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026ce76e3f
This deletes custom-code and shows how to use this system component for triggers. Differential Revision: https://code.wildfiregames.com/D1011 This was SVN commit r22964.
117 lines
3.5 KiB
JavaScript
117 lines
3.5 KiB
JavaScript
function Cost() {}
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Cost.prototype.Schema =
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"<a:help>Specifies the construction/training costs of this entity.</a:help>" +
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"<a:example>" +
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"<Population>1</Population>" +
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"<PopulationBonus>15</PopulationBonus>" +
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"<BuildTime>20.0</BuildTime>" +
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"<Resources>" +
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"<food>50</food>" +
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"<wood>0</wood>" +
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"<stone>0</stone>" +
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"<metal>25</metal>" +
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"</Resources>" +
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"</a:example>" +
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"<element name='Population' a:help='Population cost'>" +
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"<data type='nonNegativeInteger'/>" +
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"</element>" +
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"<element name='PopulationBonus' a:help='Population cap increase while this entity exists'>" +
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"<data type='nonNegativeInteger'/>" +
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"</element>" +
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"<element name='BuildTime' a:help='Time taken to construct/train this entity (in seconds)'>" +
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"<ref name='nonNegativeDecimal'/>" +
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"</element>" +
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"<element name='Resources' a:help='Resource costs to construct/train this entity'>" +
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Resources.BuildSchema("nonNegativeInteger") +
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"</element>";
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Cost.prototype.Init = function()
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{
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this.populationCost = +this.template.Population;
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this.populationBonus = +this.template.PopulationBonus;
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};
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Cost.prototype.GetPopCost = function()
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{
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return this.populationCost;
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};
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Cost.prototype.GetPopBonus = function()
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{
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return this.populationBonus;
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};
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Cost.prototype.GetBuildTime = function()
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{
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return ApplyValueModificationsToEntity("Cost/BuildTime", +this.template.BuildTime, this.entity);
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};
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Cost.prototype.GetResourceCosts = function(owner)
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{
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if (!owner)
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{
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let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership);
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if (!cmpOwnership)
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error("GetResourceCosts called without valid ownership");
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else
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owner = cmpOwnership.GetOwner();
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}
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let cmpTemplateManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_TemplateManager);
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let entityTemplateName = cmpTemplateManager.GetCurrentTemplateName(this.entity);
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let entityTemplate = cmpTemplateManager.GetTemplate(entityTemplateName);
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let costs = {};
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for (let res in this.template.Resources)
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costs[res] = ApplyValueModificationsToTemplate("Cost/Resources/"+res, +this.template.Resources[res], owner, entityTemplate);
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return costs;
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};
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Cost.prototype.OnOwnershipChanged = function(msg)
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{
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if (msg.from != INVALID_PLAYER)
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{
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let cmpPlayer = QueryPlayerIDInterface(msg.from);
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if (cmpPlayer)
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cmpPlayer.AddPopulationBonuses(-this.GetPopBonus());
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}
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if (msg.to != INVALID_PLAYER)
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{
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let cmpPlayer = QueryPlayerIDInterface(msg.to);
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if (cmpPlayer)
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cmpPlayer.AddPopulationBonuses(this.GetPopBonus());
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}
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};
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Cost.prototype.OnValueModification = function(msg)
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{
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if (msg.component != "Cost")
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return;
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// foundations shouldn't give a pop bonus and a pop cost
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var cmpFoundation = Engine.QueryInterface(this.entity, IID_Foundation);
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if (cmpFoundation)
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return;
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// update the population costs
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var newPopCost = Math.round(ApplyValueModificationsToEntity("Cost/Population", +this.template.Population, this.entity));
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var popCostDifference = newPopCost - this.populationCost;
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this.populationCost = newPopCost;
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// update the population bonuses
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var newPopBonus = Math.round(ApplyValueModificationsToEntity("Cost/PopulationBonus", +this.template.PopulationBonus, this.entity));
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var popDifference = newPopBonus - this.populationBonus;
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this.populationBonus = newPopBonus;
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var cmpPlayer = QueryOwnerInterface(this.entity);
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if (!cmpPlayer)
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return;
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if (popCostDifference)
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cmpPlayer.AddPopulation(popCostDifference);
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if (popDifference)
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cmpPlayer.AddPopulationBonuses(popDifference);
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};
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Engine.RegisterComponentType(IID_Cost, "Cost", Cost);
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