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authorludde <ludde@openttd.org>2005-07-15 18:43:39 +0000
committerludde <ludde@openttd.org>2005-07-15 18:43:39 +0000
commit6a3f58e050bf3d023b27eee25043bb0000b345e3 (patch)
tree225e3c6ccadc7dc1bb6d4e80149b3d86d43927c6
parent3486e7e9d5d24e2e0595b7a8d517581b926b85cd (diff)
downloadopenttd-6a3f58e050bf3d023b27eee25043bb0000b345e3.tar.xz
(svn r2581) Fix: Behave a bit safer if central server sends bogus information about clients.
Change: Made code a little bit more readable by putting _selected_item in a local var with a shorter name.
-rw-r--r--network.h2
-rw-r--r--network_gui.c68
2 files changed, 39 insertions, 31 deletions
diff --git a/network.h b/network.h
index 79227e44b..2aa213e51 100644
--- a/network.h
+++ b/network.h
@@ -49,6 +49,8 @@ enum {
NETWORK_PLAYERS_LENGTH = 200,
NETWORK_CLIENT_NAME_LENGTH = 25,
NETWORK_RCONCOMMAND_LENGTH = 500,
+
+ NETWORK_NUM_LANGUAGES = 4,
};
// This is the struct used by both client and server
diff --git a/network_gui.c b/network_gui.c
index e1dad6e8c..5c7daa06f 100644
--- a/network_gui.c
+++ b/network_gui.c
@@ -99,18 +99,20 @@ static void NetworkGameWindowWndProc(Window *w, WindowEvent *e)
_selected_item = NULL;
break;
case WE_PAINT: {
+ NetworkGameList *sel = _selected_item;
+
w->disabled_state = 0;
- if (_selected_item == NULL) {
+ if (sel == NULL) {
SETBIT(w->disabled_state, 17); SETBIT(w->disabled_state, 18);
- } else if (!_selected_item->online) {
+ } else if (!sel->online) {
SETBIT(w->disabled_state, 17); // Server offline, join button disabled
- } else if (_selected_item->info.clients_on == _selected_item->info.clients_max) {
+ } else if (sel->info.clients_on == sel->info.clients_max) {
SETBIT(w->disabled_state, 17); // Server full, join button disabled
// revisions don't match, check if server has no revision; then allow connection
- } else if (strncmp(_selected_item->info.server_revision, _openttd_revision, NETWORK_REVISION_LENGTH - 1) != 0) {
- if (strncmp(_selected_item->info.server_revision, NOREV_STRING, sizeof(_selected_item->info.server_revision)) != 0)
+ } else if (strncmp(sel->info.server_revision, _openttd_revision, NETWORK_REVISION_LENGTH - 1) != 0) {
+ if (strncmp(sel->info.server_revision, NOREV_STRING, sizeof(sel->info.server_revision)) != 0)
SETBIT(w->disabled_state, 17); // Revision mismatch, join button disabled
}
@@ -139,11 +141,11 @@ static void NetworkGameWindowWndProc(Window *w, WindowEvent *e)
}
while (cur_item != NULL) {
- bool compatible = (strncmp(cur_item->info.server_revision, _openttd_revision, NETWORK_REVISION_LENGTH - 1) == 0);
- if (strncmp(cur_item->info.server_revision, NOREV_STRING, sizeof(cur_item->info.server_revision)) == 0)
- compatible = true;
+ bool compatible =
+ !strncmp(cur_item->info.server_revision, _openttd_revision, NETWORK_REVISION_LENGTH - 1) ||
+ !strncmp(cur_item->info.server_revision, NOREV_STRING, sizeof(cur_item->info.server_revision));
- if (cur_item == _selected_item)
+ if (cur_item == sel)
GfxFillRect(11, y - 2, 218, y + 9, 10); // show highlighted item with a different colour
snprintf(servername, sizeof(servername), "%s", cur_item->info.server_name);
@@ -176,10 +178,10 @@ static void NetworkGameWindowWndProc(Window *w, WindowEvent *e)
// right menu
GfxFillRect(252, 23, 478, 65, 157);
- if (_selected_item == NULL) {
+ if (sel == NULL) {
DrawStringMultiCenter(365, 40, STR_NETWORK_GAME_INFO, 0);
- } else if (!_selected_item->online) {
- SetDParamStr(0, _selected_item->info.server_name);
+ } else if (!sel->online) {
+ SetDParamStr(0, sel->info.server_name);
DrawStringMultiCenter(365, 42, STR_ORANGE, 2); // game name
DrawStringMultiCenter(365, 110, STR_NETWORK_SERVER_OFFLINE, 2); // server offline
@@ -189,56 +191,60 @@ static void NetworkGameWindowWndProc(Window *w, WindowEvent *e)
DrawStringMultiCenter(365, 30, STR_NETWORK_GAME_INFO, 0);
- SetDParamStr(0, _selected_item->info.server_name);
+ SetDParamStr(0, sel->info.server_name);
DrawStringMultiCenter(365, 42, STR_ORANGE, 2); // game name
- SetDParamStr(0, _selected_item->info.map_name);
+ SetDParamStr(0, sel->info.map_name);
DrawStringMultiCenter(365, 54, STR_02BD, 2); // map name
- SetDParam(0, _selected_item->info.clients_on);
- SetDParam(1, _selected_item->info.clients_max);
+ SetDParam(0, sel->info.clients_on);
+ SetDParam(1, sel->info.clients_max);
DrawString(260, y, STR_NETWORK_CLIENTS, 2); // clients on the server / maximum slots
y+=10;
- SetDParam(0, STR_NETWORK_LANG_ANY+_selected_item->info.server_lang);
- DrawString(260, y, STR_NETWORK_LANGUAGE, 2); // server language
+ if (sel->info.server_lang < NETWORK_NUM_LANGUAGES) {
+ SetDParam(0, STR_NETWORK_LANG_ANY+sel->info.server_lang);
+ DrawString(260, y, STR_NETWORK_LANGUAGE, 2); // server language
+ }
y+=10;
- SetDParam(0, STR_TEMPERATE_LANDSCAPE+_selected_item->info.map_set);
- DrawString(260, y, STR_NETWORK_TILESET, 2); // tileset
+ if (sel->info.map_set < NUM_LANDSCAPE ) {
+ SetDParam(0, STR_TEMPERATE_LANDSCAPE+sel->info.map_set);
+ DrawString(260, y, STR_NETWORK_TILESET, 2); // tileset
+ }
y+=10;
- SetDParam(0, _selected_item->info.map_width);
- SetDParam(1, _selected_item->info.map_height);
+ SetDParam(0, sel->info.map_width);
+ SetDParam(1, sel->info.map_height);
DrawString(260, y, STR_NETWORK_MAP_SIZE, 2); // map size
y+=10;
- SetDParamStr(0, _selected_item->info.server_revision);
+ SetDParamStr(0, sel->info.server_revision);
DrawString(260, y, STR_NETWORK_SERVER_VERSION, 2); // server version
y+=10;
- SetDParamStr(0, _selected_item->info.hostname);
- SetDParam(1, _selected_item->port);
+ SetDParamStr(0, sel->info.hostname);
+ SetDParam(1, sel->port);
DrawString(260, y, STR_NETWORK_SERVER_ADDRESS, 2); // server address
y+=10;
- SetDParam(0, _selected_item->info.start_date);
+ SetDParam(0, sel->info.start_date);
DrawString(260, y, STR_NETWORK_START_DATE, 2); // start date
y+=10;
- SetDParam(0, _selected_item->info.game_date);
+ SetDParam(0, sel->info.game_date);
DrawString(260, y, STR_NETWORK_CURRENT_DATE, 2); // current date
y+=10;
y+=2;
- if (strncmp(_selected_item->info.server_revision, _openttd_revision, NETWORK_REVISION_LENGTH - 1) != 0) {
- if (strncmp(_selected_item->info.server_revision, NOREV_STRING, sizeof(_selected_item->info.server_revision)) != 0)
+ if (strncmp(sel->info.server_revision, _openttd_revision, NETWORK_REVISION_LENGTH - 1) != 0) {
+ if (strncmp(sel->info.server_revision, NOREV_STRING, sizeof(sel->info.server_revision)) != 0)
DrawStringMultiCenter(365, y, STR_NETWORK_VERSION_MISMATCH, 2); // server mismatch
- } else if (_selected_item->info.clients_on == _selected_item->info.clients_max) {
+ } else if (sel->info.clients_on == sel->info.clients_max) {
// Show: server full, when clients_on == clients_max
DrawStringMultiCenter(365, y, STR_NETWORK_SERVER_FULL, 2); // server full
- } else if (_selected_item->info.use_password)
+ } else if (sel->info.use_password)
DrawStringMultiCenter(365, y, STR_NETWORK_PASSWORD, 2); // password warning
y+=10;