Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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#ifdef ANDROID
#include <android/log.h>
#include <jni.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <dlfcn.h>
#include "tier0/threadtools.h"
char *LauncherArgv[512];
char java_args[4096];
int iLastArgs = 0;
#define TAG "SRCENG"
#define PRIO ANDROID_LOG_DEBUG
#define LogPrintf(...) do { __android_log_print(PRIO, TAG, __VA_ARGS__); printf( __VA_ARGS__); } while( 0 );
#define DLLEXPORT extern "C" __attribute__((visibility("default")))
DLLEXPORT void Java_com_valvesoftware_ValveActivity2_setDataDirectoryPath(JNIEnv *env, jclass *clazz, jstring path)
{
setenv( "APP_DATA_PATH", env->GetStringUTFChars(path, NULL), 1);
LogPrintf( "Java_com_valvesoftware_ValveActivity2_setDataDirectoryPath: %s", getenv("APP_DATA_PATH") );
}
DLLEXPORT void Java_com_valvesoftware_ValveActivity2_setGameDirectoryPath(JNIEnv *env, jclass *clazz, jstring path)
{
LogPrintf( "Java_com_valvesoftware_ValveActivity2_setGameDirectoryPath" );
setenv( "VALVE_GAME_PATH", env->GetStringUTFChars(path, NULL), 1 );
}
DLLEXPORT int Java_com_valvesoftware_ValveActivity2_setenv(JNIEnv *jenv, jclass *jclass, jstring env, jstring value, jint over)
{
LogPrintf( "Java_com_valvesoftware_ValveActivity2_setenv %s=%s", jenv->GetStringUTFChars(env, NULL), jenv->GetStringUTFChars(value, NULL) );
return setenv( jenv->GetStringUTFChars(env, NULL), jenv->GetStringUTFChars(value, NULL), over );
}
DLLEXPORT void Java_com_valvesoftware_ValveActivity2_nativeOnActivityResult()
{
LogPrintf( "Java_com_valvesoftware_ValveActivity_nativeOnActivityResult" );
}
void parseArgs( char *args )
{
char *pch;
pch = strtok (args," ");
while (pch != NULL)
{
LauncherArgv[iLastArgs++] = pch;
pch = strtok (NULL, " ");
}
}
DLLEXPORT void Java_com_valvesoftware_ValveActivity2_setArgs(JNIEnv *env, jclass *clazz, jstring str)
{
strncpy( java_args, env->GetStringUTFChars(str, NULL), sizeof java_args );
}
DLLEXPORT int LauncherMain( int argc, char **argv );
#define A(a,b) LauncherArgv[iLastArgs++] = (char*)a; \
LauncherArgv[iLastArgs++] = (char*)b
#define D(a) LauncherArgv[iLastArgs++] = (char*)a
void SetLauncherArgs()
{
static char binPath[2048];
snprintf(binPath, sizeof binPath, "%s/hl2_linux", getenv("APP_DATA_PATH") );
LogPrintf(binPath);
D(binPath);
parseArgs(java_args);
A("-game", "hl2");
D("-window");
D("-nosteam");
D("-insecure");
}
static void *lgles;
typedef void (*t_set_getprocaddress)(void *(*new_proc_address)(const char *));
t_set_getprocaddress gl4es_set_getprocaddress;
typedef void *(*t_eglGetProcAddress)( const char * );
t_eglGetProcAddress eglGetProcAddress;
void *GetProcAddress( const char *procname )
{
void *result = dlsym(lgles, procname);
if(result)
return result;
else
return eglGetProcAddress(procname);
}
DLLEXPORT int LauncherMainAndroid( int argc, char **argv )
{
SetLauncherArgs();
void *lgl4es = dlopen("libgl4es.so", 0);
if( !lgl4es )
{
LogPrintf("Failed to dlopen library libgl4es.so: %s\n", dlerror());
return 1;
}
void *lEGL = dlopen("libEGL.so", 0);
if( !lEGL )
{
LogPrintf("Failed to dlopen library libEGL.so: %s\n", dlerror());
return 1;
}
lgles = dlopen("libGLESv2.so", 0);
if( !lgles )
{
LogPrintf("Failed to dlopen library libGLESv2.so: %s\n", dlerror());
return 1;
}
gl4es_set_getprocaddress = (t_set_getprocaddress)dlsym(lgl4es, "set_getprocaddress");
eglGetProcAddress = (t_eglGetProcAddress)dlsym(lEGL, "eglGetProcAddress");
if( gl4es_set_getprocaddress && eglGetProcAddress )
{
gl4es_set_getprocaddress( &GetProcAddress );
}
else
{
LogPrintf("Failed to call set_getprocaddress\n");
return 1;
}
DeclareCurrentThreadIsMainThread(); // Init thread propertly on Android
return LauncherMain(iLastArgs, LauncherArgv);
}
#endif