334 lines
13 KiB
Objective-C
334 lines
13 KiB
Objective-C
#include <assert.h>
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#include <dirent.h>
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#include <dlfcn.h>
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#include <errno.h>
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#include <libgen.h>
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#include <pthread.h>
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#include <spawn.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "jni.h"
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#include "log.h"
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#include "utils.h"
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#include "JavaLauncher.h"
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#import "customcontrols/CustomControlsUtils.h"
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#import "LauncherPreferences.h"
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// PojavLancher: fixme: are these wrong?
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#define FULL_VERSION "1.8.0-internal"
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#define DOT_VERSION "1.8"
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static char java_libs_path[2048];
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static char args_path[2048];
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static char env_path[2048];
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static char log_path[2048];
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extern char **environ;
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static const char* const_progname = "java";
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static const char* const_launcher = "openjdk";
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static const char** const_jargs = NULL;
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static const char** const_appclasspath = NULL;
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static const jboolean const_javaw = JNI_FALSE;
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static const jboolean const_cpwildcard = JNI_TRUE;
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static const jint const_ergo_class = 0; // DEFAULT_POLICY
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typedef jint JLI_Launch_func(int argc, char ** argv, /* main argc, argc */
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int jargc, const char** jargv, /* java args */
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int appclassc, const char** appclassv, /* app classpath */
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const char* fullversion, /* full version defined */
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const char* dotversion, /* dot version defined */
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const char* pname, /* program name */
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const char* lname, /* launcher name */
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jboolean javaargs, /* JAVA_ARGS */
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jboolean cpwildcard, /* classpath wildcard*/
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jboolean javaw, /* windows-only javaw */
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jint ergo /* ergonomics class policy */
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);
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static int margc = 0;
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static char* margv[1000];
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static int pfd[2];
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static pthread_t logger;
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const char *javaHome;
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const char *gl4esLibname;
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NSString *javaHome_pre;
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NSString *gl4esLibname_pre;
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void init_loadCustomJvmFlags() {
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NSString *jvmargs = getPreference(@"java_args");
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BOOL isFirstArg = YES;
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for (NSString *jvmarg in [jvmargs componentsSeparatedByString:@" -"]) {
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if ([jvmarg length] == 0) continue;
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if (isFirstArg) {
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isFirstArg = NO;
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margv[margc] = (char *) [jvmarg UTF8String];
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} else {
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margv[margc] = (char *) [[@"-" stringByAppendingString:jvmarg] UTF8String];
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}
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NSLog(@"[Pre-init] Added custom JVM flag: %s", margv[margc]);
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++margc;
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}
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}
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void init_migrateToPlist(char* prefKey, char* filename) {
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// NSString *readmeStr = @"#README - this file has been merged into launcher_preferences.plist";
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NSError *error;
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NSString *str, *path_str;
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// overrideargs.txt
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path_str = [NSString stringWithFormat:@"%s/%s", getenv("POJAV_HOME"), filename];
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str = [NSString stringWithContentsOfFile:path_str encoding:NSUTF8StringEncoding error:&error];
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if (error == nil && ![str hasPrefix:@"#README"]) {
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setPreference(@(prefKey), str);
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[@"#README - this file has been merged into launcher_preferences.plist" writeToFile:path_str atomically:YES encoding:NSUTF8StringEncoding error:nil];
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}
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}
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int launchJVM(int argc, char *argv[]) {
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char *homeDir;
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if (!started) {
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setenv("BUNDLE_PATH", dirname(argv[0]), 1);
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// Are we running on a jailbroken environment?
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if (strncmp(argv[0], "/Applications", 13) == 0) {
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setenv("HOME", "/var/mobile", 1);
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homeDir = "/var/mobile/Documents/.pojavlauncher";
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} else {
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char pojavHome[2048];
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sprintf(pojavHome, "%s/Documents", getenv("HOME"));
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homeDir = (char *) pojavHome;
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}
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setenv("POJAV_HOME", homeDir, 1);
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} else {
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homeDir = getenv("POJAV_HOME");
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}
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loadPreferences();
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init_migrateToPlist("selected_version", "config_ver.txt");
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init_migrateToPlist("java_args", "overrideargs.txt");
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sprintf((char*) env_path, "%s/custom_env.txt", homeDir);
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sprintf((char*) log_path, "%s/latestlog.txt", homeDir);
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sprintf((char*) java_libs_path, "%s/libs", getenv("BUNDLE_PATH"));
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mkdir(dirname(log_path), 755);
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if (!started) {
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debug("[Pre-init] Staring logging STDIO as jrelog:V\n");
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// Redirect stdio to latestlog.txt
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int ret;
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char newname[2048];
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sprintf(newname, "%s/latestlog.old.txt", homeDir);
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ret = rename(log_path, newname);
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FILE* logFile = fopen(log_path, "w");
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if (!logFile) {
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debug("[Pre-init] Error: failed to open %s: %s", log_path, strerror(errno));
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assert(0 && "Failed to open latestlog.txt. Check oslog for more details.");
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}
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int log_fd = fileno(logFile);
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dup2(log_fd, 1);
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dup2(log_fd, 2);
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close(log_fd);
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}
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debug("[Pre-init] Beginning JVM launch\n");
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char javaAwtPath[4096];
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// accidentally patched a bit wrong, the value should be a path containing libawt_xawt.dylib, but here is libawt.dylib path (no need to exist)
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sprintf(javaAwtPath, "%s/Frameworks/libawt.dylib", getenv("BUNDLE_PATH"));
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setenv("JAVA_AWT_PATH", javaAwtPath, 1);
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// setenv("LIBGL_FB", "2", 1);
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setenv("LIBGL_MIPMAP", "3", 1);
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// Fix white color on banner and sheep, since GL4ES 1.1.5
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setenv("LIBGL_NORMALIZE", "1", 1);
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javaHome_pre = getPreference(@"java_home");
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if ([javaHome_pre length] == 0) {
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if (strncmp(argv[0], "/Applications", 13) == 0) {
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if (0 != access("/usr/lib/jvm/java-8-openjdk/", F_OK)) {
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debug("[Pre-init] Java 8 wasn't found on your device. Install Java 8 for more compatibility and the mod installer.");
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javaHome_pre = @"/usr/lib/jvm/java-16-openjdk";
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javaHome = [javaHome_pre cStringUsingEncoding:NSUTF8StringEncoding];
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setPreference(@"java_home", javaHome_pre);
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} else {
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javaHome_pre = @"/usr/lib/jvm/java-8-openjdk";
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javaHome = [javaHome_pre cStringUsingEncoding:NSUTF8StringEncoding];
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setPreference(@"java_home", javaHome_pre);
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}
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} else {
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javaHome = calloc(1, 2048);
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sprintf((char *)javaHome, "%s/jre8", getenv("BUNDLE_PATH"));
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}
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setenv("JAVA_HOME", javaHome, 1);
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debug("[Pre-init] JAVA_HOME environment variable was not set. Defaulting to %s for future use.\n", javaHome);
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} else {
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javaHome = [javaHome_pre cStringUsingEncoding:NSUTF8StringEncoding];
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debug("[Pre-Init] Restored preference: JAVA_HOME is set to %s\n", javaHome);
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}
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gl4esLibname_pre = getPreference(@"gl4es_libname");
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if ([gl4esLibname_pre length] == 0) {
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gl4esLibname_pre = @"libgl4es_114.dylib";
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setPreference(@"gl4es_libname", gl4esLibname_pre);
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gl4esLibname = [gl4esLibname_pre cStringUsingEncoding:NSUTF8StringEncoding];
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setenv("GL4ES_LIBNAME", gl4esLibname, 1);
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debug("[Pre-init] GL4ES_LIBNAME environment variable was not set. Defaulting to %s for future use.\n", gl4esLibname);
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} else {
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gl4esLibname = [gl4esLibname_pre cStringUsingEncoding:NSUTF8StringEncoding];
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debug("[Pre-Init] Restored preference: GL4ES_LIBNAME is set to %s\n", gl4esLibname);
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}
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char controlPath[2048];
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sprintf(controlPath, "%s/controlmap", homeDir);
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mkdir(controlPath, S_IRWXU | S_IRWXG | S_IRWXO);
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setenv("POJAV_PATH_CONTROL", controlPath, 1);
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generateAndSaveDefaultControl();
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char classpath[10000];
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// "/Applications/PojavLauncher.app/libs/launcher.jar:/Applications/PojavLauncher.app/libs/ExagearApacheCommons.jar:/Applications/PojavLauncher.app/libs/gson-2.8.6.jar:/Applications/PojavLauncher.app/libs/jsr305.jar:/Applications/PojavLauncher.app/libs/lwjgl3-minecraft.jar";
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// Generate classpath
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DIR *d;
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struct dirent *dir;
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d = opendir(java_libs_path);
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int cplen = 0;
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if (d) {
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// cplen += sprintf(classpath + cplen, "-Xbootclasspath/a:");
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while ((dir = readdir(d)) != NULL) {
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cplen += sprintf(classpath + cplen, "%s/%s:", java_libs_path, dir->d_name);
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}
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closedir(d);
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}
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debug("[Pre-init] Classpath generated: %s", classpath);
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// Check if JVM restarts
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if (!started) {
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char *frameworkPath = calloc(1, 2048);
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char *javaPath = calloc(1, 2048);
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char *gl4esPath = calloc(1, 2048);
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char *userDir = calloc(1, 2048);
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char *userHome = calloc(1, 2048);
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snprintf(frameworkPath, 2048, "-Djava.library.path=%s/Frameworks", getenv("BUNDLE_PATH"));
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snprintf(javaPath, 2048, "%s/bin/java", javaHome);
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snprintf(userDir, 2048, "-Duser.dir=%s/Documents/minecraft", getenv("HOME"));
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snprintf(userHome, 2048, "-Duser.home=%s/Documents", getenv("HOME"));
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snprintf(gl4esPath, 2048, "-Dorg.lwjgl.opengl.libname=%s", gl4esLibname);
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chdir(userDir);
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margv[margc++] = javaPath;
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margv[margc++] = "-XstartOnFirstThread";
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margv[margc++] = "-Djava.system.class.loader=net.kdt.pojavlaunch.PojavClassLoader";
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margv[margc++] = frameworkPath;
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margv[margc++] = userDir;
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margv[margc++] = userHome;
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margv[margc++] = gl4esPath;
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margv[margc++] = "-Dorg.lwjgl.system.allocator=system";
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} else {
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setenv("GL4ES_LIBNAME", gl4esLibname, 1);
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debug("[Pre-init] GL4ES_LIBNAME has been set to %s", getenv("GL4ES_LIBNAME"));
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}
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// Load java
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char libjlipath8[2048]; // java 8
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char libjlipath16[2048]; // java 16+ (?)
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sprintf(libjlipath8, "%s/lib/jli/libjli.dylib", javaHome);
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sprintf(libjlipath16, "%s/lib/libjli.dylib", javaHome);
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void* libjli = dlopen(libjlipath16, RTLD_LAZY | RTLD_GLOBAL);
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if (!libjli) {
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debug("[Init] Can't load %s, trying %s", libjlipath16, libjlipath8);
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libjli = dlopen(libjlipath8, RTLD_LAZY | RTLD_GLOBAL);
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if (!libjli) {
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debug("[Init] JLI lib = NULL: %s", dlerror());
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return -1;
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}
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if (!started) {
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// Setup Caciocavallo
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margv[margc++] = "-Djava.awt.headless=false";
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margv[margc++] = "-Dcacio.font.fontmanager=sun.awt.X11FontManager";
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margv[margc++] = "-Dcacio.font.fontscaler=sun.font.FreetypeFontScaler";
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margv[margc++] = "-Dswing.defaultlaf=javax.swing.plaf.metal.MetalLookAndFeel";
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margv[margc++] = "-Dawt.toolkit=net.java.openjdk.cacio.ctc.CTCToolkit";
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margv[margc++] = "-Djava.awt.graphicsenv=net.java.openjdk.cacio.ctc.CTCGraphicsEnvironment";
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// Generate Caciocavallo bootclasspath
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char cacio_libs_path[2048];
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char cacio_classpath[8192];
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sprintf((char*) cacio_libs_path, "%s/libs_caciocavallo", getenv("BUNDLE_PATH"));
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cplen = sprintf(cacio_classpath, "-Xbootclasspath/p");
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d = opendir(cacio_libs_path);
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if (d) {
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while ((dir = readdir(d)) != NULL) {
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cplen += sprintf(cacio_classpath + cplen, ":%s/%s", cacio_libs_path, dir->d_name);
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}
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closedir(d);
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}
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margv[margc++] = cacio_classpath;
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}
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}
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if (!started) {
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init_loadCustomJvmFlags();
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}
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debug("[Init] Found JLI lib");
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if (!started) {
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margv[margc++] = "-cp";
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margv[margc++] = classpath;
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margv[margc++] = "net.kdt.pojavlaunch.PLaunchApp";
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for (int i = 0; i < argc; i++) {
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margv[margc++] = argv[i];
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}
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}
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JLI_Launch_func *pJLI_Launch =
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(JLI_Launch_func *)dlsym(libjli, "JLI_Launch");
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if (NULL == pJLI_Launch) {
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debug("[Init] JLI_Launch = NULL");
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return -2;
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}
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debug("[Init] Calling JLI_Launch");
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/*
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for (int i = 0; i < margc; i++) {
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debug("arg[%d] = %s", i, margv[i]);
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}
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*/
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int targc = started ? argc : margc;
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char **targv = started ? argv : margv;
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if (!started) {
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started = true;
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}
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/* debug:
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for (int i = 0; i < targc; i++) {
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debug("Arg=%s", targv[i]);
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}
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*/
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return pJLI_Launch(targc, targv,
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0, NULL, // sizeof(const_jargs) / sizeof(char *), const_jargs,
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0, NULL, // sizeof(const_appclasspath) / sizeof(char *), const_appclasspath,
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FULL_VERSION,
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DOT_VERSION,
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const_progname, // (const_progname != NULL) ? const_progname : *margv,
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const_launcher, // (const_launcher != NULL) ? const_launcher : *margv,
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(const_jargs != NULL) ? JNI_TRUE : JNI_FALSE,
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const_cpwildcard, const_javaw, const_ergo_class);
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}
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