[Server] Use script function to get spellbook action

apps/openmw-mp/Networking.cpp

@@ -250,7 +250,7 @@ void Networking::processPlayerPacket(RakNet::Packet *packet)
         DEBUG_PRINTF("ID_PLAYER_SPELLBOOK\n");
         myPacket->Read(player);
 
-        Script::Call<Script::CallbackIdentity("OnPlayerSpellbookChange")>(player->getId(), player->spellbookChanges.action);
+        Script::Call<Script::CallbackIdentity("OnPlayerSpellbookChange")>(player->getId());
 
         break;
     }

apps/openmw-mp/Script/Functions/Spells.cpp

@@ -14,6 +14,14 @@ unsigned int SpellFunctions::GetSpellbookChangesSize(unsigned short pid) noexcep
     return player->spellbookChanges.count;
 }
 
+unsigned int SpellFunctions::GetSpellbookAction(unsigned short pid) noexcept
+{
+    Player *player;
+    GET_PLAYER(pid, player, 0);
+
+    return player->spellbookChanges.action;
+}
+
 void SpellFunctions::AddSpell(unsigned short pid, const char* spellId) noexcept
 {
     Player *player;

apps/openmw-mp/Script/Functions/Spells.hpp

@@ -3,6 +3,7 @@
 
 #define SPELLAPI \
     {"GetSpellbookChangesSize", SpellFunctions::GetSpellbookChangesSize},\
+    {"GetSpellbookAction",      SpellFunctions::GetSpellbookAction},\
     \
     {"AddSpell",                SpellFunctions::AddSpell},\
     {"RemoveSpell",             SpellFunctions::RemoveSpell},\
@@ -17,6 +18,7 @@ class SpellFunctions
 public:
 
     static unsigned int GetSpellbookChangesSize(unsigned short pid) noexcept;
+    static unsigned int GetSpellbookAction(unsigned short pid) noexcept;
 
     static void AddSpell(unsigned short pid, const char* spellId) noexcept;
     static void RemoveSpell(unsigned short pid, const char* spellId) noexcept;

apps/openmw-mp/Script/ScriptFunctions.hpp

@@ -115,7 +115,7 @@ public:
             {"OnPlayerLevelChange",      Function<void, unsigned short>()},
             {"OnPlayerEquipmentChange",  Function<void, unsigned short>()},
             {"OnPlayerInventoryChange",  Function<void, unsigned short>()},
-            {"OnPlayerSpellbookChange",  Function<void, unsigned short, int>()},
+            {"OnPlayerSpellbookChange",  Function<void, unsigned short>()},
             {"OnPlayerJournalChange",    Function<void, unsigned short>()},
             {"OnObjectPlace",            Function<void, unsigned short, const char*>()},
             {"OnObjectDelete",           Function<void, unsigned short, const char*>()},