C#: Add platform name to the exported data directory

modules/mono/editor/GodotTools/GodotTools/Export/ExportPlugin.cs

@@ -170,7 +170,7 @@ namespace GodotTools.Export
                 string ridOS = DetermineRuntimeIdentifierOS(platform);
                 string ridArch = DetermineRuntimeIdentifierArch(arch);
                 string runtimeIdentifier = $"{ridOS}-{ridArch}";
-                string projectDataDirName = $"data_{GodotSharpDirs.CSharpProjectName}_{arch}";
+                string projectDataDirName = $"data_{GodotSharpDirs.CSharpProjectName}_{platform}_{arch}";
                 if (platform == OS.Platforms.MacOS)
                 {
                     projectDataDirName = Path.Combine("Contents", "Resources", projectDataDirName);

modules/mono/godotsharp_dirs.cpp

@@ -95,6 +95,38 @@ String _get_mono_user_dir() {
 #endif
 }
 
+#if !TOOLS_ENABLED
+// This should be the equivalent of GodotTools.Utils.OS.PlatformNameMap.
+static const char *platform_name_map[][2] = {
+	{ "Windows", "windows" },
+	{ "macOS", "macos" },
+	{ "Linux", "linuxbsd" },
+	{ "FreeBSD", "linuxbsd" },
+	{ "NetBSD", "linuxbsd" },
+	{ "BSD", "linuxbsd" },
+	{ "UWP", "uwp" },
+	{ "Haiku", "haiku" },
+	{ "Android", "android" },
+	{ "iOS", "ios" },
+	{ "Web", "web" },
+	{ nullptr, nullptr }
+};
+
+String _get_platform_name() {
+	String platform_name = OS::get_singleton()->get_name();
+
+	int idx = 0;
+	while (platform_name_map[idx][0] != nullptr) {
+		if (platform_name_map[idx][0] == platform_name) {
+			return platform_name_map[idx][1];
+		}
+		idx++;
+	}
+
+	return "";
+}
+#endif
+
 class _GodotSharpDirs {
 public:
 	String res_metadata_dir;
@@ -139,12 +171,13 @@ private:
 #endif
 		api_assemblies_dir = api_assemblies_base_dir.path_join(GDMono::get_expected_api_build_config());
 #else // TOOLS_ENABLED
+		String platform = _get_platform_name();
 		String arch = Engine::get_singleton()->get_architecture_name();
 		String appname_safe = path::get_csharp_project_name();
 		String packed_path = "res://.godot/mono/publish/" + arch;
 		if (DirAccess::exists(packed_path)) {
 			// The dotnet publish data is packed in the pck/zip.
-			String data_dir_root = OS::get_singleton()->get_cache_path().path_join("data_" + appname_safe + "_" + arch);
+			String data_dir_root = OS::get_singleton()->get_cache_path().path_join("data_" + appname_safe + "_" + platform + "_" + arch);
 			bool has_data = false;
 			if (!has_data) {
 				// 1. Try to access the data directly.
@@ -173,16 +206,10 @@ private:
 			api_assemblies_dir = data_dir_root;
 		} else {
 			// The dotnet publish data is in a directory next to the executable.
-			String data_dir_root = exe_dir.path_join("data_" + appname_safe + "_" + arch);
-			if (!DirAccess::exists(data_dir_root)) {
-				data_dir_root = exe_dir.path_join("data_Godot_" + arch);
-			}
+			String data_dir_root = exe_dir.path_join("data_" + appname_safe + "_" + platform + "_" + arch);
 #ifdef MACOS_ENABLED
 			if (!DirAccess::exists(data_dir_root)) {
-				data_dir_root = res_dir.path_join("data_" + appname_safe + "_" + arch);
-			}
-			if (!DirAccess::exists(data_dir_root)) {
-				data_dir_root = res_dir.path_join("data_Godot_" + arch);
+				data_dir_root = res_dir.path_join("data_" + appname_safe + "_" + platform + "_" + arch);
 			}
 #endif
 			api_assemblies_dir = data_dir_root;