1 files changed, 61 insertions, 20 deletions

diff --git a/base/plugins.cpp b/base/plugins.cpp
index 5d0be11065..61cc747a41 100644
--- a/base/plugins.cpp
+++ b/base/plugins.cpp
@@ -302,6 +302,31 @@ void PluginManager::addPluginProvider(PluginProvider *pp) {
 	_providers.push_back(pp);
 }
 
+bool PluginManager::loadFirstPlugin() { //TODO: only deal with engine plugins here, and have a separate "loadNonEnginePlugins" function.
+	unloadPluginsExcept(PLUGIN_TYPE_ENGINE, NULL);
+	PluginList plugs;
+	for (ProviderList::iterator pp = _providers.begin();
+	                            pp != _providers.end();
+	                            ++pp) {
+		PluginList pl((*pp)->getPlugins());
+		for (PluginList::iterator p = pl.begin(); p != pl.end(); ++p) {
+			plugs.push_back(*p);
+		}
+	}
+	_pluginsEnd = plugs.end();
+	_currentPlugin = plugs.begin();
+	if (plugs.empty()) return false; //return false if there are no plugins to load.
+	return tryLoadPlugin(*_currentPlugin);
+}
+
+bool PluginManager::loadNextPlugin() {
+	// To ensure only one engine plugin is loaded at a time, we unload all engine plugins before loading a new one.
+	unloadPluginsExcept(PLUGIN_TYPE_ENGINE, NULL);
+	++_currentPlugin;
+	if (_currentPlugin == _pluginsEnd) return false; //return false if already reached the end of list of plugins.
+	return tryLoadPlugin(*_currentPlugin); 
+}
+
 void PluginManager::loadPlugins() {
 	for (ProviderList::iterator pp = _providers.begin();
 	                            pp != _providers.end();
@@ -309,7 +334,6 @@ void PluginManager::loadPlugins() {
 		PluginList pl((*pp)->getPlugins());
 		Common::for_each(pl.begin(), pl.end(), Common::bind1st(Common::mem_fun(&PluginManager::tryLoadPlugin), this));
 	}
-
 }
 
 void PluginManager::unloadPlugins() {
@@ -340,7 +364,7 @@ bool PluginManager::tryLoadPlugin(Plugin *plugin) {
 		// The plugin is valid, see if it provides the same module as an
 		// already loaded one and should replace it.
 		bool found = false;
-
+		printf("Plugin loaded is %s\n", plugin->getName());
 		PluginList::iterator pl = _plugins[plugin->getType()].begin();
 		while (!found && pl != _plugins[plugin->getType()].end()) {
 			if (!strcmp(plugin->getName(), (*pl)->getName())) {
@@ -366,13 +390,24 @@ bool PluginManager::tryLoadPlugin(Plugin *plugin) {
 	}
 }
 
-
 // Engine plugins
 
 #include "engines/metaengine.h"
 
 DECLARE_SINGLETON(EngineManager)
 
+GameDescriptor EngineManager::findGameOnePlugAtATime(const Common::String &gameName, const EnginePlugin **plugin) const {
+	GameDescriptor result;
+	PluginManager::instance().loadFirstPlugin();
+	do {
+		result = findGame(gameName, plugin); 
+		if (!result.gameid().empty()) {
+			break;
+		}
+	} while (PluginManager::instance().loadNextPlugin());
+	return result;
+}
+
 GameDescriptor EngineManager::findGame(const Common::String &gameName, const EnginePlugin **plugin) const {
 	// Find the GameDescriptor for this target
 	const EnginePlugin::List &plugins = getPlugins();
@@ -381,30 +416,36 @@ GameDescriptor EngineManager::findGame(const Common::String &gameName, const Eng
 	if (plugin)
 		*plugin = 0;
 
-	EnginePlugin::List::const_iterator iter = plugins.begin();
-	for (iter = plugins.begin(); iter != plugins.end(); ++iter) {
-		result = (**iter)->findGame(gameName.c_str());
-		if (!result.gameid().empty()) {
-			if (plugin)
-				*plugin = *iter;
-			break;
+	EnginePlugin::List::const_iterator iter;
+	
+		for (iter = plugins.begin(); iter != plugins.end(); ++iter) {
+			result = (**iter)->findGame(gameName.c_str());
+			if (!result.gameid().empty()) {
+				if (plugin)
+					*plugin = *iter;
+				return result;
+			}
 		}
-	}
 	return result;
 }
 
 GameList EngineManager::detectGames(const Common::FSList &fslist) const {
 	GameList candidates;
-
-	const EnginePlugin::List &plugins = getPlugins();
-
-	// Iterate over all known games and for each check if it might be
-	// the game in the presented directory.
+	EnginePlugin::List plugins;
 	EnginePlugin::List::const_iterator iter;
-	for (iter = plugins.begin(); iter != plugins.end(); ++iter) {
-		candidates.push_back((**iter)->detectGames(fslist));
-	}
-
+#if defined(NEW_PLUGIN_DESIGN_FIRST_REFINEMENT) && defined(DYNAMIC_MODULES)
+	PluginManager::instance().loadFirstPlugin();
+	do {
+#endif
+		plugins = getPlugins();
+		// Iterate over all known games and for each check if it might be
+		// the game in the presented directory.
+		for (iter = plugins.begin(); iter != plugins.end(); ++iter) {
+			candidates.push_back((**iter)->detectGames(fslist));
+		}
+#if defined(NEW_PLUGIN_DESIGN_FIRST_REFINEMENT) && defined(DYNAMIC_MODULES)
+	} while (PluginManager::instance().loadNextPlugin());
+#endif
 	return candidates;
 }