add field info to wild pokemon json

src/data/wild_encounters.json

@@ -3,6 +3,32 @@
     {
       "label": "gWildMonHeaders",
       "for_maps": true,
+      "fields": [
+        {
+          "type": "land_mons",
+          "encounter_rates": [
+            20, 20, 10, 10, 10, 10, 5, 5, 4, 4, 1, 1
+          ]
+        },
+        {
+          "type": "water_mons",
+          "encounter_rates": [
+            60, 30, 5, 4, 1
+          ]
+        },
+        {
+          "type": "rock_smash_mons",
+          "encounter_rates": [
+            60, 30, 5, 4, 1
+          ]
+        },
+        {
+          "type": "fishing_mons",
+          "encounter_rates": [
+            70, 30, 60, 20, 20, 40, 40, 15, 4, 1
+          ]
+        }
+      ],
       "encounters": [
         {
           "map": "MAP_ROUTE101",

src/data/wild_encounters.json.txt

@@ -1,5 +1,16 @@
 {{ doNotModifyHeader }}
+
 ## for wild_encounter_group in wild_encounter_groups
+{% if wild_encounter_group.for_maps %}
+## for wild_encounter_field in wild_encounter_group.fields
+## for encounter_rate in wild_encounter_field.encounter_rates
+{% if trackVar(encounter_rate, 100) %}
+#define ENCOUNTER_CHANCE_{{ upper(wild_encounter_field.type) }}_INDEX_{{ loop.index }} {{ encounter_rate }} {% else %}#define ENCOUNTER_CHANCE_{{ upper(wild_encounter_field.type) }}_INDEX_{{ loop.index }} ENCOUNTER_CHANCE_{{ upper(wild_encounter_field.type) }}_INDEX_{{ subtract(loop.index, 1) }} + {{ encounter_rate }}{% endif %}
+## endfor
+
+## endfor
+{% endif %}
+
 ## for encounter in wild_encounter_group.encounters
 {% if existsIn(encounter, "land_mons") %}
 const struct WildPokemon {{ encounter.base_label }}_LandMons[] =