forked from 0ad/0ad
112 lines
3.0 KiB
JavaScript
112 lines
3.0 KiB
JavaScript
function PlayerManager() {}
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PlayerManager.prototype.Schema =
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"<a:component type='system'/><empty/>";
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PlayerManager.prototype.Init = function()
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{
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this.playerEntities = []; // list of player entity IDs
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};
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PlayerManager.prototype.AddPlayer = function(ent)
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{
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var id = this.playerEntities.length;
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var cmpPlayer = Engine.QueryInterface(ent, IID_Player);
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cmpPlayer.SetPlayerID(id);
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this.playerEntities.push(ent);
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// initialize / update the diplomacy arrays
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var newDiplo = [];
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for (var i = 0; i < id; i++)
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{
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var cmpOtherPlayer = Engine.QueryInterface(this.GetPlayerByID(i), IID_Player);
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cmpOtherPlayer.diplomacy[id] = -1;
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newDiplo[i] = -1;
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}
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newDiplo[id] = 1;
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cmpPlayer.SetDiplomacy(newDiplo);
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return id;
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};
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/**
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* To avoid possible problems with cached quantities (as in TechnologyManager),
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* we first remove all entities from this player, and add them back after the replacement.
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* Note: This should only be called during setup/init and not during the game
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*/
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PlayerManager.prototype.ReplacePlayer = function(id, ent)
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{
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var cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager);
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var entities = cmpRangeManager.GetEntitiesByPlayer(id);
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for (var e of entities)
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{
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var cmpOwnership = Engine.QueryInterface(e, IID_Ownership);
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if (cmpOwnership)
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cmpOwnership.SetOwner(-1);
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}
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var oldent = this.playerEntities[id];
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var cmpPlayer = Engine.QueryInterface(oldent, IID_Player);
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var diplo = cmpPlayer.GetDiplomacy();
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var cmpPlayer = Engine.QueryInterface(ent, IID_Player);
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cmpPlayer.SetPlayerID(id);
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this.playerEntities[id] = ent;
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cmpPlayer.SetDiplomacy(diplo);
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Engine.DestroyEntity(oldent);
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Engine.FlushDestroyedEntities();
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for (var e of entities)
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{
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var cmpOwnership = Engine.QueryInterface(e, IID_Ownership);
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if (cmpOwnership)
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cmpOwnership.SetOwner(id);
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}
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};
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/**
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* Returns the player entity ID for the given player ID.
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* The player ID must be valid (else there will be an error message).
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*/
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PlayerManager.prototype.GetPlayerByID = function(id)
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{
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if (id in this.playerEntities)
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return this.playerEntities[id];
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// All players at or below ID 0 get gaia-level data. (Observers for example)
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if (id <= 0)
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return this.playerEntities[0];
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var stack = new Error().stack.trimRight().replace(/^/mg, ' '); // indent each line
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warn("GetPlayerByID: no player defined for id '"+id+"'\n"+stack);
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return INVALID_ENTITY;
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};
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PlayerManager.prototype.GetNumPlayers = function()
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{
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return this.playerEntities.length;
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};
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PlayerManager.prototype.RemoveAllPlayers = function()
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{
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// Destroy existing player entities
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for each (var id in this.playerEntities)
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Engine.DestroyEntity(id);
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this.playerEntities = [];
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};
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PlayerManager.prototype.RemoveLastPlayer = function()
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{
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if (this.playerEntities.length == 0)
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return;
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var lastId = this.playerEntities.pop();
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Engine.DestroyEntity(lastId);
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};
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PlayerManager.prototype.GetAllPlayerEntities = function()
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{
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return this.playerEntities;
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};
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Engine.RegisterSystemComponentType(IID_PlayerManager, "PlayerManager", PlayerManager);
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