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