oprf_assets/groundtarget/Nasal/fdm.nas
Nikolai V. Chr 0d3b2dbab4 Trucks
2021-04-27 21:35:10 +02:00

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# Copyright (C) 2015 onox
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#io.include("Aircraft/ExpansionPack/Nasal/init.nas");
#with("updateloop");
print("loading fdm");
# Number of iterations per second
var frequency = 60.0;
# Change in heading per second at full rudder deflection
var heading_ps = 0.5;
time_last = 0;
sim_speed = 1;
var speed = 25;
var last_type = 0;
setprop("/carrier/pitch-deg",0);
setprop("/carrier/pitch-offset",0);
setprop("/carrier/roll-deg",0);
setprop("/carrier/roll-offset",0);
setprop("/carrier/sunk",0);
var arrived = 0;
var PositionUpdater = func () {
settimer( PositionUpdater, 1/frequency );
var position = geo.aircraft_position();
if ( arrived == 0 and getprop("/carrier/sunk") == 0 and getprop("/autopilot/route-manager/wp-last/dist") != nil and getprop("/autopilot/route-manager/wp-last/dist") < 1 ) {
setprop("/sim/multiplay/chat",getprop("sim/multiplay/callsign") ~ " has arrived safely!");
print("arrived");
arrived = 1;
#return;
}
var time_now = getprop("/sim/time/elapsed-sec");
var dt = (time_now - time_last) * sim_speed;
if (dt == 0) return;
time_last = time_now;
#var heading = getprop("/orientation/heading-deg");
#var speed = getprop("/velocities/groundspeed-kt");
var rudder = getprop("/surface-positions/rudder-pos-norm");
if ( getprop("/carrier/sunk") == 0 and getprop("/autopilot/route-manager/active") == 1 ) {
#for event
var cur_waypoint = getprop("/autopilot/route-manager/current-wp");
var cur_wp_lon = getprop("/autopilot/route-manager/route/wp[" ~ cur_waypoint ~ "]/longitude-deg");
var cur_wp_lat = getprop("/autopilot/route-manager/route/wp[" ~ cur_waypoint ~ "]/latitude-deg");
var rm_destination = geo.Coord.new().set_latlon(cur_wp_lat,cur_wp_lon);
var heading = position.course_to(rm_destination);
var distance = speed * globals.KT2MPS * dt;
position.apply_course_distance(heading, distance);
# Set new position
setprop("/position/latitude-deg", position.lat());
setprop("/position/longitude-deg", position.lon());
var g_alt = getprop("/position/ground-elev-ft")+1;
setprop("/position/altitude-ft",g_alt);
# Update heading
var course = heading + rudder * heading_ps * dt;
setprop("/orientation/heading-deg", course);
setprop("velocities/groundspeed-kt",speed);
} else {
setprop("velocities/groundspeed-kt",0);
}
#set pitch
setprop("/orientation/pitch-deg",getprop("/carrier/pitch-deg") + getprop("/carrier/pitch-offset"));
#set roll
setprop("/orientation/roll-deg",getprop("/carrier/roll-deg") + getprop("/carrier/roll-offset"));
var type = getprop("sim/multiplay/generic/int[17]");
if (type != last_type) {
if (damage.hp_max == damage.hp) {
if (type == 0) {damage.hp_max=5;damage.hp=5;speed=25;}#humvee
if (type == 1) {damage.hp_max=100;damage.hp=100;speed=15;}#tank
if (type == 2) {damage.hp_max=75;damage.hp=75;speed=10;}#rocket launcher
if (type == 3) {damage.hp_max=85;damage.hp=85;speed=20;}#small tank
if (type == 4) {damage.hp_max=80;damage.hp=80;speed=20;}#APC (mine proected)
if (type == 5) {damage.hp_max=75;damage.hp=75;speed=20;}#APC
last_type = type;
} else {
print("Can only switch type when not damaged!!");
setprop("sim/multiplay/generic/int[17]", last_type);
}
}
};
PositionUpdater();