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New feature: poll external file for console commands

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The commit adds "-refreshfile" and "-refreshinterval" command-line
arguments. Every refreshinterval tics (or once a second if not
specified) a refreshfile is read and is evaluated if exists and not
empty. Then it is truncated.

This feature provides a facility for an external program to control
the game.
This commit is contained in:
kmeaw 2022-02-02 21:25:08 +03:00
parent 751f859c7a
commit 315e58f67f
1 changed files with 41 additions and 0 deletions
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41
src/common/console/c_console.cpp
View file

@ -65,6 +65,8 @@
#include "g_input.h"
#include "c_commandbuffer.h"
#include "vm.h"
#include "m_argv.h"
#include "doomdef.h"
#define LEFTMARGIN 8
#define RIGHTMARGIN 8
@ -110,6 +112,9 @@ static int TopLine, InsertLine;
static void ClearConsole ();
static FString* RefreshFile;
static int RefreshInterval = 0;
struct GameAtExit
{
GameAtExit(FString str) : Command(str) {}
@ -235,6 +240,8 @@ void C_InitConback(FTextureID fallback, bool tile, double brightness)
void C_InitConsole (int width, int height, bool ingame)
{
int cwidth, cheight;
const char *v;
int i;
vidactive = ingame;
if (CurrentConsoleFont != NULL)
@ -250,6 +257,18 @@ void C_InitConsole (int width, int height, bool ingame)
CmdLine.ConCols = ConWidth / cwidth;
if (conbuffer == NULL) conbuffer = new FConsoleBuffer;
i = Args->CheckParm ("-refreshfile");
if (i > 0 && i < (int)Args->NumArgs() - 1)
{
RefreshFile = Args->GetArgList(i + 1);
RefreshInterval = TICRATE;
v = Args->CheckValue ("-refreshinterval");
if (v != NULL && (atoi(v) != 0))
{
RefreshInterval = atoi(v);
}
}
}
//==========================================================================
@ -534,9 +553,31 @@ void C_NewModeAdjust ()
int consoletic = 0;
void C_Ticker()
{
FileReader fr;
static int lasttic = 0;
long filesize = 1;
consoletic++;
if (RefreshInterval > 0 && (consoletic % RefreshInterval) == 0)
{
if (fr.OpenFile (RefreshFile->GetChars()))
{
auto length = fr.GetLength();
fr.Close();
if (length > 0)
{
C_ExecFile (RefreshFile->GetChars());
// Truncate the file
FileWriter fw;
if (fw.Open (RefreshFile->GetChars())) {
fw.Close ();
}
}
}
}
if (lasttic == 0)
lasttic = consoletic - 1;