Added Building AI, and some small changes to GarrisonHolder
This was SVN commit r8636.
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@ -8,6 +8,7 @@
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<prop actor="props/structures/celts/outpost_windows.xml" attachpoint="root"/>
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<prop actor="props/structures/celts/outpost_door.xml" attachpoint="root"/>
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<prop actor="props/structures/celts/outpost_shields.xml" attachpoint="root"/>
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<prop actor="props/units/weapons/arrow_front.xml" attachpoint="projectile"/>
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</props>
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</variant>
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<variant frequency="1" name="celt outpost b">
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@ -16,6 +17,7 @@
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<prop actor="props/structures/celts/outpost2_windows.xml" attachpoint="root"/>
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<prop actor="props/structures/celts/outpost_shields.xml" attachpoint="root"/>
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<prop actor="props/structures/celts/outpost_door.xml" attachpoint="root"/>
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<prop actor="props/units/weapons/arrow_front.xml" attachpoint="projectile"/>
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</props>
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</variant>
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</group>
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138
binaries/data/mods/public/simulation/components/BuildingAI.js
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138
binaries/data/mods/public/simulation/components/BuildingAI.js
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@ -0,0 +1,138 @@
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function BuildingAI() {}
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BuildingAI.prototype.Schema =
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"<element name='DefaultArrowCount'>" +
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"<data type='nonNegativeInteger'/>" +
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"</element>" +
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"<element name='GarrisonArrowMultiplier'>" +
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"<ref name='nonNegativeDecimal'/>" +
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"</element>";
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/**
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* Initialize BuildingAI Component
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*/
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BuildingAI.prototype.Init = function()
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{
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if (this.template.DefaultArrowCount > 0 || this.template.GarrisonArrowMultiplier > 0)
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{
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var cmpTimer = Engine.QueryInterface(SYSTEM_ENTITY, IID_Timer);
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this.timer = cmpTimer.SetTimeout(this.entity, IID_BuildingAI, "FireArrows", 1000, {});
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}
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};
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BuildingAI.prototype.OnOwnershipChanged = function(msg)
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{
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if (msg.to != -1)
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this.SetupRangeQuery(msg.to);
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};
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/**
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* Cleanup on destroy
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*/
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BuildingAI.prototype.OnDestroy = function()
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{
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if (this.timer)
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{
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var cmpTimer = Engine.QueryInterface(SYSTEM_ENTITY, IID_Timer);
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cmpTimer.CancelTimer(this.timer);
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this.timer = undefined;
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}
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// Clean up range queries
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var cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager);
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if (this.enemyUnitsQuery)
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cmpRangeManager.DestroyActiveQuery(this.enemyUnitsQuery);
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};
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/**
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* Setup the Range Query to detect units coming in & out of range
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*/
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BuildingAI.prototype.SetupRangeQuery = function(owner)
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{
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var cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager);
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var cmpPlayerManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_PlayerManager);
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var players = [];
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var player = Engine.QueryInterface(cmpPlayerManager.GetPlayerByID(owner), IID_Player);
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// Get our diplomacy array
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var diplomacy = player.GetDiplomacy();
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var numPlayers = cmpPlayerManager.GetNumPlayers();
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for (var i = 1; i < numPlayers; ++i)
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{ // Exclude gaia, allies, and self
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// TODO: How to handle neutral players - Special query to attack military only?
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if ((i != owner) && (diplomacy[i - 1] < 0))
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players.push(i);
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}
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var cmpAttack = Engine.QueryInterface(this.entity, IID_Attack);
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if (cmpAttack)
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{
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var range = cmpAttack.GetRange("Ranged");
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this.enemyUnitsQuery = cmpRangeManager.CreateActiveQuery(this.entity, range.min, range.max, players, 0);
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cmpRangeManager.EnableActiveQuery(this.enemyUnitsQuery);
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}
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};
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/**
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* Called when units enter or leave range
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*/
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BuildingAI.prototype.OnRangeUpdate = function(msg)
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{
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var cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager);
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var targetUnits = cmpRangeManager.ResetActiveQuery(this.enemyUnitsQuery);
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if (targetUnits.length > 0)
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this.targetUnit = targetUnits[0];
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else
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this.targetUnit = undefined;
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};
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/**
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* Returns the number of arrows which needs to be fired.
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* DefaultArrowCount + Garrisoned Archers(ie., any unit capable
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* of shooting arrows from inside buildings)
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*/
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BuildingAI.prototype.GetArrowCount = function()
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{
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var count = +this.template.DefaultArrowCount;
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var cmpGarrisonHolder = Engine.QueryInterface(this.entity, IID_GarrisonHolder);
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if (cmpGarrisonHolder)
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{
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//Need to get garrisoned infantry count
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count += Math.round(cmpGarrisonHolder.GetGarrisonedArcherCount() * this.template.GarrisonArrowMultiplier);
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}
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return count;
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};
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/**
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* Fires arrows. Called every N times every 2 seconds
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* where N is the number of Arrows
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*/
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BuildingAI.prototype.FireArrows = function()
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{
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var cmpAttack = Engine.QueryInterface(this.entity, IID_Attack);
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if (cmpAttack)
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{
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var timerInterval;
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var arrowCount = this.GetArrowCount();
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if (arrowCount > 0)
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{
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timerInterval = Math.round(2000 / arrowCount);
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}
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else
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{
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timerInterval = 1000;
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}
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var cmpTimer = Engine.QueryInterface(SYSTEM_ENTITY, IID_Timer);
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this.timer = cmpTimer.SetTimeout(this.entity, IID_BuildingAI, "FireArrows", timerInterval, {});
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if ((this.targetUnit != undefined) && (arrowCount > 0))
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{
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cmpAttack.PerformAttack("Ranged", this.targetUnit);
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}
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}
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};
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Engine.RegisterComponentType(IID_BuildingAI, "BuildingAI", BuildingAI);
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@ -55,6 +55,42 @@ GarrisonHolder.prototype.GetCapacity = function()
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return this.template.Max;
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};
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/**
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* Get number of garrisoned units capable of shooting arrows
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* Not necessarily archers
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*/
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GarrisonHolder.prototype.GetGarrisonedArcherCount = function()
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{
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var count = 0;
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for each (var entity in this.entities)
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{
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var cmpIdentity = Engine.QueryInterface(entity, IID_Identity);
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var classes = cmpIdentity.GetClassesList();
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if (classes.indexOf("Infantry") != -1 || classes.indexOf("Ranged") != -1)
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count++;
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}
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return count;
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}
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/**
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* Checks if an entity can be allowed to garrison in the building
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* based on it's class
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*/
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GarrisonHolder.prototype.AllowedToGarrison = function(entity)
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{
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var allowedClasses = this.GetAllowedClassesList();
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var entityClasses = (Engine.QueryInterface(entity, IID_Identity)).GetClassesList();
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var classNotAllowed = true;
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// Check if the unit is allowed to be garrisoned inside the building
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for each (var allowedClass in allowedClasses)
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{
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if (entityClasses.indexOf(allowedClass) != -1)
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{
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return true;
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}
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}
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return false;
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};
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/**
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* Garrison a unit inside.
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* Returns true if successful, false if not
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@ -65,22 +101,12 @@ GarrisonHolder.prototype.Garrison = function(entity)
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var entityPopCost = (Engine.QueryInterface(entity, IID_Cost)).GetPopCost();
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var entityClasses = (Engine.QueryInterface(entity, IID_Identity)).GetClassesList();
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var allowedClasses = this.GetAllowedClassesList();
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var classNotAllowed = true;
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if (!this.HasEnoughHealth())
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return false;
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// Check if the unit is allowed to be garrisoned inside the building
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for each (var allowedClass in allowedClasses)
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{
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if (entityClasses.indexOf(allowedClass) != -1)
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{
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classNotAllowed = false;
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break;
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}
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}
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if (classNotAllowed)
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if(!this.AllowedToGarrison(entity))
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return false;
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if (this.GetCapacity() < this.spaceOccupied + 1)
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@ -0,0 +1 @@
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Engine.RegisterInterface("BuildingAI");
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@ -57,4 +57,8 @@
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<death>attack/destruction/explode_debris.xml</death>
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</SoundGroups>
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</Sound>
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<BuildingAI>
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<DefaultArrowCount>0</DefaultArrowCount>
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<GarrisonArrowMultiplier>0</GarrisonArrowMultiplier>
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</BuildingAI>
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</Entity>
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<RepeatTime>2000</RepeatTime>
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</Ranged>
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</Attack>
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<BuildingAI>
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<DefaultArrowCount>1</DefaultArrowCount>
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<GarrisonArrowMultiplier>1</GarrisonArrowMultiplier>
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</BuildingAI>
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</Entity>
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