0);
}
static void gl_draw_shutdown(void)
{
font_shutdown();
R_FreeTexturePool(&drawtexturepool);
numcachepics = 0;
memset(cachepichash, 0, sizeof(cachepichash));
}
static void gl_draw_newmap(void)
{
int i;
font_newmap();
// mark all of the persistent pics so they are not purged...
for (i = 0; i < numcachepics; i++)
{
cachepic_t *pic = cachepics + i;
if (!pic->autoload && pic->skinframe)
R_SkinFrame_MarkUsed(pic->skinframe);
}
}
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_font_always_reload);
Cvar_RegisterVariable(&r_textshadow);
Cvar_RegisterVariable(&r_textbrightness);
Cvar_RegisterVariable(&r_textcontrast);
Cvar_RegisterVariable(&r_nearest_2d);
Cvar_RegisterVariable(&r_nearest_conchars);
// allocate fonts storage
fonts_mempool = Mem_AllocPool("FONTS", 0, NULL);
dp_fonts.maxsize = MAX_FONTS;
dp_fonts.f = (dp_font_t *)Mem_Alloc(fonts_mempool, sizeof(dp_font_t) * dp_fonts.maxsize);
memset(dp_fonts.f, 0, sizeof(dp_font_t) * dp_fonts.maxsize);
// assign starting font names
dp_strlcpy(FONT_DEFAULT->title, "default", sizeof(FONT_DEFAULT->title));
dp_strlcpy(FONT_DEFAULT->texpath, "gfx/conchars", sizeof(FONT_DEFAULT->texpath));
dp_strlcpy(FONT_CONSOLE->title, "console", sizeof(FONT_CONSOLE->title));
dp_strlcpy(FONT_SBAR->title, "sbar", sizeof(FONT_SBAR->title));
dp_strlcpy(FONT_NOTIFY->title, "notify", sizeof(FONT_NOTIFY->title));
dp_strlcpy(FONT_CHAT->title, "chat", sizeof(FONT_CHAT->title));
dp_strlcpy(FONT_CENTERPRINT->title, "centerprint", sizeof(FONT_CENTERPRINT->title));
dp_strlcpy(FONT_INFOBAR->title, "infobar", sizeof(FONT_INFOBAR->title));
dp_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++);
Cmd_AddCommand(CF_CLIENT, "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, NULL, NULL);
}
void DrawQ_Start(void)
{
r_refdef.draw2dstage = 1;
R_ResetViewRendering2D_Common(0, NULL, NULL, 0, 0, vid.mode.width, vid.mode.height, vid_conwidth.integer, vid_conheight.integer);
}
qbool r_draw2d_force = false;
void DrawQ_Pic(float x, float y, cachepic_t *pic, float width, float height, float red, float green, float blue, float alpha, int flags)
{
model_t *mod = CL_Mesh_UI();
msurface_t *surf;
int e0, e1, e2, e3;
if (!pic)
pic = Draw_CachePic("white");
// make sure pic is loaded - we don't use the texture here, Mod_Mesh_GetTexture looks up the skinframe by name
Draw_GetPicTexture(pic);
if (width == 0)
width = pic->width;
if (height == 0)
height = pic->height;
surf = Mod_Mesh_AddSurface(mod, Mod_Mesh_GetTexture(mod, pic->name, flags, pic->texflags, MATERIALFLAG_WALL | MATERIALFLAG_VERTEXCOLOR | MATERIALFLAG_ALPHAGEN_VERTEX | MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW), true);
e0 = Mod_Mesh_IndexForVertex(mod, surf, x , y , 0, 0, 0, -1, 0, 0, 0, 0, red, green, blue, alpha);
e1 = Mod_Mesh_IndexForVertex(mod, surf, x + width, y , 0, 0, 0, -1, 1, 0, 0, 0, red, green, blue, alpha);
e2 = Mod_Mesh_IndexForVertex(mod, surf, x + width, y + height, 0, 0, 0, -1, 1, 1, 0, 0, red, green, blue, alpha);
e3 = Mod_Mesh_IndexForVertex(mod, surf, x , y + height, 0, 0, 0, -1, 0, 1, 0, 0, red, green, blue, alpha);
Mod_Mesh_AddTriangle(mod, surf, e0, e1, e2);
Mod_Mesh_AddTriangle(mod, surf, e0, e2, e3);
}
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 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);
model_t *mod = CL_Mesh_UI();
msurface_t *surf;
int e0, e1, e2, e3;
if (!pic)
pic = Draw_CachePic("white");
// make sure pic is loaded - we don't use the texture here, Mod_Mesh_GetTexture looks up the skinframe by name
Draw_GetPicTexture(pic);
if (width == 0)
width = pic->width;
if (height == 0)
height = pic->height;
surf = Mod_Mesh_AddSurface(mod, Mod_Mesh_GetTexture(mod, pic->name, flags, pic->texflags, MATERIALFLAG_WALL | MATERIALFLAG_VERTEXCOLOR | MATERIALFLAG_ALPHAGEN_VERTEX | MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW), true);
e0 = Mod_Mesh_IndexForVertex(mod, surf, x - cosaf * org_x - cosar * org_y , y - sinaf * org_x - sinar * org_y , 0, 0, 0, -1, 0, 0, 0, 0, red, green, blue, alpha);
e1 = Mod_Mesh_IndexForVertex(mod, surf, x + cosaf * (width - org_x) - cosar * org_y , y + sinaf * (width - org_x) - sinar * org_y , 0, 0, 0, -1, 1, 0, 0, 0, red, green, blue, alpha);
e2 = Mod_Mesh_IndexForVertex(mod, surf, x + cosaf * (width - org_x) + cosar * (height - org_y), y + sinaf * (width - org_x) + sinar * (height - org_y), 0, 0, 0, -1, 1, 1, 0, 0, red, green, blue, alpha);
e3 = Mod_Mesh_IndexForVertex(mod, surf, x - cosaf * org_x + cosar * (height - org_y), y - sinaf * org_x + sinar * (height - org_y), 0, 0, 0, -1, 0, 1, 0, 0, red, green, blue, alpha);
Mod_Mesh_AddTriangle(mod, surf, e0, e1, e2);
Mod_Mesh_AddTriangle(mod, surf, e0, e2, e3);
}
void DrawQ_Fill(float x, float y, float width, float height, float red, float green, float blue, float alpha, int flags)
{
DrawQ_Pic(x, y, Draw_CachePic("white"), width, height, red, green, blue, alpha, flags);
}
/// color tag printing
const vec4_t string_colors[] =
{
// Quake3 colors
// LadyHavoc: why on earth is cyan before magenta in Quake3?
// LadyHavoc: note: Doom3 uses white for [0] and [7]
{0.0, 0.0, 0.0, 1.0}, // black
{1.0, 0.0, 0.0, 1.0}, // red
{0.0, 1.0, 0.0, 1.0}, // green
{1.0, 1.0, 0.0, 1.0}, // yellow
//{0.0, 0.0, 1.0, 1.0}, // blue
{0.05, 0.15, 1.0, 1.0}, // lighter blue, readable unlike the above
{0.0, 1.0, 1.0, 1.0}, // cyan
{1.0, 0.0, 1.0, 1.0}, // magenta
{1.0, 1.0, 1.0, 1.0}, // white
// [515]'s BX_COLOREDTEXT extension
{1.0, 1.0, 1.0, 0.5}, // half transparent
{0.5, 0.5, 0.5, 1.0} // half brightness
// Black's color table
//{1.0, 1.0, 1.0, 1.0},
//{1.0, 0.0, 0.0, 1.0},
//{0.0, 1.0, 0.0, 1.0},
//{0.0, 0.0, 1.0, 1.0},
//{1.0, 1.0, 0.0, 1.0},
//{0.0, 1.0, 1.0, 1.0},
//{1.0, 0.0, 1.0, 1.0},
//{0.1, 0.1, 0.1, 1.0}
};
#define STRING_COLORS_COUNT (sizeof(string_colors) / sizeof(vec4_t))
static void DrawQ_GetTextColor(float color[4], int colorindex, float r, float g, float b, float a, qbool shadow)
{
float C = r_textcontrast.value;
float B = r_textbrightness.value;
if (colorindex & 0x10000) // that bit means RGB color
{
color[0] = ((colorindex >> 12) & 0xf) / 15.0;
color[1] = ((colorindex >> 8) & 0xf) / 15.0;
color[2] = ((colorindex >> 4) & 0xf) / 15.0;
color[3] = (colorindex & 0xf) / 15.0;
}
else
Vector4Copy(string_colors[colorindex], color);
Vector4Set(color, color[0] * r * C + B, color[1] * g * C + B, color[2] * b * C + B, color[3] * a);
if (shadow)
{
float shadowalpha = (color[0]+color[1]+color[2]) * 0.8;
Vector4Set(color, 0, 0, 0, color[3] * bound(0, shadowalpha, 1));
}
}
// returns a colorindex (format 0x1RGBA) if str is a valid RGB string
// returns 0 otherwise
static int RGBstring_to_colorindex(const char *str)
{
Uchar ch;
int ind = 0x0001 << 4;
do {
if (*str <= '9' && *str >= '0')
ind |= (*str - '0');
else
{
ch = tolower(*str);
if (ch >= 'a' && ch <= 'f')
ind |= (ch - 87);
else
return 0;
}
++str;
ind <<= 4;
} while(!(ind & 0x10000));
return ind | 0xf; // add costant alpha value
}
// NOTE: this function always draws exactly one character if maxwidth <= 0
float DrawQ_TextWidth_UntilWidth_TrackColors_Scale(const char *text, size_t *maxlen, float w, float h, float sw, float sh, int *outcolor, qbool ignorecolorcodes, const dp_font_t *fnt, float maxwidth)
{
const char *text_start = text;
int colorindex;
size_t i;
float x = 0;
Uchar ch, mapch, nextch;
Uchar prevch = 0; // used for kerning
float kx;
int map_index = 0;
size_t bytes_left;
ft2_font_map_t *fontmap = NULL;
ft2_font_map_t *map = NULL;
ft2_font_t *ft2 = fnt->ft2;
// float ftbase_x;
qbool snap = true;
qbool least_one = false;
float dw; // display w
//float dh; // display h
const float *width_of;
if (!h) h = w;
if (!h) {
w = h = 1;
snap = false;
}
// do this in the end
w *= fnt->settings.scale;
h *= fnt->settings.scale;
// find the most fitting size:
if (ft2 != NULL)
{
if (snap)
map_index = Font_IndexForSize(ft2, h, &w, &h);
else
map_index = Font_IndexForSize(ft2, h, NULL, NULL);
fontmap = Font_MapForIndex(ft2, map_index);
}
dw = w * sw;
//dh = h * sh;
if (*maxlen < 1)
*maxlen = 1<<30;
if (!outcolor || *outcolor == -1)
colorindex = STRING_COLOR_DEFAULT;
else
colorindex = *outcolor;
// maxwidth /= fnt->scale; // w and h are multiplied by it already
// ftbase_x = snap_to_pixel_x(0);
if(maxwidth <= 0)
{
least_one = true;
maxwidth = -maxwidth;
}
//if (snap)
// x = snap_to_pixel_x(x, 0.4); // haha, it's 0 anyway
if (fontmap)
width_of = fnt->width_of_ft2[map_index];
else
width_of = fnt->width_of;
i = 0;
while (((bytes_left = *maxlen - (text - text_start)) > 0) && *text)
{
size_t i0 = i;
nextch = ch = u8_getnchar(text, &text, bytes_left);