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godot/platform/android/godot_android.cpp

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/*************************************************************************/
/* godot_android.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifdef ANDROID_NATIVE_ACTIVITY
#include <errno.h>
#include <jni.h>
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#include "file_access_android.h"
#include "main/main.h"
#include "os_android.h"
#include "project_settings.h"
#include <android/log.h>
#include <android/sensor.h>
#include <android/window.h>
#include <android_native_app_glue.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "godot", __VA_ARGS__))
#define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "godot", __VA_ARGS__))
extern "C" {
JNIEXPORT void JNICALL Java_org_godotengine_godot_Godot_registerSingleton(JNIEnv *env, jobject obj, jstring name, jobject p_object);
JNIEXPORT void JNICALL Java_org_godotengine_godot_Godot_registerMethod(JNIEnv *env, jobject obj, jstring sname, jstring name, jstring ret, jobjectArray args);
JNIEXPORT jstring JNICALL Java_org_godotengine_godot_Godot_getGlobal(JNIEnv *env, jobject obj, jstring path);
};
class JNISingleton : public Object {
GDCLASS(JNISingleton, Object);
struct MethodData {
jmethodID method;
Variant::Type ret_type;
Vector<Variant::Type> argtypes;
};
jobject instance;
Map<StringName, MethodData> method_map;
JNIEnv *env;
public:
void update_env(JNIEnv *p_env) { env = p_env; }
virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
print_line("attempt to call " + String(p_method));
r_error.error = Variant::CallError::CALL_OK;
Map<StringName, MethodData>::Element *E = method_map.find(p_method);
if (!E) {
print_line("no exists");
r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
return Variant();
}
int ac = E->get().argtypes.size();
if (ac < p_argcount) {
print_line("fewargs");
r_error.error = Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument = ac;
return Variant();
}
if (ac > p_argcount) {
print_line("manyargs");
r_error.error = Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
r_error.argument = ac;
return Variant();
}
for (int i = 0; i < p_argcount; i++) {
if (!Variant::can_convert(p_args[i]->get_type(), E->get().argtypes[i])) {
r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = i;
r_error.expected = E->get().argtypes[i];
}
}
jvalue *v = NULL;
if (p_argcount) {
v = (jvalue *)alloca(sizeof(jvalue) * p_argcount);
}
for (int i = 0; i < p_argcount; i++) {
switch (E->get().argtypes[i]) {
case Variant::BOOL: {
v[i].z = *p_args[i];
} break;
case Variant::INT: {
v[i].i = *p_args[i];
} break;
case Variant::REAL: {
v[i].f = *p_args[i];
} break;
case Variant::STRING: {
String s = *p_args[i];
jstring jStr = env->NewStringUTF(s.utf8().get_data());
v[i].l = jStr;
} break;
case Variant::STRING_ARRAY: {
PoolVector<String> sarray = *p_args[i];
jobjectArray arr = env->NewObjectArray(sarray.size(), env->FindClass("java/lang/String"), env->NewStringUTF(""));
for (int j = 0; j < sarray.size(); j++) {
env->SetObjectArrayElement(arr, j, env->NewStringUTF(sarray[i].utf8().get_data()));
}
v[i].l = arr;
} break;
case Variant::INT_ARRAY: {
PoolVector<int> array = *p_args[i];
jintArray arr = env->NewIntArray(array.size());
PoolVector<int>::Read r = array.read();
env->SetIntArrayRegion(arr, 0, array.size(), r.ptr());
v[i].l = arr;
} break;
case Variant::REAL_ARRAY: {
PoolVector<float> array = *p_args[i];
jfloatArray arr = env->NewFloatArray(array.size());
PoolVector<float>::Read r = array.read();
env->SetFloatArrayRegion(arr, 0, array.size(), r.ptr());
v[i].l = arr;
} break;
default: {
ERR_FAIL_V(Variant());
} break;
}
}
print_line("calling method!!");
Variant ret;
switch (E->get().ret_type) {
case Variant::NIL: {
print_line("call void");
env->CallVoidMethodA(instance, E->get().method, v);
} break;
case Variant::BOOL: {
ret = env->CallBooleanMethodA(instance, E->get().method, v);
print_line("call bool");
} break;
case Variant::INT: {
ret = env->CallIntMethodA(instance, E->get().method, v);
print_line("call int");
} break;
case Variant::REAL: {
ret = env->CallFloatMethodA(instance, E->get().method, v);
} break;
case Variant::STRING: {
jobject o = env->CallObjectMethodA(instance, E->get().method, v);
String singname = env->GetStringUTFChars((jstring)o, NULL);
} break;
case Variant::STRING_ARRAY: {
jobjectArray arr = (jobjectArray)env->CallObjectMethodA(instance, E->get().method, v);
int stringCount = env->GetArrayLength(arr);
PoolVector<String> sarr;
for (int i = 0; i < stringCount; i++) {
jstring string = (jstring)env->GetObjectArrayElement(arr, i);
const char *rawString = env->GetStringUTFChars(string, 0);
sarr.push_back(String(rawString));
}
ret = sarr;
} break;
case Variant::INT_ARRAY: {
jintArray arr = (jintArray)env->CallObjectMethodA(instance, E->get().method, v);
int fCount = env->GetArrayLength(arr);
PoolVector<int> sarr;
sarr.resize(fCount);
PoolVector<int>::Write w = sarr.write();
env->GetIntArrayRegion(arr, 0, fCount, w.ptr());
w = PoolVector<int>::Write();
ret = sarr;
} break;
case Variant::REAL_ARRAY: {
jfloatArray arr = (jfloatArray)env->CallObjectMethodA(instance, E->get().method, v);
int fCount = env->GetArrayLength(arr);
PoolVector<float> sarr;
sarr.resize(fCount);
PoolVector<float>::Write w = sarr.write();
env->GetFloatArrayRegion(arr, 0, fCount, w.ptr());
w = PoolVector<float>::Write();
ret = sarr;
} break;
default: {
print_line("failure..");
ERR_FAIL_V(Variant());
} break;
}
print_line("success");
return ret;
}
jobject get_instance() const {
return instance;
}
void set_instance(jobject p_instance) {
instance = p_instance;
}
void add_method(const StringName &p_name, jmethodID p_method, const Vector<Variant::Type> &p_args, Variant::Type p_ret_type) {
MethodData md;
md.method = p_method;
md.argtypes = p_args;
md.ret_type = p_ret_type;
method_map[p_name] = md;
}
JNISingleton() {}
};
//JNIEnv *JNISingleton::env=NULL;
static HashMap<String, JNISingleton *> jni_singletons;
struct engine {
struct android_app *app;
OS_Android *os;
JNIEnv *jni;
ASensorManager *sensorManager;
const ASensor *accelerometerSensor;
const ASensor *magnetometerSensor;
const ASensor *gyroscopeSensor;
ASensorEventQueue *sensorEventQueue;
bool display_active;
bool requested_quit;
int animating;
EGLDisplay display;
EGLSurface surface;
EGLContext context;
int32_t width;
int32_t height;
};
/**
* Initialize an EGL context for the current display.
*/
static int engine_init_display(struct engine *engine, bool p_gl2) {
// initialize OpenGL ES and EGL
/*
* Here specify the attributes of the desired configuration.
* Below, we select an EGLConfig with at least 8 bits per color
* component compatible with on-screen windows
*/
const EGLint gl2_attribs[] = {
// EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_BLUE_SIZE, 4,
EGL_GREEN_SIZE, 4,
EGL_RED_SIZE, 4,
EGL_ALPHA_SIZE, 0,
EGL_DEPTH_SIZE, 16,
EGL_STENCIL_SIZE, EGL_DONT_CARE,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
const EGLint gl1_attribs[] = {
// EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_BLUE_SIZE, 4,
EGL_GREEN_SIZE, 4,
EGL_RED_SIZE, 4,
EGL_ALPHA_SIZE, 0,
EGL_DEPTH_SIZE, 16,
EGL_STENCIL_SIZE, EGL_DONT_CARE,
EGL_NONE
};
const EGLint *attribs = p_gl2 ? gl2_attribs : gl1_attribs;
EGLint w, h, dummy, format;
EGLint numConfigs;
EGLConfig config;
EGLSurface surface;
EGLContext context;
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(display, 0, 0);
/* Here, the application chooses the configuration it desires. In this
* sample, we have a very simplified selection process, where we pick
* the first EGLConfig that matches our criteria */
eglChooseConfig(display, attribs, &config, 1, &numConfigs);
LOGI("Num configs: %i\n", numConfigs);
/* EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is
* guaranteed to be accepted by ANativeWindow_setBuffersGeometry().
* As soon as we picked a EGLConfig, we can safely reconfigure the
* ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID. */
eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format);
ANativeWindow_setBuffersGeometry(engine->app->window, 0, 0, format);
//ANativeWindow_setFlags(engine->app->window, 0, 0, format|);
surface = eglCreateWindowSurface(display, config, engine->app->window, NULL);
const EGLint context_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
context = eglCreateContext(display, config, EGL_NO_CONTEXT, p_gl2 ? context_attribs : NULL);
if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) {
LOGW("Unable to eglMakeCurrent");
return -1;
}
eglQuerySurface(display, surface, EGL_WIDTH, &w);
eglQuerySurface(display, surface, EGL_HEIGHT, &h);
print_line("INIT VIDEO MODE: " + itos(w) + "," + itos(h));
//engine->os->set_egl_extensions(eglQueryString(display,EGL_EXTENSIONS));
engine->os->init_video_mode(w, h);
engine->display = display;
engine->context = context;
engine->surface = surface;
engine->width = w;
engine->height = h;
engine->display_active = true;
//engine->state.angle = 0;
// Initialize GL state.
//glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
glEnable(GL_CULL_FACE);
// glShadeModel(GL_SMOOTH);
glDisable(GL_DEPTH_TEST);
LOGI("GL Version: %s - %s %s\n", glGetString(GL_VERSION), glGetString(GL_VENDOR), glGetString(GL_RENDERER));
return 0;
}
static void engine_draw_frame(struct engine *engine) {
if (engine->display == NULL) {
// No display.
return;
}
// Just fill the screen with a color.
//glClearColor(0,1,0,1);
//glClear(GL_COLOR_BUFFER_BIT);
if (engine->os && engine->os->main_loop_iterate() == true) {
engine->requested_quit = true;
return; //should exit instead
}
eglSwapBuffers(engine->display, engine->surface);
}
static void engine_term_display(struct engine *engine) {
if (engine->display != EGL_NO_DISPLAY) {
eglMakeCurrent(engine->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (engine->context != EGL_NO_CONTEXT) {
eglDestroyContext(engine->display, engine->context);
}
if (engine->surface != EGL_NO_SURFACE) {
eglDestroySurface(engine->display, engine->surface);
}
eglTerminate(engine->display);
}
engine->animating = 0;
engine->display = EGL_NO_DISPLAY;
engine->context = EGL_NO_CONTEXT;
engine->surface = EGL_NO_SURFACE;
engine->display_active = false;
}
/**
* Process the next input event.
*/
static int32_t engine_handle_input(struct android_app *app, AInputEvent *event) {
struct engine *engine = (struct engine *)app->userData;
if (!engine->os)
return 0;
switch (AInputEvent_getType(event)) {
case AINPUT_EVENT_TYPE_KEY: {
int ac = AKeyEvent_getAction(event);
switch (ac) {
case AKEY_EVENT_ACTION_DOWN: {
int32_t code = AKeyEvent_getKeyCode(event);
if (code == AKEYCODE_BACK) {
//AInputQueue_finishEvent(AInputQueue* queue, AInputEvent* event, int handled);
if (engine->os)
engine->os->main_loop_request_quit();
return 1;
}
} break;
case AKEY_EVENT_ACTION_UP: {
} break;
}
} break;
case AINPUT_EVENT_TYPE_MOTION: {
Vector<OS_Android::TouchPos> touchvec;
int pc = AMotionEvent_getPointerCount(event);
touchvec.resize(pc);
for (int i = 0; i < pc; i++) {
touchvec[i].pos.x = AMotionEvent_getX(event, i);
touchvec[i].pos.y = AMotionEvent_getY(event, i);
touchvec[i].id = AMotionEvent_getPointerId(event, i);
}
//System.out.printf("gaction: %d\n",event.getAction());
int pidx = (AMotionEvent_getAction(event) & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> 8;
switch (AMotionEvent_getAction(event) & AMOTION_EVENT_ACTION_MASK) {
case AMOTION_EVENT_ACTION_DOWN: {
engine->os->process_touch(0, 0, touchvec);
//System.out.printf("action down at: %f,%f\n", event.getX(),event.getY());
} break;
case AMOTION_EVENT_ACTION_MOVE: {
engine->os->process_touch(1, 0, touchvec);
/*
for(int i=0;i<event.getPointerCount();i++) {
System.out.printf("%d - moved to: %f,%f\n",i, event.getX(i),event.getY(i));
}
*/
} break;
case AMOTION_EVENT_ACTION_POINTER_UP: {
engine->os->process_touch(4, pidx, touchvec);
//System.out.printf("%d - s.up at: %f,%f\n",pointer_idx, event.getX(pointer_idx),event.getY(pointer_idx));
} break;
case AMOTION_EVENT_ACTION_POINTER_DOWN: {
engine->os->process_touch(3, pidx, touchvec);
//System.out.printf("%d - s.down at: %f,%f\n",pointer_idx, event.getX(pointer_idx),event.getY(pointer_idx));
} break;
case AMOTION_EVENT_ACTION_CANCEL:
case AMOTION_EVENT_ACTION_UP: {
engine->os->process_touch(2, 0, touchvec);
/*
for(int i=0;i<event.getPointerCount();i++) {
System.out.printf("%d - up! %f,%f\n",i, event.getX(i),event.getY(i));
}
*/
} break;
}
return 1;
} break;
}
return 0;
}
/**
* Process the next main command.
*/
static void _gfx_init(void *ud, bool p_gl2) {
struct engine *engine = (struct engine *)ud;
engine_init_display(engine, p_gl2);
}
static void engine_handle_cmd(struct android_app *app, int32_t cmd) {
struct engine *engine = (struct engine *)app->userData;
// LOGI("**** CMD %i\n",cmd);
switch (cmd) {
case APP_CMD_SAVE_STATE:
// The system has asked us to save our current state. Do so.
//engine->app->savedState = malloc(sizeof(struct saved_state));
//*((struct saved_state*)engine->app->savedState) = engine->state;
//engine->app->savedStateSize = sizeof(struct saved_state);
break;
case APP_CMD_CONFIG_CHANGED:
case APP_CMD_WINDOW_RESIZED: {
#if 0
// android blows
if (engine->display_active) {
EGLint w,h;
eglQuerySurface(engine->display, engine->surface, EGL_WIDTH, &w);
eglQuerySurface(engine->display, engine->surface, EGL_HEIGHT, &h);
engine->os->init_video_mode(w,h);
//print_line("RESIZED VIDEO MODE: "+itos(w)+","+itos(h));
engine_draw_frame(engine);
}
#else
if (engine->display_active) {
EGLint w, h;
eglQuerySurface(engine->display, engine->surface, EGL_WIDTH, &w);
eglQuerySurface(engine->display, engine->surface, EGL_HEIGHT, &h);
// if (w==engine->os->get_video_mode().width && h==engine->os->get_video_mode().height)
// break;
engine_term_display(engine);
}
engine->os->reload_gfx();
engine_draw_frame(engine);
engine->animating = 1;
/*
EGLint w,h;
eglQuerySurface(engine->display, engine->surface, EGL_WIDTH, &w);
eglQuerySurface(engine->display, engine->surface, EGL_HEIGHT, &h);
engine->os->init_video_mode(w,h);
//print_line("RESIZED VIDEO MODE: "+itos(w)+","+itos(h));
}*/
#endif
} break;
case APP_CMD_INIT_WINDOW:
//The window is being shown, get it ready.
//LOGI("INIT WINDOW");
if (engine->app->window != NULL) {
if (engine->os == NULL) {
//do initialization here, when there's OpenGL! hackish but the only way
engine->os = new OS_Android(_gfx_init, engine);
//char *args[]={"-test","gui",NULL};
__android_log_print(ANDROID_LOG_INFO, "godot", "pre asdasd setup...");
#if 0
Error err = Main::setup("apk",2,args);
#else
Error err = Main::setup("apk", 0, NULL);
String modules = ProjectSettings::get_singleton()->get("android/modules");
Vector<String> mods = modules.split(",", false);
mods.push_back("GodotOS");
__android_log_print(ANDROID_LOG_INFO, "godot", "mod count: %i", mods.size());
if (mods.size()) {
jclass activityClass = engine->jni->FindClass("android/app/NativeActivity");
jmethodID getClassLoader = engine->jni->GetMethodID(activityClass, "getClassLoader", "()Ljava/lang/ClassLoader;");
jobject cls = engine->jni->CallObjectMethod(app->activity->clazz, getClassLoader);
jclass classLoader = engine->jni->FindClass("java/lang/ClassLoader");
jmethodID findClass = engine->jni->GetMethodID(classLoader, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
static JNINativeMethod methods[] = {
{ "registerSingleton", "(Ljava/lang/String;Ljava/lang/Object;)V", (void *)&Java_org_godotengine_godot_Godot_registerSingleton },
{ "registerMethod", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;[Ljava/lang/String;)V", (void *)&Java_org_godotengine_godot_Godot_registerMethod },
{ "getGlobal", "(Ljava/lang/String;)Ljava/lang/String;", (void *)&Java_org_godotengine_godot_Godot_getGlobal },
};
jstring gstrClassName = engine->jni->NewStringUTF("org/godotengine/godot/Godot");
jclass GodotClass = (jclass)engine->jni->CallObjectMethod(cls, findClass, gstrClassName);
__android_log_print(ANDROID_LOG_INFO, "godot", "godot ****^*^*?^*^*class data %x", GodotClass);
engine->jni->RegisterNatives(GodotClass, methods, sizeof(methods) / sizeof(methods[0]));
for (int i = 0; i < mods.size(); i++) {
String m = mods[i];
//jclass singletonClass = engine->jni->FindClass(m.utf8().get_data());
jstring strClassName = engine->jni->NewStringUTF(m.utf8().get_data());
jclass singletonClass = (jclass)engine->jni->CallObjectMethod(cls, findClass, strClassName);
__android_log_print(ANDROID_LOG_INFO, "godot", "****^*^*?^*^*class data %x", singletonClass);
jmethodID initialize = engine->jni->GetStaticMethodID(singletonClass, "initialize", "(Landroid/app/Activity;)Lorg/godotengine/godot/Godot$SingletonBase;");
jobject obj = engine->jni->CallStaticObjectMethod(singletonClass, initialize, app->activity->clazz);
__android_log_print(ANDROID_LOG_INFO, "godot", "****^*^*?^*^*class instance %x", obj);
jobject gob = engine->jni->NewGlobalRef(obj);
}
}
#endif
if (!Main::start())
return; //should exit instead and print the error
engine->os->main_loop_begin();
} else {
//i guess recreate resources?
engine->os->reload_gfx();
}
engine->animating = 1;
engine_draw_frame(engine);
}
break;
case APP_CMD_TERM_WINDOW:
// The window is being hidden or closed, clean it up.
//LOGI("TERM WINDOW");
engine_term_display(engine);
break;
case APP_CMD_GAINED_FOCUS:
// When our app gains focus, we start monitoring the accelerometer.
if (engine->accelerometerSensor != NULL) {
ASensorEventQueue_enableSensor(engine->sensorEventQueue,
engine->accelerometerSensor);
// We'd like to get 60 events per second (in us).
ASensorEventQueue_setEventRate(engine->sensorEventQueue,
engine->accelerometerSensor, (1000L / 60) * 1000);
}
// Also start monitoring the magnetometer.
if (engine->magnetometerSensor != NULL) {
ASensorEventQueue_enableSensor(engine->sensorEventQueue,
engine->magnetometerSensor);
// We'd like to get 60 events per second (in us).
ASensorEventQueue_setEventRate(engine->sensorEventQueue,
engine->magnetometerSensor, (1000L / 60) * 1000);
}
// And the gyroscope.
if (engine->gyroscopeSensor != NULL) {
ASensorEventQueue_enableSensor(engine->sensorEventQueue,
engine->gyroscopeSensor);
// We'd like to get 60 events per second (in us).
ASensorEventQueue_setEventRate(engine->sensorEventQueue,
engine->gyroscopeSensor, (1000L / 60) * 1000);
}
engine->animating = 1;
break;
case APP_CMD_LOST_FOCUS:
// When our app loses focus, we stop monitoring the sensors.
// This is to avoid consuming battery while not being used.
if (engine->accelerometerSensor != NULL) {
ASensorEventQueue_disableSensor(engine->sensorEventQueue,
engine->accelerometerSensor);
}
if (engine->magnetometerSensor != NULL) {
ASensorEventQueue_disableSensor(engine->sensorEventQueue,
engine->magnetometerSensor);
}
if (engine->gyroscopeSensor != NULL) {
ASensorEventQueue_disableSensor(engine->sensorEventQueue,
engine->gyroscopeSensor);
}
// Also stop animating.
engine->animating = 0;
engine_draw_frame(engine);
break;
}
}
void android_main(struct android_app *app) {
struct engine engine;
// Make sure glue isn't stripped.
app_dummy();
memset(&engine, 0, sizeof(engine));
app->userData = &engine;
app->onAppCmd = engine_handle_cmd;
app->onInputEvent = engine_handle_input;
engine.app = app;
engine.requested_quit = false;
engine.os = NULL;
engine.display_active = false;
FileAccessAndroid::asset_manager = app->activity->assetManager;
// Prepare to monitor sensors
engine.sensorManager = ASensorManager_getInstance();
engine.accelerometerSensor = ASensorManager_getDefaultSensor(engine.sensorManager,
ASENSOR_TYPE_ACCELEROMETER);
engine.magnetometerSensor = ASensorManager_getDefaultSensor(engine.sensorManager,
ASENSOR_TYPE_MAGNETIC_FIELD);
engine.gyroscopeSensor = ASensorManager_getDefaultSensor(engine.sensorManager,
ASENSOR_TYPE_GYROSCOPE);
engine.sensorEventQueue = ASensorManager_createEventQueue(engine.sensorManager,
app->looper, LOOPER_ID_USER, NULL, NULL);
ANativeActivity_setWindowFlags(app->activity, AWINDOW_FLAG_FULLSCREEN | AWINDOW_FLAG_KEEP_SCREEN_ON, 0);
app->activity->vm->AttachCurrentThread(&engine.jni, NULL);
// loop waiting for stuff to do.
while (1) {
// Read all pending events.
int ident;
int events;
struct android_poll_source *source;
// If not animating, we will block forever waiting for events.
// If animating, we loop until all events are read, then continue
// to draw the next frame of animation.
int nullmax = 50;
while ((ident = ALooper_pollAll(engine.animating ? 0 : -1, NULL, &events,
(void **)&source)) >= 0) {
// Process this event.
if (source != NULL) {
// LOGI("process\n");
source->process(app, source);
} else {
nullmax--;
if (nullmax < 0)
break;
}
// If a sensor has data, process it now.
// LOGI("events\n");
if (ident == LOOPER_ID_USER) {
if (engine.accelerometerSensor != NULL || engine.magnetometerSensor != NULL || engine.gyroscopeSensor != NULL) {
ASensorEvent event;
while (ASensorEventQueue_getEvents(engine.sensorEventQueue,
&event, 1) > 0) {
if (engine.os) {
if (event.acceleration != NULL) {
engine.os->process_accelerometer(Vector3(event.acceleration.x, event.acceleration.y,
event.acceleration.z));
}
if (event.magnetic != NULL) {
engine.os->process_magnetometer(Vector3(event.magnetic.x, event.magnetic.y,
event.magnetic.z));
}
if (event.vector != NULL) {
engine.os->process_gyroscope(Vector3(event.vector.x, event.vector.y,
event.vector.z));
}
}
}
}
}
// Check if we are exiting.
if (app->destroyRequested != 0) {
if (engine.os) {
engine.os->main_loop_request_quit();
}
app->destroyRequested = 0;
}
if (engine.requested_quit) {
engine_term_display(&engine);
exit(0);
return;
}
// LOGI("end\n");
}
// LOGI("engine animating? %i\n",engine.animating);
if (engine.animating) {
//do os render
engine_draw_frame(&engine);
//LOGI("TERM WINDOW");
}
}
}
JNIEXPORT void JNICALL Java_org_godotengine_godot_Godot_registerSingleton(JNIEnv *env, jobject obj, jstring name, jobject p_object) {
String singname = env->GetStringUTFChars(name, NULL);
JNISingleton *s = memnew(JNISingleton);
s->update_env(env);
s->set_instance(env->NewGlobalRef(p_object));
jni_singletons[singname] = s;
ProjectSettings::get_singleton()->add_singleton(ProjectSettings::Singleton(singname, s));
}
static Variant::Type get_jni_type(const String &p_type) {
static struct {
const char *name;
Variant::Type type;
} _type_to_vtype[] = {
{ "void", Variant::NIL },
{ "boolean", Variant::BOOL },
{ "int", Variant::INT },
{ "float", Variant::REAL },
{ "java.lang.String", Variant::STRING },
{ "[I", Variant::INT_ARRAY },
{ "[F", Variant::REAL_ARRAY },
{ "[Ljava.lang.String;", Variant::STRING_ARRAY },
{ NULL, Variant::NIL }
};
int idx = 0;
while (_type_to_vtype[idx].name) {
if (p_type == _type_to_vtype[idx].name)
return _type_to_vtype[idx].type;
idx++;
}
return Variant::NIL;
}
static const char *get_jni_sig(const String &p_type) {
static struct {
const char *name;
const char *sig;
} _type_to_vtype[] = {
{ "void", "V" },
{ "boolean", "Z" },
{ "int", "I" },
{ "float", "F" },
{ "java.lang.String", "Ljava/lang/String;" },
{ "[I", "[I" },
{ "[F", "[F" },
{ "[Ljava.lang.String;", "[Ljava/lang/String;" },
{ NULL, "V" }
};
int idx = 0;
while (_type_to_vtype[idx].name) {
if (p_type == _type_to_vtype[idx].name)
return _type_to_vtype[idx].sig;
idx++;
}
return "";
}
JNIEXPORT jstring JNICALL Java_org_godotengine_godot_Godot_getGlobal(JNIEnv *env, jobject obj, jstring path) {
String js = env->GetStringUTFChars(path, NULL);
return env->NewStringUTF(ProjectSettings::get_singleton()->get(js).operator String().utf8().get_data());
}
JNIEXPORT void JNICALL Java_org_godotengine_godot_Godot_registerMethod(JNIEnv *env, jobject obj, jstring sname, jstring name, jstring ret, jobjectArray args) {
String singname = env->GetStringUTFChars(sname, NULL);
ERR_FAIL_COND(!jni_singletons.has(singname));
JNISingleton *s = jni_singletons.get(singname);
String mname = env->GetStringUTFChars(name, NULL);
String retval = env->GetStringUTFChars(ret, NULL);
Vector<Variant::Type> types;
String cs = "(";
int stringCount = env->GetArrayLength(args);
print_line("Singl: " + singname + " Method: " + mname + " RetVal: " + retval);
for (int i = 0; i < stringCount; i++) {
jstring string = (jstring)env->GetObjectArrayElement(args, i);
const char *rawString = env->GetStringUTFChars(string, 0);
types.push_back(get_jni_type(String(rawString)));
cs += get_jni_sig(String(rawString));
}
cs += ")";
cs += get_jni_sig(retval);
jclass cls = env->GetObjectClass(s->get_instance());
print_line("METHOD: " + mname + " sig: " + cs);
jmethodID mid = env->GetMethodID(cls, mname.ascii().get_data(), cs.ascii().get_data());
if (!mid) {
print_line("FAILED GETTING METHOID " + mname);
}
s->add_method(mname, mid, types, get_jni_type(retval));
}
#endif
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