bool createNewJavaVM( const char* PLUGIN_PATH, JavaVM** jvm, JNIEnv** env )
{
char* fileBuffer = (char*)malloc( 16384 );
if ( JAVA_HOME == NULL )
{
logg( "ERROR: Could not locate JAVA_HOME." );
return ( false );
}
memcpy( fileBuffer, "Using Java from folder \"", 24 );
memcpy( fileBuffer + 24, JAVA_HOME, strlen( JAVA_HOME ) );
memcpy( fileBuffer + 24 + strlen( JAVA_HOME ), "\".", 3 );
logg( fileBuffer );
if(JAVA_VERSION == 7)
{
getFullPath( JAVA_HOME, "bin\\msvcr100.dll", fileBuffer );
logg( " Loading msvcr100.dll...");
}
else
{
getFullPath( JAVA_HOME, "bin\\msvcr71.dll", fileBuffer );
logg( " Loading msvcr71.dll...");
}
HMODULE msvcdll = LoadLibrary( fileBuffer );
if ( msvcdll == NULL )
{
if(JAVA_VERSION == 7)
logg( " ERROR: Failed to load msvcr100.dll." );
else
logg( " ERROR: Failed to load msvcr71.dll." );
return ( false );
}
getFullPath( JAVA_HOME, "bin\\client\\jvm.dll", fileBuffer );
logg( " Loading jvm.dll..." );
HMODULE jvmdll = LoadLibrary( fileBuffer );
if ( jvmdll == NULL )
{
logg( "ERROR: Failed to load jvm.dll." );
return ( false );
}
logg( "Successfully loaded Java dlls." );
logg( "Invoking Java VM..." );
const unsigned int NUM_OPTIONS = 7;
JavaVMOption options[NUM_OPTIONS];
setBuffer( "-Djava.class.path=", fileBuffer );
addPostFix( PLUGIN_PATH, fileBuffer );
addPostFix( "\\rfdynhud.jar", fileBuffer );
// TODO: Detect rFactor version somehow!
addPostFix( ";", fileBuffer );
addPostFix( PLUGIN_PATH, fileBuffer );
addPostFix( "\\rfdynhud_gamedata_rfactor1.jar", fileBuffer );
addPostFix( ";", fileBuffer );
addPostFix( PLUGIN_PATH, fileBuffer );
addPostFix( "\\editor\\rfdynhud_editor.jar", fileBuffer );
options[0].optionString = cropBuffer2( fileBuffer );
options[1].optionString = cropBuffer2( addPreFix( "-Dworkdir=", setBuffer( PLUGIN_PATH, fileBuffer ) ) );
options[2].optionString = "-Xms512m";
options[3].optionString = "-Xmx512m";
options[4].optionString = "-XX:MaxGCPauseMillis=5";
options[5].optionString = "-XX:+UseAdaptiveSizePolicy";
options[6].optionString = "-Xincgc";
free( fileBuffer );
logg( "JVM options:" );
for ( unsigned int i = 0; i < NUM_OPTIONS; i++ )
{
logg2( " " );
logg( options[i].optionString );
}
JavaVMInitArgs vm_args;
vm_args.version = JNI_VERSION_1_6;
vm_args.options = options;
vm_args.nOptions = 7;
vm_args.ignoreUnrecognized = TRUE;
CreateJavaVMPROC CreateJavaVM = (CreateJavaVMPROC)GetProcAddress( jvmdll, "JNI_CreateJavaVM" );
if ( CreateJavaVM == NULL )
{
logg( "ERROR: Failed to get proc address of JNI_CreateJavaVM." );
return ( false );
}
jint res = CreateJavaVM( jvm, (void **)env, &vm_args );
if ( res < 0 )
{
logg( "ERROR: Failed to create Java virtual machine." );
return ( false );
}
logg( "Successfully invoked Java VM." );
return ( true );
}
bool createNewJavaVM( const char* PLUGIN_PATH, JavaVM** jvm, JNIEnv** env )
{
char* fileBuffer = (char*)malloc( 16384 );
if ( JAVA_HOME == NULL )
{
logg( "ERROR: Could not locate JAVA_HOME." );
return ( false );
}
memcpy( fileBuffer, "Using Java from folder \"", 24 );
memcpy( fileBuffer + 24, JAVA_HOME, strlen( JAVA_HOME ) );
memcpy( fileBuffer + 24 + strlen( JAVA_HOME ), "\".", 3 );
logg( fileBuffer );
if(JAVA_VERSION == 7)
{
getFullPath( JAVA_HOME, "bin\\msvcr100.dll", fileBuffer );
logg( " Loading msvcr100.dll...", false );
}
else
{
getFullPath( JAVA_HOME, "bin\\msvcr71.dll", fileBuffer );
logg( " Loading msvcr71.dll...", false );
}
HMODULE msvcdll = LoadLibrary( fileBuffer );
if ( msvcdll == NULL )
{
if(JAVA_VERSION == 7)
logg( " ERROR: Failed to load msvcr100.dll." );
else
logg( " ERROR: Failed to load msvcr71.dll." );
return ( false );
}
else
{
logg( " done." );
}
getFullPath( JAVA_HOME, "bin\\client\\jvm.dll", fileBuffer );
logg( " Loading jvm.dll...", false );
HMODULE jvmdll = LoadLibrary( fileBuffer );
if ( jvmdll == NULL )
{
logg( " ERROR: Failed to load jvm.dll." );
return ( false );
}
else
{
logg( " done." );
}
logg( "Successfully loaded Java dlls." );
logg( "Invoking Java VM..." );
setBuffer( "-Djava.class.path=", fileBuffer );
addPostFix( PLUGIN_PATH, fileBuffer );
addPostFix( "\\rfdynhud.jar", fileBuffer );
addPostFix( ";", fileBuffer );
addPostFix( PLUGIN_PATH, fileBuffer );
if ( isRFactor2() )
addPostFix( "\\rfdynhud_gamedata_rfactor2.jar", fileBuffer );
else
addPostFix( "\\rfdynhud_gamedata_rfactor1.jar", fileBuffer );
const bool WITH_PROFILER = false;
const unsigned int nOptions = WITH_PROFILER ? 11 : 10;
JavaVMOption options[nOptions];
unsigned int i = 0;
options[i++].optionString = cropBuffer2( fileBuffer );
options[i++].optionString = cropBuffer2( addPreFix( "-Dworkdir=", setBuffer( PLUGIN_PATH, fileBuffer ) ) );
options[i++].optionString = "-Xms96m";
options[i++].optionString = "-Xmx96m";
options[i++].optionString = "-XX:MaxGCPauseMillis=5";
options[i++].optionString = "-XX:+UseAdaptiveSizePolicy";
options[i++].optionString = "-Xincgc";
options[i++].optionString = "-Dsun.java2d.opengl=true";
options[i++].optionString = "-Dsun.java2d.d3d=false";
options[i++].optionString = "-Dsun.java2d.noddraw=true";
if ( WITH_PROFILER )
options[i++].optionString = "-agentpath:c:\\Program Files (x86)\\YourKit Java Profiler 9.0.8\\bin\\win32\\yjpagent.dll";
free( fileBuffer );
logg( "JVM options:" );
for ( i = 0; i < nOptions; i++ )
logg2( " ", options[i].optionString, true );
JavaVMInitArgs vm_args;
vm_args.version = JNI_VERSION_1_6;
vm_args.options = options;
vm_args.nOptions = nOptions;
vm_args.ignoreUnrecognized = TRUE;
CreateJavaVMPROC CreateJavaVM = (CreateJavaVMPROC)GetProcAddress( jvmdll, "JNI_CreateJavaVM" );
if ( CreateJavaVM == NULL )
{
logg( "ERROR: Failed to get proc address of JNI_CreateJavaVM." );
return ( false );
}
jint res = CreateJavaVM( jvm, (void **)env, &vm_args );
if ( res < 0 )
{
logg( "ERROR: Failed to create Java virtual machine." );
return ( false );
}
jclass System = (*env)->FindClass( "java/lang/System" );
jmethodID getProperty = (*env)->GetStaticMethodID( System, "getProperty", "(Ljava/lang/String;)Ljava/lang/String;" );
loggSystemProperty( *env, System, getProperty, "java.vm.vendor" );
loggSystemProperty( *env, System, getProperty, "java.vm.name" );
loggSystemProperty( *env, System, getProperty, "java.vm.version" );
loggSystemProperty( *env, System, getProperty, "java.runtime.version" );
loggSystemProperty( *env, System, getProperty, "java.awt.graphicsenv" );
logg( "Successfully invoked Java VM." );
return ( true );
}
void RFDynHUDPlugin2::Error( const char* const msg )
{
logg2( "ERROR: ", msg );
}
