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381bdcbade
Add a regression test for this case. Reported By: elexis Differential Revision: https://code.wildfiregames.com/D2227 This was SVN commit r22808.
100 lines
2.9 KiB
JavaScript
100 lines
2.9 KiB
JavaScript
function Promotion() {}
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Promotion.prototype.Schema =
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"<element name='Entity'>" +
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"<text/>" +
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"</element>" +
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"<element name='RequiredXp'>" +
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"<data type='positiveInteger'/>" +
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"</element>";
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Promotion.prototype.Init = function()
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{
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this.currentXp = 0;
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};
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Promotion.prototype.GetRequiredXp = function()
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{
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return ApplyValueModificationsToEntity("Promotion/RequiredXp", +this.template.RequiredXp, this.entity);
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};
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Promotion.prototype.GetCurrentXp = function()
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{
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return this.currentXp;
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};
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Promotion.prototype.GetPromotedTemplateName = function()
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{
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return this.template.Entity;
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};
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Promotion.prototype.Promote = function(promotedTemplateName)
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{
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// If the unit is dead, don't promote it
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let cmpHealth = Engine.QueryInterface(this.entity, IID_Health);
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if (cmpHealth && cmpHealth.GetHitpoints() == 0)
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{
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this.promotedUnitEntity = INVALID_ENTITY;
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return;
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}
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// Save the entity id.
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this.promotedUnitEntity = ChangeEntityTemplate(this.entity, promotedTemplateName);
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let cmpPosition = Engine.QueryInterface(this.promotedUnitEntity, IID_Position);
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let cmpUnitAI = Engine.QueryInterface(this.promotedUnitEntity, IID_UnitAI);
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if (cmpPosition && cmpPosition.IsInWorld() && cmpUnitAI)
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cmpUnitAI.Cheer();
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};
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Promotion.prototype.IncreaseXp = function(amount)
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{
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// if the unit was already promoted, but is waiting for the engine to be destroyed
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// transfer the gained xp to the promoted unit if applicable
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if (this.promotedUnitEntity)
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{
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let cmpPromotion = Engine.QueryInterface(this.promotedUnitEntity, IID_Promotion);
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if (cmpPromotion)
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cmpPromotion.IncreaseXp(amount);
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return;
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}
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this.currentXp += +(amount);
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var requiredXp = this.GetRequiredXp();
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if (this.currentXp >= requiredXp)
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{
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var cmpTemplateManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_TemplateManager);
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var playerID = QueryOwnerInterface(this.entity, IID_Player).GetPlayerID();
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this.currentXp -= requiredXp;
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var promotedTemplateName = this.GetPromotedTemplateName();
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// check if we can upgrade a second time (or even more)
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while (true)
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{
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var template = cmpTemplateManager.GetTemplate(promotedTemplateName);
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if (!template.Promotion)
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break;
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requiredXp = ApplyValueModificationsToTemplate("Promotion/RequiredXp", +template.Promotion.RequiredXp, playerID, template);
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// compare the current xp to the required xp of the promoted entity
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if (this.currentXp < requiredXp)
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break;
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this.currentXp -= requiredXp;
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promotedTemplateName = template.Promotion.Entity;
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}
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this.Promote(promotedTemplateName);
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let cmpPromotion = Engine.QueryInterface(this.promotedUnitEntity, IID_Promotion);
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if (cmpPromotion)
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cmpPromotion.IncreaseXp(this.currentXp);
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}
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Engine.PostMessage(this.entity, MT_ExperienceChanged, {});
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};
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Promotion.prototype.OnValueModification = function(msg)
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{
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if (msg.component == "Promotion")
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this.IncreaseXp(0);
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};
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Engine.RegisterComponentType(IID_Promotion, "Promotion", Promotion);
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