feat(state): load state on start

src/forge.c

@@ -59,7 +59,7 @@ static void init_context(Parameters params, unsigned int in_count) {
   unsigned int i;
 
   state_init(context, state_config, params.demo, params.base_tempo,
-             params.state_file, params.empty_state);
+             params.state_file, params.load_state);
 
   context->monitor = params.monitor;
 
@@ -315,7 +315,9 @@ void forge_run(Parameters params) {
 
   context->stop = true;
 
-  state_save(context, state_config, params.state_file);
+  if (params.save_state) {
+    state_save(context, state_config, params.state_file);
+  }
 
   shaders_free(program);