/// <summary>
/// Simply checks for and returns the scene index from the core save file, per the last manual save operation.
/// </summary>
/// <returns>The last manually saved scene index, or invalidSceneIndexToken if no such save was present.</returns>
private int fetchLastSavedGameSceneIndex()
{
int lastSavedGameSceneIndex = invalidSceneIndexToken;
FileStream fsCore = null;
FPESceneSaveData loadedSceneData = null;
BinaryFormatter formatter = new BinaryFormatter();
try
{
fsCore = new FileStream(fullCoreSaveFileFullPath, FileMode.Open);
loadedSceneData = (FPESceneSaveData)formatter.Deserialize(fsCore);
lastSavedGameSceneIndex = loadedSceneData.LastSavedSceneIndex;
}
catch (Exception e)
{
Debug.LogError("FPESaveLoadManager:: Failed to load core save file '" + fullCoreSaveFileFullPath + "'. Reason: " + e.Message);
}
finally
{
if (fsCore != null)
{
fsCore.Close();
}
}
return(lastSavedGameSceneIndex);
}
/// <summary>
/// Checks to see if there is a valid core save file present.
/// </summary>
/// <returns>True if a core save file exists and is considered valid to load. False if no such file exists.</returns>
public bool SavedGameExists()
{
bool result = false;
FPESceneSaveData loadedSceneData = null;
BinaryFormatter formatter = new BinaryFormatter();
FileStream fsCore = null;
try
{
// If core file exists, read in contents and see if save game is valid
if (File.Exists(fullCoreSaveFileFullPath))
{
fsCore = new FileStream(fullCoreSaveFileFullPath, FileMode.Open);
loadedSceneData = (FPESceneSaveData)formatter.Deserialize(fsCore);
if (loadedSceneData.LastSavedSceneIndex != invalidSceneIndexToken)
{
result = true;
}
//else
//{
// Debug.Log("FPESaveLoadManager.SavedGameExists():: Saved game core file at '" + fullCoreSaveFileFullPath + "' was invalid, scene index was '" + loadedSceneData.LastSavedSceneIndex + "'");
//}
}
// If it does not exist, that's fine, it will be created when player saves their game
else
{
result = false;
}
}
catch (Exception e)
{
Debug.LogError("FPESaveLoadManager.SavedGameExists():: Exception occurred while trying to open '" + fullCoreSaveFileFullPath + "'. Reason: " + e.Message);
result = false;
}
finally
{
if (fsCore != null)
{
fsCore.Close();
}
}
return(result);
}
/// <summary>
/// Saves all relevant game data per the scene and specified fullSave value.
/// </summary>
/// <param name="fullSave">If true, 'last manually saved scene' and player location data are also saved. If false, these are skipped and just the other scene object data is saved.</param>
/// <returns>True if operation was a success. False if there was an error. In the case of an error, an exception likely occured, and an exception message will be printed.</returns>
private IEnumerator saveDataForCurrentScene(bool fullSave)
{
float operationStartTime = Time.time;
bool result = true;
BinaryFormatter formatter = new BinaryFormatter();
FileStream fsCore = null;
FileStream fsPlayer = null;
FileStream fsInventory = null;
FileStream fsLevel = null;
FPESceneSaveData sceneData = mySaveLoadLogic.gatherSceneData();
FPEInventorySaveData inventoryData = mySaveLoadLogic.gatherInventorySaveData();
FPEPlayerStateSaveData playerLocationData = mySaveLoadLogic.gatherPlayerData();
FPEInventoryWorldSaveData[] worldInventoryData = mySaveLoadLogic.gatherInventoryInWorld();
FPEPickupWorldSaveData[] worldPickupData = mySaveLoadLogic.gatherPickupsInWorld();
FPETriggerSaveData[] triggerSaveData = mySaveLoadLogic.gatherTriggerData();
FPEActivateSaveData[] activateSaveData = mySaveLoadLogic.gatherActivateTypeData();
FPEAttachedNoteSaveData[] attachedNoteSaveData = mySaveLoadLogic.gatherAttachedNoteTypeData();
FPEAudioDiaryPlayedStateSaveData[] playedDiarySaveData = mySaveLoadLogic.gatherAudioDiaryPlayedStateData();
FPEJournalSaveData[] journalSaveData = mySaveLoadLogic.gatherJournalSaveData();
FPEDoorSaveData[] doorSaveData = mySaveLoadLogic.gatherDoorTypeData();
FPEGenericObjectSaveData[] genericSaveData = mySaveLoadLogic.gatherGenericSaveTypeData();
//
// Your additional Custom Save/Load logic for custom save data types goes here
//
// Try to write the gathered data to applicable save files on disk
try
{
// We only want to save player location data on manual save operation. When "auto-saving" on change of scene via Doorway, we just want to save the non-player level data.
if (fullSave)
{
// We also only want to write to core save file on a manual save operation. Auto-saves on level change do not count as a "full save"
fsCore = new FileStream(fullCoreSaveFileFullPath, FileMode.Create);
formatter.Serialize(fsCore, sceneData);
fsPlayer = new FileStream(fullPlayerLocationDataSaveFileFullPath, FileMode.Create);
formatter.Serialize(fsPlayer, playerLocationData);
fsInventory = new FileStream(fullInventoryDataSaveFileFullPath, FileMode.Create);
formatter.Serialize(fsInventory, inventoryData);
}
fsLevel = new FileStream(autoSavePath + "/" + levelDataFilePrefix + sceneData.LastSavedSceneIndex + levelDataFilePostfix, FileMode.Create);
formatter.Serialize(fsLevel, worldInventoryData);
formatter.Serialize(fsLevel, worldPickupData);
formatter.Serialize(fsLevel, triggerSaveData);
formatter.Serialize(fsLevel, activateSaveData);
formatter.Serialize(fsLevel, attachedNoteSaveData);
formatter.Serialize(fsLevel, playedDiarySaveData);
formatter.Serialize(fsLevel, journalSaveData);
formatter.Serialize(fsLevel, doorSaveData);
formatter.Serialize(fsLevel, genericSaveData);
// If performing a full save, we also want to flush all previous FULL save data from full directory, and replace it will the stuff we just saved to auto
if (fullSave)
{
copyAllLevelDataFromPathToPath(autoSavePath, fullSavePath);
}
}
catch (Exception e)
{
Debug.LogError("FPESaveLoadManager:: Failed to save game file(s). Did you make a call the SaveGame() before ever calling StartANewGame()? Reason: " + e.Message);
result = false;
}
finally
{
if (fsCore != null)
{
fsCore.Close();
}
if (fsLevel != null)
{
fsLevel.Close();
}
if (fsPlayer != null)
{
fsPlayer.Close();
}
if (fsInventory != null)
{
fsInventory.Close();
}
}
// Last thing is to clear the progress flag to indicate we're done
savingInProgress = false;
yield return(result);
}
/// <summary>
/// This function removes all level save files and resets the core save file back to the invalid token index. After calling this function, SavedGameExists() will return false.
/// </summary>
/// <returns>True if starting a new game worked. False if something went wrong (e.g. file permissions issue, etc.)</returns>
public bool StartANewGame()
{
bool result = true;
BinaryFormatter formatter = new BinaryFormatter();
FileStream fsCore = null;
FPESceneSaveData sceneData = new FPESceneSaveData(invalidSceneIndexToken);
try
{
// On first play, directories will not exist
if (Directory.Exists(fullSavePath) == false)
{
Directory.CreateDirectory(fullSavePath);
}
if (Directory.Exists(autoSavePath) == false)
{
Directory.CreateDirectory(autoSavePath);
}
// Reset Core file
fsCore = new FileStream(fullCoreSaveFileFullPath, FileMode.Create);
formatter.Serialize(fsCore, sceneData);
// Delete player data and inventory data from both auto and full directories
try
{
// Full
if (File.Exists(fullPlayerLocationDataSaveFileFullPath))
{
File.Delete(fullPlayerLocationDataSaveFileFullPath);
}
if (File.Exists(fullInventoryDataSaveFileFullPath))
{
File.Delete(fullInventoryDataSaveFileFullPath);
}
}
catch (Exception e)
{
//Debug.LogError("FPESaveLoadManager.StartANewGame():: Failed to delete either player save file ('" + fullPlayerLocationDataSaveFileFullPath + "'/'" + autoPlayerLocationDataSaveFileFullPath + "') or inventory save file ('" + fullInventoryDataSaveFileFullPath + "'/'" + autoInventoryDataSaveFileFullPath + "') (or some combination). Reason: " + e.Message);
Debug.LogError("FPESaveLoadManager.StartANewGame():: Failed to delete either player save file ('" + fullPlayerLocationDataSaveFileFullPath + "') or inventory save file ('" + fullInventoryDataSaveFileFullPath + "') (or some combination). Reason: " + e.Message);
}
finally
{
}
// Delete all level save files in auto directory
deleteAllLevelDataFromPath(autoSavePath);
// Delete all level save files in full directory
deleteAllLevelDataFromPath(fullSavePath);
}
catch (Exception e)
{
Debug.LogError("FPESaveLoadManager.StartANewGame():: Failed to create core save game file '" + fullCoreSaveFileFullPath + "'. Reason: " + e.Message);
result = false;
}
finally
{
if (fsCore != null)
{
fsCore.Close();
}
}
return(result);
}
