Split up engine/events/misc_scripts_2.asm

New files are:
- engine/events/hidden_item.asm
- engine/events/repel.asm

engine/events/hidden_item.asm

@@ -0,0 +1,37 @@
+HiddenItemScript::
+	opentext
+	readmem wHiddenItemID
+	getitemname STRING_BUFFER_3, USE_SCRIPT_VAR
+	writetext .PlayerFoundItemText
+	giveitem ITEM_FROM_MEM
+	iffalse .bag_full
+	callasm SetMemEvent
+	specialsound
+	itemnotify
+	sjump .finish
+
+.bag_full
+	promptbutton
+	writetext .ButNoSpaceText
+	waitbutton
+
+.finish
+	closetext
+	end
+
+.PlayerFoundItemText:
+	text_far _PlayerFoundItemText
+	text_end
+
+.ButNoSpaceText:
+	text_far _ButNoSpaceText
+	text_end
+
+SetMemEvent:
+	ld hl, wHiddenItemEvent
+	ld a, [hli]
+	ld d, [hl]
+	ld e, a
+	ld b, SET_FLAG
+	call EventFlagAction
+	ret