/
cl_console.cpp
1487 lines (1219 loc) · 41.3 KB
/
cl_console.cpp
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/*
===========================================================================
Daemon GPL Source Code
Copyright (C) 1999-2010 id Software LLC, a ZeniMax Media company.
This file is part of the Daemon GPL Source Code (Daemon Source Code).
Daemon Source Code 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 3 of the License, or
(at your option) any later version.
Daemon Source Code 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 Daemon Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Daemon Source Code is also subject to certain additional terms.
You should have received a copy of these additional terms immediately following the
terms and conditions of the GNU General Public License which accompanied the Daemon
Source Code. If not, please request a copy in writing from id Software at the address
below.
If you have questions concerning this license or the applicable additional terms, you
may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville,
Maryland 20850 USA.
===========================================================================
*/
// console.c
#include "revision.h"
#include "client.h"
#include "../qcommon/q_unicode.h"
#include "../framework/LogSystem.h"
#define CONSOLE_COLOR COLOR_WHITE //COLOR_BLACK
#define DEFAULT_CONSOLE_WIDTH 78
#define MAX_CONSOLE_WIDTH 1024
int g_console_field_width = DEFAULT_CONSOLE_WIDTH;
console_t consoleState;
cvar_t *con_animationSpeed;
cvar_t *con_animationType;
cvar_t *con_autoclear;
/**
* 0: no scroll lock at all, scroll down on any message arriving
* 1: lock scrolling if in scrollback, but scroll down for send message/entered commands
* 2: lock scrolling if in scrollback, even for own output
* 3: always lock scrolling
*/
cvar_t *con_scrollLock;
cvar_t *con_prompt;
cvar_t *con_borderWidth;
cvar_t *con_borderColorAlpha;
cvar_t *con_borderColorRed;
cvar_t *con_borderColorBlue;
cvar_t *con_borderColorGreen;
cvar_t *con_margin;
cvar_t *con_horizontalPadding;
cvar_t *con_height;
cvar_t *con_colorAlpha;
cvar_t *con_colorRed;
cvar_t *con_colorBlue;
cvar_t *con_colorGreen;
/**
* allows for debugging the console without using the consoles scrollback,
* which might otherwise end in loops or unnecessary verbose output
*/
cvar_t *con_debug;
#define ANIMATION_TYPE_NONE 0
#define ANIMATION_TYPE_SCROLL_DOWN 1
#define ANIMATION_TYPE_FADE 2
#define ANIMATION_TYPE_BOTH 3
#define CON_LINE(line) ( ( (line) % consoleState.maxScrollbackLengthInLines ) * consoleState.textWidthInChars )
// Buffer used by line-to-string code. Implementation detail.
static char lineString[ MAX_CONSOLE_WIDTH * 6 + 5 ];
static const char *Con_LineToString( int lineno, qboolean lf )
{
const conChar_t *line = consoleState.text + CON_LINE( lineno );
int s, d;
for ( s = d = 0; line[ s ].ch && s < consoleState.textWidthInChars; ++s )
{
if ( line[ s ].ch < 0x80 )
{
lineString[ d++ ] = (char) line[ s ].ch;
}
else
{
strcpy( lineString + d, Q_UTF8_Encode( line[ s ].ch ) );
while ( lineString[ d ] ) { ++d; }
}
}
if ( lf )
{
#ifdef _WIN32
lineString[ d++ ] = '\r';
#endif
lineString[ d++ ] = '\n';
}
lineString[ d ] = '\0';
return lineString;
}
static const char *Con_LineToColouredString( int lineno, qboolean lf )
{
const conChar_t *line = consoleState.text + CON_LINE( lineno );
int s, d, colour = 7;
for ( s = d = 0; line[ s ].ch && s < consoleState.textWidthInChars; ++s )
{
if ( line[ s ].ink != colour )
{
colour = line[ s ].ink;
lineString[ d++ ] = '^';
lineString[ d++ ] = '0' + colour;
}
if ( line[ s ].ch < 0x80 )
{
lineString[ d++ ] = (char) line[ s ].ch;
}
else
{
strcpy( lineString + d, Q_UTF8_Encode( line[ s ].ch ) );
while ( lineString[ d ] ) { ++d; }
}
}
if ( lf )
{
lineString[ d++ ] = '\n';
}
lineString[ d ] = '\0';
return lineString;
}
/*
================
Con_ToggleConsole_f
================
*/
void Con_ToggleConsole_f( void )
{
// ydnar: persistent console input is more useful
if ( con_autoclear->integer )
{
g_consoleField.Clear();
}
g_consoleField.SetWidth(g_console_field_width);
if (consoleState.isOpened) {
cls.keyCatchers &= ~KEYCATCH_CONSOLE;
} else {
cls.keyCatchers |= KEYCATCH_CONSOLE;
}
}
void Con_OpenConsole_f( void )
{
if ( !consoleState.isOpened )
{
Con_ToggleConsole_f();
}
}
/*
================
Con_Clear
================
*/
static INLINE void Con_Clear( void )
{
int i;
conChar_t fill = { '\0', ColorIndex( CONSOLE_COLOR ) };
for ( i = 0; i < CON_TEXTSIZE; ++i )
{
consoleState.text[i] = fill;
}
consoleState.usedScrollbackLengthInLines = 0;
}
/*
================
Con_Clear_f
================
*/
void Con_Clear_f( void )
{
Con_Clear();
Con_ScrollToBottom(); // go to end
}
/*
================
Con_Dump_f
Save the console contents out to a file
================
*/
void Con_Dump_f( void )
{
int l;
fileHandle_t f;
char name[ MAX_STRING_CHARS ];
l = Cmd_Argc();
if ( l > 2 )
{
Cmd_PrintUsage("[<filename>]", NULL);
return;
}
if ( l == 1 )
{
time_t now = time( NULL );
strftime( name, sizeof( name ), "condump/%Y%m%d-%H%M%S%z.txt",
localtime( &now ) );
}
else
{
Q_snprintf( name, sizeof( name ), "condump/%s", Cmd_Argv( 1 ) );
}
f = FS_FOpenFileWrite( name );
if ( !f )
{
Com_Log(LOG_ERROR, "couldn't open." );
return;
}
Com_Printf( "Dumped console text to %s.\n", name );
// skip empty lines
for ( l = consoleState.currentLine - consoleState.maxScrollbackLengthInLines + 1; l <= consoleState.currentLine; l++ )
{
if ( consoleState.text[ CON_LINE( l ) ].ch )
{
break;
}
}
// write the remaining lines
for ( ; l <= consoleState.currentLine; l++ )
{
const char *buffer = Con_LineToString( l, qtrue );
FS_Write( buffer, strlen( buffer ), f );
}
FS_FCloseFile( f );
}
/*
================
Con_Search_f
Scroll up to the first console line containing a string
================
*/
void Con_Search_f( void )
{
int l, i;
int direction;
int c = Cmd_Argc();
if ( c < 2 )
{
Cmd_PrintUsage("<string>…", NULL);
return;
}
direction = Q_stricmp( Cmd_Argv( 0 ), "searchDown" ) ? -1 : 1;
// check the lines
for ( l = consoleState.scrollLineIndex - 1 + direction; l <= consoleState.currentLine && consoleState.currentLine - l < consoleState.maxScrollbackLengthInLines; l += direction )
{
const char *buffer = Con_LineToString( l, qtrue );
// Don't search commands
for ( i = 1; i < c; i++ )
{
if ( Q_stristr( buffer, Cmd_Argv( i ) ) )
{
consoleState.scrollLineIndex = l + 1;
if ( consoleState.scrollLineIndex > consoleState.currentLine )
{
consoleState.bottomDisplayedLine = consoleState.currentLine;
}
return;
}
}
}
}
/*
================
Con_Grep_f
Find all console lines containing a string
================
*/
void Con_Grep_f( void )
{
int l;
char *search;
char *printbuf = NULL;
size_t pbAlloc = 0, pbLength = 0;
if ( Cmd_Argc() != 2 )
{
Cmd_PrintUsage("<string>", NULL);
return;
}
// skip empty lines
for ( l = consoleState.currentLine - consoleState.maxScrollbackLengthInLines + 1; l <= consoleState.currentLine; l++ )
{
if ( consoleState.text[ CON_LINE( l ) ].ch )
{
break;
}
}
// check the remaining lines
search = Cmd_Argv( 1 );
for ( ; l <= consoleState.currentLine; l++ )
{
const char *buffer = Con_LineToString( l, qfalse );
if ( Q_stristr( buffer, search ) )
{
size_t i;
buffer = Con_LineToColouredString( l, qtrue );
i = strlen( buffer );
if ( pbLength + i >= pbAlloc )
{
char *nb;
// allocate in 16K chunks - more than adequate
pbAlloc = ( pbLength + i + 1 + 16383) & ~16383;
nb = (char*) Z_Malloc( pbAlloc );
if( printbuf )
{
strcpy( nb, printbuf );
Z_Free( printbuf );
}
printbuf = nb;
}
Q_strcat( printbuf, pbAlloc, buffer );
pbLength += i;
}
}
if( printbuf )
{
char tmpbuf[ MAXPRINTMSG ];
int i;
// print out in chunks so we don't go over the MAXPRINTMSG limit
for ( i = 0; i < pbLength; i += MAXPRINTMSG - 1 )
{
Q_strncpyz( tmpbuf, printbuf + i, sizeof( tmpbuf ) );
Com_Printf( "%s", tmpbuf );
}
Z_Free( printbuf );
}
}
/*
================
Con_CheckResize
If the line width has changed, reformat the buffer.
================
*/
qboolean Con_CheckResize( void )
{
int i, textWidthInChars, oldwidth, oldtotallines, numlines, numchars;
conChar_t buf[ CON_TEXTSIZE ];
qboolean ret = qtrue;
if ( cls.glconfig.vidWidth )
{
const int consoleVidWidth = cls.glconfig.vidWidth - 2 * (consoleState.margin.sides + consoleState.padding.sides );
textWidthInChars = consoleVidWidth / SCR_ConsoleFontUnicharWidth( 'W' );
}
else
{
textWidthInChars = 0;
}
if ( textWidthInChars == consoleState.textWidthInChars )
{
// nothing
}
else if ( textWidthInChars < 1 ) // video hasn't been initialized yet
{
consoleState.textWidthInChars = DEFAULT_CONSOLE_WIDTH;
consoleState.maxScrollbackLengthInLines = CON_TEXTSIZE / consoleState.textWidthInChars;
Con_Clear();
consoleState.currentLine = consoleState.maxScrollbackLengthInLines - 1;
consoleState.bottomDisplayedLine = consoleState.currentLine;
consoleState.scrollLineIndex = consoleState.currentLine;
ret = qfalse;
}
else
{
oldwidth = consoleState.textWidthInChars;
consoleState.textWidthInChars = textWidthInChars;
oldtotallines = consoleState.maxScrollbackLengthInLines;
consoleState.maxScrollbackLengthInLines = CON_TEXTSIZE / consoleState.textWidthInChars;
if ( oldtotallines > 0 && oldwidth > 0 && consoleState.usedScrollbackLengthInLines > 0 ) {
numlines = std::min( {consoleState.maxScrollbackLengthInLines, consoleState.usedScrollbackLengthInLines, oldtotallines} );
numchars = std::min( oldwidth, consoleState.textWidthInChars );
Com_Memcpy( buf, consoleState.text, sizeof( consoleState.text ) );
Con_Clear();
for ( i = 0; i < numlines; i++ ) {
conChar_t* destination = consoleState.text + ( consoleState.maxScrollbackLengthInLines - 1 - i ) * consoleState.textWidthInChars;
memcpy( destination,
buf + ( ( consoleState.currentLine - i - 1 + oldtotallines ) % oldtotallines ) * oldwidth,
numchars * sizeof( conChar_t ) );
}
consoleState.usedScrollbackLengthInLines = numlines;
} else {
Con_Clear();
}
consoleState.currentLine = consoleState.maxScrollbackLengthInLines;
consoleState.bottomDisplayedLine = consoleState.currentLine;
consoleState.scrollLineIndex = consoleState.currentLine;
}
if ( con_prompt )
{
char prompt[ MAX_STRING_CHARS ];
Q_strncpyz( prompt, con_prompt->string, sizeof( prompt ) );
Q_CleanStr( prompt );
// 8 spaces for clock, 1 for cursor
g_console_field_width = consoleState.textWidthInChars - 9 - Q_UTF8_Strlen( prompt );
g_consoleField.SetWidth(g_console_field_width);
}
return ret;
}
/*
================
Con_Init
================
*/
void Con_Init( void )
{
con_animationSpeed = Cvar_Get( "con_animationSpeed", "3", 0 );
con_animationType = Cvar_Get( "con_animationType", "2", 0 );
con_autoclear = Cvar_Get( "con_autoclear", "1", 0 );
con_scrollLock = Cvar_Get( "con_scrollLock", "2", 0 );
con_prompt = Cvar_Get( "con_prompt", "^3->", 0 );
con_height = Cvar_Get( "con_height", "55", 0 );
con_colorRed = Cvar_Get( "con_colorRed", "0", 0 );
con_colorBlue = Cvar_Get( "con_colorBlue", "0.3", 0 );
con_colorGreen = Cvar_Get( "con_colorGreen", "0.18", 0 );
con_colorAlpha = Cvar_Get( "con_colorAlpha", "0.5", 0 );
con_margin = Cvar_Get( "con_margin", "10", 0 );
con_horizontalPadding = Cvar_Get( "con_horizontalPadding", "0", 0 );
con_borderWidth = Cvar_Get( "con_borderWidth", "1", 0 );
con_borderColorRed = Cvar_Get( "con_borderColorRed", "1", 0 );
con_borderColorBlue = Cvar_Get( "con_borderColorBlue", "1", 0 );
con_borderColorGreen = Cvar_Get( "con_borderColorGreen", "1", 0 );
con_borderColorAlpha = Cvar_Get( "con_borderColorAlpha", "0.2", 0 );
con_debug = Cvar_Get( "con_debug", "0", 0 );
// Done defining cvars for console colors
g_consoleField.Clear();
g_consoleField.SetWidth(g_console_field_width);
Cmd_AddCommand( "toggleConsole", Con_ToggleConsole_f );
Cmd_AddCommand( "clear", Con_Clear_f );
Cmd_AddCommand( "condump", Con_Dump_f );
Cmd_AddCommand( "search", Con_Search_f );
Cmd_AddCommand( "searchDown", Con_Search_f );
Cmd_AddCommand( "grep", Con_Grep_f );
}
/*
===============
Con_Linefeed
===============
*/
void Con_Linefeed( void )
{
int i;
conChar_t *line;
const conChar_t blank = { 0, ColorIndex( CONSOLE_COLOR ) };
const int scrollLockMode = con_scrollLock ? con_scrollLock->integer : 0;
consoleState.horizontalCharOffset = 0;
//fall down to input line if scroll lock is configured to do so
if(scrollLockMode <= 0)
{
consoleState.scrollLineIndex = consoleState.currentLine;
}
//dont scroll a line down on a scrollock configured to do so
if ( consoleState.scrollLineIndex >= consoleState.currentLine && scrollLockMode < 3 )
{
consoleState.scrollLineIndex++;
}
consoleState.currentLine++;
if( consoleState.usedScrollbackLengthInLines < consoleState.maxScrollbackLengthInLines )
consoleState.usedScrollbackLengthInLines++;
line = consoleState.text + CON_LINE( consoleState.currentLine );
for ( i = 0; i < consoleState.textWidthInChars; ++i )
{
line[ i ] = blank;
}
}
/*
================
CL_InternalConsolePrint
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 text will appear at the top of the game window
================
*/
#if defined( _WIN32 ) && defined( NDEBUG )
#pragma optimize( "g", off ) // SMF - msvc totally screws this function up with optimize on
#endif
qboolean CL_InternalConsolePrint( const char *text )
{
int y;
int c, i;
int color;
int wordLen = 0;
// for some demos we don't want to ever show anything on the console
if ( cl_noprint && cl_noprint->integer )
{
return qtrue;
}
if ( !consoleState.initialized )
{
consoleState.textWidthInChars = -1;
consoleState.initialized = Con_CheckResize();
}
//Video hasn't been initialized
if ( ! cls.glconfig.vidWidth ) {
return qfalse;
}
// NERVE - SMF - work around for text that shows up in console but not in notify
if ( !Q_strncmp( text, S_SKIPNOTIFY, 12 ) )
{
text += 12;
}
else if ( !consoleState.isOpened && strncmp( text, "EXCL: ", 6 ) )
{
// feed the text to cgame
Cmd_SaveCmdContext();
Cmd_TokenizeString( Cmd::Escape(text).c_str() );
Rocket_AddConsoleText();
Cmd_RestoreCmdContext();
}
color = ColorIndex( CONSOLE_COLOR );
while ( ( c = *text & 0xFF ) != 0 )
{
if ( Q_IsColorString( text ) )
{
color = ( text[ 1 ] == COLOR_NULL ) ? ColorIndex( CONSOLE_COLOR ) : ColorIndex( text[ 1 ] );
text += 2;
continue;
}
if ( !wordLen )
{
// count word length
for ( i = 0; ; ++wordLen )
{
if ( text[ i ] <= ' ' && text[ i ] >= 0 )
{
break;
}
if ( Q_IsColorString( text + i ) )
{
i += 2;
continue;
}
if ( text[ i ] == Q_COLOR_ESCAPE && text[ i + 1 ] == Q_COLOR_ESCAPE )
{
++i;
}
i += Q_UTF8_Width( text + i );
}
// word wrap
if ( consoleState.horizontalCharOffset + wordLen >= consoleState.textWidthInChars
&& consoleState.horizontalCharOffset > 0 )
{
Con_Linefeed();
}
}
switch ( c )
{
case '\n':
Con_Linefeed( );
break;
case '\r':
consoleState.horizontalCharOffset = 0;
break;
case Q_COLOR_ESCAPE:
if ( text[ 1 ] == Q_COLOR_ESCAPE )
{
++text;
}
/* no break */
default: // display character and advance
y = consoleState.currentLine % consoleState.maxScrollbackLengthInLines;
// rain - sign extension caused the character to carry over
// into the color info for high ascii chars; casting c to unsigned
consoleState.text[ y * consoleState.textWidthInChars + consoleState.horizontalCharOffset ].ch = Q_UTF8_CodePoint( text );
consoleState.text[ y * consoleState.textWidthInChars + consoleState.horizontalCharOffset ].ink = color;
++consoleState.horizontalCharOffset;
if ( wordLen > 0 )
{
--wordLen;
}
if ( consoleState.horizontalCharOffset >= consoleState.textWidthInChars )
{
Con_Linefeed();
}
break;
}
text += Q_UTF8_Width( text );
}
return qtrue;
}
#if defined( _WIN32 ) && defined( NDEBUG )
#pragma optimize( "g", on ) // SMF - re-enabled optimization
#endif
/*
==============================================================================
DRAWING
==============================================================================
*/
/*
================
Con_DrawBackground
Draws the background of the console (on the virtual 640x480 resolution)
================
*/
void Con_DrawBackground( void )
{
vec4_t color;
const int consoleWidth = cls.glconfig.vidWidth - 2 * consoleState.margin.sides;
// draw the background
color[ 0 ] = con_colorRed->value;
color[ 1 ] = con_colorGreen->value;
color[ 2 ] = con_colorBlue->value;
color[ 3 ] = con_colorAlpha->value * consoleState.currentAlphaFactor;
SCR_FillRect( consoleState.margin.sides, consoleState.margin.top, consoleWidth, consoleState.height, color );
// draw the backgrounds borders
color[ 0 ] = con_borderColorRed->value;
color[ 1 ] = con_borderColorGreen->value;
color[ 2 ] = con_borderColorBlue->value;
color[ 3 ] = con_borderColorAlpha->value * consoleState.currentAlphaFactor;
if ( con_margin->integer )
{
//top border
SCR_FillRect( consoleState.margin.sides - consoleState.border.sides,
consoleState.margin.top - consoleState.border.top,
consoleWidth + consoleState.border.sides, consoleState.border.top, color );
//left border
SCR_FillRect( consoleState.margin.sides - consoleState.border.sides, consoleState.margin.top,
consoleState.border.sides, consoleState.height + consoleState.border.bottom, color );
//right border
SCR_FillRect( cls.glconfig.vidWidth - consoleState.margin.sides, consoleState.margin.top - consoleState.border.top,
consoleState.border.sides, consoleState.border.top + consoleState.height, color );
//bottom border
SCR_FillRect( consoleState.margin.sides, consoleState.height + consoleState.margin.top + consoleState.border.top - consoleState.border.bottom,
consoleWidth + consoleState.border.sides, consoleState.border.bottom, color );
}
else
{
//bottom border
SCR_FillRect( 0, consoleState.height, consoleWidth, consoleState.border.bottom, color );
}
}
/*
================
Con_DrawInput
Draw the editline after a ] prompt
================
*/
void Con_DrawInput( int linePosition, float overrideAlpha )
{
char prompt[ MAX_STRING_CHARS ];
vec4_t color;
qtime_t realtime;
Com_RealTime( &realtime );
Com_sprintf( prompt, sizeof( prompt ), "^0[^3%02d%c%02d^0]^7 %s", realtime.tm_hour, ( realtime.tm_sec & 1 ) ? ':' : ' ', realtime.tm_min, con_prompt->string );
color[ 0 ] = 1.0f;
color[ 1 ] = 1.0f;
color[ 2 ] = 1.0f;
color[ 3 ] = consoleState.currentAlphaFactor * overrideAlpha;
SCR_DrawSmallStringExt( consoleState.margin.sides + consoleState.padding.sides, linePosition, prompt, color, qfalse, qfalse );
Q_CleanStr( prompt );
Field_Draw( g_consoleField, consoleState.margin.sides + consoleState.padding.sides + SCR_ConsoleFontStringWidth( prompt, strlen( prompt ) ), linePosition, qtrue, qtrue, color[ 3 ] );
}
void Con_DrawRightFloatingTextLine( const int linePosition, const float *color, const char* text )
{
int i, x;
float currentWidthLocation = 0;
const int charHeight = SCR_ConsoleFontCharHeight();
const int positionFromTop = consoleState.margin.top
+ consoleState.border.top
+ consoleState.padding.top
+ charHeight;
i = strlen( text );
currentWidthLocation = cls.glconfig.vidWidth
- SCR_ConsoleFontStringWidth( text, i )
- consoleState.margin.sides - consoleState.padding.sides;
re.SetColor( color );
for ( x = 0; x < i; x++ )
{
int ch = Q_UTF8_CodePoint( &text[ x ] );
SCR_DrawConsoleFontUnichar( currentWidthLocation, positionFromTop + ( linePosition * charHeight ), ch );
currentWidthLocation += SCR_ConsoleFontUnicharWidth( ch );
}
}
/*
================
Con_DrawAboutText
Draws the build and copyright info onto the console
================
*/
void Con_DrawAboutText( void )
{
vec4_t color;
// draw the version number
color[ 0 ] = 1.0f;
color[ 1 ] = 1.0f;
color[ 2 ] = 1.0f;
//ANIMATION_TYPE_FADE but also ANIMATION_TYPE_SCROLL_DOWN needs this, latter, since it might otherwise scroll out the console
color[ 3 ] = 0.66f * consoleState.currentAnimationFraction;
Con_DrawRightFloatingTextLine( 0, color, Q3_VERSION );
Con_DrawRightFloatingTextLine( 1, color, Q3_ENGINE );
}
/*
================
Con_DrawConsoleScrollbackIndicator
================
*/
void Con_DrawConsoleScrollbackIndicator( int lineDrawPosition )
{
int i;
vec4_t color;
// draw arrows to show the buffer is backscrolled
const int hatWidth = SCR_ConsoleFontUnicharWidth( '^' );
color[ 0 ] = 1.0f;
color[ 1 ] = 1.0f;
color[ 2 ] = 1.0f;
color[ 3 ] = 0.66f * consoleState.currentAlphaFactor;
re.SetColor( color );
for ( i = 0; i < consoleState.textWidthInChars; i += 4 )
{
SCR_DrawConsoleFontUnichar( consoleState.margin.sides + consoleState.padding.sides + ( i + 1.5 ) * hatWidth, lineDrawPosition, '^' );
}
}
void Con_DrawConsoleScrollbar( void )
{
vec4_t color;
const int freeConsoleHeight = consoleState.height - consoleState.padding.top - consoleState.padding.bottom;
const float scrollBarX = cls.glconfig.vidWidth - consoleState.margin.sides - consoleState.padding.sides - 2 * consoleState.border.sides;
const float scrollBarY = consoleState.margin.top + consoleState.border.top + consoleState.padding.top + freeConsoleHeight * 0.10f;
const float scrollBarLength = freeConsoleHeight * 0.80f;
const float scrollBarWidth = consoleState.border.sides * 2;
const float scrollHandleLength = consoleState.usedScrollbackLengthInLines
? scrollBarLength * std::min( 1.0f, (float) consoleState.visibleAmountOfLines / consoleState.usedScrollbackLengthInLines )
: 0;
const float scrollBarLengthPerLine = ( scrollBarLength - scrollHandleLength ) / ( consoleState.usedScrollbackLengthInLines - consoleState.visibleAmountOfLines );
// that may result in -NaN
const float relativeScrollLineIndex = consoleState.currentLine - consoleState.usedScrollbackLengthInLines
+ std::min(consoleState.visibleAmountOfLines, consoleState.usedScrollbackLengthInLines);
const float scrollHandlePostition = ( scrollBarLengthPerLine == scrollBarLengthPerLine )
? scrollBarLengthPerLine * ( consoleState.bottomDisplayedLine - relativeScrollLineIndex )
: 0; // we may get this: +/- NaN is never equal to itself
//draw the scrollBar
color[ 0 ] = 0.2f;
color[ 1 ] = 0.2f;
color[ 2 ] = 0.2f;
color[ 3 ] = 0.75f * consoleState.currentAlphaFactor;
SCR_FillRect( scrollBarX, scrollBarY, scrollBarWidth, scrollBarLength, color );
//draw the handle
if ( scrollHandlePostition >= 0 && scrollHandleLength > 0 )
{
color[ 0 ] = 0.5f;
color[ 1 ] = 0.5f;
color[ 2 ] = 0.5f;
color[ 3 ] = consoleState.currentAlphaFactor;
SCR_FillRect( scrollBarX, scrollBarY + scrollHandlePostition, scrollBarWidth, scrollHandleLength, color );
}
else if ( consoleState.usedScrollbackLengthInLines ) //this happens when line appending gets us over the top position in a roll-lock situation (scrolling itself won't do that)
{
color[ 0 ] = (-scrollHandlePostition * 5.0f)/10;
color[ 1 ] = 0.5f;
color[ 2 ] = 0.5f;
color[ 3 ] = consoleState.currentAlphaFactor;
SCR_FillRect( scrollBarX, scrollBarY, scrollBarWidth, scrollHandleLength, color );
}
if(con_debug->integer) {
Con_DrawRightFloatingTextLine( 6, NULL, va( "Scrollbar (px): Size %d HandleSize %d Position %d", (int) scrollBarLength, (int) scrollHandleLength, (int) scrollHandlePostition ) );
}
}
void Con_DrawScrollbackMarkerline( int lineDrawPosition )
{
vec4_t color;
//to not run into the scrollbar
const int scrollBarImpliedPadding = 2 * consoleState.padding.sides + 2 * consoleState.border.sides;
color[ 0 ] = 0.8f;
color[ 1 ] = 0.0f;
color[ 2 ] = 0.0f;
color[ 3 ] = 0.5f * consoleState.currentAlphaFactor;
SCR_FillRect( consoleState.margin.sides + consoleState.border.sides + consoleState.padding.sides/2,
lineDrawPosition + SCR_ConsoleFontCharVPadding(),
cls.glconfig.vidWidth - 2 * consoleState.margin.sides - 2 * consoleState.border.sides - consoleState.padding.sides/2 - scrollBarImpliedPadding,
1, color );
}
/*
================
Con_MarginFadeAlpha
================
*/
static float Con_MarginFadeAlpha( float alpha, float lineDrawPosition, int topMargin, int bottomMargin, int charHeight )
{
if ( lineDrawPosition > bottomMargin && lineDrawPosition <= bottomMargin + charHeight )
{
return alpha * (float)( bottomMargin + charHeight - lineDrawPosition ) / (float) charHeight;
}
if ( lineDrawPosition < topMargin || lineDrawPosition >= topMargin + charHeight )
{
return alpha;
}
return alpha * (float)( lineDrawPosition - topMargin ) / (float) charHeight;
}
/*
================
Con_DrawConsoleContent
================
*/
void Con_DrawConsoleContent( void )
{
float currentWidthLocation = 0;
int x;
float lineDrawPosition, lineDrawLowestPosition;
int row;
int currentColor;
vec4_t color;
const int charHeight = SCR_ConsoleFontCharHeight();
const int charPadding = SCR_ConsoleFontCharVPadding();
const int textDistanceToTop = consoleState.margin.top
+ consoleState.padding.top
+ consoleState.border.top
- charPadding - 1;
// draw from the bottom up
lineDrawPosition = consoleState.height
+ consoleState.margin.top
- consoleState.padding.bottom
- consoleState.border.top
- charPadding - 1;
if (lineDrawPosition <= textDistanceToTop)
{
return;
}
// draw the input prompt, user text, and cursor if desired
// moved back here (have observed render issues to do with time taken)
Con_DrawInput( lineDrawPosition, Con_MarginFadeAlpha( 1, lineDrawPosition, textDistanceToTop, lineDrawPosition, charHeight ) );
lineDrawPosition -= charHeight;
if (lineDrawPosition <= textDistanceToTop)
{
return;