Added ability to specify separate directories for saving

and loading snapshot files.


git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@2612 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba

Changes.txt

@@ -53,6 +53,11 @@
   * Fixed regression in RIOT INTIM reads; at least one known ROM
     (Mr. Roboto Berzerk hack) wasn't working properly.
 
+  * Added support for different directories for saving/loading PNG
+    files.  These are set with the 'snapsavedir' and 'snaploaddir'
+    commandline arguments (which replace the old 'snapdir'), and are
+    also available within the UI.
+
   * Updated included PNG and ZLIB libraries to latest stable version.
 
 -Have fun!

docs/index.html

@@ -2101,10 +2101,15 @@
     </tr>
 
     <tr>
-      <td><pre>-snapdir &lt;path&gt;</pre></td>
+      <td><pre>-snapsavedir &lt;path&gt;</pre></td>
       <td>The directory to save snapshot files to.</td>
     </tr>
 
+    <tr>
+      <td><pre>-snaploaddir &lt;path&gt;</pre></td>
+      <td>The directory to load snapshot files from.</td>
+    </tr>
+
     <tr>
       <td><pre>-sssingle &lt;1|0&gt;</pre></td>
       <td>Generate single snapshot instead of many, overwriting
@@ -2552,7 +2557,8 @@
         <table border="1" cellpadding="4">
           <tr><th>Item</th><th>Brief description</th><th>For more information,<br>see <a href="#CommandLine">CommandLine</a></th></tr>
           <tr><td>Rom path</td><td>specifies location of ROM files</td><td>-romdir</td></tr>
-          <tr><td>Snapshot path</td><td>specifies where to load/save snapshots</td><td>-snapdir</td></tr>
+          <tr><td>Snapshot save path</td><td>specifies where to save snapshots</td><td>-snapsavedir</td></tr>
+          <tr><td>Snapshot load path</td><td>specifies where to load snapshots</td><td>-snaploaddir</td></tr>
           <tr><td>Cheat file</td><td>specifies location of cheatfile database</td><td>-cheatfile</td></tr>
           <tr><td>Palette file</td><td>specifies location of user palette</td><td>-palettefile</td></tr>
           <tr><td>Properties file </td><td>specifies location of external stella.pro database</td><td>-propsfile</td></tr>

src/emucore/EventHandler.cxx

@@ -1948,7 +1948,7 @@ void EventHandler::takeSnapshot(uInt32 number)
   // Figure out the correct snapshot name
   string filename;
   bool showmessage = number == 0;
-  string sspath = myOSystem->snapshotDir() +
+  string sspath = myOSystem->snapshotSaveDir() +
       myOSystem->console().properties().get(Cartridge_Name);
 
   // Check whether we want multiple snapshots created

src/emucore/OSystem.cxx

@@ -348,7 +348,8 @@ void OSystem::setConfigPaths()
   string s;
 
   validatePath(myStateDir, "statedir", myBaseDir + "statedir");
-  validatePath(mySnapshotDir, "snapdir", defaultSnapDir());
+  validatePath(mySnapshotSaveDir, "snapsavedir", defaultSnapSaveDir());
+  validatePath(mySnapshotLoadDir, "snaploaddir", defaultSnapLoadDir());
   validatePath(myEEPROMDir, "eepromdir", myBaseDir);
   validatePath(myCfgDir, "cfgdir", myBaseDir + "cfg");
 

src/emucore/OSystem.hxx

@@ -314,9 +314,11 @@ class OSystem
     const string& stateDir() const { return myStateDir; }
 
     /**
-      Return the full/complete directory name for storing PNG snapshots.
+      Return the full/complete directory name for saving and loading
+      PNG snapshots.
     */
-    const string& snapshotDir() const { return mySnapshotDir; }
+    const string& snapshotSaveDir() const { return mySnapshotSaveDir; }
+    const string& snapshotLoadDir() const { return mySnapshotLoadDir; }
 
     /**
       Return the full/complete directory name for storing EEPROM files.
@@ -505,13 +507,14 @@ class OSystem
     virtual void stateChanged(EventHandler::State state);
 
     /**
-      Returns the default path for the snapshot directory.
+      Returns the default save and load paths for the snapshot directory.
       Since this varies greatly among different systems and is the one
       directory that most end-users care about (vs. config file stuff
       that usually isn't user-modifiable), we create a special method
       for it.
     */
-    virtual string defaultSnapDir() { return "~"; }
+    virtual string defaultSnapSaveDir() { return "~"; }
+    virtual string defaultSnapLoadDir() { return "~"; }
 
     /**
       Set the position of the application window, generally using
@@ -610,7 +613,8 @@ class OSystem
     enum { kNumUIPalettes = 2 };
     string myBaseDir;
     string myStateDir;
-    string mySnapshotDir;
+    string mySnapshotSaveDir;
+    string mySnapshotLoadDir;
     string myEEPROMDir;
     string myCfgDir;
 

src/emucore/Settings.cxx

@@ -94,7 +94,8 @@ Settings::Settings(OSystem* osystem)
   setInternal("ctrlcombo", "true");
 
   // Snapshot options
-  setInternal("snapdir", "");
+  setInternal("snapsavedir", "");
+  setInternal("snaploaddir", "");
   setInternal("sssingle", "false");
   setInternal("ss1x", "false");
   setInternal("ssinterval", "2");
@@ -398,7 +399,8 @@ void Settings::usage()
     << "  -autoslot     <1|0>          Automatically switch to next save slot when state saving\n"
     << "  -stats        <1|0>          Overlay console info during emulation\n"
     << "  -fastscbios   <1|0>          Disable Supercharger BIOS progress loading bars\n"
-    << "  -snapdir      <path>         The directory to save snapshot files to\n"
+    << "  -snapsavedir  <path>         The directory to save snapshot files to\n"
+    << "  -snaploaddir  <path>         The directory to load snapshot files from\n"
     << "  -sssingle     <1|0>          Generate single snapshot instead of many\n"
     << "  -ss1x         <1|0>          Generate TIA snapshot in 1x mode (ignore scaling/effects)\n"
     << "  -ssinterval   <number        Number of seconds between snapshots in continuous snapshot mode\n"

src/gui/FileSnapDialog.cxx

@@ -43,7 +43,7 @@ FileSnapDialog::FileSnapDialog(
 {
   const int lineHeight   = font.getLineHeight(),
             fontWidth    = font.getMaxCharWidth(),
-            buttonWidth  = font.getStringWidth("Properties file:") + 20,
+            buttonWidth  = font.getStringWidth("Snapshot load path:") + 20,
             buttonHeight = font.getLineHeight() + 4;
   const int vBorder = 8;
   int xpos, ypos;
@@ -51,8 +51,8 @@ FileSnapDialog::FileSnapDialog(
   ButtonWidget* b;
 
   // Set real dimensions
-  _w = 52 * fontWidth + 8;
-  _h = 12 * (lineHeight + 4) + 10;
+  _w = 56 * fontWidth + 8;
+  _h = 13 * (lineHeight + 4) + 10;
 
   xpos = vBorder;  ypos = vBorder;
 
@@ -66,15 +66,25 @@ FileSnapDialog::FileSnapDialog(
                                  _w - xpos - 10, lineHeight, "");
   wid.push_back(myRomPath);
 
-  // Snapshot path
+  // Snapshot path (save files)
   xpos = vBorder;  ypos += romButton->getHeight() + 3;
   b = new ButtonWidget(this, font, xpos, ypos, buttonWidth, buttonHeight,
-                       "Snapshot path:", kChooseSnapDirCmd);
+                       "Snapshot save path:", kChooseSnapSaveDirCmd);
   wid.push_back(b);
   xpos += buttonWidth + 10;
-  mySnapPath = new EditTextWidget(this, font, xpos, ypos + 2,
+  mySnapSavePath = new EditTextWidget(this, font, xpos, ypos + 2,
                                   _w - xpos - 10, lineHeight, "");
-  wid.push_back(mySnapPath);
+  wid.push_back(mySnapSavePath);
+
+  // Snapshot path (load files)
+  xpos = vBorder;  ypos += romButton->getHeight() + 3;
+  b = new ButtonWidget(this, font, xpos, ypos, buttonWidth, buttonHeight,
+                       "Snapshot load path:", kChooseSnapLoadDirCmd);
+  wid.push_back(b);
+  xpos += buttonWidth + 10;
+  mySnapLoadPath = new EditTextWidget(this, font, xpos, ypos + 2,
+                                  _w - xpos - 10, lineHeight, "");
+  wid.push_back(mySnapLoadPath);
 
   // Cheat file
   xpos = vBorder;  ypos += b->getHeight() + 3;
@@ -188,7 +198,8 @@ void FileSnapDialog::loadConfig()
 {
   const Settings& settings = instance().settings();
   myRomPath->setEditString(settings.getString("romdir"));
-  mySnapPath->setEditString(settings.getString("snapdir"));
+  mySnapSavePath->setEditString(settings.getString("snapsavedir"));
+  mySnapLoadPath->setEditString(settings.getString("snaploaddir"));
   myCheatFile->setEditString(settings.getString("cheatfile"));
   myPaletteFile->setEditString(settings.getString("palettefile"));
   myPropsFile->setEditString(settings.getString("propsfile"));
@@ -203,7 +214,8 @@ void FileSnapDialog::loadConfig()
 void FileSnapDialog::saveConfig()
 {
   instance().settings().setString("romdir", myRomPath->getEditString());
-  instance().settings().setString("snapdir", mySnapPath->getEditString());
+  instance().settings().setString("snapsavedir", mySnapSavePath->getEditString());
+  instance().settings().setString("snaploaddir", mySnapLoadPath->getEditString());
   instance().settings().setString("cheatfile", myCheatFile->getEditString());
   instance().settings().setString("palettefile", myPaletteFile->getEditString());
   instance().settings().setString("propsfile", myPropsFile->getEditString());
@@ -227,7 +239,8 @@ void FileSnapDialog::setDefaults()
   node = FilesystemNode("~");
   myRomPath->setEditString(node.getShortPath());
 
-  mySnapPath->setEditString(instance().defaultSnapDir());
+  mySnapSavePath->setEditString(instance().defaultSnapSaveDir());
+  mySnapLoadPath->setEditString(instance().defaultSnapLoadDir());
  
   const string& cheatfile = basedir + "stella.cht";
   node = FilesystemNode(cheatfile);
@@ -276,9 +289,14 @@ void FileSnapDialog::handleCommand(CommandSender* sender, int cmd,
                       FilesystemNode::kListDirectoriesOnly, kRomDirChosenCmd);
       break;
 
-    case kChooseSnapDirCmd:
-      myBrowser->show("Select snapshot directory:", mySnapPath->getEditString(),
-                      FilesystemNode::kListDirectoriesOnly, kSnapDirChosenCmd);
+    case kChooseSnapSaveDirCmd:
+      myBrowser->show("Select snapshot save directory:", mySnapSavePath->getEditString(),
+                      FilesystemNode::kListDirectoriesOnly, kSnapSaveDirChosenCmd);
+      break;
+
+    case kChooseSnapLoadDirCmd:
+      myBrowser->show("Select snapshot load directory:", mySnapLoadPath->getEditString(),
+                      FilesystemNode::kListDirectoriesOnly, kSnapLoadDirChosenCmd);
       break;
 
     case kChooseCheatFileCmd:
@@ -313,10 +331,17 @@ void FileSnapDialog::handleCommand(CommandSender* sender, int cmd,
       break;
     }
 
-    case kSnapDirChosenCmd:
+    case kSnapSaveDirChosenCmd:
     {
       FilesystemNode dir(myBrowser->getResult());
-      mySnapPath->setEditString(dir.getShortPath());
+      mySnapSavePath->setEditString(dir.getShortPath());
+      break;
+    }
+
+    case kSnapLoadDirChosenCmd:
+    {
+      FilesystemNode dir(myBrowser->getResult());
+      mySnapLoadPath->setEditString(dir.getShortPath());
       break;
     }
 

src/gui/FileSnapDialog.hxx

@@ -58,7 +58,8 @@ class FileSnapDialog : public Dialog, public CommandSender
       kChooseCheatFileCmd   = 'LOcf', // cheatfile (stella.cht)
       kChoosePaletteFileCmd = 'LOpf', // palette file (stella.pal)
       kChoosePropsFileCmd   = 'LOpr', // properties file (stella.pro)
-      kChooseSnapDirCmd     = 'LOsn', // snapshot dir
+      kChooseSnapSaveDirCmd = 'LOss', // snapshot dir (save files)
+      kChooseSnapLoadDirCmd = 'LOsl', // snapshot dir (load files)
       kChooseEEPROMDirCmd   = 'LOee', // eeprom dir
       kStateDirChosenCmd    = 'LOsc', // state dir changed
       kCheatFileChosenCmd   = 'LOcc', // cheatfile changed
@@ -76,7 +77,8 @@ class FileSnapDialog : public Dialog, public CommandSender
     EditTextWidget* myCheatFile;
     EditTextWidget* myPaletteFile;
     EditTextWidget* myPropsFile;
-    EditTextWidget* mySnapPath;
+    EditTextWidget* mySnapSavePath;
+    EditTextWidget* mySnapLoadPath;
 
     // Other snapshot settings
     CheckboxWidget* mySnapSingle;

src/gui/LauncherDialog.cxx

@@ -603,7 +603,11 @@ void LauncherDialog::handleCommand(CommandSender* sender, int cmd,
       updateListing();
       break;
 
-    case kSnapDirChosenCmd:
+    case kSnapSaveDirChosenCmd:
+      // Stub just in case we need it
+      break;
+
+    case kSnapLoadDirChosenCmd:
       // Stub just in case we need it
       break;
 

src/gui/LauncherDialog.hxx

@@ -50,7 +50,8 @@ class StringListWidget;
 // These must be accessible from dialogs created by this class
 enum {
   kRomDirChosenCmd      = 'romc',  // rom chosen
-  kSnapDirChosenCmd = 'snpc',  // snap chosen
+  kSnapSaveDirChosenCmd = 'snsc',  // snap chosen (save files)
+  kSnapLoadDirChosenCmd = 'snlc',  // snap chosen (load files)
   kReloadRomDirCmd      = 'rdrl',  // reload the current listing
   kReloadFiltersCmd     = 'rlfl'   // reload filtering options and current listing
 };

src/gui/RomInfoWidget.cxx

@@ -108,7 +108,7 @@ void RomInfoWidget::parseProperties()
   myRomInfo.clear();
 
   // Get a valid filename representing a snapshot file for this rom
-  const string& filename = instance().snapshotDir() +
+  const string& filename = instance().snapshotLoadDir() +
       myProperties.get(Cartridge_Name) + ".png";
 
   // Read the PNG file

src/macosx/OSystemMACOSX.cxx

@@ -46,8 +46,14 @@ OSystemMACOSX::~OSystemMACOSX()
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-string OSystemMACOSX::defaultSnapDir()
+string OSystemMACOSX::defaultSnapSaveDir()
 {
   FilesystemNode desktop("~/Desktop");
   return desktop.isDirectory() ? desktop.getShortPath() : "~";
 }
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+string OSystemMACOSX::defaultSnapLoadDir()
+{
+  return defaultSnapSaveDir();
+}

src/macosx/OSystemMACOSX.hxx

@@ -42,9 +42,10 @@ class OSystemMACOSX : public OSystem
     virtual ~OSystemMACOSX();
 
     /**
-      Returns the default path for the snapshot directory.
+      Returns the default paths for the snapshot directory.
     */
-    string defaultSnapDir();
+    string defaultSnapSaveDir();
+    string defaultSnapLoadDir();
 };
 
 #endif

src/win32/OSystemWin32.cxx

@@ -91,13 +91,19 @@ OSystemWin32::~OSystemWin32()
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-string OSystemWin32::defaultSnapDir()
+string OSystemWin32::defaultSnapSaveDir()
 {
   HomeFinder homefinder;
   FilesystemNode desktop(homefinder.getDesktopPath());
   return desktop.isDirectory() ? desktop.getShortPath() : "~";
 }
 
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+string OSystemWin32::defaultSnapLoadDir()
+{
+  return defaultSnapSaveDir();
+}
+
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void OSystemWin32::setAppWindowPos(int x, int y, int w, int h)
 {

src/win32/OSystemWin32.hxx

@@ -44,9 +44,10 @@ class OSystemWin32 : public OSystem
 
   public:
     /**
-      Returns the default path for the snapshot directory.
+      Returns the default paths for the snapshot directory.
     */
-    string defaultSnapDir();
+    string defaultSnapSaveDir();
+    string defaultSnapLoadDir();
 
     /**
       Move window to given position.  The width and height are also