meh

#include "ScriptPCH.h"
#define MIN_INTERVAL_TIMER 900000 // 15 minutes, in miliseconds.... 1 second = 1000 miliseconds
#define MAX_INTERVAL_TIMER 1800000 // 30 minutes
#define RANDOM_NPC_ENTRY 00000
#define RANDOM_ITEM_REWARD_ENTRY 10000
// edit all this shit ^
class Random_Appearance : public WorldScript
{
public:
	Random_Appearance() : WorldScript("Random_Appearance") {}
	uint32 Timer;

	void DoRandomShit()
	{
		SessionMap Players = sWorld->GetAllSessions();
		if(Players.empty())
			return;
		SessionMap::iterator itr = Players.find(urand(0, Players.size()));
		Player* player = itr->second->GetPlayer();
		Position *pos;
	    player->GetPosition(pos);
		pos->m_positionX -= 3;
		pos->m_positionY -= 3;
		Creature* Summoned = player->SummonCreature(RANDOM_NPC_ENTRY, *pos, TEMPSUMMON_MANUAL_DESPAWN, 5000);
		const ItemTemplate* rewardedItem = sObjectMgr->GetItemTemplate(RANDOM_ITEM_REWARD_ENTRY);
		std::ostringstream ss;
		ss << "Congratulations, you have been randomly gifted with ";
		ss << rewardedItem->Name1;
		ss << " !";
		Summoned->MonsterSay(ss.str().c_str(), LANG_UNIVERSAL, player->GetGUID());
		player->AddItem(RANDOM_ITEM_REWARD_ENTRY, 1);
		Timer = urand(MIN_INTERVAL_TIMER, MAX_INTERVAL_TIMER);
	}

	void OnStartup()
	{
		Timer = urand(MIN_INTERVAL_TIMER, MAX_INTERVAL_TIMER);
	}

	void OnUpdate(uint32 diff)
	{
		if(diff > Timer)
			DoRandomShit();
		else
			Timer -= diff;
	}
};
void AddSC_Random_Appearance()
{
	new Random_Appearance();
}