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Make GDNative work on Android
The changes include work done to ensure that GDNative apps and Nim integration specifically can run on Android. The changes have been tested on our WIP game, which uses godot-nim and depends on several third-party .so libs, and Platformer demo to ensure nothing got broken. - .so libraries are exported to lib/ folder in .apk, instead of assets/, because that's where Android expects them to be and it resolves the library name into "lib/<ABI>/<name>", where <ABI> is the ABI matching the current device. So we establish the convention that Android .so files in the project must be located in the folder corresponding to the ABI they were compiled for. - Godot callbacks (event handlers) are now called from the same thread from which Main::iteration is called. It is also what Godot now considers to be the main thread, because Main::setup is also called from there. This makes threading on Android more consistent with other platforms, making the code that depends on Thread::get_main_id more portable (GDNative has such code). - Sizes of GDNative API types have been fixed to work on 32-bit platforms.
This commit is contained in:
Ruslan Mustakov
@@ -613,8 +613,6 @@ static List<JAndroidPointerEvent> pointer_events;
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static List<Ref<InputEvent> > key_events;
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static List<OS_Android::JoypadEvent> joy_events;
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static bool initialized = false;
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static Mutex *input_mutex = NULL;
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static Mutex *suspend_mutex = NULL;
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static int step = 0;
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static bool resized = false;
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static bool resized_reload = false;
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@@ -756,7 +754,7 @@ static void _alert(const String &p_message, const String &p_title) {
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env->CallVoidMethod(_godot_instance, _alertDialog, jStrMessage, jStrTitle);
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *env, jobject obj, jobject activity, jboolean p_need_reload_hook, jobjectArray p_cmdline, jobject p_asset_manager) {
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *env, jobject obj, jobject activity, jboolean p_need_reload_hook, jobject p_asset_manager, jboolean p_use_apk_expansion) {
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__android_log_print(ANDROID_LOG_INFO, "godot", "**INIT EVENT! - %p\n", env);
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@@ -826,36 +824,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *en
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AudioDriverAndroid::setup(gob);
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}
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const char **cmdline = NULL;
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int cmdlen = 0;
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bool use_apk_expansion = false;
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if (p_cmdline) {
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cmdlen = env->GetArrayLength(p_cmdline);
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if (cmdlen) {
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cmdline = (const char **)malloc((env->GetArrayLength(p_cmdline) + 1) * sizeof(const char *));
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cmdline[cmdlen] = NULL;
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for (int i = 0; i < cmdlen; i++) {
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jstring string = (jstring)env->GetObjectArrayElement(p_cmdline, i);
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const char *rawString = env->GetStringUTFChars(string, 0);
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if (!rawString) {
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__android_log_print(ANDROID_LOG_INFO, "godot", "cmdline arg %i is null\n", i);
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} else {
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//__android_log_print(ANDROID_LOG_INFO,"godot","cmdline arg %i is: %s\n",i,rawString);
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if (strcmp(rawString, "--main_pack") == 0)
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use_apk_expansion = true;
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}
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cmdline[i] = rawString;
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}
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}
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}
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__android_log_print(ANDROID_LOG_INFO, "godot", "CMDLINE LEN %i - APK EXPANSION %I\n", cmdlen, int(use_apk_expansion));
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os_android = new OS_Android(_gfx_init_func, env, _open_uri, _get_data_dir, _get_locale, _get_model, _get_screen_dpi, _show_vk, _hide_vk, _set_screen_orient, _get_unique_id, _get_system_dir, _play_video, _is_video_playing, _pause_video, _stop_video, _set_keep_screen_on, _alert, use_apk_expansion);
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os_android = new OS_Android(_gfx_init_func, env, _open_uri, _get_data_dir, _get_locale, _get_model, _get_screen_dpi, _show_vk, _hide_vk, _set_screen_orient, _get_unique_id, _get_system_dir, _play_video, _is_video_playing, _pause_video, _stop_video, _set_keep_screen_on, _alert, p_use_apk_expansion);
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os_android->set_need_reload_hooks(p_need_reload_hook);
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char wd[500];
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@@ -864,62 +833,10 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *en
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__android_log_print(ANDROID_LOG_INFO, "godot", "test construction %i\n", tst.a);
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__android_log_print(ANDROID_LOG_INFO, "godot", "running from dir %s\n", wd);
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__android_log_print(ANDROID_LOG_INFO, "godot", "**SETUP");
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Error err = Main::setup("apk", cmdlen, (char **)cmdline, false);
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if (err != OK) {
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__android_log_print(ANDROID_LOG_INFO, "godot", "*****UNABLE TO SETUP");
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return; //should exit instead and print the error
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}
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__android_log_print(ANDROID_LOG_INFO, "godot", "*****SETUP OK");
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//video driver is determined here, because once initialized, it can't be changed
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String vd = ProjectSettings::get_singleton()->get("display/driver");
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// String vd = ProjectSettings::get_singleton()->get("display/driver");
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env->CallVoidMethod(_godot_instance, _on_video_init, (jboolean) true);
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__android_log_print(ANDROID_LOG_INFO, "godot", "**START");
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input_mutex = Mutex::create();
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suspend_mutex = Mutex::create();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jobject obj, jint width, jint height, jboolean reload) {
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__android_log_print(ANDROID_LOG_INFO, "godot", "^_^_^_^_^ resize %lld, %i, %i\n", Thread::get_caller_id(), width, height);
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if (os_android)
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os_android->set_display_size(Size2(width, height));
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/*input_mutex->lock();
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resized=true;
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if (reload)
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resized_reload=true;
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new_size=Size2(width,height);
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input_mutex->unlock();*/
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_newcontext(JNIEnv *env, jobject obj, bool p_32_bits) {
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__android_log_print(ANDROID_LOG_INFO, "godot", "^_^_^_^_^ newcontext %lld\n", Thread::get_caller_id());
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if (os_android) {
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os_android->set_context_is_16_bits(!p_32_bits);
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}
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if (os_android && step > 0) {
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os_android->reload_gfx();
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}
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_back(JNIEnv *env, jobject obj) {
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input_mutex->lock();
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go_back_request = true;
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input_mutex->unlock();
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}
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static void _initialize_java_modules() {
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@@ -985,36 +902,106 @@ static void _initialize_java_modules() {
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}
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, jobject obj) {
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setup(JNIEnv *env, jobject obj, jobjectArray p_cmdline) {
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ThreadAndroid::setup_thread();
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//__android_log_print(ANDROID_LOG_INFO,"godot","**STEP EVENT! - %p-%i\n",env,Thread::get_caller_id());
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__android_log_print(ANDROID_LOG_INFO, "godot", "**SETUP");
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suspend_mutex->lock();
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input_mutex->lock();
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//first time step happens, initialize
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const char **cmdline = NULL;
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int cmdlen = 0;
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bool use_apk_expansion = false;
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if (p_cmdline) {
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cmdlen = env->GetArrayLength(p_cmdline);
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if (cmdlen) {
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cmdline = (const char **)malloc((env->GetArrayLength(p_cmdline) + 1) * sizeof(const char *));
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cmdline[cmdlen] = NULL;
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for (int i = 0; i < cmdlen; i++) {
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jstring string = (jstring)env->GetObjectArrayElement(p_cmdline, i);
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const char *rawString = env->GetStringUTFChars(string, 0);
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if (!rawString) {
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__android_log_print(ANDROID_LOG_INFO, "godot", "cmdline arg %i is null\n", i);
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} else {
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//__android_log_print(ANDROID_LOG_INFO,"godot","cmdline arg %i is: %s\n",i,rawString);
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if (strcmp(rawString, "-main_pack") == 0)
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use_apk_expansion = true;
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}
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cmdline[i] = rawString;
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}
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}
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}
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__android_log_print(ANDROID_LOG_INFO, "godot", "CMDLINE LEN %i - APK EXPANSION %i\n", cmdlen, int(use_apk_expansion));
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#if 0
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char *args[]={"-test","render",NULL};
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__android_log_print(ANDROID_LOG_INFO,"godot","pre asdasd setup...");
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Error err = Main::setup("apk",2,args,false);
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#else
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Error err = Main::setup("apk", cmdlen, (char **)cmdline, false);
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#endif
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if (cmdline) {
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free(cmdline);
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}
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if (err != OK) {
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__android_log_print(ANDROID_LOG_INFO, "godot", "*****UNABLE TO SETUP");
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return; //should exit instead and print the error
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}
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__android_log_print(ANDROID_LOG_INFO, "godot", "*****SETUP OK");
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java_class_wrapper = memnew(JavaClassWrapper(_godot_instance));
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ProjectSettings::get_singleton()->add_singleton(ProjectSettings::Singleton("JavaClassWrapper", java_class_wrapper));
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_initialize_java_modules();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jobject obj, jint width, jint height, jboolean reload) {
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__android_log_print(ANDROID_LOG_INFO, "godot", "^_^_^_^_^ resize %lld, %i, %i\n", Thread::get_caller_id(), width, height);
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if (os_android)
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os_android->set_display_size(Size2(width, height));
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/*input_mutex->lock();
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resized=true;
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if (reload)
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resized_reload=true;
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new_size=Size2(width,height);
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input_mutex->unlock();*/
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_newcontext(JNIEnv *env, jobject obj, bool p_32_bits) {
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__android_log_print(ANDROID_LOG_INFO, "godot", "^_^_^_^_^ newcontext %lld\n", Thread::get_caller_id());
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if (os_android) {
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os_android->set_context_is_16_bits(!p_32_bits);
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}
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if (os_android && step > 0) {
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os_android->reload_gfx();
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}
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_back(JNIEnv *env, jobject obj) {
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go_back_request = true;
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, jobject obj) {
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if (step == 0) {
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// ugly hack to initialize the rest of the engine
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// because of the way android forces you to do everything with threads
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java_class_wrapper = memnew(JavaClassWrapper(_godot_instance));
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ProjectSettings::get_singleton()->add_singleton(ProjectSettings::Singleton("JavaClassWrapper", java_class_wrapper));
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_initialize_java_modules();
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__android_log_print(ANDROID_LOG_INFO, "godot", "**FIRST_STEP");
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// Since Godot is initialized on the UI thread, _main_thread_id was set to that thread's id,
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// but for Godot purposes, the main thread is the one running the game loop
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Main::setup2(Thread::get_caller_id());
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++step;
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suspend_mutex->unlock();
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input_mutex->unlock();
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return;
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};
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}
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if (step == 1) {
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if (!Main::start()) {
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input_mutex->unlock();
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suspend_mutex->lock();
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return; //should exit instead and print the error
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}
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@@ -1022,6 +1009,8 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, job
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++step;
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}
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//__android_log_print(ANDROID_LOG_INFO,"godot","**STEP EVENT! - %p-%i\n",env,Thread::get_caller_id());
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while (pointer_events.size()) {
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JAndroidPointerEvent jpe = pointer_events.front()->get();
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@@ -1052,8 +1041,6 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, job
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go_back_request = false;
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}
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input_mutex->unlock();
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os_android->process_accelerometer(accelerometer);
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os_android->process_magnetometer(magnetometer);
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@@ -1067,8 +1054,6 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, job
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env->CallVoidMethod(_godot_instance, _finish);
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__android_log_print(ANDROID_LOG_INFO, "godot", "**FINISH REQUEST!!! - %p-%i\n", env, Thread::get_caller_id());
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}
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suspend_mutex->unlock();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_touch(JNIEnv *env, jobject obj, jint ev, jint pointer, jint count, jintArray positions) {
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@@ -1091,11 +1076,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_touch(JNIEnv *env, jo
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jpe.points = points;
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jpe.what = ev;
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input_mutex->lock();
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pointer_events.push_back(jpe);
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input_mutex->unlock();
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/*
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if (os_android)
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os_android->process_touch(ev,pointer,points);
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@@ -1365,9 +1346,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joybutton(JNIEnv *env
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jevent.index = p_button;
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jevent.pressed = p_pressed;
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input_mutex->lock();
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joy_events.push_back(jevent);
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input_mutex->unlock();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyaxis(JNIEnv *env, jobject obj, jint p_device, jint p_axis, jfloat p_value) {
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@@ -1378,9 +1357,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyaxis(JNIEnv *env,
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jevent.index = p_axis;
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jevent.value = p_value;
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input_mutex->lock();
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joy_events.push_back(jevent);
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input_mutex->unlock();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyhat(JNIEnv *env, jobject obj, jint p_device, jint p_hat_x, jint p_hat_y) {
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@@ -1401,9 +1378,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyhat(JNIEnv *env, j
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hat |= InputDefault::HAT_MASK_DOWN;
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}
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jevent.hat = hat;
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input_mutex->lock();
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joy_events.push_back(jevent);
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input_mutex->unlock();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyconnectionchanged(JNIEnv *env, jobject obj, jint p_device, jboolean p_connected, jstring p_name) {
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@@ -1437,54 +1412,31 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_key(JNIEnv *env, jobj
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go_back_request = true;
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}
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input_mutex->lock();
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key_events.push_back(ievent);
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input_mutex->unlock();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_accelerometer(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z) {
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input_mutex->lock();
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accelerometer = Vector3(x, y, z);
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input_mutex->unlock();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_magnetometer(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z) {
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input_mutex->lock();
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magnetometer = Vector3(x, y, z);
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input_mutex->unlock();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_gyroscope(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z) {
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input_mutex->lock();
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gyroscope = Vector3(x, y, z);
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input_mutex->unlock();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_focusin(JNIEnv *env, jobject obj) {
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if (!suspend_mutex)
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return;
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suspend_mutex->lock();
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if (os_android && step > 0)
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os_android->main_loop_focusin();
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suspend_mutex->unlock();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_focusout(JNIEnv *env, jobject obj) {
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if (!suspend_mutex)
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return;
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suspend_mutex->lock();
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if (os_android && step > 0)
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os_android->main_loop_focusout();
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suspend_mutex->unlock();
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}
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JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_audio(JNIEnv *env, jobject obj) {
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