minetest/src/porting_android.cpp

341 lines
9.8 KiB
C++
Raw Normal View History

/*
Minetest
Copyright (C) 2014 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ANDROID__
#error This file may only be compiled for android!
#endif
#include "util/numeric.h"
#include "porting.h"
#include "porting_android.h"
#include "threading/thread.h"
#include "config.h"
#include "filesys.h"
#include "log.h"
#include <sstream>
#include <exception>
#include <cstdlib>
#ifdef GPROF
#include "prof.h"
#endif
extern int main(int argc, char *argv[]);
2023-12-19 21:41:48 +01:00
namespace porting {
2023-12-19 22:01:28 +01:00
// used here:
void cleanupAndroid();
std::string getLanguageAndroid();
2023-12-19 21:41:48 +01:00
bool setSystemPaths(); // used in porting.cpp
}
void android_main(android_app *app)
{
porting::app_global = app;
Thread::setName("Main");
char *argv[] = {strdup(PROJECT_NAME), strdup("--verbose"), nullptr};
2023-12-19 21:41:48 +01:00
int retval = main(ARRLEN(argv) - 1, argv);
free(argv[0]);
free(argv[1]);
porting::cleanupAndroid();
infostream << "Shutting down." << std::endl;
exit(retval);
}
namespace porting {
2023-12-19 21:41:48 +01:00
android_app *app_global = nullptr;
JNIEnv *jnienv = nullptr;
jclass nativeActivity;
jclass findClass(const std::string &classname)
{
if (jnienv == nullptr)
return nullptr;
jclass nativeactivity = jnienv->FindClass("android/app/NativeActivity");
jmethodID getClassLoader = jnienv->GetMethodID(
nativeactivity, "getClassLoader", "()Ljava/lang/ClassLoader;");
jobject cls = jnienv->CallObjectMethod(
app_global->activity->clazz, getClassLoader);
jclass classLoader = jnienv->FindClass("java/lang/ClassLoader");
jmethodID findClass = jnienv->GetMethodID(classLoader, "loadClass",
"(Ljava/lang/String;)Ljava/lang/Class;");
jstring strClassName = jnienv->NewStringUTF(classname.c_str());
return (jclass) jnienv->CallObjectMethod(cls, findClass, strClassName);
}
2023-12-19 21:41:48 +01:00
void osSpecificInit()
{
JavaVM *jvm = app_global->activity->vm;
JavaVMAttachArgs lJavaVMAttachArgs;
lJavaVMAttachArgs.version = JNI_VERSION_1_6;
lJavaVMAttachArgs.name = PROJECT_NAME_C "NativeThread";
lJavaVMAttachArgs.group = nullptr;
if (jvm->AttachCurrentThread(&porting::jnienv, &lJavaVMAttachArgs) == JNI_ERR) {
errorstream << "Failed to attach native thread to jvm" << std::endl;
exit(-1);
}
nativeActivity = findClass("net/minetest/minetest/GameActivity");
if (nativeActivity == nullptr)
errorstream <<
2023-06-05 12:02:10 +02:00
"porting::initAndroid unable to find Java native activity class" <<
std::endl;
2023-12-19 22:01:28 +01:00
// Set default language
auto lang = getLanguageAndroid();
unsetenv("LANGUAGE");
setenv("LANG", lang.c_str(), 1);
#ifdef GPROF
// in the start-up code
2023-12-19 21:41:48 +01:00
warningstream << "Initializing GPROF profiler" << std::endl;
monstartup("libMinetest.so");
#endif
}
void cleanupAndroid()
{
#ifdef GPROF
2023-12-19 21:41:48 +01:00
warningstream << "Shutting down GPROF profiler" << std::endl;
setenv("CPUPROFILE", (path_user + DIR_DELIM + "gmon.out").c_str(), 1);
moncleanup();
#endif
JavaVM *jvm = app_global->activity->vm;
jvm->DetachCurrentThread();
}
2023-06-05 12:02:10 +02:00
static std::string readJavaString(jstring j_str)
{
2023-06-05 12:02:10 +02:00
// Get string as a UTF-8 C string
const char *c_str = jnienv->GetStringUTFChars(j_str, nullptr);
// Save it
2023-06-05 12:02:10 +02:00
std::string str(c_str);
// And free the C string
jnienv->ReleaseStringUTFChars(j_str, c_str);
return str;
}
2023-12-19 21:41:48 +01:00
bool setSystemPaths()
{
// Set user and share paths
{
jmethodID getUserDataPath = jnienv->GetMethodID(nativeActivity,
"getUserDataPath", "()Ljava/lang/String;");
FATAL_ERROR_IF(getUserDataPath==nullptr,
"porting::initializePathsAndroid unable to find Java getUserDataPath method");
jobject result = jnienv->CallObjectMethod(app_global->activity->clazz, getUserDataPath);
2023-06-05 12:02:10 +02:00
std::string str = readJavaString((jstring) result);
path_user = str;
path_share = str;
}
// Set cache path
{
jmethodID getCachePath = jnienv->GetMethodID(nativeActivity,
"getCachePath", "()Ljava/lang/String;");
FATAL_ERROR_IF(getCachePath==nullptr,
"porting::initializePathsAndroid unable to find Java getCachePath method");
jobject result = jnienv->CallObjectMethod(app_global->activity->clazz, getCachePath);
2023-06-05 12:02:10 +02:00
path_cache = readJavaString((jstring) result);
}
2023-12-19 21:41:48 +01:00
return true;
}
void showTextInputDialog(const std::string &hint, const std::string &current, int editType)
{
jmethodID showdialog = jnienv->GetMethodID(nativeActivity, "showTextInputDialog",
"(Ljava/lang/String;Ljava/lang/String;I)V");
FATAL_ERROR_IF(showdialog == nullptr,
"porting::showTextInputDialog unable to find Java showTextInputDialog method");
jstring jhint = jnienv->NewStringUTF(hint.c_str());
jstring jcurrent = jnienv->NewStringUTF(current.c_str());
jint jeditType = editType;
jnienv->CallVoidMethod(app_global->activity->clazz, showdialog,
jhint, jcurrent, jeditType);
}
void showComboBoxDialog(const std::string optionList[], s32 listSize, s32 selectedIdx)
{
jmethodID showdialog = jnienv->GetMethodID(nativeActivity, "showSelectionInputDialog",
"([Ljava/lang/String;I)V");
FATAL_ERROR_IF(showdialog == nullptr,
"porting::showComboBoxDialog unable to find Java showSelectionInputDialog method");
jclass jStringClass = jnienv->FindClass("java/lang/String");
jobjectArray jOptionList = jnienv->NewObjectArray(listSize, jStringClass, NULL);
jint jselectedIdx = selectedIdx;
for (s32 i = 0; i < listSize; i ++) {
jnienv->SetObjectArrayElement(jOptionList, i,
jnienv->NewStringUTF(optionList[i].c_str()));
}
jnienv->CallVoidMethod(app_global->activity->clazz, showdialog, jOptionList,
jselectedIdx);
}
2023-12-19 21:41:48 +01:00
void openURIAndroid(const char *url)
{
jmethodID url_open = jnienv->GetMethodID(nativeActivity, "openURI",
"(Ljava/lang/String;)V");
FATAL_ERROR_IF(url_open == nullptr,
2023-06-05 12:02:10 +02:00
"porting::openURIAndroid unable to find Java openURI method");
2023-12-19 21:41:48 +01:00
jstring jurl = jnienv->NewStringUTF(url);
jnienv->CallVoidMethod(app_global->activity->clazz, url_open, jurl);
}
void shareFileAndroid(const std::string &path)
{
jmethodID url_open = jnienv->GetMethodID(nativeActivity, "shareFile",
"(Ljava/lang/String;)V");
FATAL_ERROR_IF(url_open == nullptr,
2023-06-05 12:02:10 +02:00
"porting::shareFileAndroid unable to find Java shareFile method");
jstring jurl = jnienv->NewStringUTF(path.c_str());
jnienv->CallVoidMethod(app_global->activity->clazz, url_open, jurl);
}
AndroidDialogType getLastInputDialogType()
{
jmethodID lastdialogtype = jnienv->GetMethodID(nativeActivity,
"getLastDialogType", "()I");
FATAL_ERROR_IF(lastdialogtype == nullptr,
"porting::getLastInputDialogType unable to find Java getLastDialogType method");
int dialogType = jnienv->CallIntMethod(app_global->activity->clazz, lastdialogtype);
return static_cast<AndroidDialogType>(dialogType);
}
AndroidDialogState getInputDialogState()
{
jmethodID inputdialogstate = jnienv->GetMethodID(nativeActivity,
"getInputDialogState", "()I");
FATAL_ERROR_IF(inputdialogstate == nullptr,
"porting::getInputDialogState unable to find Java getInputDialogState method");
int dialogState = jnienv->CallIntMethod(app_global->activity->clazz, inputdialogstate);
return static_cast<AndroidDialogState>(dialogState);
}
std::string getInputDialogMessage()
{
jmethodID dialogvalue = jnienv->GetMethodID(nativeActivity,
"getDialogMessage", "()Ljava/lang/String;");
FATAL_ERROR_IF(dialogvalue == nullptr,
"porting::getInputDialogMessage unable to find Java getDialogMessage method");
jobject result = jnienv->CallObjectMethod(app_global->activity->clazz,
dialogvalue);
2023-06-05 12:02:10 +02:00
return readJavaString((jstring) result);
}
int getInputDialogSelection()
{
jmethodID dialogvalue = jnienv->GetMethodID(nativeActivity, "getDialogSelection", "()I");
FATAL_ERROR_IF(dialogvalue == nullptr,
"porting::getInputDialogSelection unable to find Java getDialogSelection method");
return jnienv->CallIntMethod(app_global->activity->clazz, dialogvalue);
}
#ifndef SERVER
float getDisplayDensity()
{
static bool firstrun = true;
static float value = 0;
if (firstrun) {
jmethodID getDensity = jnienv->GetMethodID(nativeActivity,
"getDensity", "()F");
FATAL_ERROR_IF(getDensity == nullptr,
2023-06-05 12:02:10 +02:00
"porting::getDisplayDensity unable to find Java getDensity method");
value = jnienv->CallFloatMethod(app_global->activity->clazz, getDensity);
firstrun = false;
}
2023-06-05 12:02:10 +02:00
return value;
}
v2u32 getDisplaySize()
{
static bool firstrun = true;
static v2u32 retval;
if (firstrun) {
jmethodID getDisplayWidth = jnienv->GetMethodID(nativeActivity,
"getDisplayWidth", "()I");
FATAL_ERROR_IF(getDisplayWidth == nullptr,
2023-06-05 12:02:10 +02:00
"porting::getDisplayWidth unable to find Java getDisplayWidth method");
retval.X = jnienv->CallIntMethod(app_global->activity->clazz,
getDisplayWidth);
jmethodID getDisplayHeight = jnienv->GetMethodID(nativeActivity,
"getDisplayHeight", "()I");
FATAL_ERROR_IF(getDisplayHeight == nullptr,
2023-06-05 12:02:10 +02:00
"porting::getDisplayHeight unable to find Java getDisplayHeight method");
retval.Y = jnienv->CallIntMethod(app_global->activity->clazz,
getDisplayHeight);
firstrun = false;
}
2023-06-05 12:02:10 +02:00
return retval;
}
2023-06-05 12:02:10 +02:00
std::string getLanguageAndroid()
{
jmethodID getLanguage = jnienv->GetMethodID(nativeActivity,
"getLanguage", "()Ljava/lang/String;");
FATAL_ERROR_IF(getLanguage == nullptr,
"porting::getLanguageAndroid unable to find Java getLanguage method");
jobject result = jnienv->CallObjectMethod(app_global->activity->clazz,
getLanguage);
return readJavaString((jstring) result);
}
#endif // ndef SERVER
}