Show protocol version; small fix to settle on the smaller of supported protocols.

Author: DanielBrockhaus

src/command.c

@@ -2259,8 +2259,10 @@ int command(int cn, char *ptr) // 1=ok, 0=repeat
 
     if ((len = cmdcmp(ptr, "version", 4))) {
         extern volatile int global_online;
+
         log_char(cn, LOG_SYSTEM, 0, "Server Version %d.%d.%d (compiled %s %s)", VERSION >> 24, (VERSION >> 16) & 255, VERSION & 65535, VER_TIME, VER_DATE);
         log_char(cn, LOG_SYSTEM, 0, "Area %d, Mirror %d, %d online (global: %d)", areaID, areaM, online, global_online);
+        log_char(cn, LOG_SYSTEM, 0, "Protocol version %d, view distance %d", get_char_version(cn), get_char_viewdist(cn));
         return 1;
     }
 

src/player.c

@@ -354,7 +354,7 @@ static void read_login(int nr) {
     // clients v1 and better understand SV_PROTOCOL, so we tell them the server version
     if (player[nr]->client_version > 0) {
         buf[0] = SV_PROTOCOL;
-        buf[1] = SERVER_PROTOCOL_VERSION;
+        buf[1] = min(player[nr]->client_version, SERVER_PROTOCOL_VERSION);
         psend(nr, buf, 2);
     }
 
@@ -2854,6 +2854,15 @@ int get_char_version(int cn) {
     else return 0;
 }
 
+int get_char_viewdist(int cn) {
+    int nr;
+
+    if (!player) return 0;
+
+    if ((nr = ch[cn].player) && player[nr]) return player[nr]->dist;
+    else return 0;
+}
+
 void player_areainfo(int nr, unsigned short cmd, unsigned short x, unsigned short y) {
     char buf[80];
 

src/player.h

@@ -159,6 +159,7 @@ unsigned int get_player_addr(int nr);
 void sendquestlog(int cn, int nr);
 int get_player_version(int nr);
 int get_char_version(int cn);
+int get_char_viewdist(int cn);
 
 #define AIC_SETID 0
 #define AIC_CLEAR 1