- hooked up ZDoom's i_net.cpp to compile within the project.

Note about the license: This file was available from GZDoom 2.4.x under the Doom source license which is compatible with Build.
This isn't used yet.

source/common/engine/i_interface.h

@@ -18,6 +18,7 @@ struct SystemCallbacks
 	IntRect(*GetSceneRect)();
 	FString(*GetLocationDescription)();
 	void (*MenuDim)();
+	FString(*GetPlayerName)(int i);
 };
 
 extern SystemCallbacks *sysCallbacks;

source/common/engine/i_net.h

@@ -0,0 +1,84 @@
+#ifndef __I_NET_H__
+#define __I_NET_H__
+
+#include <stdint.h>
+
+// Called by D_DoomMain.
+int I_InitNetwork (void);
+void I_NetCmd (void);
+
+enum ENetConstants
+{
+	MAXNETNODES = 8,	// max computers in a game 
+	DOOMCOM_ID = 0x12345678,
+	BACKUPTICS = 36,	// number of tics to remember
+	MAXTICDUP = 5,
+	LOCALCMDTICS =(BACKUPTICS*MAXTICDUP),
+	MAX_MSGLEN = 14000,
+
+	CMD_SEND = 1,
+	CMD_GET = 2,
+};
+
+// [RH]
+// New generic packet structure:
+//
+// Header:
+//  One byte with following flags.
+//  One byte with starttic
+//  One byte with master's maketic (master -> slave only!)
+//  If NCMD_RETRANSMIT set, one byte with retransmitfrom
+//  If NCMD_XTICS set, one byte with number of tics (minus 3, so theoretically up to 258 tics in one packet)
+//  If NCMD_QUITTERS, one byte with number of players followed by one byte with each player's consolenum
+//  If NCMD_MULTI, one byte with number of players followed by one byte with each player's consolenum
+//     - The first player's consolenum is not included in this list, because it always matches the sender
+//
+// For each tic:
+//  Two bytes with consistancy check, followed by tic data
+//
+// Setup packets are different, and are described just before D_ArbitrateNetStart().
+
+enum ENCMD
+{
+	NCMD_EXIT				= 0x80,
+	NCMD_RETRANSMIT 		= 0x40,
+	NCMD_SETUP				= 0x20,
+	NCMD_MULTI				= 0x10,		// multiple players in this packet
+	NCMD_QUITTERS			= 0x08,		// one or more players just quit (packet server only)
+	NCMD_COMPRESSED			= 0x04,		// remainder of packet is compressed
+
+	NCMD_XTICS				= 0x03,		// packet contains >2 tics
+	NCMD_2TICS				= 0x02,		// packet contains 2 tics
+	NCMD_1TICS				= 0x01,		// packet contains 1 tic
+	NCMD_0TICS				= 0x00,		// packet contains 0 tics
+};
+
+//
+// Network packet data.
+//
+struct doomcom_t
+{
+	uint32_t	id;				// should be DOOMCOM_ID
+	int16_t	intnum;			// DOOM executes an int to execute commands
+
+// communication between DOOM and the driver
+	int16_t	command;		// CMD_SEND or CMD_GET
+	int16_t	remotenode;		// dest for send, set by get (-1 = no packet).
+	int16_t	datalength;		// bytes in data to be sent
+
+// info common to all nodes
+	int16_t	numnodes;		// console is always node 0.
+	int16_t	ticdup;			// 1 = no duplication, 2-5 = dup for slow nets
+
+// info specific to this node
+	int16_t	consoleplayer;
+	int16_t	numplayers;
+
+// packet data to be sent
+	uint8_t	data[MAX_MSGLEN];
+	
+}; 
+
+extern doomcom_t doomcom;
+
+#endif