--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/network/network_data.h	Wed Jan 03 08:32:17 2007 +0000
@@ -0,0 +1,167 @@
+/* $Id$ */
+
+#ifndef NETWORK_DATA_H
+#define NETWORK_DATA_H
+
+// Is the network enabled?
+#ifdef ENABLE_NETWORK
+
+#include "../openttd.h"
+#include "network.h"
+#include "core/os_abstraction.h"
+#include "core/config.h"
+#include "core/packet.h"
+
+#define MAX_TEXT_MSG_LEN 1024 /* long long long long sentences :-) */
+
+// The client-info-server-index is always 1
+#define NETWORK_SERVER_INDEX 1
+#define NETWORK_EMPTY_INDEX 0
+
+typedef struct CommandPacket {
+	struct CommandPacket *next;
+	PlayerID player; /// player that is executing the command
+	uint32 cmd;    /// command being executed
+	uint32 p1;     /// parameter p1
+	uint32 p2;     /// parameter p2
+	TileIndex tile; /// tile command being executed on
+	char text[80];
+	uint32 frame;  /// the frame in which this packet is executed
+	byte callback; /// any callback function executed upon successful completion of the command
+} CommandPacket;
+
+typedef enum {
+	STATUS_INACTIVE,
+	STATUS_AUTH, // This means that the client is authorized
+	STATUS_MAP_WAIT, // This means that the client is put on hold because someone else is getting the map
+	STATUS_MAP,
+	STATUS_DONE_MAP,
+	STATUS_PRE_ACTIVE,
+	STATUS_ACTIVE,
+} ClientStatus;
+
+typedef enum {
+	MAP_PACKET_START,
+	MAP_PACKET_NORMAL,
+	MAP_PACKET_END,
+} MapPacket;
+
+typedef enum {
+	NETWORK_RECV_STATUS_OKAY,
+	NETWORK_RECV_STATUS_DESYNC,
+	NETWORK_RECV_STATUS_SAVEGAME,
+	NETWORK_RECV_STATUS_CONN_LOST,
+	NETWORK_RECV_STATUS_MALFORMED_PACKET,
+	NETWORK_RECV_STATUS_SERVER_ERROR, // The server told us we made an error
+	NETWORK_RECV_STATUS_SERVER_FULL,
+	NETWORK_RECV_STATUS_SERVER_BANNED,
+	NETWORK_RECV_STATUS_CLOSE_QUERY, // Done quering the server
+} NetworkRecvStatus;
+
+typedef enum {
+	NETWORK_ERROR_GENERAL, // Try to use thisone like never
+
+	// Signals from clients
+	NETWORK_ERROR_DESYNC,
+	NETWORK_ERROR_SAVEGAME_FAILED,
+	NETWORK_ERROR_CONNECTION_LOST,
+	NETWORK_ERROR_ILLEGAL_PACKET,
+
+	// Signals from servers
+	NETWORK_ERROR_NOT_AUTHORIZED,
+	NETWORK_ERROR_NOT_EXPECTED,
+	NETWORK_ERROR_WRONG_REVISION,
+	NETWORK_ERROR_NAME_IN_USE,
+	NETWORK_ERROR_WRONG_PASSWORD,
+	NETWORK_ERROR_PLAYER_MISMATCH, // Happens in CLIENT_COMMAND
+	NETWORK_ERROR_KICKED,
+	NETWORK_ERROR_CHEATER,
+	NETWORK_ERROR_FULL,
+} NetworkErrorCode;
+
+// Actions that can be used for NetworkTextMessage
+typedef enum {
+	NETWORK_ACTION_JOIN,
+	NETWORK_ACTION_LEAVE,
+	NETWORK_ACTION_SERVER_MESSAGE,
+	NETWORK_ACTION_CHAT,
+	NETWORK_ACTION_CHAT_COMPANY,
+	NETWORK_ACTION_CHAT_CLIENT,
+	NETWORK_ACTION_GIVE_MONEY,
+	NETWORK_ACTION_NAME_CHANGE,
+} NetworkAction;
+
+typedef enum {
+	NETWORK_GAME_PASSWORD,
+	NETWORK_COMPANY_PASSWORD,
+} NetworkPasswordType;
+
+// To keep the clients all together
+struct NetworkClientState { // Typedeffed in network_core/packet.h
+	SOCKET socket;
+	uint16 index;
+	uint32 last_frame;
+	uint32 last_frame_server;
+	byte lag_test; // This byte is used for lag-testing the client
+
+	ClientStatus status;
+	bool writable; // is client ready to write to?
+	bool has_quit;
+
+	Packet *packet_queue; // Packets that are awaiting delivery
+	Packet *packet_recv; // Partially received packet
+
+	CommandPacket *command_queue; // The command-queue awaiting delivery
+};
+
+typedef enum {
+	DESTTYPE_BROADCAST, ///< Send message/notice to all players (All)
+	DESTTYPE_TEAM,    ///< Send message/notice to everyone playing the same company (Team)
+	DESTTYPE_CLIENT,    ///< Send message/notice to only a certain player (Private)
+} DestType;
+
+CommandPacket *_local_command_queue;
+
+SOCKET _udp_client_socket; // udp client socket
+SOCKET _udp_server_socket; // udp server socket
+SOCKET _udp_master_socket; // udp master socket
+
+// Here we keep track of the clients
+//  (and the client uses [0] for his own communication)
+NetworkClientState _clients[MAX_CLIENTS];
+#define DEREF_CLIENT(i) (&_clients[i])
+// This returns the NetworkClientInfo from a NetworkClientState
+#define DEREF_CLIENT_INFO(cs) (&_network_client_info[cs - _clients])
+
+// Macros to make life a bit more easier
+#define DEF_CLIENT_RECEIVE_COMMAND(type) NetworkRecvStatus NetworkPacketReceive_ ## type ## _command(Packet *p)
+#define DEF_CLIENT_SEND_COMMAND(type) void NetworkPacketSend_ ## type ## _command(void)
+#define DEF_CLIENT_SEND_COMMAND_PARAM(type) void NetworkPacketSend_ ## type ## _command
+#define DEF_SERVER_RECEIVE_COMMAND(type) void NetworkPacketReceive_ ## type ## _command(NetworkClientState *cs, Packet *p)
+#define DEF_SERVER_SEND_COMMAND(type) void NetworkPacketSend_ ## type ## _command(NetworkClientState *cs)
+#define DEF_SERVER_SEND_COMMAND_PARAM(type) void NetworkPacketSend_ ## type ## _command
+
+#define SEND_COMMAND(type) NetworkPacketSend_ ## type ## _command
+#define RECEIVE_COMMAND(type) NetworkPacketReceive_ ## type ## _command
+
+#define FOR_ALL_CLIENTS(cs) for (cs = _clients; cs != endof(_clients) && cs->socket != INVALID_SOCKET; cs++)
+#define FOR_ALL_ACTIVE_CLIENT_INFOS(ci) for (ci = _network_client_info; ci != endof(_network_client_info); ci++) if (ci->client_index != NETWORK_EMPTY_INDEX)
+
+void NetworkExecuteCommand(CommandPacket *cp);
+void NetworkAddCommandQueue(NetworkClientState *cs, CommandPacket *cp);
+
+// from network.c
+void NetworkCloseClient(NetworkClientState *cs);
+void CDECL NetworkTextMessage(NetworkAction action, uint16 color, bool self_send, const char *name, const char *str, ...);
+void NetworkGetClientName(char *clientname, size_t size, const NetworkClientState *cs);
+uint NetworkCalculateLag(const NetworkClientState *cs);
+byte NetworkGetCurrentLanguageIndex(void);
+NetworkClientInfo *NetworkFindClientInfoFromIndex(uint16 client_index);
+NetworkClientInfo *NetworkFindClientInfoFromIP(const char *ip);
+NetworkClientState *NetworkFindClientStateFromIndex(uint16 client_index);
+unsigned long NetworkResolveHost(const char *hostname);
+char* GetNetworkErrorMsg(char* buf, NetworkErrorCode err, const char* last);
+
+#endif /* ENABLE_NETWORK */
+
+#endif /* NETWORK_DATA_H */