nuclear@0: #include <stdio.h>
nuclear@0: #include <stdlib.h>
nuclear@5: #include <assert.h>
nuclear@0: #include <EGL/egl.h>
nuclear@1: #include <jni.h>
nuclear@16: #include "amain.h"
nuclear@1: #include "native_glue.h"
nuclear@24: #include <android/sensor.h>
nuclear@24: #include "sensordef.h"
nuclear@0: #include "logger.h"
nuclear@0: #include "game.h"
nuclear@6: #include "camera.h"
nuclear@0: #include "timer.h"
nuclear@0: 
nuclear@24: #define EVID_SENS_ACCEL		(LOOPER_ID_USER + 0)
nuclear@24: #define EVID_SENS_ROT		(LOOPER_ID_USER + 1)
nuclear@0: 
nuclear@0: static void handle_command(struct android_app *app, int32_t cmd);
nuclear@0: static int handle_input(struct android_app *app, AInputEvent *ev);
nuclear@0: static int handle_touch_input(struct android_app *app, AInputEvent *ev);
nuclear@0: static int init_gl(void);
nuclear@0: static void destroy_gl(void);
nuclear@0: 
nuclear@0: static EGLDisplay dpy;
nuclear@0: static EGLSurface surf;
nuclear@0: static EGLContext ctx;
nuclear@0: 
nuclear@24: static int redisp_pending = 1;	/* TODO stop busy-looping */
nuclear@24: 
nuclear@23: static int width, height;
nuclear@0: static int init_done;
nuclear@0: 
nuclear@1: static JavaVM *jvm;
nuclear@1: static JNIEnv *jni;
nuclear@1: static jclass activity_class;
nuclear@1: 
nuclear@24: static ASensorManager *sensorman;
nuclear@24: static ASensor const *sens_accel;
nuclear@24: static ASensor const *sens_rot;
nuclear@24: static ASensorEventQueue *sens_evq_accel;
nuclear@24: static ASensorEventQueue *sens_evq_rot;
nuclear@1: 
nuclear@0: void android_main(struct android_app *app_ptr)
nuclear@0: {
nuclear@0: 	app_dummy();
nuclear@0: 	app = app_ptr;
nuclear@0: 
nuclear@0: 	app->onAppCmd = handle_command;
nuclear@0: 	app->onInputEvent = handle_input;
nuclear@0: 
nuclear@0: 	start_logger();
nuclear@0: 
nuclear@1: 	jvm = app->activity->vm;
nuclear@1: 	if((*jvm)->AttachCurrentThread(jvm, &jni, 0) != 0) {
nuclear@1: 		fprintf(stderr, "failed to attach native thread to Java VM\n");
nuclear@1: 		exit(1);
nuclear@1: 	}
nuclear@2: 	activity_class = (*jni)->GetObjectClass(jni, app->activity->clazz);
nuclear@1: 
nuclear@24: 	{
nuclear@24: 		int i, num_sensors;
nuclear@24: 		ASensorList sensors;
nuclear@24: 
nuclear@24: 		sensorman = ASensorManager_getInstance();
nuclear@24: 		num_sensors = ASensorManager_getSensorList(sensorman, &sensors);
nuclear@24: 		printf("found %d sensors:\n", num_sensors);
nuclear@24: 
nuclear@24: 		for(i=0; i<num_sensors; i++) {
nuclear@24: 			ASensor const *sens = sensors[i];
nuclear@24: 			int type = ASensor_getType(sens);
nuclear@24: 			float res = ASensor_getResolution(sens);
nuclear@24: 			int mindel = ASensor_getMinDelay(sens);
nuclear@24: 
nuclear@24: 			printf(" %d) [%d:%s] %s - %s (res: %g, min-delay: %d)\n", i,
nuclear@24: 					type, sensor_typestr(type), ASensor_getName(sens),
nuclear@24: 					ASensor_getVendor(sens), res, mindel);
nuclear@24: 		}
nuclear@24: 
nuclear@24: 		// try to get a linear acceleration sensor
nuclear@24: 		printf("Requesting \"linear acceleration\" sensor ...\n");
nuclear@24: 		if(!(sens_accel = ASensorManager_getDefaultSensor(sensorman, SENSOR_TYPE_LINEAR_ACCELERATION))) {
nuclear@24: 			fprintf(stderr, "No linear acceleration sensor found, aborting!\n");
nuclear@24: 			return;
nuclear@24: 		}
nuclear@24: 
nuclear@24: 		// try to get a game rotation vector sensor
nuclear@24: 		printf("Requesting \"game rotation vector\" sensor ...\n");
nuclear@24: 		if(!(sens_rot = ASensorManager_getDefaultSensor(sensorman, SENSOR_TYPE_GAME_ROTATION_VECTOR))) {
nuclear@24: 			printf("Requesting \"rotation vector\" sensor ...\n");
nuclear@24: 			if(!(sens_rot = ASensorManager_getDefaultSensor(sensorman, SENSOR_TYPE_ROTATION_VECTOR))) {
nuclear@24: 				fprintf(stderr, "No rotation sensor found, aborting!\n");
nuclear@24: 				return;
nuclear@24: 			}
nuclear@24: 		}
nuclear@24: 
nuclear@24: 		if(!(sens_evq_accel = ASensorManager_createEventQueue(sensorman, app->looper,
nuclear@24: 						EVID_SENS_ACCEL, 0, 0))) {
nuclear@24: 			fprintf(stderr, "failed to create acceleration sensor event queue\n");
nuclear@24: 			return;
nuclear@24: 		}
nuclear@24: 
nuclear@24: 		if(!(sens_evq_rot = ASensorManager_createEventQueue(sensorman, app->looper,
nuclear@24: 						EVID_SENS_ROT, 0, 0))) {
nuclear@24: 			fprintf(stderr, "failed to create rotation sensor event queue\n");
nuclear@24: 			return;
nuclear@24: 		}
nuclear@24: 	}
nuclear@24: 
nuclear@24: 
nuclear@0: 	for(;;) {
nuclear@24: 		int num_events, evid;
nuclear@0: 		struct android_poll_source *pollsrc;
nuclear@24: 		ASensorEvent sens_ev;
nuclear@0: 
nuclear@24: 		while((evid = ALooper_pollAll(redisp_pending ? 0 : -1, 0, &num_events, (void**)&pollsrc)) >= 0) {
nuclear@24: 
nuclear@24: 			switch(evid) {
nuclear@24: 			case EVID_SENS_ACCEL:
nuclear@24: 				if(sens_accel) {
nuclear@24: 					float accel[3];
nuclear@24: 					while(ASensorEventQueue_getEvents(sens_evq_accel, &sens_ev, 1) > 0) {
nuclear@24: 						accel[0] = sens_ev.acceleration.x;
nuclear@24: 						accel[1] = sens_ev.acceleration.y;
nuclear@24: 						accel[2] = sens_ev.acceleration.z;
nuclear@24: 					}
nuclear@24: 
nuclear@24: 					// TODO: integrate over time
nuclear@24: 					game_6dof_translation(accel[0], accel[1], accel[2]);
nuclear@24: 				}
nuclear@24: 				break;
nuclear@24: 
nuclear@24: 			case EVID_SENS_ROT:
nuclear@24: 				if(sens_rot) {
nuclear@24: 					float qrot[4];
nuclear@24: 					while(ASensorEventQueue_getEvents(sens_evq_rot, &sens_ev, 1) > 0) {
nuclear@24: 						int i;
nuclear@24: 						for(i=0; i<4; i++) {
nuclear@24: 							qrot[i] = sens_ev.data[i];
nuclear@24: 						}
nuclear@24: 					}
nuclear@24: 
nuclear@24: 					game_6dof_rotation(qrot[0], qrot[1], qrot[2], qrot[3]);
nuclear@24: 				}
nuclear@24: 				break;
nuclear@24: 
nuclear@24: 			default:
nuclear@24: 				if(pollsrc) {
nuclear@24: 					pollsrc->process(app, pollsrc);
nuclear@24: 				}
nuclear@0: 			}
nuclear@0: 		}
nuclear@0: 
nuclear@0: 		if(app->destroyRequested) {
nuclear@1: 			(*jvm)->DetachCurrentThread(jvm);
nuclear@0: 			return;
nuclear@0: 		}
nuclear@0: 
nuclear@24: 		if(init_done && redisp_pending) {
nuclear@0: 			game_display(get_time_msec());
nuclear@0: 			eglSwapBuffers(dpy, surf);
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: void set_mouse_pos(int x, int y)
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void set_mouse_cursor(int enable)
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: static void handle_command(struct android_app *app, int32_t cmd)
nuclear@0: {
nuclear@6: 	struct cam_android_platform_data cam_data;
nuclear@6: 
nuclear@0: 	switch(cmd) {
nuclear@0: 	case APP_CMD_SAVE_STATE:
nuclear@0: 		/* save the application state to be reloaded on restart if needed */
nuclear@0: 		break;
nuclear@0: 
nuclear@0: 	case APP_CMD_INIT_WINDOW:
nuclear@0: 		if(init_gl() == -1) {
nuclear@0: 			exit(1);
nuclear@0: 		}
nuclear@5: 
nuclear@6: 		cam_data.vm = jvm;
nuclear@6: 		cam_data.jni = jni;
nuclear@6: 		cam_data.activity_class = activity_class;
nuclear@6: 
nuclear@6: 		if(cam_init(&cam_data) == -1) {
nuclear@6: 			exit(1);
nuclear@6: 		}
nuclear@5: 
nuclear@0: 		/* initialize the application */
nuclear@0: 		if(game_init() == -1) {
nuclear@0: 			exit(1);	/* initialization failed, quit */
nuclear@0: 		}
nuclear@0: 		init_done = 1;
nuclear@0: 		break;
nuclear@0: 
nuclear@0: 	case APP_CMD_TERM_WINDOW:
nuclear@0: 		/* cleanup */
nuclear@0: 		init_done = 0;
nuclear@0: 		game_shutdown();
nuclear@0: 		destroy_gl();
nuclear@0: 		break;
nuclear@0: 
nuclear@0: 	case APP_CMD_GAINED_FOCUS:
nuclear@0: 		/* app focused */
nuclear@24: 		printf("Command: APP_CMD_GAINED_FOCUS\n");
nuclear@24: 		if(sens_accel) {
nuclear@24: 			ASensorEventQueue_enableSensor(sens_evq_accel, sens_accel);
nuclear@24: 			ASensorEventQueue_setEventRate(sens_evq_accel, sens_accel, 1000000 / 60);
nuclear@24: 		}
nuclear@24: 		if(sens_rot) {
nuclear@24: 			ASensorEventQueue_enableSensor(sens_evq_rot, sens_rot);
nuclear@24: 			ASensorEventQueue_setEventRate(sens_evq_rot, sens_rot, 1000000 / 60);
nuclear@24: 		}
nuclear@8: 		//cam_start_video();
nuclear@0: 		break;
nuclear@0: 
nuclear@0: 	case APP_CMD_LOST_FOCUS:
nuclear@0: 		/* app lost focus */
nuclear@24: 		printf("Command: APP_CMD_LOST_FOCUS\n");
nuclear@24: 		if(sens_accel) {
nuclear@24: 			ASensorEventQueue_disableSensor(sens_evq_accel, sens_accel);
nuclear@24: 		}
nuclear@24: 		if(sens_rot) {
nuclear@24: 			ASensorEventQueue_disableSensor(sens_evq_rot, sens_rot);
nuclear@24: 		}
nuclear@8: 		//cam_stop_video();
nuclear@0: 		break;
nuclear@0: 
nuclear@0: 	case APP_CMD_WINDOW_RESIZED:
nuclear@0: 	case APP_CMD_CONFIG_CHANGED:
nuclear@0: 		{
nuclear@0: 			int nx = ANativeWindow_getWidth(app->window);
nuclear@0: 			int ny = ANativeWindow_getHeight(app->window);
nuclear@23: 			if(nx != width || ny != height) {
nuclear@0: 				game_reshape(nx, ny);
nuclear@23: 				width = nx;
nuclear@23: 				height = ny;
nuclear@0: 			}
nuclear@0: 		}
nuclear@0: 		break;
nuclear@0: 
nuclear@0: 	default:
nuclear@0: 		break;
nuclear@0: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: static int handle_input(struct android_app *app, AInputEvent *ev)
nuclear@0: {
nuclear@0: 	int evtype = AInputEvent_getType(ev);
nuclear@0: 
nuclear@0: 	switch(evtype) {
nuclear@0: 	case AINPUT_EVENT_TYPE_MOTION:
nuclear@0: 		return handle_touch_input(app, ev);
nuclear@0: 
nuclear@0: 	default:
nuclear@0: 		break;
nuclear@0: 	}
nuclear@0: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: #define MAX_TOUCH_IDS	32
nuclear@0: 
nuclear@0: static int handle_touch_input(struct android_app *app, AInputEvent *ev)
nuclear@0: {
nuclear@0: 	int x, y, idx, touch_id;
nuclear@0: 	unsigned int action;
nuclear@0: 	static int prev_pos[MAX_TOUCH_IDS][2];
nuclear@0: 
nuclear@0: 	action = AMotionEvent_getAction(ev);
nuclear@0: 
nuclear@0: 	idx = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >>
nuclear@0: 		AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
nuclear@0: 	touch_id = AMotionEvent_getPointerId(ev, idx);
nuclear@0: 
nuclear@0: 	x = AMotionEvent_getX(ev, idx);
nuclear@0: 	y = AMotionEvent_getY(ev, idx);
nuclear@0: 
nuclear@0: 	switch(action & AMOTION_EVENT_ACTION_MASK) {
nuclear@0: 	case AMOTION_EVENT_ACTION_DOWN:
nuclear@0: 	case AMOTION_EVENT_ACTION_POINTER_DOWN:
nuclear@0: 		game_mouse_button(touch_id, 0, 1, x, y);
nuclear@0: 		if(touch_id < MAX_TOUCH_IDS) {
nuclear@0: 			prev_pos[touch_id][0] = x;
nuclear@0: 			prev_pos[touch_id][1] = y;
nuclear@0: 		}
nuclear@0: 		break;
nuclear@0: 
nuclear@0: 	case AMOTION_EVENT_ACTION_UP:
nuclear@0: 	case AMOTION_EVENT_ACTION_POINTER_UP:
nuclear@0: 		game_mouse_button(touch_id, 0, 0, x, y);
nuclear@0: 		if(touch_id < MAX_TOUCH_IDS) {
nuclear@0: 			prev_pos[touch_id][0] = x;
nuclear@0: 			prev_pos[touch_id][1] = y;
nuclear@0: 		}
nuclear@0: 		break;
nuclear@0: 
nuclear@0: 	case AMOTION_EVENT_ACTION_MOVE:
nuclear@0: 		{
nuclear@0: 			int i, pcount = AMotionEvent_getPointerCount(ev);
nuclear@0: 			for(i=0; i<pcount; i++) {
nuclear@0: 				int id = AMotionEvent_getPointerId(ev, i);
nuclear@0: 				if(id < MAX_TOUCH_IDS && x != prev_pos[id][0] && y != prev_pos[id][1]) {
nuclear@0: 					game_mouse_motion(id, x, y);
nuclear@0: 					prev_pos[id][0] = x;
nuclear@0: 					prev_pos[id][1] = y;
nuclear@0: 				}
nuclear@0: 			}
nuclear@0: 		}
nuclear@0: 		break;
nuclear@0: 
nuclear@0: 	default:
nuclear@0: 		break;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	return 1;
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: static int init_gl(void)
nuclear@0: {
nuclear@0: 	static const int eglattr[] = {
nuclear@0: 		EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
nuclear@10: 		EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
nuclear@0: 		EGL_RED_SIZE, 5,
nuclear@0: 		EGL_GREEN_SIZE, 5,
nuclear@0: 		EGL_BLUE_SIZE, 5,
nuclear@0: 		EGL_DEPTH_SIZE, 16,
nuclear@0: 		EGL_NONE
nuclear@0: 	};
nuclear@10: 	static const int ctxattr[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
nuclear@0: 
nuclear@0: 	EGLConfig eglcfg;
nuclear@0: 	int count, vis;
nuclear@0: 
nuclear@0: 	dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
nuclear@0: 	if(!dpy || !eglInitialize(dpy, 0, 0)) {
nuclear@0: 		fprintf(stderr, "failed to initialize EGL\n");
nuclear@0: 		destroy_gl();
nuclear@0: 		return -1;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	if(!eglChooseConfig(dpy, eglattr, &eglcfg, 1, &count)) {
nuclear@0: 		fprintf(stderr, "no matching EGL config found\n");
nuclear@0: 		destroy_gl();
nuclear@0: 		return -1;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	/* configure the native window visual according to the chosen EGL config */
nuclear@0: 	eglGetConfigAttrib(dpy, &eglcfg, EGL_NATIVE_VISUAL_ID, &vis);
nuclear@0: 	ANativeWindow_setBuffersGeometry(app->window, 0, 0, vis);
nuclear@0: 
nuclear@0: 	if(!(surf = eglCreateWindowSurface(dpy, eglcfg, app->window, 0))) {
nuclear@0: 		fprintf(stderr, "failed to create window\n");
nuclear@0: 		destroy_gl();
nuclear@0: 		return -1;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	if(!(ctx = eglCreateContext(dpy, eglcfg, EGL_NO_CONTEXT, ctxattr))) {
nuclear@0: 		fprintf(stderr, "failed to create OpenGL ES context\n");
nuclear@0: 		destroy_gl();
nuclear@0: 		return -1;
nuclear@0: 	}
nuclear@0: 	eglMakeCurrent(dpy, surf, surf, ctx);
nuclear@0: 
nuclear@23: 	eglQuerySurface(dpy, surf, EGL_WIDTH, &width);
nuclear@23: 	eglQuerySurface(dpy, surf, EGL_HEIGHT, &height);
nuclear@23: 	game_reshape(width, height);
nuclear@0: 
nuclear@0: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: static void destroy_gl(void)
nuclear@0: {
nuclear@0: 	if(!dpy) return;
nuclear@0: 
nuclear@0: 	eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
nuclear@0: 
nuclear@0: 	if(ctx) {
nuclear@0: 		eglDestroyContext(dpy, ctx);
nuclear@0: 		ctx = 0;
nuclear@0: 	}
nuclear@0: 	if(surf) {
nuclear@0: 		eglDestroySurface(dpy, surf);
nuclear@0: 		surf = 0;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	eglTerminate(dpy);
nuclear@0: 	dpy = 0;
nuclear@0: }