Added configs for modern post-battle stat calcs

include/constants/battle_config.h

@@ -93,6 +93,8 @@
 #define B_RECOIL_IF_MISS_DMG        GEN_7 // In Gen5+, Jump Kick and High Jump Kick will always do half of the user's max HP when missing.
 #define B_PSYWAVE_DMG               GEN_7 // Psywave's damage formula. See Cmd_psywavedamageeffect.
 #define B_BADGE_BOOST               GEN_7 // In Gen4+, Gym Badges no longer boost a Pokémon's stats.
+#define B_MAX_LEVEL_EV_GAINS        GEN_7 // In Gen5+, Lv100 Pokémon can obtain Effort Values normally.
+#define B_RECALCULATE_STATS         GEN_7 // In Gen5+, the stats of the Pokémon who participate in battle are recalculated at the end of each battle.
 
 // Move data settings
 #define B_UPDATED_MOVE_DATA         GEN_8 // Updates move data in gBattleMoves, including Power, Accuracy, PP, stat changes, targets, chances of secondary effects, etc.

src/battle_script_commands.c

@@ -3783,6 +3783,9 @@ static void Cmd_getexp(void)
                 *(&gBattleStruct->sentInPokes) >>= 1;
                 gBattleScripting.getexpState = 5;
                 gBattleMoveDamage = 0; // used for exp
+            #if B_MAX_LEVEL_EV_GAINS >= GEN_5
+                MonGainEVs(&gPlayerParty[gBattleStruct->expGetterMonId], gBattleMons[gBattlerFainted].species);
+            #endif
             }
             else
             {
@@ -3958,6 +3961,12 @@ static void Cmd_getexp(void)
     case 6: // increment instruction
         if (gBattleControllerExecFlags == 0)
         {
+        #if B_RECALCULATE_STATS >= GEN_5
+            // Recalculate the stats of every party member before the end
+            for (i = 0; i < PARTY_SIZE; i++)
+                CalculateMonStats(&gPlayerParty[i]);
+        #endif
+
             // not sure why gf clears the item and ability here
             gBattleMons[gBattlerFainted].item = 0;
             gBattleMons[gBattlerFainted].ability = 0;