ref: db9b193ab08b9e033e80887e31ac7cca8203d906
dir: /qw/console.c/
#include <u.h>
#include <libc.h>
#include <stdio.h>
#include "quakedef.h"
int con_ormask;
console_t con_main;
console_t con_chat;
console_t *con; // point to either con_main or con_chat
int con_linewidth; // characters across screen
int con_totallines; // total lines in console scrollback
float con_cursorspeed = 4;
cvar_t con_notifytime = {"con_notifytime","3"}; //seconds
#define NUM_CON_TIMES 4
float con_times[NUM_CON_TIMES]; // realtime time the line was generated
// for transparent notify lines
int con_vislines;
int con_notifylines; // scan lines to clear for notify lines
#define MAXCMDLINE 256
extern char key_lines[32][MAXCMDLINE];
extern int edit_line;
extern int key_linepos;
bool con_initialized;
void Key_ClearTyping (void)
{
key_lines[edit_line][1] = 0; // clear any typing
key_linepos = 1;
}
/*
================
Con_ToggleConsole_f
================
*/
void Con_ToggleConsole_f (void)
{
Key_ClearTyping ();
if (key_dest == key_console)
{
if (cls.state == ca_active){
key_dest = key_game;
IN_Grabm(1);
}
}
else{
key_dest = key_console;
IN_Grabm(0);
}
Con_ClearNotify ();
}
/*
================
Con_ToggleChat_f
================
*/
void Con_ToggleChat_f (void)
{
Key_ClearTyping ();
if (key_dest == key_console)
{
if (cls.state == ca_active)
key_dest = key_game;
}
else
key_dest = key_console;
Con_ClearNotify ();
}
/*
================
Con_Clear_f
================
*/
void Con_Clear_f (void)
{
memset (con_main.text, ' ', CON_TEXTSIZE);
memset (con_chat.text, ' ', CON_TEXTSIZE);
}
/*
================
Con_ClearNotify
================
*/
void Con_ClearNotify (void)
{
int i;
for (i=0 ; i<NUM_CON_TIMES ; i++)
con_times[i] = 0;
}
/*
================
Con_MessageMode_f
================
*/
void Con_MessageMode_f (void)
{
chat_team = false;
key_dest = key_message;
}
/*
================
Con_MessageMode2_f
================
*/
void Con_MessageMode2_f (void)
{
chat_team = true;
key_dest = key_message;
}
/*
================
Con_Resize
================
*/
void Con_Resize (console_t *con)
{
int i, j, width, oldwidth, oldtotallines, numlines, numchars;
char tbuf[CON_TEXTSIZE];
width = (vid.width >> 3) - 2;
if (width == con_linewidth)
return;
if (width < 1) // video hasn't been initialized yet
{
width = 38;
con_linewidth = width;
con_totallines = CON_TEXTSIZE / con_linewidth;
memset (con->text, ' ', CON_TEXTSIZE);
}
else
{
oldwidth = con_linewidth;
con_linewidth = width;
oldtotallines = con_totallines;
con_totallines = CON_TEXTSIZE / con_linewidth;
numlines = oldtotallines;
if (con_totallines < numlines)
numlines = con_totallines;
numchars = oldwidth;
if (con_linewidth < numchars)
numchars = con_linewidth;
memcpy (tbuf, con->text, CON_TEXTSIZE);
memset (con->text, ' ', CON_TEXTSIZE);
for (i=0 ; i<numlines ; i++)
{
for (j=0 ; j<numchars ; j++)
{
con->text[(con_totallines - 1 - i) * con_linewidth + j] =
tbuf[((con->current - i + oldtotallines) %
oldtotallines) * oldwidth + j];
}
}
Con_ClearNotify ();
}
con->current = con_totallines - 1;
con->display = con->current;
}
/*
================
Con_CheckResize
If the line width has changed, reformat the buffer.
================
*/
void Con_CheckResize (void)
{
Con_Resize (&con_main);
Con_Resize (&con_chat);
}
/*
================
Con_Init
================
*/
void Con_Init (void)
{
con = &con_main;
con_linewidth = -1;
Con_CheckResize ();
Con_Printf ("Console initialized.\n");
//
// register our commands
//
Cvar_RegisterVariable (&con_notifytime);
Cmd_AddCommand ("toggleconsole", Con_ToggleConsole_f);
Cmd_AddCommand ("togglechat", Con_ToggleChat_f);
Cmd_AddCommand ("messagemode", Con_MessageMode_f);
Cmd_AddCommand ("messagemode2", Con_MessageMode2_f);
Cmd_AddCommand ("clear", Con_Clear_f);
con_initialized = true;
}
/*
===============
Con_Linefeed
===============
*/
void Con_Linefeed (void)
{
con->x = 0;
if (con->display == con->current)
con->display++;
con->current++;
memset (&con->text[(con->current%con_totallines)*con_linewidth]
, ' ', con_linewidth);
}
/*
================
Con_Print
Handles cursor positioning, line wrapping, etc
All console printing must go through this in order to be logged to disk
If no console is visible, the notify window will pop up.
================
*/
void Con_Print (char *txt)
{
int y;
int c, l;
static int cr;
int mask;
if (txt[0] == 1 || txt[0] == 2)
{
mask = 128; // go to colored text
txt++;
}
else
mask = 0;
while ( (c = *txt) )
{
// count word length
for (l=0 ; l< con_linewidth ; l++)
if ( txt[l] <= ' ')
break;
// word wrap
if (l != con_linewidth && (con->x + l > con_linewidth) )
con->x = 0;
txt++;
if (cr)
{
con->current--;
cr = false;
}
if (!con->x)
{
Con_Linefeed ();
// mark time for transparent overlay
if (con->current >= 0)
con_times[con->current % NUM_CON_TIMES] = realtime;
}
switch (c)
{
case '\n':
con->x = 0;
break;
case '\r':
con->x = 0;
cr = 1;
break;
default: // display character and advance
y = con->current % con_totallines;
con->text[y*con_linewidth+con->x] = c | mask | con_ormask;
con->x++;
if (con->x >= con_linewidth)
con->x = 0;
break;
}
}
}
/*
================
Con_Printf
Handles cursor positioning, line wrapping, etc
================
*/
#define MAXPRINTMSG 4096
// FIXME: make a buffer size safe vsprintf?
void Con_Printf (char *fmt, ...)
{
va_list argptr;
char msg[MAXPRINTMSG];
static bool inupdate;
va_start (argptr,fmt);
vsprintf (msg,fmt,argptr);
va_end (argptr);
// also echo to debugging console
Sys_Printf ("%s", msg); // also echo to debugging console
if (!con_initialized)
return;
// write it to the scrollable buffer
Con_Print (msg);
// update the screen immediately if the console is displayed
if (cls.state != ca_active)
{
// protect against infinite loop if something in SCR_UpdateScreen calls
// Con_Printd
if (!inupdate)
{
inupdate = true;
SCR_UpdateScreen ();
inupdate = false;
}
}
}
/*
================
Con_DPrintf
A Con_Printf that only shows up if the "developer" cvar is set
================
*/
void Con_DPrintf (char *fmt, ...)
{
va_list argptr;
char msg[MAXPRINTMSG];
if (!developer.value)
return; // don't confuse non-developers with techie stuff...
va_start (argptr,fmt);
vsprintf (msg,fmt,argptr);
va_end (argptr);
Con_Printf ("%s", msg);
}
/*
==============================================================================
DRAWING
==============================================================================
*/
/*
================
Con_DrawInput
The input line scrolls horizontally if typing goes beyond the right edge
================
*/
void Con_DrawInput (void)
{
int i;
char *text;
if (key_dest != key_console && cls.state == ca_active)
return; // don't draw anything (allways draw if not active)
text = key_lines[edit_line];
// add the cursor frame
text[key_linepos] = 10+((int)(realtime*con_cursorspeed)&1);
// fill out remainder with spaces
for (i=key_linepos+1 ; i< con_linewidth ; i++)
text[i] = ' ';
// prestep if horizontally scrolling
if (key_linepos >= con_linewidth)
text += 1 + key_linepos - con_linewidth;
// draw it
//int y = con_vislines-22;
for (i=0 ; i<con_linewidth ; i++)
Draw_Character ( (i+1)<<3, con_vislines - 22, text[i]);
// remove cursor
key_lines[edit_line][key_linepos] = 0;
}
/*
================
Con_DrawNotify
Draws the last few lines of output transparently over the game top
================
*/
void Con_DrawNotify (void)
{
int x, v;
char *text;
int i;
float time;
char *s;
int skip;
v = 0;
for (i= con->current-NUM_CON_TIMES+1 ; i<=con->current ; i++)
{
if (i < 0)
continue;
time = con_times[i % NUM_CON_TIMES];
if (time == 0)
continue;
time = realtime - time;
if (time > con_notifytime.value)
continue;
text = con->text + (i % con_totallines)*con_linewidth;
clearnotify = 0;
scr_copytop = 1;
for (x = 0 ; x < con_linewidth ; x++)
Draw_Character ( (x+1)<<3, v, text[x]);
v += 8;
}
if (key_dest == key_message)
{
clearnotify = 0;
scr_copytop = 1;
if (chat_team)
{
Draw_String (8, v, "say_team:");
skip = 11;
}
else
{
Draw_String (8, v, "say:");
skip = 5;
}
s = chat_buffer;
if (chat_bufferlen > (vid.width>>3)-(skip+1))
s += chat_bufferlen - ((vid.width>>3)-(skip+1));
x = 0;
while(s[x])
{
Draw_Character ( (x+skip)<<3, v, s[x]);
x++;
}
Draw_Character ( (x+skip)<<3, v, 10+((int)(realtime*con_cursorspeed)&1));
v += 8;
}
if (v > con_notifylines)
con_notifylines = v;
}
/*
================
Con_DrawConsole
Draws the console with the solid background
================
*/
void Con_DrawConsole (int lines)
{
int i, j, x, y, n;
int rows;
char *text;
int row;
char dlbar[1024];
if (lines <= 0)
return;
// draw the background
Draw_ConsoleBackground (lines);
// draw the text
con_vislines = lines;
// changed to line things up better
rows = (lines-22)>>3; // rows of text to draw
y = lines - 30;
// draw from the bottom up
if (con->display != con->current)
{
// draw arrows to show the buffer is backscrolled
for (x=0 ; x<con_linewidth ; x+=4)
Draw_Character ( (x+1)<<3, y, '^');
y -= 8;
rows--;
}
row = con->display;
for (i=0 ; i<rows ; i++, y-=8, row--)
{
if (row < 0)
break;
if (con->current - row >= con_totallines)
break; // past scrollback wrap point
text = con->text + (row % con_totallines)*con_linewidth;
for (x=0 ; x<con_linewidth ; x++)
Draw_Character ( (x+1)<<3, y, text[x]);
}
// draw the download bar
// figure out width
if (cls.download) {
if ((text = strrchr(cls.downloadname, '/')) != NULL)
text++;
else
text = cls.downloadname;
x = con_linewidth - ((con_linewidth * 7) / 40);
y = x - strlen(text) - 8;
i = con_linewidth/3;
if (strlen(text) > i) {
y = x - i - 11;
strncpy(dlbar, text, i);
dlbar[i] = 0;
strcat(dlbar, "...");
} else
strcpy(dlbar, text);
strcat(dlbar, ": ");
i = strlen(dlbar);
dlbar[i++] = 0x80;
// where's the dot go?
if (cls.downloadpercent == 0)
n = 0;
else
n = y * cls.downloadpercent / 100;
for (j = 0; j < y; j++)
if (j == n)
dlbar[i++] = 0x83;
else
dlbar[i++] = 0x81;
dlbar[i++] = 0x82;
dlbar[i] = 0;
sprintf(dlbar + strlen(dlbar), " %02d%%", cls.downloadpercent);
// draw it
y = con_vislines-22 + 8;
for (i = 0; i < strlen(dlbar); i++)
Draw_Character ( (i+1)<<3, y, dlbar[i]);
}
// draw the input prompt, user text, and cursor if desired
Con_DrawInput ();
}
/*
==================
Con_NotifyBox
==================
*/
void Con_NotifyBox (char *text)
{
double t1, t2;
// during startup for sound / cd warnings
Con_Printf("\n\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\37\n");
Con_Printf (text);
Con_Printf ("Press a key.\n");
Con_Printf("\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\37\n");
key_count = -2; // wait for a key down and up
key_dest = key_console;
do
{
t1 = Sys_DoubleTime ();
SCR_UpdateScreen ();
Sys_SendKeyEvents ();
t2 = Sys_DoubleTime ();
realtime += t2-t1; // make the cursor blink
} while (key_count < 0);
Con_Printf ("\n");
key_dest = key_game;
realtime = 0; // put the cursor back to invisible
}
/*
==================
Con_SafePrintf
Okay to call even when the screen can't be updated
==================
*/
void Con_SafePrintf (char *fmt, ...)
{
va_list argptr;
char msg[1024];
int temp;
va_start (argptr,fmt);
vsprintf (msg,fmt,argptr);
va_end (argptr);
temp = scr_disabled_for_loading;
scr_disabled_for_loading = true;
Con_Printf ("%s", msg);
scr_disabled_for_loading = temp;
}