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provide run-time warnings if maya versions mismatch

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David Rose 2005-01-17 23:04:57 +00:00
parent a3ddf62e00
commit 40b212087b
1 changed files with 38 additions and 2 deletions
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40
pandatool/src/maya/mayaApi.cxx
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@ -157,10 +157,46 @@ open_api(string program_name) {
_global_api = new MayaApi(program_name);
// Try to compare the string-formatted runtime version number with
// the numeric compile-time version number, so we can sanity check
// our runtime environment. (Sure would be nice if Maya provided
// an apples-to-apples comparison for us.)
// According to the Maya specs, the numeric value is derived by
// taking the Maya version number and deleting the '.' characters,
// while also ignoring everything after the second dot (and, for
// some reason, appending a 0). Let's invert this to make a
// string for comparison.
ostringstream strm;
strm << (MAYA_API_VERSION / 100) << "."
<< (MAYA_API_VERSION / 10) % 10;
string compiled_version = strm.str();
// Also, truncate off the bugfix version from the runtime string.
string runtime_version = MGlobal::mayaVersion().asChar();
string simple_runtime_version = runtime_version;
size_t dot = simple_runtime_version.find('.');
if (dot != string::npos) {
dot = simple_runtime_version.find('.', dot + 1);
if (dot != string::npos) {
simple_runtime_version = simple_runtime_version.substr(0, dot);
}
}
if (maya_cat.is_debug()) {
maya_cat.debug()
<< "Using Maya library version " << MGlobal::mayaVersion().asChar()
<< ".\n";
<< "Compiled with Maya library version " << compiled_version
<< " (" << MAYA_API_VERSION << "); running with library version "
<< runtime_version << ".\n";
}
if (compiled_version != simple_runtime_version) {
maya_cat.warning()
<< "This program was compiled using Maya version " << compiled_version
<< ", but you are now running it with Maya version "
<< simple_runtime_version
<< ". The program may crash or produce incorrect results.\n";
}
}