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#
# Install: Include this code into an aircraft to make it damagable. (remember to add it to the -set file)
#
# Authors: Nikolai V. Chr. and Pinto (with improvement by Onox)
#
#
############################ Config ######################################################################################
var full_damage_dist_m = 3;# Can vary from aircraft to aircraft depending on how many failure modes it has.
# Many modes (like Viggen) ought to have lower number like zero.
# Few modes (like F-14) ought to have larger number such as 3.
# For assets this should be average radius of the asset.
var use_hitpoints_instead_of_failure_modes_bool = 1;# mainly used by assets that don't have failure modes.
var hp_max = 80;# given a direct hit, how much pounds of warhead is needed to kill. Only used if hitpoints is enabled.
var hitable_by_air_munitions = 0; # if anti-air can do damage
var hitable_by_cannon = 1; # if cannon can do damage
var hitable_by_ground_munitions = 1;# if anti-ground/marine can do damage
var is_fleet = 0; # Is really 7 ships, 3 of which has offensive missiles.
##########################################################################################################################
##
## TODO:
## Include mechanics for hitting fleet
## Move all to emesary
##
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var TRUE = 1;
var FALSE = 0;
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var hp = hp_max;
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setprop("sam/damage", math.max(0,100*hp/hp_max));#used in HUD
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var cannon_types = {
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#
# 0.20 means a direct hit will disable 20% of the failure modes on average.
# or, 0.20 also means a direct hit can do 20 hitpoints damage.
#
" M70 rocket hit": 0.250, #135mm
" S-5 rocket hit": 0.200, # 55mm
" M55 cannon shell hit": 0.100, # 30mm
" KCA cannon shell hit": 0.100, # 30mm
" Gun Splash On ": 0.100, # 30mm
" GSh-30 hit": 0.100, # 30mm
" GAU-8/A hit": 0.100, # 30mm
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" Mk3Z hit": 0.100, # 30mm Jaguar
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" BK27 cannon hit": 0.070, # 27mm
" GSh-23 hit": 0.065, # 23mm
" M61A1 shell hit": 0.050, # 20mm
" 50 BMG hit": 0.015, # 12.7mm (non-explosive)
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" 7.62 hit": 0.005, # 7.62mm (non-explosive)
" Hydra-70 hit": 0.250, # F-16
" SNEB hit": 0.250, # Jaguar
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};
# lbs of warheads is explosive+fragmentation+fuse, so total warhead mass.
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var warhead_lbs = {
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# Anti-ground/marine warheads (sorted alphabetically)
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"AGM-65": 126.00,
"AGM-84": 488.00,
"AGM-88": 146.00,
"AGM65": 200.00,
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"AGM-119": 264.50,
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"AGM-154A": 493.00,
"AGM-158": 1000.00,
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"ALARM": 450.00,
"AM39-Exocet": 364.00,
"AS-37-Martel": 330.00,
"AS30L": 529.00,
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"BL755": 100.00,# 800lb bomblet warhead. Mix of armour piecing and HE. 100 due to need to be able to kill buk-m2.
"CBU-87": 100.00,# bomblet warhead. Mix of armour piecing and HE. 100 due to need to be able to kill buk-m2.
"CBU-105": 100.00,# bomblet warhead. Mix of armour piecing and HE. 100 due to need to be able to kill buk-m2.
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"Exocet": 364.00,
"FAB-100": 92.59,
"FAB-250": 202.85,
"FAB-500": 564.38,
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"GBU-12": 190.00,
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"GBU-24": 945.00,
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"GBU-31": 945.00,
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"GBU-54": 190.00,
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"GBU12": 190.00,
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"GBU16": 450.00,
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"HVAR": 7.50,#P51
"KAB-500": 564.38,
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"Kh-25MP": 197.53,
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"Kh-66": 244.71,
"LAU-68": 10.00,
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"M71": 200.00,
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"M71R": 200.00,
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"M90": 10.00,# bomblet warhead. x3 of real mass.
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"MK-82": 192.00,
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"MK-83": 445.00,
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"MK-83HD": 445.00,
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"MK-84": 945.00,
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"OFAB-100": 92.59,
"RB-04E": 661.00,
"RB-05A": 353.00,
"RB-15F": 440.92,
"RB-75": 126.00,
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"RN-14T": 800.00, #fictional, thermobaeric replacement for the RN-24 nuclear bomb
"RN-18T": 1200.00, #fictional, thermobaeric replacement for the RN-28 nuclear bomb
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"RS-2US": 28.66,
"S-21": 245.00,
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"S-24": 271.00,
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"SCALP": 992.00,
"Sea Eagle": 505.00,
"SeaEagle": 505.00,
"STORMSHADOW": 850.00,
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"ZB-250": 236.99,
"ZB-500": 473.99,
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};
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var warhead_air_lbs = {
# Anti-air warheads (sorted alphabetically)
"aim-120": 44.00,
"AIM-120": 44.00,
"AIM-54": 135.00,
"aim-7": 88.00,
"AIM-7": 88.00,
"aim-9": 20.80,
"AIM-9": 20.80,
"AIM120": 44.00,
"AIM132": 22.05,
"AIM9": 20.80,
"KN-06": 315.00,
"M317": 145.00,
"Magic-2": 27.00,
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"Majic": 26.45,
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"Matra MICA": 30.00,
"Matra R550 Magic 2": 27.00,
"MATRA-R530": 55.00,
"MatraMica": 30.00,
"MatraMicaIR": 30.00,
"MatraR550Magic2": 27.00,
"Meteor": 55.00,
"MICA-EM": 30.00,
"MICA-IR": 30.00,
"R-13M": 16.31,
"R-27R1": 85.98,
"R-27T1": 85.98,
"R-3R": 16.31,
"R-3S": 16.31,
"R-55": 20.06,
"R-60": 6.60,
"R-60M": 7.70,
"R-73E": 16.31,
"R-77": 49.60,
"R74": 16.00,
"RB-05A": 353.00,
"RB-24": 20.80,
"RB-24J": 20.80,
"RB-71": 88.00,
"RB-74": 20.80,
"RB-99": 44.00,
"S530D": 66.00,
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"S48N6": 330.00,# 48N6 from S-300pmu
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};
var cluster = {
# cluster munition list
"M90": nil,
"CBU-87": nil,
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"CBU-105": nil,
"BL755": nil,
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};
var fireMsgs = {
# F14
" FOX3 at": nil, # radar
" FOX2 at": nil, # heat
" FOX1 at": nil, # semi-radar
# Generic
" Fox 1 at": nil, # semi-radar
" Fox 2 at": nil, # heat
" Fox 3 at": nil, # radar
" Greyhound at": nil, # cruise missile
" Bombs away at": nil, # bombs
" Bruiser at": nil, # anti-ship
" Rifle at": nil, # TV guided
" Sniper at": nil, # anti-radiation
# SAM, fleet and missile frigate
" Bird away at": nil, # G/A
# F15
" aim7 at": nil,
" aim9 at": nil,
" aim120 at": nil,
};
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var incoming_listener = func {
var history = getprop("/sim/multiplay/chat-history");
var hist_vector = split("\n", history);
if (size(hist_vector) > 0) {
var last = hist_vector[size(hist_vector)-1];
var last_vector = split(":", last);
var author = last_vector[0];
var callsign = getprop("sim/multiplay/callsign");
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callsign = size(callsign) < 8 ? callsign : left(callsign,7);
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if (size(last_vector) > 1 and author != callsign) {
# not myself
#print("not me");
var m2000 = FALSE;
if (find(" at " ~ callsign ~ ". Release ", last_vector[1]) != -1) {
# a m2000 is firing at us
m2000 = TRUE;
}
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if (contains(fireMsgs, last_vector[1]) or m2000 == TRUE) {
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# air2air being fired
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warn(last_vector,m2000,callsign,author);
} elsif (getprop("payload/armament/msg")) {
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var last1 = split(" ", last_vector[1]);
if(size(last1) > 2 and last1[size(last1)-1] == "exploded" ) {
#print("missile hitting someone");
if (size(last_vector) > 3 and last_vector[3] == " "~callsign) {
#print("that someone is me!");
var type = last1[1];
if (type == "Matra" or type == "Sea") {
for (var i = 2; i < size(last1)-1; i += 1) {
type = type~" "~last1[i];
}
}
var number = split(" ", last_vector[2]);
var distance = num(number[1]);
#print(type~"|");
if(distance != nil) {
var dist = distance;
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if (contains(cluster, type)) {
# cluster munition
var lbs = warhead_lbs[type];
var maxDist = maxDamageDistFromWarhead(lbs);
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var distance = math.max(0,rand()*5-full_damage_dist_m);#being 0 to 5 meters from a bomblet on average.
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var diff = math.max(0, maxDist-distance);
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diff = diff * diff;
var probability = diff / (maxDist*maxDist);
if (use_hitpoints_instead_of_failure_modes_bool) {
var hpDist = maxDamageDistFromWarhead(hp_max);
probability = (maxDist/hpDist)*probability;
}
var failed = fail_systems(probability, hp_max);
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var percent = 100 * probability;
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printf("Took %.1f%% damage from %s clusterbomb at %0.1f meters from bomblet. %s systems was hit", percent,type,distance,failed);
nearby_explosion();
return;
}
distance = math.max(distance-full_damage_dist_m, 0);
var maxDist = 0;# distance where the explosion dont hurt us anymore
var lbs = 0;
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if (hitable_by_ground_munitions and contains(warhead_lbs, type)) {
lbs = warhead_lbs[type];
maxDist = maxDamageDistFromWarhead(lbs);#3*sqrt(lbs)
} elsif (hitable_by_air_munitions and contains(warhead_air_lbs, type)) {
lbs = warhead_air_lbs[type];
maxDist = maxDamageDistFromWarhead(lbs);
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} else {
return;
}
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var diff = maxDist-distance;
if (diff < 0) {
diff = 0;
}
diff = diff * diff;
var probability = diff / (maxDist*maxDist);
if (use_hitpoints_instead_of_failure_modes_bool) {
var hpDist = maxDamageDistFromWarhead(hp_max);
probability = (maxDist/hpDist)*probability;
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}
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var failed = fail_systems(probability, hp_max);
var percent = 100 * probability;
printf("Took %.1f%% damage from %s missile at %0.1f meters. %s systems was hit", percent,type,dist,failed);
nearby_explosion();
####
# I don't remember all the considerations that went into our original warhead damage model.
# But looking at the formula it looks like they all do 100% damage at 0 meter hit,
# and warhead size is only used to determine the decrease of damage with distance increase.
# It sorta gets the job done though, so I am hesitant to advocate that warheads above a certain
# size should give 100% damage for some distance, and that warheads smaller than certain size should
# not give 100% damage even on direct hit.
# Anyway, for hitpoint based assets, this is now the case. Maybe we should consider to also do something
# similar for failure mode based aircraft. ~Nikolai
####
## example 1: ##
# 300 lbs warhead, 50 meters distance
# maxDist=52
# diff = 52-50 = 2
# diff^2 = 4
# prob = 4/2700 = 0.15%
## example 2: ##
# 300 lbs warhead, 25 meters distance
# maxDist=52
# diff = 52-25 = 27
# diff^2 = 729
# prob = 729/2700 = 27%
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}
}
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} elsif (hitable_by_cannon and cannon_types[last_vector[1]] != nil) {
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if (size(last_vector) > 2 and last_vector[2] == " "~callsign) {
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if (size(last_vector) < 4) {
# msg is either missing number of hits, or has no trailing dots from spam filter.
print('"'~last~'" is not a legal hit message, tell the shooter to upgrade his OPRF plane :)');
return;
}
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var last3 = split(" ", last_vector[3]);
if(size(last3) > 2 and size(last3[2]) > 2 and last3[2] == "hits" ) {
var probability = cannon_types[last_vector[1]];
var hit_count = num(last3[1]);
if (hit_count != nil) {
var damaged_sys = 0;
for (var i = 1; i <= hit_count; i = i + 1) {
var failed = fail_systems(probability);
damaged_sys = damaged_sys + failed;
}
printf("Took %.1f%% x %2d damage from cannon! %s systems was hit.", probability*100, hit_count, damaged_sys);
nearby_explosion();
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}
} else {
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var probability = cannon_types[last_vector[1]];
#print("probability: " ~ probability);
var failed = fail_systems(probability * 3);# Old messages is assumed to be 3 hits
printf("Took %.1f%% x 3 damage from cannon! %s systems was hit.", probability*100, failed);
nearby_explosion();
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}
}
}
}
}
}
}
var maxDamageDistFromWarhead = func (lbs) {
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# Calc at what distance the warhead will do zero damage every time.
var dist = 3*math.sqrt(lbs);
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return dist;
}
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var fail_systems = func (probability, factor = 100) {#this factor needs tuning after all asset hitpoints have been evaluated.
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if (is_fleet) {
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return fail_fleet_systems(probability, factor);
} elsif (use_hitpoints_instead_of_failure_modes_bool) {
hp -= factor * probability*(0.75+rand()*0.25);# from 75 to 100% damage
printf("HP: %d/%d", hp, hp_max);
setprop("sam/damage", math.max(0,100*hp/hp_max));#used in HUD
if ( hp < 0 ) {
setprop("/carrier/sunk/",1);#we are dead
setprop("/sim/multiplay/generic/int[2]",1);#radar off
setprop("/sim/multiplay/generic/int[0]",1);#smoke on
setprop("/sim/messages/copilot", getprop("sim/multiplay/callsign")~" dead.");
}
return -1;
} else {
var failure_modes = FailureMgr._failmgr.failure_modes;
var mode_list = keys(failure_modes);
var failed = 0;
foreach(var failure_mode_id; mode_list) {
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#print(failure_mode_id);
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if (rand() < probability) {
FailureMgr.set_failure_level(failure_mode_id, 1);
failed += 1;
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if (failure_mode_id == "Engines/engine") {
# fail UH1 yasim:
setprop("sim/model/uh1/state",0);
setprop("controls/engines/engine/magnetos", 0);
#set a listener so that if a restart is attempted, it'll fail.
yasim_list = setlistener("sim/model/uh1/state",func {setprop("sim/model/uh1/state",0);});
}
}
}
if (rand() < probability) {
# fail UH1 yasim:
setprop("sim/model/uh1/state",0);
setprop("controls/engines/engine/magnetos", 0);
#set a listener so that if a restart is attempted, it'll fail.
if (yasim_list == nil) {
yasim_list = setlistener("sim/model/uh1/state",func {setprop("sim/model/uh1/state",0);});
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}
}
return failed;
}
};
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var yasim_list = nil;
var repairYasim = func {
if (yasim_list != nil) {
removelistener(yasim_list);
yasim_list = nil;
}
setprop("sim/crashed", 0);
var failure_modes = FailureMgr._failmgr.failure_modes;
var mode_list = keys(failure_modes);
foreach(var failure_mode_id; mode_list) {
FailureMgr.set_failure_level(failure_mode_id, 0);
}
}
setlistener("/sim/signals/reinit", repairYasim);
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hp_f = [hp_max,hp_max,hp_max,hp_max,hp_max,hp_max,hp_max];
var fail_fleet_systems = func (probability, factor) {
var no = 7;
while (no > 6 or hp_f[no] < 0) {
no = int(rand()*7);
if (hp_f[no] < 0) {
if (rand() > 0.9) {
armament.defeatSpamFilter("You shot one of our already sinking ships, you are just mean.");
hp_f[no] -= factor * probability*(0.75+rand()*0.25);# from 75 to 100% damage
print("HP["~no~"]: " ~ hp_f[no] ~ "/" ~ hp_max);
return;
}
}
}
hp_f[no] -= factor * probability*(0.75+rand()*0.25);# from 75 to 100% damage
printf("HP[%d]: %d/%d", no, hp_f[no], hp_max);
#setprop("sam/damage", math.max(0,100*hp/hp_max));#used in HUD
if ( hp_f[no] < 0 ) {
setprop("/sim/multiplay/generic/bool["~(no+40)~"]",1);
armament.defeatSpamFilter("So you sank one of our ships, we will get you for that!");
if (!getprop("/carrier/disabled") and hp_f[0]<0 and hp_f[1]<0 and hp_f[2]<0) {
setprop("/carrier/disabled",1);
armament.defeatSpamFilter("Captain our offensive capability is crippled!");
}
if (hp_f[0]<0 and hp_f[1]<0 and hp_f[2]<0 and hp_f[3]<0 and hp_f[4]<0 and hp_f[5]<0 and hp_f[6]<0) {
setprop("/carrier/sunk",1);
setprop("/sim/multiplay/generic/int[2]",1);#radar off
setprop("/sim/messages/copilot", getprop("sim/multiplay/callsign")~" dead.");
armament.defeatSpamFilter("S.O.S. Heeelp");
} else {
armament.defeatSpamFilter("This is not over yet..");
}
}
return -1;
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};
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var warn = func (last_vector,m2000,callsign,author) {
if (size(last_vector) > 2 or m2000 == TRUE) {
#print("Missile launch detected at"~last_vector[2]~" from "~author);
if (m2000 == TRUE or last_vector[2] == " "~callsign) {
# its being fired at me
#print("Incoming!");
var enemy = getCallsign(author);
if (enemy != nil) {
#print("enemy identified");
var bearingNode = enemy.getNode("radar/bearing-deg");
if (bearingNode != nil) {
#print("bearing to enemy found");
var bearing = bearingNode.getValue();
var heading = getprop("orientation/heading-deg");
var clock = bearing - heading;
while(clock < 0) {
clock = clock + 360;
}
while(clock > 360) {
clock = clock - 360;
}
#print("incoming from "~clock);
if (clock >= 345 or clock < 15) {
playIncomingSound("12");
} elsif (clock >= 15 and clock < 45) {
playIncomingSound("1");
} elsif (clock >= 45 and clock < 75) {
playIncomingSound("2");
} elsif (clock >= 75 and clock < 105) {
playIncomingSound("3");
} elsif (clock >= 105 and clock < 135) {
playIncomingSound("4");
} elsif (clock >= 135 and clock < 165) {
playIncomingSound("5");
} elsif (clock >= 165 and clock < 195) {
playIncomingSound("6");
} elsif (clock >= 195 and clock < 225) {
playIncomingSound("7");
} elsif (clock >= 225 and clock < 255) {
playIncomingSound("8");
} elsif (clock >= 255 and clock < 285) {
playIncomingSound("9");
} elsif (clock >= 285 and clock < 315) {
playIncomingSound("10");
} elsif (clock >= 315 and clock < 345) {
playIncomingSound("11");
} else {
playIncomingSound("");
}
return;
}
}
}
}
}
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var playIncomingSound = func (clock) {
setprop("sound/incoming"~clock, 1);
settimer(func {stopIncomingSound(clock);},3);
}
var stopIncomingSound = func (clock) {
setprop("sound/incoming"~clock, 0);
}
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var nearby_explosion = func {
setprop("damage/sounds/nearby-explode-on", 0);
settimer(nearby_explosion_a, 0);
}
var nearby_explosion_a = func {
setprop("damage/sounds/nearby-explode-on", 1);
settimer(nearby_explosion_b, 0.5);
}
var nearby_explosion_b = func {
setprop("damage/sounds/nearby-explode-on", 0);
}
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var callsign_struct = {};
var getCallsign = func (callsign) {
var node = callsign_struct[callsign];
return node;
}
var processCallsigns = func () {
callsign_struct = {};
var players = props.globals.getNode("ai/models").getChildren();
foreach (var player; players) {
if(player.getChild("valid") != nil and player.getChild("valid").getValue() == TRUE and player.getChild("callsign") != nil and player.getChild("callsign").getValue() != "" and player.getChild("callsign").getValue() != nil) {
var callsign = player.getChild("callsign").getValue();
callsign_struct[callsign] = player;
}
}
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settimer(processCallsigns, 5);
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}
processCallsigns();
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setlistener("/sim/multiplay/chat-history", incoming_listener, 0, 0);
# prevent flooding the pilots screen with failure modes that fail when getting hit.
setprop("/sim/failure-manager/display-on-screen", FALSE);
var re_init = func {
# repair the aircraft at relocation to another airport.
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var failure_modes = FailureMgr._failmgr.failure_modes;
var mode_list = keys(failure_modes);
foreach(var failure_mode_id; mode_list) {
FailureMgr.set_failure_level(failure_mode_id, 0);
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}
}
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setlistener("/sim/signals/reinit", re_init, 0, 0);
