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changeset 172:21871e50dfac draft

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(svn r173) -Network: [1023231] Debug Code + ErrorBoxes + Load Game/Scenario. Added some more desync debug code and replaced some of the error() calls with some better error boxes. Hopefully find desyncs easier (sign_de) -GUI: Change some network GUI stuff (Darkvater)
author darkvater <darkvater@openttd.org>
date Mon, 06 Sep 2004 22:46:02 +0000
parents 8246674c0182
children 432b1d5fa7ce
files intro_gui.c lang/english.txt misc_gui.c network.c network_gui.c ttd.c variables.h
diffstat 7 files changed, 176 insertions(+), 123 deletions(-) [+]
line wrap: on
line diff
--- a/intro_gui.c
+++ b/intro_gui.c
@@ -61,7 +61,10 @@
 		case 7:
 			if (!_network_available) {
 				ShowErrorMessage(-1,STR_NETWORK_ERR_NOTAVAILABLE, 0, 0);
-				} else ShowNetworkGameWindow();
+			} else {
+				ShowNetworkGameWindow();
+				ShowErrorMessage(-1, TEMP_STRING_NO_NETWORK, 0, 0);
+			}
 			break;
 		case 8: ShowGameOptions(); break;
 		case 9: ShowGameDifficulty(); break;
--- a/lang/english.txt
+++ b/lang/english.txt
@@ -1169,7 +1169,7 @@
 
 ############ network gui strings
 
-TEMP_STRING_NO_NETWORK						:{WHITE}Network interface is not working yet!
+TEMP_STRING_NO_NETWORK						:{WHITE}Network interface is not fully working yet!{}Some options work, but others like lobby, etc. don't. Just so you know.
 
 STR_NETWORK_MULTIPLAYER						:{WHITE}Multiplayer
 
@@ -1187,8 +1187,8 @@
 STR_NETWORK_SELECT_CONNECTION			:{BLACK}Select connection type:
 STR_NETWORK_CONNECTION_TYPE_TIP		:{BLACK}Chose between an internet game or a local area nework game
 STR_NETWORK_COMBO1								:{BLACK}{SKIP}{SKIP}{STRING}
-STR_NETWORK_LAN										:{BLACK}LAN
-STR_NETWORK_INTERNET							:{BLACK}Internet
+STR_NETWORK_LAN										:LAN
+STR_NETWORK_INTERNET							:Internet
 
 STR_NETWORK_GAME_NAME							:{BLACK}Name
 STR_NETWORK_GAME_NAME_TIP					:{BLACK}Name of the game
@@ -1213,15 +1213,16 @@
 STR_NETWORK_NUMBER_OF_PLAYERS			:{BLACK}Number of players:
 STR_NETWORK_NUMBER_OF_PLAYERS_TIP	:{BLACK}Chose a maximum number of players. Not all slots need to be filled.
 STR_NETWORK_COMBO2								:{BLACK}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{STRING}
-STR_NETWORK_2_PLAYERS							:{BLACK}2 players
-STR_NETWORK_3_PLAYERS							:{BLACK}3 players
-STR_NETWORK_4_PLAYERS							:{BLACK}4 players
-STR_NETWORK_5_PLAYERS							:{BLACK}5 players
-STR_NETWORK_6_PLAYERS							:{BLACK}6 players
-STR_NETWORK_7_PLAYERS							:{BLACK}7 players
-STR_NETWORK_8_PLAYERS							:{BLACK}8 players
+STR_NETWORK_2_PLAYERS							:2 players
+STR_NETWORK_3_PLAYERS							:3 players
+STR_NETWORK_4_PLAYERS							:4 players
+STR_NETWORK_5_PLAYERS							:5 players
+STR_NETWORK_6_PLAYERS							:6 players
+STR_NETWORK_7_PLAYERS							:7 players
+STR_NETWORK_8_PLAYERS							:8 players
 STR_NETWORK_START_GAME						:{BLACK}Start Game
-
+STR_NETWORK_LOAD_GAME							:{BLACK}Load Game
+STR_NETWORK_LOAD_SCENARIO					:{BLACK}Load Scenario
 
 STR_NETWORK_GAME_LOBBY						:{WHITE}Multiplayer game lobby
 
@@ -1238,6 +1239,9 @@
 STR_NETWORK_ERR_NOTAVAILABLE			:{WHITE} No network devices found or compiled without ENABLE_NETWORK
 STR_NETWORK_ERR_NOSERVER			:{WHITE} Could not find any network game
 STR_NETWORK_ERR_NOCONNECTION			:{WHITE} The server didn't answer the request
+STR_NETWORK_ERR_DESYNC				:{WHITE} Network-Game synchronization failed.
+STR_NETWORK_ERR_LOSTCONNECTION			:{WHITE} Network-Game connection lost.
+STR_NETWORK_ERR_SAVEGAMEERROR			:{WHITE} Could not load server-savegame.
 
 ############ end network gui strings
 
--- a/misc_gui.c
+++ b/misc_gui.c
@@ -457,6 +457,7 @@
 		TileHighlightData *thd = _thd_ptr;
 		TileIndex tile = thd->redsq;
 		thd->redsq = 0;
+		_switch_mode_errorstr = INVALID_STRING_ID;
 		if (tile != 0)
 			MarkTileDirtyByTile(tile);
 		break;
--- a/network.c
+++ b/network.c
@@ -221,17 +221,17 @@
 static FILE *_recv_file;
 
 typedef struct NetworkGameInfo {	
-	char server_name[40]; // name of the game
-	char server_revision[8]; // server game version
-	byte server_lang; // langid
-	byte players_max; // max players allowed on server
-	byte players_on; // current count of players on server
-	uint16 game_date; // current date
-	char game_password[10]; // should fit ... 14 chars
-	char map_name[40]; // map which is played ["random" for a randomized map]
-	uint map_width; // map width / 8
-	uint map_height; // map height / 8
-	byte map_set; // graphical set
+	char server_name[40];			// name of the game
+	char server_revision[8];	// server game version
+	byte server_lang;					// langid
+	byte players_max;					// max players allowed on server
+	byte players_on;					// current count of players on server
+	uint16 game_date;					// current date
+	char game_password[10];		// should fit ... 10 chars
+	char map_name[40];				// map which is played ["random" for a randomized map]
+	uint map_width;						// map width / 8
+	uint map_height;					// map height / 8
+	byte map_set;							// graphical set
 } NetworkGameInfo;
 
 typedef struct NetworkGameList {
@@ -279,6 +279,36 @@
 //////////////////////////////////////////////////////////////////////
 
 // ****************************** //
+// * Network Error Handlers     * //
+// ****************************** //
+
+static void NetworkHandleSaveGameError() {
+		_networking_sync = false;
+		_networking_queuing = true;
+		_switch_mode = SM_MENU;
+		_switch_mode_errorstr = STR_NETWORK_ERR_SAVEGAMEERROR;
+}
+
+static void NetworkHandleConnectionLost() {
+		_networking_sync = false;
+		_networking_queuing = true;
+		_switch_mode = SM_MENU;
+		_switch_mode_errorstr = STR_NETWORK_ERR_LOSTCONNECTION;
+}
+static void NetworkHandleDeSync() {
+	printf("fatal error: network sync error at frame %i\n",_frame_counter);
+		{
+			int i;
+			for (i=15; i>=0; i--) printf("frame %i: [0]=%i, [1]=%i\n",_frame_counter-(i+1),_my_seed_list[i][0],_my_seed_list[i][1]);
+			for (i=0; i<8; i++) printf("frame %i: [0]=%i, [1]=%i\n",_frame_counter+i,_future_seed[i].seed[0],_future_seed[i].seed[1]);
+		}
+		_networking_sync = false;
+		_networking_queuing = true;
+		_switch_mode = SM_MENU;
+		_switch_mode_errorstr = STR_NETWORK_ERR_DESYNC;
+}
+
+// ****************************** //
 // * TCP Packets and Handlers   * //
 // ****************************** //
 
@@ -326,8 +356,7 @@
 		while (_num_future_seed) {
 			assert(_future_seed[0].frame >= _frame_counter);
 			if (_future_seed[0].frame != _frame_counter) break;
-			if (_future_seed[0].seed[0] != _sync_seed_1 ||_future_seed[0].seed[1] != _sync_seed_2)
-				error("!network sync error");
+			if (_future_seed[0].seed[0] != _sync_seed_1 ||_future_seed[0].seed[1] != _sync_seed_2) NetworkHandleDeSync();
 			memcpy_overlapping(_future_seed, _future_seed + 1, --_num_future_seed * sizeof(FutureSeeds));
 		}
 	}
@@ -494,8 +523,7 @@
 		// we are ahead of the server check if the seed is in our list.
 		if (_frame_counter_srv + 16 > _frame_counter) {
 			// the random seed exists in our array check it.
-			if (s1 != _my_seed_list[_frame_counter_srv & 0xF][0] || s2 != _my_seed_list[_frame_counter_srv & 0xF][1])
-				error("!network is desynched\n");
+			if (s1 != _my_seed_list[_frame_counter_srv & 0xF][0] || s2 != _my_seed_list[_frame_counter_srv & 0xF][1]) NetworkHandleDeSync();
 		}
 	} else {
 		// the server's frame has not been executed yet. store the server's seed in a list.
@@ -537,17 +565,14 @@
 
 		// attempt loading the game.
 		_game_mode = GM_NORMAL;
-		if (SaveOrLoad("networkc.tmp", SL_LOAD) != SL_OK) error("network load failed");
-
+		if (SaveOrLoad("networkc.tmp", SL_LOAD) != SL_OK) {
+				NetworkCoreDisconnect();
+				NetworkHandleSaveGameError();
+				return;
+				}
 		// sync to server.
 		_networking_queuing = false;
 		NetworkStartSync(false);
-/*		
-		_networking_sync = true;
-		_frame_counter = 0; // start executing at frame 0.
-		_sync_seed_1 = _sync_seed_2 = 0;
-		_num_future_seed = 0;
-		memset(_my_seed_list, 0, sizeof(_my_seed_list)); */
 
 		if (_network_playas == 0) {
 			// send a command to make a new player
@@ -977,7 +1002,7 @@
 #else
 	n = WaitSelect(FD_SETSIZE, &read_fd, &write_fd, NULL, &tv, NULL);
 #endif
-	if (n == -1) error("select failed");
+	if (n == -1) NetworkHandleConnectionLost();
 
 	// accept clients..
 	if (_networking_server && FD_ISSET(_listensocket, &read_fd))
@@ -1258,7 +1283,7 @@
 		bcptr[3]=255;
 		out_addr.sin_addr.s_addr = bcaddr;
 		res=sendto(udp,(char *) &packet,sizeof(packet),0,(struct sockaddr *) &out_addr,sizeof(out_addr));
-		if (res==-1) error("udp: broadcast error: %i",GET_LAST_ERROR());
+		if (res==-1) DEBUG(misc,1)("udp: broadcast error: %i",GET_LAST_ERROR());
 		i++;
 	}
 	
@@ -1446,22 +1471,27 @@
 	if (strcmp((char *) b,"auto")==0) {
 		// do autodetect
 		NetworkUDPSearchGame(&b, &port);
-		}
+	}
 
 	if (port==0) {
 		// autodetection failed
 		if (_networking_override) NetworkLobbyShutdown();
 		ShowErrorMessage(-1, STR_NETWORK_ERR_NOSERVER, 0, 0);
+		_switch_mode_errorstr = STR_NETWORK_ERR_NOSERVER;
 		return false;
-		}
+	}
+
 	NetworkInitialize();
 	_networking = NetworkConnect(b, port);
 	if (_networking) {
 		NetworkLobbyShutdown();
-		} else {
-		if (_networking_override) NetworkLobbyShutdown();
+	} else {
+		if (_networking_override) 
+			NetworkLobbyShutdown();
+		
 		ShowErrorMessage(-1, STR_NETWORK_ERR_NOCONNECTION,0,0);
-		}
+		_switch_mode_errorstr = STR_NETWORK_ERR_NOCONNECTION;
+	}
 	return _networking;
 }
 
--- a/network_gui.c
+++ b/network_gui.c
@@ -27,13 +27,23 @@
 	INVALID_STRING_ID
 };
 
+/* Should be _network_game->players_max but since network is not yet really done
+* we'll just use some dummy here 
+* network.c -->> static NetworkGameInfo _network_game;
+*/
+static byte _players_max;
+/* Should be ??????????? (something) but since network is not yet really done
+* we'll just use some dummy here 
+*/
+static byte _network_connection;
+
 static void NetworkGameWindowWndProc(Window *w, WindowEvent *e)
 {
 	switch(e->event) {
 	case WE_PAINT: {
 	
 		SET_DPARAM16(0, 0x00);
-		SET_DPARAM16(2, STR_NETWORK_LAN + _opt_mod_ptr->road_side);
+		SET_DPARAM16(2, STR_NETWORK_LAN + _network_connection);
 		DrawWindowWidgets(w);
 		
 		DrawEditBox(w, 6);
@@ -45,27 +55,20 @@
 		DrawString(238, 82, STR_NETWORK_PLAYERS, 2);
 		DrawString(288, 82, STR_NETWORK_MAP_SIZE, 2);
 		
-		break;
-	}
+	}	break;
 
 	case WE_CLICK:
 		_selected_field = e->click.widget;
 		switch(e->click.widget) {
-
-		case 0:  // close X
-		case 15: // cancel button
+		case 0: case 15:  /* Close 'X' | Cancel button */
 			DeleteWindowById(WC_NETWORK_WINDOW, 0);
 			NetworkLobbyShutdown();
 			break;
-		case 3: // find server automaticaly
-			{
+		case 3: { /* Find server automaticaly */
 			byte *b = "auto";
-			NetworkCoreConnectGame(b,_network_server_port);
-			}
-			break;
-
-		case 4: // connect via direct ip
-			{
+			NetworkCoreConnectGame(b, _network_server_port);
+		}	break;
+		case 4: { /* Connect via direct ip */
 				StringID str;
 				str = AllocateName((byte*)_decode_parameters, 0);
 				
@@ -77,27 +80,32 @@
 				w->window_class,
 				w->window_number);
 				DeleteName(str);
-			}
-			break;
-			
-		case 5: // start server
+		} break;
+		case 5: /* Start server */
 			ShowNetworkStartServerWindow();
 			break;
-
-		case 8:
-			ShowDropDownMenu(w, _connection_types_dropdown, _opt_mod_ptr->currency, e->click.widget, 0);
+		case 7: case 8: /* Connection type */
+			ShowDropDownMenu(w, _connection_types_dropdown, _network_connection, 8, 0); // do it for widget 8
 			return;
 		}
+		break;
+
+	case WE_DROPDOWN_SELECT: /* we have selected a dropdown item in the list */
+		_network_connection = e->dropdown.index;
+
+		SetWindowDirty(w);
+		break;
 
 	case WE_MOUSELOOP:
-		if(_selected_field != 6)
-			break;
-		HandleEditBox(w, 6);
+		if (_selected_field == 6)
+			HandleEditBox(w, 6);
+		
 		break;
 
 	case WE_KEYPRESS:
 		if(_selected_field != 6)
 			break;
+
 		switch (HandleEditBoxKey(w, 6, e)) {
 		case 1:
 			HandleButtonClick(w, 9);
@@ -116,32 +124,31 @@
 }
 
 static const Widget _network_game_window_widgets[] = {
-{   WWT_PUSHTXTBTN, BGC,     0,    10,     0,    13, STR_00C5, STR_018B_CLOSE_WINDOW},
-{    WWT_CAPTION,   BGC,    10,   399,     0,    13, STR_NETWORK_MULTIPLAYER},
-{     WWT_IMGBTN,   BGC,     0,   399,    14,   199, 0x0},
+{ WWT_PUSHTXTBTN,   BGC,     0,    10,     0,    13, STR_00C5,										STR_018B_CLOSE_WINDOW},
+{    WWT_CAPTION,   BGC,    10,   399,     0,    13, STR_NETWORK_MULTIPLAYER,			STR_NULL},
+{     WWT_IMGBTN,   BGC,     0,   399,    14,   199, 0x0,													STR_NULL},
 
-{ WWT_PUSHTXTBTN,   BTC,    20,   130,    22,    33, STR_NETWORK_FIND_SERVER, STR_NETWORK_FIND_SERVER_TIP},
-{ WWT_PUSHTXTBTN,   BTC,   145,   255,    22,    33, STR_NETWORK_DIRECT_CONNECT, STR_NETWORK_DIRECT_CONNECT_TIP},
-{ WWT_PUSHTXTBTN,   BTC,   270,   380,    22,    33, STR_NETWORK_START_SERVER, STR_NETWORK_START_SERVER_TIP},
+{ WWT_PUSHTXTBTN,   BTC,    20,   130,    22,    33, STR_NETWORK_FIND_SERVER,			STR_NETWORK_FIND_SERVER_TIP},
+{ WWT_PUSHTXTBTN,   BTC,   145,   255,    22,    33, STR_NETWORK_DIRECT_CONNECT,	STR_NETWORK_DIRECT_CONNECT_TIP},
+{ WWT_PUSHTXTBTN,   BTC,   270,   380,    22,    33, STR_NETWORK_START_SERVER,		STR_NETWORK_START_SERVER_TIP},
 
-{     WWT_IMGBTN,   BGC,   250,   394,    42,    53, 0x0, STR_NETWORK_ENTER_NAME_TIP},
+{     WWT_IMGBTN,   BGC,   250,   394,    42,    53, 0x0,													STR_NETWORK_ENTER_NAME_TIP},
 
-{          WWT_6,   BGC,   250,   393,    62,    73, STR_NETWORK_COMBO1, STR_NETWORK_CONNECTION_TYPE_TIP},
-{   WWT_CLOSEBOX,   BGC,   382,   392,    63,    72, STR_0225, STR_NETWORK_CONNECTION_TYPE_TIP},
+{          WWT_6,   BGC,   250,   393,    62,    73, STR_NETWORK_COMBO1,					STR_NETWORK_CONNECTION_TYPE_TIP},
+{   WWT_CLOSEBOX,   BGC,   382,   392,    63,    72, STR_0225,										STR_NETWORK_CONNECTION_TYPE_TIP},
 
-{  WWT_SCROLLBAR,   BGC,   382,   392,    81,   175, 0x0,  STR_0190_SCROLL_BAR_SCROLLS_LIST},
-
-{    WWT_IMGBTN,    BTC,    10,   231,    81,    92, 0x0, STR_NETWORK_GAME_NAME_TIP },
-{    WWT_IMGBTN,    BTC,   232,   281,    81,    92, 0x0, STR_NETWORK_PLAYERS_TIP },
-{    WWT_IMGBTN,    BTC,   282,   331,    81,    92, 0x0, STR_NETWORK_MAP_SIZE_TIP },
-{    WWT_IMGBTN,    BTC,   332,   381,    81,    92, 0x0, STR_NETWORK_INFO_ICONS_TIP },
+{  WWT_SCROLLBAR,   BGC,   382,   392,    81,   175, 0x0,													STR_0190_SCROLL_BAR_SCROLLS_LIST},
 
-{     WWT_MATRIX,   BGC,    10,   381,    93,   175, 0x601, STR_NETWORK_CLICK_GAME_TO_SELECT},
+{     WWT_IMGBTN,   BTC,    10,   231,    81,    92, 0x0,													STR_NETWORK_GAME_NAME_TIP },
+{     WWT_IMGBTN,   BTC,   232,   281,    81,    92, 0x0,													STR_NETWORK_PLAYERS_TIP },
+{     WWT_IMGBTN,   BTC,   282,   331,    81,    92, 0x0,													STR_NETWORK_MAP_SIZE_TIP },
+{     WWT_IMGBTN,   BTC,   332,   381,    81,    92, 0x0,													STR_NETWORK_INFO_ICONS_TIP },
 
-{ WWT_PUSHTXTBTN,   BTC,   145,   255,   180,   191, STR_012E_CANCEL, STR_NULL},
-{ WWT_PUSHTXTBTN,   BTC,   270,   392,   180,   191, STR_NETWORK_JOIN_GAME, STR_NULL},
+{     WWT_MATRIX,   BGC,    10,   381,    93,   175, 0x601,												STR_NETWORK_CLICK_GAME_TO_SELECT},
 
-{      WWT_LAST},
+{ WWT_PUSHTXTBTN,   BTC,   145,   255,   180,   191, STR_012E_CANCEL,							STR_NULL},
+{ WWT_PUSHTXTBTN,   BTC,   270,   392,   180,   191, STR_NETWORK_JOIN_GAME,				STR_NULL},
+{       WWT_LAST},
 };
 
 static const WindowDesc _network_game_window_desc = {
@@ -168,7 +175,6 @@
 	WP(w,querystr_d).maxlen = MAX_QUERYSTR_LEN;
 	WP(w,querystr_d).maxwidth = 240;
 	WP(w,querystr_d).buf = _edit_str_buf;
-	// ShowErrorMessage(-1, TEMP_STRING_NO_NETWORK, 0, 0);
 }
 
 static const StringID _players_dropdown[] = {
@@ -182,13 +188,12 @@
 	INVALID_STRING_ID
 };
 
-
 static void NetworkStartServerWindowWndProc(Window *w, WindowEvent *e)
 {
 	switch(e->event) {
 	case WE_PAINT: {
 	
-		SET_DPARAM16(7, STR_NETWORK_2_PLAYERS + _opt_mod_ptr->road_side);
+		SET_DPARAM16(7, STR_NETWORK_2_PLAYERS + _players_max);
 		DrawWindowWidgets(w);
 
 		GfxFillRect(11, 63, 237, 168, 0xD7);
@@ -202,39 +207,45 @@
 		DrawString(10, 43, STR_NETWORK_SELECT_MAP, 2);
 		DrawString(260, 63, STR_NETWORK_NUMBER_OF_PLAYERS, 2);
 		
-		break;
-	}
+	}	break;
 
 	case WE_CLICK:
 		_selected_field = e->click.widget;
 		switch(e->click.widget) {
-
-		case 0: // close X
-		case 10: // cancel button
+		case 0: case 12: /* Close 'X' | Cancel button */
 			ShowNetworkGameWindow();
 			break;
-		case 8:
-			ShowDropDownMenu(w, _players_dropdown, _opt_mod_ptr->currency, e->click.widget, 0);
+		case 7: case 8: /* Number of Players */
+			ShowDropDownMenu(w, _players_dropdown, _players_max, 8, 0); // do it for widget 8
 			return;
-		case 9: // start game
+		case  9: /* Start game */
+			NetworkCoreStartGame();
+			//ShowNetworkLobbyWindow();
+			DoCommandP(0, 0, 0, NULL, CMD_START_NEW_GAME);
+			break;
+		case 10: /* Load game */
 			NetworkCoreStartGame();
-			ShowNetworkLobbyWindow();
-			DoCommandP(0, 0, 0, NULL, CMD_START_NEW_GAME);
+			//ShowNetworkLobbyWindow();
+			ShowSaveLoadDialog(SLD_LOAD_GAME);
+			break;
+		case 11: /* Load scenario */
+			NetworkCoreStartGame();
+			//ShowNetworkLobbyWindow();
+			ShowSaveLoadDialog(SLD_LOAD_SCENARIO);;
 			break;
 		}
+		break;
+
+	case WE_DROPDOWN_SELECT: /* we have selected a dropdown item in the list */
+		_players_max = e->dropdown.index;
+
+		SetWindowDirty(w);
+		break;
 
 	case WE_MOUSELOOP:
-		if(_selected_field == 3)
-		{
-			HandleEditBox(w, 3);
-			break;
-		}
-		if(_selected_field == 4)
-		{
-			HandleEditBox(w, 4);
-			break;
-		}
-			
+		if(_selected_field == 3 || _selected_field == 4)
+			HandleEditBox(w, _selected_field);
+
 		break;
 
 	case WE_KEYPRESS:
@@ -251,22 +262,23 @@
 }
 
 static const Widget _network_start_server_window_widgets[] = {
-{   WWT_PUSHTXTBTN, BGC,     0,    10,     0,    13, STR_00C5, STR_018B_CLOSE_WINDOW },
-{    WWT_CAPTION,   BGC,    10,   399,     0,    13, STR_NETWORK_START_GAME_WINDOW },
-{     WWT_IMGBTN,   BGC,     0,   399,    14,   199, 0x0},
+{   WWT_CLOSEBOX,   BGC,     0,    10,     0,    13, STR_00C5,											STR_018B_CLOSE_WINDOW },
+{    WWT_CAPTION,   BGC,    10,   399,     0,    13, STR_NETWORK_START_GAME_WINDOW,	STR_NULL},
+{     WWT_IMGBTN,   BGC,     0,   399,    14,   199, 0x0,														STR_NULL},
 
-{     WWT_IMGBTN,   BGC,    80,   190,    22,    33, 0x0, STR_NETWORK_NEW_GAME_NAME_TIP},
-{     WWT_IMGBTN,   BGC,   280,   390,    22,    33, 0x0, STR_NETWORK_PASSWORD_TIP},
+{     WWT_IMGBTN,   BGC,    80,   190,    22,    33, 0x0,														STR_NETWORK_NEW_GAME_NAME_TIP},
+{     WWT_IMGBTN,   BGC,   280,   390,    22,    33, 0x0,														STR_NETWORK_PASSWORD_TIP},
 
-{     WWT_IMGBTN,   BGC,    10,   240,    62,   170, 0x0, STR_NETWORK_SELECT_MAP_TIP},
-{  WWT_SCROLLBAR,   BGC,   241,   251,    62,   170, 0x0,  STR_0190_SCROLL_BAR_SCROLLS_LIST},
+{     WWT_IMGBTN,   BGC,    10,   240,    62,   170, 0x0,														STR_NETWORK_SELECT_MAP_TIP},
+{  WWT_SCROLLBAR,   BGC,   241,   251,    62,   170, 0x0,														STR_0190_SCROLL_BAR_SCROLLS_LIST},
 
-{          WWT_6,   BGC,   260,   390,    81,    92, STR_NETWORK_COMBO2, STR_NETWORK_NUMBER_OF_PLAYERS_TIP},
-{   WWT_CLOSEBOX,   BGC,   378,   388,    82,    91, STR_0225, STR_NETWORK_NUMBER_OF_PLAYERS_TIP},
+{          WWT_6,   BGC,   260,   390,    81,    92, STR_NETWORK_COMBO2,						STR_NETWORK_NUMBER_OF_PLAYERS_TIP},
+{   WWT_CLOSEBOX,   BGC,   379,   389,    82,    91, STR_0225,											STR_NETWORK_NUMBER_OF_PLAYERS_TIP},
 
-{ WWT_PUSHTXTBTN,   BTC,    80,   180,   180,   191, STR_NETWORK_START_GAME, STR_NULL},
-{ WWT_PUSHTXTBTN,   BTC,   220,   320,   180,   191, STR_012E_CANCEL, STR_NULL},
-
+{ WWT_PUSHTXTBTN,   BTC,    10,   100,   180,   191, STR_NETWORK_START_GAME,				STR_NULL},
+{ WWT_PUSHTXTBTN,   BTC,   110,   200,   180,   191, STR_NETWORK_LOAD_GAME,					STR_NULL},
+{ WWT_PUSHTXTBTN,   BTC,   210,   300,   180,   191, STR_NETWORK_LOAD_SCENARIO,			STR_NULL},
+{ WWT_PUSHTXTBTN,   BTC,   310,   390,   180,   191, STR_012E_CANCEL,								STR_NULL},
 {      WWT_LAST},
 };
 
@@ -278,7 +290,6 @@
 	NetworkStartServerWindowWndProc,
 };
 
-
 static void ShowNetworkStartServerWindow()
 {
 	Window *w;
@@ -286,7 +297,6 @@
 	
 	w = AllocateWindowDesc(&_network_start_server_window_desc);
 	strcpy(_edit_str_buf, "");
-
 	
 	WP(w,querystr_d).caret = 1;
 	WP(w,querystr_d).maxlen = MAX_QUERYSTR_LEN;
--- a/ttd.c
+++ b/ttd.c
@@ -489,6 +489,7 @@
 
 	_game_mode = GM_MENU;
 	_switch_mode = SM_MENU;
+	_switch_mode_errorstr = INVALID_STRING_ID;
 
 	MyGetOptInit(&mgo, argc-1, argv+1, "m:s:v:hn::l:eit:d::r:g::G:cp:");
 	while ((i = MyGetOpt(&mgo)) != -1) {
@@ -860,6 +861,9 @@
 		MarkWholeScreenDirty();
 		break;
 	}
+	
+	if (_switch_mode_errorstr!=INVALID_STRING_ID) 
+		ShowErrorMessage(INVALID_STRING_ID,_switch_mode_errorstr,0,0);
 
 	_in_state_game_loop = false;
 }
--- a/variables.h
+++ b/variables.h
@@ -282,6 +282,7 @@
 
 // Used when switching from the intro menu.
 VARDEF byte _switch_mode;
+VARDEF StringID _switch_mode_errorstr;
 VARDEF bool _exit_game;
 VARDEF SmallFiosItem _file_to_saveload;
 VARDEF byte _make_screenshot;