tron@2186: /* $Id$ */
tron@2186: 
Darkvater@4826: #ifdef ENABLE_NETWORK
Darkvater@4826: 
truelight@543: #include "stdafx.h"
tron@1299: #include "debug.h"
tron@1317: #include "string.h"
tron@1309: #include "strings.h"
truelight@543: #include "network_data.h"
rubidium@4261: #include "date.h"
truelight@543: #include "table/strings.h"
tron@2163: #include "functions.h"
truelight@543: #include "network_client.h"
truelight@543: #include "network_gamelist.h"
tron@4512: #include "network_gui.h"
tron@2162: #include "saveload.h"
truelight@543: #include "command.h"
truelight@543: #include "window.h"
truelight@1026: #include "console.h"
tron@2159: #include "variables.h"
truelight@2684: #include "ai/ai.h"
truelight@543: 
truelight@543: 
truelight@543: // This file handles all the client-commands
truelight@543: 
truelight@543: 
truelight@543: // So we don't make too much typos ;)
truelight@543: #define MY_CLIENT DEREF_CLIENT(0)
truelight@543: 
truelight@543: static uint32 last_ack_frame;
truelight@543: 
truelight@543: // **********
truelight@543: // Sending functions
truelight@543: //   DEF_CLIENT_SEND_COMMAND has no parameters
truelight@543: // **********
truelight@543: 
truelight@543: DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_COMPANY_INFO)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: CLIENT_COMPANY_INFO
truelight@543: 	// Function: Request company-info (in detail)
truelight@543: 	// Data:
truelight@543: 	//    <none>
truelight@543: 	//
truelight@543: 	Packet *p;
truelight@543: 	_network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
truelight@543: 	InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 
truelight@543: 	p = NetworkSend_Init(PACKET_CLIENT_COMPANY_INFO);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_JOIN)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: CLIENT_JOIN
truelight@543: 	// Function: Try to join the server
truelight@543: 	// Data:
truelight@543: 	//    String: OpenTTD Revision (norev000 if no revision)
truelight@543: 	//    String: Player Name (max NETWORK_NAME_LENGTH)
truelight@543: 	//    uint8:  Play as Player id (1..MAX_PLAYERS)
truelight@543: 	//    uint8:  Language ID
truelight@602: 	//    String: Unique id to find the player back in server-listing
truelight@543: 	//
truelight@543: 
Darkvater@4840: 	extern const char _openttd_revision[];
truelight@543: 	Packet *p;
truelight@543: 	_network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
truelight@543: 	InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 
truelight@543: 	p = NetworkSend_Init(PACKET_CLIENT_JOIN);
truelight@543: 	NetworkSend_string(p, _openttd_revision);
truelight@543: 	NetworkSend_string(p, _network_player_name); // Player name
truelight@662: 	NetworkSend_uint8(p, _network_playas); // PlayAs
truelight@543: 	NetworkSend_uint8(p, NETLANG_ANY); // Language
truelight@602: 	NetworkSend_string(p, _network_unique_id);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_PASSWORD)(NetworkPasswordType type, const char *password)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: CLIENT_PASSWORD
truelight@543: 	// Function: Send a password to the server to authorize
truelight@543: 	// Data:
truelight@543: 	//    uint8:  NetworkPasswordType
truelight@543: 	//    String: Password
truelight@543: 	//
truelight@543: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_PASSWORD);
truelight@543: 	NetworkSend_uint8(p, type);
truelight@543: 	NetworkSend_string(p, password);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_GETMAP)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: CLIENT_GETMAP
truelight@543: 	// Function: Request the map from the server
truelight@543: 	// Data:
truelight@543: 	//    <none>
truelight@543: 	//
truelight@543: 
truelight@543: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_GETMAP);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_MAP_OK)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: CLIENT_MAP_OK
truelight@543: 	// Function: Tell the server that we are done receiving/loading the map
truelight@543: 	// Data:
truelight@543: 	//    <none>
truelight@543: 	//
truelight@543: 
truelight@543: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_MAP_OK);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_ACK)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: CLIENT_ACK
truelight@543: 	// Function: Tell the server we are done with this frame
truelight@543: 	// Data:
truelight@543: 	//    uint32: current FrameCounter of the client
truelight@543: 	//
truelight@543: 
truelight@543: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_ACK);
truelight@543: 
truelight@543: 	NetworkSend_uint32(p, _frame_counter);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: // Send a command packet to the server
truelight@543: DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMMAND)(CommandPacket *cp)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: CLIENT_COMMAND
truelight@543: 	// Function: Send a DoCommand to the Server
truelight@543: 	// Data:
truelight@543: 	//    uint8:  PlayerID (0..MAX_PLAYERS-1)
truelight@543: 	//    uint32: CommandID (see command.h)
truelight@543: 	//    uint32: P1 (free variables used in DoCommand)
truelight@543: 	//    uint32: P2
truelight@543: 	//    uint32: Tile
tron@1820: 	//    string: text
truelight@543: 	//    uint8:  CallBackID (see callback_table.c)
truelight@543: 	//
truelight@543: 
truelight@543: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_COMMAND);
truelight@543: 
truelight@543: 	NetworkSend_uint8(p, cp->player);
truelight@543: 	NetworkSend_uint32(p, cp->cmd);
truelight@543: 	NetworkSend_uint32(p, cp->p1);
truelight@543: 	NetworkSend_uint32(p, cp->p2);
truelight@543: 	NetworkSend_uint32(p, (uint32)cp->tile);
tron@1820: 	NetworkSend_string(p, cp->text);
truelight@543: 	NetworkSend_uint8(p, cp->callback);
truelight@543: 
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: // Send a chat-packet over the network
Darkvater@4906: DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_CHAT)(NetworkAction action, DestType type, int dest, const char *msg)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: CLIENT_CHAT
truelight@543: 	// Function: Send a chat-packet to the serve
truelight@543: 	// Data:
truelight@543: 	//    uint8:  ActionID (see network_data.h, NetworkAction)
truelight@543: 	//    uint8:  Destination Type (see network_data.h, DestType);
truelight@543: 	//    uint8:  Destination Player (1..MAX_PLAYERS)
truelight@543: 	//    String: Message (max MAX_TEXT_MSG_LEN)
truelight@543: 	//
truelight@543: 
truelight@543: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_CHAT);
truelight@543: 
truelight@543: 	NetworkSend_uint8(p, action);
Darkvater@4906: 	NetworkSend_uint8(p, type);
truelight@543: 	NetworkSend_uint8(p, dest);
truelight@543: 	NetworkSend_string(p, msg);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: // Send an error-packet over the network
truelight@543: DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_ERROR)(NetworkErrorCode errorno)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: CLIENT_ERROR
truelight@543: 	// Function: The client made an error and is quiting the game
truelight@543: 	// Data:
truelight@543: 	//    uint8:  ErrorID (see network_data.h, NetworkErrorCode)
truelight@543: 	//
truelight@543: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_ERROR);
truelight@543: 
truelight@543: 	NetworkSend_uint8(p, errorno);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_PASSWORD)(const char *password)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: PACKET_CLIENT_SET_PASSWORD
truelight@543: 	// Function: Set the password for the clients current company
truelight@543: 	// Data:
truelight@543: 	//    String: Password
truelight@543: 	//
truelight@543: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_SET_PASSWORD);
truelight@543: 
truelight@543: 	NetworkSend_string(p, password);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_NAME)(const char *name)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: PACKET_CLIENT_SET_NAME
truelight@543: 	// Function: Gives the player a new name
truelight@543: 	// Data:
truelight@543: 	//    String: Name
truelight@543: 	//
truelight@543: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_SET_NAME);
truelight@543: 
truelight@543: 	NetworkSend_string(p, name);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@543: // Send an quit-packet over the network
truelight@543: DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_QUIT)(const char *leavemsg)
truelight@543: {
truelight@543: 	//
truelight@543: 	// Packet: CLIENT_QUIT
truelight@543: 	// Function: The client is quiting the game
truelight@543: 	// Data:
truelight@543: 	//    String: leave-message
truelight@543: 	//
truelight@543: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_QUIT);
truelight@543: 
truelight@543: 	NetworkSend_string(p, leavemsg);
truelight@543: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@543: }
truelight@543: 
truelight@1026: DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_RCON)(const char *pass, const char *command)
truelight@1026: {
truelight@1026: 	Packet *p = NetworkSend_Init(PACKET_CLIENT_RCON);
truelight@1026: 	NetworkSend_string(p, pass);
truelight@1026: 	NetworkSend_string(p, command);
truelight@1026: 	NetworkSend_Packet(p, MY_CLIENT);
truelight@1026: }
truelight@1026: 
truelight@543: 
truelight@543: // **********
truelight@543: // Receiving functions
truelight@543: //   DEF_CLIENT_RECEIVE_COMMAND has parameter: Packet *p
truelight@543: // **********
truelight@543: 
truelight@543: extern bool SafeSaveOrLoad(const char *filename, int mode, int newgm);
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FULL)
truelight@543: {
truelight@543: 	// We try to join a server which is full
truelight@543: 	_switch_mode_errorstr = STR_NETWORK_ERR_SERVER_FULL;
truelight@543: 	DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_SERVER_FULL;
truelight@543: }
truelight@543: 
truelight@841: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_BANNED)
truelight@841: {
truelight@841: 	// We try to join a server where we are banned
truelight@841: 	_switch_mode_errorstr = STR_NETWORK_ERR_SERVER_BANNED;
truelight@841: 	DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
truelight@841: 
truelight@841: 	return NETWORK_RECV_STATUS_SERVER_BANNED;
truelight@841: }
truelight@841: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO)
truelight@543: {
truelight@543: 	byte company_info_version;
truelight@543: 	int i;
truelight@543: 
truelight@903: 	company_info_version = NetworkRecv_uint8(MY_CLIENT, p);
truelight@543: 
Darkvater@4880: 	if (!MY_CLIENT->has_quit && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
truelight@543: 		byte total;
truelight@543: 		byte current;
truelight@543: 
truelight@903: 		total = NetworkRecv_uint8(MY_CLIENT, p);
truelight@543: 
truelight@543: 		// There is no data at all..
Darkvater@4880: 		if (total == 0) return NETWORK_RECV_STATUS_CLOSE_QUERY;
truelight@543: 
truelight@903: 		current = NetworkRecv_uint8(MY_CLIENT, p);
Darkvater@4880: 		if (!IsValidPlayer(current)) return NETWORK_RECV_STATUS_CLOSE_QUERY;
truelight@543: 
truelight@903: 		NetworkRecv_string(MY_CLIENT, p, _network_player_info[current].company_name, sizeof(_network_player_info[current].company_name));
rubidium@4326: 		_network_player_info[current].inaugurated_year = NetworkRecv_uint32(MY_CLIENT, p);
truelight@903: 		_network_player_info[current].company_value = NetworkRecv_uint64(MY_CLIENT, p);
truelight@903: 		_network_player_info[current].money = NetworkRecv_uint64(MY_CLIENT, p);
truelight@903: 		_network_player_info[current].income = NetworkRecv_uint64(MY_CLIENT, p);
truelight@903: 		_network_player_info[current].performance = NetworkRecv_uint16(MY_CLIENT, p);
truelight@1011: 		_network_player_info[current].use_password = NetworkRecv_uint8(MY_CLIENT, p);
truelight@543: 		for (i = 0; i < NETWORK_VEHICLE_TYPES; i++)
truelight@903: 			_network_player_info[current].num_vehicle[i] = NetworkRecv_uint16(MY_CLIENT, p);
truelight@543: 		for (i = 0; i < NETWORK_STATION_TYPES; i++)
truelight@903: 			_network_player_info[current].num_station[i] = NetworkRecv_uint16(MY_CLIENT, p);
truelight@543: 
truelight@903: 		NetworkRecv_string(MY_CLIENT, p, _network_player_info[current].players, sizeof(_network_player_info[current].players));
truelight@543: 
truelight@543: 		InvalidateWindow(WC_NETWORK_WINDOW, 0);
truelight@543: 
truelight@734: 		return NETWORK_RECV_STATUS_OKAY;
truelight@543: 	}
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_CLOSE_QUERY;
truelight@543: }
truelight@543: 
truelight@543: // This packet contains info about the client (playas and name)
truelight@543: //  as client we save this in NetworkClientInfo, linked via 'index'
truelight@543: //  which is always an unique number on a server.
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
truelight@543: {
truelight@543: 	NetworkClientInfo *ci;
truelight@903: 	uint16 index = NetworkRecv_uint16(MY_CLIENT, p);
Darkvater@3692: 	PlayerID playas = NetworkRecv_uint8(MY_CLIENT, p);
truelight@662: 	char name[NETWORK_NAME_LENGTH];
truelight@662: 	char unique_id[NETWORK_NAME_LENGTH];
truelight@662: 
truelight@903: 	NetworkRecv_string(MY_CLIENT, p, name, sizeof(name));
truelight@903: 	NetworkRecv_string(MY_CLIENT, p, unique_id, sizeof(unique_id));
truelight@903: 
Darkvater@4880: 	if (MY_CLIENT->has_quit) return NETWORK_RECV_STATUS_CONN_LOST;
truelight@662: 
truelight@662: 	/* Do we receive a change of data? Most likely we changed playas */
Darkvater@4880: 	if (index == _network_own_client_index) _network_playas = playas;
truelight@2684: 
truelight@543: 	ci = NetworkFindClientInfoFromIndex(index);
truelight@543: 	if (ci != NULL) {
truelight@543: 		if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
truelight@543: 			// Client name changed, display the change
tron@2373: 			NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, 1, false, ci->client_name, "%s", name);
truelight@543: 		} else if (playas != ci->client_playas) {
truelight@543: 			// The player changed from client-player..
truelight@543: 			// Do not display that for now
truelight@543: 		}
truelight@543: 
truelight@543: 		ci->client_playas = playas;
truelight@543: 		ttd_strlcpy(ci->client_name, name, sizeof(ci->client_name));
truelight@662: 
truelight@722: 		InvalidateWindow(WC_CLIENT_LIST, 0);
truelight@722: 
truelight@543: 		return NETWORK_RECV_STATUS_OKAY;
truelight@543: 	}
truelight@543: 
truelight@543: 	// We don't have this index yet, find an empty index, and put the data there
truelight@543: 	ci = NetworkFindClientInfoFromIndex(NETWORK_EMPTY_INDEX);
truelight@543: 	if (ci != NULL) {
truelight@543: 		ci->client_index = index;
truelight@662: 		ci->client_playas = playas;
truelight@662: 
truelight@662: 		ttd_strlcpy(ci->client_name, name, sizeof(ci->client_name));
truelight@662: 		ttd_strlcpy(ci->unique_id, unique_id, sizeof(ci->unique_id));
truelight@662: 
truelight@722: 		InvalidateWindow(WC_CLIENT_LIST, 0);
truelight@722: 
truelight@543: 		return NETWORK_RECV_STATUS_OKAY;
truelight@543: 	}
truelight@543: 
truelight@543: 	// Here the program should never ever come.....
truelight@543: 	return NETWORK_RECV_STATUS_MALFORMED_PACKET;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
truelight@543: {
truelight@903: 	NetworkErrorCode error = NetworkRecv_uint8(MY_CLIENT, p);
truelight@543: 
Darkvater@2879: 	switch (error) {
Darkvater@2879: 		/* We made an error in the protocol, and our connection is closed.... */
Darkvater@2879: 		case NETWORK_ERROR_NOT_AUTHORIZED:
Darkvater@2879: 		case NETWORK_ERROR_NOT_EXPECTED:
Darkvater@2879: 		case NETWORK_ERROR_PLAYER_MISMATCH:
Darkvater@2879: 			_switch_mode_errorstr = STR_NETWORK_ERR_SERVER_ERROR;
Darkvater@2879: 			break;
Darkvater@2879: 		case NETWORK_ERROR_FULL:
Darkvater@2879: 			_switch_mode_errorstr = STR_NETWORK_ERR_SERVER_FULL;
Darkvater@2879: 			break;
Darkvater@2879: 		case NETWORK_ERROR_WRONG_REVISION:
Darkvater@2879: 			_switch_mode_errorstr = STR_NETWORK_ERR_WRONG_REVISION;
Darkvater@2879: 			break;
Darkvater@2879: 		case NETWORK_ERROR_WRONG_PASSWORD:
Darkvater@2879: 			_switch_mode_errorstr = STR_NETWORK_ERR_WRONG_PASSWORD;
Darkvater@2879: 			break;
Darkvater@2879: 		case NETWORK_ERROR_KICKED:
Darkvater@2879: 			_switch_mode_errorstr = STR_NETWORK_ERR_KICKED;
Darkvater@2879: 			break;
Darkvater@2879: 		case NETWORK_ERROR_CHEATER:
Darkvater@2879: 			_switch_mode_errorstr = STR_NETWORK_ERR_CHEATER;
Darkvater@2879: 			break;
Darkvater@2879: 		default:
Darkvater@2879: 			_switch_mode_errorstr = STR_NETWORK_ERR_LOSTCONNECTION;
truelight@543: 	}
truelight@543: 
truelight@543: 	DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_SERVER_ERROR;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD)
truelight@543: {
tron@4512: 	NetworkPasswordType type = NetworkRecv_uint8(MY_CLIENT, p);
truelight@543: 
tron@4512: 	switch (type) {
tron@4512: 		case NETWORK_GAME_PASSWORD:
tron@4512: 		case NETWORK_COMPANY_PASSWORD:
tron@4512: 			ShowNetworkNeedPassword(type);
tron@4512: 			return NETWORK_RECV_STATUS_OKAY;
tron@4512: 
tron@4512: 		default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
truelight@543: 	}
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
truelight@543: {
truelight@903: 	_network_own_client_index = NetworkRecv_uint16(MY_CLIENT, p);
truelight@543: 
truelight@543: 	// Start receiving the map
truelight@543: 	SEND_COMMAND(PACKET_CLIENT_GETMAP)();
truelight@543: 	return NETWORK_RECV_STATUS_OKAY;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
truelight@543: {
truelight@543: 	_network_join_status = NETWORK_JOIN_STATUS_WAITING;
truelight@903: 	_network_join_waiting = NetworkRecv_uint8(MY_CLIENT, p);
truelight@543: 	InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 
truelight@543: 	// We are put on hold for receiving the map.. we need GUI for this ;)
Darkvater@5568: 	DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
Darkvater@5568: 	DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_OKAY;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
truelight@543: {
truelight@543: 	static char filename[256];
truelight@543: 	static FILE *file_pointer;
truelight@543: 
truelight@543: 	byte maptype;
truelight@543: 
truelight@903: 	maptype = NetworkRecv_uint8(MY_CLIENT, p);
truelight@903: 
Darkvater@4880: 	if (MY_CLIENT->has_quit) return NETWORK_RECV_STATUS_CONN_LOST;
truelight@543: 
truelight@543: 	// First packet, init some stuff
truelight@543: 	if (maptype == MAP_PACKET_START) {
truelight@543: 		// The name for the temp-map
Darkvater@5296: 		snprintf(filename, lengthof(filename), "%s%snetwork_client.tmp",  _paths.autosave_dir, PATHSEP);
truelight@543: 
truelight@543: 		file_pointer = fopen(filename, "wb");
truelight@543: 		if (file_pointer == NULL) {
truelight@543: 			_switch_mode_errorstr = STR_NETWORK_ERR_SAVEGAMEERROR;
truelight@543: 			return NETWORK_RECV_STATUS_SAVEGAME;
truelight@543: 		}
truelight@543: 
truelight@903: 		_frame_counter = _frame_counter_server = _frame_counter_max = NetworkRecv_uint32(MY_CLIENT, p);
truelight@543: 
truelight@543: 		_network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
truelight@543: 		_network_join_kbytes = 0;
truelight@903: 		_network_join_kbytes_total = NetworkRecv_uint32(MY_CLIENT, p) / 1024;
truelight@543: 		InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 
truelight@543: 		// The first packet does not contain any more data
truelight@543: 		return NETWORK_RECV_STATUS_OKAY;
truelight@543: 	}
truelight@543: 
truelight@543: 	if (maptype == MAP_PACKET_NORMAL) {
truelight@543: 		// We are still receiving data, put it to the file
truelight@543: 		fwrite(p->buffer + p->pos, 1, p->size - p->pos, file_pointer);
truelight@543: 
truelight@543: 		_network_join_kbytes = ftell(file_pointer) / 1024;
truelight@543: 		InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 	}
truelight@543: 
truelight@543: 	// Check if this was the last packet
truelight@543: 	if (maptype == MAP_PACKET_END) {
truelight@543: 		fclose(file_pointer);
truelight@543: 
truelight@543: 		_network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
truelight@543: 		InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 
truelight@543: 		// The map is done downloading, load it
truelight@543: 		// Load the map
truelight@543: 		if (!SafeSaveOrLoad(filename, SL_LOAD, GM_NORMAL)) {
truelight@543: 			DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 			_switch_mode_errorstr = STR_NETWORK_ERR_SAVEGAMEERROR;
truelight@543: 			return NETWORK_RECV_STATUS_SAVEGAME;
truelight@543: 		}
Darkvater@1500: 
Darkvater@1500: 		_opt_ptr = &_opt; // during a network game you are always in-game
truelight@543: 
truelight@543: 		// Say we received the map and loaded it correctly!
truelight@543: 		SEND_COMMAND(PACKET_CLIENT_MAP_OK)();
truelight@543: 
Darkvater@4880: 		/* New company/spectator (invalid player) or company we want to join is not active
Darkvater@4880: 		 * Switch local player to spectator and await the server's judgement */
Darkvater@4878: 		if (_network_playas == PLAYER_NEW_COMPANY || !IsValidPlayer(_network_playas) ||
Darkvater@4878: 				!GetPlayer(_network_playas)->is_active) {
truelight@543: 
rubidium@5564: 			SetLocalPlayer(PLAYER_SPECTATOR);
Darkvater@4880: 
Darkvater@4848: 			if (_network_playas == PLAYER_SPECTATOR) {
truelight@543: 				// The client wants to be a spectator..
truelight@670: 				DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 			} else {
Darkvater@1797: 				/* We have arrived and ready to start playing; send a command to make a new player;
Darkvater@1797: 				 * the server will give us a client-id and let us in */
truelight@543: 				NetworkSend_Command(0, 0, 0, CMD_PLAYER_CTRL, NULL);
truelight@543: 			}
truelight@543: 		} else {
truelight@543: 			// take control over an existing company
rubidium@5564: 			SetLocalPlayer(_network_playas);
truelight@684: 			DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
truelight@543: 		}
truelight@543: 	}
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_OKAY;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
truelight@543: {
truelight@903: 	_frame_counter_server = NetworkRecv_uint32(MY_CLIENT, p);
truelight@903: 	_frame_counter_max = NetworkRecv_uint32(MY_CLIENT, p);
truelight@543: #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
truelight@543: 	// Test if the server supports this option
truelight@543: 	//  and if we are at the frame the server is
truelight@543: 	if (p->pos < p->size) {
truelight@543: 		_sync_frame = _frame_counter_server;
truelight@903: 		_sync_seed_1 = NetworkRecv_uint32(MY_CLIENT, p);
truelight@543: #ifdef NETWORK_SEND_DOUBLE_SEED
truelight@903: 		_sync_seed_2 = NetworkRecv_uint32(MY_CLIENT, p);
truelight@543: #endif
truelight@543: 	}
truelight@543: #endif
Darkvater@5568: 	DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
truelight@543: 
truelight@543: 	// Let the server know that we received this frame correctly
truelight@543: 	//  We do this only once per day, to save some bandwidth ;)
truelight@543: 	if (!_network_first_time && last_ack_frame < _frame_counter) {
truelight@543: 		last_ack_frame = _frame_counter + DAY_TICKS;
Darkvater@5568: 		DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
truelight@543: 		SEND_COMMAND(PACKET_CLIENT_ACK)();
truelight@543: 	}
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_OKAY;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
truelight@543: {
truelight@903: 	_sync_frame = NetworkRecv_uint32(MY_CLIENT, p);
truelight@903: 	_sync_seed_1 = NetworkRecv_uint32(MY_CLIENT, p);
truelight@543: #ifdef NETWORK_SEND_DOUBLE_SEED
truelight@903: 	_sync_seed_2 = NetworkRecv_uint32(MY_CLIENT, p);
truelight@543: #endif
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_OKAY;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
truelight@543: {
truelight@543: 	CommandPacket *cp = malloc(sizeof(CommandPacket));
truelight@903: 	cp->player = NetworkRecv_uint8(MY_CLIENT, p);
truelight@903: 	cp->cmd = NetworkRecv_uint32(MY_CLIENT, p);
truelight@903: 	cp->p1 = NetworkRecv_uint32(MY_CLIENT, p);
truelight@903: 	cp->p2 = NetworkRecv_uint32(MY_CLIENT, p);
truelight@903: 	cp->tile = NetworkRecv_uint32(MY_CLIENT, p);
tron@1820: 	NetworkRecv_string(MY_CLIENT, p, cp->text, sizeof(cp->text));
truelight@903: 	cp->callback = NetworkRecv_uint8(MY_CLIENT, p);
truelight@903: 	cp->frame = NetworkRecv_uint32(MY_CLIENT, p);
truelight@543: 	cp->next = NULL;
truelight@543: 
truelight@543: 	// The server did send us this command..
truelight@543: 	//  queue it in our own queue, so we can handle it in the upcoming frame!
truelight@543: 
truelight@543: 	if (_local_command_queue == NULL) {
truelight@543: 		_local_command_queue = cp;
truelight@543: 	} else {
truelight@543: 		// Find last packet
truelight@543: 		CommandPacket *c = _local_command_queue;
truelight@543: 		while (c->next != NULL) c = c->next;
truelight@543: 		c->next = cp;
truelight@543: 	}
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_OKAY;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
truelight@543: {
Darkvater@4946: 	char name[NETWORK_NAME_LENGTH], msg[MAX_TEXT_MSG_LEN];
Darkvater@4880: 	const NetworkClientInfo *ci = NULL, *ci_to;
truelight@543: 
Darkvater@4946: 	NetworkAction action = NetworkRecv_uint8(MY_CLIENT, p);
Darkvater@4946: 	uint16 index = NetworkRecv_uint16(MY_CLIENT, p);
Darkvater@4946: 	bool self_send = NetworkRecv_uint8(MY_CLIENT, p);
truelight@903: 	NetworkRecv_string(MY_CLIENT, p, msg, MAX_TEXT_MSG_LEN);
truelight@543: 
truelight@543: 	ci_to = NetworkFindClientInfoFromIndex(index);
truelight@543: 	if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
truelight@543: 
Darkvater@4946: 	/* Did we initiate the action locally? */
truelight@722: 	if (self_send) {
truelight@722: 		switch (action) {
truelight@722: 			case NETWORK_ACTION_CHAT_CLIENT:
Darkvater@4946: 				/* For speaking to client we need the client-name */
truelight@722: 				snprintf(name, sizeof(name), "%s", ci_to->client_name);
truelight@722: 				ci = NetworkFindClientInfoFromIndex(_network_own_client_index);
truelight@722: 				break;
Darkvater@4945: 
Darkvater@4945: 			/* For speaking to company or giving money, we need the player-name */
truelight@722: 			case NETWORK_ACTION_GIVE_MONEY:
Darkvater@4945: 				if (!IsValidPlayer(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
Darkvater@4945: 				/* fallthrough */
Darkvater@4945: 			case NETWORK_ACTION_CHAT_COMPANY: {
Darkvater@4945: 				StringID str = IsValidPlayer(ci_to->client_playas) ? GetPlayer(ci_to->client_playas)->name_1 : STR_NETWORK_SPECTATORS;
Darkvater@4878: 
Darkvater@4945: 				GetString(name, str, lastof(name));
truelight@722: 				ci = NetworkFindClientInfoFromIndex(_network_own_client_index);
Darkvater@4945: 			} break;
Darkvater@4946: 
Darkvater@4946: 			default: NOT_REACHED(); break;
truelight@722: 		}
truelight@543: 	} else {
truelight@722: 		/* Display message from somebody else */
truelight@602: 		snprintf(name, sizeof(name), "%s", ci_to->client_name);
truelight@543: 		ci = ci_to;
truelight@543: 	}
truelight@543: 
truelight@543: 	if (ci != NULL)
Darkvater@4878: 		NetworkTextMessage(action, GetDrawStringPlayerColor(ci->client_playas), self_send, name, "%s", msg);
truelight@543: 	return NETWORK_RECV_STATUS_OKAY;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
truelight@543: {
truelight@722: 	char str[100];
truelight@543: 	uint16 index;
truelight@543: 	NetworkClientInfo *ci;
truelight@543: 
truelight@903: 	index = NetworkRecv_uint16(MY_CLIENT, p);
Darkvater@4912: 	GetNetworkErrorMsg(str, NetworkRecv_uint8(MY_CLIENT, p), lastof(str));
truelight@543: 
truelight@543: 	ci = NetworkFindClientInfoFromIndex(index);
truelight@543: 	if (ci != NULL) {
tron@2373: 		NetworkTextMessage(NETWORK_ACTION_LEAVE, 1, false, ci->client_name, "%s", str);
truelight@543: 
truelight@543: 		// The client is gone, give the NetworkClientInfo free
truelight@543: 		ci->client_index = NETWORK_EMPTY_INDEX;
truelight@543: 	}
truelight@543: 
truelight@543: 	InvalidateWindow(WC_CLIENT_LIST, 0);
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_OKAY;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
truelight@543: {
truelight@722: 	char str[100];
truelight@543: 	uint16 index;
truelight@543: 	NetworkClientInfo *ci;
truelight@543: 
truelight@903: 	index = NetworkRecv_uint16(MY_CLIENT, p);
tron@2373: 	NetworkRecv_string(MY_CLIENT, p, str, lengthof(str));
truelight@543: 
truelight@543: 	ci = NetworkFindClientInfoFromIndex(index);
truelight@543: 	if (ci != NULL) {
tron@2373: 		NetworkTextMessage(NETWORK_ACTION_LEAVE, 1, false, ci->client_name, "%s", str);
truelight@543: 
truelight@543: 		// The client is gone, give the NetworkClientInfo free
truelight@543: 		ci->client_index = NETWORK_EMPTY_INDEX;
truelight@543: 	} else {
Darkvater@5568: 		DEBUG(net, 0, "Unknown client (%d) is leaving the game", index);
truelight@543: 	}
truelight@543: 
truelight@543: 	InvalidateWindow(WC_CLIENT_LIST, 0);
truelight@543: 
truelight@543: 	// If we come here it means we could not locate the client.. strange :s
truelight@543: 	return NETWORK_RECV_STATUS_OKAY;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
truelight@543: {
truelight@543: 	uint16 index;
truelight@543: 	NetworkClientInfo *ci;
truelight@543: 
truelight@903: 	index = NetworkRecv_uint16(MY_CLIENT, p);
truelight@543: 
truelight@543: 	ci = NetworkFindClientInfoFromIndex(index);
truelight@722: 	if (ci != NULL)
truelight@722: 		NetworkTextMessage(NETWORK_ACTION_JOIN, 1, false, ci->client_name, "");
truelight@543: 
truelight@543: 	InvalidateWindow(WC_CLIENT_LIST, 0);
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_OKAY;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
truelight@543: {
truelight@543: 	_switch_mode_errorstr = STR_NETWORK_SERVER_SHUTDOWN;
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_SERVER_ERROR;
truelight@543: }
truelight@543: 
truelight@543: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
truelight@543: {
truelight@543: 	// To trottle the reconnects a bit, every clients waits
truelight@543: 	//  his _local_player value before reconnecting
Darkvater@4848: 	// PLAYER_SPECTATOR is currently 255, so to avoid long wait periods
truelight@543: 	//  set the max to 10.
truelight@543: 	_network_reconnect = min(_local_player + 1, 10);
truelight@543: 	_switch_mode_errorstr = STR_NETWORK_SERVER_REBOOT;
truelight@543: 
truelight@543: 	return NETWORK_RECV_STATUS_SERVER_ERROR;
truelight@543: }
truelight@543: 
truelight@1026: DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_RCON)
truelight@1026: {
truelight@1026: 	char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
truelight@1026: 	uint16 color_code;
truelight@1026: 
truelight@1026: 	color_code = NetworkRecv_uint16(MY_CLIENT, p);
truelight@1026: 	NetworkRecv_string(MY_CLIENT, p, rcon_out, sizeof(rcon_out));
truelight@1026: 
truelight@1026: 	IConsolePrint(color_code, rcon_out);
truelight@1026: 
truelight@1026: 	return NETWORK_RECV_STATUS_OKAY;
truelight@1026: }
truelight@543: 
truelight@543: 
truelight@543: 
truelight@543: // The layout for the receive-functions by the client
truelight@543: typedef NetworkRecvStatus NetworkClientPacket(Packet *p);
truelight@543: 
truelight@543: // This array matches PacketType. At an incoming
truelight@543: //  packet it is matches against this array
truelight@543: //  and that way the right function to handle that
truelight@543: //  packet is found.
truelight@543: static NetworkClientPacket* const _network_client_packet[] = {
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_FULL),
truelight@841: 	RECEIVE_COMMAND(PACKET_SERVER_BANNED),
truelight@543: 	NULL, /*PACKET_CLIENT_JOIN,*/
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_ERROR),
truelight@543: 	NULL, /*PACKET_CLIENT_COMPANY_INFO,*/
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO),
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO),
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD),
truelight@543: 	NULL, /*PACKET_CLIENT_PASSWORD,*/
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_WELCOME),
truelight@543: 	NULL, /*PACKET_CLIENT_GETMAP,*/
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_WAIT),
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_MAP),
truelight@543: 	NULL, /*PACKET_CLIENT_MAP_OK,*/
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_JOIN),
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_FRAME),
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_SYNC),
truelight@543: 	NULL, /*PACKET_CLIENT_ACK,*/
truelight@543: 	NULL, /*PACKET_CLIENT_COMMAND,*/
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_COMMAND),
truelight@543: 	NULL, /*PACKET_CLIENT_CHAT,*/
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_CHAT),
truelight@543: 	NULL, /*PACKET_CLIENT_SET_PASSWORD,*/
truelight@543: 	NULL, /*PACKET_CLIENT_SET_NAME,*/
truelight@543: 	NULL, /*PACKET_CLIENT_QUIT,*/
truelight@543: 	NULL, /*PACKET_CLIENT_ERROR,*/
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_QUIT),
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT),
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN),
truelight@543: 	RECEIVE_COMMAND(PACKET_SERVER_NEWGAME),
truelight@1026: 	RECEIVE_COMMAND(PACKET_SERVER_RCON),
truelight@1026: 	NULL, /*PACKET_CLIENT_RCON,*/
truelight@543: };
truelight@543: 
truelight@543: // If this fails, check the array above with network_data.h
truelight@543: assert_compile(lengthof(_network_client_packet) == PACKET_END);
truelight@543: 
truelight@543: // Is called after a client is connected to the server
truelight@543: void NetworkClient_Connected(void)
truelight@543: {
truelight@543: 	// Set the frame-counter to 0 so nothing happens till we are ready
truelight@543: 	_frame_counter = 0;
truelight@543: 	_frame_counter_server = 0;
truelight@543: 	last_ack_frame = 0;
truelight@543: 	// Request the game-info
truelight@543: 	SEND_COMMAND(PACKET_CLIENT_JOIN)();
truelight@543: }
truelight@543: 
truelight@543: // Reads the packets from the socket-stream, if available
truelight@716: NetworkRecvStatus NetworkClient_ReadPackets(NetworkClientState *cs)
truelight@543: {
truelight@543: 	Packet *p;
truelight@543: 	NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
truelight@543: 
truelight@543: 	while (res == NETWORK_RECV_STATUS_OKAY && (p = NetworkRecv_Packet(cs, &res)) != NULL) {
truelight@903: 		byte type = NetworkRecv_uint8(MY_CLIENT, p);
Darkvater@4880: 		if (type < PACKET_END && _network_client_packet[type] != NULL && !MY_CLIENT->has_quit) {
truelight@543: 			res = _network_client_packet[type](p);
tron@2026: 		} else {
truelight@543: 			res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
Darkvater@5568: 			DEBUG(net, 0, "[client] received invalid packet type %d", type);
truelight@543: 		}
truelight@543: 
truelight@543: 		free(p);
truelight@543: 	}
truelight@543: 
truelight@543: 	return res;
truelight@543: }
truelight@543: 
truelight@543: #endif /* ENABLE_NETWORK */