Cyd
2b8ca921cb
Complete disaster-recovery snapshot: engine/game source, game data assets, VC6 toolchain + DX SDKs, build outputs, deployed game, and _UNUSED archive. Large binaries in Git LFS; text preserved byte-for-byte (core.autocrlf=false, no eol attributes). See RECOVERY.md for the one-clone rebuild procedure.
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
#ifndef __brloader_packet_h
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#define __brloader_packet_h
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#include <assert.h>
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#define PACKET_ADDRESS_MAX 16
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struct PACKET_BUFFER;
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typedef void (*PACKET_COMPLETION_FUNC) (struct PACKET_BUFFER *, DWORD);
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#define PACKET_COMPLETE_SUCCESS 0x0000
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#define PACKET_COMPLETE_FAILURE 0x0001 // unspecified error
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#define PACKET_COMPLETE_OVERFLOW 0x0002
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#define PACKET_COMPLETE_NO_ROUTE 0x0003
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typedef struct PACKET_BUFFER {
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LPBYTE Data; // storage for packet data
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DWORD Start; // where the data begins
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DWORD End; // where the data ends
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DWORD Max; // the physical length of Data
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DWORD Context;
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// I hate to put this here, but I hate to put it elsewhere even more.
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WORD Protocol;
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WORD AddressLength;
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BYTE Address [PACKET_ADDRESS_MAX];
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PACKET_COMPLETION_FUNC CompletionFunc;
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} PACKET_BUFFER;
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// this is the protocol argument for msbdnOutputSendPacket
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#define PACKET_BUFFER_PROTOCOL_IP 0x0000
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#define PACKET_BUFFER_PROTOCOL_VBI_RAW 0x0001
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#define PACKET_BUFFER_PROTOCOL_DSS_ARP 0x0002
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#define PACKET_BUFFER_PROTOCOL_DSS_RAW 0x0003
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#define PACKET_BUFFER_PROTOCOL_DSS_MPT 0x0004
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// PACKET_BUFFER_PROTOCOL_IP
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// packet body is a full IP packet, including header and body
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// IP address should be extracted from the message body
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// address field is not used
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// PACKET_BUFFER_PROTOCOL_DSS_RAW
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// the address field is not used
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// the packet length must be 130 bytes.
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// the packet is a standard DSS frame: 3 bytes of header
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// and 127 bytes of payload
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// PACKET_BUFFER_PROTOCOL_DSS_MPT
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// the address field may or may not be specified
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// the address field is the sub-SCID ID
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// if the address is not specified, the output driver should build the
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// sub-SCID like an Ethernet MAC address. this only works for multicast packets,
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// which have a fixed, deterministic IP address to MAC address mapping.
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// if the address field exists (length is not zero), then the
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// address length must be 6 and the address must contain an MPT sub-SCID ID.
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static __inline void PacketBufferComplete (PACKET_BUFFER * packet, DWORD status) {
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assert (packet);
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if (packet -> CompletionFunc)
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(*packet -> CompletionFunc) (packet, status);
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}
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#endif // __brloader_packet_h
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