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FleetSolver.js
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FleetSolver.js
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/**
* Created by Benjamin on 22/11/2017.
*/
// Grey out 0/6
// TODO: implement proper ghost text
$(document).ready(function () {
$('#allmodels').on('change', function() {
$('.min').filter(function() {
return Number($(this).val()) === 0;
}).css({color: "#D3D3D3"});
$('.min').filter(function() {
return !(Number($(this).val()) === 0);
}).css({color: "#000000"});
$('.max').filter(function() {
return Number($(this).val()) === 6;
}).css({color: "#D3D3D3"});
$('.max').filter(function() {
return !(Number($(this).val()) === 6);
}).css({color: "#000000"});
})
});
// Reset button
// TODO: implement proper ghost text
function reset_form() {
$(".constraints")[0].reset();
$(".constraints .min, .constraints .max").css({color: "#D3D3D3"});
$('#right').css({visibility: "hidden"});
$('#showFeasible').text("");
}
var numFleet = 1;
$(document).ready(function () {
var subpage = $('#Fleet1')[0].innerHTML;
// Add fleet button
$('#addFleet').click(function () {
// Update sidebar and numFleet
var sidebar_list = $('#sidebarItems')[0].innerHTML;
numFleet++;
var new_list_item = document.createElement("LI");
new_list_item.setAttribute("id", "Select fleet " + numFleet + " sidebar");
new_list_item.innerHTML = "Fleet " + numFleet;
$('#sidebarItems')[0].appendChild(new_list_item);
// Generate new fleet page
var new_page = document.createElement("DIV");
new_page.id = "Fleet" + numFleet;
new_page.className = "inputform";
new_page.innerHTML = subpage.replace(/1/g, numFleet);
new_page.style.display = "none";
$('#allmodels')[0].appendChild(new_page);
});
// Fleet buttons
$("#sidebarItems").on('click', "[id^='Select fleet']", function(){
// Hide all
$("[id^='Fleet']").css( "display", "none" );
$("[id^='Select']").each(function() {
$(this).attr('class', '')
});
// Show clicked
var fleetID = $(this)[0].innerHTML.slice(-1);
$("[id='Fleet" + fleetID + "']").css( "display", "" );
$("[id='Select fleet " + fleetID + " sidebar']")[0].className = "active";
});
});
// These are analogous to columns of the A matrix
// We define the decision variable and its contribution to the constraints
function generate_decision_variables(obj, numFleet) {
// Here we store the contribution to constraints
// We have one entry for each ship + fleet combination
var decisionShips = {};
for (var ship in profileShips) {
for (var l = 0; l < numFleet; l++) {
decisionShips[l + "+" + profileShips[ship].rosterID] = {};
}
}
for (var ship in profileShips) {
for (var i = 0; i < numFleet; i++) {
// Ship count for fleet
decisionShips[i + "+" + profileShips[ship].rosterID][i + "maxShips"] = 1;
// Minimum fighter power
decisionShips[i + "+" + profileShips[ship].rosterID][i + "AP"] = profileShips[ship].fighter();
// OASW count
// TODO: user input for minimum asw
decisionShips[i + "+" + profileShips[ship].rosterID][i + "OASW"] = (profileShips[ship].AS >= 70) ? 1 : 0;
// AACI count
// TODO: smarter way to ignore BB
decisionShips[i + "+" + profileShips[ship].rosterID][i + "AACI"] = (profileShips[ship].AA >= 100 && profileShips[ship].class !== 8) ? 1 : 0;
// Contribution to objective function
decisionShips[i + "+" + profileShips[ship].rosterID]["obj"] = profileShips[ship][obj[i]];
// Class restrictions
decisionShips[i + "+" + profileShips[ship].rosterID][i + "Class #" + profileShips[ship].class] = 1;
// Non-duplicate ship
decisionShips[i + "+" + profileShips[ship].rosterID][profileShips[ship].yomi] = 1;
}
}
return decisionShips;
}
// Assume maxShips = [maxShips1, maxShips2 ...] and so on
// Assume minClass = [ [0,0, ...], [0,0, ...], ... ] and so on
function create_constraints_multiple(maxShips, minFighter, minOASW, minAACI, minClass, maxClass, numFleet) {
var constraints = {};
for (var i = 0; i < numFleet; i++) {
constraints[i + "maxShips"] = {
"max": maxShips[i]
};
constraints[i + "OASW"] = {
"min": minOASW[i]
};
constraints[i + "AP"] = {
"min": minFighter[i]
};
constraints[i + "AACI"] = {
"min": minAACI[i]
};
for (var j = 1; j <= 22; j++) {
constraints[i + "Class #" + j] = {
"min": minClass[i][j-1],
"max": maxClass[i][j-1]
};
}
}
// Non-duplicate ship constraints
// One for each ship name
for (var ship in profileShips) {
constraints[profileShips[ship].yomi] = {
"max": 1
};
}
return constraints;
}
function capitalizeFirstLetter(string) {
return string.charAt(0).toUpperCase() + string.slice(1);
}
// Here we go!
function solve_model() {
importShips();
var obj = [];
var maxShips = [];
var minFighter = [];
var minOASW = [];
var minAACI = [];
var minClass = new Array(numFleet);
var maxClass = new Array(numFleet);
for (var fleetN = 0; fleetN < numFleet; fleetN ++) {
minClass[fleetN] = [];
maxClass[fleetN] = [];
}
for (var fleet = 1; fleet <= numFleet; fleet++) {
var minarrayIndex = 0;
var maxarrayIndex = 0;
obj[fleet-1] = $("[name= objective" + fleet + "]").val();
maxShips[fleet-1] = $("[name= maxShips" + fleet + "]").val();
minFighter[fleet-1] = $("[name= minFighter" + fleet + "]").val();
minOASW[fleet-1] = $("[name= minOASW" + fleet + "]").val();
minAACI[fleet-1] = $("[name= minAACI" + fleet + "]").val();
minClass[fleet-1] = new Array(22).fill(0);
$(".min").each(function(index) {
var selected = $(this);
if (Number($(this)[0].name.slice(-1)) === fleet) {
minClass[fleet-1][minarrayIndex] = selected.val();
minarrayIndex++;
}
});
maxClass[fleet-1] = new Array(22).fill(6);
$(".max").each(function(index) {
var selected = $(this);
if (Number($(this)[0].name.slice(-1)) === fleet) {
maxClass[fleet-1][maxarrayIndex] = selected.val();
maxarrayIndex++;
}
});
}
var model = {
"optimize": "obj",
"opType": "max",
"constraints": create_constraints_multiple(maxShips, minFighter, minOASW, minAACI, minClass, maxClass, numFleet),
"variables": generate_decision_variables(obj, numFleet),
"ints": {},
"tolerance": 20 // Because fuck CV
};
for (var i = 0; i < numFleet; i++) {
for (var ship in profileShips) {
model.ints[i + profileShips[ship].rosterID] = 1;
}
}
results = solver.Solve(model);
// alert(Object.keys(results));
// Translate results
var list_of_ships = new Array(numFleet);
for (fleetN = 0; fleetN < numFleet; fleetN++) {
list_of_ships[fleetN] = [];
}
for (var k = 0; k < numFleet; k++) {
var j = 0;
for (var prop in results) {
if (!(prop === 'feasible' || prop === 'result' || prop === 'bounded' || results[prop] === 0)) {
if (Number(prop.charAt(0)) === k) {
list_of_ships[k][j] = capitalizeFirstLetter(getShip("xID", prop.slice(2)).english());
j++;
}
}
}
}
// Display results
if (results.feasible === false) {
$('#showFeasible').text("Constraints are infeasible");
$('#right').css({visibility: "hidden"});
return;
}
var table = "";
for (k = 0; k < numFleet; k++) {
table += "Fleet " + (k + 1) + " - " + obj[k] + "<table>";
for (i = 0; i < list_of_ships[k].length; i++) {
table += "<tr><td> Ship " + (i + 1) + "</td><td>" + list_of_ships[k][i] + "</td></tr>";
}
table += "</table> <br>";
}
$('#solution').html(table);
$('#showFeasible').text("");
$('#right').css({visibility: "visible"})
}