library ErrataGE;

{$mode objfpc}{$H+}

{$R *.res}

uses
  Classes
  { you can add units after this }
  , uHCDefines , uHCGCI, uHCGlobals, uHCTypeDefs, uHCEventHelpers, uHCDateTime
  , uHCAnnexDefs, uHCAnnexHelpers, uLazGUIGlobals, uHCUtils
  , Windows, ShellAPI, SysUtils ;

const
  DLLVERN = 1;
  DLLVERINTN = 43;

var
  gPHarpEventHead: PHCHarpoonEvent;
  gPStartGroup: PHCGroup;

{*** Return DLL internal version, i.e. revision 5 of my DLL ***}
function DLLVer():word;export;cdecl;
begin
  result := DLLVERN;
end;

{*** Return DLL interface version, i.e. revision 1 of my HCE interface spec ***}
function DLLVerInt():word;export;cdecl;
begin
  result := DLLVERINTN;
end;

{*** Return DLL description, 255 characters max ***}
function DLLDesc():PAnsiChar;export;cdecl;
begin
  result := 'perform corrrective tasks within GE at game start by Don Thomas';
end;

{*** Free DLL ***}
procedure DLLFree();export;cdecl;
begin
  // Do any cleanup here, this is the end

end;

{*** Init DLL ***}
procedure DLLInit(hwndHC: HWND; pathHC: PAnsiChar; verHC: PAnsiChar; verSaveGame: LongWord; funcRefs:
 PHCDLL_FUNC_REF; PGEClosing: Pointer; PDLLBusy: Pointer; verInterface:  LongWord;
 srandSeed: longword; harpoon_uuid_session: PAnsiChar; hclicense_dt_expire: Int64;
 hclicense_licensee: PAnsiChar; usblicense_desc: PAnsiChar; RESRSRStructureVersion: ulong;
 AnnexVersion: ushort; GameComponent: uchar; pLosTable: PHCLosTable);export;cdecl;

begin
   uLazGUIGlobals.PDLLBusy:=PDLLBusy;
end;

procedure HarpoonEventHead(HarpEventHead: PHCHarpoonEvent);export;cdecl;
begin
  gPHarpEventHead:= HarpEventHead;
end;

procedure StartGroup(StartGroup: PHCGroup);export;cdecl;
begin
  gPStartGroup:= StartGroup;
end;

procedure ScenLoaded(intWhichRound: Long); export; cdecl;
var
  lPEvent: PHCHarpoonEvent;
  lPEventUnit: PHCUnit;
//  could count corrections and post to staff messages??

begin
if intWhichRound =  SCENLOADED_EXPORTDLLS_DONE
then  //  all systems are go, dlls are loaded, scenario is loaded
  begin          //  250711 repair formation and airPat mismatch groups
  Byte(PDLLBusy^):= CTRUE;    //
  lPEvent := gPHarpEventHead;
while (lPEvent <> nil) do
  begin
    if (lPEvent^.unit_uuid <> '')
    then     //  there's an event unit
      begin
      lPEventUnit:= HCuuid2UnitPtr(lPEvent^.unit_uuid, gPStartGroup, lPEvent^.ourGroup);
      if lPEventUnit <> nil
      then     //  there's a valid event unit
        begin
          if (lPEvent^.ourGroup <> lPEventUnit^.Group)
          then        //  there's a mismatch with event and unit groups assume unit group is correct
             lPEvent^.ourGroup:= lPEventUnit^.Group;
        end
      else   //  there is a nil unit - usually a air-patrol unit was split off but event wasn't updated
        begin
          lPEvent^.unit_uuid:= '';
        end;
      end;  //  there was an event with unit-uuid   otherwise do nothing
  lPEvent := lPEvent^.next;
  end;
  ///
  Byte(PDLLBusy^):= CFALSE;
  end;   //  ended check for bad air patrol and formation event unit assignment
end;


  exports
    DLLVer,
    DLLVerInt,
    DLLDesc,
    DLLFree,
    DLLInit,
    //ScenLoad,
    //MsgLog,
    StartGroup,
    HarpoonEventHead,
    //UnitTop,
    ScenLoaded ;
end.