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quakeforge/qw/source/console.c

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/*
console.c
(description)
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#ifdef HAVE_ERRNO_H
# include <errno.h>
#endif
#include <stdarg.h>
#include "QF/cmd.h"
#include "QF/console.h"
#include "QF/cvar.h"
#include "QF/draw.h"
#include "QF/input.h"
#include "QF/keys.h"
#include "QF/qargs.h"
#include "QF/screen.h"
#include "QF/sys.h"
#include "QF/va.h"
#include "QF/vfs.h"
#include "client.h"
#include "compat.h"
old_console_t con_main;
old_console_t con_chat;
old_console_t *con; // point to either con_main or con_chat
int con_ormask;
int con_linewidth; // characters across screen
int con_totallines; // total lines in console scrollback
int con_notifylines; // scan lines to clear for notify lines
int con_vislines;
cvar_t *con_notifytime; // seconds
#define NUM_CON_TIMES 4
float con_cursorspeed = 4;
float con_times[NUM_CON_TIMES]; // realtime time the line was generated
// for transparent notify lines
qboolean con_debuglog;
qboolean con_initialized;
#define MAXCMDLINE 256
void
Con_ToggleConsole_f (void)
{
Key_ClearTyping ();
if (key_dest == key_console) {
if (cls.state == ca_active) {
key_dest = key_game;
game_target = IMT_0;
}
} else {
key_dest = key_console;
game_target = IMT_CONSOLE;
}
Con_ClearNotify ();
}
void
Con_ToggleChat_f (void)
{
Key_ClearTyping ();
if (key_dest == key_console) {
if (cls.state == ca_active) {
key_dest = key_game;
game_target = IMT_0;
}
} else {
key_dest = key_console;
game_target = IMT_CONSOLE;
}
Con_ClearNotify ();
}
void
Con_Clear_f (void)
{
con_main.numlines = 0;
con_chat.numlines = 0;
memset (con_main.text, ' ', CON_TEXTSIZE);
memset (con_chat.text, ' ', CON_TEXTSIZE);
con_main.display = con_main.current;
}
void
Con_ClearNotify (void)
{
int i;
for (i = 0; i < NUM_CON_TIMES; i++)
con_times[i] = 0;
}
void
Con_MessageMode_f (void)
{
if (cls.state != ca_active)
return;
chat_team = false;
key_dest = key_message;
}
void
Con_MessageMode2_f (void)
{
if (cls.state != ca_active)
return;
chat_team = true;
key_dest = key_message;
}
void
Con_Resize (old_console_t *con)
{
char tbuf[CON_TEXTSIZE];
int i, j, width, oldwidth, oldtotallines, numlines, numchars;
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);
}
static void
Con_Condump_f (void)
{
int line = con->current - con->numlines;
const char *start, *end;
VFile *file;
char name[MAX_OSPATH];
if (Cmd_Argc () != 2) {
Con_Printf ("usage: condump <filename>\n");
return;
}
if (strchr (Cmd_Argv (1), '/') || strchr (Cmd_Argv (1), '\\')) {
Con_Printf ("invalid character in filename\n");
return;
}
snprintf (name, sizeof (name), "%s/%s.txt", com_gamedir, Cmd_Argv (1));
if (!(file = Qopen (name, "wt"))) {
Con_Printf ("could not open %s for writing: %s\n", name,
strerror (errno));
return;
}
while (line < con->current) {
start = &con->text[(line % con_totallines) * con_linewidth];
end = start + con_linewidth;
while (end > start && end[-1] != ' ')
end--;
Qprintf (file, "%.*s\n", end - start, start);
line++;
}
Qclose (file);
}
void
Con_Init (const char *plugin_name)
{
con_debuglog = COM_CheckParm ("-condebug");
con = &con_main;
con_linewidth = -1;
Con_CheckResize ();
Sys_SetPrintf (Con_Print);
Con_Printf ("Console initialized.\n");
// register our commands
Cmd_AddCommand ("toggleconsole", Con_ToggleConsole_f,
"Toggle the console up and down");
Cmd_AddCommand ("togglechat", Con_ToggleChat_f,
"Toggle the console up and down");
Cmd_AddCommand ("messagemode", Con_MessageMode_f,
"Prompt to send a message to everyone");
Cmd_AddCommand ("messagemode2", Con_MessageMode2_f,
"Prompt to send a message to only people on your team");
Cmd_AddCommand ("clear", Con_Clear_f, "Clear the console");
Cmd_AddCommand ("condump", Con_Condump_f, "dump the console text to a "
"file");
con_initialized = true;
}
void
Con_Init_Cvars (void)
{
con_notifytime = Cvar_Get ("con_notifytime", "3", CVAR_NONE, NULL,
"How long in seconds messages are displayed on "
"screen");
}
void
Con_Linefeed (void)
{
con->x = 0;
if (con->display == con->current)
con->display++;
con->current++;
if (con->numlines < con_totallines)
con->numlines++;
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 (const char *fmt, va_list args)
{
int mask, c, l, y;
static int cr;
static char txt[1024];
const char *s;
vsnprintf (txt, sizeof (txt), fmt, args);
// echo to debugging console
for (s = txt; *s; s++)
fputc (sys_char_map[(byte)*s], stdout);
// log all messages to file
if (con_debuglog)
Sys_DebugLog (va ("%s/qconsole.log", com_gamedir), "%s", txt);
if (!con_initialized)
return;
s = txt;
if (s[0] == 1 || s[0] == 2) {
mask = 128; // go to colored text
s++;
} else
mask = 0;
while ((c = *s)) {
// count word length
for (l = 0; l < con_linewidth; l++)
if (s[l] <= ' ')
break;
// word wrap
if (l != con_linewidth && (con->x + l > con_linewidth))
con->x = 0;
s++;
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;
}
}
}
/* DRAWING */
/*
Con_DrawInput
The input line scrolls horizontally if typing goes beyond the right edge
*/
void
Con_DrawInput (void)
{
char temp[MAXCMDLINE];
char *text;
int i, y;
if (key_dest != key_console && cls.state == ca_active)
return; // don't draw anything (always draw if not active)
text = strcpy (temp, key_lines[edit_line]);
// fill out remainder with spaces
for (i = strlen (text); i < MAXCMDLINE; i++)
text[i] = ' ';
// add the cursor frame
if ((int) (realtime * con_cursorspeed) & 1)
text[key_linepos] = 11;
// prestep if horizontally scrolling
if (key_linepos >= con_linewidth)
text += 1 + key_linepos - con_linewidth;
// draw it
y = con_vislines - 22;
for (i = 0; i < con_linewidth; i++)
Draw_Character ((i + 1) << 3, con_vislines - 22, text[i]);
}
/*
Con_DrawNotify
Draws the last few lines of output transparently over the game top
*/
void
Con_DrawNotify (void)
{
char *s, *text;
float time;
int skip, i, x, v;
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)
{
char *text;
int row, rows, i, x, y;
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 input prompt, user text, and cursor if desired
Con_DrawInput ();
}
void
Con_DrawDownload (int lines)
{
char dlbar[1024];
const char *text;
int i, j, x, y, n;
if (!cls.download)
return;
text = COM_SkipPath(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;
strncat (dlbar, "...", sizeof (dlbar) - strlen (dlbar));
} else
strncpy (dlbar, text, sizeof (dlbar));
strncat (dlbar, ": ", sizeof (dlbar) - strlen (dlbar));
i = strlen (dlbar);
dlbar[i++] = '\x80';
// 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++] = '\x83';
else
dlbar[i++] = '\x81';
dlbar[i++] = '\x82';
dlbar[i] = 0;
snprintf (dlbar + strlen (dlbar), sizeof (dlbar) - strlen (dlbar),
" %02d%%", cls.downloadpercent);
// draw it
y = lines - 22 + 8;
for (i = 0; i < strlen (dlbar); i++)
Draw_Character ((i + 1) << 3, y, dlbar[i]);
}
/*
Con_CompleteCommandLine
New function for tab-completion system
Added by EvilTypeGuy
Thanks to Fett erich@heintz.com
Thanks to taniwha
*/
void
Con_CompleteCommandLine (void)
{
char *s;
const char *cmd = "";
int cmd_len, c, v, a, i;
const char **list[3] = {0, 0, 0};
s = key_lines[edit_line] + 1;
if (*s == '\\' || *s == '/')
s++;
// Count number of possible matches
c = Cmd_CompleteCountPossible(s);
v = Cvar_CompleteCountPossible(s);
a = Cmd_CompleteAliasCountPossible(s);
if (!(c + v + a)) // No possible matches
return;
if (c + v + a == 1) {
if (c)
list[0] = Cmd_CompleteBuildList(s);
else if (v)
list[0] = Cvar_CompleteBuildList(s);
else
list[0] = Cmd_CompleteAliasBuildList(s);
cmd = *list[0];
cmd_len = strlen (cmd);
} else {
if (c)
cmd = *(list[0] = Cmd_CompleteBuildList(s));
if (v)
cmd = *(list[1] = Cvar_CompleteBuildList(s));
if (a)
cmd = *(list[2] = Cmd_CompleteAliasBuildList(s));
cmd_len = strlen (s);
do {
for (i = 0; i < 3; i++) {
char ch = cmd[cmd_len];
const char **l = list[i];
if (l) {
while (*l && (*l)[cmd_len] == ch)
l++;
if (*l)
break;
}
}
if (i == 3)
cmd_len++;
} while (i == 3);
// 'quakebar'
Con_Printf("\n\35");
for (i = 0; i < con_linewidth - 4; i++)
Con_Printf("\36");
Con_Printf("\37\n");
// Print Possible Commands
if (c) {
Con_Printf("%i possible command%s\n", c, (c > 1) ? "s: " : ":");
Con_DisplayList(list[0], con_linewidth);
}
if (v) {
Con_Printf("%i possible variable%s\n", v, (v > 1) ? "s: " : ":");
Con_DisplayList(list[1], con_linewidth);
}
if (a) {
Con_Printf("%i possible aliases%s\n", a, (a > 1) ? "s: " : ":");
Con_DisplayList(list[2], con_linewidth);
}
}
if (cmd) {
key_lines[edit_line][1] = '/';
strncpy(key_lines[edit_line] + 2, cmd, cmd_len);
key_linepos = cmd_len + 2;
if (c + v + a == 1) {
key_lines[edit_line][key_linepos] = ' ';
key_linepos++;
}
key_lines[edit_line][key_linepos] = 0;
}
for (i = 0; i < 3; i++)
if (list[i])
free (list[i]);
}
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