(*
Smart
=====

The Smart file stores all the functions and procedures used to initiate SMART
in scripts.  To use SMART in a script, simply add the following code before SRL is
included.

.. code-block:: pascal

    {$DEFINE SMART}

The source for this file can be found `here <https://github.com/SRL/SRL-6/blob/master/lib/misc/smart.simba>`_.

*)

{$loadlib libsmartremote}

{$f-}

(*
const URL
~~~~~~~~~
  The Runescape web address for SMART to load.
*)
const
  SMART_URL = 'http://www.runescape.com/game.ws?j=1';

(*
var SMART plugins
~~~~~~~~~~~~~~~~~
  A TStringArray of smart plugins
*)
var
  smartPlugins: TStringArray = ['OpenGL32.dll', 'd3d9.dll'];

(*
var User Set
~~~~~~~~~~~~

Variables that can be used in scripts.

  * smartGetJavaPath - If enabled will attempt to find your java path
  * smartShowConole - If enabled will show the java console else wont.
  * smartForceNewClient - If enabled will skip attempting to pair to a previously spawned client
  * smartEnableDrawing - If enabled will allow drawing on smart.
  * smartInitSeq - Key that smart will press while smart is loading.
  * smartUserAgent -
  * smartResetAttempts - The max attempts to respawn SMART during sixHourFix()

*)
var
  smartGetJavaPath: boolean := true;
  smartShowConsole: boolean := true;
  smartForceNewClient: boolean := false;
  smartEnableDrawing: boolean := false;
  smartInitSeq: string := '';
  smartUserAgent: string := '';
  smartResetAttempts: integer = 5;

{*
var Internal
~~~~~~~~~~~~

Internal SMART variables used only in smart.simba.
    ** Target <> PID. PID for identifying smarts. Target for targetting a specific applet and cleaning up.
    * __smartCurrentPid: Keeps track of the current smart PID.
    * __smartCurrentTarget: Keeps track of the current smart target.
    * __smartIsDrawingSetup: Keeps track if smart drawing is setup or not.
    * __smartNativeDebugButtonID: The id of the debug button (if not using a native button) set as -1.
    * smartClientWidth, smartClientHeight - The dimensions of the smart client
    * smartImage: TMufasaBitmap that is displayed onto smart.
*}
{$IFNDEF CODEINSIGHT}
  __smartCurrentPid: integer := 0;
  __smartCurrentTarget: integer := 0;
  __smartIsDrawingSetup: boolean := False;
  __smartNativeDebugButtonID: integer := 101;
  __smartClientWidth: integer := 800;
  __smartClientHeight: integer := 600;
{$ENDIF}
  smartImage: TMufasaBitmap;

(*
findJavaPath
~~~~~~~~~~~~

.. code-block:: pascal

     Function findJavaPath(out res: string): boolean;

Attempts to locate the users java path, will return if succesfull or not

.. note::

    - By: Brandon
    - Last Updated: August 26, 2013 by Olly

Example:

.. code-block:: pascal

   findJavaPath(s);
*)
function findJavaPath(out res: string): boolean;

  function GetDirectoryName(Directory, Path: String): String;
  var
    I: Integer;
    Directories: TStringArray;
  begin
    Directories := GetDirectories(Path);

    for I := 0 To High(Directories) Do
      if ExecRegExpr(Directory, Directories[I]) then
        if (Directories[I] > Result) then
          Result := Directories[I];
  end;

  function FindDirectory(Directory, Path: String): Boolean;
  begin
    Result := Length(GetDirectoryName(Directory, Path)) > 0;
  end;

var
  Drive: String;
  CurrentPath: String;
begin
  result := false;
  res := '';

  drive := Copy(PluginPath, 0, 3);

  if (FindDirectory('Program\sFiles\s\(x86\)', Drive)) then
  begin
    CurrentPath := Drive + 'Program Files (x86)\';
  end else
    CurrentPath := Drive + 'Program Files\';

  if (FindDirectory('Java|java', CurrentPath + '\')) then
  begin
    CurrentPath := CurrentPath + 'Java\';
  end else
    begin
      print('Failed To Find Path: ' + CurrentPath + 'Java\', TDebug.ERROR);
      exit;
    end;

  Drive := GetDirectoryName('jre', CurrentPath);

  if (length(drive) > 0) then
  begin
    if (smartShowConsole) then
      CurrentPath := CurrentPath + Drive + '\bin\java.exe'
    else
      CurrentPath := CurrentPath + Drive + '\bin\javaw.exe';
  end else
    begin
      Drive := GetDirectoryName('jdk', CurrentPath);

      if (smartShowConsole) then
        CurrentPath := CurrentPath + Drive + 'jre\bin\java.exe'
      else
        CurrentPath := CurrentPath + Drive + 'jre\bin\javaw.exe';
    end;

  result := FileExists(CurrentPath);
  res := currentPath;
end;

(*
getJavaPath
~~~~~~~~~~~

.. code-block:: pascal

     function getJavaPath(): string;

Will return the Java path needed for the first parameter of SmartSpawnClient.

.. note::

    - By: Olly
    - Last Updated: August 26, 2013 by Olly

Example:

.. code-block:: pascal

   getJavaPath();
*)
function getJavaPath(): string;
begin
  print('getJavaPath():', TDebug.HEADER);
  {$IFDEF WINDOWS}
  if (not smartGetJavaPath) then
  begin
    if (smartShowConsole) then
      result := 'java.exe'
    else
      result := 'javaw.exe';

    print('Not searching for your Java path. Make sure the JRE is in your system''s PATH before JDK (if you have JDK).', TDebug.WARNING);
    print('getJavaPath()', TDebug.FOOTER);
    exit();
  end;

  print('Attempting to search for your Java path');

  if (findJavaPath(result)) then
    print('Found your java path @ ' + result)
  else begin
    print('Failed to find your Java path', TDebug.WARNING);
    print('If RS is failing to switch to OpenGL mode, add JRE to your systems path before JDK (if you have JDK)', TDebug.HINT);
  end;
  {$ELSE}
  print('Not searching for your Java path. Make sure the JRE is in your system''s PATH before JDK (if you have JDK).', TDebug.WARNING);

  Result := 'java';
  if (not (smartShowConsole)) then
    Result := Result + 'w';
  {$ENDIF}
  print('getJavaPath()', TDebug.FOOTER);
end;

(*
smartSetDebug; overload
~~~~~~~~~~~~~~~~~~~~~~~

.. code-block:: pascal

     procedure smartSetDebug(enable: boolean); overload;

Overloaded function that toggles the debug image on smart without need the target
parameter.

.. note::

    - By: Olly
    - Last Updated: August 26, 2013 by Olly

Example:

.. code-block:: pascal

   smartSetDebug(true);
*)
procedure smartSetDebug(enable: boolean); overload;
begin
  if (__smartNativeDebugButtonID <> -1) then
  begin
    smartSetNativeButton(__smartCurrentTarget, 0, __smartNativeDebugButtonID, not enable);
    smartSetNativeButton(__smartCurrentTarget, 1, __smartNativeDebugButtonID, not enable);
  end else
    smartSetDebug(__smartCurrentTarget, enable);
end;

(*
smartGetParameters
~~~~~~~~~~~~~~~~~~

.. code-block:: pascal

    function smartGetParameters(out params: array of string): boolean;

Attempts to grab the correct parameters for spawning a SMART client. Results if
succesfull or not.

.. note::

    - By: Brandon, Mormanman, Benland100
    - Last Updated: May. 26, 2013 by Olly

Example:

.. code-block:: pascal

*)
function smartGetParameters(out params: TStringArray): boolean;
var
  page: string;
begin
  page := getPage(SMART_URL);

  params := explode(',', between('worldLink=''', ';', page));

  result := (length(params) = 2);

  if (not result) then
  begin
    print('Error while grabbing parameters', TDebug.ERROR);
    print('Make sure you can reach the RS website, and no active firewall is blocking Simba', TDebug.HINT);
    exit(false);
  end;

  print('smartGetParameters(): Succesfully grabbed paramters', TDebug.SUB);
end;

(*
smartSetAsTarget
~~~~~~~~~~~~~~~~

.. code-block:: pascal

     function smartSetAsTarget(pid: integer): boolean;

Pairs Simba to the smart client via EIOS.

.. note::

    - By: Olly
    - Last Updated: August 28, 2013 by Olly

Example:

.. code-block:: pascal

*)
function smartSetAsTarget(pid: Int32): boolean;
begin
  result := true;

  try
    setEIOSTarget('libsmartremote', intToStr(pid));
    print('smartSetAsTarget(): Succesfully set SMART['+ intToStr(pid) +'] as Simba''s target', TDebug.SUB);
  except
    print('smartSetAsTarget(): Failed to set SMART['+ intToStr(pid) +'] as Simba''s target', TDebug.SUB);
    result := false;
  end;
end;

(*
smartCreateClient
~~~~~~~~~~~~~~~~~

.. code-block:: pascal

     procedure smartCreateClient(w, h: integer);

Creates a smart client using the dimensions "w" and "h".

.. note::

    - By: Olly
    - Last Updated: August 28, 2013 by Olly

Example:

.. code-block:: pascal

*)
function smartCreateClient(w, h: integer): boolean;
var
  plugins: string;
  params: TStringArray;
  path: string;
begin
  print('smartCreateClient():', TDebug.HEADER);

  if (not smartGetParameters(params)) then
  begin
    print('Failed to grab parameters', TDebug.FOOTER);
    exit(false);
  end;

  path := getJavaPath();
  plugins := implode(',', smartPlugins);

  print('Using parameters ' + toStr(params));
  print('Using plugins "' + plugins + '"');

  __smartCurrentTarget := 0;
  __smartCurrentTarget := smartSpawnClient(path, stringReplace(PluginPath, '\', '/', [rfReplaceAll]),
                                           params[0], ',' + params[1], w, h, smartInitSeq, smartUserAgent, '', plugins);

  if (__smartCurrentTarget <> 0) then
  begin
    print('Succesfully spawned a client, attempting to target');

    __smartCurrentPID := smartGetClientPID(__smartCurrentTarget);

    if (smartSetAsTarget(__smartCurrentPID)) then
    begin
      print('smartCreateClient(): result = true', TDebug.FOOTER);
      result := true;
    end;
  end else
    print('Failed to spawn a SMART client', TDebug.FOOTER);
end;

(*
smartGetPIDs
~~~~~~~~~~~~

.. code-block:: pascal

     function smartGetPIDs(): TIntegerArray;

Returns all true, non pair PIDs of smart clients.

.. note::

    - By: Olly
    - Last Updated: August 28, 2013 by Olly

Example:

.. code-block:: pascal

*)
function smartGetPIDs(): TIntegerArray;
var
  i, count: Integer;
begin
  count := SmartGetClients(true);
  setLength(result, count);

  if (count > 0) then
    for i := 0 to (count - 1) do
      result[i] := SmartGetAvailablePID(i);
end;

(*
smartPairToExistingClient
~~~~~~~~~~~~~~~~~~~~~~~~~

.. code-block:: pascal

     function smartPairToExistingClient(): boolean;

Attempts to pair us to a previously spawned smart client, will result true if
succesfull or not.

.. note::

    - By: Olly
    - Last Updated: August 28, 2013 by Olly

Example:

.. code-block:: pascal

*)
function smartPairToExistingClient(): boolean;
var
  pidArr: TIntegerArray;
  t: PtrUInt;
  i, p: Int32;
begin
  result := false;

  print('smartPairToExistingClient():', TDebug.HEADER);

  pidArr := smartGetPIDs();

  if (length(pidArr) < 1) then
  begin
    print('Found no free clients to pair to');
    print('smartPairToExistingClient(): result = false', TDebug.FOOTER);
    exit();
  end;

  print('Found ' + intToStr(length(pidArr)) + ' free client(s), attempting to pair to one...');

  for i := 0 to high(pidArr) do
  begin
    t := 0;
    t := SmartPairClient(pidArr[i]);

    if (t <> 0) then
    begin
       p := pidArr[i];

       result := smartSetAsTarget(p);

       if (result) then
       begin
         __smartCurrentPID := p;
         __smartCurrentTarget := t;

         if (not (smartEnabled(__smartCurrentTarget))) then
           smartSetEnabled(__smartCurrentTarget, True);

         print('Succesfully paired to a existing client, SMART['+ intToStr(__smartCurrentPID) +']');
         print('smartPairToExistingClient(): result = true', TDebug.FOOTER);
         addOnTerminate('smartFreeCurrentClient');
         exit();
       end;
    end else begin
      print('Failed to pair to SMART['+ intToStr(pidArr[i]) +']');
      smartFreeClient(t);
    end;
  end;

  print('smartPairToExistingClient(): result = false', TDebug.FOOTER);
end;

(*
initSmart
~~~~~~~~~

.. code-block:: pascal

    procedure initSmart();

Initializes us to a SMART client, will attempt to pair to a existing client, if
that fails we will attempt to spawn a client, will terminate the script if anything
goes wrong.

.. note::

    - By: Olly
    - Last Updated: August 26, 2013 by Olly

Example:

.. code-block:: pascal

*)
function initSmart(forceNew: boolean): boolean;
begin
  print('initSmart():', TDebug.HEADER);

  if (not forceNew) then
  begin
    print('Attempting to pair to a previously spawned client');

    if (smartPairToExistingClient()) then
    begin
      print('Succesfully initialized via pairing to a previously spawned client');
      print('initSmart()', TDebug.FOOTER);
      exit(true);
    end;
  end;

  print('Attempting to spawn a new client..');

  if smartCreateClient(__smartClientWidth, __smartClientHeight) then
  begin
    result := true;
    print('Succesfully initialized via spawning a new client');
  end;

  smartSetDebug(false);
  addOnTerminate('smartFreeCurrentClient');

  print('initSmart()', TDebug.FOOTER);
end;

(*
smartFreeCurrentClient
~~~~~~~~~~~~~~~~~~~~~~

.. code-block:: pascal

     procedure smartFreeCurrentClient();

Free's our current smart client.

.. note::

    - By: Olly
    - Last Updated: August 28, 2013 by Olly

Example:

.. code-block:: pascal

*)
procedure smartFreeCurrentClient();
begin
  try
    smartFreeClient(__smartCurrentTarget);
    print('Succesfully freed SMART[' + intToStr(__smartCurrentPid) + ']');
  except
    print('Error freeing SMART[' + intToStr(__smartCurrentPid) + ']', TDebug.ERROR);
  end;
end;

(*
smartSetupDrawing
~~~~~~~~~~~~~~~~~

.. code-block:: pascal

     procedure smartSetupDrawing();

Setups SMART so its ready to be drawn on-to.

.. note::

    - By: Olly
    - Last Updated: August 28, 2013 by Olly

Example:

.. code-block:: pascal

*)
procedure smartSetupDrawing();
begin
  if (__smartIsDrawingSetup) then
    exit();

  smartSetDebug(true);

  try
    smartImage.init(Client.getMBitmaps());
    smartImage.setName('SMART Debug Image');
    smartImage.setPersistentMemory(SmartDebugArray(__smartCurrentTarget), __smartClientWidth, __smartClientHeight);
    smartImage.drawClear(0);

    print('smartSetupDrawing(): Succesfully setup SMART drawing', TDebug.SUB);
  except
    print('smartSetupDrawing(): Unable to setup SMART drawing', TDebug.FATAL);
  end;

  __smartIsDrawingSetup := true;
  addOnTerminate('smartFreeDrawing');
end;

(*
smartFreeDrawing
~~~~~~~~~~~~~~~~

.. code-block:: pascal

     procedure smartFreeDrawing();

Frees the TMufasaBitmap used for smart drawing.

.. note::

    - By: Olly
    - Last Updated: August 28, 2013 by Olly

Example:

.. code-block:: pascal

*)
procedure smartFreeDrawing();
begin
  try
    smartImage.resetPersistentMemory();
    smartImage.free();
  except finally
    __smartIsDrawingSetup := false;
  end;
end;

(*
smartReloadClient
~~~~~~~~~~~~~~~~~

.. code-block:: pascal

     procedure smartReloadClient();

Kills the current client, and spawns a new one, parameter 'waitTime' is how long
we will wait before spawning a new client after killing our current.

.. note::

    - By: Olly
    - Last Updated: September 20, 2013 by Olly

Example:

.. code-block:: pascal

*)
procedure smartReloadClient(waitTime: integer);
var
  img, r, h, m, s: integer;
begin
  img := -999;
  ConvertTime(waitTime, h, m, s);

  if (__smartIsDrawingSetup) then
  begin
    img := copyBitmap(smartImage.getIndex());
    smartFreeDrawing();
  end;

  r := SmartGetRefresh(__smartCurrentTarget);

  smartFreeCurrentClient();
  smartKillClient(__smartCurrentPID);

  print('Killed our current client. Waiting ' + intToStr(m) + 'm & ' + intToStr(s) + 's before reloading');
  wait(waitTime);

  if initSmart(true) then
  begin
    print('Setting refresh rate back to ' + intToStr(r));
    SmartSetRefresh(__smartCurrentTarget, r);

    if (bitmapExists(img)) then
    begin
      smartSetupDrawing();

      print('Re-drawing the smartImage bitmap');

      getMufasaBitmap(img).drawTransparent(0, 0, smartImage);
      freeBitmap(img);
    end;
  end;

  print('smartReloadClient()', TDebug.FOOTER);
end;

(*
sixHourFix
~~~~~~~~~~

.. code-block:: pascal

     procedure sixHourFix();

Kills the current client, and spawns a new one.

.. note::

    - By: Olly
    - Last Updated: 11 January 2014 by The Mayor

Example:

.. code-block:: pascal

*)
procedure sixHourFix();
var
  i: integer;
begin
  for i := 1 to smartResetAttempts do
  begin
    print('sixHourFix():', TDebug.HEADER);
    print('Reset attempt #' + toStr(i));

    if (players.getActive() < 1) then
      print('No active players, no use in reloading the client!', TDebug.FATAL);

    smartReloadClient((5 * 60000) + random(15000));

    if (waitClientReady()) then
    begin
      print('Client succesfully loaded after reload');

      if (players[currentPlayer].login()) then
      begin
        print('Succesfully logged in after client was reloaded');
        print('sixHourFix()', TDebug.FOOTER);
        exit();
      end else
        print('Failed to login player after restart attempt ' + toStr(i), TDebug.ERROR);
    end else
      if i = smartResetAttempts then
        print('Client never reloaded after ' + toStr(i) + ' attempts', TDebug.FATAL);

    inc(i);
  end;
end;

{$IFNDEF CODEINSIGHT}
procedure __smartCheckPlugins();
var
  dx, ogl: boolean;
begin
  dx := fileExists(pluginPath + 'd3d9.dll');
  ogl := fileExists(pluginPath + 'OpenGL32.dll');

  if (dx = false) and (ogl = false) then
    print('No SMART Plugins found, make sure you update your plugins!', TDebug.FATAL);

  if (dx = true) and (ogl = false) then
    print('Only found the direct-x plugin, you must be in direct-x mode!');

  if (dx = false) and (ogl = true) then
    print('Only found the OpenGL plugin, you must be in OpenGL mode');
end;
{$ENDIF}

begin
  SRL_Events[EVENT_RS_UPDATE] := sixHourFix;

  {$IFDEF WINDOWS}
  __smartCheckPlugins();
  {$ENDIF}
end;

{$f+}