116 lines
4.1 KiB
JavaScript
116 lines
4.1 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 ApplyTechModificationsToEntity("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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// Create promoted unit entity
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var promotedUnitEntity = Engine.AddEntity(promotedTemplateName);
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// Copy parameters from current entity to promoted one
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var cmpCurrentUnitPosition = Engine.QueryInterface(this.entity, IID_Position);
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var cmpPromotedUnitPosition = Engine.QueryInterface(promotedUnitEntity, IID_Position);
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if (cmpCurrentUnitPosition.IsInWorld())
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{
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var pos = cmpCurrentUnitPosition.GetPosition2D();
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cmpPromotedUnitPosition.JumpTo(pos.x, pos.y);
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}
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var rot = cmpCurrentUnitPosition.GetRotation();
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cmpPromotedUnitPosition.SetYRotation(rot.y);
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cmpPromotedUnitPosition.SetXZRotation(rot.x, rot.z);
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var heightOffset = cmpCurrentUnitPosition.GetHeightOffset();
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cmpPromotedUnitPosition.SetHeightOffset(heightOffset);
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var cmpCurrentUnitOwnership = Engine.QueryInterface(this.entity, IID_Ownership);
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var cmpPromotedUnitOwnership = Engine.QueryInterface(promotedUnitEntity, IID_Ownership);
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cmpPromotedUnitOwnership.SetOwner(cmpCurrentUnitOwnership.GetOwner());
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// change promoted unit health to the same percent of hitpoints as unit had before promotion
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var cmpCurrentUnitHealth = Engine.QueryInterface(this.entity, IID_Health);
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var cmpPromotedUnitHealth = Engine.QueryInterface(promotedUnitEntity, IID_Health);
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var healthFraction = Math.max(0, Math.min(1, cmpCurrentUnitHealth.GetHitpoints() / cmpCurrentUnitHealth.GetMaxHitpoints()));
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var promotedUnitHitpoints = Math.round(cmpPromotedUnitHealth.GetMaxHitpoints() * healthFraction);
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cmpPromotedUnitHealth.SetHitpoints(promotedUnitHitpoints);
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var cmpPromotedUnitPromotion = Engine.QueryInterface(promotedUnitEntity, IID_Promotion);
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if (cmpPromotedUnitPromotion)
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cmpPromotedUnitPromotion.IncreaseXp(this.currentXp);
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var cmpCurrentUnitResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer);
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var cmpPromotedUnitResourceGatherer = Engine.QueryInterface(promotedUnitEntity, IID_ResourceGatherer);
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if (cmpCurrentUnitResourceGatherer && cmpPromotedUnitResourceGatherer)
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{
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var carriedResorces = cmpCurrentUnitResourceGatherer.GetCarryingStatus();
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cmpPromotedUnitResourceGatherer.GiveResources(carriedResorces);
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}
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var cmpCurrentUnitAI = Engine.QueryInterface(this.entity, IID_UnitAI);
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var cmpPromotedUnitAI = Engine.QueryInterface(promotedUnitEntity, IID_UnitAI);
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cmpPromotedUnitAI.SetHeldPosition(cmpCurrentUnitAI.GetHeldPosition());
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if (cmpCurrentUnitAI.GetStanceName())
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cmpPromotedUnitAI.SwitchToStance(cmpCurrentUnitAI.GetStanceName());
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cmpPromotedUnitAI.Cheer();
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var orders = cmpCurrentUnitAI.GetOrders();
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cmpPromotedUnitAI.AddOrders(orders);
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Engine.BroadcastMessage(MT_EntityRenamed, { entity: this.entity, newentity: promotedUnitEntity });
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// Destroy current entity
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Engine.DestroyEntity(this.entity);
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}
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Promotion.prototype.IncreaseXp = function(amount)
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{
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this.currentXp += +(amount);
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if (this.currentXp >= this.GetRequiredXp())
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{
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var cmpTemplateManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_TemplateManager);
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var promotionTemplate = this.template;
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var promotedTemplateName;
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var requiredXp;
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// We may be able to promote by skipping over multiple templates
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// so find the highest level we can reach
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do
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{
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requiredXp = this.GetRequiredXp();
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this.currentXp -= requiredXp;
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promotedTemplateName = promotionTemplate.Entity;
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var template = cmpTemplateManager.GetTemplate(promotedTemplateName);
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promotionTemplate = template.Promotion;
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}
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while (promotionTemplate && this.currentXp >= requiredXp);
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this.Promote(promotedTemplateName);
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}
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}
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Engine.RegisterComponentType(IID_Promotion, "Promotion", Promotion);
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