/// <summary>
/// Handle save-game-to-load-selected events from the SaveLoadScreen.
/// </summary>
void loadGameScreen_LoadingSaveGame(SaveGameDescription saveGameDescription)
{
if (Session.IsActive)
{
ExitScreen();
}
LoadingScreen.Load(ScreenManager, true,
new GameplayScreen(saveGameDescription));
}
/// <summary>
/// Create a new GameplayScreen object from a saved-game description.
/// </summary>
public GameplayScreen(SaveGameDescription saveGameDescription)
: this()
{
this.gameStartDescription = null;
this.saveGameDescription = saveGameDescription;
}
/// <summary>
/// Create a new GameplayScreen object from a new-game description.
/// </summary>
public GameplayScreen(GameStartDescription gameStartDescription)
: this()
{
this.gameStartDescription = gameStartDescription;
this.saveGameDescription = null;
}
/// <summary>
/// Handle save-game-to-load-selected events from the SaveLoadScreen.
/// </summary>
void loadGameScreen_LoadingSaveGame(SaveGameDescription saveGameDescription)
{
if (Session.IsActive)
{
ExitScreen();
}
LoadingScreen.Load(ScreenManager, true,
new GameplayScreen(saveGameDescription));
}
/// <summary>
/// Receives the storage device and starts a new session,
/// using the data in the given save game.
/// </summary>
/// <remarks>The new session is created in LoadSessionResult.</remarks>
/// <param name="storageDevice">The chosen storage device.</param>
/// <param name="saveGameDescription">The description of the save game.</param>
public static void LoadSessionResult(StorageDevice storageDevice,
SaveGameDescription saveGameDescription)
{
// check the parameters
if (saveGameDescription == null)
{
throw new ArgumentNullException("saveGameDescription");
}
// check the parameter
if ((storageDevice == null) || !storageDevice.IsConnected)
{
return;
}
// open the container
using (StorageContainer storageContainer =
storageDevice.OpenContainer(Session.SaveGameContainerName))
{
string filename = Path.Combine(storageContainer.Path,
saveGameDescription.FileName);
using (FileStream stream = new FileStream(filename, FileMode.Open))
{
using (XmlReader xmlReader = XmlReader.Create(stream))
{
// <rolePlayingGameData>
xmlReader.ReadStartElement("rolePlayingGameSaveData");
// read the map information
xmlReader.ReadStartElement("mapData");
string mapAssetName =
xmlReader.ReadElementString("mapContentName");
PlayerPosition playerPosition = new XmlSerializer(
typeof(PlayerPosition)).Deserialize(xmlReader)
as PlayerPosition;
singleton.removedMapChests = new XmlSerializer(
typeof(List<WorldEntry<Chest>>)).Deserialize(xmlReader)
as List<WorldEntry<Chest>>;
singleton.removedMapFixedCombats = new XmlSerializer(
typeof(List<WorldEntry<FixedCombat>>)).Deserialize(xmlReader)
as List<WorldEntry<FixedCombat>>;
singleton.removedMapPlayerNpcs = new XmlSerializer(
typeof(List<WorldEntry<Player>>)).Deserialize(xmlReader)
as List<WorldEntry<Player>>;
singleton.modifiedMapChests = new XmlSerializer(
typeof(List<ModifiedChestEntry>)).Deserialize(xmlReader)
as List<ModifiedChestEntry>;
ChangeMap(mapAssetName, null);
TileEngine.PartyLeaderPosition = playerPosition;
xmlReader.ReadEndElement();
// read the quest information
ContentManager content = Session.ScreenManager.Game.Content;
xmlReader.ReadStartElement("questData");
singleton.questLine = content.Load<QuestLine>(
xmlReader.ReadElementString("questLineContentName")).Clone()
as QuestLine;
singleton.currentQuestIndex = Convert.ToInt32(
xmlReader.ReadElementString("currentQuestIndex"));
for (int i = 0; i < singleton.currentQuestIndex; i++)
{
singleton.questLine.Quests[i].Stage =
Quest.QuestStage.Completed;
}
singleton.removedQuestChests = new XmlSerializer(
typeof(List<WorldEntry<Chest>>)).Deserialize(xmlReader)
as List<WorldEntry<Chest>>;
singleton.removedQuestFixedCombats = new XmlSerializer(
typeof(List<WorldEntry<FixedCombat>>)).Deserialize(xmlReader)
as List<WorldEntry<FixedCombat>>;
singleton.modifiedQuestChests = new XmlSerializer(
typeof(List<ModifiedChestEntry>)).Deserialize(xmlReader)
as List<ModifiedChestEntry>;
Quest.QuestStage questStage = (Quest.QuestStage)Enum.Parse(
typeof(Quest.QuestStage),
xmlReader.ReadElementString("currentQuestStage"), true);
if ((singleton.questLine != null) && !IsQuestLineComplete)
{
singleton.quest =
singleton.questLine.Quests[CurrentQuestIndex];
singleton.ModifyQuest(singleton.quest);
singleton.quest.Stage = questStage;
}
xmlReader.ReadEndElement();
// read the party data
singleton.party = new Party(new XmlSerializer(
typeof(PartySaveData)).Deserialize(xmlReader)
as PartySaveData, content);
// </rolePlayingGameSaveData>
xmlReader.ReadEndElement();
}
}
}
}
/// <summary>
/// Start a new session, using the data in the given save game.
/// </summary>
/// <param name="saveGameDescription">The description of the save game.</param>
/// <param name="screenManager">The ScreenManager for the new session.</param>
public static void LoadSession(SaveGameDescription saveGameDescription,
ScreenManager screenManager, GameplayScreen gameplayScreen)
{
// check the parameters
if (saveGameDescription == null)
{
throw new ArgumentNullException("saveGameDescription");
}
if (screenManager == null)
{
throw new ArgumentNullException("screenManager");
}
if (gameplayScreen == null)
{
throw new ArgumentNullException("gameplayScreen");
}
// end any existing session
EndSession();
// create the new session
singleton = new Session(screenManager, gameplayScreen);
// get the storage device and load the session
GetStorageDevice(
delegate(StorageDevice storageDevice)
{
LoadSessionResult(storageDevice, saveGameDescription);
});
}
/// <summary>
/// Delete the save game specified by the description.
/// </summary>
/// <param name="storageDevice">The chosen storage device.</param>
/// <param name="saveGameDescription">The description of the save game.</param>
public static void DeleteSaveGameResult(StorageDevice storageDevice,
SaveGameDescription saveGameDescription)
{
// check the parameters
if (saveGameDescription == null)
{
throw new ArgumentNullException("saveGameDescription");
}
// check the parameter
if ((storageDevice == null) || !storageDevice.IsConnected)
{
return;
}
// open the container
using (StorageContainer storageContainer =
storageDevice.OpenContainer(Session.SaveGameContainerName))
{
File.Delete(Path.Combine(storageContainer.Path,
saveGameDescription.FileName));
File.Delete(Path.Combine(storageContainer.Path, "SaveGameDescription" +
Path.GetFileNameWithoutExtension(
saveGameDescription.FileName).Substring(8) +
".xml"));
}
// refresh the save game descriptions
Session.RefreshSaveGameDescriptions();
}
/// <summary>
/// Delete the save game specified by the description.
/// </summary>
/// <param name="saveGameDescription">The description of the save game.</param>
public static void DeleteSaveGame(SaveGameDescription saveGameDescription)
{
// check the parameters
if (saveGameDescription == null)
{
throw new ArgumentNullException("saveGameDescription");
}
// get the storage device and load the session
GetStorageDevice(
delegate(StorageDevice storageDevice)
{
DeleteSaveGameResult(storageDevice, saveGameDescription);
});
}
/// <summary>
/// Save the current state of the session, with the given storage device.
/// </summary>
/// <param name="storageDevice">The chosen storage device.</param>
/// <param name="overwriteDescription">
/// The description of the save game to over-write, if any.
/// </param>
private static void SaveSessionResult(StorageDevice storageDevice,
SaveGameDescription overwriteDescription)
{
// check the parameter
if ((storageDevice == null) || !storageDevice.IsConnected)
{
return;
}
// open the container
using (StorageContainer storageContainer =
storageDevice.OpenContainer(Session.SaveGameContainerName))
{
string filename;
string descriptionFilename;
// get the filenames
if (overwriteDescription == null)
{
int saveGameIndex = 0;
string testFilename;
do
{
saveGameIndex++;
testFilename = Path.Combine(storageContainer.Path, "SaveGame" +
saveGameIndex.ToString() + ".xml");
}
while (File.Exists(testFilename));
filename = testFilename;
descriptionFilename = "SaveGameDescription" +
saveGameIndex.ToString() + ".xml";
}
else
{
filename = Path.Combine(storageContainer.Path,
overwriteDescription.FileName);
descriptionFilename = "SaveGameDescription" +
Path.GetFileNameWithoutExtension(
overwriteDescription.FileName).Substring(8) + ".xml";
}
using (FileStream stream = new FileStream(filename, FileMode.Create))
{
using (XmlWriter xmlWriter = XmlWriter.Create(stream))
{
// <rolePlayingGameData>
xmlWriter.WriteStartElement("rolePlayingGameSaveData");
// write the map information
xmlWriter.WriteStartElement("mapData");
xmlWriter.WriteElementString("mapContentName",
TileEngine.Map.AssetName);
new XmlSerializer(typeof(PlayerPosition)).Serialize(
xmlWriter, TileEngine.PartyLeaderPosition);
new XmlSerializer(typeof(List<WorldEntry<Chest>>)).Serialize(
xmlWriter, singleton.removedMapChests);
new XmlSerializer(
typeof(List<WorldEntry<FixedCombat>>)).Serialize(
xmlWriter, singleton.removedMapFixedCombats);
new XmlSerializer(typeof(List<WorldEntry<Player>>)).Serialize(
xmlWriter, singleton.removedMapPlayerNpcs);
new XmlSerializer(typeof(List<ModifiedChestEntry>)).Serialize(
xmlWriter, singleton.modifiedMapChests);
xmlWriter.WriteEndElement();
// write the quest information
xmlWriter.WriteStartElement("questData");
xmlWriter.WriteElementString("questLineContentName",
singleton.questLine.AssetName);
xmlWriter.WriteElementString("currentQuestIndex",
singleton.currentQuestIndex.ToString());
new XmlSerializer(typeof(List<WorldEntry<Chest>>)).Serialize(
xmlWriter, singleton.removedQuestChests);
new XmlSerializer(
typeof(List<WorldEntry<FixedCombat>>)).Serialize(
xmlWriter, singleton.removedQuestFixedCombats);
new XmlSerializer(typeof(List<ModifiedChestEntry>)).Serialize(
xmlWriter, singleton.modifiedQuestChests);
xmlWriter.WriteElementString("currentQuestStage",
IsQuestLineComplete ?
Quest.QuestStage.NotStarted.ToString() :
singleton.quest.Stage.ToString());
xmlWriter.WriteEndElement();
// write the party data
new XmlSerializer(typeof(PartySaveData)).Serialize(xmlWriter,
new PartySaveData(singleton.party));
// </rolePlayingGameSaveData>
xmlWriter.WriteEndElement();
}
}
// create the save game description
SaveGameDescription description = new SaveGameDescription();
description.FileName = Path.GetFileName(filename);
description.ChapterName = IsQuestLineComplete ? "Quest Line Complete" :
Quest.Name;
description.Description = DateTime.Now.ToString();
using (FileStream stream = new FileStream(Path.Combine(
storageContainer.Path, descriptionFilename), FileMode.Create))
{
new XmlSerializer(typeof(SaveGameDescription)).Serialize(stream,
description);
}
}
}
/// <summary>
/// Save the current state of the session.
/// </summary>
/// <param name="overwriteDescription">
/// The description of the save game to over-write, if any.
/// </param>
public static void SaveSession(SaveGameDescription overwriteDescription)
{
// retrieve the storage device, asynchronously
GetStorageDevice(delegate(StorageDevice storageDevice)
{
SaveSessionResult(storageDevice, overwriteDescription);
});
}
/// <summary>
/// Create a new GameplayScreen object from a saved-game description.
/// </summary>
public GameplayScreen(SaveGameDescription saveGameDescription)
: this()
{
this.gameStartDescription = null;
this.saveGameDescription = saveGameDescription;
}
/// <summary>
/// Create a new GameplayScreen object from a new-game description.
/// </summary>
public GameplayScreen(GameStartDescription gameStartDescription)
: this()
{
this.gameStartDescription = gameStartDescription;
this.saveGameDescription = null;
}
/// <summary>
/// Delete the save game specified by the description.
/// </summary>
/// <param name="storageDevice">The chosen storage device.</param>
/// <param name="saveGameDescription">The description of the save game.</param>
public static void DeleteSaveGameResult(SaveGameDescription saveGameDescription)
{
// check the parameters
if (saveGameDescription == null)
{
throw new ArgumentNullException("saveGameDescription");
}
// open the container
using (IsolatedStorageFile container = IsolatedStorageFile.GetUserStoreForApplication())
{
container.DeleteFile(saveGameDescription.FileName);
container.DeleteFile("SaveGameDescription" +
Path.GetFileNameWithoutExtension(
saveGameDescription.FileName).Substring(8) + ".xml");
}
// refresh the save game descriptions
Session.RefreshSaveGameDescriptions();
}
