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gzdoom-gles/src/c_console.cpp

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/*
** c_console.cpp
** Implements the console itself
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include "templates.h"
#include "p_setup.h"
#include <stdarg.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include "version.h"
#include "g_game.h"
#include "c_bind.h"
#include "c_console.h"
#include "c_cvars.h"
#include "c_dispatch.h"
#include "hu_stuff.h"
#include "i_system.h"
#include "i_video.h"
#include "i_input.h"
#include "m_swap.h"
#include "v_palette.h"
#include "v_video.h"
#include "v_text.h"
#include "w_wad.h"
#include "sbar.h"
#include "s_sound.h"
#include "s_sndseq.h"
#include "doomstat.h"
#include "d_gui.h"
#include "v_video.h"
#include "cmdlib.h"
#include "d_net.h"
#include "g_level.h"
#include "d_event.h"
#include "d_player.h"
#include "gstrings.h"
#include "c_consolebuffer.h"
#include "g_levellocals.h"
FString FStringFormat(VM_ARGS); // extern from thingdef_data.cpp
#include "gi.h"
#define LEFTMARGIN 8
#define RIGHTMARGIN 8
#define BOTTOMARGIN 12
CUSTOM_CVAR(Int, con_buffersize, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
{
// ensure a minimum size
if (self >= 0 && self < 128) self = 128;
}
FConsoleBuffer *conbuffer;
static void C_TabComplete (bool goForward);
static bool C_TabCompleteList ();
static bool TabbedLast; // True if last key pressed was tab
static bool TabbedList; // True if tab list was shown
CVAR(Bool, con_notablist, false, CVAR_ARCHIVE)
static FTextureID conback;
static DWORD conshade;
static bool conline;
extern int gametic;
extern bool automapactive; // in AM_map.c
extern bool advancedemo;
extern FBaseCVar *CVars;
extern FConsoleCommand *Commands[FConsoleCommand::HASH_SIZE];
unsigned ConCols;
int ConWidth;
bool vidactive = false;
bool cursoron = false;
int ConBottom, ConScroll, RowAdjust;
int CursorTicker;
constate_e ConsoleState = c_up;
static int TopLine, InsertLine;
static void ClearConsole ();
struct GameAtExit
{
GameAtExit(FString str) : Command(str) {}
GameAtExit *Next;
FString Command;
};
static GameAtExit *ExitCmdList;
#define SCROLLUP 1
#define SCROLLDN 2
#define SCROLLNO 0
EXTERN_CVAR (Bool, show_messages)
static unsigned int TickerAt, TickerMax;
static bool TickerPercent;
static const char *TickerLabel;
static bool TickerVisible;
static bool ConsoleDrawing;
// Buffer for AddToConsole()
static char *work = NULL;
static int worklen = 0;
CVAR(Float, con_notifytime, 3.f, CVAR_ARCHIVE)
CVAR(Bool, con_centernotify, false, CVAR_ARCHIVE)
CUSTOM_CVAR(Int, con_scaletext, 1, CVAR_ARCHIVE) // Scale notify text at high resolutions?
{
if (self < 0) self = 0;
if (self > 3) self = 3;
}
CUSTOM_CVAR(Int, con_scale, 0, CVAR_ARCHIVE)
{
if (self < 0) self = 0;
}
int active_con_scale()
{
int scale = con_scale;
if (scale <= 0)
{
scale = CleanXfac - 1;
if (scale <= 0)
{
scale = 1;
}
}
return scale;
}
int active_con_scaletext()
{
switch (con_scaletext)
{
default:
case 0: return 1;
case 1: return uiscale;
case 2: return 2;
case 3: return 4;
}
}
CUSTOM_CVAR(Float, con_alpha, 0.75f, CVAR_ARCHIVE)
{
if (self < 0.f) self = 0.f;
if (self > 1.f) self = 1.f;
}
// Command to run when Ctrl-D is pressed at start of line
CVAR(String, con_ctrl_d, "", CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
struct History
{
struct History *Older;
struct History *Newer;
FString String;
};
struct FCommandBuffer
{
FString Text; // The actual command line text
unsigned CursorPos;
unsigned StartPos; // First character to display
FCommandBuffer()
{
CursorPos = StartPos = 0;
}
FCommandBuffer(const FCommandBuffer &o)
{
Text = o.Text;
CursorPos = o.CursorPos;
StartPos = o.StartPos;
}
void Draw(int x, int y, int scale, bool cursor)
{
if (scale == 1)
{
screen->DrawChar(ConFont, CR_ORANGE, x, y, '\x1c', TAG_DONE);
screen->DrawText(ConFont, CR_ORANGE, x + ConFont->GetCharWidth(0x1c), y,
&Text[StartPos], TAG_DONE);
if (cursor)
{
screen->DrawChar(ConFont, CR_YELLOW,
x + ConFont->GetCharWidth(0x1c) + (CursorPos - StartPos) * ConFont->GetCharWidth(0xb),
y, '\xb', TAG_DONE);
}
}
else
{
screen->DrawChar(ConFont, CR_ORANGE, x, y, '\x1c',
DTA_VirtualWidth, screen->GetWidth() / scale,
DTA_VirtualHeight, screen->GetHeight() / scale,
DTA_KeepRatio, true, TAG_DONE);
screen->DrawText(ConFont, CR_ORANGE, x + ConFont->GetCharWidth(0x1c), y,
&Text[StartPos],
DTA_VirtualWidth, screen->GetWidth() / scale,
DTA_VirtualHeight, screen->GetHeight() / scale,
DTA_KeepRatio, true, TAG_DONE);
if (cursor)
{
screen->DrawChar(ConFont, CR_YELLOW,
x + ConFont->GetCharWidth(0x1c) + (CursorPos - StartPos) * ConFont->GetCharWidth(0xb),
y, '\xb',
DTA_VirtualWidth, screen->GetWidth() / scale,
DTA_VirtualHeight, screen->GetHeight() / scale,
DTA_KeepRatio, true, TAG_DONE);
}
}
}
void MakeStartPosGood()
{
int n = StartPos;
unsigned cols = ConCols / active_con_scale();
if (StartPos >= Text.Len())
{ // Start of visible line is beyond end of line
n = CursorPos - cols + 2;
}
if ((CursorPos - StartPos) >= cols - 2)
{ // The cursor is beyond the visible part of the line
n = CursorPos - cols + 2;
}
if (StartPos > CursorPos)
{ // The cursor is in front of the visible part of the line
n = CursorPos;
}
StartPos = MAX(0, n);
}
void CursorStart()
{
CursorPos = 0;
StartPos = 0;
}
void CursorEnd()
{
CursorPos = (unsigned)Text.Len();
StartPos = 0;
MakeStartPosGood();
}
void CursorLeft()
{
if (CursorPos > 0)
{
CursorPos--;
MakeStartPosGood();
}
}
void CursorRight()
{
if (CursorPos < Text.Len())
{
CursorPos++;
MakeStartPosGood();
}
}
void DeleteLeft()
{
if (CursorPos > 0)
{
Text.Remove(CursorPos - 1, 1);
CursorPos--;
MakeStartPosGood();
}
}
void DeleteRight()
{
if (CursorPos < Text.Len())
{
Text.Remove(CursorPos, 1);
MakeStartPosGood();
}
}
void AddChar(int character)
{
///FIXME: Not Unicode-aware
if (CursorPos == Text.Len())
{
Text += char(character);
}
else
{
char foo = char(character);
Text.Insert(CursorPos, &foo, 1);
}
CursorPos++;
MakeStartPosGood();
}
void AddString(FString clip)
{
if (clip.IsNotEmpty())
{
// Only paste the first line.
long brk = clip.IndexOfAny("\r\n\b");
if (brk >= 0)
{
clip.Truncate(brk);
}
if (Text.IsEmpty())
{
Text = clip;
}
else
{
Text.Insert(CursorPos, clip);
}
CursorPos += (unsigned)clip.Len();
MakeStartPosGood();
}
}
void SetString(FString str)
{
Text = str;
CursorPos = (unsigned)Text.Len();
MakeStartPosGood();
}
};
static FCommandBuffer CmdLine;
#define MAXHISTSIZE 50
static struct History *HistHead = NULL, *HistTail = NULL, *HistPos = NULL;
static int HistSize;
#define NUMNOTIFIES 4
#define NOTIFYFADETIME 6
struct FNotifyText
{
int TimeOut;
int PrintLevel;
FString Text;
};
struct FNotifyBuffer
{
public:
FNotifyBuffer();
void AddString(int printlevel, FString source);
void Shift(int maxlines);
void Clear() { Text.Clear(); }
void Tick();
void Draw();
private:
TArray<FNotifyText> Text;
int Top;
int TopGoal;
enum { NEWLINE, APPENDLINE, REPLACELINE } AddType;
};
static FNotifyBuffer NotifyStrings;
CUSTOM_CVAR(Int, con_notifylines, NUMNOTIFIES, CVAR_GLOBALCONFIG | CVAR_ARCHIVE)
{
NotifyStrings.Shift(self);
}
int PrintColors[PRINTLEVELS+2] = { CR_RED, CR_GOLD, CR_GRAY, CR_GREEN, CR_GREEN, CR_GOLD };
static void setmsgcolor (int index, int color);
FILE *Logfile = NULL;
FIntCVar msglevel ("msg", 0, CVAR_ARCHIVE);
CUSTOM_CVAR (Int, msg0color, 6, CVAR_ARCHIVE)
{
setmsgcolor (0, self);
}
CUSTOM_CVAR (Int, msg1color, 5, CVAR_ARCHIVE)
{
setmsgcolor (1, self);
}
CUSTOM_CVAR (Int, msg2color, 2, CVAR_ARCHIVE)
{
setmsgcolor (2, self);
}
CUSTOM_CVAR (Int, msg3color, 3, CVAR_ARCHIVE)
{
setmsgcolor (3, self);
}
CUSTOM_CVAR (Int, msg4color, 3, CVAR_ARCHIVE)
{
setmsgcolor (4, self);
}
CUSTOM_CVAR (Int, msgmidcolor, 5, CVAR_ARCHIVE)
{
setmsgcolor (PRINTLEVELS, self);
}
CUSTOM_CVAR (Int, msgmidcolor2, 4, CVAR_ARCHIVE)
{
setmsgcolor (PRINTLEVELS+1, self);
}
static void maybedrawnow (bool tick, bool force)
{
// FIXME: Does not work right with hw2d
if (ConsoleDrawing || screen == NULL || screen->IsLocked () || screen->Accel2D || ConFont == NULL)
{
return;
}
if (vidactive &&
(((tick || gameaction != ga_nothing) && ConsoleState == c_down)
|| gamestate == GS_STARTUP))
{
static size_t lastprinttime = 0;
size_t nowtime = I_GetTime(false);
if (nowtime - lastprinttime > 1 || force)
{
screen->Lock (false);
C_DrawConsole (false);
screen->Update ();
lastprinttime = nowtime;
}
}
}
struct TextQueue
{
TextQueue (bool notify, int printlevel, const char *text)
: Next(NULL), bNotify(notify), PrintLevel(printlevel), Text(text)
{
}
TextQueue *Next;
bool bNotify;
int PrintLevel;
FString Text;
};
TextQueue *EnqueuedText, **EnqueuedTextTail = &EnqueuedText;
void EnqueueConsoleText (bool notify, int printlevel, const char *text)
{
TextQueue *queued = new TextQueue (notify, printlevel, text);
*EnqueuedTextTail = queued;
EnqueuedTextTail = &queued->Next;
}
void DequeueConsoleText ()
{
TextQueue *queued = EnqueuedText;
while (queued != NULL)
{
TextQueue *next = queued->Next;
if (queued->bNotify)
{
NotifyStrings.AddString(queued->PrintLevel, queued->Text);
}
else
{
AddToConsole (queued->PrintLevel, queued->Text);
}
delete queued;
queued = next;
}
EnqueuedText = NULL;
EnqueuedTextTail = &EnqueuedText;
}
void C_InitConback()
{
conback = TexMan.CheckForTexture ("CONBACK", FTexture::TEX_MiscPatch);
if (!conback.isValid())
{
conback = TexMan.GetTexture (gameinfo.TitlePage, FTexture::TEX_MiscPatch);
conshade = MAKEARGB(175,0,0,0);
conline = true;
}
else
{
conshade = 0;
conline = false;
}
}
void C_InitConsole (int width, int height, bool ingame)
{
int cwidth, cheight;
vidactive = ingame;
if (ConFont != NULL)
{
cwidth = ConFont->GetCharWidth ('M');
cheight = ConFont->GetHeight();
}
else
{
cwidth = cheight = 8;
}
ConWidth = (width - LEFTMARGIN - RIGHTMARGIN);
ConCols = ConWidth / cwidth;
if (conbuffer == NULL) conbuffer = new FConsoleBuffer;
}
//==========================================================================
//
// CCMD atexit
//
//==========================================================================
CCMD (atexit)
{
if (argv.argc() == 1)
{
Printf ("Registered atexit commands:\n");
GameAtExit *record = ExitCmdList;
while (record != NULL)
{
Printf ("%s\n", record->Command.GetChars());
record = record->Next;
}
return;
}
for (int i = 1; i < argv.argc(); ++i)
{
GameAtExit *record = new GameAtExit(argv[i]);
record->Next = ExitCmdList;
ExitCmdList = record;
}
}
//==========================================================================
//
// C_DeinitConsole
//
// Executes the contents of the atexit cvar, if any, at quit time.
// Then releases all of the console's memory.
//
//==========================================================================
void C_DeinitConsole ()
{
GameAtExit *cmd = ExitCmdList;
while (cmd != NULL)
{
GameAtExit *next = cmd->Next;
AddCommandString (cmd->Command.LockBuffer());
delete cmd;
cmd = next;
}
// Free command history
History *hist = HistTail;
while (hist != NULL)
{
History *next = hist->Newer;
delete hist;
hist = next;
}
HistTail = HistHead = HistPos = NULL;
// Free cvars allocated at runtime
FBaseCVar *var, *next, **nextp;
for (var = CVars, nextp = &CVars; var != NULL; var = next)
{
next = var->m_Next;
if (var->GetFlags() & CVAR_UNSETTABLE)
{
delete var;
*nextp = next;
}
else
{
nextp = &var->m_Next;
}
}
// Free alias commands. (i.e. The "commands" that can be allocated
// at runtime.)
for (size_t i = 0; i < countof(Commands); ++i)
{
FConsoleCommand *cmd = Commands[i];
while (cmd != NULL)
{
FConsoleCommand *next = cmd->m_Next;
if (cmd->IsAlias())
{
delete cmd;
}
cmd = next;
}
}
// Make sure all tab commands are cleared before the memory for
// their names is deallocated.
C_ClearTabCommands ();
// Free AddToConsole()'s work buffer
if (work != NULL)
{
free (work);
work = NULL;
worklen = 0;
}
if (conbuffer != NULL)
{
delete conbuffer;
conbuffer = NULL;
}
}
static void ClearConsole ()
{
if (conbuffer != NULL)
{
conbuffer->Clear();
}
TopLine = InsertLine = 0;
}
static void setmsgcolor (int index, int color)
{
if ((unsigned)color >= (unsigned)NUM_TEXT_COLORS)
color = 0;
PrintColors[index] = color;
}
extern int DisplayWidth;
FNotifyBuffer::FNotifyBuffer()
{
Top = TopGoal = 0;
AddType = NEWLINE;
}
void FNotifyBuffer::Shift(int maxlines)
{
if (maxlines >= 0 && Text.Size() > (unsigned)maxlines)
{
Text.Delete(0, Text.Size() - maxlines);
}
}
void FNotifyBuffer::AddString(int printlevel, FString source)
{
FBrokenLines *lines;
int i, width;
if ((printlevel != 128 && !show_messages) ||
source.IsEmpty() ||
gamestate == GS_FULLCONSOLE ||
gamestate == GS_DEMOSCREEN ||
con_notifylines == 0)
return;
if (ConsoleDrawing)
{
EnqueueConsoleText (true, printlevel, source);
return;
}
if (active_con_scaletext() == 0)
{
width = DisplayWidth / CleanXfac;
}
else
{
width = DisplayWidth / active_con_scaletext();
}
if (AddType == APPENDLINE && Text.Size() > 0 && Text[Text.Size() - 1].PrintLevel == printlevel)
{
FString str = Text[Text.Size() - 1].Text + source;
lines = V_BreakLines (SmallFont, width, str);
}
else
{
lines = V_BreakLines (SmallFont, width, source);
if (AddType == APPENDLINE)
{
AddType = NEWLINE;
}
}
if (lines == NULL)
return;
for (i = 0; lines[i].Width >= 0; i++)
{
FNotifyText newline;
newline.Text = lines[i].Text;
newline.TimeOut = gametic + int(con_notifytime * TICRATE);
newline.PrintLevel = printlevel;
if (AddType == NEWLINE || Text.Size() == 0)
{
if (con_notifylines > 0)
{
Shift(con_notifylines - 1);
}
Text.Push(newline);
}
else
{
Text[Text.Size() - 1] = newline;
}
AddType = NEWLINE;
}
V_FreeBrokenLines (lines);
lines = NULL;
switch (source[source.Len()-1])
{
case '\r': AddType = REPLACELINE; break;
case '\n': AddType = NEWLINE; break;
default: AddType = APPENDLINE; break;
}
TopGoal = 0;
}
void AddToConsole (int printlevel, const char *text)
{
conbuffer->AddText(printlevel, text, Logfile);
}
/* Adds a string to the console and also to the notify buffer */
int PrintString (int printlevel, const char *outline)
{
if (printlevel < msglevel || *outline == '\0')
{
return 0;
}
if (printlevel != PRINT_LOG)
{
I_PrintStr (outline);
AddToConsole (printlevel, outline);
if (vidactive && screen && SmallFont)
{
NotifyStrings.AddString(printlevel, outline);
maybedrawnow (false, false);
}
}
else if (Logfile != NULL)
{
fputs (outline, Logfile);
fflush (Logfile);
}
return (int)strlen (outline);
}
extern bool gameisdead;
int VPrintf (int printlevel, const char *format, va_list parms)
{
if (gameisdead)
return 0;
FString outline;
outline.VFormat (format, parms);
return PrintString (printlevel, outline.GetChars());
}
int Printf (int printlevel, const char *format, ...)
{
va_list argptr;
int count;
va_start (argptr, format);
count = VPrintf (printlevel, format, argptr);
va_end (argptr);
return count;
}
int Printf (const char *format, ...)
{
va_list argptr;
int count;
va_start (argptr, format);
count = VPrintf (PRINT_HIGH, format, argptr);
va_end (argptr);
return count;
}
int DPrintf (int level, const char *format, ...)
{
va_list argptr;
int count;
if (developer >= level)
{
va_start (argptr, format);
count = VPrintf (PRINT_HIGH, format, argptr);
va_end (argptr);
return count;
}
else
{
return 0;
}
}
void C_FlushDisplay ()
{
NotifyStrings.Clear();
}
void C_AdjustBottom ()
{
if (gamestate == GS_FULLCONSOLE || gamestate == GS_STARTUP)
ConBottom = SCREENHEIGHT;
else if (ConBottom > SCREENHEIGHT / 2 || ConsoleState == c_down)
ConBottom = SCREENHEIGHT / 2;
}
void C_NewModeAdjust ()
{
C_InitConsole (SCREENWIDTH, SCREENHEIGHT, true);
C_FlushDisplay ();
C_AdjustBottom ();
}
int consoletic = 0;
void C_Ticker()
{
static int lasttic = 0;
consoletic++;
if (lasttic == 0)
lasttic = consoletic - 1;
if (con_buffersize > 0)
{
conbuffer->ResizeBuffer(con_buffersize);
}
if (ConsoleState != c_up)
{
if (ConsoleState == c_falling)
{
ConBottom += (consoletic - lasttic) * (SCREENHEIGHT * 2 / 25);
if (ConBottom >= SCREENHEIGHT / 2)
{
ConBottom = SCREENHEIGHT / 2;
ConsoleState = c_down;
}
}
else if (ConsoleState == c_rising)
{
ConBottom -= (consoletic - lasttic) * (SCREENHEIGHT * 2 / 25);
if (ConBottom <= 0)
{
ConsoleState = c_up;
ConBottom = 0;
}
}
}
if (--CursorTicker <= 0)
{
cursoron ^= 1;
CursorTicker = C_BLINKRATE;
}
lasttic = consoletic;
NotifyStrings.Tick();
}
void FNotifyBuffer::Tick()
{
if (TopGoal > Top)
{
Top++;
}
else if (TopGoal < Top)
{
Top--;
}
// Remove lines from the beginning that have expired.
unsigned i;
for (i = 0; i < Text.Size(); ++i)
{
if (Text[i].TimeOut != 0 && Text[i].TimeOut > gametic)
break;
}
if (i > 0)
{
Text.Delete(0, i);
}
}
void FNotifyBuffer::Draw()
{
bool center = (con_centernotify != 0.f);
int line, lineadv, color, j;
bool canskip;
if (gamestate == GS_FULLCONSOLE || gamestate == GS_DEMOSCREEN/* || menuactive != MENU_Off*/)
return;
line = Top;
canskip = true;
lineadv = SmallFont->GetHeight ();
if (active_con_scaletext() == 0)
{
lineadv *= CleanYfac;
}
BorderTopRefresh = screen->GetPageCount ();
for (unsigned i = 0; i < Text.Size(); ++ i)
{
FNotifyText &notify = Text[i];
if (notify.TimeOut == 0)
continue;
j = notify.TimeOut - gametic;
if (j > 0)
{
if (!show_messages && notify.PrintLevel != 128)
continue;
double alpha = (j < NOTIFYFADETIME) ? 1. * j / NOTIFYFADETIME : 1;
if (notify.PrintLevel >= PRINTLEVELS)
color = CR_UNTRANSLATED;
else
color = PrintColors[notify.PrintLevel];
if (active_con_scaletext() == 0)
{
if (!center)
screen->DrawText (SmallFont, color, 0, line, notify.Text,
DTA_CleanNoMove, true, DTA_Alpha, alpha, TAG_DONE);
else
screen->DrawText (SmallFont, color, (SCREENWIDTH -
SmallFont->StringWidth (notify.Text)*CleanXfac)/2,
line, notify.Text, DTA_CleanNoMove, true,
DTA_Alpha, alpha, TAG_DONE);
}
else if (active_con_scaletext() == 1)
{
if (!center)
screen->DrawText (SmallFont, color, 0, line, notify.Text,
DTA_Alpha, alpha, TAG_DONE);
else
screen->DrawText (SmallFont, color, (SCREENWIDTH -
SmallFont->StringWidth (notify.Text))/2,
line, notify.Text,
DTA_Alpha, alpha, TAG_DONE);
}
else
{
if (!center)
screen->DrawText (SmallFont, color, 0, line, notify.Text,
DTA_VirtualWidth, screen->GetWidth() / active_con_scaletext(),
DTA_VirtualHeight, screen->GetHeight() / active_con_scaletext(),
DTA_KeepRatio, true,
DTA_Alpha, alpha, TAG_DONE);
else
screen->DrawText (SmallFont, color, (screen->GetWidth() -
SmallFont->StringWidth (notify.Text) * active_con_scaletext()) / 2 / active_con_scaletext(),
line, notify.Text,
DTA_VirtualWidth, screen->GetWidth() / active_con_scaletext(),
DTA_VirtualHeight, screen->GetHeight() / active_con_scaletext(),
DTA_KeepRatio, true,
DTA_Alpha, alpha, TAG_DONE);
}
line += lineadv;
canskip = false;
}
else
{
if (canskip)
{
Top += lineadv;
line += lineadv;
}
notify.TimeOut = 0;
}
}
if (canskip)
{
Top = TopGoal;
}
}
void C_InitTicker (const char *label, unsigned int max, bool showpercent)
{
TickerPercent = showpercent;
TickerMax = max;
TickerLabel = label;
TickerAt = 0;
maybedrawnow (true, false);
}
void C_SetTicker (unsigned int at, bool forceUpdate)
{
TickerAt = at > TickerMax ? TickerMax : at;
maybedrawnow (true, TickerVisible ? forceUpdate : false);
}
void C_DrawConsole (bool hw2d)
{
static int oldbottom = 0;
int lines, left, offset;
int textScale = active_con_scale();
left = LEFTMARGIN;
lines = (ConBottom/textScale-ConFont->GetHeight()*2)/ConFont->GetHeight();
if (-ConFont->GetHeight() + lines*ConFont->GetHeight() > ConBottom/textScale - ConFont->GetHeight()*7/2)
{
offset = -ConFont->GetHeight()/2;
lines--;
}
else
{
offset = -ConFont->GetHeight();
}
if ((ConBottom < oldbottom) &&
(gamestate == GS_LEVEL || gamestate == GS_TITLELEVEL) &&
(viewwindowx || viewwindowy) &&
viewactive)
{
V_SetBorderNeedRefresh();
}
oldbottom = ConBottom;
if (ConsoleState == c_up)
{
NotifyStrings.Draw();
return;
}
else if (ConBottom)
{
int visheight;
FTexture *conpic = TexMan[conback];
visheight = ConBottom;
screen->DrawTexture (conpic, 0, visheight - screen->GetHeight(),
DTA_DestWidth, screen->GetWidth(),
DTA_DestHeight, screen->GetHeight(),
DTA_ColorOverlay, conshade,
DTA_Alpha, (hw2d && gamestate != GS_FULLCONSOLE) ? (double)con_alpha : 1.,
DTA_Masked, false,
TAG_DONE);
if (conline && visheight < screen->GetHeight())
{
screen->Clear (0, visheight, screen->GetWidth(), visheight+1, 0, 0);
}
if (ConBottom >= 12)
{
if (textScale == 1)
screen->DrawText (ConFont, CR_ORANGE, SCREENWIDTH - 8 -
ConFont->StringWidth (GetVersionString()),
ConBottom / textScale - ConFont->GetHeight() - 4,
GetVersionString(), TAG_DONE);
else
screen->DrawText(ConFont, CR_ORANGE, SCREENWIDTH / textScale - 8 -
ConFont->StringWidth(GetVersionString()),
ConBottom / textScale - ConFont->GetHeight() - 4,
GetVersionString(),
DTA_VirtualWidth, screen->GetWidth() / textScale,
DTA_VirtualHeight, screen->GetHeight() / textScale,
DTA_KeepRatio, true, TAG_DONE);
if (TickerMax)
{
char tickstr[256];
const int tickerY = ConBottom / textScale - ConFont->GetHeight() - 4;
size_t i;
int tickend = ConCols / textScale - SCREENWIDTH / textScale / 90 - 6;
int tickbegin = 0;
if (TickerLabel)
{
tickbegin = (int)strlen (TickerLabel) + 2;
mysnprintf (tickstr, countof(tickstr), "%s: ", TickerLabel);
}
if (tickend > 256 - ConFont->GetCharWidth(0x12))
tickend = 256 - ConFont->GetCharWidth(0x12);
tickstr[tickbegin] = 0x10;
memset (tickstr + tickbegin + 1, 0x11, tickend - tickbegin);
tickstr[tickend + 1] = 0x12;
tickstr[tickend + 2] = ' ';
if (TickerPercent)
{
mysnprintf (tickstr + tickend + 3, countof(tickstr) - tickend - 3,
"%d%%", Scale (TickerAt, 100, TickerMax));
}
else
{
tickstr[tickend+3] = 0;
}
if (textScale == 1)
screen->DrawText (ConFont, CR_BROWN, LEFTMARGIN, tickerY, tickstr, TAG_DONE);
else
screen->DrawText (ConFont, CR_BROWN, LEFTMARGIN, tickerY, tickstr,
DTA_VirtualWidth, screen->GetWidth() / textScale,
DTA_VirtualHeight, screen->GetHeight() / textScale,
DTA_KeepRatio, true, TAG_DONE);
// Draw the marker
i = LEFTMARGIN+5+tickbegin*8 + Scale (TickerAt, (SDWORD)(tickend - tickbegin)*8, TickerMax);
if (textScale == 1)
screen->DrawChar (ConFont, CR_ORANGE, (int)i, tickerY, 0x13, TAG_DONE);
else
screen->DrawChar(ConFont, CR_ORANGE, (int)i, tickerY, 0x13,
DTA_VirtualWidth, screen->GetWidth() / textScale,
DTA_VirtualHeight, screen->GetHeight() / textScale,
DTA_KeepRatio, true, TAG_DONE);
TickerVisible = true;
}
else
{
TickerVisible = false;
}
}
// Apply palette blend effects
if (StatusBar != NULL && !hw2d)
{
player_t *player = StatusBar->CPlayer;
if (player->camera != NULL && player->camera->player != NULL)
{
player = player->camera->player;
}
if (player->BlendA != 0 && (gamestate == GS_LEVEL || gamestate == GS_TITLELEVEL))
{
screen->Dim (PalEntry ((unsigned char)(player->BlendR*255), (unsigned char)(player->BlendG*255), (unsigned char)(player->BlendB*255)),
player->BlendA, 0, ConBottom, screen->GetWidth(), screen->GetHeight() - ConBottom);
ST_SetNeedRefresh();
V_SetBorderNeedRefresh();
}
}
}
if (menuactive != MENU_Off)
{
return;
}
if (lines > 0)
{
// No more enqueuing because adding new text to the console won't touch the actual print data.
conbuffer->FormatText(ConFont, ConWidth / textScale);
unsigned int consolelines = conbuffer->GetFormattedLineCount();
FBrokenLines **blines = conbuffer->GetLines();
FBrokenLines **printline = blines + consolelines - 1 - RowAdjust;
int bottomline = ConBottom / textScale - ConFont->GetHeight()*2 - 4;
ConsoleDrawing = true;
for(FBrokenLines **p = printline; p >= blines && lines > 0; p--, lines--)
{
if (textScale == 1)
{
screen->DrawText(ConFont, CR_TAN, LEFTMARGIN, offset + lines * ConFont->GetHeight(), (*p)->Text, TAG_DONE);
}
else
{
screen->DrawText(ConFont, CR_TAN, LEFTMARGIN, offset + lines * ConFont->GetHeight(), (*p)->Text,
DTA_VirtualWidth, screen->GetWidth() / textScale,
DTA_VirtualHeight, screen->GetHeight() / textScale,
DTA_KeepRatio, true, TAG_DONE);
}
}
ConsoleDrawing = false;
if (ConBottom >= 20)
{
if (gamestate != GS_STARTUP)
{
// Make a copy of the command line, in case an input event is handled
// while we draw the console and it changes.
FCommandBuffer command(CmdLine);
command.Draw(left, bottomline, textScale, cursoron);
}
if (RowAdjust && ConBottom >= ConFont->GetHeight()*7/2)
{
// Indicate that the view has been scrolled up (10)
// and if we can scroll no further (12)
if (textScale == 1)
screen->DrawChar (ConFont, CR_GREEN, 0, bottomline, RowAdjust == conbuffer->GetFormattedLineCount() ? 12 : 10, TAG_DONE);
else
screen->DrawChar(ConFont, CR_GREEN, 0, bottomline, RowAdjust == conbuffer->GetFormattedLineCount() ? 12 : 10,
DTA_VirtualWidth, screen->GetWidth() / textScale,
DTA_VirtualHeight, screen->GetHeight() / textScale,
DTA_KeepRatio, true, TAG_DONE);
}
}
}
}
void C_FullConsole ()
{
if (demoplayback)
G_CheckDemoStatus ();
D_QuitNetGame ();
advancedemo = false;
ConsoleState = c_down;
HistPos = NULL;
TabbedLast = false;
TabbedList = false;
if (gamestate != GS_STARTUP)
{
gamestate = GS_FULLCONSOLE;
level.Music = "";
S_Start ();
P_FreeLevelData ();
V_SetBlend (0,0,0,0);
}
else
{
C_AdjustBottom ();
}
}
void C_ToggleConsole ()
{
if (gamestate == GS_DEMOSCREEN || demoplayback)
{
gameaction = ga_fullconsole;
}
else if (!chatmodeon && (ConsoleState == c_up || ConsoleState == c_rising) && menuactive == MENU_Off)
{
ConsoleState = c_falling;
HistPos = NULL;
TabbedLast = false;
TabbedList = false;
}
else if (gamestate != GS_FULLCONSOLE && gamestate != GS_STARTUP)
{
ConsoleState = c_rising;
C_FlushDisplay ();
}
}
void C_HideConsole ()
{
if (gamestate != GS_FULLCONSOLE)
{
ConsoleState = c_up;
ConBottom = 0;
HistPos = NULL;
}
}
DEFINE_ACTION_FUNCTION(_Console, HideConsole)
{
C_HideConsole();
return 0;
}
DEFINE_ACTION_FUNCTION(_Console, Printf)
{
PARAM_PROLOGUE;
FString s = FStringFormat(param, defaultparam, numparam, ret, numret);
Printf("%s\n", s.GetChars());
return 0;
}
static bool C_HandleKey (event_t *ev, FCommandBuffer &buffer)
{
int data1 = ev->data1;
switch (ev->subtype)
{
default:
return false;
case EV_GUI_Char:
// Add keypress to command line
buffer.AddChar(ev->data1);
HistPos = NULL;
TabbedLast = false;
TabbedList = false;
break;
case EV_GUI_WheelUp:
case EV_GUI_WheelDown:
if (!(ev->data3 & GKM_SHIFT))
{
data1 = GK_PGDN + EV_GUI_WheelDown - ev->subtype;
}
else
{
data1 = GK_DOWN + EV_GUI_WheelDown - ev->subtype;
}
// Intentional fallthrough
case EV_GUI_KeyDown:
case EV_GUI_KeyRepeat:
switch (data1)
{
case '\t':
// Try to do tab-completion
C_TabComplete ((ev->data3 & GKM_SHIFT) ? false : true);
break;
case GK_PGUP:
if (ev->data3 & (GKM_SHIFT|GKM_CTRL))
{ // Scroll console buffer up one page
RowAdjust += (SCREENHEIGHT-4)/active_con_scale() /
((gamestate == GS_FULLCONSOLE || gamestate == GS_STARTUP) ? ConFont->GetHeight() : ConFont->GetHeight()*2) - 3;
}
else if (RowAdjust < conbuffer->GetFormattedLineCount())
{ // Scroll console buffer up
if (ev->subtype == EV_GUI_WheelUp)
{
RowAdjust += 3;
}
else
{
RowAdjust++;
}
if (RowAdjust > conbuffer->GetFormattedLineCount())
{
RowAdjust = conbuffer->GetFormattedLineCount();
}
}
break;
case GK_PGDN:
if (ev->data3 & (GKM_SHIFT|GKM_CTRL))
{ // Scroll console buffer down one page
const int scrollamt = (SCREENHEIGHT-4)/active_con_scale() /
((gamestate == GS_FULLCONSOLE || gamestate == GS_STARTUP) ? ConFont->GetHeight() : ConFont->GetHeight()*2) - 3;
if (RowAdjust < scrollamt)
{
RowAdjust = 0;
}
else
{
RowAdjust -= scrollamt;
}
}
else if (RowAdjust > 0)
{ // Scroll console buffer down
if (ev->subtype == EV_GUI_WheelDown)
{
RowAdjust = MAX (0, RowAdjust - 3);
}
else
{
RowAdjust--;
}
}
break;
case GK_HOME:
if (ev->data3 & GKM_CTRL)
{ // Move to top of console buffer
RowAdjust = conbuffer->GetFormattedLineCount();
}
else
{ // Move cursor to start of line
buffer.CursorStart();
}
break;
case GK_END:
if (ev->data3 & GKM_CTRL)
{ // Move to bottom of console buffer
RowAdjust = 0;
}
else
{ // Move cursor to end of line
buffer.CursorEnd();
}
break;
case GK_LEFT:
// Move cursor left one character
buffer.CursorLeft();
break;
case GK_RIGHT:
// Move cursor right one character
buffer.CursorRight();
break;
case '\b':
// Erase character to left of cursor
buffer.DeleteLeft();
TabbedLast = false;
TabbedList = false;
break;
case GK_DEL:
// Erase character under cursor
buffer.DeleteRight();
TabbedLast = false;
TabbedList = false;
break;
case GK_UP:
// Move to previous entry in the command history
if (HistPos == NULL)
{
HistPos = HistHead;
}
else if (HistPos->Older)
{
HistPos = HistPos->Older;
}
if (HistPos)
{
buffer.SetString(HistPos->String);
}
TabbedLast = false;
TabbedList = false;
break;
case GK_DOWN:
// Move to next entry in the command history
if (HistPos && HistPos->Newer)
{
HistPos = HistPos->Newer;
buffer.SetString(HistPos->String);
}
else
{
HistPos = NULL;
buffer.SetString("");
}
TabbedLast = false;
TabbedList = false;
break;
case 'X':
if (ev->data3 & GKM_CTRL)
{
buffer.SetString("");
TabbedLast = TabbedList = false;
}
break;
case 'D':
if (ev->data3 & GKM_CTRL && buffer.Text.Len() == 0)
{ // Control-D pressed on an empty line
if (strlen(con_ctrl_d) == 0)
{
break; // Replacement is empty, so do nothing
}
buffer.SetString(*con_ctrl_d);
}
else
{
break;
}
// Intentional fall-through for command(s) added with Ctrl-D
case '\r':
// Execute command line (ENTER)
buffer.Text.StripLeftRight();
Printf(127, TEXTCOLOR_WHITE "]%s\n", buffer.Text.GetChars());
if (buffer.Text.Len() == 0)
{
// Command line is empty, so do nothing to the history
}
else if (HistHead && HistHead->String.CompareNoCase(buffer.Text) == 0)
{
// Command line was the same as the previous one,
// so leave the history list alone
}
else
{
// Command line is different from last command line,
// or there is nothing in the history list,
// so add it to the history list.
History *temp = new History;
temp->String = buffer.Text;
temp->Older = HistHead;
if (HistHead)
{
HistHead->Newer = temp;
}
temp->Newer = NULL;
HistHead = temp;
if (!HistTail)
{
HistTail = temp;
}
if (HistSize == MAXHISTSIZE)
{
HistTail = HistTail->Newer;
delete HistTail->Older;
HistTail->Older = NULL;
}
else
{
HistSize++;
}
}
HistPos = NULL;
{
// Work with a copy of command to avoid side effects caused by
// exception raised during execution, like with 'error' CCMD.
// It's problematic to maintain FString's lock symmetry.
static TArray<char> command;
const size_t length = buffer.Text.Len();
command.Resize(unsigned(length + 1));
memcpy(&command[0], buffer.Text.GetChars(), length);
command[length] = '\0';
buffer.SetString("");
AddCommandString(&command[0]);
}
TabbedLast = false;
TabbedList = false;
break;
case '`':
// Check to see if we have ` bound to the console before accepting
// it as a way to close the console.
if (Bindings.GetBinding(KEY_GRAVE).CompareNoCase("toggleconsole"))
{
break;
}
case GK_ESCAPE:
// Close console and clear command line. But if we're in the
// fullscreen console mode, there's nothing to fall back on
// if it's closed, so open the main menu instead.
if (gamestate == GS_STARTUP)
{
return false;
}
else if (gamestate == GS_FULLCONSOLE)
{
C_DoCommand ("menu_main");
}
else
{
buffer.SetString("");
HistPos = NULL;
C_ToggleConsole ();
}
break;
case 'C':
case 'V':
TabbedLast = false;
TabbedList = false;
#ifdef __APPLE__
if (ev->data3 & GKM_META)
#else // !__APPLE__
if (ev->data3 & GKM_CTRL)
#endif // __APPLE__
{
if (data1 == 'C')
{ // copy to clipboard
if (buffer.Text.IsNotEmpty())
{
I_PutInClipboard(buffer.Text);
}
}
else
{ // paste from clipboard
buffer.AddString(I_GetFromClipboard(false));
HistPos = NULL;
}
break;
}
break;
}
break;
#ifdef __unix__
case EV_GUI_MButtonDown:
buffer.AddString(I_GetFromClipboard(true));
HistPos = NULL;
break;
#endif
}
// Ensure that the cursor is always visible while typing
CursorTicker = C_BLINKRATE;
cursoron = 1;
return true;
}
bool C_Responder (event_t *ev)
{
if (ev->type != EV_GUI_Event ||
ConsoleState == c_up ||
ConsoleState == c_rising ||
menuactive != MENU_Off)
{
return false;
}
return C_HandleKey(ev, CmdLine);
}
CCMD (history)
{
struct History *hist = HistTail;
while (hist)
{
Printf (" %s\n", hist->String.GetChars());
hist = hist->Newer;
}
}
CCMD (clear)
{
C_FlushDisplay ();
ClearConsole ();
}
CCMD (echo)
{
int last = argv.argc()-1;
for (int i = 1; i <= last; ++i)
{
FString formatted = strbin1 (argv[i]);
Printf ("%s%s", formatted.GetChars(), i!=last ? " " : "\n");
}
}
/* Printing in the middle of the screen */
CVAR (Float, con_midtime, 3.f, CVAR_ARCHIVE)
static const char bar1[] = TEXTCOLOR_RED "\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\37" TEXTCOLOR_TAN "\n";
static const char bar2[] = TEXTCOLOR_RED "\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\37" TEXTCOLOR_GREEN "\n";
static const char bar3[] = TEXTCOLOR_RED "\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\37" TEXTCOLOR_NORMAL "\n";
static const char logbar[] = "\n<------------------------------->\n";
void C_MidPrint (FFont *font, const char *msg)
{
if (StatusBar == NULL || screen == NULL)
return;
if (msg != NULL)
{
AddToConsole (-1, bar1);
AddToConsole (-1, msg);
AddToConsole (-1, bar3);
StatusBar->AttachMessage (new DHUDMessage (font, msg, 1.5f, 0.375f, 0, 0,
(EColorRange)PrintColors[PRINTLEVELS], con_midtime), MAKE_ID('C','N','T','R'));
}
else
{
StatusBar->DetachMessage (MAKE_ID('C','N','T','R'));
}
}
void C_MidPrintBold (FFont *font, const char *msg)
{
if (msg)
{
AddToConsole (-1, bar2);
AddToConsole (-1, msg);
AddToConsole (-1, bar3);
StatusBar->AttachMessage (new DHUDMessage (font, msg, 1.5f, 0.375f, 0, 0,
(EColorRange)PrintColors[PRINTLEVELS+1], con_midtime), MAKE_ID('C','N','T','R'));
}
else
{
StatusBar->DetachMessage (MAKE_ID('C','N','T','R'));
}
}
DEFINE_ACTION_FUNCTION(_Console, MidPrint)
{
PARAM_PROLOGUE;
PARAM_POINTER_NOT_NULL(fnt, FFont);
PARAM_STRING(text);
PARAM_BOOL_DEF(bold);
const char *txt = text[0] == '$'? GStrings(&text[1]) : text.GetChars();
if (!bold) C_MidPrint(fnt, txt);
else C_MidPrintBold(fnt, txt);
return 0;
}
/****** Tab completion code ******/
struct TabData
{
int UseCount;
FName TabName;
TabData()
: UseCount(0)
{
}
TabData(const char *name)
: UseCount(1), TabName(name)
{
}
TabData(const TabData &other)
: UseCount(other.UseCount), TabName(other.TabName)
{
}
};
static TArray<TabData> TabCommands (TArray<TabData>::NoInit);
static int TabPos; // Last TabCommand tabbed to
static int TabStart; // First char in CmdLine to use for tab completion
static int TabSize; // Size of tab string
static bool FindTabCommand (const char *name, int *stoppos, int len)
{
FName aname(name);
unsigned int i;
int cval = 1;
for (i = 0; i < TabCommands.Size(); i++)
{
if (TabCommands[i].TabName == aname)
{
*stoppos = i;
return true;
}
cval = strnicmp (TabCommands[i].TabName.GetChars(), name, len);
if (cval >= 0)
break;
}
*stoppos = i;
return (cval == 0);
}
void C_AddTabCommand (const char *name)
{
int pos;
if (FindTabCommand (name, &pos, INT_MAX))
{
TabCommands[pos].UseCount++;
}
else
{
TabData tab(name);
TabCommands.Insert (pos, tab);
}
}
void C_RemoveTabCommand (const char *name)
{
if (TabCommands.Size() == 0)
{
// There are no tab commands that can be removed.
// This is important to skip construction of aname
// in case the NameManager has already been destroyed.
return;
}
FName aname(name, true);
if (aname == NAME_None)
{
return;
}
for (unsigned int i = 0; i < TabCommands.Size(); ++i)
{
if (TabCommands[i].TabName == aname)
{
if (--TabCommands[i].UseCount == 0)
{
TabCommands.Delete(i);
}
break;
}
}
}
void C_ClearTabCommands ()
{
TabCommands.Clear();
}
static int FindDiffPoint (FName name1, const char *str2)
{
const char *str1 = name1.GetChars();
int i;
for (i = 0; tolower(str1[i]) == tolower(str2[i]); i++)
if (str1[i] == 0 || str2[i] == 0)
break;
return i;
}
static void C_TabComplete (bool goForward)
{
unsigned i;
int diffpoint;
if (!TabbedLast)
{
bool cancomplete;
// Skip any spaces at beginning of command line
for (i = 0; i < CmdLine.Text.Len(); ++i)
{
if (CmdLine.Text[i] != ' ')
break;
}
if (i == CmdLine.Text.Len())
{ // Line was nothing but spaces
return;
}
TabStart = i;
TabSize = (int)CmdLine.Text.Len() - TabStart;
if (!FindTabCommand(&CmdLine.Text[TabStart], &TabPos, TabSize))
return; // No initial matches
// Show a list of possible completions, if more than one.
if (TabbedList || con_notablist)
{
cancomplete = true;
}
else
{
cancomplete = C_TabCompleteList ();
TabbedList = true;
}
if (goForward)
{ // Position just before the list of completions so that when TabPos
// gets advanced below, it will be at the first one.
--TabPos;
}
else
{ // Find the last matching tab, then go one past it.
while (++TabPos < (int)TabCommands.Size())
{
if (FindDiffPoint(TabCommands[TabPos].TabName, &CmdLine.Text[TabStart]) < TabSize)
{
break;
}
}
}
TabbedLast = true;
if (!cancomplete)
{
return;
}
}
if ((goForward && ++TabPos == (int)TabCommands.Size()) ||
(!goForward && --TabPos < 0))
{
TabbedLast = false;
CmdLine.Text.Truncate(TabSize);
}
else
{
diffpoint = FindDiffPoint(TabCommands[TabPos].TabName, &CmdLine.Text[TabStart]);
if (diffpoint < TabSize)
{
// No more matches
TabbedLast = false;
CmdLine.Text.Truncate(TabSize - TabStart);
}
else
{
CmdLine.Text.Truncate(TabStart);
CmdLine.Text << TabCommands[TabPos].TabName << ' ';
}
}
CmdLine.CursorPos = (unsigned)CmdLine.Text.Len();
CmdLine.MakeStartPosGood();
}
static bool C_TabCompleteList ()
{
int nummatches, i;
size_t maxwidth;
int commonsize = INT_MAX;
nummatches = 0;
maxwidth = 0;
for (i = TabPos; i < (int)TabCommands.Size(); ++i)
{
if (FindDiffPoint (TabCommands[i].TabName, &CmdLine.Text[TabStart]) < TabSize)
{
break;
}
else
{
if (i > TabPos)
{
// This keeps track of the longest common prefix for all the possible
// completions, so we can fill in part of the command for the user if
// the longest common prefix is longer than what the user already typed.
int diffpt = FindDiffPoint (TabCommands[i-1].TabName, TabCommands[i].TabName.GetChars());
if (diffpt < commonsize)
{
commonsize = diffpt;
}
}
nummatches++;
maxwidth = MAX (maxwidth, strlen (TabCommands[i].TabName.GetChars()));
}
}
if (nummatches > 1)
{
size_t x = 0;
maxwidth += 3;
Printf (TEXTCOLOR_BLUE "Completions for %s:\n", CmdLine.Text.GetChars());
for (i = TabPos; nummatches > 0; ++i, --nummatches)
{
// [Dusk] Print console commands blue, CVars green, aliases red.
const char* colorcode = "";
FConsoleCommand* ccmd;
if (FindCVar (TabCommands[i].TabName, NULL))
colorcode = TEXTCOLOR_GREEN;
else if ((ccmd = FConsoleCommand::FindByName (TabCommands[i].TabName)) != NULL)
{
if (ccmd->IsAlias())
colorcode = TEXTCOLOR_RED;
else
colorcode = TEXTCOLOR_LIGHTBLUE;
}
Printf ("%s%-*s", colorcode, int(maxwidth), TabCommands[i].TabName.GetChars());
x += maxwidth;
if (x > ConCols / active_con_scale() - maxwidth)
{
x = 0;
Printf ("\n");
}
}
if (x != 0)
{
Printf ("\n");
}
// Fill in the longest common prefix, if it's longer than what was typed.
if (TabSize != commonsize)
{
TabSize = commonsize;
CmdLine.Text.Truncate(TabStart);
CmdLine.Text.AppendCStrPart(TabCommands[TabPos].TabName.GetChars(), commonsize);
CmdLine.CursorPos = (unsigned)CmdLine.Text.Len();
}
return false;
}
return true;
}
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