mirror of https://github.com/stella-emu/stella.git
Only save the cheatlist file (stella.cht) when something has changed.
During development, sometimes Stella would crash, and for some reason take the cheatfile contents with it. Now, at least, this should occur very rarely, since cheats won't be changed most of the time. git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1062 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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stephena
parent
baedc94f5e
commit
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: CheatManager.cxx,v 1.9 2006-03-11 21:22:47 stephena Exp $
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// $Id: CheatManager.cxx,v 1.10 2006-03-22 15:12:02 stephena Exp $
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//============================================================================
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#include <sstream>
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@ -28,7 +28,9 @@
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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CheatManager::CheatManager(OSystem* osystem)
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: myOSystem(osystem)
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: myOSystem(osystem),
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myCurrentCheat(""),
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myListIsDirty(false)
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{
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}
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@ -260,11 +262,15 @@ void CheatManager::loadCheatDatabase()
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}
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in.close();
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myListIsDirty = false;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CheatManager::saveCheatDatabase()
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{
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if(!myListIsDirty)
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return;
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string cheatfile = myOSystem->baseDir() + BSPF_PATH_SEPARATOR + "stella.cht";
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ofstream out(cheatfile.c_str(), ios::out);
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if(!out)
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@ -283,6 +289,7 @@ void CheatManager::saveCheatDatabase()
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void CheatManager::loadCheats(const string& md5sum)
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{
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clear();
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myCurrentCheat = "";
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// Set up any cheatcodes that was on the command line
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// (and remove the key from the settings, so they won't get set again)
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@ -294,6 +301,10 @@ void CheatManager::loadCheats(const string& md5sum)
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if(iter == myCheatMap.end() && cheats == "")
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return;
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// Remember the cheats for this ROM
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myCurrentCheat = iter->second;
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// Parse the cheat list, constructing cheats and adding them to the manager
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parse(iter->second + cheats);
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}
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@ -310,15 +321,24 @@ void CheatManager::saveCheats(const string& md5sum)
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cheats << ",";
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}
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bool changed = cheats.str() != myCurrentCheat;
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// Only update the list if absolutely necessary
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if(changed)
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{
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CheatCodeMap::iterator iter = myCheatMap.find(md5sum);
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// Erase old entry
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// Erase old entry and add a new one only if it's changed
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if(iter != myCheatMap.end())
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myCheatMap.erase(iter);
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// Add new entry only if there are any cheats defined
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if(cheats.str() != "")
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myCheatMap.insert(make_pair(md5sum, cheats.str()));
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}
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// Update the dirty flag
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myListIsDirty = myListIsDirty || changed;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: CheatManager.hxx,v 1.6 2005-12-18 18:37:01 stephena Exp $
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// $Id: CheatManager.hxx,v 1.7 2006-03-22 15:12:02 stephena Exp $
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//============================================================================
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#ifndef CHEAT_MANAGER_HXX
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@ -36,7 +36,7 @@ typedef map<string,string> CheatCodeMap;
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the list of all cheats currently in use.
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@author Stephen Anthony
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@version $Id: CheatManager.hxx,v 1.6 2005-12-18 18:37:01 stephena Exp $
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@version $Id: CheatManager.hxx,v 1.7 2006-03-22 15:12:02 stephena Exp $
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*/
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class CheatManager
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{
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@ -158,6 +158,13 @@ class CheatManager
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CheatCodeMap myCheatMap;
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string myCheatFile;
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// This is set each time a new cheat/ROM is loaded, for later
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// comparison to see if the cheatcode list has actually been modified
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string myCurrentCheat;
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// Indicates that the list has been modified, and should be saved to disk
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bool myListIsDirty;
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};
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#endif
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@ -13,7 +13,7 @@
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: OSystem.cxx,v 1.64 2006-03-17 19:44:18 stephena Exp $
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// $Id: OSystem.cxx,v 1.65 2006-03-22 15:12:02 stephena Exp $
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//============================================================================
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#include <cassert>
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@ -266,6 +266,9 @@ void OSystem::createSound()
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool OSystem::createConsole(const string& romfile)
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{
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// Delete any lingering console object
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delete myConsole; myConsole = NULL;
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bool retval = false, showmessage = false;
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// If a blank ROM has been given, we reload the current one (assuming one exists)
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@ -287,8 +290,6 @@ bool OSystem::createConsole(const string& romfile)
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string md5;
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if(openROM(myRomFile, md5, &image, &size))
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{
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delete myConsole; myConsole = NULL;
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// Create an instance of the 2600 game console
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// The Console c'tor takes care of updating the eventhandler state
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myConsole = new Console(image, size, md5, this);
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