forked from 0ad/0ad
80 lines
2.0 KiB
JavaScript
80 lines
2.0 KiB
JavaScript
const VIS_HIDDEN = 0;
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const VIS_FOGGED = 1;
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const VIS_VISIBLE = 2;
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function Visibility() {}
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Visibility.prototype.Schema =
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"<element name='RetainInFog'>" +
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"<data type='boolean'/>" +
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"</element>" +
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"<element name='AlwaysVisible'>" +
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"<data type='boolean'/>" +
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"</element>";
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Visibility.prototype.Init = function()
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{
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};
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/**
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* This function is called for entities in explored territory.
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* isOutsideFog: true if we're in the vision range of a unit, false otherwise
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* forceRetainInFog: useful for previewed entities, see the RangeManager system component documentation
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*/
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Visibility.prototype.GetLosVisibility = function(player, isOutsideFog, forceRetainInFog)
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{
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if (isOutsideFog)
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{
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var cmpMirage = Engine.QueryInterface(this.entity, IID_Mirage);
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if (cmpMirage)
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return VIS_HIDDEN;
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return VIS_VISIBLE;
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}
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// Fogged if the 'retain in fog' flag is set, and in a non-visible explored region
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if (!forceRetainInFog && !this.GetRetainInFog())
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return VIS_HIDDEN;
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var cmpMirage = Engine.QueryInterface(this.entity, IID_Mirage);
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if (cmpMirage && cmpMirage.GetPlayer() == player)
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return VIS_FOGGED;
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var cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership);
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if (!cmpOwnership)
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return VIS_FOGGED;
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if (cmpOwnership.GetOwner() == player)
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{
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var cmpFogging = Engine.QueryInterface(this.entity, IID_Fogging);
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if (!cmpFogging)
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return VIS_FOGGED;
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// Fogged entities must not disappear while the mirage is not ready
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if (!cmpFogging.IsMiraged(player))
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return VIS_FOGGED;
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return VIS_HIDDEN;
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}
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// Fogged entities must not disappear while the mirage is not ready
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var cmpFogging = Engine.QueryInterface(this.entity, IID_Fogging);
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if (cmpFogging && cmpFogging.WasSeen(player) && !cmpFogging.IsMiraged(player))
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return VIS_FOGGED;
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return VIS_HIDDEN;
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};
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Visibility.prototype.GetRetainInFog = function()
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{
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return this.template.RetainInFog == "true";
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};
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Visibility.prototype.GetAlwaysVisible = function()
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{
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return this.template.AlwaysVisible == "true";
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};
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Engine.RegisterComponentType(IID_Visibility, "Visibility", Visibility);
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