Ykkrosh
dd809f83e8
Simplify the format a bit. Use less <interleave> in the RNG so that error reports become understandable. Fixes #491. This was SVN commit r7478.
70 lines
1.9 KiB
JavaScript
70 lines
1.9 KiB
JavaScript
function ResourceSupply() {}
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ResourceSupply.prototype.Schema =
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"<a:help>Provides a supply of one particular type of resource.</a:help>" +
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"<a:example>" +
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"<Amount>1000</Amount>" +
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"<Type>food.meat</Type>" +
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"</a:example>" +
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"<element name='Amount' a:help='Amount of resources available from this entity'>" +
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"<data type='nonNegativeInteger'/>" +
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"</element>" +
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"<element name='Type' a:help='Type of resources'>" +
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"<choice>" +
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"<value>wood</value>" +
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"<value>stone</value>" +
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"<value>metal</value>" +
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"<value>food.fish</value>" +
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"<value>food.fruit</value>" +
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"<value>food.grain</value>" +
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"<value>food.meat</value>" +
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"<value>food.milk</value>" +
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"</choice>" +
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"</element>";
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ResourceSupply.prototype.Init = function()
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{
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// Current resource amount (non-negative; can be a fractional amount)
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this.amount = this.GetMaxAmount();
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};
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ResourceSupply.prototype.GetMaxAmount = function()
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{
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return +this.template.Amount;
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};
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ResourceSupply.prototype.GetCurrentAmount = function()
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{
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return this.amount;
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};
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ResourceSupply.prototype.TakeResources = function(rate)
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{
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// Internally we handle fractional resource amounts (to be accurate
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// over long periods of time), but want to return integers (so players
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// have a nice simple integer amount of resources). So return the
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// difference between rounded values:
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var old = this.amount;
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this.amount = Math.max(0, old - rate);
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var change = Math.ceil(old) - Math.ceil(this.amount);
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// (use ceil instead of floor so that we continue returning non-zero values even if
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// 0 < amount < 1)
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return { "amount": change, "exhausted": (old == 0) };
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};
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ResourceSupply.prototype.GetType = function()
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{
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if (this.template.Type.indexOf('.') == -1)
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{
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return { "generic": this.template.Type };
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}
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else
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{
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var [type, subtype] = this.template.Type.split('.');
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return { "generic": type, "specific": subtype };
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}
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};
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Engine.RegisterComponentType(IID_ResourceSupply, "ResourceSupply", ResourceSupply);
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