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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright(C) 2006 Simon Howard
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
// Code for invoking Doom
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#ifndef _WIN32
#include <sys/wait.h>
#else
#define WEXITSTATUS(stat_val) ((stat_val) & 255)
#define WIFEXITED(stat_val) (((stat_val) & 0xff00) == 0)
#endif
#include "textscreen.h"
#include "configfile.h"
#include "execute.h"
#include "m_argv.h"
#ifdef _WIN32
#define DOOM_BINARY "chocolate-doom.exe"
#else
#define DOOM_BINARY INSTALL_DIR "/chocolate-doom"
#endif
struct execute_context_s
{
char *response_file;
FILE *stream;
};
execute_context_t *NewExecuteContext(void)
{
execute_context_t *result;
result = malloc(sizeof(execute_context_t));
#ifdef _WIN32
result->response_file = "chocolat.rsp";
#else
result->response_file = "/tmp/chocolate.rsp";
#endif
result->stream = fopen(result->response_file, "w");
if (result->stream == NULL)
{
fprintf(stderr, "Error opening response file\n");
exit(-1);
}
return result;
}
void AddConfigParameters(execute_context_t *context)
{
int p;
p = M_CheckParm("-config");
if (p > 0)
{
AddCmdLineParameter(context, "-config \"%s\"", myargv[p + 1]);
}
p = M_CheckParm("-extraconfig");
if (p > 0)
{
AddCmdLineParameter(context, "-extraconfig \"%s\"", myargv[p + 1]);
}
}
void AddCmdLineParameter(execute_context_t *context, char *s, ...)
{
va_list args;
va_start(args, s);
vfprintf(context->stream, s, args);
fprintf(context->stream, "\n");
}
int ExecuteDoom(execute_context_t *context)
{
char *cmdline;
int result;
fclose(context->stream);
// Build the command line
cmdline = malloc(strlen(DOOM_BINARY)
+ strlen(context->response_file) + 20);
sprintf(cmdline, "%s @%s", DOOM_BINARY, context->response_file);
// Run the command
result = system(cmdline);
free(cmdline);
// Destroy context
remove(context->response_file);
free(context);
if (WIFEXITED(result))
{
return WEXITSTATUS(result);
}
else
{
return -1;
}
}
static void TestCallback(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(data))
{
execute_context_t *exec;
char *main_cfg;
char *extra_cfg;
txt_window_t *testwindow;
txt_label_t *label;
testwindow = TXT_NewWindow("Starting Doom");
label = TXT_NewLabel("Starting Doom to test the\n"
"settings. Please wait.");
TXT_SetWidgetAlign(label, TXT_HORIZ_CENTER);
TXT_AddWidget(testwindow, label);
TXT_DrawDesktop();
// Save temporary configuration files with the current configuration
#ifdef _WIN32
main_cfg = "tmp.cfg";
extra_cfg = "extratmp.cfg";
#else
main_cfg = "/tmp/tmp.cfg";
extra_cfg = "/tmp/extratmp.cfg";
#endif
M_SaveMainDefaults(main_cfg);
M_SaveExtraDefaults(extra_cfg);
// Run with the -testcontrols parameter
exec = NewExecuteContext();
AddCmdLineParameter(exec, "-testcontrols");
AddCmdLineParameter(exec, "-config %s", main_cfg);
AddCmdLineParameter(exec, "-extraconfig %s", extra_cfg);
ExecuteDoom(exec);
TXT_CloseWindow(testwindow);
// Delete the temporary config files
remove(main_cfg);
remove(extra_cfg);
}
txt_window_action_t *TestConfigAction(void)
{
txt_window_action_t *test_action;
test_action = TXT_NewWindowAction('t', "Test");
TXT_SignalConnect(test_action, "pressed", TestCallback, NULL);
return test_action;
}
// Invokes Doom to find which IWADs are installed.
// This is a cheap hack to avoid duplication of the complicated install
// path searching code inside Doom.
int FindInstalledIWADs(void)
{
execute_context_t *context;
int result;
context = NewExecuteContext();
AddCmdLineParameter(context, "-findiwads");
result = ExecuteDoom(context);
if (result < 0)
{
return 0;
}
else
{
return result;
}
}
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