function ResourceSupply() {}
ResourceSupply.prototype.Schema =
"Provides a supply of one particular type of resource." +
"" +
"1000" +
"food.meat" +
"" +
"" +
"" +
"" +
"" +
"" +
"" +
"" +
"" +
"wood.tree" +
"wood.ruins" +
"stone.rock" +
"stone.ruins" +
"metal.ore" +
"food.fish" +
"food.fruit" +
"food.grain" +
"food.meat" +
"food.milk" +
"treasure.wood" +
"treasure.stone" +
"treasure.metal" +
"treasure.food" +
"" +
"" +
"" +
"" +
"";
ResourceSupply.prototype.Init = function()
{
// Current resource amount (non-negative)
this.amount = this.GetMaxAmount();
this.gatherers = []; // list of IDs
};
ResourceSupply.prototype.GetKillBeforeGather = function()
{
return (this.template.KillBeforeGather == "true");
};
ResourceSupply.prototype.GetMaxAmount = function()
{
return +this.template.Amount;
};
ResourceSupply.prototype.GetCurrentAmount = function()
{
return this.amount;
};
ResourceSupply.prototype.GetMaxGatherers = function()
{
return +this.template.MaxGatherers;
};
ResourceSupply.prototype.GetGatherers = function()
{
return this.gatherers;
};
ResourceSupply.prototype.TakeResources = function(rate)
{
// 'rate' should be a non-negative integer
var old = this.amount;
this.amount = Math.max(0, old - rate);
var change = old - this.amount;
// Remove entities that have been exhausted
if (this.amount == 0)
Engine.DestroyEntity(this.entity);
Engine.PostMessage(this.entity, MT_ResourceSupplyChanged, { "from": old, "to": this.amount });
return { "amount": change, "exhausted": (this.amount == 0) };
};
ResourceSupply.prototype.GetType = function()
{
// All resources must have both type and subtype
var [type, subtype] = this.template.Type.split('.');
return { "generic": type, "specific": subtype };
};
ResourceSupply.prototype.IsAvailable = function(gathererID)
{
if (this.gatherers.length < this.GetMaxGatherers() || this.gatherers.indexOf(gathererID) !== -1)
return true;
return false;
};
ResourceSupply.prototype.AddGatherer = function(gathererID)
{
if (!this.IsAvailable(gathererID))
return false;
if (this.gatherers.indexOf(gathererID) === -1)
{
this.gatherers.push(gathererID);
// broadcast message, mainly useful for the AIs.
Engine.PostMessage(this.entity, MT_ResourceSupplyGatherersChanged, { "to": this.gatherers });
}
return true;
};
// should this return false if the gatherer didn't gather from said resource?
ResourceSupply.prototype.RemoveGatherer = function(gathererID)
{
if (this.gatherers.indexOf(gathererID) !== -1)
{
this.gatherers.splice(this.gatherers.indexOf(gathererID),1);
// broadcast message, mainly useful for the AIs.
Engine.PostMessage(this.entity, MT_ResourceSupplyGatherersChanged, { "to": this.gatherers });
}
};
Engine.RegisterComponentType(IID_ResourceSupply, "ResourceSupply", ResourceSupply);