add field info to wild pokemon json

tools/jsonproc/jsonproc.cpp

@@ -36,7 +36,14 @@ int main(int argc, char *argv[])
 
     // Add custom command callbacks.
     env.add_callback("doNotModifyHeader", 0, [jsonfilepath, templateFilepath](Arguments& args) {
-        return "//\n// DO NOT MODIFY THIS FILE! IT IS AUTO-GENERATED FROM " + jsonfilepath +" and Inja template " + templateFilepath + "\n//\n";
+        return "//\n// DO NOT MODIFY THIS FILE! It is auto-generated from " + jsonfilepath +" and Inja template " + templateFilepath + "\n//\n";
+    });
+
+    env.add_callback("subtract", 2, [](Arguments& args) {
+        int minuend = args.at(0)->get<int>();
+        int subtrahend = args.at(1)->get<int>();
+
+        return minuend - subtrahend;
     });
 
     env.add_callback("setVar", 2, [=](Arguments& args) {
@@ -51,6 +58,21 @@ int main(int argc, char *argv[])
         return get_custom_var(key);
     });
 
+    env.add_callback("trackVar", 2, [](Arguments& args) {
+        static int counter = 0;
+
+        int addValue = args.at(0)->get<int>();
+        int checkValue = args.at(1)->get<int>();
+
+        bool over = false;
+
+        counter = (counter + addValue) % (checkValue + 1);
+
+        if (counter <= addValue) over = true;
+
+        return over;
+    });
+
     env.add_callback("concat", 2, [](Arguments& args) {
         string first = args.at(0)->get<string>();
         string second = args.at(1)->get<string>();
@@ -67,7 +89,6 @@ int main(int argc, char *argv[])
         return rawValue.erase(0, prefix.length());
     });
 
-    // Add custom command callbacks.
     env.add_callback("removeSuffix", 2, [](Arguments& args) {
         string rawValue = args.at(0)->get<string>();
         string suffix = args.at(1)->get<string>();