WebSVN - shark - Blame - Rev 1376 - /demos/trunk/astro/astro.c

Rev	Author	Line No.	Line
1162	tavani	1	/*
		2	* Project: S.Ha.R.K.
		3	*
		4	* Coordinators: Giorgio Buttazzo <giorgio@sssup.it>
		5	*
		6	* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
		7	*
		8	* http://www.sssup.it
		9	* http://retis.sssup.it
		10	* http://shark.sssup.it
		11	*/
		12
		13	#include "asteroid.h"
		14
		15	int nshot; /* number of shot active */
		16	int astro_x, astro_y; /* astro position */
		17	int astro_grad; /* astro angolar position */
		18	PID pid_TR, pid_TL; /* pid of turn tasks */
		19	int astro_vel; /* astro speed */
		20	PID pid_SU, pid_SD; /* pid of acc tasks */
		21	PID pid_SZ, pid_FL; /* pid of acc tasks */
		22	int freez_astro; /* turn of pad*/
		23	int kill_shot;
		24
		25	rock_ini rock_new;
		26
1373	giacomo	27	extern volatile int shark_running;
		28
1162	tavani	29	TASK shot(int i)
		30	{
		31	int x, y; /* shot graphic position */
		32	int ox, oy; /* shot old position */
		33	int x0, y0; /* shot initial position */
		34	float vx, vy; /* shot speed */
		35	float ty, tx;
		36	float dt;
		37	float a_rad;
		38	int a_vel;
		39
		40	int rx, ry, rr;
		41	PID rp;
		42
		43	sem_wait(&mx_xy);
		44	y = oy = y0 = astro_y;
		45	x = ox = x0 = astro_x;
		46	sem_post(&mx_xy);
		47
		48	sem_wait(&mx_pos);
		49	a_rad = astro_grad * PI / 180.;
		50	sem_post(&mx_pos);
		51	sem_wait(&mx_vel);
		52	a_vel = astro_vel;
		53	sem_post(&mx_vel);
		54	sem_wait(&mx_mat);
		55	vx = - (SHOT_VEL + a_vel) * sin(a_rad);
		56	vy = - (SHOT_VEL + a_vel) * cos(a_rad);
		57	sem_post(&mx_mat);
		58	tx = 0;
		59	ty = 0;
		60	dt = ((float)SHOT_PERIOD)/100000;
		61
		62	while (1) {
		63	y = y0 + vy * ty;
		64	x = x0 + vx * tx;
		65
		66	sem_wait(&mx_grf);
		67	grx_disc(ox, oy, SHOT_RADIUS, RGB_BLACK);
		68	sem_post(&mx_grf);
		69	ox = x;
		70	oy = y;
		71
		72	if ((kill_shot)\|\|(crash)\|\|(y < GB_YMIN+SHOT_RADIUS)\|\|(x < GB_XMIN+SHOT_RADIUS)\|\|(x > GB_XMAX-SHOT_RADIUS)\|\|(y > GB_YMAX-SHOT_RADIUS)){
		73	nshot--;
		74	return 0;
		75	}
		76
		77	for ( i=0; i<ROCK_NMAX; i++ ) {
		78	sem_wait(&mx_rk);
		79	rp = rocks[i].pid;
		80	rx = rocks[i].x;
		81	ry = rocks[i].y;
		82	rr = rocks[i].r;
		83	sem_post(&mx_rk);
		84
		85	if ((rp!=NIL) && (dist_xy(x, y, rx, ry) < (SHOT_RADIUS+rr))) {
		86	draw_rock(rx, ry, rr, RGB_BLACK);
		87	if (rr == ROCK_RADIUS_I) {
		88	sem_wait(&mx_rk);
		89	rocks[i].r = ROCK_RADIUS_S;
		90	sem_post(&mx_rk);
		91	sem_wait(&mx_rn);
		92	rock_new.r = ROCK_RADIUS_S;
		93	rock_new.x = rx;
		94	rock_new.y = ry;
		95	rock_new.i = 0;
		96	sem_post(&mx_rn);
		97	sem_wait(&mx_st_scr);
		98	score += SCORE_GOT;
		99	sem_post(&mx_st_scr);
		100	} else {
		101	task_kill(rp);
		102	sem_wait(&mx_rk);
		103	rocks[i].pid = NIL;
		104	sem_post(&mx_rk);
		105	nrock--;
		106	sem_wait(&mx_st_scr);
		107	score += 2*SCORE_GOT;
		108	sem_post(&mx_st_scr);
		109	}
		110	sem_wait(&mx_st_nrg);
		111	energy += ENERGY_GOT;
		112	sem_post(&mx_st_nrg);
		113	sem_wait(&mx_st_kil);
		114	enemy++;
		115	sem_post(&mx_st_kil);
		116	nshot--;
		117	return 0;
		118	}
		119	}
		120
		121	sem_wait(&mx_grf);
		122	grx_disc(ox, oy, SHOT_RADIUS, RGB_RED);
		123	sem_post(&mx_grf);
		124
		125	ty += dt;
		126	tx += dt;
		127
		128	task_endcycle();
		129	}
		130	}
		131
		132	TASK astro()
		133	{
		134	float astro_rad;
		135	int ox, oy;
		136	float s, c;
		137
		138	//leggo posizione
		139	sem_wait(&mx_pos);
		140	astro_rad = astro_grad * PI / 180.;
		141	sem_post(&mx_pos);
		142	sem_wait(&mx_mat);
		143	s = -sin(astro_rad);
		144	c = -cos(astro_rad);
		145	sem_post(&mx_mat);
		146	sem_wait(&mx_xy);
		147	ox = astro_x;
		148	oy = astro_y;
		149	sem_post(&mx_xy);
		150
		151	while (1) {
		152
		153	sem_wait(&mx_grf);
		154	//DRAW SHADOW ASTRO
		155	grx_line(ox + 15.s , oy + 15.c , ox - 5.c - 9.s, oy + 5.s - 9.c, RGB_BLACK);
		156	grx_line(ox + 15.s , oy + 15.c , ox + 5.c - 9.s, oy - 5.s - 9.c, RGB_BLACK);
		157	grx_line(ox , oy , ox - 12.c - 9.s, oy + 12.s - 9.c, RGB_BLACK);
		158	grx_line(ox , oy , ox + 12.c - 9.s, oy - 12.s - 9.c, RGB_BLACK);
		159	grx_line(ox - 12.c - 9.s, oy + 12.s - 9.c, ox + 12.c - 9.s, oy - 12.s - 9.c, RGB_BLACK);
		160	sem_post(&mx_grf);
		161
		162	sem_wait(&mx_pos);
		163	astro_rad = astro_grad * PI / 180.;
		164	sem_post(&mx_pos);
		165	sem_wait(&mx_mat);
		166	s = -sin(astro_rad);
		167	c = -cos(astro_rad);
		168	sem_post(&mx_mat);
		169	sem_wait(&mx_xy);
		170	ox = astro_x;
		171	oy = astro_y;
		172	sem_post(&mx_xy);
		173
		174	sem_wait(&mx_grf);
		175	//DRAW ASTRO
		176	grx_line(ox + 15.s , oy + 15.c , ox - 5.c - 9.s, oy + 5.s - 9.c, RGB_WHITE);
		177	grx_line(ox + 15.s , oy + 15.c , ox + 5.c - 9.s, oy - 5.s - 9.c, RGB_WHITE);
		178	grx_line(ox , oy , ox - 12.c - 9.s, oy + 12.s - 9.c, RGB_WHITE);
		179	grx_line(ox , oy , ox + 12.c - 9.s, oy - 12.s - 9.c, RGB_WHITE);
		180	grx_line(ox - 12.c - 9.s, oy + 12.s - 9.c, ox + 12.c - 9.s, oy - 12.s - 9.c, RGB_WHITE);
		181	sem_post(&mx_grf);
		182
		183	/* {
		184	int xxx;
		185	for (xxx=0; xxx<10000; xxx++);
		186	}*/
		187
		188	task_endcycle();
		189	}
		190	}
		191
		192	TASK look()
		193	{
		194	while (1) {
		195	if (crash) {
		196	reset_rock();
		197	reset_astro();
		198	if (nrock==0) {
		199	reset_game();
		200	crash = 0;
		201	}
		202	}
		203	task_endcycle();
		204	}
		205	}
		206
		207	TASK turn(int i)
		208	{
		209
		210	while (1) {
		211
		212	sem_wait(&mx_pos);
		213	if (i==0)
		214	astro_grad += 180;
		215	else {
		216	astro_grad += i;
		217	}
		218	if (astro_grad < -180) astro_grad += 360;
		219	if (astro_grad > 180) astro_grad -= 360;
		220	if (astro_grad < -ASTRO_MAX_GRAD) astro_grad = -ASTRO_MAX_GRAD;
		221	if (astro_grad > ASTRO_MAX_GRAD) astro_grad = ASTRO_MAX_GRAD;
		222	sem_post(&mx_pos);
		223
		224	task_endcycle();
		225	}
		226	}
		227
		228	TASK speed(int i)
		229	{
		230
		231	while (1) {
		232
		233	sem_wait(&mx_vel);
		234	if (i==0)
		235	astro_vel = 0;
		236	else {
		237	astro_vel += i;
		238	if (astro_vel < -ASTRO_MAX_VEL) astro_vel = -ASTRO_MAX_VEL;
		239	if (astro_vel > ASTRO_MAX_VEL) astro_vel = ASTRO_MAX_VEL;
		240	}
		241	sem_post(&mx_vel);
		242
		243	task_endcycle();
		244	}
		245	}
		246
		247	TASK move()
		248	{
		249	int dv, x, y;
		250	float drad;
		251
		252	drad = x = y = 0;
		253
		254	while (1) {
		255
		256	#ifdef ASTRO_MOVE
		257	sem_wait(&mx_pos);
		258	drad = astro_grad * PI / 180.;
		259	sem_post(&mx_pos);
		260	#endif
		261	sem_wait(&mx_vel);
		262	dv = astro_vel;
		263	sem_post(&mx_vel);
		264	sem_wait(&mx_xy);
		265	x = astro_x;
		266	y = astro_y;
		267	sem_post(&mx_xy);
		268	#ifdef ASTRO_MOVE
		269	x -= dv * sin(drad);
		270	y -= dv * cos(drad);
		271	if (x < GB_XMIN + ASTRO_RADIUS) x = GB_XMAX - ASTRO_RADIUS;
		272	if (x > GB_XMAX - ASTRO_RADIUS) x = GB_XMIN + ASTRO_RADIUS;
		273	if (y < GB_YMIN + ASTRO_RADIUS) y = GB_YMAX - ASTRO_RADIUS;
		274	if (y > GB_YMAX - ASTRO_RADIUS) y = GB_YMIN + ASTRO_RADIUS;
		275	#else
		276	x += dv;
		277	if (x < GB_XMIN + 2*ASTRO_RADIUS) {
		278	x = GB_XMIN + 2*ASTRO_RADIUS;
		279	sem_wait(&mx_vel);
		280	astro_vel = - astro_vel - ASTRO_VEL_INC;
		281	sem_post(&mx_vel);
		282	}
		283	if (x > GB_XMAX - 2*ASTRO_RADIUS) {
		284	x = GB_XMAX - 2*ASTRO_RADIUS;
		285	sem_wait(&mx_vel);
		286	astro_vel = - astro_vel + ASTRO_VEL_INC;
		287	sem_post(&mx_vel);
		288	}
		289	#endif
		290	sem_wait(&mx_xy);
		291	astro_x = x;
		292	astro_y = y;
		293	sem_post(&mx_xy);
		294
		295	task_endcycle();
		296	}
		297	}
		298
		299	void pad(KEY_EVT *k)
		300	{
		301	if (freez_astro) return;
		302	if (k->scan == KEY_O) task_activate(pid_TL);
		303	if (k->scan == KEY_P) task_activate(pid_TR);
		304	if (k->scan == KEY_S) task_activate(pid_SZ);
		305	if (k->scan == KEY_Z) task_activate(pid_SD);
		306	#ifdef ASTRO_MOVE
		307	if (k->scan == KEY_A) task_activate(pid_SU);
		308	if (k->scan == KEY_F) task_activate(pid_FL);
		309	#else
		310	if (k->scan == KEY_X) task_activate(pid_SU);
		311	#endif
		312	}
		313
		314	void new_shot(KEY_EVT *k)
		315	{
		316	SOFT_TASK_MODEL mp;
		317	PID pid;
		318
		319	if ((nshot >= SHOT_NMAX)\|\|(freez_astro)\|\|(kill_shot)\|\|(crash)) return;
		320
		321	soft_task_default_model(mp);
		322	soft_task_def_ctrl_jet(mp);
		323	soft_task_def_arg(mp, (void *)nshot);
		324	soft_task_def_group(mp, SHOT_GROUP);
		325	soft_task_def_met(mp, SHOT_WCET);
		326	soft_task_def_period(mp,SHOT_PERIOD);
		327	soft_task_def_usemath(mp);
		328	pid = task_create("Shot", shot, &mp, NULL);
		329
		330	if (pid != NIL) {
		331	task_activate(pid);
		332	nshot++;
		333	sem_wait(&mx_st_nrg);
		334	energy -= ENERGY_SHOT;
		335	sem_post(&mx_st_nrg);
		336	}
		337	}
		338
		339	void start_astro()
		340	{
		341	freez_astro = 0;
		342	kill_shot = 0;
		343	}
		344
		345	void reset_astro()
		346	{
		347	freez_astro = 1;
		348	sem_wait(&mx_xy);
		349	astro_x = ASTRO_X;
		350	astro_y = ASTRO_Y;
		351	sem_post(&mx_xy);
		352	sem_wait(&mx_pos);
		353	astro_grad = 0;
		354	sem_post(&mx_pos);
		355	sem_wait(&mx_vel);
		356	astro_vel = 0;
		357	sem_post(&mx_vel);
		358	kill_shot = 1;
		359	}
		360
		361	void create_astro_task()
		362	{
		363	HARD_TASK_MODEL mp;
		364	SOFT_TASK_MODEL ms;
		365	PID pid;
		366	int incr;
		367
		368	soft_task_default_model(ms);
		369	soft_task_def_ctrl_jet(ms);
		370	soft_task_def_arg(ms, (void *)nshot);
		371	soft_task_def_met(ms, ASTRO_WCET);
		372	soft_task_def_period(ms,ASTRO_PERIOD);
		373	soft_task_def_usemath(ms);
		374	pid = task_create("Astro", astro, &ms, NULL);
		375	if (pid == NIL) {
1376	giacomo	376	sys_shutdown_message("Could not create task <astro>\n");
1373	giacomo	377	shark_running = 0;
1376	giacomo	378	return;
1162	tavani	379	} else
		380	task_activate(pid);
		381
		382	hard_task_default_model(mp);
		383	hard_task_def_ctrl_jet(mp);
		384	hard_task_def_wcet(mp,LOOK_WCET);
		385	hard_task_def_mit(mp, LOOK_PERIOD);
		386	hard_task_def_usemath(mp);
		387	pid = task_create("Taken", look, &mp, NULL);
		388	if (pid == NIL) {
1376	giacomo	389	sys_shutdown_message("Could not create task <Taken>\n");
1373	giacomo	390	shark_running = 0;
1376	giacomo	391	return;
1162	tavani	392	} else
		393	task_activate(pid);
		394
		395	incr = ASTRO_GRAD_INC;
		396	hard_task_default_model(mp);
		397	hard_task_def_ctrl_jet(mp);
		398	hard_task_def_arg(mp, (void *)incr);
		399	hard_task_def_wcet(mp,ASTRO_WCET);
		400	hard_task_def_mit(mp, ASTRO_MOVE_PERIOD);
		401	hard_task_def_aperiodic(mp);
		402	hard_task_def_usemath(mp);
		403	pid_TL = task_create("TurnLeft", turn, &mp, NULL);
		404	if (pid_TL == NIL) {
1376	giacomo	405	sys_shutdown_message("Could not create task <Turn L>\n");
1373	giacomo	406	shark_running = 0;
1376	giacomo	407	return;
1162	tavani	408	}
		409
		410	incr = - ASTRO_GRAD_INC;
		411	hard_task_default_model(mp);
		412	hard_task_def_ctrl_jet(mp);
		413	hard_task_def_arg(mp, (void *)incr);
		414	hard_task_def_wcet(mp,ASTRO_WCET);
		415	hard_task_def_mit(mp, ASTRO_MOVE_PERIOD);
		416	hard_task_def_aperiodic(mp);
		417	hard_task_def_usemath(mp);
		418	pid_TR = task_create("TurnRight", turn, &mp, NULL);
		419	if (pid_TR == NIL) {
1376	giacomo	420	sys_shutdown_message("Could not create task <Turn R>\n");
1373	giacomo	421	shark_running = 0;
1376	giacomo	422	return;
1162	tavani	423	}
		424
		425	incr = ASTRO_VEL_INC;
		426	hard_task_default_model(mp);
		427	hard_task_def_ctrl_jet(mp);
		428	hard_task_def_arg(mp, (void *)incr);
		429	hard_task_def_wcet(mp,ASTRO_WCET);
		430	hard_task_def_mit(mp, ASTRO_PERIOD);
		431	hard_task_def_aperiodic(mp);
		432	hard_task_def_usemath(mp);
		433	pid_SU = task_create("SpeedUP", speed, &mp, NULL);
		434	if (pid_SU == NIL) {
1376	giacomo	435	sys_shutdown_message("Could not create task <Speed UP>\n");
1373	giacomo	436	shark_running = 0;
1376	giacomo	437	return;
1162	tavani	438	}
		439
		440	incr = - ASTRO_VEL_INC;
		441	hard_task_default_model(mp);
		442	hard_task_def_ctrl_jet(mp);
		443	hard_task_def_arg(mp, (void *)incr);
		444	hard_task_def_wcet(mp,ASTRO_WCET);
		445	hard_task_def_mit(mp, ASTRO_PERIOD);
		446	hard_task_def_aperiodic(mp);
		447	hard_task_def_usemath(mp);
		448	pid_SD = task_create("SpeedDOWN", speed, &mp, NULL);
		449	if (pid_SD == NIL) {
1376	giacomo	450	sys_shutdown_message("Could not create task <Speed DOWN>\n");
1373	giacomo	451	shark_running = 0;
1376	giacomo	452	return;
1162	tavani	453	}
		454
		455	incr = 0;
		456	hard_task_default_model(mp);
		457	hard_task_def_ctrl_jet(mp);
		458	hard_task_def_arg(mp, (void *)incr);
		459	hard_task_def_wcet(mp,ASTRO_WCET);
		460	hard_task_def_mit(mp, ASTRO_PERIOD);
		461	hard_task_def_aperiodic(mp);
		462	hard_task_def_usemath(mp);
		463	pid_SZ = task_create("SpeedZERO", speed, &mp, NULL);
		464	if (pid_SZ == NIL) {
1376	giacomo	465	sys_shutdown_message("Could not create task <Speed ZERO>\n");
1373	giacomo	466	shark_running = 0;
1376	giacomo	467	return;
1162	tavani	468	}
		469
		470	hard_task_default_model(mp);
		471	hard_task_def_ctrl_jet(mp);
		472	hard_task_def_wcet(mp,ASTRO_WCET);
		473	hard_task_def_mit(mp, 6*ASTRO_PERIOD);
		474	hard_task_def_usemath(mp);
		475	pid = task_create("MoveAstro", move, &mp, NULL);
		476	if (pid == NIL) {
1376	giacomo	477	sys_shutdown_message("Could not create task <MoveAstro>\n");
1373	giacomo	478	shark_running = 0;
1376	giacomo	479	return;
1162	tavani	480	} else
		481	task_activate(pid);
		482
		483	#ifdef ASTRO_MOVE
		484	incr = 0;
		485	hard_task_default_model(mp);
		486	hard_task_def_ctrl_jet(mp);
		487	hard_task_def_arg(mp, (void *)incr);
		488	hard_task_def_wcet(mp,ASTRO_WCET);
		489	hard_task_def_mit(mp, ASTRO_PERIOD);
		490	hard_task_def_aperiodic(mp);
		491	hard_task_def_usemath(mp);
		492	pid_FL = task_create("FlipAstro", turn, &mp, NULL);
		493	if (pid_FL == NIL) {
1376	giacomo	494	sys_shutdown_message("Could not create task <Flip Astro>\n");
1373	giacomo	495	shark_running = 0;
1376	giacomo	496	return;
1162	tavani	497	}
		498	#endif
		499	}
		500
		501	void frame_astro()
		502	{
		503	grx_text("Game", 10, 45, RGB_BLUE, RGB_BLACK);
		504	grx_line(GB_XMIN-2,55,GB_XMAX+2,55,RGB_RED);
		505
		506	grx_rect(GB_XMIN-3, GB_YMIN-3, GB_XMAX+3, GB_YMAX+3, RGB_GREEN);
		507
		508	#ifndef ASTRO_MOVE
		509	grx_rect(GB_XMIN-1, GB_YMAX-1, GB_XMAX+1, GB_YMAX+1, RGB_CYAN);
		510	#endif
		511	}
		512
		513	void init_astro()
		514	{
		515	KEY_EVT k;
		516
		517	crash = 0;
		518	freez_astro = 1;
		519	kill_shot = 1;
		520	astro_vel = 0;
		521	astro_grad = 0;
		522	astro_x = ASTRO_X;
		523	astro_y = ASTRO_Y;
		524
		525	create_astro_task();
		526
		527	k.flag = 0;
		528	k.scan = KEY_SPC;
		529	k.ascii = ' ';
1349	giacomo	530	k.status = KEY_PRESSED;
		531	keyb_hook(k,new_shot,FALSE);
1162	tavani	532
		533	k.flag = 0;
		534	k.scan = KEY_O;
		535	k.ascii = 'o';
1349	giacomo	536	k.status = KEY_PRESSED;
		537	keyb_hook(k,pad,FALSE);
1162	tavani	538
		539	k.flag = 0;
		540	k.scan = KEY_P;
		541	k.ascii = 'p';
1349	giacomo	542	k.status = KEY_PRESSED;
		543	keyb_hook(k,pad,FALSE);
1162	tavani	544
		545	k.flag = 0;
		546	k.scan = KEY_S;
		547	k.ascii = 's';
1349	giacomo	548	k.status = KEY_PRESSED;
		549	keyb_hook(k,pad,FALSE);
1162	tavani	550
		551	k.flag = 0;
		552	k.scan = KEY_Z;
		553	k.ascii = 'z';
1349	giacomo	554	k.status = KEY_PRESSED;
		555	keyb_hook(k,pad,FALSE);
1162	tavani	556
		557	#ifdef ASTRO_MOVE
		558	k.flag = 0;
		559	k.scan = KEY_A;
		560	k.ascii = 'a';
1349	giacomo	561	k.status = KEY_PRESSED;
		562	keyb_hook(k,pad,FALSE);
1162	tavani	563
		564	k.flag = 0;
		565	k.scan = KEY_F;
		566	k.ascii = 'f';
1349	giacomo	567	k.status = KEY_PRESSED;
		568	keyb_hook(k,pad,FALSE);
1162	tavani	569	#else
		570	k.flag = 0;
		571	k.scan = KEY_X;
		572	k.ascii = 'x';
1349	giacomo	573	k.status = KEY_PRESSED;
		574	keyb_hook(k,pad,FALSE);
1162	tavani	575
		576	#endif
		577	}

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(root)/demos/trunk/astro/astro.c @ 1390 - Rev 1376