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/* $Id$ */

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#ifdef ENABLE_NETWORK

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#include "../stdafx.h"

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#include "../openttd.h"

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#include "../string.h"

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#include "../strings.h"

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#include "../table/sprites.h"

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#include "network.h"

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#include "../date.h"

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#include "../fios.h"

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#include "table/strings.h"

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#include "../functions.h"

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#include "network_data.h"

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#include "network_client.h"

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#include "network_gui.h"

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#include "network_gamelist.h"

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#include "../window.h"

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#include "../gui.h"

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#include "../gfx.h"

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#include "../command.h"

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#include "../variables.h"

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#include "network_server.h"

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#include "network_udp.h"

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#include "../settings.h"

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#include "../string.h"

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#include "../town.h"

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#include "../newgrf.h"

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#include "../helpers.hpp"

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    32

#define BGC 5

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#define BTC 15

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struct network_d {

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	PlayerID company;        // select company in network lobby

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	byte field;              // select text-field in start-server and game-listing

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	byte widget_id;          ///< The widget that has the pop-up input menu

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	NetworkGameList *server; // selected server in lobby and game-listing

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	FiosItem *map;           // selected map in start-server

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};

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assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_d));

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struct network_ql_d {

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	network_d n;                 // see above; general stuff

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	querystr_d q;                // text-input in start-server and game-listing

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	NetworkGameList **sort_list; // list of games (sorted)

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	list_d l;                    // accompanying list-administration

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};

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assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(network_ql_d));

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    52

/* Global to remember sorting after window has been closed */

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static Listing _ng_sorting;

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    55

static char _edit_str_buf[150];

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static bool _chat_tab_completion_active;

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    58

static void ShowNetworkStartServerWindow();

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static void ShowNetworkLobbyWindow(NetworkGameList *ngl);

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extern void SwitchMode(int new_mode);

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    62

static const StringID _connection_types_dropdown[] = {

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	STR_NETWORK_LAN_INTERNET,

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	STR_NETWORK_INTERNET_ADVERTISE,

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	INVALID_STRING_ID

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};

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static const StringID _lan_internet_types_dropdown[] = {

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	STR_NETWORK_LAN,

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	STR_NETWORK_INTERNET,

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	INVALID_STRING_ID

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};

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    74

static StringID _language_dropdown[NETLANG_COUNT + 1] = {STR_NULL};

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    76

void SortNetworkLanguages()

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{

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	/* Init the strings */

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	if (_language_dropdown[0] == STR_NULL) {

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		for (int i = 0; i < NETLANG_COUNT; i++) _language_dropdown[i] = STR_NETWORK_LANG_ANY + i;

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		_language_dropdown[NETLANG_COUNT] = INVALID_STRING_ID;

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	}

    83

    84

	/* Sort the strings (we don't move 'any' and the 'invalid' one) */

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	qsort(&_language_dropdown[1], NETLANG_COUNT - 1, sizeof(StringID), &StringIDSorter);

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}

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enum {

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	NET_PRC__OFFSET_TOP_WIDGET          = 54,

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	NET_PRC__OFFSET_TOP_WIDGET_COMPANY  = 52,

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	NET_PRC__SIZE_OF_ROW                = 14,

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};

    93

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/** Update the network new window because a new server is

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 * found on the network.

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 * @param unselect unselect the currently selected item */

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void UpdateNetworkGameWindow(bool unselect)

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{

    99

	SendWindowMessage(WC_NETWORK_WINDOW, 0, unselect, 0, 0);

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}

   101

   102

static bool _internal_sort_order; // Used for Qsort order-flipping

   103

typedef int CDECL NGameNameSortFunction(const void*, const void*);

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   105

/** Qsort function to sort by name. */

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static int CDECL NGameNameSorter(const void *a, const void *b)

   107

{

   108

	const NetworkGameList *cmp1 = *(const NetworkGameList**)a;

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	const NetworkGameList *cmp2 = *(const NetworkGameList**)b;

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	int r = strcasecmp(cmp1->info.server_name, cmp2->info.server_name);

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   112

	return _internal_sort_order ? -r : r;

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}

   114

   115

/** Qsort function to sort by the amount of clients online on a

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 * server. If the two servers have the same amount, the one with the

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 * higher maximum is preferred. */

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static int CDECL NGameClientSorter(const void *a, const void *b)

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{

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	const NetworkGameList *cmp1 = *(const NetworkGameList**)a;

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	const NetworkGameList *cmp2 = *(const NetworkGameList**)b;

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	/* Reverse as per default we are interested in most-clients first */

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	int r = cmp1->info.clients_on - cmp2->info.clients_on;

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   125

	if (r == 0) r = cmp1->info.clients_max - cmp2->info.clients_max;

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	if (r == 0) r = strcasecmp(cmp1->info.server_name, cmp2->info.server_name);

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   128

	return _internal_sort_order ? -r : r;

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}

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/** Qsort function to sort by joinability. If both servers are the

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 * same, prefer the non-passworded server first. */

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static int CDECL NGameAllowedSorter(const void *a, const void *b)

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{

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	const NetworkGameList *cmp1 = *(const NetworkGameList**)a;

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	const NetworkGameList *cmp2 = *(const NetworkGameList**)b;

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	/* The servers we do not know anything about (the ones that did not reply) should be at the bottom) */

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	int r = StrEmpty(cmp1->info.server_revision) - StrEmpty(cmp2->info.server_revision);

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   141

	/* Reverse default as we are interested in version-compatible clients first */

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	if (r == 0) r = cmp2->info.version_compatible - cmp1->info.version_compatible;

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	/* The version-compatible ones are then sorted with NewGRF compatible first, incompatible last */

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	if (r == 0) r = cmp2->info.compatible - cmp1->info.compatible;

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	/* Passworded servers should be below unpassworded servers */

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	if (r == 0) r = cmp1->info.use_password - cmp2->info.use_password;

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	/* Finally sort on the name of the server */

   148

	if (r == 0) r = strcasecmp(cmp1->info.server_name, cmp2->info.server_name);

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   150

	return _internal_sort_order ? -r : r;

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}

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/** (Re)build the network game list as its amount has changed because

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 * an item has been added or deleted for example

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 * @param ngl list_d struct that contains all necessary information for sorting */

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static void BuildNetworkGameList(network_ql_d *nqld)

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{

   158

	NetworkGameList *ngl_temp;

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	uint n = 0;

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   161

	if (!(nqld->l.flags & VL_REBUILD)) return;

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   163

	/* Count the number of games in the list */

   164

	for (ngl_temp = _network_game_list; ngl_temp != NULL; ngl_temp = ngl_temp->next) n++;

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	if (n == 0) return;

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   167

	/* Create temporary array of games to use for listing */

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	free(nqld->sort_list);

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	nqld->sort_list = MallocT<NetworkGameList*>(n);

   170

	if (nqld->sort_list == NULL) error("Could not allocate memory for the network-game-sorting-list");

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	nqld->l.list_length = n;

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   173

	for (n = 0, ngl_temp = _network_game_list; ngl_temp != NULL; ngl_temp = ngl_temp->next) {

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		nqld->sort_list[n++] = ngl_temp;

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	}

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   177

	/* Force resort */

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	nqld->l.flags &= ~VL_REBUILD;

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	nqld->l.flags |= VL_RESORT;

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}

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   182

static void SortNetworkGameList(network_ql_d *nqld)

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{

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	static NGameNameSortFunction * const ngame_sorter[] = {

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		&NGameNameSorter,

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		&NGameClientSorter,

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		&NGameAllowedSorter

   188

	};

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   190

	NetworkGameList *item;

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	uint i;

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	if (!(nqld->l.flags & VL_RESORT)) return;

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	if (nqld->l.list_length == 0) return;

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   196

	_internal_sort_order = !!(nqld->l.flags & VL_DESC);

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	qsort(nqld->sort_list, nqld->l.list_length, sizeof(nqld->sort_list[0]), ngame_sorter[nqld->l.sort_type]);

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	/* After sorting ngl->sort_list contains the sorted items. Put these back

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	 * into the original list. Basically nothing has changed, we are only

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	 * shuffling the ->next pointers */

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	_network_game_list = nqld->sort_list[0];

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	for (item = _network_game_list, i = 1; i != nqld->l.list_length; i++) {

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		item->next = nqld->sort_list[i];

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		item = item->next;

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	}

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	item->next = NULL;

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   209

	nqld->l.flags &= ~VL_RESORT;

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}

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static void NetworkGameWindowWndProc(Window *w, WindowEvent *e)

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{

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	network_d *nd = &WP(w, network_ql_d).n;

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	list_d *ld = &WP(w, network_ql_d).l;

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   251

	switch (e->event) {

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		w->vscroll.cap = 13;

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		w->resize.step_height = NET_PRC__SIZE_OF_ROW;

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		nd->server = NULL;

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		WP(w, network_ql_d).sort_list = NULL;

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		ld->flags = VL_REBUILD | (_ng_sorting.order ? VL_DESC : VL_NONE);

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		ld->sort_type = _ng_sorting.criteria;

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		break;

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	case WE_PAINT: {

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		const NetworkGameList *sel = nd->server;

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		const char *arrow = (ld->flags & VL_DESC) ? DOWNARROW : UPARROW;

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   268

		if (ld->flags & VL_REBUILD) {

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			BuildNetworkGameList(&WP(w, network_ql_d));

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			SetVScrollCount(w, ld->list_length);

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		}

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		if (ld->flags & VL_RESORT) SortNetworkGameList(&WP(w, network_ql_d));

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				!sel->online || // Server offline

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				sel->info.clients_on >= sel->info.clients_max || // Server full

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				!sel->info.compatible); // Revision mismatch

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				!sel->online ||

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				sel->info.grfconfig == NULL);

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		SetDParam(0, 0x00);

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		SetDParam(1, _lan_internet_types_dropdown[_network_lan_internet]);

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		DrawWindowWidgets(w);

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   293

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		/* Sort based on widgets: name, clients, compatibility */

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		switch (ld->sort_type) {

   301

		}

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   303

		{ // draw list of games

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			uint16 y = NET_PRC__OFFSET_TOP_WIDGET + 3;

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			int32 n = 0;

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			int32 pos = w->vscroll.pos;

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			const NetworkGameList *cur_item = _network_game_list;

   309

   310

			while (pos > 0 && cur_item != NULL) {

   311

				pos--;

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				cur_item = cur_item->next;

   313

			}

   314

   315

			while (cur_item != NULL) {

   318

   319

				SetDParamStr(0, cur_item->info.server_name);

   321

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				SetDParam(0, cur_item->info.clients_on);

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				SetDParam(1, cur_item->info.clients_max);

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				SetDParam(2, cur_item->info.companies_on);

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				SetDParam(3, cur_item->info.companies_max);

   327

   329

				if (cur_item->online) {

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   335

   338

				}

   339

   340

				cur_item = cur_item->next;

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				y += NET_PRC__SIZE_OF_ROW;

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				if (++n == w->vscroll.cap) break; // max number of games in the window

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			}

   344

		}

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		/* Draw the right menu */

   348

		if (sel == NULL) {

   350

		} else if (!sel->online) {

   351

			SetDParamStr(0, sel->info.server_name);

   353

   355

		} else { // show game info

   356

			uint16 y = 100;

   358

   360

   361

   362

			SetDParamStr(0, sel->info.server_name);

   364

   365

			SetDParamStr(0, sel->info.map_name);

   367

   368

			SetDParam(0, sel->info.clients_on);

   369

			SetDParam(1, sel->info.clients_max);

   370

			SetDParam(2, sel->info.companies_on);

   371

			SetDParam(3, sel->info.companies_max);

   372

			DrawString(x, y, STR_NETWORK_CLIENTS, TC_GOLD);

   373

			y += 10;

   374

   375

			SetDParam(0, STR_NETWORK_LANG_ANY + sel->info.server_lang);

   376

			DrawString(x, y, STR_NETWORK_LANGUAGE, TC_GOLD); // server language

   377

			y += 10;

   378

   379

			SetDParam(0, STR_TEMPERATE_LANDSCAPE + sel->info.map_set);

   380

			DrawString(x, y, STR_NETWORK_TILESET, TC_GOLD); // tileset

   381

			y += 10;

   382

   383

			SetDParam(0, sel->info.map_width);

   384

			SetDParam(1, sel->info.map_height);

   385

			DrawString(x, y, STR_NETWORK_MAP_SIZE, TC_GOLD); // map size

   386

			y += 10;

   387

   388

			SetDParamStr(0, sel->info.server_revision);

   389

			DrawString(x, y, STR_NETWORK_SERVER_VERSION, TC_GOLD); // server version

   390

			y += 10;

   391

   392

			SetDParamStr(0, sel->info.hostname);

   393

			SetDParam(1, sel->port);

   394

			DrawString(x, y, STR_NETWORK_SERVER_ADDRESS, TC_GOLD); // server address

   395

			y += 10;

   396

   397

			SetDParam(0, sel->info.start_date);

   398

			DrawString(x, y, STR_NETWORK_START_DATE, TC_GOLD); // start date

   399

			y += 10;

   400

   401

			SetDParam(0, sel->info.game_date);

   402

			DrawString(x, y, STR_NETWORK_CURRENT_DATE, TC_GOLD); // current date

   403

			y += 10;

   404

   405

			y += 2;

   406

   407

			if (!sel->info.compatible) {

   409

			} else if (sel->info.clients_on == sel->info.clients_max) {

   412

			} else if (sel->info.use_password) {

   414

			}

   415

   416

			y += 10;

   417

		}

   418

	} break;

   419

   420

	case WE_CLICK:

   421

		nd->field = e->we.click.widget;

   422

		switch (e->we.click.widget) {

   424

			DeleteWindowById(WC_NETWORK_WINDOW, 0);

   425

			break;

   428

			break;

   433

			ld->flags |= VL_RESORT;

   435

   436

			_ng_sorting.order = !!(ld->flags & VL_DESC);

   437

			_ng_sorting.criteria = ld->sort_type;

   438

			SetWindowDirty(w);

   439

			break;

   441

			NetworkGameList *cur_item;

   442

			uint32 id_v = (e->we.click.pt.y - NET_PRC__OFFSET_TOP_WIDGET) / NET_PRC__SIZE_OF_ROW;

   443

   444

			if (id_v >= w->vscroll.cap) return; // click out of bounds

   445

			id_v += w->vscroll.pos;

   446

   447

			cur_item = _network_game_list;

   448

			for (; id_v > 0 && cur_item != NULL; id_v--) cur_item = cur_item->next;

   449

   450

			nd->server = cur_item;

   451

			SetWindowDirty(w);

   452

		} break;

   454

			switch (_network_lan_internet) {

   455

				case 0: NetworkUDPSearchGame(); break;

   456

				case 1: NetworkUDPQueryMasterServer(); break;

   457

			}

   458

			break;

   461

				BindCString(_network_default_ip),

   462

				STR_NETWORK_ENTER_IP,

   463

				31 | 0x1000,  // maximum number of characters OR

   464

				250, // characters up to this width pixels, whichever is satisfied first

   465

				w, CS_ALPHANUMERAL);

   466

		} break;

   468

			ShowNetworkStartServerWindow();

   469

			break;

   471

			if (nd->server != NULL) {

   472

				snprintf(_network_last_host, sizeof(_network_last_host), "%s", inet_ntoa(*(struct in_addr *)&nd->server->ip));

   473

				_network_last_port = nd->server->port;

   474

				ShowNetworkLobbyWindow(nd->server);

   475

			}

   476

			break;

   478

			if (nd->server != NULL)

   479

				NetworkUDPQueryServer(nd->server->info.hostname, nd->server->port);

   480

			break;