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console.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.
*/
// console.c
//#ifdef NeXT
//#include <libc.h>
//#endif
#ifdef _WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
#include <fcntl.h>
#include "quakedef.h"
#include "movie.h" // just for Movie_IsActive check in Con_Print
#define CON_CHARWIDTH DRAW_CHARWIDTH
#define CON_LINEHEIGHT DRAW_CHARWIDTH
//#define CON_EMPTYCHAR ' '
#define CON_EMPTYCHAR 0
#define CON_STARTWIDTH 80 // JDH: was 38
#define CON_CURSORSPEED 2.0 // JDH: originally 4
qboolean con_initialized = false;
int con_linewidth;
int con_x; // offset in current line for next print
FILE *con_debuglog = NULL; // JDH: log is now kept open (no more performance hit)
#ifndef RQM_SV_ONLY
#define CON_TEXTSIZE 65536
#define CON_MINSIZE 16384 //johnfitz -- old default, now the minimum size
int con_buffersize = 0; //johnfitz -- user can now override default
qboolean con_forcedup; // because no entities to refresh
int con_totallines; // total lines in console scrollback
int con_numlines = 0; // number of non-blank text lines, used for backscrolling, added by joe
int con_backscroll; // lines up from bottom to display
int con_current; // where next message will be printed
#ifdef HEXEN2_SUPPORT
typedef short conchar_t; // 9-bit characters
#else
typedef char conchar_t;
#endif
conchar_t *con_text = NULL;
// JDH: code assumes MAXCMDLINES is a power of 2
#define MAXCMDLINES 64 // 32 doubled -- joe
typedef struct linehist_s
{
char text[MAXCMDLINELEN];
// char *pre_completion; // JDH: unfinished idea
// char *post_completion;
} linehist_t;
// joe: stuff from [sons]Quake for saved history lines
typedef struct
{
int con_editline;
int con_histline;
int linepos;
char lines[MAXCMDLINES][MAXCMDLINELEN];
} cmdhistory_t;
qboolean On_Change_con_linespacing (cvar_t *var, const char *string);
cvar_t con_notifytime = {"con_notifytime", "3", CVAR_FLAG_ARCHIVE}; //seconds
cvar_t _con_notifylines = {"con_notifylines", "4", CVAR_FLAG_ARCHIVE};
cvar_t con_linespacing = {"con_linespacing", "0", CVAR_FLAG_ARCHIVE, On_Change_con_linespacing}; // JDH
cvar_t con_autocomplete = {"con_autocomplete", "1", CVAR_FLAG_ARCHIVE}; // JDH
#define NUM_CON_TIMES 16
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
int con_lineheight = CON_LINEHEIGHT; // note: change this if default value of con_linespacing is changed
linehist_t con_keylines[MAXCMDLINES];
int con_editpos;
int con_editline = 0;
int con_histline = 0;
int con_insert = 1; // joe: from [sons]Quake
int con_selstart; // JDH: for auto-complete
char con_lastcenterstring[MAXPRINTMSG]; // JDH (from fitz)
cvar_t con_logcenterprint = {"con_logcenterprint", "1", CVAR_FLAG_ARCHIVE}; // JDH (from fitz)
#define CON_CLEARSEL() \
if (con_selstart) \
{ \
con_keylines[con_editline].text[con_selstart] = 0; \
con_selstart = 0; \
}
/*
================
Con_ToggleConsole_f
================
*/
void Con_ToggleConsole_f (cmd_source_t src)
{
// con_keylines[con_editline][1] = 0; // clear any typing
// con_editpos = 1;
if ((key_dest == key_console) || ((key_dest == key_game) && (cls.state != ca_connected)))
{
if (cls.state == ca_connected)
key_dest = key_game;
else
// M_Menu_Main_f ();
key_dest = key_menu;
}
else
{
key_dest = key_console;
}
SCR_EndLoadingPlaque ();
memset (con_times, 0, sizeof(con_times));
}
/*
================
Con_Clear_f
================
*/
void Con_Clear_f (cmd_source_t src)
{
if (con_text)
memset (con_text, CON_EMPTYCHAR, con_buffersize*sizeof(conchar_t));
}
/*
================
Con_ClearNotify
================
*/
void Con_ClearNotify (void)
{
int i;
for (i=0 ; i<NUM_CON_TIMES ; i++)
con_times[i] = 0;
}
/*
================
Con_MessageMode_f
================
*/
extern qboolean team_message;
void Con_MessageMode_f (cmd_source_t src)
{
key_dest = key_message;
team_message = false;
}
/*
================
Con_MessageMode2_f
================
*/
void Con_MessageMode2_f (cmd_source_t src)
{
key_dest = key_message;
team_message = true;
}
qboolean On_Change_con_linespacing (cvar_t *var, const char *string)
{
float val = Q_atof (string);
if ((val < var->minvalue) || (val > var->maxvalue) || (val != (int)val))
{
Con_Printf ("%s must be an integer between %d and %d\n", var->name, var->minvalue, var->maxvalue);
return true;
}
con_lineheight = CON_LINEHEIGHT + val;
return false; // allow change
}
/*
================
Con_CheckResize
If the line width has changed, reformat the buffer.
================
*/
void Con_CheckResize (void)
{
int i, j, width, oldwidth, oldtotallines, numlines, numchars;
conchar_t *tbuf;
width = (vid.conwidth / CON_CHARWIDTH) - 2;
if (width == con_linewidth)
return;
if (width < 1) // video hasn't been initialized yet
{
width = CON_STARTWIDTH;
con_linewidth = width;
con_totallines = con_buffersize / con_linewidth;
memset (con_text, CON_EMPTYCHAR, con_buffersize*sizeof(conchar_t));
}
else
{
oldwidth = con_linewidth;
con_linewidth = width;
oldtotallines = con_totallines;
con_totallines = con_buffersize / con_linewidth;
numlines = oldtotallines;
if (con_totallines < numlines)
numlines = con_totallines;
numchars = oldwidth;
if (con_linewidth < numchars)
numchars = con_linewidth;
tbuf = Q_malloc (con_buffersize*sizeof(conchar_t));
memcpy (tbuf, con_text, con_buffersize*sizeof(conchar_t));
memset (con_text, CON_EMPTYCHAR, con_buffersize*sizeof(conchar_t));
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];
}
}
free (tbuf);
Con_ClearNotify ();
}
con_backscroll = 0;
con_current = con_totallines - 1;
}
/*
================
Con_AdjustHeight
by joe, from ZQuake; JDH: fixed to use proper line height
================
*/
void Con_AdjustHeight (int delta)
{
extern cvar_t scr_consize;
// int height;
float height;
if (!cl.worldmodel || cls.signon != SIGNONS)
return;
height = (scr_consize.value * vid.height) + delta;
// height = (scr_consize.value * vid.height + delta + 5) / 10;
// height *= 10;
if (delta < 0 && height < 30)
height = 30;
if (delta > 0 && height > vid.height - 10)
height = vid.height - 10;
Cvar_SetValueDirect (&scr_consize, (float)height / vid.height);
}
void Con_SaveHistory (void)
{
// joe: stuff from [sons]Quake
FILE *cmdhist;
cmdhistory_t cmdhistory;
int i, j;
cmdhist = fopen(va("%s/%s/cmdhist.dat", com_basedir, RQMDIR), "wb");
if (!cmdhist)
cmdhist = fopen(va("%s/cmdhist.dat", com_basedir), "wb");
if (cmdhist)
{
CON_CLEARSEL();
for (i=0 ; i<MAXCMDLINES ; i++)
for (j=0 ; j<MAXCMDLINELEN ; j++)
cmdhistory.lines[i][j] = con_keylines[i].text[j];
cmdhistory.linepos = con_editpos;
cmdhistory.con_histline = con_histline;
cmdhistory.con_editline = con_editline;
fwrite (&cmdhistory, sizeof(cmdhistory_t), 1, cmdhist);
fclose (cmdhist);
}
}
void Con_LoadHistory (void)
{
FILE *cmdhist;
cmdhistory_t cmdhistory;
int i, j;
cmdhist = fopen(va("%s/%s/cmdhist.dat", com_basedir, RQMDIR), "rb");
if (!cmdhist)
cmdhist = fopen(va("%s/cmdhist.dat", com_basedir), "rb");
if (cmdhist)
{
fread (&cmdhistory, sizeof(cmdhistory_t), 1, cmdhist);
fclose (cmdhist);
for (i=0 ; i<MAXCMDLINES ; i++)
for (j=0 ; j<MAXCMDLINELEN ; j++)
con_keylines[i].text[j] = cmdhistory.lines[i][j];
con_editpos = cmdhistory.linepos;
con_histline = cmdhistory.con_histline;
con_editline = cmdhistory.con_editline;
}
else
{
for (i=0 ; i<MAXCMDLINES ; i++)
{
con_keylines[i].text[0] = ']';
con_keylines[i].text[1] = 0;
}
con_editpos = 1;
}
}
#endif //#ifndef RQM_SV_ONLY
/*
================
Con_PreInit
JDH: splitting this from Con_Init allows console to be active earlier
================
*/
void Con_PreInit (void)
{
#ifndef RQM_SV_ONLY
int parm;
//johnfitz -- user settable console buffer size
parm = COM_CheckParm ("-consize");
if (parm && (parm+1 < com_argc))
con_buffersize = max (CON_MINSIZE, Q_atoi (com_argv[ parm+1 ])*1024);
else
con_buffersize = CON_TEXTSIZE;
con_text = Hunk_AllocName (con_buffersize*sizeof(conchar_t), "context");
con_linewidth = CON_STARTWIDTH;
con_totallines = con_buffersize / con_linewidth;
memset (con_text, CON_EMPTYCHAR, con_buffersize*sizeof(conchar_t));
con_backscroll = 0;
con_current = con_totallines - 1;
// register our commands
Cvar_RegisterFloat (&con_notifytime, 0, 5);
Cvar_RegisterInt (&_con_notifylines, 0, NUM_CON_TIMES);
Cvar_RegisterInt (&con_linespacing, 0, CON_LINEHEIGHT);
Cvar_RegisterInt (&con_autocomplete, 0, 2);
Cvar_RegisterInt (&con_logcenterprint, 0, 2); //johnfitz
Cmd_AddCommand ("toggleconsole", Con_ToggleConsole_f, 0);
Cmd_AddCommand ("messagemode", Con_MessageMode_f, 0);
Cmd_AddCommand ("messagemode2", Con_MessageMode2_f, 0);
Cmd_AddCommand ("clear", Con_Clear_f, 0);
#else
con_linewidth = 80;
#endif
}
/*
================
Con_Init
JDH: Con_PreInit *MUST* be called first!
================
*/
void Con_Init (void)
{
char temp[MAX_OSPATH];
if ((COM_CheckParm("-condebug")))
{
Q_snprintfz (temp, sizeof(temp), "%s/qconsole.log", com_gamedir);
unlink (temp);
con_debuglog = fopen (temp, "a+t");
}
#ifndef RQM_SV_ONLY
Con_LoadHistory ();
#endif
con_initialized = true;
// Con_Print ("Console initialized\n");
}
/*
================
Con_Shutdown
================
*/
void Con_Shutdown (void)
{
if (con_debuglog)
{
fflush (con_debuglog);
fclose (con_debuglog);
con_debuglog = NULL;
}
}
/*
================
Con_DebugLog
================
*/
void Con_DebugLog (const char *msg)
{
if (con_debuglog)
{
fputs (msg, con_debuglog);
}
}
#ifndef RQM_SV_ONLY
#ifdef HEXEN2_SUPPORT
/*
===============
Con_UpdateChars_H2
- changes the colored character bit when switching to/from hexen2
===============
*/
void Con_UpdateChars_H2 (qboolean isH2)
{
int oldmask, newmask, i, j;
conchar_t *text;
if (isH2)
{
oldmask = 128;
newmask = 256;
}
else
{
oldmask = 256;
newmask = 128;
}
for (i = 0 ; i < con_numlines ; i++)
{
j = con_current - con_numlines + i;
text = con_text + (j % con_totallines)*con_linewidth;
for (j = 0 ; j < con_linewidth ; j++)
{
if (text[j] & oldmask)
text[j] = (text[j] & ~oldmask) | newmask;
}
}
}
#endif
/*
===============
Con_Linefeed
===============
*/
void Con_Linefeed (void)
{
con_x = 0;
con_current++;
if (con_numlines < con_totallines) // by joe
con_numlines++;
memset (&con_text[(con_current%con_totallines)*con_linewidth], CON_EMPTYCHAR, con_linewidth*sizeof(conchar_t));
// mark time for transparent overlay
if (con_current > 0)
con_times[(con_current-1) % NUM_CON_TIMES] = realtime;
}
/*
===============
Con_InsertText (JDH: for pasting from clip)
===============
*/
void Con_InsertText (const char *text)
{
int len = strlen (text);
if (len + strlen(con_keylines[con_editline].text) > MAXCMDLINELEN - 1)
len = MAXCMDLINELEN - 1 - strlen(con_keylines[con_editline].text);
if (len > 0)
{ // insert the string
memmove (con_keylines[con_editline].text + con_editpos + len,
con_keylines[con_editline].text + con_editpos,
strlen(con_keylines[con_editline].text) - con_editpos + 1);
memcpy (con_keylines[con_editline].text + con_editpos, text, len);
con_editpos += len;
}
}
/*
================
Con_AddText (JDH: used to be called 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_AddText (const char *txt)
{
int y, c, l, mask = 0;
// static int cr;
con_backscroll = 0;
if (txt[0] == 1)
{
#ifdef HEXEN2_SUPPORT
if (hexen2)
{
mask = 256;
S_LocalSound ("misc/comm.wav");
}
else
#endif
{
mask = 128; // go to colored text
S_LocalSound ("misc/talk.wav"); // play talk wav
}
txt++;
}
else if (txt[0] == 2)
{
#ifdef HEXEN2_SUPPORT
if (hexen2)
mask = 256;
else
#endif
mask = 128; // go to colored text
txt++;
}
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_Linefeed ();//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 '\r':
if (*txt == '\n')
txt++;
case '\n':
Con_Linefeed ();//con_x = 0;
break;
default: // display character and advance
y = con_current % con_totallines;
con_text[y*con_linewidth+con_x] = c | mask;
con_x++;
if (con_x >= con_linewidth)
{
Con_Linefeed ();//con_x = 0;
// JDH: skip newline if right after line break
if (*txt == '\r')
txt++;
if (*txt == '\n')
txt++;
}
break;
}
}
}
/*
==================
JDH: paged output - for printing large amounts of data; pauses after each screenful
==================
*/
int con_pageheight = Q_MAXINT; // max # lines to output before breaking
int con_pagestart = 0; // value of con_current when paged output is started
void Con_PagedOutput_Begin (void)
{
if (scr_conlines)
{
con_pagestart = con_current;
con_pageheight = ((int)scr_conlines / con_lineheight) - 5;
scr_disabled_for_loading = true; // don't update screen after every line
}
}
void Con_PagedOutput_End (void)
{
scr_disabled_for_loading = false;
con_pageheight = Q_MAXINT;
}
extern qboolean config_exec;
/*
================
Con_Print
JDH: identical to Con_Printf, but with a pre-formatted string
================
*/
qboolean Con_Print (const char *msg)
{
int was_current_line, key;
// JDH: check if user has cancelled paged output
if (!con_pageheight)
return false;
// also echo to debugging console
Sys_Printf ("%s", msg);
// log all messages to file
if (con_debuglog)
Con_DebugLog (msg);
if (!con_initialized)
{
if (con_text) // JDH: if Con_PreInit has been called, we can buffer text
Con_AddText (msg);
return true;
}
if (cls.state == ca_dedicated)
return true; // no graphics mode
// JDH: added this to disable printing when changing gamedir (but not during initial loading of configs)
if (config_exec && (host_time > 1.5))
return true;
// cut down on the number of SCR_UpdateScreen calls by doing it only once per line
// (ie. only if con_current changes)
was_current_line = con_current;
// write it to the scrollable buffer
Con_AddText (msg);
if (con_current > was_current_line)
{
// JDH: paged output
if (con_current - con_pagestart >= con_pageheight)
{
//Con_AddText ("--------------------- (more) ---------------------");
Con_AddText ("--------[");
Con_AddText ("\x02""SPACE");
Con_AddText (": next page]----[");
Con_AddText ("\x02""TAB");
Con_AddText (": show all]----[");
Con_AddText ("\x02""ESC");
Con_AddText (": stop]--------");
scr_disabled_for_loading = false;
con_pagestart = con_current;
key = SCR_ModalMessage (NULL, "q\t ");
con_current--;
Con_Linefeed ();
if (key <= 0) // esc or q cancels output
{
Con_AddText ("\n");
con_pageheight = 0; // block remainder of Con_Printf calls until Con_PagedOutput_End
return false;
}
if (key == 1)
con_pageheight = Q_MAXINT; // pressing tab causes output to continue w/o page breaks
scr_disabled_for_loading = true; // don't print line-by-line - wait for a pagefull
return true;
}
// update the screen manually if there's no map running
// (JDH: unless it's during initial loading or movie capture)
if ((cls.signon != SIGNONS) && !scr_disabled_for_loading /*&& host_initialized*/ && !Movie_IsActive())
{
SCR_UpdateScreen ();
}
}
return true;
}
#else
// server-only versions
void Con_PagedOutput_Begin (void) {}
void Con_PagedOutput_End (void) {}
qboolean Con_Print (const char *msg)
{
// also echo to debugging console
Sys_Printf ("%s", msg);
// log all messages to file
if (con_debuglog)
Con_DebugLog (msg);
return true;
}
#endif //#ifdef RQM_SV_ONLY
/*
================
Con_Printf
Handles cursor positioning, line wrapping, etc
JDH: returns false only if paged output is being used, and user cancels
================
*/
qboolean Con_Printf (const char *fmt, ...)
{
va_list argptr;
char msg[MAXPRINTMSG];
va_start (argptr, fmt);
vsnprintf (msg, sizeof(msg), fmt, argptr);
va_end (argptr);
return Con_Print (msg);
}
/*
================
Con_DPrintf
A Con_Printf that only shows up if the "developer" cvar is set
================
*/
void Con_DPrintf (const char *fmt, ...)
{
va_list argptr;
char msg[MAXPRINTMSG];
if (!developer.value)
return; // don't confuse non-developers with techie stuff...
va_start (argptr, fmt);
vsnprintf (msg, sizeof(msg), fmt, argptr);
va_end (argptr);
Con_Print (msg);
}
/*
==================
Con_SafePrintf
Okay to call even when the screen can't be updated
==================
*/
void Con_SafePrintf (const char *fmt, ...)
{
va_list argptr;
char msg[1024];
#ifndef RQM_SV_ONLY
int temp;
#endif
va_start (argptr, fmt);
vsnprintf (msg, sizeof(msg), fmt, argptr);
va_end (argptr);
#ifndef RQM_SV_ONLY
temp = scr_disabled_for_loading;
scr_disabled_for_loading = true;
Con_Print (msg);
scr_disabled_for_loading = temp;
#else
Con_Print (msg);
#endif
}
/*
==================
Con_ColumnPrint
Prints the given string to the console, aligned to the next multiple of colwidth
==================
*/
void Con_ColumnPrint (const char *s, int colwidth)
{
int nextcolx = 0, pos = 0, x;
char line[256];
if (con_x)
nextcolx = (int)((con_x + colwidth) / colwidth) * colwidth;
if ((nextcolx > con_linewidth - (colwidth-2)) // the last column may be slightly smaller
|| (con_x && nextcolx + strlen(s) >= con_linewidth))
{
line[pos++] = '\n';
x = 0;
}
else
{
x = con_x;
if (x)
{
line[pos++] = ' ';
x++;
}
}
for ( ; x % colwidth; x++)
line[pos++] = ' ';
line[pos] = 0;
Con_Printf ("%s%s", line, s);
}
/*
================
Con_Quakebar -- johnfitz -- returns a bar of the desired length, but never wider than the console
includes a newline, unless len >= con_linewidth.
================
*/
char *Con_Quakebar (int len)
{
static char bar[42];
int i;
len = min(len, sizeof(bar) - 2);
len = min(len, con_linewidth);
bar[0] = '\35';
for (i = 1; i < len - 1; i++)
bar[i] = '\36';
bar[len-1] = '\37';
if (len < con_linewidth)
{
bar[len] = '\n';
bar[len+1] = 0;
}
else
bar[len] = 0;
return bar;
}
#ifndef RQM_SV_ONLY
/*
================
Con_CenterPrintf -- johnfitz -- pad each line with spaces to make it appear centered
================
*/
void Con_CenterPrintf (int linewidth, const char *fmt, ...)
{
va_list argptr;
char msg[MAXPRINTMSG]; //the original message
char line[MAXPRINTMSG]; //one line from the message
char spaces[21]; //buffer for spaces
char *src, *dst;
int len, s;
va_start (argptr, fmt);
vsnprintf (msg, sizeof(msg), fmt, argptr);
va_end (argptr);
linewidth = min (linewidth, con_linewidth);
#ifdef HEXEN2_SUPPORT
if (hexen2)
{
ReformatText(msg, linewidth);
/*for (src = msg; *src; src++)
{
if (*src == '@')
*src = '\n';
}*/
}
#endif
for (src = msg; *src; )
{
dst = line;
while (*src && *src != '\n')
*dst++ = *src++;
*dst = 0;
if (*src == '\n')
src++;
len = strlen(line);
if (len < linewidth)
{
s = (linewidth-len)/2;
memset (spaces, ' ', s);
spaces[s] = 0;
Con_Printf ("%s%s\n", spaces, line);
}
else
Con_Printf ("%s\n", line);
}
}
/*==================
Con_LogCenterPrint -- johnfitz -- echo centerprint message to the console
==================
*/
void Con_LogCenterPrint (const char *str)
{
if (!strcmp(str, con_lastcenterstring))
return; //ignore duplicates
if ((cl.gametype == GAME_DEATHMATCH) && (con_logcenterprint.value != 2))
return; //don't log in deathmatch
Q_strcpy (con_lastcenterstring, str, sizeof(con_lastcenterstring));
if (con_logcenterprint.value)
{
Con_Print (Con_Quakebar(40));
Con_CenterPrintf (40, "%s\n", str);
Con_Print (Con_Quakebar(40));
Con_ClearNotify ();
}
}
/*
==============================================================================
DRAWING
==============================================================================
*/
/*
================
Con_DrawInput
The input line scrolls horizontally if typing goes beyond the right edge
================