forked from 0ad/0ad
342 lines
8.6 KiB
JavaScript
342 lines
8.6 KiB
JavaScript
var EntityTemplate = Class({
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_init: function(template)
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{
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this._template = template;
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},
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rank: function() {
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if (!this._template.Identity)
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return undefined;
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return this._template.Identity.Rank;
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},
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classes: function() {
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if (!this._template.Identity || !this._template.Identity.Classes)
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return undefined;
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return this._template.Identity.Classes._string.split(/\s+/);
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},
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hasClass: function(name) {
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var classes = this.classes();
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return (classes && classes.indexOf(name) != -1);
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},
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civ: function() {
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if (!this._template.Identity)
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return undefined;
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return this._template.Identity.Civ;
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},
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cost: function() {
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if (!this._template.Cost)
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return undefined;
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var ret = {};
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for (var type in this._template.Cost.Resources)
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ret[type] = +this._template.Cost.Resources[type];
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return ret;
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},
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/**
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* Returns the radius of a circle surrounding this entity's
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* obstruction shape, or undefined if no obstruction.
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*/
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obstructionRadius: function() {
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if (!this._template.Obstruction)
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return undefined;
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if (this._template.Obstruction.Static)
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{
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var w = +this._template.Obstruction.Static["@width"];
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var h = +this._template.Obstruction.Static["@depth"];
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return Math.sqrt(w*w + h*h) / 2;
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}
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if (this._template.Obstruction.Unit)
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return +this._template.Obstruction.Unit["@radius"];
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return 0; // this should never happen
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},
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maxHitpoints: function() { return this._template.Health.Max; },
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isHealable: function() { return this._template.Health.Healable === "true"; },
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isRepairable: function() { return this._template.Health.Repairable === "true"; },
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// TODO: attack, armour
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buildableEntities: function() {
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if (!this._template.Builder)
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return undefined;
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var civ = this.civ();
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var templates = this._template.Builder.Entities._string.replace(/\{civ\}/g, civ).split(/\s+/);
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return templates; // TODO: map to Entity?
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},
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trainableEntities: function() {
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if (!this._template.TrainingQueue)
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return undefined;
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var civ = this.civ();
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var templates = this._template.TrainingQueue.Entities._string.replace(/\{civ\}/g, civ).split(/\s+/);
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return templates;
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},
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resourceSupplyType: function() {
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if (!this._template.ResourceSupply)
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return undefined;
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var [type, subtype] = this._template.ResourceSupply.Type.split('.');
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return { "generic": type, "specific": subtype };
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},
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resourceSupplyMax: function() {
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if (!this._template.ResourceSupply)
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return undefined;
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return +this._template.ResourceSupply.Amount;
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},
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resourceGatherRates: function() {
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if (!this._template.ResourceGatherer)
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return undefined;
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var ret = {};
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for (var r in this._template.ResourceGatherer.Rates)
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ret[r] = this._template.ResourceGatherer.Rates[r] * this._template.ResourceGatherer.BaseSpeed;
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return ret;
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},
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resourceDropsiteTypes: function() {
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if (!this._template.ResourceDropsite)
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return undefined;
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return this._template.ResourceDropsite.Types.split(/\s+/);
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},
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garrisonableClasses: function() {
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if (!this._template.GarrisonHolder)
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return undefined;
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return this._template.GarrisonHolder.List._string.split(/\s+/);
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},
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/**
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* Returns whether this is an animal that is too difficult to hunt.
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* (Currently this just includes skittish animals, which are probably
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* too fast to chase.)
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*/
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isUnhuntable: function() {
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if (!this._template.UnitAI || !this._template.UnitAI.NaturalBehaviour)
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return false;
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// return (this._template.UnitAI.NaturalBehaviour == "skittish");
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// Actually, since the AI is currently rubbish at hunting, skip all animals
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// that aren't really weak:
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return this._template.Health.Max >= 10;
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},
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buildCategory: function() {
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if (!this._template.BuildRestrictions || !this._template.BuildRestrictions.Category)
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return undefined;
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return this._template.BuildRestrictions.Category;
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},
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buildDistance: function() {
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if (!this._template.BuildRestrictions || !this._template.BuildRestrictions.Distance)
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return undefined;
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return this._template.BuildRestrictions.Distance;
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},
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buildPlacementType: function() {
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if (!this._template.BuildRestrictions || !this._template.BuildRestrictions.PlacementType)
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return undefined;
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return this._template.BuildRestrictions.PlacementType;
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},
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buildTerritories: function() {
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if (!this._template.BuildRestrictions || !this._template.BuildRestrictions.Territory)
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return undefined;
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return this._template.BuildRestrictions.Territory.split(/\s+/);
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},
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hasBuildTerritory: function(territory) {
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var territories = this.buildTerritories();
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return (territories && territories.indexOf(territory) != -1);
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},
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});
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var Entity = Class({
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_super: EntityTemplate,
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_init: function(baseAI, entity)
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{
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this._super.call(this, baseAI.GetTemplate(entity.template));
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this._ai = baseAI;
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this._templateName = entity.template;
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this._entity = entity;
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},
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toString: function() {
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return "[Entity " + this.id() + " " + this.templateName() + "]";
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},
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id: function() {
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return this._entity.id;
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},
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templateName: function() {
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return this._templateName;
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},
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/**
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* Returns extra data that the AI scripts have associated with this entity,
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* for arbitrary local annotations.
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* (This data is not shared with any other AI scripts.)
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*/
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getMetadata: function(id) {
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var metadata = this._ai._entityMetadata[this.id()];
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if (!metadata || !(id in metadata))
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return undefined;
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return metadata[id];
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},
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/**
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* Sets extra data to be associated with this entity.
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*/
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setMetadata: function(id, value) {
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var metadata = this._ai._entityMetadata[this.id()];
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if (!metadata)
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metadata = this._ai._entityMetadata[this.id()] = {};
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metadata[id] = value;
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},
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position: function() { return this._entity.position; },
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isIdle: function() {
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if (typeof this._entity.idle === "undefined")
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return undefined;
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return this._entity.idle;
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},
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hitpoints: function() { return this._entity.hitpoints; },
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isHurt: function() { return this.hitpoints < this.maxHitpoints; },
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needsHeal: function() { return this.isHurt && this.isHealable; },
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needsRepair: function() { return this.isHurt && this.isRepairable; },
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/**
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* Returns the current training queue state, of the form
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* [ { "id": 0, "template": "...", "count": 1, "progress": 0.5, "metadata": ... }, ... ]
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*/
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trainingQueue: function() {
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var queue = this._entity.trainingQueue;
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return queue;
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},
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trainingQueueTime: function() {
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var queue = this._entity.trainingQueue;
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if (!queue)
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return undefined;
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// TODO: compute total time for units in training queue
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return queue.length;
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},
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foundationProgress: function() {
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if (typeof this._entity.foundationProgress === "undefined")
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return undefined;
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return this._entity.foundationProgress;
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},
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owner: function() {
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return this._entity.owner;
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},
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isOwn: function() {
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if (typeof this._entity.owner === "undefined")
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return false;
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return this._entity.owner === this._ai._player;
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},
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isFriendly: function() {
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return this.isOwn(); // TODO: diplomacy
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},
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isEnemy: function() {
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return !this.isOwn(); // TODO: diplomacy
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},
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resourceSupplyAmount: function() { return this._entity.resourceSupplyAmount; },
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resourceCarrying: function() { return this._entity.resourceCarrying; },
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garrisoned: function() { return new EntityCollection(this._ai, this._entity.garrisoned); },
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// TODO: visibility
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move: function(x, z) {
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Engine.PostCommand({"type": "walk", "entities": [this.id()], "x": x, "z": z, "queued": false});
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return this;
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},
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gather: function(target) {
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Engine.PostCommand({"type": "gather", "entities": [this.id()], "target": target.id(), "queued": false});
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return this;
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},
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repair: function(target) {
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Engine.PostCommand({"type": "repair", "entities": [this.id()], "target": target.id(), "autocontinue": false, "queued": false});
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return this;
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},
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destroy: function() {
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Engine.PostCommand({"type": "delete-entities", "entities": [this.id()]});
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return this;
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},
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train: function(type, count, metadata)
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{
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var trainable = this.trainableEntities();
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if (!trainable)
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{
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error("Called train("+type+", "+count+") on non-training entity "+this);
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return this;
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}
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if (trainable.indexOf(type) === -1)
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{
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error("Called train("+type+", "+count+") on entity "+this+" which can't train that");
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return this;
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}
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Engine.PostCommand({
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"type": "train",
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"entity": this.id(),
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"template": type,
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"count": count,
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"metadata": metadata
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});
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return this;
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},
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construct: function(template, x, z, angle) {
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// TODO: verify this unit can construct this, just for internal
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// sanity-checking and error reporting
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Engine.PostCommand({
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"type": "construct",
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"entities": [this.id()],
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"template": template,
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"x": x,
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"z": z,
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"angle": angle,
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"autorepair": false,
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"autocontinue": false,
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"queued": false
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});
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return this;
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},
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});
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