diff -r 727a154cf784 -r 7c25297720f1 hedgewars/uFLGameConfig.pas
--- a/hedgewars/uFLGameConfig.pas	Sun Sep 28 00:18:01 2014 +0400
+++ b/hedgewars/uFLGameConfig.pas	Sun Sep 28 00:49:04 2014 +0400
@@ -1,12 +1,18 @@
 unit uFLGameConfig;
-
 interface
+uses uFLTypes;
 
 procedure resetGameConfig; cdecl; export;
 procedure runQuickGame; cdecl; export;
 procedure getPreview; cdecl; export;
 
+procedure registerGUIMessagesCallback(p: pointer; f: TGUICallback); cdecl; export;
+
 implementation
+uses uFLIPC, hwengine;
+
+var guiCallbackPointer: pointer;
+    guiCallbackFunction: TGUICallback;
 
 const
     MAXCONFIGS = 5;
@@ -54,9 +60,9 @@
         for i:= 0 to Pred(MAXARGS) do
         begin
             if arguments[i][0] = #255 then 
-                arguments[i][255] = #0
+                arguments[i][255]:= #0
             else
-                arguments[i][byte(arguments[i][0]) + 1] = #0;
+                arguments[i][byte(arguments[i][0]) + 1]:= #0;
             argv[i]:= @arguments[i][1]
         end;
 
@@ -81,9 +87,26 @@
         arguments[1]:= '--internal';
         arguments[2]:= '--landpreview';
         argumentsNumber:= 3;
+
+        queueExecution;
+
+        ipcToEngine('eseed ' + seed);
+        ipcToEngine('e$mapgen 0');
+        ipcToEngine('!');
     end;
+end;
 
-    queueExecution
+procedure engineMessageCallback(p: pointer; msg: PChar; len: Longword);
+begin
+    if len = 128 * 256 then guiCallbackFunction(guiCallbackPointer, mtPreview, msg, len)
+end;
+
+procedure registerGUIMessagesCallback(p: pointer; f: TGUICallback); cdecl; export;
+begin
+    guiCallbackPointer:= p;
+    guiCallbackFunction:= f;
+
+    registerIPCCallback(nil, @engineMessageCallback)
 end;
 
 end.