Document summary screen sprite manager

include/data.h

@@ -5,6 +5,8 @@
 
 #define SPECIES_SHINY_TAG 500
 
+#define MAX_TRAINER_ITEMS 4
+
 enum {
     BATTLER_AFFINE_NORMAL,
     BATTLER_AFFINE_EMERGE,
@@ -66,7 +68,7 @@ struct Trainer
     /*0x02*/ u8 encounterMusic_gender; // last bit is gender
     /*0x03*/ u8 trainerPic;
     /*0x04*/ u8 trainerName[12];
-    /*0x10*/ u16 items[4];
+    /*0x10*/ u16 items[MAX_TRAINER_ITEMS];
     /*0x18*/ bool8 doubleBattle;
     /*0x1C*/ u32 aiFlags;
     /*0x20*/ u8 partySize;