Merge pull request #2170 from ergo720/format_partition

Added option to clear the cache partitions from the GUI

src/gui/WndMain.cpp

@@ -98,6 +98,36 @@ void ClearSymbolCache(const char sStorageLocation[MAX_PATH])
 	printf("Cleared HLE Cache\n");
 }
 
+unsigned ClearCachePartitions()
+{
+	const std::string &partition_path = g_Settings->GetDataLocation() + "\\EmuDisk\\Partition";
+	std::error_code err;
+	unsigned has_any_err = 0;
+
+	for (int partition_num = 3; partition_num < 6; ++partition_num) {
+		const std::string &partition = partition_path + std::to_string(partition_num);
+		for (const auto &directory_entry : std::filesystem::directory_iterator(partition, err)) {
+			if (err) {
+				has_any_err |= 1;
+			}
+			else {
+				std::filesystem::remove_all(directory_entry, err);
+				if (err) {
+					has_any_err |= 1;
+				}
+			}
+		}
+
+		const std::string &partition_bin = partition + ".bin";
+		std::filesystem::remove(partition_bin, err);
+		if (err) {
+			has_any_err |= 1;
+		}
+	}
+
+	return has_any_err;
+}
+
 void WndMain::InitializeSettings()
 {
 	g_Settings->Delete();
@@ -1088,6 +1118,22 @@ LRESULT CALLBACK WndMain::WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lP
 			}
 			break;
 
+			case ID_SETTINGS_CLEAR_PARTITIONS:
+			{
+				if (m_bIsStarted) {
+					PopupError(m_hwnd, "Cannot clear the cache partitions while a title is running.");
+				}
+				else {
+					if (ClearCachePartitions()) {
+						PopupError(m_hwnd, "An errror has occoured while clearing the cache partitions.");
+					}
+					else {
+						PopupInfo(m_hwnd, "Cleared the cache partitions.");
+					}
+				}
+			}
+			break;
+
 			case ID_SETTINGS_INITIALIZE:
 			{
 				PopupReturn ret = PopupWarningEx(m_hwnd, PopupButtons::YesNo, PopupReturn::No,

src/gui/resource/Cxbx.rc

@@ -691,6 +691,7 @@ BEGIN
             MENUITEM "&Clear entire Symbol Cache",  ID_CACHE_CLEARHLECACHE_ALL,MFT_STRING,MFS_ENABLED
             MENUITEM "&Rescan title Symbol Cache",  ID_CACHE_CLEARHLECACHE_CURRENT,MFT_STRING,MFS_ENABLED
         END
+        MENUITEM "Clear Cache Partitions",  ID_SETTINGS_CLEAR_PARTITIONS,MFT_STRING,MFS_ENABLED
         MENUITEM "", -1, MFT_SEPARATOR
         POPUP "Experimental",                   65535,MFT_STRING,MFS_ENABLED
         BEGIN

src/gui/resource/ResCxbx.h

@@ -304,6 +304,7 @@
 #define ID_SETTINGS_CACHE               40083
 #define ID_CACHE_CLEARHLECACHE_ALL      40084
 #define ID_CACHE_CLEARHLECACHE_CURRENT  40085
+#define ID_SETTINGS_CLEAR_PARTITIONS    40086
 #define ID_SETTINGS_HACKS               40088
 #define ID_HACKS_DISABLEPIXELSHADERS    40089
 #define ID_LED                          40090