/***
* Name: BDItutorial3
* Author: Mathieu Bourgais
* Description: Addition of social relationship and information exchange.
* Tags: social link, information sharing, socialize
***/
model BDItutorial3
global {
int nb_mines <- 10;
int nb_miners <-5;
market the_market;
geometry shape <- square(20 #km);
float step <- 10#mn;
string mine_at_location <- "mine_at_location";
string empty_mine_location <- "empty_mine_location";
//possible predicates concerning miners
predicate mine_location <- new_predicate(mine_at_location) ;
predicate choose_gold_mine <- new_predicate("choose a gold mine");
predicate has_gold <- new_predicate("extract gold");
predicate find_gold <- new_predicate("find gold") ;
predicate sell_gold <- new_predicate("sell gold") ;
predicate share_information <- new_predicate("share information") ;
float inequality <- 0.0 update: standard_deviation(miner collect each.gold_sold);
init {
create market {
the_market <- self;
}
create gold_mine number: nb_mines;
create miner number: nb_miners;
}
reflex display_social_links{
loop tempMiner over: miner{
loop tempDestination over: tempMiner.social_link_base{
if (tempDestination !=nil){
bool exists<-false;
loop tempLink over: socialLinkRepresentation{
if((tempLink.origin=tempMiner) and (tempLink.destination=tempDestination.agent)){
exists<-true;
}
}
if(not exists){
create socialLinkRepresentation number: 1{
origin <- tempMiner;
destination <- tempDestination.agent;
if(get_liking(tempDestination)>0){
my_color <- #green;
} else {
my_color <- #red;
}
}
}
}
}
}
}
reflex end_simulation when: sum(gold_mine collect each.quantity) = 0 and empty(miner where each.has_belief(has_gold)){
do pause;
ask miner {
write name + " : " +gold_sold;
}
}
}
species gold_mine {
int quantity <- rnd(1,20);
aspect default {
draw triangle(200 + quantity * 50) color: (quantity > 0) ? #yellow : #gray border: #black;
}
}
species market {
int golds;
aspect default {
draw square(1000) color: #black ;
}
}
species miner skills: [moving] control:simple_bdi {
float view_dist<-1000.0;
float speed <- 2#km/#h;
rgb my_color<-rnd_color(255);
point target;
int gold_sold;
bool use_social_architecture <- true;
init {
do add_desire(find_gold);
}
perceive target: miner in: view_dist {
socialize liking: 1 - point(my_color.red, my_color.green, my_color.blue) distance_to point(myself.my_color.red, myself.my_color.green, myself.my_color.blue) / 255;
}
perceive target: gold_mine where (each.quantity > 0) in: view_dist {
focus id: mine_at_location var:location;
ask myself {
do add_desire(predicate:share_information, strength: 5.0);
do remove_intention(find_gold, false);
}
}
rule belief: mine_location new_desire: has_gold strength: 2.0;
rule belief: has_gold new_desire: sell_gold strength: 3.0;
plan lets_wander intention: find_gold finished_when: has_desire(has_gold) {
do wander;
}
plan get_gold intention:has_gold
{
if (target = nil) {
do add_subintention(get_current_intention(),choose_gold_mine, true);
do current_intention_on_hold();
} else {
do goto target: target ;
if (target = location) {
gold_mine current_mine<- gold_mine first_with (target = each.location);
if current_mine.quantity > 0 {
do add_belief(has_gold);
ask current_mine {quantity <- quantity - 1;}
} else {
do add_belief(new_predicate(empty_mine_location, ["location_value"::target]));
}
target <- nil;
}
}
}
plan choose_closest_gold_mine intention: choose_gold_mine instantaneous: true {
list possible_mines <- get_beliefs_with_name(mine_at_location) collect (point(get_predicate(mental_state (each)).values["location_value"]));
list empty_mines <- get_beliefs_with_name(empty_mine_location) collect (point(get_predicate(mental_state (each)).values["location_value"]));
possible_mines <- possible_mines - empty_mines;
if (empty(possible_mines)) {
do remove_intention(has_gold, true);
} else {
target <- (possible_mines with_min_of (each distance_to self)).location;
}
do remove_intention(choose_gold_mine, true);
}
plan return_to_base intention: sell_gold {
do goto target: the_market ;
if (the_market.location = location) {
do remove_belief(has_gold);
do remove_intention(sell_gold, true);
gold_sold <- gold_sold + 1;
}
}
plan share_information_to_friends intention: share_information instantaneous: true {
list my_friends <- list((social_link_base where (each.liking > 0)) collect each.agent);
loop known_gold_mine over: get_beliefs_with_name(mine_at_location) {
ask my_friends {
do add_directly_belief(known_gold_mine);
}
}
loop known_empty_gold_mine over: get_beliefs_with_name(empty_mine_location) {
ask my_friends {
do add_directly_belief(known_empty_gold_mine);
}
}
do remove_intention(share_information, true);
}
aspect default {
draw circle(200) color: my_color border: #black depth: gold_sold;
draw circle(view_dist) color: my_color border: #black depth: gold_sold wireframe: true;
}
}
species socialLinkRepresentation{
miner origin;
agent destination;
rgb my_color;
aspect base{
draw line([origin,destination],50.0) color: my_color;
}
}
experiment GoldBdi type: gui {
output {
display map type: opengl {
species market ;
species gold_mine ;
species miner;
}
display socialLinks type: opengl{
species socialLinkRepresentation aspect: base;
}
display chart {
chart "Money" type: series {
datalist legend: miner accumulate each.name value: miner accumulate each.gold_sold color: miner accumulate each.my_color;
}
}
}
}