Anti-Dupe Script

USE MUONLINE
  if exists(select * from dbo.sysobjects where type='p' and name='WZ_GetItemSerial')
  drop procedure WZ_GetItemSerial
GO

CREATE procedure WZ_GetItemSerial
AS
BEGIN
  DECLARE @ItemSerial int
  SET NOCOUNT ON
  BEGIN TRANSACTION
  UPDATE GameServerInfo set @ItemSerial = ItemCount = (case when ItemCount < 0x7effffff then ItemCount+1
  ELSE 1
  END)
 
  IF(@@error <> 0)
  BEGIN
      rollback transaction
      select-1
  END
  ELSE
  BEGIN
      commit transaction
      select @ItemSerial
  END
END
GO

  if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[trg_CheckSameID]') and OBJECTPROPERTY(id, N'IsTrigger') = 1)
  drop trigger [dbo].[trg_CheckSameID]
GO

  if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[AllItemsLog]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
  drop table [dbo].[AllItemsLog]
GO

  if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[CopyLog]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
  drop table [dbo].[CopyLog]
GO

CREATE TABLE [dbo].[AllItemsLog] (
  [items_id] [int] IDENTITY (1, 1) NOT NULL ,
  [items_type] [binary] (1) NOT NULL ,
  [items_serial] [binary] (4) NOT NULL ,
  [items_acid] [varchar] (10) COLLATE Chinese_PRC_CI_AS NOT NULL
) ON [PRIMARY]
GO

CREATE TABLE [dbo].[CopyLog] (
  [copy_id] [int] IDENTITY (1, 1) NOT NULL ,
  [copy_acid] [varchar] (10) COLLATE Chinese_PRC_CI_AS NOT NULL ,
  [copy_name] [varchar] (15) COLLATE Chinese_PRC_CI_AS NOT NULL ,
  [copy_type] [binary] (1) ,
  [copy_serial] [binary] (4) ,
  [copy_item] [binary] (16) ,
  [copy_date] [datetime] NOT NULL
) ON [PRIMARY]
GO
 
  ALTER TABLE [dbo].[AllItemsLog] ADD
  CONSTRAINT [DF_CT_ITEM_item] DEFAULT (0) FOR [items_type],
  CONSTRAINT [DF_CT_ITEM_itemid] DEFAULT (0) FOR [items_serial],
  CONSTRAINT [DF_CT_ITEM_itemrole] DEFAULT ('') FOR [items_acid]
GO
 
  CREATE INDEX [IX_CT_ITEM] ON [dbo].[AllItemsLog]([items_type], [items_serial]) ON [PRIMARY]
GO
 
  ALTER TABLE [dbo].[CopyLog] ADD
  CONSTRAINT [DF_CopyLog_copy_date] DEFAULT (getdate()) FOR [copy_date]
GO
 
  SET QUOTED_IDENTIFIER ON
GO

  SET ANSI_NULLS ON
GO
  CREATE TRIGGER [dbo].[trg_CheckSameID] ON [dbo].[character]
  FOR UPDATE
  AS
  BEGIN
      IF UPDATE(inventory)
      BEGIN
        SET NOCOUNT ON
        DECLARE
        @wh_acid varchar(10),
        @wh_data binary(1920),
        @wh_type binary(1),
        @wh_serial binary(4),
        @wh_item binary(16),
        @cr_user varchar(10),
        @cr_acid varchar(10),
        @cr_char varchar(15),
        @cr_data binary(760),
        @cr_type binary(1),
        @cr_serial binary(4),
        @cr_item binary(16),
        @al_acid varchar(10),
        @j int,
        @ok int,
        @warehouse_length int,
        @find bit

        -- Selecting information about inserted object
        SELECT @cr_acid=i.accountid, @cr_data=i.inventory ,@cr_char=i.name FROM inserted i

        -- Length of the warehouse in binary
        SET @warehouse_length=1920
     
        SET @j=0
        SET @find=0
        WHILE @j<76 AND @cr_data IS NOT NULL
        BEGIN
            SET @cr_type=SUBSTRING(@cr_data,@j*16+1,1)
            SET @cr_serial=SUBSTRING(@cr_data,@j*16+4,4)
            SET @cr_item=SUBSTRING(@cr_data,@j*16+1,16)
            IF @cr_type<>0xFF AND @cr_serial<>0x00000000
            BEGIN
              SELECT @al_acid=items_acid FROM allitemslog WHERE items_type=@cr_type AND items_serial=@cr_serial
              IF @al_acid IS NULL
                  INSERT INTO allitemslog (items_type,items_serial,items_acid) VALUES (@cr_type,@cr_serial,@cr_acid)
              ELSE
              BEGIN
                  UPDATE allitemslog SET items_acid=@cr_acid WHERE items_type=@cr_type AND items_serial=@cr_serial

                  SELECT @wh_data=items FROM warehouse WHERE accountid=@al_acid
                  SET @ok=0
                  WHILE @ok<120 AND @wh_data IS NOT NULL
                  BEGIN
                    SET @wh_type=SUBSTRING(@wh_data,@ok*16+1,1)
                    SET @wh_serial=SUBSTRING(@wh_data,@ok*16+4,4)
                    SET @wh_item=SUBSTRING(@wh_data,@ok*16+1,16)
                    IF @wh_type=@cr_type AND @wh_serial=@cr_serial
                    BEGIN
                        SET @find=1
                        -- Insert dupe record in to the log (item with serial)
                        INSERT INTO copylog (copy_type,copy_serial,copy_item,copy_acid,copy_name,copy_date) VALUES (@cr_type,@cr_serial,@cr_item,@al_acid,@cr_char,getdate())
                        SET @wh_data=SUBSTRING(@wh_data,1,@ok*16)+0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF+SUBSTRING(@wh_data,((@ok+1)*16+1),@warehouse_length-(((@ok+1)*16)))
                     
                        -- Update warehouse, delete dupe
                        UPDATE warehouse SET items=@wh_data where accountid=@al_acid
                    END
                    SET @ok=@ok+1
                  END
              END
            END
            SET @j=@j+1
        END
     
        IF @find=1
        BEGIN
            -- This is where u can add more punishment like ban or lock characters

            -- Block character that has dupes on him [if you feel like it]
            --UPDATE Character SET CtlCode=1 WHERE name=@cr_char
            -- Do not block the character
            UPDATE Character SET CtlCode=0 WHERE name=@cr_char
        END
        SET NOCOUNT OFF
      END
  END
GO

  SET QUOTED_IDENTIFIER OFF
GO
 
  SET ANSI_NULLS ON
GO