139 lines
3.9 KiB
JavaScript
139 lines
3.9 KiB
JavaScript
// Repetition interval (msecs) for checking end game conditions
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var g_ProgressInterval = 1000;
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/**
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* System component which regularly checks victory/defeat conditions
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* and if they are satisfied then it marks the player as victorious/defeated.
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*/
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function EndGameManager() {}
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EndGameManager.prototype.Schema =
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"<a:component type='system'/><empty/>";
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EndGameManager.prototype.Init = function()
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{
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// Game type, initialised from the map settings.
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// One of: "conquest" (default) and "endless"
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this.gameType = "conquest";
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// Allied victory means allied players can win if victory conditions are met for each of them
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// Would be false for a "last man standing" game (when diplomacy is fully implemented)
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this.alliedVictory = true;
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};
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EndGameManager.prototype.SetGameType = function(newGameType)
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{
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this.gameType = newGameType;
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};
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EndGameManager.prototype.SetAlliedVictory = function(flag)
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{
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this.alliedVictory = flag;
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};
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/**
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* Begin checking the end-game conditions.
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* Must be called once, after calling SetGameType.
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*/
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EndGameManager.prototype.Start = function()
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{
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if (this.gameType != "endless")
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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_EndGameManager, "ProgressTimeout", g_ProgressInterval, {});
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}
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};
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EndGameManager.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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}
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};
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EndGameManager.prototype.ProgressTimeout = function(data)
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{
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this.UpdatePlayerStates();
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// Repeat the timer
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var cmpTimer = Engine.QueryInterface(SYSTEM_ENTITY, IID_Timer);
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this.timer = cmpTimer.SetTimeout(this.entity, IID_EndGameManager, "ProgressTimeout", g_ProgressInterval, data);
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};
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EndGameManager.prototype.UpdatePlayerStates = function()
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{
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var cmpPlayerManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_PlayerManager);
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switch (this.gameType)
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{
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case "conquest":
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// Ignore gaia
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var numPlayers = cmpPlayerManager.GetNumPlayers() - 1;
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var diplomacy = new Array(numPlayers);
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// If a player is currently active but has no suitable units left,
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// mark that player as defeated (else get diplomacy for victory check)
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for (var i = 0; i < numPlayers; i++)
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{
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var playerEntityId = cmpPlayerManager.GetPlayerByID(i+1);
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var cmpPlayer = Engine.QueryInterface(playerEntityId, IID_Player);
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if (cmpPlayer.GetState() == "active")
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{
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if (cmpPlayer.GetConquestCriticalEntitiesCount() == 0)
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{
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Engine.PostMessage(playerEntityId, MT_PlayerDefeated, null);
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}
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else
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{ // Get active diplomacy array
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diplomacy[i] = cmpPlayer.GetDiplomacy();
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}
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}
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}
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// Check diplomacy to see if all active players are allied - if so, they all won
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var onlyAlliesLeft = true;
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var allyIDs = [];
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for (var i = 0; i < numPlayers && onlyAlliesLeft; i++)
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{
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if (diplomacy[i])
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{ //Active player
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for (var j = 0; j < numPlayers && j != i && onlyAlliesLeft; j++)
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{
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if (diplomacy[j] && (diplomacy[i][j] <= 0 || diplomacy[j][i] <= 0))
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{ // Only need to find an active non-allied player
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onlyAlliesLeft = false;
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}
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}
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if (onlyAlliesLeft)
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allyIDs.push(i+1);
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}
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}
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// If only allies left and allied victory set (or only one player left)
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if (onlyAlliesLeft && (this.alliedVictory || allyIDs.length == 1))
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{
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for (var p in allyIDs)
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{
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var playerEntityId = cmpPlayerManager.GetPlayerByID(allyIDs[p]);
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var cmpPlayer = Engine.QueryInterface(playerEntityId, IID_Player);
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cmpPlayer.SetState("won");
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}
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var cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager);
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cmpRangeManager.SetLosRevealAll(true);
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}
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break;
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default:
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error("Invalid game type "+this.gameType);
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break;
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}
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};
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Engine.RegisterComponentType(IID_EndGameManager, "EndGameManager", EndGameManager);
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