+/*
+ * Copyright Droids, Microb Technology (2009)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Revision : $Id: strat_scan.c,v 1.2 2009-11-08 17:24:33 zer0 Exp $
+ *
+ * Olivier MATZ <zer0@droids-corp.org>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include <aversive/pgmspace.h>
+#include <aversive/queue.h>
+#include <aversive/wait.h>
+#include <aversive/error.h>
+
+#include <ax12.h>
+#include <uart.h>
+#include <pwm_ng.h>
+#include <time.h>
+#include <spi.h>
+
+#include <pid.h>
+#include <quadramp.h>
+#include <control_system_manager.h>
+#include <trajectory_manager.h>
+#include <vect_base.h>
+#include <lines.h>
+#include <polygon.h>
+#include <obstacle_avoidance.h>
+#include <blocking_detection_manager.h>
+#include <robot_system.h>
+#include <position_manager.h>
+
+#include <rdline.h>
+#include <parse.h>
+
+
+#include "../common/i2c_commands.h"
+#include "main.h"
+#include "cmdline.h"
+#include "i2c_protocol.h"
+#include "strat.h"
+#include "strat_base.h"
+#include "strat_utils.h"
+#include "strat_avoid.h"
+#include "sensor.h"
+
+#define ERROUT(e) do { \
+ err = e; \
+ goto end; \
+ } while(0)
+
+
+void scanner_dump_state(void)
+{
+ uint8_t status;
+
+ printf_P(PSTR("scanner state:\r\n"));
+ status = sensorboard.scan_status;
+
+ printf_P(PSTR(" status=%x: "), sensorboard.scan_status);
+
+ if (status & I2C_SCAN_DONE)
+ printf_P(PSTR("DONE "));
+ else
+ printf_P(PSTR("RUNNING "));
+ if (status & I2C_SCAN_MAX_COLUMN)
+ printf_P(PSTR("OBSTACLE "));
+
+ printf_P(PSTR("\r\n"));
+
+ if (sensorboard.dropzone_h == -1) {
+ printf_P(PSTR("No zone found\r\n"));
+ return;
+ }
+
+ printf_P(PSTR(" column_h=%d\r\n"), sensorboard.dropzone_h);
+ printf_P(PSTR(" column_x=%d\r\n"), sensorboard.dropzone_x);
+ printf_P(PSTR(" column_y=%d\r\n"), sensorboard.dropzone_y);
+}
+
+/* must be larger than the disc poly */
+#define CHECKPOINT_DIST 600
+
+/* go to a specific angle on disc, if level == -1, don't move arms */
+uint8_t strat_goto_disc_angle(int16_t a_deg, int8_t level)
+{
+ uint8_t err;
+ uint16_t old_spdd, old_spda;
+ double x, y;
+ uint8_t need_clear = 0;
+
+ DEBUG(E_USER_STRAT, "%s(a_deg=%d, level=%d)", __FUNCTION__,
+ a_deg, level);
+
+ strat_get_speed(&old_spdd, &old_spda);
+ strat_set_speed(SPEED_DIST_FAST, SPEED_ANGLE_FAST);
+
+ /* workaround for some static cols configurations */
+ if ((strat_infos.conf.flags & STRAT_CONF_EARLY_SCAN) == 0) {
+ if (time_get_s() > 15)
+ i2c_mechboard_mode_loaded();
+ }
+ /* another workaround for offensive configuration */
+ else {
+ if (strat_infos.i2c_loaded_skipped == 0) {
+ DEBUG(E_USER_STRAT, "%s() need clear");
+ strat_infos.i2c_loaded_skipped = 1;
+ i2c_mechboard_mode_prepare_pickup_next(I2C_AUTO_SIDE,
+ I2C_MECHBOARD_MODE_CLEAR);
+ need_clear = 1;
+ }
+ else
+ i2c_mechboard_mode_loaded();
+ }
+
+
+ /* calculate the checkpoint */
+ x = CHECKPOINT_DIST;
+ y = 0;
+ rotate(&x, &y, RAD(a_deg));
+ x += CENTER_X;
+ y += CENTER_Y;
+
+ err = goto_and_avoid(x, y, TRAJ_FLAGS_STD,
+ TRAJ_FLAGS_NO_NEAR);
+ if (!TRAJ_SUCCESS(err))
+ ERROUT(err);
+
+ /* early offensive conf only */
+ if (need_clear) {
+ err = WAIT_COND_OR_TIMEOUT(get_column_count() == 2,
+ 3000L);
+ DEBUG(E_USER_STRAT, "%s() offensive: err=%d", err);
+ if (err == 0) /* timeout */
+ return END_ERROR;
+ }
+ err = strat_goto_disc(level);
+
+ end:
+ strat_set_speed(old_spdd, old_spda);
+ return err;
+
+}
+
+/* only valid for temple on disc */
+int16_t strat_get_temple_angle(struct temple *temple)
+{
+ int16_t x, y;
+ double a;
+
+ x = temple->x;
+ y = temple->y;
+ x -= CENTER_X;
+ y -= CENTER_Y;
+ a = atan2(y, x);
+ return DEG(a);
+}
+
+#define SCAN_ANGLE_OFFSET (-40)
+int16_t strat_temple_angle_to_scan_angle(int16_t temple_angle)
+{
+ return temple_angle + SCAN_ANGLE_OFFSET;
+}
+
+/* start to scan after this distance */
+#define DIST_START_SCAN 50
+
+/* scan during this distance (includes DIST_START_SCAN) */
+#define DIST_SCAN 430
+
+/* speed of the scan */
+#define SPEED_SCAN 450
+
+/* from scanner point of view */
+#define DISC_CENTER_X 15
+#define DISC_CENTER_Y 13
+
+/* distance of the checkpoint */
+#define CKPT_DST 550.
+
+/* to convert in robot coordinates */
+#define SIDE_OFFSET (ROBOT_WIDTH/2)
+#define DIST_OFFSET (DIST_SCAN - DIST_START_SCAN)
+
+/* center of the disc in robot coordinates */
+#define CENTER_X_SCANNER 166
+#define CENTER_Y_SCANNER 174
+
+/* center of the disc in scanner millimeters coordinates */
+#define CENTER_X_SCANNER2 120
+#define CENTER_Y_SCANNER2 155
+
+/* structure filled by strat_scan_disc() */
+struct scan_disc_result {
+#define SCAN_FAILED 0
+#define SCAN_VALID 1
+ uint8_t status;
+
+#define SCAN_ACTION_BUILD_TEMPLE 0
+#define SCAN_ACTION_BUILD_COL 1
+ uint8_t action;
+
+ uint8_t level;
+};
+
+#define SCAN_MODE_CHECK_TEMPLE 0
+#define SCAN_MODE_SCAN_COL 1
+#define SCAN_MODE_SCAN_TEMPLE 2
+
+int8_t strat_scan_get_checkpoint(uint8_t mode, int16_t *ckpt_rel_x,
+ int16_t *ckpt_rel_y, int16_t *back_mm)
+{
+ int16_t center_rel_x, center_rel_y;
+ int16_t col_rel_x, col_rel_y;
+ int16_t col_vect_x, col_vect_y;
+ double col_vect_norm;
+ int16_t ckpt_vect_x, ckpt_vect_y;
+
+ /* do some filtering */
+ if (mode == SCAN_MODE_SCAN_TEMPLE &&
+ sensorboard.dropzone_x > CENTER_X_SCANNER) {
+ DEBUG(E_USER_STRAT, "x too big");
+ return -1;
+ }
+
+ /* process relative pos from robot point of view */
+ center_rel_x = DIST_OFFSET - CENTER_Y_SCANNER;
+ center_rel_y = -(SIDE_OFFSET + CENTER_X_SCANNER);
+
+ col_rel_x = DIST_OFFSET - sensorboard.dropzone_y;
+ col_rel_y = -(SIDE_OFFSET + sensorboard.dropzone_x);
+ DEBUG(E_USER_STRAT, "col_rel = %d,%d", col_rel_x, col_rel_y);
+
+ /* vector from center to column */
+ col_vect_x = col_rel_x - center_rel_x;
+ col_vect_y = col_rel_y - center_rel_y;
+ col_vect_norm = norm(col_vect_x, col_vect_y);
+
+ /* vector from center to ckpt */
+ ckpt_vect_x = (double)(col_vect_x) * CKPT_DST / col_vect_norm;
+ ckpt_vect_y = (double)(col_vect_y) * CKPT_DST / col_vect_norm;
+
+ /* rel pos of ckpt */
+ *ckpt_rel_x = center_rel_x + ckpt_vect_x;
+ *ckpt_rel_y = center_rel_y + ckpt_vect_y;
+
+ /* do some filtering */
+ if (col_vect_norm > 150 || col_vect_norm < 30) {
+ DEBUG(E_USER_STRAT, "bad norm");
+ return -1;
+ }
+
+ if (mode == SCAN_MODE_SCAN_TEMPLE) {
+ if (col_vect_norm > 50) {
+ *back_mm = ABS(col_vect_norm-50);
+ }
+ }
+ return 0;
+}
+
+/*
+ * scan the disc: return END_TRAJ on success (and status in result is
+ * set to SCAN_VALID). In this case, all the scan_disc_result
+ * structure is filled with appropriate parameters. mode can be
+ * 'check' or 'scan_col'. Note that if we do a check_temple, the level
+ * field in structure must be filled first by the caller.
+ */
+uint8_t strat_scan_disc(int16_t angle, uint8_t mode,
+ struct scan_disc_result *result)
+{
+ uint16_t old_spdd, old_spda;
+ uint8_t err, stop_scanner = 0;
+ uint8_t original_mode = mode;
+ int16_t pos1x, pos1y, dist;
+ int16_t back_mm = 0;
+
+ int16_t ckpt_rel_x = 0, ckpt_rel_y = 0;
+
+ double center_abs_x, center_abs_y;
+ double ckpt_rel_d, ckpt_rel_a;
+ double ckpt_abs_x, ckpt_abs_y;
+
+ /* mark status as failed for now */
+ result->status = SCAN_FAILED;
+
+ DEBUG(E_USER_STRAT, "%s(angle=%d)", __FUNCTION__, angle);
+
+ strat_get_speed(&old_spdd, &old_spda);
+
+ /* go on disc */
+ err = strat_goto_disc_angle(angle, -1);
+ if (!TRAJ_SUCCESS(err))
+ ERROUT(err);
+
+ /* wait opponent before scanning */
+ if (strat_infos.conf.wait_opponent > 0) {
+ int16_t opp_x, opp_y, opp_d, opp_a;
+ int8_t err;
+ microseconds us;
+
+ us = time_get_us2();
+ while ((err = get_opponent_xyda(&opp_x, &opp_y,
+ &opp_d, &opp_a)) == 0) {
+ if (opp_d > 600)
+ break;
+ if (opp_a < 180)
+ break;
+
+ if (time_get_us2() - us >= (uint32_t)strat_infos.conf.wait_opponent * 1000000L)
+ return END_ERROR;
+ }
+ }
+
+ /* save absolute position of disc */
+ rel_da_to_abs_xy(265, 0, ¢er_abs_x, ¢er_abs_y);
+
+ strat_limit_speed_disable();
+
+ /* go back and prepare to scan */
+ strat_set_speed(1000, 1000);
+ trajectory_d_a_rel(&mainboard.traj, -140, 130);
+ err = wait_traj_end(TRAJ_FLAGS_SMALL_DIST);
+ if (!TRAJ_SUCCESS(err))
+ ERROUT(err);
+
+ /* XXX check that opp is not behind us */
+
+ /* prepare scanner */
+
+ stop_scanner = 1;
+ i2c_sensorboard_scanner_prepare();
+ time_wait_ms(250); /* XXX to remove ? */
+
+ strat_set_speed(SPEED_SCAN, 1000);
+
+ pos1x = position_get_x_s16(&mainboard.pos);
+ pos1y = position_get_y_s16(&mainboard.pos);
+ trajectory_d_rel(&mainboard.traj, -DIST_SCAN);
+
+ while (1) {
+ err = test_traj_end(TRAJ_FLAGS_SMALL_DIST);
+ if (err != 0)
+ break;
+
+ dist = distance_from_robot(pos1x, pos1y);
+
+ if (dist > DIST_START_SCAN)
+ break;
+
+ if (get_scanner_status() & I2C_SCAN_MAX_COLUMN) {
+ err = END_ERROR;
+ break;
+ }
+ }
+
+ if (err) {
+ if (TRAJ_SUCCESS(err))
+ err = END_ERROR; /* should not reach end */
+ strat_hardstop();
+ trajectory_goto_xy_abs(&mainboard.traj, pos1x, pos1y);
+ wait_traj_end(TRAJ_FLAGS_SMALL_DIST);
+ ERROUT(err);
+ }
+
+ /* start the scanner */
+
+ i2c_sensorboard_scanner_start();
+
+ err = WAIT_COND_OR_TRAJ_END(get_scanner_status() & I2C_SCAN_MAX_COLUMN,
+ TRAJ_FLAGS_NO_NEAR);
+ if (err == 0)
+ err = END_ERROR;
+ if (!TRAJ_SUCCESS(err)) {
+ strat_hardstop();
+ trajectory_goto_xy_abs(&mainboard.traj, pos1x, pos1y);
+ wait_traj_end(TRAJ_FLAGS_NO_NEAR);
+ ERROUT(err);
+ }
+
+ wait_scan_done(1000);
+
+ i2c_sensorboard_scanner_stop();
+ stop_scanner = 0;
+
+ if (mode == SCAN_MODE_CHECK_TEMPLE) {
+ i2c_sensorboard_scanner_algo_check(result->level,
+ CENTER_X_SCANNER2,
+ CENTER_Y_SCANNER2);
+ i2cproto_wait_update();
+ wait_scan_done(1000);
+ scanner_dump_state();
+
+ if (sensorboard.dropzone_h == -1 &&
+ !(strat_infos.conf.flags & STRAT_CONF_SKIP_WHEN_CHECK_FAILS)) {
+ DEBUG(E_USER_STRAT, "-- try to build a temple");
+ mode = SCAN_MODE_SCAN_TEMPLE;
+ }
+ else {
+ result->action = SCAN_ACTION_BUILD_TEMPLE;
+ /* level is already set by caller */
+ }
+ }
+
+ if (mode == SCAN_MODE_SCAN_TEMPLE) {
+ i2c_sensorboard_scanner_algo_temple(I2C_SCANNER_ZONE_DISC,
+ DISC_CENTER_X,
+ DISC_CENTER_Y);
+ i2cproto_wait_update();
+ wait_scan_done(1000);
+ scanner_dump_state();
+
+ if (sensorboard.dropzone_h == -1 ||
+ strat_scan_get_checkpoint(mode, &ckpt_rel_x,
+ &ckpt_rel_y, &back_mm)) {
+ if (original_mode != SCAN_MODE_CHECK_TEMPLE) {
+ DEBUG(E_USER_STRAT, "-- try to build a column");
+ mode = SCAN_MODE_SCAN_COL;
+ }
+ else {
+ DEBUG(E_USER_STRAT, "-- check failed");
+ }
+ }
+ else {
+ result->action = SCAN_ACTION_BUILD_TEMPLE;
+ result->level = sensorboard.dropzone_h;
+ }
+ }
+
+ if (mode == SCAN_MODE_SCAN_COL) {
+ i2c_sensorboard_scanner_algo_column(I2C_SCANNER_ZONE_DISC,
+ DISC_CENTER_X,
+ DISC_CENTER_Y);
+ i2cproto_wait_update();
+ wait_scan_done(1000);
+ scanner_dump_state();
+
+ if (sensorboard.dropzone_h == -1 ||
+ strat_scan_get_checkpoint(mode, &ckpt_rel_x,
+ &ckpt_rel_y, &back_mm)) {
+ ERROUT(END_ERROR);
+ }
+ else {
+ result->action = SCAN_ACTION_BUILD_COL;
+ result->level = sensorboard.dropzone_h;
+ }
+ }
+
+ if (sensorboard.dropzone_h == -1) {
+ ERROUT(END_ERROR);
+ }
+
+ if (mode == SCAN_MODE_CHECK_TEMPLE) {
+ ckpt_rel_x = 220;
+ ckpt_rel_y = 100;
+ }
+
+ DEBUG(E_USER_STRAT, "rel xy for ckpt is %d,%d", ckpt_rel_x, ckpt_rel_y);
+
+ rel_xy_to_abs_xy(ckpt_rel_x, ckpt_rel_y, &ckpt_abs_x, &ckpt_abs_y);
+ abs_xy_to_rel_da(ckpt_abs_x, ckpt_abs_y, &ckpt_rel_d, &ckpt_rel_a);
+
+ DEBUG(E_USER_STRAT, "abs ckpt is %2.2f,%2.2f", ckpt_abs_x, ckpt_abs_y);
+
+ strat_set_speed(SPEED_DIST_FAST, SPEED_ANGLE_FAST);
+
+ /* intermediate checkpoint for some positions */
+ if ( (DEG(ckpt_rel_a) < 0 && DEG(ckpt_rel_a) > -90) ) {
+ trajectory_goto_xy_rel(&mainboard.traj, 200, 100);
+ err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
+ if (!TRAJ_SUCCESS(err))
+ ERROUT(err);
+ }
+
+ trajectory_goto_xy_abs(&mainboard.traj, ckpt_abs_x, ckpt_abs_y);
+ err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
+ if (!TRAJ_SUCCESS(err))
+ ERROUT(err);
+
+ if (result->action == SCAN_ACTION_BUILD_TEMPLE) {
+ i2c_mechboard_mode_prepare_build_both(result->level);
+ }
+
+ trajectory_turnto_xy(&mainboard.traj, center_abs_x, center_abs_y);
+ err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
+ if (!TRAJ_SUCCESS(err))
+ ERROUT(err);
+
+ pos1x = position_get_x_s16(&mainboard.pos);
+ pos1y = position_get_y_s16(&mainboard.pos);
+
+ strat_set_speed(SPEED_DIST_SLOW, SPEED_ANGLE_SLOW);
+ trajectory_d_rel(&mainboard.traj, 400);
+ err = WAIT_COND_OR_TRAJ_END(distance_from_robot(pos1x, pos1y) > 200,
+ TRAJ_FLAGS_SMALL_DIST);
+ if (err == 0) {
+ strat_set_speed(SPEED_DIST_VERY_SLOW, SPEED_ANGLE_VERY_SLOW);
+ trajectory_d_rel(&mainboard.traj, 400);
+ err = wait_traj_end(TRAJ_FLAGS_SMALL_DIST);
+ }
+ if (TRAJ_SUCCESS(err))
+ err = END_ERROR; /* should not reach end */
+ if (err != END_BLOCKING && !TRAJ_SUCCESS(err))
+ ERROUT(err);
+
+ if (back_mm) {
+ trajectory_d_rel(&mainboard.traj, -back_mm);
+ wait_traj_end(TRAJ_FLAGS_SMALL_DIST);
+ }
+
+ result->status = SCAN_VALID;
+
+ strat_limit_speed_enable();
+ return END_TRAJ;
+
+ end:
+ if (stop_scanner)
+ i2c_sensorboard_scanner_stop();
+ strat_limit_speed_enable();
+ strat_set_speed(old_spdd, old_spda);
+ return err;
+
+}
+
+/* do action according to scanner result. temple argument can be NULL
+ * if it's a new one (from opponent) or it can be our previous
+ * temple. */
+uint8_t strat_scan_do_action(struct scan_disc_result *scan_result,
+ struct temple *temple, struct build_zone *zone)
+{
+ uint8_t err;
+
+ /* remove the temple from the list */
+ if (scan_result->status != SCAN_VALID)
+ return END_ERROR;
+
+ if (temple) {
+ /* we were scanning a temple, remove it */
+ if (scan_result->level != temple->level_l) {
+ temple->flags = 0;
+ temple = NULL;
+ }
+ }
+
+ if (temple == NULL) {
+ temple = strat_get_free_temple();
+ if (temple == NULL)
+ return END_ERROR;
+ memset(temple, 0, sizeof(*temple));
+ temple->level_l = scan_result->level;
+ temple->level_r = scan_result->level;
+ temple->flags = TEMPLE_F_OPPONENT |
+ TEMPLE_F_VALID | TEMPLE_F_LINTEL;
+ temple->zone = zone;
+ }
+ zone->flags |= ZONE_F_BUSY;
+
+ switch (scan_result->action) {
+
+ case SCAN_ACTION_BUILD_COL:
+ err = strat_grow_temple_column(temple);
+ break;
+
+ case SCAN_ACTION_BUILD_TEMPLE:
+ err = strat_grow_temple(temple);
+ break;
+ default:
+ err = END_TRAJ;
+ break;
+ }
+ if (!TRAJ_SUCCESS(err))
+ temple->flags = 0;
+ return err;
+}
+
+uint8_t strat_build_on_opponent_temple(void)
+{
+ struct temple *temple;
+ uint8_t err;
+ struct scan_disc_result scan_result;
+ int16_t temple_angle;
+
+ if (time_get_s() < strat_infos.conf.scan_opp_min_time)
+ return END_TRAJ;
+
+ strat_infos.conf.scan_opp_min_time =
+ time_get_s() + strat_infos.conf.delay_between_opp_scan;
+
+ /* scan on disc only */
+ if (strat_infos.conf.scan_opp_angle == -1) {
+ temple = strat_get_our_temple_on_disc(0);
+
+ /* scan the opposite of our temple if we found
+ * one on disc */
+ if (temple) {
+ temple_angle = strat_get_temple_angle(temple);
+ temple_angle += 180;
+ if (temple_angle > 180)
+ temple_angle -= 360;
+ }
+ /* else scan at 0 deg (opponent side) */
+ else {
+ temple_angle = 0;
+ }
+ }
+ else {
+ /* user specified scan position */
+ temple_angle = strat_infos.conf.delay_between_opp_scan;
+ if (temple_angle > 180)
+ temple_angle -= 360;
+ }
+ temple_angle = strat_temple_angle_to_scan_angle(temple_angle);
+
+
+ err = strat_scan_disc(temple_angle, SCAN_MODE_SCAN_TEMPLE,
+ &scan_result);
+ if (!TRAJ_SUCCESS(err))
+ return err;
+
+ /* XXX on disc only */
+ err = strat_scan_do_action(&scan_result, NULL,
+ &strat_infos.zone_list[0]);
+
+ if (!TRAJ_SUCCESS(err))
+ return err;
+
+ err = strat_escape(&strat_infos.zone_list[0], TRAJ_FLAGS_STD);
+ return err;
+}
+
+uint8_t strat_check_temple_and_build(void)
+{
+ struct temple *temple;
+ uint8_t err;
+ struct scan_disc_result scan_result;
+ int16_t temple_angle;
+
+ if (time_get_s() < strat_infos.conf.scan_our_min_time)
+ return END_TRAJ;
+ strat_infos.conf.scan_our_min_time =
+ time_get_s() + strat_infos.conf.delay_between_our_scan;
+
+ /* on disc only, symetric only */
+ temple = strat_get_our_temple_on_disc(1);
+ if (temple == NULL)
+ return END_TRAJ;
+
+ temple_angle = strat_get_temple_angle(temple);
+ temple_angle = strat_temple_angle_to_scan_angle(temple_angle);
+
+ scan_result.level = temple->level_l;
+ err = strat_scan_disc(temple_angle, SCAN_MODE_CHECK_TEMPLE,
+ &scan_result);
+ if (scan_result.status != SCAN_VALID) {
+ temple->flags = 0;
+ temple = NULL;
+ }
+ /* no column after a temple check */
+ else if (scan_result.action == SCAN_ACTION_BUILD_COL &&
+ time_get_s() < 70)
+ err = END_ERROR;
+ if (!TRAJ_SUCCESS(err))
+ return err;
+
+ err = strat_scan_do_action(&scan_result, temple,
+ temple->zone);
+ if (!TRAJ_SUCCESS(err))
+ return err;
+
+ err = strat_escape(&strat_infos.zone_list[0], TRAJ_FLAGS_STD);
+ return err;
+}