JSONStateReader: Do not emit json Null/Nan/Inf warnings with Quiet verbosity

Author: ptheywood

src/flamegpu/io/JSONStateReader.cu

@@ -219,14 +219,17 @@ class JSONStateReader_impl : public nlohmann::json_sax<nlohmann::json> {
             mode.pop();
             is_array = true;
         }
-        if (mode.top() == Environment) {
-            fprintf(stderr, "Warning: JSON Environment property '%s' contains NULL, this has been interpreted as NaN (but may represent Inf).\n", lastKey.c_str());
-        } else if (mode.top() == MacroEnvironment) {
-            fprintf(stderr, "Warning: JSON MacroEnvironment property '%s' contains NULL, this has been interpreted as NaN (but may represent Inf).\n", lastKey.c_str());
-        } else if (mode.top() == AgentInstance) {
-            fprintf(stderr, "Warning: JSON Agent '%s' variable '%s' contains NULL, this has been interpreted as NaN (but may represent Inf).\n", current_agent.c_str(), lastKey.c_str());
-        } else {
-            fprintf(stderr, "Warning: JSON state item '%s' contains NULL, this has been interpreted as NaN (but may represent Inf).\n", lastKey.c_str());
+        // Emit a warning if the verbosity level is high enough
+        if (verbosity > Verbosity::Quiet) {
+            if (mode.top() == Environment) {
+                fprintf(stderr, "Warning: JSON Environment property '%s' contains NULL, this has been interpreted as NaN (but may represent Inf).\n", lastKey.c_str());
+            } else if (mode.top() == MacroEnvironment) {
+                fprintf(stderr, "Warning: JSON MacroEnvironment property '%s' contains NULL, this has been interpreted as NaN (but may represent Inf).\n", lastKey.c_str());
+            } else if (mode.top() == AgentInstance) {
+                fprintf(stderr, "Warning: JSON Agent '%s' variable '%s' contains NULL, this has been interpreted as NaN (but may represent Inf).\n", current_agent.c_str(), lastKey.c_str());
+            } else {
+                fprintf(stderr, "Warning: JSON state item '%s' contains NULL, this has been interpreted as NaN (but may represent Inf).\n", lastKey.c_str());
+            }
         }
         if (is_array) {
             mode.push(VariableArray);