1 files changed, 630 insertions, 0 deletions
diff --git a/src/Classes/UParty.pas b/src/Classes/UParty.pas
new file mode 100644
index 00000000..01a182b1
--- /dev/null
+++ b/src/Classes/UParty.pas
@@ -0,0 +1,630 @@
+unit UParty;
+
+interface
+
+{$IFDEF FPC}
+  {$MODE DELPHI}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses UPartyDefs, UCoreModule, UPluginDefs;
+
+type
+  ARounds = Array [0..252] of Integer; //0..252 needed for
+  PARounds = ^ARounds;
+  
+  TRoundInfo = record
+    Modi:   Cardinal;
+    Winner: Byte;
+  end;
+
+  TeamOrderEntry = record
+    Teamnum: Byte;
+    Score: Byte;
+  end;
+
+  TeamOrderArray = Array[0..5] of Byte;
+
+  TUS_ModiInfoEx = record
+    Info:         TUS_ModiInfo;
+    Owner:        Integer;
+    TimesPlayed:  Byte; //Helper for setting Round Plugins
+  end;
+
+  TPartySession = class (TCoreModule)
+  private
+    bPartyMode: Boolean; //Is this Party or Singleplayer
+    CurRound: Byte;
+
+    Modis: Array of TUS_ModiInfoEx;
+    Teams: TTeamInfo;
+
+    function IsWinner(Player, Winner: Byte): boolean;
+    procedure GenScores;
+    function GetRandomPlugin(TeamMode: Boolean): Cardinal;
+    function GetRandomPlayer(Team: Byte): Byte;
+  public
+    //Teams: TTeamInfo;
+    Rounds: array of TRoundInfo;
+
+    //TCoreModule methods to inherit
+    Constructor Create; override;
+    Procedure Info(const pInfo: PModuleInfo); override;
+    Function Load: Boolean; override;
+    Function Init: Boolean; override;
+    Procedure DeInit; override;
+    Destructor Destroy; override;
+
+    //Register Modi Service
+    Function RegisterModi(nothin: TwParam; pModiInfo: TlParam): integer; //Registers a new Modi. wParam: Pointer to TUS_ModiInfo
+
+    //Start new Party
+    Function StartParty(NumRounds: TwParam; PAofIRounds: TlParam): integer; //Starts new Party Mode. Returns Non Zero on Success
+    Function GetCurModi(wParam: TwParam; lParam: TlParam): integer; //Returns Pointer to Cur. Modis TUS_ModiInfo (to Use with Singscreen)
+    Function StopParty(wParam: TwParam; lParam: TlParam): integer; //Stops Party Mode. Returns 1 If Partymode was enabled before.
+    Function NextRound(wParam: TwParam; lParam: TlParam): integer; //Increases CurRound by 1; Returns num of Round or -1 if last Round is already played
+
+    Function CallModiInit(wParam: TwParam; lParam: TlParam): integer;    //Calls CurModis Init Proc. If an Error occurs, Returns Nonzero. In this Case a New Plugin was Selected. Please renew Loading
+    Function CallModiDeInit(wParam: TwParam; lParam: TlParam): integer;  //Calls DeInitProc and does the RoundEnding
+
+    Function GetTeamInfo(wParam: TwParam; pTeamInfo: TlParam): integer;    //Writes TTeamInfo Record to Pointer at lParam. Returns Zero on Success
+    Function SetTeamInfo(wParam: TwParam; pTeamInfo: TlParam): integer;    //Read TTeamInfo Record from Pointer at lParam. Returns Zero on Success
+
+    Function  GetTeamOrder(wParam: TwParam; lParam: TlParam): integer;     //Returns Team Order. Structure: Bits 1..3: Team at Place1; Bits 4..6: Team at Place2 ...
+    Function  GetWinnerString(wParam: TwParam; lParam: TlParam): integer;  //wParam is Roundnum. If (Pointer = nil) then Return Length of the String. Otherwise Write the String to Address at lParam
+  end;
+
+const
+  StandardModi = 0; //Modi ID that will be played in non party Mode
+
+implementation
+
+uses UCore, UGraphic, UMain, ULanguage, ULog, SysUtils;
+
+{*********************
+  TPluginLoader
+  Implentation
+*********************}
+
+//-------------
+// Function that gives some Infos about the Module to the Core
+//-------------
+Procedure TPartySession.Info(const pInfo: PModuleInfo);
+begin
+  pInfo^.Name := 'TPartySession';
+  pInfo^.Version := MakeVersion(1,0,0,chr(0));
+  pInfo^.Description := 'Manages Party Modi and Party Game';
+end;
+
+//-------------
+// Just the Constructor
+//-------------
+Constructor TPartySession.Create;
+begin
+  inherited;
+  //UnSet PartyMode
+  bPartyMode := False;
+end;
+
+//-------------
+//Is Called on Loading.
+//In this Method only Events and Services should be created
+//to offer them to other Modules or Plugins during the Init process
+//If False is Returned this will cause a Forced Exit
+//-------------
+Function TPartySession.Load: Boolean;
+begin
+  //Add Register Party Modi Service
+  Result := True;
+  Core.Services.AddService('Party/RegisterModi', nil, Self.RegisterModi);
+  Core.Services.AddService('Party/StartParty', nil, Self.StartParty);
+  Core.Services.AddService('Party/GetCurModi', nil, Self.GetCurModi);
+end;
+
+//-------------
+//Is Called on Init Process
+//In this Method you can Hook some Events and Create + Init
+//your Classes, Variables etc.
+//If False is Returned this will cause a Forced Exit
+//-------------
+Function TPartySession.Init: Boolean;
+begin
+  //Just set Prvate Var to true.
+  Result := true;
+end;
+
+//-------------
+//Is Called if this Module has been Inited and there is a Exit.
+//Deinit is in backwards Initing Order
+//-------------
+Procedure TPartySession.DeInit;
+begin
+  //Force DeInit
+
+end;
+
+//-------------
+//Is Called if this Module will be unloaded and has been created
+//Should be used to Free Memory
+//-------------
+Destructor TPartySession.Destroy;
+begin
+  //Just save some Memory if it wasn't done now..
+  SetLength(Modis, 0);
+  inherited;
+end;
+
+//-------------
+// Registers a new Modi. wParam: Pointer to TUS_ModiInfo
+// Service for Plugins
+//-------------
+Function TPartySession.RegisterModi(nothin: TwParam; pModiInfo: TlParam): integer;
+var
+  Len: Integer;
+  Info: PUS_ModiInfo;
+begin
+  Info := PModiInfo;
+  //Copy Info if cbSize is correct
+  If (Info.cbSize = SizeOf(TUS_ModiInfo)) then
+  begin
+    Len := Length(Modis);
+    SetLength(Modis, Len + 1);
+
+    Modis[Len].Info := Info^;
+  end
+  else
+    Core.ReportError(Integer(PChar('Plugins try to Register Modi with wrong Pointer, or wrong TUS_ModiInfo Record.')), PChar('TPartySession'));
+
+  // FIXME: return a valid result
+  Result := 0;
+end;
+
+//----------
+// Returns a Number of a Random Plugin
+//----------
+Function TPartySession.GetRandomPlugin(TeamMode: Boolean): Cardinal;
+var
+  LowestTP: Byte;
+  NumPwithLTP: Word;
+  I: Integer;
+  R: Word;
+begin
+  Result := StandardModi; //If there are no matching Modis, Play StandardModi
+  LowestTP := high(Byte);
+  NumPwithLTP := 0;
+
+  //Search for Plugins not often played yet
+  For I := 0 to high(Modis) do
+  begin
+    if (Modis[I].TimesPlayed < lowestTP) And (((Modis[I].Info.LoadingSettings AND MLS_TeamOnly) <> 0) = TeamMode) then
+    begin
+      lowestTP := Modis[I].TimesPlayed;
+      NumPwithLTP := 1;
+    end
+    else if (Modis[I].TimesPlayed = lowestTP) And (((Modis[I].Info.LoadingSettings AND MLS_TeamOnly) <> 0) = TeamMode) then
+    begin
+      Inc(NumPwithLTP);
+    end;
+  end;
+
+  //Create Random No
+  R := Random(NumPwithLTP);
+
+  //Search for Random Plugin
+  For I := 0 to high(Modis) do
+  begin
+    if (Modis[I].TimesPlayed = lowestTP) And (((Modis[I].Info.LoadingSettings AND MLS_TeamOnly) <> 0) = TeamMode) then
+    begin
+      //Plugin Found
+      if (R = 0) then
+      begin
+        Result := I;
+        Inc(Modis[I].TimesPlayed);
+        Break;
+      end;
+
+      Dec(R);
+    end;
+  end;
+end;
+
+//----------
+// Starts new Party Mode. Returns Non Zero on Success
+//----------
+Function TPartySession.StartParty(NumRounds: TwParam; PAofIRounds: TlParam): integer;
+var
+  I: Integer;
+  aiRounds: PARounds;
+  TeamMode: Boolean;
+begin
+  Result := 0;
+  If (Teams.NumTeams >= 1) AND (NumRounds < High(Byte)-1) then
+  begin
+    bPartyMode := false;
+    aiRounds := PAofIRounds;
+
+    Try
+      //Is this Teammode(More then one Player per Team) ?
+      TeamMode := True;
+      For I := 0 to Teams.NumTeams-1 do
+        TeamMode := TeamMode AND (Teams.Teaminfo[I].NumPlayers > 1);
+
+      //Set Rounds
+      SetLength(Rounds, NumRounds);
+
+      For I := 0 to High(Rounds) do
+      begin //Set Plugins
+        If (aiRounds[I] = -1) then
+          Rounds[I].Modi := GetRandomPlugin(TeamMode)
+        Else If (aiRounds[I] >= 0) AND (aiRounds[I] <= High(Modis)) AND (TeamMode OR ((Modis[aiRounds[I]].Info.LoadingSettings AND MLS_TeamOnly) = 0))  then
+          Rounds[I].Modi := aiRounds[I]
+        Else
+          Rounds[I].Modi := StandardModi;
+
+        Rounds[I].Winner := High(Byte); //Set Winner to Not Played
+      end;
+
+      CurRound := High(Byte); //Set CurRound to not defined
+
+      //Return teh true and Set PartyMode
+      bPartyMode := True;
+      Result := 1;
+
+    Except
+      Core.ReportError(Integer(PChar('Can''t start PartyMode.')), PChar('TPartySession'));
+    end;
+  end;
+end;
+
+//----------
+// Returns Pointer to Cur. ModiInfoEx (to Use with Singscreen)
+//----------
+Function TPartySession.GetCurModi(wParam: TwParam; lParam: TlParam): integer;
+begin
+  If (bPartyMode) AND (CurRound <= High(Rounds)) then
+  begin //If PartyMode is enabled:
+    //Return the Plugin of the Cur Round
+    Result := Integer(@Modis[Rounds[CurRound].Modi]);
+  end
+  else
+  begin //Return StandardModi
+    Result := Integer(@Modis[StandardModi]);
+  end;
+end;
+
+//----------
+// Stops Party Mode. Returns 1 If Partymode was enabled before. And -1 if Change was not possible
+//----------
+Function TPartySession.StopParty(wParam: TwParam; lParam: TlParam): integer;
+begin
+  Result := -1;
+  If (bPartyMode) then
+  begin
+    // to-do : Whit�: Check here if SingScreen is not Shown atm.
+    bPartyMode := False;
+    Result := 1;
+  end
+  else
+    Result := 0;
+end;
+
+//----------
+//GetRandomPlayer - Gives back a Random Player to Play next Round
+//----------
+function TPartySession.GetRandomPlayer(Team: Byte): Byte;
+var
+  I, R: Integer;
+  lowestTP: Byte;
+  NumPwithLTP: Byte;
+begin
+    LowestTP := high(Byte);
+    NumPwithLTP := 0;
+    Result := 0;
+
+    //Search for Players that have not often played yet
+    For I := 0 to Teams.Teaminfo[Team].NumPlayers-1 do
+    begin
+      if (Teams.Teaminfo[Team].Playerinfo[I].TimesPlayed < lowestTP) then
+      begin
+        lowestTP := Teams.Teaminfo[Team].Playerinfo[I].TimesPlayed;
+        NumPwithLTP := 1;
+      end
+      else if (Teams.Teaminfo[Team].Playerinfo[I].TimesPlayed = lowestTP) then
+      begin
+        Inc(NumPwithLTP);
+      end;
+    end;
+
+    //Create Random No
+    R := Random(NumPwithLTP);
+
+    //Search for Random Player
+    For I := 0 to Teams.Teaminfo[Team].NumPlayers-1 do
+    begin
+      if Teams.Teaminfo[Team].Playerinfo[I].TimesPlayed = lowestTP then
+      begin
+        //Player Found
+        if (R = 0) then
+        begin
+          Result := I;
+          Break;
+        end;
+        
+        Dec(R);
+      end;
+    end;
+end;
+
+//----------
+// NextRound - Increases CurRound by 1; Returns num of Round or -1 if last Round is already played
+//----------
+Function TPartySession.NextRound(wParam: TwParam; lParam: TlParam): integer;
+var I: Integer;
+begin
+  If ((CurRound < high(Rounds)) OR (CurRound = high(CurRound))) then
+  begin //everythings OK! -> Start the Round, maaaaan
+    Inc(CurRound);
+
+    //Set Players to play this Round
+    for I := 0 to Teams.NumTeams-1 do
+      Teams.Teaminfo[I].CurPlayer := GetRandomPlayer(I);
+      
+    // FIXME: return a valid result
+    Result := 0;
+  end
+  else
+    Result := -1;
+end;
+
+//----------
+//IsWinner - Returns True if the Players Bit is set in the Winner Byte
+//----------
+function TPartySession.IsWinner(Player, Winner: Byte): boolean;
+var
+  Bit: Byte;
+begin
+  Bit := 1 shl Player;
+
+  Result := ((Winner AND Bit) = Bit);
+end;
+
+//----------
+//GenScores - Inc Scores for Cur. Round
+//----------
+procedure TPartySession.GenScores;
+var
+  I: Byte;
+begin
+  for I := 0 to Teams.NumTeams-1 do
+  begin
+    if isWinner(I, Rounds[CurRound].Winner) then
+      Inc(Teams.Teaminfo[I].Score);
+  end;
+end;
+
+//----------
+// CallModiInit - Calls CurModis Init Proc. If an Error occurs, Returns Nonzero. In this Case a New Plugin was Selected. Please renew Loading
+//----------
+Function TPartySession.CallModiInit(wParam: TwParam; lParam: TlParam): integer;
+begin
+  If (not bPartyMode) then
+  begin //Set Rounds if not in PartyMode
+    SetLength(Rounds, 1);
+    Rounds[0].Modi := StandardModi;
+    Rounds[0].Winner := High(Byte);
+    CurRound := 0;
+  end;
+
+  Try
+    //Core.
+  Except
+    on E : Exception do
+    begin
+      Core.ReportError(Integer(PChar('Error starting Modi: ' + Modis[Rounds[CurRound].Modi].Info.Name + ' ErrorStr: ' + E.Message)), PChar('TPartySession'));
+      If (Rounds[CurRound].Modi = StandardModi) then
+      begin
+        Core.ReportError(Integer(PChar('Can''t start StandardModi, will exit now!')), PChar('TPartySession'));
+        Halt;
+      end
+      Else //Select StandardModi
+      begin
+        Rounds[CurRound].Modi := StandardModi
+      end;
+    end;
+  End;
+
+  // FIXME: return a valid result
+  Result := 0;
+end;
+
+//----------
+// CallModiDeInit - Calls DeInitProc and does the RoundEnding
+//----------
+Function TPartySession.CallModiDeInit(wParam: TwParam; lParam: TlParam): integer;
+var
+  I: Integer;
+  MaxScore: Word;
+begin
+  If (bPartyMode) then
+  begin
+    //Get Winner Byte!
+    if (@Modis[Rounds[CurRound].Modi].Info.ModiDeInit <> nil) then //get Winners from Plugin
+      Rounds[CurRound].Winner := Modis[Rounds[CurRound].Modi].Info.ModiDeInit(Modis[Rounds[CurRound].Modi].Info.ID)
+    else
+    begin //Create winners by Score :/
+      Rounds[CurRound].Winner := 0;
+      MaxScore := 0;
+      for I := 0 to Teams.NumTeams-1 do
+      begin
+        // to-do : recode Percentage stuff
+        //PlayerInfo.Playerinfo[I].Percentage := PlayerInfo.Playerinfo[I].Score div 9999;
+        if (Player[I].ScoreTotalInt > MaxScore) then
+        begin
+          MaxScore := Player[I].ScoreTotalInt;
+          Rounds[CurRound].Winner := 1 shl I;
+        end
+        else if (Player[I].ScoreTotalInt = MaxScore) AND (Player[I].ScoreTotalInt <> 0) then
+        begin
+          Rounds[CurRound].Winner := Rounds[CurRound].Winner or (1 shl I);
+        end;
+      end;
+
+
+      //When nobody has Points -> Everybody loose
+      if (MaxScore = 0) then
+        Rounds[CurRound].Winner := 0;
+
+    end;
+
+    //Generate teh Scores
+    GenScores;
+
+    //Inc Players TimesPlayed
+    If ((Modis[Rounds[CurRound-1].Modi].Info.LoadingSettings AND MLS_IncTP) = MLS_IncTP) then
+    begin
+      For I := 0 to Teams.NumTeams-1 do
+        Inc(Teams.TeamInfo[I].Playerinfo[Teams.TeamInfo[I].CurPlayer].TimesPlayed);
+    end;
+  end
+  else if (@Modis[Rounds[CurRound].Modi].Info.ModiDeInit <> nil) then
+    Modis[Rounds[CurRound].Modi].Info.ModiDeInit(Modis[Rounds[CurRound].Modi].Info.ID);
+
+  // FIXME: return a valid result
+  Result := 0;
+end;
+
+//----------
+// GetTeamInfo - Writes TTeamInfo Record to Pointer at lParam. Returns Zero on Success
+//----------
+Function TPartySession.GetTeamInfo(wParam: TwParam; pTeamInfo: TlParam): integer;
+var Info: ^TTeamInfo;
+begin
+  Result := -1;
+  Info := pTeamInfo;
+  If (Info <> nil) then
+  begin
+    Try
+      // to - do : Check Delphi memory management in this case
+      //Not sure if i had to copy PChars to a new address or if delphi manages this o0
+      Info^  := Teams;
+      Result := 0;
+    Except
+      Result := -2;
+    End;
+  end;
+end;
+
+//----------
+// SetTeamInfo - Read TTeamInfo Record from Pointer at lParam. Returns Zero on Success
+//----------
+Function TPartySession.SetTeamInfo(wParam: TwParam; pTeamInfo: TlParam): integer;
+var
+  TeamInfobackup: TTeamInfo;
+  Info: ^TTeamInfo;
+begin
+  Result := -1;
+  Info := pTeamInfo;
+  If (Info <> nil) then
+  begin
+    Try
+      TeamInfoBackup := Teams;
+      // to - do : Check Delphi memory management in this case
+      //Not sure if i had to copy PChars to a new address or if delphi manages this o0
+      Teams := Info^;
+      Result := 0;
+    Except
+      Teams := TeamInfoBackup;
+      Result := -2;
+    End;
+  end;
+end;
+
+//----------
+// GetTeamOrder - Returns Team Order. Structure: Bits 1..3: Team at Place1; Bits 4..6: Team at Place2 ...
+//----------
+Function  TPartySession.GetTeamOrder(wParam: TwParam; lParam: TlParam): integer;
+var
+  I, J: Integer;
+  ATeams: array [0..5] of TeamOrderEntry;
+  TempTeam: TeamOrderEntry;
+begin
+  // to-do : PartyMode: Write this in another way, so that teams with the same scire get the same Placing
+  //Fill Team Array
+  For I := 0 to Teams.NumTeams-1 do
+  begin
+    ATeams[I].Teamnum := I;
+    ATeams[I].Score := Teams.Teaminfo[I].Score;
+  end;
+
+  //Sort Teams
+  for J := 0 to Teams.NumTeams-1 do
+    for I := 1 to Teams.NumTeams-1 do
+      if ATeams[I].Score > ATeams[I-1].Score then
+      begin
+        TempTeam    := ATeams[I-1];
+        ATeams[I-1] := ATeams[I];
+        ATeams[I]   := TempTeam;
+      end;
+
+  //Copy to Result
+  Result := 0;
+  For I := 0 to Teams.NumTeams-1 do
+    Result := Result or (ATeams[I].TeamNum Shl I*3);
+end;
+
+//----------
+// GetWinnerString - wParam is Roundnum. If (Pointer = nil) then Return Length of the String. Otherwise Write the String to Address at lParam
+//----------
+Function  TPartySession.GetWinnerString(wParam: TwParam; lParam: TlParam): integer;
+var
+  Winners: Array of String;
+  I: Integer;
+  ResultStr: String;
+  S: ^String;
+begin
+  ResultStr := Language.Translate('PARTY_NOBODY');
+
+  if (wParam <= High(Rounds)) then
+  begin
+    if (Rounds[wParam].Winner <> 0) then
+    begin
+      if (Rounds[wParam].Winner = 255) then
+      begin
+        ResultStr := Language.Translate('PARTY_NOTPLAYEDYET');
+      end
+      else
+      begin
+        SetLength(Winners, 0);
+        for I := 0 to Teams.NumTeams-1 do
+        begin
+          if isWinner(I, Rounds[wParam].Winner) then
+          begin
+            SetLength(Winners, Length(Winners) + 1);
+            Winners[high(Winners)] := Teams.TeamInfo[I].Name;
+          end;
+        end;
+        ResultStr := Language.Implode(Winners);
+      end;
+    end;
+  end;
+
+  //Now Return what we have got
+  If (lParam = nil) then
+  begin //ReturnString Length
+    Result := Length(ResultStr);
+  end
+  Else
+  begin //Return String
+    Try
+      S := lParam;
+      S^ := ResultStr;
+      Result := 0;
+    Except
+      Result := -1;
+
+    End;
+  end;
+end;
+
+end.