More battle_dome.c doc

src/pokemon.c

@@ -1334,7 +1334,7 @@ const struct SpindaSpot gSpindaSpotGraphics[] =
 
 #include "data/pokemon/item_effects.h"
 
-const s8 gNatureStatTable[][5] =
+const s8 gNatureStatTable[][NUM_EV_STATS] =
 {
     // Atk Def Spd Sp.Atk Sp.Def
     {    0,  0,  0,     0,     0}, // Hardy
@@ -5715,7 +5715,8 @@ u8 GetTrainerEncounterMusicId(u16 trainerOpponentId)
 
 u16 ModifyStatByNature(u8 nature, u16 n, u8 statIndex)
 {
-    if (statIndex < 1 || statIndex > 5)
+    // Dont modify HP, Accuracy, or Evasion by nature
+    if (statIndex <= STAT_HP || statIndex > NUM_EV_STATS)
     {
         // Should just be "return n", but it wouldn't match without this.
         u16 retVal = n;