Initial Source Code commit
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
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REDALERT/IPX.H
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REDALERT/IPX.H
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//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/* $Header: /CounterStrike/IPX.H 1 3/03/97 10:24a Joe_bostic $ */
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/***************************************************************************
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** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S **
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***************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* File Name : IPX.H *
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* *
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* Programmer : Barry Nance *
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* from Client/Server LAN Programming *
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* Westwood-ized by Bill Randolph *
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* *
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* Start Date : December 14, 1994 *
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* *
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* Last Update : December 14, 1994 [BR] *
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* *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef IPX_H
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#define IPX_H
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/*
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******************************** Structures *********************************
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*/
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typedef unsigned char NetNumType[4];
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typedef unsigned char NetNodeType[6];
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typedef char UserID[48];
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/*---------------------------------------------------------------------------
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This is the IPX Packet structure. It's followed by the data itself, which
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can be up to 546 bytes long. Annotation of 'IPX' means IPX will set this
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field; annotation of 'APP' means the application must set the field.
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NOTE: All header fields are ordered high-byte,low-byte.
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---------------------------------------------------------------------------*/
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typedef struct IPXHEADER {
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unsigned short CheckSum; // IPX: Not used; always 0xffff
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unsigned short Length; // IPX: Total size, incl header & data
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unsigned char TransportControl; // IPX: # bridges message crossed
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unsigned char PacketType; // APP: Set to 4 for IPX (5 for SPX)
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unsigned char DestNetworkNumber[4]; // APP: destination Network Number
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unsigned char DestNetworkNode[6]; // APP: destination Node Address
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unsigned short DestNetworkSocket; // APP: destination Socket Number
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unsigned char SourceNetworkNumber[4]; // IPX: source Network Number
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unsigned char SourceNetworkNode[6]; // IPX: source Node Address
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unsigned short SourceNetworkSocket; // IPX: source Socket Number
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} IPXHeaderType;
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/*---------------------------------------------------------------------------
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This is the IPX Event Control Block. It serves as a communications area
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between IPX and the application for a single IPX operation. You should set
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up a separate ECB for each IPX operation you perform.
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---------------------------------------------------------------------------*/
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typedef struct ECB {
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void *Link_Address;
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void (*Event_Service_Routine)(void); // APP: event handler (NULL=none)
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unsigned char InUse; // IPX: 0 = event complete
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unsigned char CompletionCode; // IPX: event's return code
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unsigned short SocketNumber; // APP: socket to send data through
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unsigned short ConnectionID; // returned by Listen (???)
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unsigned short RestOfWorkspace;
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unsigned char DriverWorkspace[12];
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unsigned char ImmediateAddress[6]; // returned by Get_Local_Target
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unsigned short PacketCount;
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struct {
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void *Address;
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unsigned short Length;
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} Packet[2];
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} ECBType;
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/*---------------------------------------------------------------------------
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This structure is used for calling DPMI function 0x300, Call-Real-Mode-
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Interrupt. It passes register values to & from the interrupt handler.
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---------------------------------------------------------------------------*/
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typedef struct {
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long edi;
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long esi;
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long ebp;
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long Reserved;
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long ebx;
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long edx;
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long ecx;
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long eax;
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short Flags;
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short es;
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short ds;
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short fs;
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short gs;
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short ip;
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short cs;
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short sp;
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short ss;
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} RMIType;
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/*
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********************************** Defines **********************************
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*/
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/*---------------------------------------------------------------------------
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These defines are for the IPX functions. The function number is specified
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by placing it in BX when IPX is called. There are two ways to invoke IPX:
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use interrupt 0x7a, or use a function whose address is obtained by calling
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interrupt 0x2f with AX=0x7a00; the function address is returned in ES:DI.
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This is the preferred method, since other apps are known to use int 0x7a.
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---------------------------------------------------------------------------*/
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#define IPX_OPEN_SOCKET 0x0000
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#define IPX_CLOSE_SOCKET 0x0001
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#define IPX_GET_LOCAL_TARGET 0x0002
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#define IPX_SEND_PACKET 0x0003
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#define IPX_LISTEN_FOR_PACKET 0x0004
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#define IPX_SCHEDULE_EVENT 0x0005
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#define IPX_CANCEL_EVENT 0x0006
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#define IPX_GET_INTERVAL_MARKER 0x0008
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#define IPX_GET_INTERNETWORK_ADDRESS 0x0009
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#define IPX_RELINQUISH_CONTROL 0x000A
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#define IPX_DISCONNECT_FROM_TARGET 0x000B
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/*---------------------------------------------------------------------------
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These defines are for various IPX error codes:
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---------------------------------------------------------------------------*/
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#define IPXERR_CONNECTION_SEVERED 0x00ec
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#define IPXERR_CONNECTION_FAILED 0x00ed
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#define IPXERR_NO_CONNECTION 0x00ee
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#define IPXERR_CONNECTION_TABLE_FULL 0x00ef
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#define IPXERR_NO_CANCEL_ECB 0x00f9
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#define IPXERR_NO_PATH 0x00fa
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#define IPXERR_ECB_INACTIVE 0x00fc
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#define IPXERR_INVALID_PACKET_LENGTH 0x00fd
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#define IPXERR_SOCKET_TABLE_FULL 0x00fe
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#define IPXERR_SOCKET_ERROR 0x00ff
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/*---------------------------------------------------------------------------
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These defines are for various interrupt vectors and DPMI functions:
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---------------------------------------------------------------------------*/
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#define IPX_INT 0x007a
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#define DPMI_INT 0x0031
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#define DPMI_ALLOC_DOS_MEM 0x0100
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#define DPMI_FREE_DOS_MEM 0x0101
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#define DPMI_CALL_REAL_INT 0x0300
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#define DPMI_LOCK_MEM 0x0600
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#define DPMI_UNLOCK_MEM 0x0601
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/*
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******************************** Prototypes *********************************
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*/
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/*---------------------------------------------------------------------------
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NOTE: All routines return 0 for a success code and one of the above IPX
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error codes if there's an error, EXCEPT:
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- IPX_SPX_Installed (0 = not installed)
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- Get_Connection_Number / Get_1st_Connection_Number (0 = no connection)
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---------------------------------------------------------------------------*/
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/*
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.................................. ipx.cpp ..................................
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*/
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int IPX_SPX_Installed(void);
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int IPX_Open_Socket(unsigned short socket);
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int IPX_Close_Socket(unsigned short socket);
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int IPX_Get_Connection_Number(void);
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int IPX_Get_1st_Connection_Num (char *username);
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int IPX_Get_Internet_Address(int connection_number,
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unsigned char *network_number, unsigned char *physical_node);
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int IPX_Get_User_ID(int connection_number, char *user_id);
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int IPX_Listen_For_Packet(struct ECB *ecb_ptr);
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void IPX_Send_Packet(struct ECB *ecb_ptr);
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int IPX_Get_Local_Target(unsigned char *dest_network, unsigned char *dest_node,
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unsigned short dest_socket, unsigned char *bridge_address);
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int IPX_Cancel_Event(struct ECB *ecb_ptr);
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void Let_IPX_Breath(void);
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#endif
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/***************************** end of ipx.h ********************************/
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