engine.js in gamefic-sdk-1.7.0

- old
+ new
@@ -1,45 +1,114 @@
 var Gamefic = (function() {
 	var updateCallbacks = [];
 	var startCallbacks = [];
+	var loggingUrl = null;
+	var logId = null;
+	var logAlias = null;
+	var lastPrompt = null;
+	var lastInput = null;
+
+	var _start = function() {
+		startCallbacks.forEach((callback) => {
+			callback();
+		});
+		Opal.gvars.engine.$run();
+	}
+
+	var _canLog = function() {
+		if (!loggingUrl) {
+			return false;
+		}
+		var a = document.createElement('a');
+		a.href = loggingUrl;
+		return (a.host == window.location.host);
+	}
+
+	var _logAlias = function(name) {
+		logAlias = name || logAlias || 'anonymous';
+		return logAlias;
+	}
 	return {
+		enableLogging: function(url) {
+			loggingUrl = url || '//gamefic.com/game/log';
+			return loggingUrl;
+		},
+
+		logAlias: function(name) {
+			return _logAlias(name);
+		},
+
+		canLog: function() {
+			return _canLog();
+		},
+
 		start: function() {
-			startCallbacks.forEach((callback) => {
-				callback();
-			});
-			Opal.gvars.engine.$run();
+			if (loggingUrl) {
+				if (_canLog()) {
+					$.post(loggingUrl, { alias: _logAlias() }, function(response) {
+						logId = response.id;
+						_start();
+					}).fail(function(response) {
+						console.warn('Logging failed.');
+						console.warn(response);
+						_start();
+					});
+				} else {
+					console.warn('Logging was not activated for ' + loggingUrl);
+					_start();
+				}
+			} else {
+				_start();
+			}
 		},
-		update: function(response) {
-			console.log('Called the Gamefic update');
-			var state = JSON.parse(response);
-			console.log('Output: ' + state.output);
+
+		update: function(json) {
+			var state = JSON.parse(json);
+			state.last_prompt = lastPrompt;
+			state.last_input = lastInput;
+			if (logId) {
+				$.post(loggingUrl + '/' + logId + '.json', { _method: 'PUT', state: state }, function(response) {
+
+				}).fail(function(response) {
+					console.warn('Logging update failed.');
+					console.warn(response);
+					logId = null;
+				});
+			}
 			updateCallbacks.forEach(function(callback) {
 				callback(state);
 			});
+			lastPrompt = state.prompt;
 		},
+
 		receive: function(input) {
+			lastInput = input;
 			Opal.gvars.engine.$receive(input);
 		},
+
 		onStart: function(callback) {
 			startCallbacks.push(callback);
 		},
+
 		onUpdate: function(callback) {
 			updateCallbacks.push(callback);
 		},
+
 		save: function(filename, data) {
-			var json = Opal.JSON.$generate(data);
-			localStorage.setItem(filename, json);
-			Opal.GameficOpal.$static_character().$tell('Game saved.');
+			localStorage.setItem(filename, Opal.JSON.$generate(data));
 		},
+
 		restore: function(filename) {
-			var data = Opal.JSON.$parse(localStorage.getItem(filename));
-			var metadata = data.$fetch('metadata');
-			// HACK Converting hashes to strings for JavaScript comparison
-			if (metadata.$to_s() != Opal.GameficOpal.$static_plot().$metadata().$to_s()) {
-				Opal.GameficOpal.$static_character().$tell('The saved data is not compatible with this version of the game.');
-				return Opal.nil;
-			} else {
-				return data;
-			}
+			var json = localStorage.getItem(filename);
+			var snapshot = Opal.JSON.$parse(json);
+			Opal.gvars.plot.$restore(snapshot);
+			Opal.gvars.engine.$user().$character().$flush();
+			Opal.gvars.engine.$user().$character().$cue(Opal.gvars.plot.$default_scene());
+			Opal.gvars.plot.$update();
+			Opal.gvars.plot.$ready();
+			Opal.gvars.engine.$user().$character().$tell('Game restored to last available turn.');
+			var state = Opal.gvars.engine.$user().$character().$state();
+			var json = state.$to_json();
+			this.update(json);
 		}
 	}
 })();