67 lines
1.3 KiB
JavaScript
67 lines
1.3 KiB
JavaScript
function Resources(amounts, population) {
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if (amounts === undefined) {
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amounts = {
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food : 0,
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wood : 0,
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stone : 0,
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metal : 0
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};
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}
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for ( var tKey in this.types) {
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var t = this.types[tKey];
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this[t] = amounts[t] || 0;
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}
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if (population > 0) {
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this.population = parseInt(population);
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} else {
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this.population = 0;
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}
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}
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Resources.prototype.types = [ "food", "wood", "stone", "metal" ];
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Resources.prototype.canAfford = function(that) {
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for ( var tKey in this.types) {
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var t = this.types[tKey];
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if (this[t] < that[t]) {
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return false;
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}
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}
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return true;
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};
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Resources.prototype.add = function(that) {
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for ( var tKey in this.types) {
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var t = this.types[tKey];
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this[t] += that[t];
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}
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this.population += that.population;
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};
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Resources.prototype.subtract = function(that) {
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for ( var tKey in this.types) {
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var t = this.types[tKey];
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this[t] -= that[t];
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}
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this.population += that.population;
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};
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Resources.prototype.multiply = function(n) {
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for ( var tKey in this.types) {
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var t = this.types[tKey];
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this[t] *= n;
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}
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this.population *= n;
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};
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Resources.prototype.toInt = function() {
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var sum = 0;
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for ( var tKey in this.types) {
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var t = this.types[tKey];
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sum += this[t];
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}
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sum += this.population * 50; // based on typical unit costs
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return sum;
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};
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