115 lines
4.9 KiB
C
115 lines
4.9 KiB
C
/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Header for netmisc.c
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*
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*/
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#ifndef _NETMISC_H
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#define _NETMISC_H
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#include "multi.h"
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#include "network.h"
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// Returns a checksum of a block of memory.
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extern ushort netmisc_calc_checksum(void *vptr, int len);
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// Finds the difference between block1 and block2. Fills in
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// diff_buffer and returns the size of diff_buffer.
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extern int netmisc_find_diff(void *block1, void *block2, int block_size, void *diff_buffer);
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// Applies diff_buffer to block1 to create a new block1. Returns the
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// final size of block1.
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extern int netmisc_apply_diff(void *block1, void *diff_buffer, int diff_size);
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#ifdef WORDS_BIGENDIAN
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// some mac only routines to deal with incorrectly aligned network structures
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void receive_netplayer_info(ubyte *data, AllNetPlayers_info *info);
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void receive_netplayers_packet(ubyte *data, AllNetPlayers_info *pinfo);
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void send_netplayers_packet(ubyte *server, ubyte *node);
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#define send_broadcast_netplayers_packet() \
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send_netplayers_packet(NULL, NULL)
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void send_sequence_packet(sequence_packet seq, ubyte *server, ubyte *node, ubyte *net_address);
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#define send_internetwork_sequence_packet(seq, server, node) \
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send_sequence_packet(seq, server, node, NULL)
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#define send_broadcast_sequence_packet(seq) \
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send_sequence_packet(seq, NULL, NULL, NULL)
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void receive_sequence_packet(ubyte *data, sequence_packet *seq);
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void send_netgame_packet(ubyte *server, ubyte *node, ubyte *net_address, int lite_flag);
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#define send_full_netgame_packet(server, node, net_address) \
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send_netgame_packet(server, node, net_address, 0)
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#define send_lite_netgame_packet(server, node, net_address) \
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send_netgame_packet(server, node, net_address, 1)
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#define send_internetwork_full_netgame_packet(server, node) \
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send_netgame_packet(server, node, NULL, 0)
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#define send_internetwork_lite_netgame_packet(server, node, extended) \
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send_netgame_packet(server, node, NULL, !extended)
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#define send_broadcast_full_netgame_packet() \
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send_netgame_packet(NULL, NULL, NULL, 0)
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#define send_broadcast_lite_netgame_packet() \
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send_netgame_packet(NULL, NULL, NULL, 1)
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void receive_netgame_packet(ubyte *data, netgame_info *netgame, int lite_flag);
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#define receive_full_netgame_packet(data, netgame) \
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receive_netgame_packet(data, netgame, 0)
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#define receive_lite_netgame_packet(data, netgame) \
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receive_netgame_packet(data, netgame, 1)
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void swap_object(object *obj);
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#else
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#define receive_netplayers_packet(data, pinfo) \
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memcpy(pinfo, data, sizeof(AllNetPlayers_info))
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#define send_netplayers_packet(server, node) \
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NetDrvSendInternetworkPacketData((ubyte *)&NetPlayers, sizeof(AllNetPlayers_info), server, node)
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#define send_broadcast_netplayers_packet() \
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NetDrvSendBroadcastPacketData((ubyte *)&NetPlayers, sizeof(AllNetPlayers_info))
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#define send_sequence_packet(seq, server, node, net_address) \
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NetDrvSendPacketData((ubyte *)&seq, sizeof(sequence_packet), server, node, net_address)
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#define send_internetwork_sequence_packet(seq, server, node) \
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NetDrvSendInternetworkPacketData((ubyte *)&seq, sizeof(sequence_packet), server, node)
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#define send_broadcast_sequence_packet(seq) \
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NetDrvSendBroadcastPacketData((ubyte *)&seq, sizeof(sequence_packet))
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#define send_full_netgame_packet(server, node, net_address) \
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NetDrvSendPacketData((ubyte *)&Netgame, sizeof(netgame_info), server, node, net_address)
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#define send_lite_netgame_packet(server, node, net_address) \
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NetDrvSendPacketData((ubyte *)&Netgame, sizeof(lite_info), server, node, net_address)
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#define send_internetwork_full_netgame_packet(server, node) \
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NetDrvSendInternetworkPacketData((ubyte *)&Netgame, sizeof(netgame_info), server, node)
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#define send_internetwork_lite_netgame_packet(server, node, extended) \
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NetDrvSendInternetworkPacketData((ubyte *)&Netgame, (extended?sizeof(netgame_info):sizeof(lite_info)), server, node)
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#define send_broadcast_full_netgame_packet() \
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NetDrvSendBroadcastPacketData((ubyte *)&Netgame, sizeof(netgame_info))
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#define send_broadcast_lite_netgame_packet() \
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NetDrvSendBroadcastPacketData((ubyte *)&Netgame, sizeof(lite_info))
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#define receive_full_netgame_packet(data, netgame) \
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memcpy((ubyte *)(netgame), data, sizeof(netgame_info))
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#define receive_lite_netgame_packet(data, netgame) \
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memcpy((ubyte *)(netgame), data, sizeof(lite_info))
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#define swap_object(obj)
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#endif
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#endif /* _NETMISC_H */
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