669 lines
11 KiB
C
669 lines
11 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "quakedef.h"
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float scr_centertime_start; // for slow victory printing
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float scr_centertime_off;
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int char_texture;
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int scr_center_lines;
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int scr_erase_lines;
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int scr_erase_center;
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int font_initialised = true;
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cvar_t scr_centertime = {"scr_centertime", "2"};
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cvar_t scr_printspeed = {"scr_printspeed", "8"};
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qboolean scr_drawdialog;
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char scr_centerstring[1024];
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char *scr_notifystring;
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int char_texture;
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/*
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=========
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Font_Init
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=========
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*/
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void Font_Init(void)
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{
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byte *draw_chars;// 8*8 graphic characters
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int i;
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Cvar_RegisterVariable (&scr_centertime);
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Cvar_RegisterVariable (&scr_printspeed);
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char_texture = loadtextureimage ("gfx/wad/conchars", false, false);
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if (!char_texture)
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{
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draw_chars = W_GetLumpName ("conchars");
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for (i=0 ; i<256*64 ; i++)
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if (draw_chars[i] == 0)
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draw_chars[i] = 255;
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char_texture = GL_LoadTexture ("charset", 128, 128, draw_chars, false, true, 1);
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}
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}
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/*
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==============
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Draw_Character
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==============
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*/
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void Draw_Character (int x, int y, int num)
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{
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int row, col;
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float frow, fcol;
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//
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// Don't print spaces
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//
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if (num == 32)
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return;
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//
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// Return if we go offscreen
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//
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if (y <= -8)
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return;
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//
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// 255 chars in one charset
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//
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num &= 255;
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row = num>>4;
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col = num&15;
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//
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// Split up in 8X8 pictures
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//
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frow = row*0.0625;
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fcol = col*0.0625;
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//
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// Draw the characters
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//
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glBindTexture (GL_TEXTURE_2D, char_texture);
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glBegin (GL_QUADS);
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glTexCoord2f (fcol, frow); glVertex2f (x, y);
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glTexCoord2f (fcol + 0.0625, frow); glVertex2f (x + 8, y);
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glTexCoord2f (fcol + 0.0625, frow + 0.0625); glVertex2f (x + 8, y + 8);
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glTexCoord2f (fcol, frow + 0.0625); glVertex2f (x, y + 8);
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glEnd ();
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}
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/*
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================
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Draw_String
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================
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*/
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void Draw_Alt_String (int x, int y, char *str, int maxlen)
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{
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float r, g, b;
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int len;
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int num;
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int row, col;
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float frow, fcol;
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//
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// Return if we go offscreen
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//
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if (y <= -8)
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return;
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len = (maxlen) ? maxlen : strlen(str);
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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glBindTexture (GL_TEXTURE_2D, char_texture);
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glBegin (GL_QUADS);
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while (*str && len)
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{
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if (*str == '&')
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{
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++str;
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len--;
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if (!*str)
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{
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return;
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}
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switch(*str)
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{
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case 'f':
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{
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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r = (float)(*str - '0') * 0.11111111;
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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g = (float)(*str - '0') * 0.11111111;
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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b = (float)(*str - '0') * 0.11111111;
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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glColor3f(r,g,b);
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break;
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}
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case 'r':
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{
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glColor3f(1,1,1);
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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}
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default:
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{
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--str;
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len++;
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}
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}
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}
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if (*str != 32)
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{
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//
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// 255 chars in one charset
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//
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num = (int)(*str|128);
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num &= 255;
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row = num>>4;
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col = num&15;
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//
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// Split up in 8X8 pictures
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//
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frow = row*0.0625;
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fcol = col*0.0625;
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//
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// Draw the characters
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//
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glTexCoord2f (fcol, frow); glVertex2f (x, y);
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glTexCoord2f (fcol + 0.0625, frow); glVertex2f (x + 8, y);
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glTexCoord2f (fcol + 0.0625, frow + 0.0625); glVertex2f (x + 8, y + 8);
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glTexCoord2f (fcol, frow + 0.0625); glVertex2f (x, y + 8);
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}
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++str;
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len--;
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x += 8;
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if (x > (signed)vid.width - 16)
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y += 8;
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}
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glEnd ();
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glColor3f(1,1,1);
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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}
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/*
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================
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Draw_String
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================
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*/
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void Draw_String (int x, int y, char *str, int maxlen)
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{
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float r, g, b;
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int len;
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int num;
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int row, col;
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float frow, fcol;
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//
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// Return if we go offscreen
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//
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if (y <= -8)
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return;
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len = (maxlen) ? maxlen : strlen(str);
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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glBindTexture (GL_TEXTURE_2D, char_texture);
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glBegin (GL_QUADS);
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while (*str && len)
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{
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if (*str == '&')
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{
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++str;
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len--;
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if (!*str)
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{
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return;
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}
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switch(*str)
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{
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case 'f':
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{
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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r = (float)(*str - '0') * 0.11111111;
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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g = (float)(*str - '0') * 0.11111111;
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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b = (float)(*str - '0') * 0.11111111;
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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glColor3f(r,g,b);
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break;
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}
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case 'r':
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{
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glColor3f(1,1,1);
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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++str;
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len--;
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if(!*str)
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{
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return;
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}
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}
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default:
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{
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--str;
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len++;
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}
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}
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}
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if (*str != 32)
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{
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//
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// 255 chars in one charset
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//
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num = (int)*str;
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num &= 255;
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row = num>>4;
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col = num&15;
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//
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// Split up in 8X8 pictures
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//
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frow = row*0.0625;
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fcol = col*0.0625;
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//
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// Draw the characters
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//
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glTexCoord2f (fcol, frow); glVertex2f (x, y);
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glTexCoord2f (fcol + 0.0625, frow); glVertex2f (x + 8, y);
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glTexCoord2f (fcol + 0.0625, frow + 0.0625); glVertex2f (x + 8, y + 8);
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glTexCoord2f (fcol, frow + 0.0625); glVertex2f (x, y + 8);
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}
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++str;
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len--;
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x += 8;
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if (x > (signed)vid.width - 16)
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y += 8;
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}
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glEnd ();
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glColor3f(1,1,1);
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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}
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/*
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===============================================================================
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CENTER PRINTING
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===============================================================================
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*/
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/*
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==============
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CPrintf
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prints a font to centered to the screen, is removed after it is stopped being called
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==============
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*/
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void CPrintf(char *str)
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{
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int x,y,l,j;
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int font = 0;
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y = vid.height*0.35;
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do
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{
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// scan the width of the line
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for (l=0 ; l<40 ; l++)
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{
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if (str[l] == '\n' || !str[l])
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break;
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}
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x = (vid.width - l*20)/2;
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for (j=0 ; j<l ; j++, x+=20)
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{
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Draw_Character (x, y, str[j]);
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}
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y += 30;
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while (*str && *str != '\n')
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str++;
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if (!*str)
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break;
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str++; // skip the \n
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} while (1);
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}
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/*
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==============
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SCR_CenterPrint
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Called for important messages that should stay in the center of the screen
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for a few moments
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==============
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*/
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void SCR_CenterPrint (char *str)
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{
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strncpy (scr_centerstring, str, sizeof(scr_centerstring)-1);
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scr_centertime_off = scr_centertime.value;
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scr_centertime_start = cl.time;
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if(print_center_to_console.value)
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Con_Printf("%s\n", str);
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// count the number of lines for centering
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scr_center_lines = 1;
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while (*str)
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{
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if (*str == '\n')
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scr_center_lines++;
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str++;
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}
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}
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void SCR_DrawCenterString (void)
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{
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char *start;
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int l;
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int j;
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int x, y;
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int remaining;
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float fade;
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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// the finale prints the characters one at a time
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if (cl.intermission)
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remaining = scr_printspeed.value * (cl.time - scr_centertime_start);
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else
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remaining = 9999;
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scr_erase_center = 0;
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start = scr_centerstring;
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if (scr_center_lines <= 4)
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y = vid.height*0.35;
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else
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y = 48;
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do
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{
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// scan the width of the line
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for (l=0 ; l<40 ; l++)
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if (start[l] == '\n' || !start[l])
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break;
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x = (vid.width - l*8)/2;
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if (!cl.intermission && centerfade.value)
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{
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if (cl.time - scr_centertime_start < 1)
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fade = (cl.time - scr_centertime_start);
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else
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fade = -(cl.time - scr_centertime_start) + 2;
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}
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else
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fade = 1;
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for (j=0 ; j<l ; j++, x+=8)
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{
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if (!cl.intermission && centerfade.value)
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glColor4f(1,1,1,fade);
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Draw_Character (x, y, start[j]);
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if (!remaining--)
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{
|
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glColor4f(1,1,1,1);
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return;
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}
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}
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|
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y += 8;
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|
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while (*start && *start != '\n')
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start++;
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|
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if (!*start)
|
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break;
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start++; // skip the \n
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} while (1);
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|
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glColor4f(1,1,1,1);
|
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
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}
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|
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void SCR_CheckDrawCenterString (void)
|
|
{
|
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scr_copytop = 1;
|
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if (scr_center_lines > scr_erase_lines)
|
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scr_erase_lines = scr_center_lines;
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|
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scr_centertime_off -= host_frametime;
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|
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if (scr_centertime_off <= 0 && !cl.intermission)
|
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return;
|
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if (key_dest != key_game)
|
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return;
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|
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SCR_DrawCenterString ();
|
|
}
|
|
|
|
void SCR_DrawNotifyString (void)
|
|
{
|
|
char *start;
|
|
int l;
|
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int x, y;
|
|
|
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start = scr_notifystring;
|
|
|
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y = vid.height*0.35;
|
|
|
|
do
|
|
{
|
|
// scan the width of the line
|
|
for (l=0 ; l<40 ; l++)
|
|
if (start[l] == '\n' || !start[l])
|
|
break;
|
|
x = (vid.width - l*8)/2;
|
|
// for (j=0 ; j<l ; j++, x+=8)
|
|
// Draw_Character (x, y, start[j]);
|
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Draw_String (x, y, start, l);
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|
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y += 8;
|
|
|
|
while (*start && *start != '\n')
|
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start++;
|
|
|
|
if (!*start)
|
|
break;
|
|
start++; // skip the \n
|
|
} while (1);
|
|
}
|
|
|
|
/*
|
|
==================
|
|
SCR_ModalMessage
|
|
|
|
Displays a text string in the center of the screen and waits for a Y or N
|
|
keypress.
|
|
==================
|
|
*/
|
|
int SCR_ModalMessage (char *text)
|
|
{
|
|
if (cls.state == ca_dedicated)
|
|
return true;
|
|
|
|
scr_notifystring = text;
|
|
|
|
// draw a fresh screen
|
|
scr_fullupdate = 0;
|
|
scr_drawdialog = true;
|
|
SCR_UpdateScreen ();
|
|
scr_drawdialog = false;
|
|
|
|
S_ClearBuffer (); // so dma doesn't loop current sound
|
|
|
|
do
|
|
{
|
|
key_count = -1; // wait for a key down and up
|
|
Sys_SendKeyEvents ();
|
|
} while (key_lastpress != 'y' && key_lastpress != 'n' && key_lastpress != K_ESCAPE);
|
|
|
|
scr_fullupdate = 0;
|
|
SCR_UpdateScreen ();
|
|
|
|
return key_lastpress == 'y';
|
|
} |