forked from 0ad/0ad
89 lines
2.6 KiB
JavaScript
89 lines
2.6 KiB
JavaScript
function TriggerPoint() {}
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TriggerPoint.prototype.Schema =
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"<optional>" +
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"<element name='Reference'>" +
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"<text/>" +
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"</element>" +
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"</optional>";
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TriggerPoint.prototype.Init = function()
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{
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if (this.template && this.template.Reference)
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{
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var cmpTrigger = Engine.QueryInterface(SYSTEM_ENTITY, IID_Trigger);
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cmpTrigger.RegisterTriggerPoint(this.template.Reference, this.entity);
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}
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this.currentCollections = {};
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this.actions = {};
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};
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TriggerPoint.prototype.OnDestroy = function()
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{
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if (this.template && this.template.EntityReference)
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{
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var cmpTrigger = Engine.QueryInterface(SYSTEM_ENTITY, IID_Trigger);
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cmpTrigger.RemoveRegisteredTriggerPoint(this.template.Reference, this.entity);
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}
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};
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/**
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* @param action Name of the action function defined under Trigger
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* @param data The data is an object containing information for the range query
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* Some of the data has sendible defaults (mentionned next to the object)
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* data.players = [1,2,3,...] * list of player ids
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* data.minRange = 0 * Minimum range for the query
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* data.maxRange = -1 * Maximum range for the query (-1 = no maximum)
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* data.requiredComponent = -1 * Required component id the entities will have
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* data.enabled = false * If the query is enabled by default
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*/
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TriggerPoint.prototype.RegisterRangeTrigger = function(action, data)
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{
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if (data.players)
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var players = data.players;
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else
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{
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var numPlayers = Engine.QueryInterface(SYSTEM_ENTITY, IID_PlayerManager).GetNumPlayers();
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var players = [];
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for (var i = 0; i < numPlayers; i++)
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players.push(i);
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}
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var minRange = data.minRange || 0;
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var maxRange = data.maxRange || -1;
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var cid = data.requiredComponent || -1;
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var cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager);
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var tag = cmpRangeManager.CreateActiveQuery(this.entity, minRange, maxRange, players, cid, cmpRangeManager.GetEntityFlagMask("normal"));
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this.currentCollections[tag] = [];
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this.actions[tag] = action;
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return tag;
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};
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TriggerPoint.prototype.OnRangeUpdate = function(msg)
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{
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var collection = this.currentCollections[msg.tag];
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if (!collection)
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return;
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for (var ent of msg.removed)
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{
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var index = collection.indexOf(ent);
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if (index > -1)
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collection.splice(index, 1);
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}
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for each (var entity in msg.added)
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collection.push(entity);
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var r = {"currentCollection": collection.slice()};
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r.added = msg.added;
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r.removed = msg.removed;
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var cmpTrigger = Engine.QueryInterface(SYSTEM_ENTITY, IID_Trigger);
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cmpTrigger.DoAction({"action":this.actions[msg.tag], "data": r});
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};
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Engine.RegisterComponentType(IID_TriggerPoint, "TriggerPoint", TriggerPoint);
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