Added support for viewpointvalue command (#3754)

Additionally added a script command to update the player's camera.
Added a new atcommand camerainfo for this, which is limited to admins.

Credits to @4144 for finding /setcamera

src/map/script.cpp

@@ -24043,6 +24043,23 @@ BUILDIN_FUNC(is_party_leader)
 	return SCRIPT_CMD_SUCCESS;
 }
 
+BUILDIN_FUNC( camerainfo ){
+#if PACKETVER < 20160525
+	ShowError("buildin_camerainfo: This command requires PACKETVER 2016-05-25 or newer.\n");
+	return SCRIPT_CMD_FAILURE;
+#else
+	struct map_session_data* sd;
+
+	if( !script_charid2sd( 5, sd ) ){
+		return SCRIPT_CMD_FAILURE;
+	}
+
+	clif_camerainfo( sd, false, script_getnum( st, 2 ) / 100.0f, script_getnum( st, 3 ) / 100.0f, script_getnum( st, 4 ) / 100.0f );
+
+	return SCRIPT_CMD_SUCCESS;
+#endif
+}
+
 #include "../custom/script.inc"
 
 // declarations that were supposed to be exported from npc_chat.c
@@ -24705,6 +24722,7 @@ struct script_function buildin_func[] = {
 	BUILDIN_DEF(identifyall,"??"),
 	BUILDIN_DEF(is_guild_leader,"?"),
 	BUILDIN_DEF(is_party_leader,"?"),
+	BUILDIN_DEF(camerainfo,"iii?"),
 #include "../custom/script_def.inc"
 
 	{NULL,NULL,NULL},