55 lines
1.9 KiB
JavaScript
55 lines
1.9 KiB
JavaScript
/* micropolisJS. Adapted by Graeme McCutcheon from Micropolis.
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*
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* This code is released under the GNU GPL v3, with some additional terms.
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* Please see the files LICENSE and COPYING for details. Alternatively,
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* consult http://micropolisjs.graememcc.co.uk/LICENSE and
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* http://micropolisjs.graememcc.co.uk/COPYING
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*
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*/
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Micro.getSavedGame = function() {
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if(Micro.localStorage==null) return;
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var savedGame = Micro.localStorage.getItem(Micro.KEY);
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if (savedGame !== null) {
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savedGame = JSON.parse(savedGame);
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if (savedGame.version !== Micro.CURRENT_VERSION) this.transitionOldSave(savedGame);
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// Flag as a saved game for Game/Simulation etc...
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savedGame.isSavedGame = true;
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}
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return savedGame;
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};
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Micro.saveGame = function(gameData) {
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if(Micro.localStorage==null) return;
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gameData.version = Micro.CURRENT_VERSION;
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gameData = JSON.stringify(gameData);
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Micro.localStorage.setItem(Micro.KEY, gameData);
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};
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Micro.transitionOldSave = function(savedGame) {
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switch (savedGame.version) {
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case 1: savedGame.everClicked = false;
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/* falls through */
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case 2:
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savedGame.pollutionMaxX = Math.floor(savedGame.width / 2);
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savedGame.pollutionMaxY = Math.floor(savedGame.height / 2);
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savedGame.cityCentreX = Math.floor(savedGame.width / 2);
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savedGame.cityCentreY = Math.floor(savedGame.height / 2);
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break;
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//default: throw new Error('Unknown save version!');
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}
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};
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/*
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var Storage = {
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getSavedGame: getSavedGame,
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saveGame: saveGame,
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transitionOldSave: transitionOldSave
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};
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Micro.defineProperty(Storage, 'CURRENT_VERSION', Micro.makeConstantDescriptor(3));
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Micro.defineProperty(Storage, 'KEY', Micro.makeConstantDescriptor('micropolisJSGame'));
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Micro.defineProperty(Storage, 'canStore', Micro.makeConstantDescriptor(window.localStorage !== undefined));
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*/ |