add dedicated stopAll()

should not change abi

solanaceae/plugin/plugin.cpp

@@ -108,6 +108,8 @@ Plugin::Plugin(Plugin&& other) {
 
 	_fn_render = other._fn_render;
 	other._fn_render = nullptr;
+
+	_running = other._running;
 }
 
 // unloads the plugin
@@ -122,14 +124,22 @@ Plugin::~Plugin(void) {
 }
 
 // runs the start function
-uint32_t Plugin::start(SolanaAPI* solana_api) const {
+uint32_t Plugin::start(SolanaAPI* solana_api) {
 	assert(valid_plugin);
+	if (_running) {
+		return 1;
+	}
+	_running = true;
 	return reinterpret_cast<decltype(&solana_plugin_start)>(_fn_start)(solana_api);
 }
 
 // stop function
-void Plugin::stop(void) const {
+void Plugin::stop(void) {
 	assert(valid_plugin);
+	if (!_running) {
+		return;
+	}
+	_running = false;
 	reinterpret_cast<decltype(&solana_plugin_stop)>(_fn_stop)();
 }
 

solanaceae/plugin/plugin.hpp

@@ -22,6 +22,8 @@ struct Plugin {
 	void* _fn_tick = nullptr;
 	void* _fn_render = nullptr;
 
+	bool _running = false;
+
 	void* loadSymbol(const char* name);
 
 	// loads lib and gets name (and version)
@@ -32,12 +34,11 @@ struct Plugin {
 	// unloads the plugin
 	~Plugin(void);
 
-
 	// runs the start function
-	uint32_t start(SolanaAPI* solana_api) const;
+	uint32_t start(SolanaAPI* solana_api);
 
 	// stop function
-	void stop(void) const;
+	void stop(void);
 
 	// update functions
 	float tick(float delta) const;

solanaceae/plugin/plugin_manager.cpp

@@ -26,10 +26,7 @@ void g_provideInstance__internal(const char* id, const char* version, const char
 } // extern C
 
 PluginManager::~PluginManager(void) {
-	// destruct in reverse!
-	for (auto it = _plugins.rbegin(); it != _plugins.rend(); it++) {
-		it->stop();
-	}
+	stopAll();
 }
 
 bool PluginManager::add(const std::string& plug_path) {
@@ -48,6 +45,13 @@ bool PluginManager::add(const std::string& plug_path) {
 	return true;
 }
 
+void PluginManager::stopAll(void) {
+	// destruct in reverse!
+	for (auto it = _plugins.rbegin(); it != _plugins.rend(); it++) {
+		it->stop();
+	}
+}
+
 float PluginManager::tick(float delta) {
 	float min_interval {std::numeric_limits<float>::max()};
 

solanaceae/plugin/plugin_manager.hpp

@@ -47,6 +47,9 @@ struct PluginManager {
 
 	bool add(const std::string& plug_path);
 
+	// stops, but does not remove/unload, all plugins
+	void stopAll(void);
+
 	// returns the minimum time until next call is wanted in seconds
 	float tick(float delta);
 	float render(float delta);