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Code Issues Releases Wiki Activity

add native android app (WIP)

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XProger
2020-01-03 03:09:41 +03:00
parent 26bb1cbf08
commit 58207b536f
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438
src/platform/android/native_wip/android_native_app_glue.c Normal file
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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <jni.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/resource.h>
#include "android_native_app_glue.h"
#include <android/log.h>
#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "threaded_app", __VA_ARGS__))
#define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, "threaded_app", __VA_ARGS__))
/* For debug builds, always enable the debug traces in this library */
#ifndef NDEBUG
# define LOGV(...) ((void)__android_log_print(ANDROID_LOG_VERBOSE, "threaded_app", __VA_ARGS__))
#else
# define LOGV(...) ((void)0)
#endif
static void free_saved_state(struct android_app* android_app) {
pthread_mutex_lock(&android_app->mutex);
if (android_app->savedState != NULL) {
free(android_app->savedState);
android_app->savedState = NULL;
android_app->savedStateSize = 0;
}
pthread_mutex_unlock(&android_app->mutex);
}
int8_t android_app_read_cmd(struct android_app* android_app) {
int8_t cmd;
if (read(android_app->msgread, &cmd, sizeof(cmd)) == sizeof(cmd)) {
switch (cmd) {
case APP_CMD_SAVE_STATE:
free_saved_state(android_app);
break;
}
return cmd;
} else {
LOGE("No data on command pipe!");
}
return -1;
}
static void print_cur_config(struct android_app* android_app) {
char lang[2], country[2];
AConfiguration_getLanguage(android_app->config, lang);
AConfiguration_getCountry(android_app->config, country);
LOGV("Config: mcc=%d mnc=%d lang=%c%c cnt=%c%c orien=%d touch=%d dens=%d "
"keys=%d nav=%d keysHid=%d navHid=%d sdk=%d size=%d long=%d "
"modetype=%d modenight=%d",
AConfiguration_getMcc(android_app->config),
AConfiguration_getMnc(android_app->config),
lang[0], lang[1], country[0], country[1],
AConfiguration_getOrientation(android_app->config),
AConfiguration_getTouchscreen(android_app->config),
AConfiguration_getDensity(android_app->config),
AConfiguration_getKeyboard(android_app->config),
AConfiguration_getNavigation(android_app->config),
AConfiguration_getKeysHidden(android_app->config),
AConfiguration_getNavHidden(android_app->config),
AConfiguration_getSdkVersion(android_app->config),
AConfiguration_getScreenSize(android_app->config),
AConfiguration_getScreenLong(android_app->config),
AConfiguration_getUiModeType(android_app->config),
AConfiguration_getUiModeNight(android_app->config));
}
void android_app_pre_exec_cmd(struct android_app* android_app, int8_t cmd) {
switch (cmd) {
case APP_CMD_INPUT_CHANGED:
LOGV("APP_CMD_INPUT_CHANGED\n");
pthread_mutex_lock(&android_app->mutex);
if (android_app->inputQueue != NULL) {
AInputQueue_detachLooper(android_app->inputQueue);
}
android_app->inputQueue = android_app->pendingInputQueue;
if (android_app->inputQueue != NULL) {
LOGV("Attaching input queue to looper");
AInputQueue_attachLooper(android_app->inputQueue,
android_app->looper, LOOPER_ID_INPUT, NULL,
&android_app->inputPollSource);
}
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
break;
case APP_CMD_INIT_WINDOW:
LOGV("APP_CMD_INIT_WINDOW\n");
pthread_mutex_lock(&android_app->mutex);
android_app->window = android_app->pendingWindow;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
break;
case APP_CMD_TERM_WINDOW:
LOGV("APP_CMD_TERM_WINDOW\n");
pthread_cond_broadcast(&android_app->cond);
break;
case APP_CMD_RESUME:
case APP_CMD_START:
case APP_CMD_PAUSE:
case APP_CMD_STOP:
LOGV("activityState=%d\n", cmd);
pthread_mutex_lock(&android_app->mutex);
android_app->activityState = cmd;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
break;
case APP_CMD_CONFIG_CHANGED:
LOGV("APP_CMD_CONFIG_CHANGED\n");
AConfiguration_fromAssetManager(android_app->config,
android_app->activity->assetManager);
print_cur_config(android_app);
break;
case APP_CMD_DESTROY:
LOGV("APP_CMD_DESTROY\n");
android_app->destroyRequested = 1;
break;
}
}
void android_app_post_exec_cmd(struct android_app* android_app, int8_t cmd) {
switch (cmd) {
case APP_CMD_TERM_WINDOW:
LOGV("APP_CMD_TERM_WINDOW\n");
pthread_mutex_lock(&android_app->mutex);
android_app->window = NULL;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
break;
case APP_CMD_SAVE_STATE:
LOGV("APP_CMD_SAVE_STATE\n");
pthread_mutex_lock(&android_app->mutex);
android_app->stateSaved = 1;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
break;
case APP_CMD_RESUME:
free_saved_state(android_app);
break;
}
}
static void android_app_destroy(struct android_app* android_app) {
LOGV("android_app_destroy!");
free_saved_state(android_app);
pthread_mutex_lock(&android_app->mutex);
if (android_app->inputQueue != NULL) {
AInputQueue_detachLooper(android_app->inputQueue);
}
AConfiguration_delete(android_app->config);
android_app->destroyed = 1;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
// Can't touch android_app object after this.
}
static void process_input(struct android_app* app, struct android_poll_source* source) {
AInputEvent* event = NULL;
while (AInputQueue_getEvent(app->inputQueue, &event) >= 0) {
LOGV("New input event: type=%d\n", AInputEvent_getType(event));
if (AInputQueue_preDispatchEvent(app->inputQueue, event)) {
continue;
}
int32_t handled = 0;
if (app->onInputEvent != NULL) handled = app->onInputEvent(app, event);
AInputQueue_finishEvent(app->inputQueue, event, handled);
}
}
static void process_cmd(struct android_app* app, struct android_poll_source* source) {
int8_t cmd = android_app_read_cmd(app);
android_app_pre_exec_cmd(app, cmd);
if (app->onAppCmd != NULL) app->onAppCmd(app, cmd);
android_app_post_exec_cmd(app, cmd);
}
static void* android_app_entry(void* param) {
struct android_app* android_app = (struct android_app*)param;
android_app->config = AConfiguration_new();
AConfiguration_fromAssetManager(android_app->config, android_app->activity->assetManager);
print_cur_config(android_app);
android_app->cmdPollSource.id = LOOPER_ID_MAIN;
android_app->cmdPollSource.app = android_app;
android_app->cmdPollSource.process = process_cmd;
android_app->inputPollSource.id = LOOPER_ID_INPUT;
android_app->inputPollSource.app = android_app;
android_app->inputPollSource.process = process_input;
ALooper* looper = ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS);
ALooper_addFd(looper, android_app->msgread, LOOPER_ID_MAIN, ALOOPER_EVENT_INPUT, NULL,
&android_app->cmdPollSource);
android_app->looper = looper;
pthread_mutex_lock(&android_app->mutex);
android_app->running = 1;
pthread_cond_broadcast(&android_app->cond);
pthread_mutex_unlock(&android_app->mutex);
android_main(android_app);
android_app_destroy(android_app);
return NULL;
}
// --------------------------------------------------------------------
// Native activity interaction (called from main thread)
// --------------------------------------------------------------------
static struct android_app* android_app_create(ANativeActivity* activity,
void* savedState, size_t savedStateSize) {
struct android_app* android_app = (struct android_app*)malloc(sizeof(struct android_app));
memset(android_app, 0, sizeof(struct android_app));
android_app->activity = activity;
pthread_mutex_init(&android_app->mutex, NULL);
pthread_cond_init(&android_app->cond, NULL);
if (savedState != NULL) {
android_app->savedState = malloc(savedStateSize);
android_app->savedStateSize = savedStateSize;
memcpy(android_app->savedState, savedState, savedStateSize);
}
int msgpipe[2];
if (pipe(msgpipe)) {
LOGE("could not create pipe: %s", strerror(errno));
return NULL;
}
android_app->msgread = msgpipe[0];
android_app->msgwrite = msgpipe[1];
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
pthread_create(&android_app->thread, &attr, android_app_entry, android_app);
// Wait for thread to start.
pthread_mutex_lock(&android_app->mutex);
while (!android_app->running) {
pthread_cond_wait(&android_app->cond, &android_app->mutex);
}
pthread_mutex_unlock(&android_app->mutex);
return android_app;
}
static void android_app_write_cmd(struct android_app* android_app, int8_t cmd) {
if (write(android_app->msgwrite, &cmd, sizeof(cmd)) != sizeof(cmd)) {
LOGE("Failure writing android_app cmd: %s\n", strerror(errno));
}
}
static void android_app_set_input(struct android_app* android_app, AInputQueue* inputQueue) {
pthread_mutex_lock(&android_app->mutex);
android_app->pendingInputQueue = inputQueue;
android_app_write_cmd(android_app, APP_CMD_INPUT_CHANGED);
while (android_app->inputQueue != android_app->pendingInputQueue) {
pthread_cond_wait(&android_app->cond, &android_app->mutex);
}
pthread_mutex_unlock(&android_app->mutex);
}
static void android_app_set_window(struct android_app* android_app, ANativeWindow* window) {
pthread_mutex_lock(&android_app->mutex);
if (android_app->pendingWindow != NULL) {
android_app_write_cmd(android_app, APP_CMD_TERM_WINDOW);
}
android_app->pendingWindow = window;
if (window != NULL) {
android_app_write_cmd(android_app, APP_CMD_INIT_WINDOW);
}
while (android_app->window != android_app->pendingWindow) {
pthread_cond_wait(&android_app->cond, &android_app->mutex);
}
pthread_mutex_unlock(&android_app->mutex);
}
static void android_app_set_activity_state(struct android_app* android_app, int8_t cmd) {
pthread_mutex_lock(&android_app->mutex);
android_app_write_cmd(android_app, cmd);
while (android_app->activityState != cmd) {
pthread_cond_wait(&android_app->cond, &android_app->mutex);
}
pthread_mutex_unlock(&android_app->mutex);
}
static void android_app_free(struct android_app* android_app) {
pthread_mutex_lock(&android_app->mutex);
android_app_write_cmd(android_app, APP_CMD_DESTROY);
while (!android_app->destroyed) {
pthread_cond_wait(&android_app->cond, &android_app->mutex);
}
pthread_mutex_unlock(&android_app->mutex);
close(android_app->msgread);
close(android_app->msgwrite);
pthread_cond_destroy(&android_app->cond);
pthread_mutex_destroy(&android_app->mutex);
free(android_app);
}
static void onDestroy(ANativeActivity* activity) {
LOGV("Destroy: %p\n", activity);
android_app_free((struct android_app*)activity->instance);
}
static void onStart(ANativeActivity* activity) {
LOGV("Start: %p\n", activity);
android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_START);
}
static void onResume(ANativeActivity* activity) {
LOGV("Resume: %p\n", activity);
android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_RESUME);
}
static void* onSaveInstanceState(ANativeActivity* activity, size_t* outLen) {
struct android_app* android_app = (struct android_app*)activity->instance;
void* savedState = NULL;
LOGV("SaveInstanceState: %p\n", activity);
pthread_mutex_lock(&android_app->mutex);
android_app->stateSaved = 0;
android_app_write_cmd(android_app, APP_CMD_SAVE_STATE);
while (!android_app->stateSaved) {
pthread_cond_wait(&android_app->cond, &android_app->mutex);
}
if (android_app->savedState != NULL) {
savedState = android_app->savedState;
*outLen = android_app->savedStateSize;
android_app->savedState = NULL;
android_app->savedStateSize = 0;
}
pthread_mutex_unlock(&android_app->mutex);
return savedState;
}
static void onPause(ANativeActivity* activity) {
LOGV("Pause: %p\n", activity);
android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_PAUSE);
}
static void onStop(ANativeActivity* activity) {
LOGV("Stop: %p\n", activity);
android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_STOP);
}
static void onConfigurationChanged(ANativeActivity* activity) {
struct android_app* android_app = (struct android_app*)activity->instance;
LOGV("ConfigurationChanged: %p\n", activity);
android_app_write_cmd(android_app, APP_CMD_CONFIG_CHANGED);
}
static void onLowMemory(ANativeActivity* activity) {
struct android_app* android_app = (struct android_app*)activity->instance;
LOGV("LowMemory: %p\n", activity);
android_app_write_cmd(android_app, APP_CMD_LOW_MEMORY);
}
static void onWindowFocusChanged(ANativeActivity* activity, int focused) {
LOGV("WindowFocusChanged: %p -- %d\n", activity, focused);
android_app_write_cmd((struct android_app*)activity->instance,
focused ? APP_CMD_GAINED_FOCUS : APP_CMD_LOST_FOCUS);
}
static void onNativeWindowCreated(ANativeActivity* activity, ANativeWindow* window) {
LOGV("NativeWindowCreated: %p -- %p\n", activity, window);
android_app_set_window((struct android_app*)activity->instance, window);
}
static void onNativeWindowDestroyed(ANativeActivity* activity, ANativeWindow* window) {
LOGV("NativeWindowDestroyed: %p -- %p\n", activity, window);
android_app_set_window((struct android_app*)activity->instance, NULL);
}
static void onInputQueueCreated(ANativeActivity* activity, AInputQueue* queue) {
LOGV("InputQueueCreated: %p -- %p\n", activity, queue);
android_app_set_input((struct android_app*)activity->instance, queue);
}
static void onInputQueueDestroyed(ANativeActivity* activity, AInputQueue* queue) {
LOGV("InputQueueDestroyed: %p -- %p\n", activity, queue);
android_app_set_input((struct android_app*)activity->instance, NULL);
}
__attribute__ ((visibility("default")))
void ANativeActivity_onCreate(ANativeActivity* activity, void* savedState, size_t savedStateSize) {
LOGV("Creating: %p\n", activity);
activity->callbacks->onDestroy = onDestroy;
activity->callbacks->onStart = onStart;
activity->callbacks->onResume = onResume;
activity->callbacks->onSaveInstanceState = onSaveInstanceState;
activity->callbacks->onPause = onPause;
activity->callbacks->onStop = onStop;
activity->callbacks->onConfigurationChanged = onConfigurationChanged;
activity->callbacks->onLowMemory = onLowMemory;
activity->callbacks->onWindowFocusChanged = onWindowFocusChanged;
activity->callbacks->onNativeWindowCreated = onNativeWindowCreated;
activity->callbacks->onNativeWindowDestroyed = onNativeWindowDestroyed;
activity->callbacks->onInputQueueCreated = onInputQueueCreated;
activity->callbacks->onInputQueueDestroyed = onInputQueueDestroyed;
activity->instance = android_app_create(activity, savedState, savedStateSize);
}

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src/platform/android/native_wip/android_native_app_glue.h Normal file
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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef _ANDROID_NATIVE_APP_GLUE_H
#define _ANDROID_NATIVE_APP_GLUE_H
#include <poll.h>
#include <pthread.h>
#include <sched.h>
#include <android/configuration.h>
#include <android/looper.h>
#include <android/native_activity.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* The native activity interface provided by <android/native_activity.h>
* is based on a set of application-provided callbacks that will be called
* by the Activity's main thread when certain events occur.
*
* This means that each one of this callbacks _should_ _not_ block, or they
* risk having the system force-close the application. This programming
* model is direct, lightweight, but constraining.
*
* The 'threaded_native_app' static library is used to provide a different
* execution model where the application can implement its own main event
* loop in a different thread instead. Here's how it works:
*
* 1/ The application must provide a function named "android_main()" that
* will be called when the activity is created, in a new thread that is
* distinct from the activity's main thread.
*
* 2/ android_main() receives a pointer to a valid "android_app" structure
* that contains references to other important objects, e.g. the
* ANativeActivity obejct instance the application is running in.
*
* 3/ the "android_app" object holds an ALooper instance that already
* listens to two important things:
*
* - activity lifecycle events (e.g. "pause", "resume"). See APP_CMD_XXX
* declarations below.
*
* - input events coming from the AInputQueue attached to the activity.
*
* Each of these correspond to an ALooper identifier returned by
* ALooper_pollOnce with values of LOOPER_ID_MAIN and LOOPER_ID_INPUT,
* respectively.
*
* Your application can use the same ALooper to listen to additional
* file-descriptors. They can either be callback based, or with return
* identifiers starting with LOOPER_ID_USER.
*
* 4/ Whenever you receive a LOOPER_ID_MAIN or LOOPER_ID_INPUT event,
* the returned data will point to an android_poll_source structure. You
* can call the process() function on it, and fill in android_app->onAppCmd
* and android_app->onInputEvent to be called for your own processing
* of the event.
*
* Alternatively, you can call the low-level functions to read and process
* the data directly... look at the process_cmd() and process_input()
* implementations in the glue to see how to do this.
*
* See the sample named "native-activity" that comes with the NDK with a
* full usage example. Also look at the JavaDoc of NativeActivity.
*/
struct android_app;
/**
* Data associated with an ALooper fd that will be returned as the "outData"
* when that source has data ready.
*/
struct android_poll_source {
// The identifier of this source. May be LOOPER_ID_MAIN or
// LOOPER_ID_INPUT.
int32_t id;
// The android_app this ident is associated with.
struct android_app* app;
// Function to call to perform the standard processing of data from
// this source.
void (*process)(struct android_app* app, struct android_poll_source* source);
};
/**
* This is the interface for the standard glue code of a threaded
* application. In this model, the application's code is running
* in its own thread separate from the main thread of the process.
* It is not required that this thread be associated with the Java
* VM, although it will need to be in order to make JNI calls any
* Java objects.
*/
struct android_app {
// The application can place a pointer to its own state object
// here if it likes.
void* userData;
// Fill this in with the function to process main app commands (APP_CMD_*)
void (*onAppCmd)(struct android_app* app, int32_t cmd);
// Fill this in with the function to process input events. At this point
// the event has already been pre-dispatched, and it will be finished upon
// return. Return 1 if you have handled the event, 0 for any default
// dispatching.
int32_t (*onInputEvent)(struct android_app* app, AInputEvent* event);
// The ANativeActivity object instance that this app is running in.
ANativeActivity* activity;
// The current configuration the app is running in.
AConfiguration* config;
// This is the last instance's saved state, as provided at creation time.
// It is NULL if there was no state. You can use this as you need; the
// memory will remain around until you call android_app_exec_cmd() for
// APP_CMD_RESUME, at which point it will be freed and savedState set to NULL.
// These variables should only be changed when processing a APP_CMD_SAVE_STATE,
// at which point they will be initialized to NULL and you can malloc your
// state and place the information here. In that case the memory will be
// freed for you later.
void* savedState;
size_t savedStateSize;
// The ALooper associated with the app's thread.
ALooper* looper;
// When non-NULL, this is the input queue from which the app will
// receive user input events.
AInputQueue* inputQueue;
// When non-NULL, this is the window surface that the app can draw in.
ANativeWindow* window;
// Current content rectangle of the window; this is the area where the
// window's content should be placed to be seen by the user.
ARect contentRect;
// Current state of the app's activity. May be either APP_CMD_START,
// APP_CMD_RESUME, APP_CMD_PAUSE, or APP_CMD_STOP; see below.
int activityState;
// This is non-zero when the application's NativeActivity is being
// destroyed and waiting for the app thread to complete.
int destroyRequested;
// -------------------------------------------------
// Below are "private" implementation of the glue code.
pthread_mutex_t mutex;
pthread_cond_t cond;
int msgread;
int msgwrite;
pthread_t thread;
struct android_poll_source cmdPollSource;
struct android_poll_source inputPollSource;
int running;
int stateSaved;
int destroyed;
int redrawNeeded;
AInputQueue* pendingInputQueue;
ANativeWindow* pendingWindow;
ARect pendingContentRect;
};
enum {
/**
* Looper data ID of commands coming from the app's main thread, which
* is returned as an identifier from ALooper_pollOnce(). The data for this
* identifier is a pointer to an android_poll_source structure.
* These can be retrieved and processed with android_app_read_cmd()
* and android_app_exec_cmd().
*/
LOOPER_ID_MAIN = 1,
/**
* Looper data ID of events coming from the AInputQueue of the
* application's window, which is returned as an identifier from
* ALooper_pollOnce(). The data for this identifier is a pointer to an
* android_poll_source structure. These can be read via the inputQueue
* object of android_app.
*/
LOOPER_ID_INPUT = 2,
/**
* Start of user-defined ALooper identifiers.
*/
LOOPER_ID_USER = 3,
};
enum {
/**
* Command from main thread: the AInputQueue has changed. Upon processing
* this command, android_app->inputQueue will be updated to the new queue
* (or NULL).
*/
APP_CMD_INPUT_CHANGED,
/**
* Command from main thread: a new ANativeWindow is ready for use. Upon
* receiving this command, android_app->window will contain the new window
* surface.
*/
APP_CMD_INIT_WINDOW,
/**
* Command from main thread: the existing ANativeWindow needs to be
* terminated. Upon receiving this command, android_app->window still
* contains the existing window; after calling android_app_exec_cmd
* it will be set to NULL.
*/
APP_CMD_TERM_WINDOW,
/**
* Command from main thread: the current ANativeWindow has been resized.
* Please redraw with its new size.
*/
APP_CMD_WINDOW_RESIZED,
/**
* Command from main thread: the system needs that the current ANativeWindow
* be redrawn. You should redraw the window before handing this to
* android_app_exec_cmd() in order to avoid transient drawing glitches.
*/
APP_CMD_WINDOW_REDRAW_NEEDED,
/**
* Command from main thread: the content area of the window has changed,
* such as from the soft input window being shown or hidden. You can
* find the new content rect in android_app::contentRect.
*/
APP_CMD_CONTENT_RECT_CHANGED,
/**
* Command from main thread: the app's activity window has gained
* input focus.
*/
APP_CMD_GAINED_FOCUS,
/**
* Command from main thread: the app's activity window has lost
* input focus.
*/
APP_CMD_LOST_FOCUS,
/**
* Command from main thread: the current device configuration has changed.
*/
APP_CMD_CONFIG_CHANGED,
/**
* Command from main thread: the system is running low on memory.
* Try to reduce your memory use.
*/
APP_CMD_LOW_MEMORY,
/**
* Command from main thread: the app's activity has been started.
*/
APP_CMD_START,
/**
* Command from main thread: the app's activity has been resumed.
*/
APP_CMD_RESUME,
/**
* Command from main thread: the app should generate a new saved state
* for itself, to restore from later if needed. If you have saved state,
* allocate it with malloc and place it in android_app.savedState with
* the size in android_app.savedStateSize. The will be freed for you
* later.
*/
APP_CMD_SAVE_STATE,
/**
* Command from main thread: the app's activity has been paused.
*/
APP_CMD_PAUSE,
/**
* Command from main thread: the app's activity has been stopped.
*/
APP_CMD_STOP,
/**
* Command from main thread: the app's activity is being destroyed,
* and waiting for the app thread to clean up and exit before proceeding.
*/
APP_CMD_DESTROY,
};
/**
* Call when ALooper_pollAll() returns LOOPER_ID_MAIN, reading the next
* app command message.
*/
int8_t android_app_read_cmd(struct android_app* android_app);
/**
* Call with the command returned by android_app_read_cmd() to do the
* initial pre-processing of the given command. You can perform your own
* actions for the command after calling this function.
*/
void android_app_pre_exec_cmd(struct android_app* android_app, int8_t cmd);
/**
* Call with the command returned by android_app_read_cmd() to do the
* final post-processing of the given command. You must have done your own
* actions for the command before calling this function.
*/
void android_app_post_exec_cmd(struct android_app* android_app, int8_t cmd);
/**
* This is the function that application code must implement, representing
* the main entry to the app.
*/
extern void android_main(struct android_app* app);
#ifdef __cplusplus
}
#endif
#endif /* _ANDROID_NATIVE_APP_GLUE_H */

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#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <sys/resource.h>
#include <sys/time.h>
#include <stdio.h>
#include <math.h>
#include <pthread.h>
#include <cstring>
#include <jni.h>
#include <android/log.h>
#include <EGL/egl.h>
#include <SLES/OpenSLES.h>
#include <SLES/OpenSLES_Android.h>
#include "android_native_app_glue.h"
#include "game.h"
JNIEnv *env;
// timing
time_t startTime;
int osGetTimeMS() {
timeval t;
gettimeofday(&t, NULL);
return int((t.tv_sec - startTime) * 1000 + t.tv_usec / 1000);
}
// sound
// 1176 - 26 ms latency
#define SND_FRAMES 1176
Sound::Frame sndBuf[2][SND_FRAMES];
int sndBufIndex;
SLObjectItf sndEngine;
SLObjectItf sndOutput;
SLObjectItf sndPlayer;
SLBufferQueueItf sndQueue = NULL;
SLPlayItf sndPlay = NULL;
void sndFill(SLBufferQueueItf bq, void *context) {
if (!sndQueue) return;
Sound::fill(sndBuf[sndBufIndex ^= 1], SND_FRAMES);
(*sndQueue)->Enqueue(sndQueue, sndBuf[sndBufIndex], SND_FRAMES * sizeof(Sound::Frame));
}
void sndSetState(bool active) {
if (!sndPlay) return;
(*sndPlay)->SetPlayState(sndPlay, active ? SL_PLAYSTATE_PLAYING : SL_PLAYSTATE_PAUSED);
}
void sndInit() {
slCreateEngine(&sndEngine, 0, NULL, 0, NULL, NULL);
(*sndEngine)->Realize(sndEngine, SL_BOOLEAN_FALSE);
SLEngineItf engine;
(*sndEngine)->GetInterface(sndEngine, SL_IID_ENGINE, &engine);
(*engine)->CreateOutputMix(engine, &sndOutput, 0, NULL, NULL);
(*sndOutput)->Realize(sndOutput, SL_BOOLEAN_FALSE);
SLDataFormat_PCM bufFormat;
bufFormat.formatType = SL_DATAFORMAT_PCM;
bufFormat.numChannels = 2;
bufFormat.samplesPerSec = SL_SAMPLINGRATE_44_1;
bufFormat.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
bufFormat.containerSize = SL_PCMSAMPLEFORMAT_FIXED_16;
bufFormat.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT ;
bufFormat.endianness = SL_BYTEORDER_LITTLEENDIAN;
SLDataLocator_AndroidSimpleBufferQueue bufLocator;
bufLocator.locatorType = SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE;
bufLocator.numBuffers = 2;
SLDataLocator_OutputMix snkLocator;
snkLocator.locatorType = SL_DATALOCATOR_OUTPUTMIX;
snkLocator.outputMix = sndOutput;
SLDataSource audioSrc;
audioSrc.pLocator = &bufLocator;
audioSrc.pFormat = &bufFormat;
SLDataSink audioSnk;
audioSnk.pLocator = &snkLocator;
audioSnk.pFormat = NULL;
SLInterfaceID audioInt[] = { SL_IID_BUFFERQUEUE, SL_IID_PLAY };
SLboolean audioReq[] = { SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE };
(*engine)->CreateAudioPlayer(engine, &sndPlayer, &audioSrc, &audioSnk, 2, audioInt, audioReq);
(*sndPlayer)->Realize(sndPlayer, SL_BOOLEAN_FALSE);
(*sndPlayer)->GetInterface(sndPlayer, SL_IID_BUFFERQUEUE, &sndQueue);
(*sndPlayer)->GetInterface(sndPlayer, SL_IID_PLAY, &sndPlay);
(*sndQueue)->RegisterCallback(sndQueue, sndFill, NULL);
sndBufIndex = 1;
sndFill(sndQueue, NULL);
sndFill(sndQueue, NULL);
}
void sndFree() {
if (sndPlayer) (*sndPlayer)->Destroy(sndPlayer);
if (sndOutput) (*sndOutput)->Destroy(sndOutput);
if (sndEngine) (*sndEngine)->Destroy(sndEngine);
sndPlayer = sndOutput = sndEngine = NULL;
sndQueue = NULL;
sndPlay = NULL;
}
// joystick
int joyIndex[INPUT_JOY_COUNT];
int joyCount = 0;
static const int joyCodes[] = {
0, AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1,
AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR, AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2,
AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_DOWN };
static const int keyCodes[] {
0, 21, 22, 19, 20, 62, 61, 66, 111, 59, 113, 57,
7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41,
42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54 };
int getItemIndex(int value, const int *items, int count) {
for (int i = 0; i < count; i++)
if (items[i] == value)
return i;
return -1;
}
int getJoyIndex(int id) {
int index = getItemIndex(id, joyIndex, joyCount);
if (index == -1 && joyCount < COUNT(joyIndex)) {
joyIndex[joyCount++] = id;
return joyCount - 1;
}
return index;
}
float joyDeadZone(float x) {
return x = fabsf(x) < 0.2f ? 0.0f : x;
}
int32_t onInputEvent(android_app *app, AInputEvent *event) {
int source = AInputEvent_getSource(event);
bool isGamepad = (source & (AINPUT_SOURCE_GAMEPAD | AINPUT_SOURCE_JOYSTICK | AINPUT_SOURCE_DPAD)) != 0;
switch (AInputEvent_getType(event)) {
case AINPUT_EVENT_TYPE_KEY : {
bool isDown = AKeyEvent_getAction(event) == AKEY_EVENT_ACTION_DOWN;
int keyCode = AKeyEvent_getKeyCode(event);
int keyIndex;
if (keyCode == AKEYCODE_BACK)
keyCode = AKEYCODE_ESCAPE;
if (isGamepad && (keyIndex = getItemIndex(keyCode, joyCodes, COUNT(joyCodes))) != -1) {
int index = getJoyIndex(AInputEvent_getDeviceId(event));
if (index == -1)
return 0;
Input::setJoyDown(index, JoyKey(keyIndex), isDown);
return 1;
} else if ((keyIndex = getItemIndex(keyCode, keyCodes, COUNT(keyCodes))) != -1) {
Input::setDown(InputKey(keyIndex), isDown);
return 1;
}
break;
}
case AINPUT_EVENT_TYPE_MOTION : {
int action = AMotionEvent_getAction(event);
int flags = action & AMOTION_EVENT_ACTION_MASK;
if (isGamepad) {
int index = getJoyIndex(AInputEvent_getDeviceId(event));
if (index == -1)
return 0;
Input::setJoyPos(index, jkL, vec2(joyDeadZone(AMotionEvent_getAxisValue(event, AMOTION_EVENT_AXIS_X, 0)),
joyDeadZone(AMotionEvent_getAxisValue(event, AMOTION_EVENT_AXIS_Y, 0))));
Input::setJoyPos(index, jkR, vec2(joyDeadZone(AMotionEvent_getAxisValue(event, AMOTION_EVENT_AXIS_Z, 0)),
joyDeadZone(AMotionEvent_getAxisValue(event, AMOTION_EVENT_AXIS_RZ, 0))));
if (!(source & AINPUT_SOURCE_DPAD)) {
float dx = AMotionEvent_getAxisValue(event, AMOTION_EVENT_AXIS_HAT_X, 0);
float dy = AMotionEvent_getAxisValue(event, AMOTION_EVENT_AXIS_HAT_Y, 0);
Input::setJoyDown(index, jkLeft, dx < -0.9);
Input::setJoyDown(index, jkRight, dx > 0.9);
Input::setJoyDown(index, jkUp, dy < -0.9);
Input::setJoyDown(index, jkDown, dy > 0.9);
}
return 1;
}
switch (flags) {
case AMOTION_EVENT_ACTION_DOWN :
case AMOTION_EVENT_ACTION_UP :
case AMOTION_EVENT_ACTION_MOVE :
for (int i = 0; i < AMotionEvent_getPointerCount(event); i++) {
InputKey key = Input::getTouch(AMotionEvent_getPointerId(event, i));
if (key == ikNone) continue;
Input::setPos(key, vec2(AMotionEvent_getX(event, i), AMotionEvent_getY(event, i)));
if (flags == AMOTION_EVENT_ACTION_DOWN || flags == AMOTION_EVENT_ACTION_UP)
Input::setDown(key, flags == AMOTION_EVENT_ACTION_DOWN);
}
return 1;
case AMOTION_EVENT_ACTION_POINTER_DOWN :
case AMOTION_EVENT_ACTION_POINTER_UP :
int i = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
InputKey key = Input::getTouch(AMotionEvent_getPointerId(event, i));
if (key == ikNone) break;
Input::setPos(key, vec2(AMotionEvent_getX(event, i), AMotionEvent_getY(event, i)));
Input::setDown(key, flags == AMOTION_EVENT_ACTION_POINTER_DOWN);
return 1;
}
break;
}
}
return 0;
}
bool osJoyReady(int index) {
return index < joyCount;
}
void osJoyVibrate(int index, float L, float R) {
//
}
// display
android_app *app;
EGLDisplay display = EGL_NO_DISPLAY;
EGLSurface surface = EGL_NO_SURFACE;
EGLContext context = EGL_NO_CONTEXT;
EGLint format;
EGLConfig config;
bool isActive = false;
void osToggleVR(bool enable) {
Core::settings.detail.stereo = Core::Settings::STEREO_OFF;
}
void eglInitSurface() {
ANativeWindow_setBuffersGeometry(app->window, 0, 0, format);
surface = eglCreateWindowSurface(display, config, app->window, NULL);
eglMakeCurrent(display, surface, surface, context);
eglQuerySurface(display, surface, EGL_WIDTH, &Core::width);
eglQuerySurface(display, surface, EGL_HEIGHT, &Core::height);
}
void eglFreeSurface() {
if (display == EGL_NO_DISPLAY || surface == EGL_NO_SURFACE) return;
eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroySurface(display, surface);
surface = EGL_NO_SURFACE;
}
void eglInit() {
static const EGLint eglAttr[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 24,
EGL_SAMPLES, 0,
EGL_NONE
};
static const EGLint ctxAttr[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
EGLint numConfigs;
display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(display, 0, 0);
eglChooseConfig(display, eglAttr, &config, 1, &numConfigs);
eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format);
context = eglCreateContext(display, config, EGL_NO_CONTEXT, ctxAttr);
eglInitSurface();
}
void eglFree() {
if (display == EGL_NO_DISPLAY) return;
eglFreeSurface();
if (context != EGL_NO_CONTEXT)
eglDestroyContext(display, context);
eglTerminate(display);
display = EGL_NO_DISPLAY;
context = EGL_NO_CONTEXT;
}
void onAppCmd(android_app *app, int32_t cmd) {
LOG("android_app_cmd %d\n", cmd);
switch (cmd) {
case APP_CMD_SAVE_STATE:
//app->savedStateSize = ...;
//app->savedState = malloc(app->savedStateSize);
//TODO: fill save state
break;
case APP_CMD_INIT_WINDOW:
if (app->window == NULL) return;
LOG("---- init context\n");
if (context == EGL_NO_CONTEXT) {
LOG("---- init gl\n");
eglInit();
LOG("---- init game\n");
Game::init();
LOG("---- init gound\n");
sndInit();
} else
eglInitSurface();
LOG("---- init done!\n");
break;
case APP_CMD_TERM_WINDOW:
if (app->window == NULL) return;
eglFreeSurface();
break;
case APP_CMD_GAINED_FOCUS :
case APP_CMD_LOST_FOCUS :
isActive = cmd == APP_CMD_GAINED_FOCUS;
sndSetState(isActive);
Core::resetTime();
break;
}
}
void android_main(android_app *state) {
LOG("android_main\n");
cacheDir[0] = saveDir[0] = contentDir[0] = 0;
state->activity->vm->AttachCurrentThread(&env, 0);
state->onAppCmd = onAppCmd;
state->onInputEvent = onInputEvent;
app = state;
if (state->savedState != NULL) {
// TODO: load level from save state
}
timeval t;
gettimeofday(&t, NULL);
startTime = t.tv_sec;
LOG("get content dir: ");
strcpy(contentDir, getenv("EXTERNAL_STORAGE"));
strcat(contentDir, "/OpenLara/"); // skip /Android/data/com.OpenLara/files
strcpy(cacheDir, contentDir);
strcat(cacheDir, "cache/");
strcpy(saveDir, contentDir);
LOG("%s\n", contentDir);
Core::isQuit = false;
while (!state->destroyRequested) {
android_poll_source *source;
while (ALooper_pollAll(isActive ? 0 : -1, NULL, NULL, (void**)&source) >= 0) {
if (source != NULL)
source->process(state, source);
if (state->destroyRequested != 0)
break;
}
if (display != EGL_NO_DISPLAY && isActive && Game::update()) {
Game::render();
eglSwapBuffers(display, surface);
}
if (Core::isQuit)
ANativeActivity_finish(state->activity);
}
Game::deinit();
eglFree();
sndFree();
state->activity->vm->DetachCurrentThread();
}