Mutli-XP System

Mutli-XP.cpp

class LEVEL_NPC : public CreatureScript
{
public: LEVEL_NPC() : CreatureScript("LEVEL_NPC") {}

		bool OnGossipHello(Player* player, Creature* creature)
		{
			if (player->HasItemCount(600000, 1, true) || player->HasItemCount(600001, 1, true))
				ChatHandler(player->GetSession()).SendSysMessage("You are no longer able to acces to this npc.");
		
		if (player->getLevel() == 1)
		{
			player->ADD_GOSSIP_ITEM(1, "I Want to stop at level 80 (Rate XP Blizzlike)", GOSSIP_SENDER_MAIN, 1);
			player->ADD_GOSSIP_ITEM(1, "I Want to stop at level 255 (Rate XP x100)", GOSSIP_SENDER_MAIN, 2);
		}
		else
			ChatHandler(player->GetSession()).SendSysMessage("You are no longer able to acces to this npc.");

		player->SEND_GOSSIP_MENU(1, creature->GetGUID());
		return true;
		}
		
		bool OnGossipSelect(Player* player, Creature* creature, uint32 sender, uint32 action)
		{
			player->PlayerTalkClass->ClearMenus();

			if (sender == GOSSIP_SENDER_MAIN)
			{
				switch (action)
				{
				case 1:
				player->AddItem(600000,1);
				player->CLOSE_GOSSIP_MENU();
				break;
				
				case 2:
				player->AddItem(600001,1);
				player->CLOSE_GOSSIP_MENU();
				break;
				}
			}
			
			return true;
		}
};

class Stop_XP_Script : public PlayerScript
{
public:
	Stop_XP_Script() : PlayerScript("Stop_XP_Script") { }
	void OnLevelChanged(Player * player, uint8 oldLevel)
	{
		if (oldLevel == 79 && player->HasItemCount(600000, 1, false))
		{
			player->SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_NO_XP_GAIN);
			player->DestroyItemCount(600000, 1, true);
		}
			
		if (oldLevel == 254 && player->HasItemCount(600001, 1, false))
			player->DestroyItemCount(600001, 1, true);
	}

};

void AddSC_MULTI_XP()
{
	new LEVEL_NPC();
	new Stop_XP_Script();
}

Player.diff

diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index 680f643..0f0e1e6 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -81,6 +81,8 @@
 #include "GameObjectAI.h"
 #include "../../../scripts/Custom/NPC/Transmog/Transmogrification.h"
 
+#include "Config.h"
+
 #define ZONE_UPDATE_INTERVAL (1*IN_MILLISECONDS)
 
 #define PLAYER_SKILL_INDEX(x)       (PLAYER_SKILL_INFO_1_1 + ((x)*3))
@@ -2970,6 +2972,19 @@ void Player::GiveXP(uint32 xp, Unit* victim, float group_rate)
     uint8 level = getLevel();
 
     sScriptMgr->OnGivePlayerXP(this, xp, victim);
+	
+	// Custom [Philippovitch - AC-Web] Start
+	// Item 1 level 80
+	float xp_bonus_for_item_1 = 0;
+	if(GetItemByEntry(sConfigMgr->GetIntDefault("Rate.Custom.ItemID_1", 600000)))
+		xp_bonus_for_item_1 = sConfigMgr->GetFloatDefault("Rate.Custom.Item_1.XP", 1.0f);
+	xp = uint32(xp * (1 + xp_bonus_for_item_1)); // Modify also Quest Gain
+	// Item 2 level 255
+	float xp_bonus_for_item_2 = 0;
+	if(GetItemByEntry(sConfigMgr->GetIntDefault("Rate.Custom.ItemID_2", 600001)))
+		xp_bonus_for_item_2 = sConfigMgr->GetFloatDefault("Rate.Custom.Item_2.XP", 1.0f);
+	xp = uint32(xp * (1 + xp_bonus_for_item_2)); // Modify also Quest Gain
+	// Custom [Philippovitch - AC-Web] End
 
     // XP to money conversion processed in Player::RewardQuest
     if (level >= sWorld->getIntConfig(CONFIG_MAX_PLAYER_LEVEL))

WorldServer.conf

###################################################################################################
###################################################################################################
#
#    	 Custom.Rate.ItemID
#		 Description : Define an item who's adding bonus in percentage for XP Gain
#        Default:     600000 - (Level 80)
#        Default:     600001 - (Level 255)
#

Rate.Custom.ItemID_1 = 600000
Rate.Custom.ItemID_2 = 600001

#    Rate.Custom.Item : Value 
#    Default: 	   0 - (NULL)   
#	 Description : Every float is in percentage, That mean each 1 = 10 % 
#	 if value = 0 there is no modification.
#	 

Rate.Custom.Item_1.XP = 0
Rate.Custom.Item_2.XP = 2550
#