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raze-gles/source/core/console/c_console.cpp
Christoph Oelckers 7859a29e95 - use global variables to track automap state 
So far implemented in Duke/RR.
2020-08-24 19:31:43 +02:00

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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 <string>
#include "templates.h"
#include "version.h"
#include "c_bind.h"
#include "c_console.h"
#include "c_cvars.h"
#include "c_dispatch.h"
#include "gamestate.h"
#include "v_text.h"
#include "filesystem.h"
#include "d_gui.h"
#include "cmdlib.h"
#include "d_event.h"
#include "c_consolebuffer.h"
#include "utf8.h"
#include "v_2ddrawer.h"
#include "v_draw.h"
#include "v_font.h"
#include "printf.h"
#include "inputstate.h"
#include "i_time.h"
#include "gamecvars.h"
#include "i_system.h"
#include "s_soundinternal.h"
#include "engineerrors.h"
#include "gamecontrol.h"
#include "v_video.h"
#include "v_draw.h"
#include "g_input.h"
#include "timer.h"
#include "menu.h"
#include "raze_music.h"
#define LEFTMARGIN 8
#define RIGHTMARGIN 8
#define BOTTOMARGIN 12
extern bool hud_toggled;
void D_ToggleHud();
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 FGameTexture *conback;
static uint32_t conshade;
static bool conline;
extern int gametic;
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;
uint64_t CursorTicker;
constate_e ConsoleState = c_up;
int NotifyFontScale = 1;
void C_SetNotifyFontScale(int scale)
{
NotifyFontScale = scale;
}
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
// 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)
CVAR(Bool, con_notify_advanced, false, CVAR_ARCHIVE)
CUSTOM_CVAR(Int, con_scaletext, 2, CVAR_ARCHIVE|CVAR_GLOBALCONFIG) // Scale notify text at high resolutions?
{
if (self < 0) self = 0;
}
CVAR(Bool, con_pulsetext, false, CVAR_ARCHIVE)
CUSTOM_CVAR(Int, con_scale, 0, CVAR_ARCHIVE)
{
if (self < 0) self = 0;
}
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)
CVAR(Int, developer, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
EXTERN_CVAR(Int, uiscale);
CVAR(Bool, generic_ui, false, CVAR_ARCHIVE)
struct History
{
struct History *Older;
struct History *Newer;
FString String;
};
struct FCommandBuffer
{
private:
std::u32string Text;
unsigned CursorPos = 0;
unsigned StartPos = 0; // First character to display
unsigned CursorPosCells = 0;
unsigned StartPosCells = 0;
std::u32string YankBuffer; // Deleted text buffer
public:
bool AppendToYankBuffer = false; // Append consecutive deletes to buffer
FCommandBuffer() = default;
FCommandBuffer(const FCommandBuffer &o)
{
Text = o.Text;
CursorPos = o.CursorPos;
StartPos = o.StartPos;
}
FString GetText() const
{
FString build;
for (auto chr : Text) build.AppendCharacter(chr);
return build;
}
size_t TextLength() const
{
return Text.length();
}
void Draw(int x, int y, int scale, bool cursor)
{
if (scale == 1)
{
DrawChar(twod, CurrentConsoleFont, CR_ORANGE, x, y, '\x1c', TAG_DONE);
DrawText(twod, CurrentConsoleFont, CR_ORANGE, x + CurrentConsoleFont->GetCharWidth(0x1c), y,
&Text[StartPos], TAG_DONE);
if (cursor)
{
DrawChar(twod, CurrentConsoleFont, CR_YELLOW,
x + CurrentConsoleFont->GetCharWidth(0x1c) + (CursorPosCells - StartPosCells) * CurrentConsoleFont->GetCharWidth(0xb),
y, '\xb', TAG_DONE);
}
}
else
{
DrawChar(twod, CurrentConsoleFont, CR_ORANGE, x, y, '\x1c',
DTA_VirtualWidth, twod->GetWidth() / scale,
DTA_VirtualHeight, twod->GetHeight() / scale,
DTA_KeepRatio, true, TAG_DONE);
DrawText(twod, CurrentConsoleFont, CR_ORANGE, x + CurrentConsoleFont->GetCharWidth(0x1c), y,
&Text[StartPos],
DTA_VirtualWidth, twod->GetWidth() / scale,
DTA_VirtualHeight, twod->GetHeight() / scale,
DTA_KeepRatio, true, TAG_DONE);
if (cursor)
{
DrawChar(twod, CurrentConsoleFont, CR_YELLOW,
x + CurrentConsoleFont->GetCharWidth(0x1c) + (CursorPosCells - StartPosCells) * CurrentConsoleFont->GetCharWidth(0xb),
y, '\xb',
DTA_VirtualWidth, twod->GetWidth() / scale,
DTA_VirtualHeight, twod->GetHeight() / scale,
DTA_KeepRatio, true, TAG_DONE);
}
}
}
unsigned CalcCellSize(unsigned length)
{
unsigned cellcount = 0;
for (unsigned i = 0; i < length; i++)
{
int w;
NewConsoleFont->GetChar(Text[i], CR_UNTRANSLATED, &w);
cellcount += w / 9;
}
return cellcount;
}
unsigned CharsForCells(unsigned cellin, bool *overflow)
{
unsigned chars = 0;
int cells = cellin;
while (cells > 0)
{
int w;
NewConsoleFont->GetChar(Text[chars++], CR_UNTRANSLATED, &w);
cells -= w / 9;
}
*overflow = (cells < 0);
return chars;
}
void MakeStartPosGood()
{
// Make sure both values point to something valid.
if (CursorPos > Text.length()) CursorPos = (unsigned)Text.length();
if (StartPos > Text.length()) StartPos = (unsigned)Text.length();
CursorPosCells = CalcCellSize(CursorPos);
StartPosCells = CalcCellSize(StartPos);
unsigned LengthCells = CalcCellSize((unsigned)Text.length());
int n = StartPosCells;
unsigned cols = ConCols / active_con_scale(twod);
if (StartPosCells >= LengthCells)
{ // Start of visible line is beyond end of line
n = CursorPosCells - cols + 2;
}
if ((CursorPosCells - StartPosCells) >= cols - 2)
{ // The cursor is beyond the visible part of the line
n = CursorPosCells - cols + 2;
}
if (StartPosCells > CursorPosCells)
{ // The cursor is in front of the visible part of the line
n = CursorPosCells;
}
StartPosCells = std::max(0, n);
bool overflow;
StartPos = CharsForCells(StartPosCells, &overflow);
if (overflow)
{
// We ended up in the middle of a double cell character, so set the start to the following character.
StartPosCells++;
StartPos = CharsForCells(StartPosCells, &overflow);
}
}
void CursorStart()
{
CursorPos = 0;
StartPos = 0;
CursorPosCells = 0;
StartPosCells = 0;
}
void CursorEnd()
{
CursorPos = (unsigned)Text.length();
MakeStartPosGood();
}
private:
void MoveCursorLeft()
{
CursorPos--;
}
void MoveCursorRight()
{
CursorPos++;
}
public:
void CursorLeft()
{
if (CursorPos > 0)
{
MoveCursorLeft();
MakeStartPosGood();
}
}
void CursorRight()
{
if (CursorPos < Text.length())
{
MoveCursorRight();
MakeStartPosGood();
}
}
void CursorWordLeft()
{
if (CursorPos > 0)
{
do MoveCursorLeft();
while (CursorPos > 0 && Text[CursorPos - 1] != ' ');
MakeStartPosGood();
}
}
void CursorWordRight()
{
if (CursorPos < Text.length())
{
do MoveCursorRight();
while (CursorPos < Text.length() && Text[CursorPos] != ' ');
MakeStartPosGood();
}
}
void DeleteLeft()
{
if (CursorPos > 0)
{
MoveCursorLeft();
Text.erase(CursorPos, 1);
MakeStartPosGood();
}
}
void DeleteRight()
{
if (CursorPos < Text.length())
{
Text.erase(CursorPos, 1);
MakeStartPosGood();
}
}
void DeleteWordLeft()
{
if (CursorPos > 0)
{
auto now = CursorPos;
CursorWordLeft();
if (AppendToYankBuffer) {
YankBuffer = Text.substr(CursorPos, now - CursorPos) + YankBuffer;
} else {
YankBuffer = Text.substr(CursorPos, now - CursorPos);
}
Text.erase(CursorPos, now - CursorPos);
MakeStartPosGood();
}
}
void DeleteLineLeft()
{
if (CursorPos > 0)
{
if (AppendToYankBuffer) {
YankBuffer = Text.substr(0, CursorPos) + YankBuffer;
} else {
YankBuffer = Text.substr(0, CursorPos);
}
Text.erase(0, CursorPos);
CursorStart();
}
}
void DeleteLineRight()
{
if (CursorPos < Text.length())
{
if (AppendToYankBuffer) {
YankBuffer += Text.substr(CursorPos, Text.length() - CursorPos);
} else {
YankBuffer = Text.substr(CursorPos, Text.length() - CursorPos);
}
Text.resize(CursorPos);
CursorEnd();
}
}
void AddChar(int character)
{
if (Text.length() == 0)
{
Text += character;
}
else
{
Text.insert(CursorPos, 1, character);
}
CursorPos++;
MakeStartPosGood();
}
void AddString(FString clip)
{
if (clip.IsNotEmpty())
{
// Only paste the first line.
long brk = clip.IndexOfAny("\r\n\b");
std::u32string build;
if (brk >= 0)
{
clip.Truncate(brk);
}
auto strp = (const uint8_t*)clip.GetChars();
while (auto chr = GetCharFromString(strp)) build += chr;
if (Text.length() == 0)
{
Text = build;
}
else
{
Text.insert(CursorPos, build);
}
CursorPos += (unsigned)build.length();
MakeStartPosGood();
}
}
void SetString(const FString &str)
{
Text.clear();
auto strp = (const uint8_t*)str.GetChars();
while (auto chr = GetCharFromString(strp)) Text += chr;
CursorEnd();
MakeStartPosGood();
}
void AddYankBuffer()
{
if (YankBuffer.length() > 0)
{
if (Text.length() == 0)
{
Text = YankBuffer;
}
else
{
Text.insert(CursorPos, YankBuffer);
}
CursorPos += (unsigned)YankBuffer.length();
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 Ticker;
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();
void DrawNative();
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_UNTRANSLATED, CR_GOLD, CR_GRAY, CR_GREEN, CR_GREEN, CR_UNTRANSLATED };
static void setmsgcolor (int index, int color);
FILE *Logfile = NULL;
FIntCVar msglevel ("msg", 0, CVAR_ARCHIVE);
CUSTOM_CVAR (Int, msg0color, CR_UNTRANSLATED, CVAR_ARCHIVE)
{
setmsgcolor (0, self);
}
CUSTOM_CVAR (Int, msg1color, CR_GOLD, CVAR_ARCHIVE)
{
setmsgcolor (1, self);
}
CUSTOM_CVAR (Int, msg2color, CR_GRAY, CVAR_ARCHIVE)
{
setmsgcolor (2, self);
}
CUSTOM_CVAR (Int, msg3color, CR_GREEN, CVAR_ARCHIVE)
{
setmsgcolor (3, self);
}
CUSTOM_CVAR (Int, msg4color, CR_GREEN, CVAR_ARCHIVE)
{
setmsgcolor (4, self);
}
CUSTOM_CVAR (Int, msgmidcolor, CR_UNTRANSLATED, CVAR_ARCHIVE)
{
setmsgcolor (PRINTLEVELS, self);
}
CUSTOM_CVAR (Int, msgmidcolor2, CR_BROWN, CVAR_ARCHIVE)
{
setmsgcolor (PRINTLEVELS+1, self);
}
void C_InitConback()
{
#if 0
conback = TexMan.CheckForTexture ("CONBACK", ETextureType::MiscPatch);
if (!conback.isValid())
{
conback = TexMan.GetTextureID (gameinfo.TitlePage, ETextureType::MiscPatch);
conshade = MAKEARGB(175,0,0,0);
conline = true;
}
else
{
conshade = 0;
conline = false;
}
#else
conshade = MAKEARGB(175, 0, 0, 0);
conline = true;
#endif
}
void C_InitConsole (int width, int height, bool ingame)
{
int cwidth, cheight;
vidactive = ingame;
if (CurrentConsoleFont != NULL)
{
cwidth = CurrentConsoleFont->GetCharWidth ('M');
cheight = CurrentConsoleFont->GetHeight();
}
else
{
cwidth = cheight = 8;
}
ConWidth = (width - LEFTMARGIN - RIGHTMARGIN);
ConCols = ConWidth / cwidth;
if (conbuffer == NULL) conbuffer = new FConsoleBuffer;
timerSetCallback(C_Ticker);
}
//==========================================================================
//
// CCMD atexit
//
//==========================================================================
UNSAFE_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);
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 ();
C_ClearDynCCmds();
// 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;
}
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)
{
TArray<FBrokenLines> lines;
int width;
if (hud_messages == 0 ||
source.IsEmpty() ||
gamestate == GS_FULLCONSOLE ||
gamestate == GS_MENUSCREEN ||
con_notifylines == 0)
return;
width = screen->GetWidth() / active_con_scaletext(twod, generic_ui);
FFont* font = generic_ui ? NewSmallFont : SmallFont ? SmallFont : AlternativeSmallFont;
if (font == nullptr) return; // Without an initialized font we cannot handle the message (this is for those which come here before the font system is ready.)
if (AddType == APPENDLINE && Text.Size() > 0 && Text[Text.Size() - 1].PrintLevel == printlevel)
{
FString str = Text[Text.Size() - 1].Text + source;
lines = V_BreakLines (font, width * NotifyFontScale, str);
}
else
{
lines = V_BreakLines (font, width * NotifyFontScale, source);
if (AddType == APPENDLINE)
{
AddType = NEWLINE;
}
}
if (lines.Size() == 0)
return;
for (auto &line : lines)
{
FNotifyText newline;
newline.Text = line.Text;
newline.TimeOut = int(con_notifytime * GameTicRate);
newline.Ticker = 0;
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;
}
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, MakeUTF8(text));
}
//==========================================================================
//
//
//
//==========================================================================
void WriteLineToLog(FILE *LogFile, const char *outline)
{
// Strip out any color escape sequences before writing to the log file
TArray<char> copy(strlen(outline) + 1);
const char * srcp = outline;
char * dstp = copy.Data();
while (*srcp != 0)
{
if (*srcp != TEXTCOLOR_ESCAPE)
{
*dstp++ = *srcp++;
}
else if (srcp[1] == '[')
{
srcp += 2;
while (*srcp != ']' && *srcp != 0) srcp++;
if (*srcp == ']') srcp++;
}
else
{
if (srcp[1] != 0) srcp += 2;
else break;
}
}
*dstp = 0;
fputs(copy.Data(), LogFile);
fflush(LogFile);
}
extern bool gameisdead;
int PrintString (int iprintlevel, const char *outline)
{
if (gameisdead)
return 0;
if (!conbuffer) return 0; // when called too early
int printlevel = iprintlevel & PRINT_TYPES;
if (printlevel < msglevel || *outline == '\0')
{
return 0;
}
if (printlevel != PRINT_LOG || Logfile != nullptr)
{
// Convert everything coming through here to UTF-8 so that all console text is in a consistent format
int count;
outline = MakeUTF8(outline, &count);
if (printlevel != PRINT_LOG)
{
I_PrintStr(outline);
conbuffer->AddText(printlevel, outline);
if (!(iprintlevel & PRINT_NONOTIFY))
{
if (vidactive && ((iprintlevel & PRINT_NOTIFY) || con_notify_advanced))
{
NotifyStrings.AddString(printlevel, outline);
}
}
}
if (Logfile != nullptr && !(iprintlevel & PRINT_NOLOG))
{
WriteLineToLog(Logfile, outline);
}
return count;
}
return 0; // Don't waste time on calculating this if nothing at all was printed...
}
int VPrintf (int printlevel, const char *format, va_list parms)
{
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 = twod->GetHeight();
else if (ConBottom > twod->GetHeight() / 2 || ConsoleState == c_down)
ConBottom = twod->GetHeight() / 2;
}
void C_NewModeAdjust ()
{
C_InitConsole (screen->GetWidth(), screen->GetHeight(), true);
C_FlushDisplay ();
C_AdjustBottom ();
}
int consoletic = 0;
void C_Ticker()
{
// The engine timer ticks at 120 fps which is 4x too fast for this.
static int delay = 0;
if (++delay < 4) return;
delay = 0;
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) * (twod->GetHeight() * 2 / 25);
if (ConBottom >= twod->GetHeight() / 2)
{
ConBottom = twod->GetHeight() / 2;
ConsoleState = c_down;
}
}
else if (ConsoleState == c_rising)
{
ConBottom -= (consoletic - lasttic) * (twod->GetHeight() * 2 / 25);
if (ConBottom <= 0)
{
ConsoleState = c_up;
ConBottom = 0;
}
}
}
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)
{
Text[i].Ticker++;
}
for (i = 0; i < Text.Size(); ++i)
{
if (Text[i].TimeOut != 0 && Text[i].TimeOut > Text[i].Ticker)
break;
}
if (i > 0)
{
Text.Delete(0, i);
FFont* font = generic_ui ? NewSmallFont : SmallFont ? SmallFont : AlternativeSmallFont;
Top += font->GetHeight() / NotifyFontScale;
}
}
void FNotifyBuffer::DrawNative()
{
// Native display is:
// * centered at the top and pulsing for Duke
// * centered shifted down and not pulsing for Shadow Warrior
// * top left for Exhumed
// * 4 lines with the tiny font for Blood. (same mechanic as the regular one, just a different font and scale.)
bool center = g_gameType & (GAMEFLAG_DUKE | GAMEFLAG_NAM | GAMEFLAG_WW2GI | GAMEFLAG_RR | GAMEFLAG_SW);
bool pulse = g_gameType & (GAMEFLAG_DUKE | GAMEFLAG_NAM | GAMEFLAG_WW2GI | GAMEFLAG_RR);
unsigned topline = g_gameType & GAMEFLAG_BLOOD ? 0 : Text.Size() - 1;
FFont* font = g_gameType & GAMEFLAG_BLOOD ? SmallFont2 : SmallFont;
int line = (g_gameType & GAMEFLAG_BLOOD)? Top : (g_gameType & GAMEFLAG_SW) ? 40 : font->GetDisplacement();
bool canskip = (g_gameType & GAMEFLAG_BLOOD);
int lineadv = font->GetHeight();
for (unsigned i = topline; i < Text.Size(); ++i)
{
FNotifyText& notify = Text[i];
if (notify.TimeOut == 0)
continue;
int j = notify.TimeOut - notify.Ticker;
if (j > 0)
{
double alpha = g_gameType & GAMEFLAG_BLOOD? ((j < NOTIFYFADETIME) ? 1. * j / NOTIFYFADETIME : 1) : 1;
if (pulse)
{
alpha *= 0.7 + 0.3 * sin(I_msTime() / 100.);
}
if (!center)
{
DrawText(twod, font, CR_UNTRANSLATED, 0, line, notify.Text,
DTA_FullscreenScale, FSMode_ScaleToHeight,
DTA_VirtualWidth, 320, DTA_VirtualHeight, 200, DTA_KeepRatio, true,
DTA_Alpha, alpha, TAG_DONE);
}
else
{
int fac = isRR() ? 2 : 1;
DrawText(twod, font, CR_UNTRANSLATED, 160 * fac - font->StringWidth(notify.Text) / 2, line, notify.Text,
DTA_FullscreenScale, FSMode_ScaleToHeight,
DTA_VirtualWidth, 320 * fac, DTA_VirtualHeight, 200 * fac,
DTA_Alpha, alpha, TAG_DONE);
}
line += lineadv;
canskip = false;
}
else
{
notify.TimeOut = 0;
}
}
if (canskip)
{
Top = TopGoal;
}
}
void FNotifyBuffer::Draw()
{
if (gamestate == GS_FULLCONSOLE || gamestate == GS_MENUSCREEN)
return;
if (!con_notify_advanced)
{
DrawNative();
return;
}
bool center = (con_centernotify != 0.f);
int color;
FFont* font = generic_ui ? NewSmallFont : SmallFont? SmallFont : AlternativeSmallFont;
int line = Top + font->GetDisplacement() / NotifyFontScale;
bool canskip = true;
int lineadv = font->GetHeight () / NotifyFontScale;
for (unsigned i = 0; i < Text.Size(); ++ i)
{
FNotifyText &notify = Text[i];
if (notify.TimeOut == 0)
continue;
int j = notify.TimeOut - notify.Ticker;
if (j > 0)
{
double alpha = (j < NOTIFYFADETIME) ? 1. * j / NOTIFYFADETIME : 1;
if (con_pulsetext)
{
alpha *= 0.7 + 0.3 * sin(I_msTime() / 100.);
}
if (notify.PrintLevel >= PRINTLEVELS)
color = CR_UNTRANSLATED;
else
color = PrintColors[notify.PrintLevel];
int scale = active_con_scaletext(twod, generic_ui);
if (!center)
DrawText(twod, font, color, 0, line * NotifyFontScale, notify.Text,
DTA_VirtualWidth, twod->GetWidth() / scale * NotifyFontScale,
DTA_VirtualHeight, twod->GetHeight() / scale * NotifyFontScale,
DTA_KeepRatio, true,
DTA_Alpha, alpha, TAG_DONE);
else
DrawText(twod, font, color, (twod->GetWidth() * NotifyFontScale -
font->StringWidth (notify.Text) * scale) / 2 / scale,
line, notify.Text,
DTA_VirtualWidth, twod->GetWidth() / scale * NotifyFontScale,
DTA_VirtualHeight, twod->GetHeight() / scale * NotifyFontScale,
DTA_KeepRatio, true,
DTA_Alpha, alpha, TAG_DONE);
line += lineadv;
canskip = false;
}
else
{
notify.TimeOut = 0;
}
}
if (canskip)
{
Top = TopGoal;
}
}
void C_DrawConsole ()
{
static int oldbottom = 0;
int lines, left, offset;
int textScale = active_con_scale(twod);
left = LEFTMARGIN;
lines = (ConBottom/textScale-CurrentConsoleFont->GetHeight()*2)/CurrentConsoleFont->GetHeight();
if (-CurrentConsoleFont->GetHeight() + lines*CurrentConsoleFont->GetHeight() > ConBottom/textScale - CurrentConsoleFont->GetHeight()*7/2)
{
offset = -CurrentConsoleFont->GetHeight()/2;
lines--;
}
else
{
offset = -CurrentConsoleFont->GetHeight();
}
oldbottom = ConBottom;
if (ConsoleState == c_up)
{
NotifyStrings.Draw();
return;
}
else if (ConBottom)
{
int visheight;
visheight = ConBottom;
if (conback)
{
DrawTexture (twod, conback, 0, visheight - screen->GetHeight(),
DTA_DestWidth, screen->GetWidth(),
DTA_DestHeight, screen->GetHeight(),
DTA_ColorOverlay, conshade,
DTA_Alpha, (/*gamestate != GS_FULLCONSOLE*/true) ? (double)con_alpha : 1.,
DTA_Masked, false,
TAG_DONE);
}
else
{
PalEntry pe((uint8_t)(con_alpha * 255), 0, 0, 0);
twod->AddColorOnlyQuad(0, 0, screen->GetWidth(), visheight, pe);
}
if (conline && visheight < screen->GetHeight())
{
twod->AddColorOnlyQuad(0, visheight, screen->GetWidth(), visheight+1, 0xff000000);
}
if (ConBottom >= 12)
{
if (textScale == 1)
DrawText(twod, CurrentConsoleFont, CR_ORANGE, twod->GetWidth() - 8 -
CurrentConsoleFont->StringWidth (GetVersionString()),
ConBottom / textScale - CurrentConsoleFont->GetHeight() - 4,
GetVersionString(), TAG_DONE);
else
DrawText(twod, CurrentConsoleFont, CR_ORANGE, twod->GetWidth() / textScale - 8 -
CurrentConsoleFont->StringWidth(GetVersionString()),
ConBottom / textScale - CurrentConsoleFont->GetHeight() - 4,
GetVersionString(),
DTA_VirtualWidth, twod->GetWidth() / textScale,
DTA_VirtualHeight, twod->GetHeight() / textScale,
DTA_KeepRatio, true, TAG_DONE);
}
}
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(CurrentConsoleFont, ConWidth / textScale);
unsigned int consolelines = conbuffer->GetFormattedLineCount();
FBrokenLines *blines = conbuffer->GetLines();
FBrokenLines *printline = blines + consolelines - 1 - RowAdjust;
int bottomline = ConBottom / textScale - CurrentConsoleFont->GetHeight()*2 - 4;
for(FBrokenLines *p = printline; p >= blines && lines > 0; p--, lines--)
{
if (textScale == 1)
{
DrawText(twod, CurrentConsoleFont, CR_TAN, LEFTMARGIN, offset + lines * CurrentConsoleFont->GetHeight(), p->Text, TAG_DONE);
}
else
{
DrawText(twod, CurrentConsoleFont, CR_TAN, LEFTMARGIN, offset + lines * CurrentConsoleFont->GetHeight(), p->Text,
DTA_VirtualWidth, twod->GetWidth() / textScale,
DTA_VirtualHeight, twod->GetHeight() / textScale,
DTA_KeepRatio, true, TAG_DONE);
}
}
if (ConBottom >= 20)
{
if (gamestate != GS_STARTUP)
{
auto now = I_msTime();
if (now > CursorTicker)
{
CursorTicker = now + 500;
cursoron = !cursoron;
}
CmdLine.Draw(left, bottomline, textScale, cursoron);
}
if (RowAdjust && ConBottom >= CurrentConsoleFont->GetHeight()*7/2)
{
// Indicate that the view has been scrolled up (10)
// and if we can scroll no further (12)
if (textScale == 1)
DrawChar(twod, CurrentConsoleFont, CR_GREEN, 0, bottomline, RowAdjust == conbuffer->GetFormattedLineCount() ? 12 : 10, TAG_DONE);
else
DrawChar(twod, CurrentConsoleFont, CR_GREEN, 0, bottomline, RowAdjust == conbuffer->GetFormattedLineCount() ? 12 : 10,
DTA_VirtualWidth, twod->GetWidth() / textScale,
DTA_VirtualHeight, twod->GetHeight() / textScale,
DTA_KeepRatio, true, TAG_DONE);
}
}
}
}
void C_FullConsole ()
{
/*
if (hud_toggled)
D_ToggleHud();
if (demoplayback)
G_CheckDemoStatus ();
D_QuitNetGame ();
advancedemo = false;
*/
ConsoleState = c_down;
HistPos = NULL;
TabbedLast = false;
TabbedList = false;
if (gamestate != GS_STARTUP)
{
gamestate = GS_FULLCONSOLE;
Mus_Stop();
}
C_AdjustBottom ();
}
void C_ToggleConsole ()
{
if (gamestate == GS_INTRO) // blocked
{
return;
}
if (gamestate == GS_MENUSCREEN)
{
gamestate = GS_FULLCONSOLE;
C_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;
}
}
static bool C_HandleKey (event_t *ev, FCommandBuffer &buffer)
{
int data1 = ev->data1;
bool keepappending = false;
switch (ev->subtype)
{
default:
return false;
case EV_GUI_Char:
if (ev->data2)
{
// Bash-style shortcuts
if (data1 == 'b')
{
buffer.CursorWordLeft();
break;
}
else if (data1 == 'f')
{
buffer.CursorWordRight();
break;
}
}
// Add keypress to command line
buffer.AddChar(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 += (screen->GetHeight()-4)/active_con_scale(twod) /
((gamestate == GS_FULLCONSOLE || gamestate == GS_STARTUP) ? CurrentConsoleFont->GetHeight() : CurrentConsoleFont->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 = (screen->GetHeight()-4)/active_con_scale(twod) /
((gamestate == GS_FULLCONSOLE || gamestate == GS_STARTUP) ? CurrentConsoleFont->GetHeight() : CurrentConsoleFont->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 = std::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.TextLength() == 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)
FString bufferText = buffer.GetText();
bufferText.StripLeftRight();
Printf(127, TEXTCOLOR_WHITE "]%s\n", bufferText.GetChars());
if (bufferText.Len() == 0)
{
// Command line is empty, so do nothing to the history
}
else if (HistHead && HistHead->String.CompareNoCase(bufferText) == 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 = bufferText;
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;
buffer.SetString("");
AddCommandString(bufferText);
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)
{
gamestate = GS_MENUSCREEN;
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.TextLength() > 0)
{
I_PutInClipboard(buffer.GetText());
}
}
else
{ // paste from clipboard
buffer.AddString(I_GetFromClipboard(false));
HistPos = NULL;
}
break;
}
break;
// Bash-style shortcuts
case 'A':
if (ev->data3 & GKM_CTRL)
{
buffer.CursorStart();
}
break;
case 'E':
if (ev->data3 & GKM_CTRL)
{
buffer.CursorEnd();
}
break;
case 'W':
if (ev->data3 & GKM_CTRL)
{
buffer.DeleteWordLeft();
keepappending = true;
TabbedLast = false;
TabbedList = false;
}
break;
case 'U':
if (ev->data3 & GKM_CTRL)
{
buffer.DeleteLineLeft();
keepappending = true;
TabbedLast = false;
TabbedList = false;
}
break;
case 'K':
if (ev->data3 & GKM_CTRL)
{
buffer.DeleteLineRight();
keepappending = true;
TabbedLast = false;
TabbedList = false;
}
break;
case 'Y':
if (ev->data3 & GKM_CTRL)
{
buffer.AddYankBuffer();
TabbedLast = false;
TabbedList = false;
HistPos = NULL;
}
break;
}
break;
#ifdef __unix__
case EV_GUI_MButtonDown:
buffer.AddString(I_GetFromClipboard(true));
HistPos = NULL;
break;
#endif
}
buffer.AppendToYankBuffer = keepappending;
// Ensure that the cursor is always visible while typing
CursorTicker = I_msTime() + 500;
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");
}
}
CCMD(toggleconsole)
{
C_ToggleConsole();
}
/* Printing in the middle of the screen */
CVAR(Float, con_midtime, 3.f, CVAR_ARCHIVE)
const char *console_bar = "----------------------------------------";
void C_MidPrint (FFont *font, const char *msg, bool bold)
{
#if 0 // The Build engine cannot do this at the moment. Q: Implement and redirect some messages here?
if (StatusBar == nullptr || screen == nullptr)
return;
// [MK] allow the status bar to take over MidPrint
IFVIRTUALPTR(StatusBar, DBaseStatusBar, ProcessMidPrint)
{
FString msgstr = msg;
VMValue params[] = { (DObject*)StatusBar, font, &msgstr, bold };
int rv;
VMReturn ret(&rv);
VMCall(func, params, countof(params), &ret, 1);
if (!!rv) return;
}
if (msg != nullptr)
{
auto color = (EColorRange)PrintColors[bold? PRINTLEVELS+1 : PRINTLEVELS];
Printf(PRINT_HIGH, TEXTCOLOR_ESCAPESTR "%c%s\n%s\n%s\n", color, console_bar, msg, console_bar);
StatusBar->AttachMessage (Create<DHUDMessage>(font, msg, 1.5f, 0.375f, 0, 0, color, con_midtime), MAKE_ID('C','N','T','R'));
}
else
{
StatusBar->DetachMessage (MAKE_ID('C','N','T','R'));
}
#endif
}
/****** Tab completion code ******/
struct TabData
{
int UseCount;
FName TabName;
TabData()
: UseCount(0), TabName(NAME_None)
{
}
TabData(const char *name)
: UseCount(1), TabName(name)
{
}
TabData(const TabData &other) = default;
};
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;
auto CmdLineText = CmdLine.GetText();
if (!TabbedLast)
{
bool cancomplete;
// Skip any spaces at beginning of command line
for (i = 0; i < CmdLineText.Len(); ++i)
{
if (CmdLineText[i] != ' ')
break;
}
if (i == CmdLineText.Len())
{ // Line was nothing but spaces
return;
}
TabStart = i;
TabSize = (int)CmdLineText.Len() - TabStart;
if (!FindTabCommand(&CmdLineText[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, &CmdLineText[TabStart]) < TabSize)
{
break;
}
}
}
TabbedLast = true;
if (!cancomplete)
{
return;
}
}
if ((goForward && ++TabPos == (int)TabCommands.Size()) ||
(!goForward && --TabPos < 0))
{
TabbedLast = false;
CmdLineText.Truncate(TabSize);
}
else
{
diffpoint = FindDiffPoint(TabCommands[TabPos].TabName, &CmdLineText[TabStart]);
if (diffpoint < TabSize)
{
// No more matches
TabbedLast = false;
CmdLineText.Truncate(TabSize - TabStart);
}
else
{
CmdLineText.Truncate(TabStart);
CmdLineText << TabCommands[TabPos].TabName.GetChars() << ' ';
}
}
CmdLine.SetString(CmdLineText);
CmdLine.MakeStartPosGood();
}
static bool C_TabCompleteList ()
{
int nummatches, i;
size_t maxwidth;
int commonsize = INT_MAX;
nummatches = 0;
maxwidth = 0;
auto CmdLineText = CmdLine.GetText();
for (i = TabPos; i < (int)TabCommands.Size(); ++i)
{
if (FindDiffPoint (TabCommands[i].TabName, &CmdLineText[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 = std::max (maxwidth, strlen (TabCommands[i].TabName.GetChars()));
}
}
if (nummatches > 1)
{
size_t x = 0;
maxwidth += 3;
Printf (TEXTCOLOR_BLUE "Completions for %s:\n", CmdLineText.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.GetChars(), NULL))
colorcode = TEXTCOLOR_GREEN;
else if ((ccmd = FConsoleCommand::FindByName (TabCommands[i].TabName.GetChars())) != 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(twod) - 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;
CmdLineText.Truncate(TabStart);
CmdLineText.AppendCStrPart(TabCommands[TabPos].TabName.GetChars(), commonsize);
CmdLine.SetString(CmdLineText);
}
return false;
}
return true;
}
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