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+// Filename: mayapath.cxx
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+// Created by: drose (07Apr08)
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+//
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+////////////////////////////////////////////////////////////////////
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+//
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+// PANDA 3D SOFTWARE
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+// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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+//
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+// All use of this software is subject to the terms of the Panda 3d
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+// Software license. You should have received a copy of this license
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+// along with this source code; you will also find a current copy of
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+// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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+//
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+// To contact the maintainers of this program write to
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+// [email protected] .
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+//
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+////////////////////////////////////////////////////////////////////
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+
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+// This program works as a stub to launch maya2egg, egg2maya, and
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+// similar programs that invoke OpenMaya and require certain
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+// environment variables to be set first.
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+
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+#include "dtoolbase.h"
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+#include "filename.h"
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+#include <stdlib.h>
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+
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+#if defined(_WIN32)
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+#define WIN32_LEAN_AND_MEAN
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+#include <windows.h>
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+#endif
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+
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+int
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+main(int argc, char *argv[]) {
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+ // First, get the command line and append _bin, so we will actually
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+ // run maya2egg_bin.exe, egg2maya_bin.exe, etc.
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+ Filename command = Filename::from_os_specific(argv[0]);
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+
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+#ifdef _WIN32
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+ if (command.get_extension() == "exe") {
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+ command.set_extension("");
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+ }
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+#endif
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+
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+ command = command.get_fullpath() + string("_bin");
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+#ifdef _WIN32
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+ command.set_extension("exe");
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+#endif
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+ string os_command = command.to_os_specific();
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+
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+
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+ // Now look up $MAYA_LOCATION. We insist that it be set and
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+ // pointing to an actual Maya installation.
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+ Filename maya_location = Filename::expand_from("$MAYA_LOCATION");
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+ if (maya_location.empty()) {
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+ cerr << "$MAYA_LOCATION is not set!\n";
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+ exit(1);
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+ }
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+ if (!maya_location.is_directory()) {
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+ cerr << "The directory referred to by $MAYA_LOCATION does not exist!\n";
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+ exit(1);
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+ }
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+
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+ // Look for OpenMaya.dll as a sanity check.
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+ Filename openMaya = Filename::dso_filename(Filename(maya_location, "bin/OpenMaya.so"));
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+ if (!openMaya.is_regular_file()) {
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+ cerr << "Could not find $MAYA_LOCATION/bin/" << Filename(openMaya.get_basename()).to_os_specific() << "!\n";
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+ exit(1);
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+ }
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+
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+ // Now set PYTHONHOME & PYTHONPATH. Maya2008 requires this to be
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+ // set and pointing within $MAYA_LOCATION, or it might get itself
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+ // confused with another Python installation (e.g. Panda's).
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+ Filename python = Filename(maya_location, "Python");
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+ if (python.is_directory()) {
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+ {
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+ string putenv_str = "PYTHONHOME=" + python.to_os_specific();
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+ char *putenv_cstr = strdup(putenv_str.c_str());
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+ putenv(putenv_cstr);
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+ }
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+ {
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+ string putenv_str = "PYTHONPATH=" + python.to_os_specific();
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+ char *putenv_cstr = strdup(putenv_str.c_str());
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+ putenv(putenv_cstr);
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+ }
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+ }
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+
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+ // Now that we have set up the environment variables properly, chain
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+ // to the actual maya2egg_bin (or whichever) executable.
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+
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+#ifdef _WIN32
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+ // Windows case.
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+ char *command_line = strdup(GetCommandLine());
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+ STARTUPINFO startup_info;
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+ PROCESS_INFORMATION process_info;
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+ GetStartupInfo(&startup_info);
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+ BOOL result = CreateProcess(os_command.c_str(),
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+ command_line,
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+ NULL, NULL, true, 0,
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+ NULL, NULL,
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+ &startup_info,
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+ &process_info);
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+ if (result) {
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+ WaitForSingleObject(process_info.hProcess, INFINITE);
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+ CloseHandle(process_info.hProcess);
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+ CloseHandle(process_info.hThread);
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+ exit(0);
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+ }
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+ cerr << "Couldn't execute " << command << ": " << GetLastError() << "\n";
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+
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+#else
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+ // Unix case.
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+ execvp(os_command.c_str(), argv);
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+#endif
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+
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+ // Couldn't execute for some reason.
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+ return 1;
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+}
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David Rose