block various types of NPC FSOD from SPSOF

src/CommandFormats.hh

@@ -4555,10 +4555,10 @@ struct G_CreateTelepipe_6x68 {
 
 struct G_NPCControl_6x69 {
   G_UnusedHeader header;
+  le_uint16_t state = 0;
   le_uint16_t npc_client_id = 0;
-  le_uint16_t unknown_a1 = 0; // 1 if command == 0 or 3, unused otherwise
   le_uint16_t command = 0; // 0 = create follower NPC, 1 = stop acting, 2 = start acting, 3 = create attacker NPC
-  le_uint16_t unknown_a2 = 0; // Specifies which NPC to create if command == 0 or 3, unused otherwise
+  le_uint16_t npc_template_index = 0; // Specifies which NPC to create if command == 0 or 3; unused otherwise
 } __packed__;
 
 // 6x6A: Use boss warp (not valid on Episode 3)