- fixed terrain music restarting every tile

- field "contact" for mod.json schema

client/CMusicHandler.cpp

@@ -367,6 +367,7 @@ void CMusicHandler::playMusicFromSet(std::string whichSet, bool loop)
 	if (current && current->isSet(whichSet))
 		return;
 
+	// in this mode - play random track from set
 	queueNext(this, whichSet, "", loop);
 }
 
@@ -390,7 +391,8 @@ void CMusicHandler::playMusicFromSet(std::string whichSet, int entryID, bool loo
 	if (current && current->isTrack( selectedEntry->second))
 		return;
 
-	queueNext(this, whichSet, "", loop);
+	// in this mode - play specific track from set
+	queueNext(this, "", selectedEntry->second, loop);
 }
 
 void CMusicHandler::queueNext(unique_ptr<MusicEntry> queued)

config/schemas/mod.json

@@ -3,7 +3,7 @@
 	"$schema": "http://json-schema.org/draft-04/schema",
 	"title" : "VCMI mod file format",
 	"description" : "Format used to define main mod file (mod.json) in VCMI",
-	"required" : [ "name", "description", "version", "author" ],
+	"required" : [ "name", "description", "version", "author", "contact" ],
 
 	"additionalProperties" : false,
 	"properties":{
@@ -31,7 +31,7 @@
 			"description": "Author of the mod. Can be nickname, real name or name of team"
 		},
 
-		"weblink" : {
+		"contact" : {
 			"type":"string",
 			"description": "Home page of mod or link to forum thread"
 		},