envir.pas

传奇2...飘飘M2的源码.曾经是传奇"龙"版用得最好的M2程序.完整M2源码

                if MapCellInfo.ObjList.Count > 0 then Continue;
                if MapCellInfo.ObjList.Count <= 0 then begin
                  FreeAndNil(MapCellInfo.ObjList);
                  break;
                end;
              end;
              Inc(n18);
            end;
          end else begin
            Result := -2;
          end;
        except
          OSObject := nil;
          MainOutMessage(format(sExceptionMsg1, [btType]));
        end;
      end else Result := -3;
    end else Result := 0;
  except
    MainOutMessage(format(sExceptionMsg2, [btType]));
  end;
end;

function TEnvirnoment.GetItem(nX, nY: Integer): PTMapItem;
var
  I: Integer;
  MapCellInfo: pTMapCellinfo;
  OSObject: pTOSObject;
  BaseObject: TBaseObject;
begin
  Result := nil;
  bo2C := False;
  if GetMapCellInfo(nX, nY, MapCellInfo) and (MapCellInfo.chFlag = 0) then begin
    bo2C := True;
    if MapCellInfo.ObjList <> nil then begin
      for I := 0 to MapCellInfo.ObjList.Count - 1 do begin
        OSObject := MapCellInfo.ObjList.Items[I];
        if OSObject <> nil then begin
          if OSObject.btType = OS_ITEMOBJECT then begin
            Result := PTMapItem(OSObject.CellObj);
            Exit;
          end;
          if OSObject.btType = OS_GATEOBJECT then
            bo2C := False;
          if OSObject.btType = OS_MOVINGOBJECT then begin
            BaseObject := TBaseObject(OSObject.CellObj);
            if not BaseObject.m_boDeath then
              bo2C := False;
          end;
        end;
      end;
    end;
  end;
end;

function TMapManager.GetMapOfServerIndex(sMapName: string): Integer;
var
  I: Integer;
  Envir: TEnvirnoment;
begin
  Result := 0;
  Lock;
  try
    for I := 0 to Count - 1 do begin
      Envir := Items[I];
      if (CompareText(Envir.sMapName, sMapName) = 0) then begin
        Result := Envir.nServerIndex;
        break;
      end;
    end;
  finally
    UnLock;
  end;
end;

procedure TMapManager.LoadMapDoor;
var
  I: Integer;
begin
  for I := 0 to Count - 1 do begin
    TEnvirnoment(Items[I]).AddDoorToMap;
  end;
end;
procedure TMapManager.ProcessMapDoor;
begin

end;

procedure TMapManager.ReSetMinMap;
var
  I, ii: Integer;
  Envirnoment: TEnvirnoment;
begin
  for I := 0 to Count - 1 do begin
    Envirnoment := TEnvirnoment(Items[I]);
    for ii := 0 to MiniMapList.Count - 1 do begin
      if CompareText(MiniMapList.Strings[ii], Envirnoment.sMapName) = 0 then begin
        Envirnoment.nMinMap := Integer(MiniMapList.Objects[ii]);
        break;
      end;
    end;
  end;
end;

function TEnvirnoment.IsCheapStuff: Boolean; //004B6E24
begin
  if m_QuestList.Count > 0 then Result := True
  else Result := False;
end;

function TEnvirnoment.AddToMapMineEvent(nX, nY: Integer; nType: Integer; Event: TObject): TObject; //004B6600
var
  MapCellInfo: pTMapCellinfo;
  OSObject: pTOSObject;
  bo19, bo1A: Boolean;
resourcestring
  sExceptionMsg = '[Exception] TEnvirnoment::AddToMapMineEvent ';
begin
  Result := nil;
  try
    bo19 := GetMapCellInfo(nX, nY, MapCellInfo);
    bo1A := False;
    if bo19 and (MapCellInfo.chFlag <> 0) then begin
      if MapCellInfo.ObjList = nil then MapCellInfo.ObjList := TList.Create;
      if not bo1A then begin
        New(OSObject);
        OSObject.btType := nType;
        OSObject.CellObj := Event;
        OSObject.dwAddTime := GetTickCount();
        MapCellInfo.ObjList.Add(OSObject);
        Result := Event;
      end;
    end;
  except
    MainOutMessage(sExceptionMsg);
  end;
end;

procedure TEnvirnoment.VerifyMapTime(nX, nY: Integer; BaseObject: TObject);
var
  I: Integer;
  MapCellInfo: pTMapCellinfo;
  OSObject: pTOSObject;
  boVerify: Boolean;
resourcestring
  sExceptionMsg = '[Exception] TEnvirnoment::VerifyMapTime';
begin
  try
    boVerify := False;
    if GetMapCellInfo(nX, nY, MapCellInfo) and (MapCellInfo <> nil) and (MapCellInfo.ObjList <> nil) then begin
      for I := 0 to MapCellInfo.ObjList.Count - 1 do begin
        OSObject := MapCellInfo.ObjList.Items[I];
        if (OSObject <> nil) and (OSObject.btType = OS_MOVINGOBJECT) and (OSObject.CellObj = BaseObject) then begin
          OSObject.dwAddTime := GetTickCount();
          boVerify := True;
          break;
        end;
      end;
    end;
    if not boVerify then
      AddToMap(nX, nY, OS_MOVINGOBJECT, BaseObject);
  except
    MainOutMessage(sExceptionMsg);
  end;
end;

constructor TEnvirnoment.Create; //004B5318
begin
  Pointer(MapCellArray) := nil;
  sMapName := '';
  sSubMapName := '';
  sMainMapName := '';
  m_boMainMap := False;
  nServerIndex := 0;
  nMinMap := 0;
  m_nWidth := 0;
  m_nHeight := 0;
  m_boDARK := False;
  m_boDAY := False;
  m_nMonCount := 0;
  m_nHumCount := 0; ;
  m_DoorList := TList.Create;
  m_QuestList := TList.Create;
end;

destructor TEnvirnoment.Destroy;
var
  I: Integer;
  MapCellInfo: pTMapCellinfo;
  OSObject: pTOSObject;
  nX, nY: Integer;
  DoorInfo: pTDoorInfo;
begin
  for nX := 0 to m_nWidth - 1 do begin
    for nY := 0 to m_nHeight - 1 do begin
      if GetMapCellInfo(nX, nY, MapCellInfo) and (MapCellInfo.ObjList <> nil) then begin
        for I := 0 to MapCellInfo.ObjList.Count - 1 do begin
          OSObject := MapCellInfo.ObjList.Items[I];
          case OSObject.btType of
            OS_ITEMOBJECT: DisPose(PTMapItem(OSObject.CellObj));
            OS_GATEOBJECT: DisPose(pTGateObj(OSObject.CellObj));
            OS_EVENTOBJECT: TEvent(OSObject.CellObj).Free;
          end;
          DisPoseAndNil(OSObject);
        end;
        FreeAndNil(MapCellInfo.ObjList);
      end;
    end;
  end;

  for I := 0 to m_DoorList.Count - 1 do begin
    DoorInfo := m_DoorList.Items[I];
    Dec(DoorInfo.Status.nRefCount);
    if DoorInfo.Status.nRefCount <= 0 then
      DisPose(DoorInfo.Status);

    DisPose(DoorInfo);
  end;
  m_DoorList.Free;
  for I := 0 to m_QuestList.Count - 1 do begin
    DisPose(pTMapQuestInfo(m_QuestList.Items[I]));
  end;
  m_QuestList.Free;
  FreeMem(MapCellArray);
  Pointer(MapCellArray) := nil;
  inherited;
end;



function TEnvirnoment.LoadMapData(sMapFile: string): Boolean; //004B54E0
var
  fHandle: Integer;
  Header: TMapHeader;
  nMapSize: Integer;
  n24, nW, nH: Integer;
  MapBuffer: pTMap;
  Point: Integer;
  Door: pTDoorInfo;
  I: Integer;
  MapCellInfo: pTMapCellinfo;
begin
  Result := False;
  if FileExists(sMapFile) then begin
    fHandle := FileOpen(sMapFile, fmOpenRead or fmShareExclusive);
    if fHandle > 0 then begin
      FileRead(fHandle, Header, SizeOf(TMapHeader));
      m_nWidth := Header.wWidth;
      m_nHeight := Header.wHeight;
      Initialize(m_nWidth, m_nHeight);
      nMapSize := m_nWidth * SizeOf(TMapUnitInfo) * m_nHeight;

      MapBuffer := AllocMem(nMapSize);
      FileRead(fHandle, MapBuffer^, nMapSize);

      for nW := 0 to m_nWidth - 1 do begin
        n24 := nW * m_nHeight;
        for nH := 0 to m_nHeight - 1 do begin
          if (MapBuffer[n24 + nH].wBkImg) and $8000 <> 0 then begin
            MapCellInfo := @MapCellArray[n24 + nH];
            MapCellInfo.chFlag := 1;
          end; //004B5601
          if MapBuffer[n24 + nH].wFrImg and $8000 <> 0 then begin
            MapCellInfo := @MapCellArray[n24 + nH];
            MapCellInfo.chFlag := 2;
          end; //004B562C
          if MapBuffer[n24 + nH].btDoorIndex and $80 <> 0 then begin
            Point := (MapBuffer[n24 + nH].btDoorIndex and $7F);
            if Point > 0 then begin
              New(Door);
              Door.nX := nW;
              Door.nY := nH;
              Door.n08 := Point;
              Door.Status := nil;
              for I := 0 to m_DoorList.Count - 1 do begin
                if abs(pTDoorInfo(m_DoorList.Items[I]).nX - Door.nX) <= 10 then begin
                  if abs(pTDoorInfo(m_DoorList.Items[I]).nY - Door.nY) <= 10 then begin
                    if pTDoorInfo(m_DoorList.Items[I]).n08 = Point then begin
                      Door.Status := pTDoorInfo(m_DoorList.Items[I]).Status;
                      Inc(Door.Status.nRefCount);
                      break;
                    end;
                  end;
                end;
              end; //004B5730
              if Door.Status = nil then begin
                New(Door.Status);
                Door.Status.boOpened := False;
                Door.Status.bo01 := False;
                Door.Status.n04 := 0;
                Door.Status.dwOpenTick := 0;
                Door.Status.nRefCount := 1;
              end;
              m_DoorList.Add(Door);
            end; //004B5780
          end;
        end; //004B578C
      end; //004B5798
      //Dispose(MapBuffer);

      FreeMem(MapBuffer);

      FileClose(fHandle);
      Result := True;
    end; //004B57B1
  end; //004B57B1
end;

procedure TEnvirnoment.Initialize(nWidth, nHeight: Integer); //004B53FC
var
  nW, nH: Integer;
  MapCellInfo: pTMapCellinfo;
begin
  if (nWidth > 1) and (nHeight > 1) then begin
    if MapCellArray <> nil then begin
      for nW := 0 to m_nWidth - 1 do begin
        for nH := 0 to m_nHeight - 1 do begin
          MapCellInfo := @MapCellArray[nW * m_nHeight + nH];
          if MapCellInfo.ObjList <> nil then begin
            FreeAndNil(MapCellInfo.ObjList);
          end;
        end;
      end;
      FreeMem(MapCellArray);
      Pointer(MapCellArray) := nil;
    end; //004B54AF
    m_nWidth := nWidth;
    m_nHeight := nHeight;
    Pointer(MapCellArray) := AllocMem((m_nWidth * m_nHeight) * SizeOf(TMapCellinfo));
  end; //004B54DB
end;

//nFlag,boFlag,Monster,Item,Quest,boGrouped
function TEnvirnoment.CreateQuest(nFlag, nValue: Integer; s24, s28, s2C: string;
  boGrouped: Boolean): Boolean; //004B6C3C
var
  MapQuest: pTMapQuestInfo;
  MapMerchant: TMerchant;
begin
  Result := False;
  if nFlag < 0 then Exit;
  New(MapQuest);
  MapQuest.nFlag := nFlag;
  if nValue > 1 then nValue := 1;
  MapQuest.nValue := nValue;
  if s24 = '*' then s24 := '';
  MapQuest.s08 := s24;
  if s28 = '*' then s28 := '';
  MapQuest.s0C := s28;
  if s2C = '*' then s2C := '';

  MapQuest.bo10 := boGrouped;
  MapMerchant := TMerchant.Create;
  MapMerchant.m_sMapName := '0';
  MapMerchant.m_nCurrX := 0;
  MapMerchant.m_nCurrY := 0;
  MapMerchant.m_sCharName := s2C;
  MapMerchant.m_nFlag := 0;
  MapMerchant.m_wAppr := 0;
  MapMerchant.m_sFilePath := 'MapQuest_def\';
  MapMerchant.m_boIsHide := True;
  MapMerchant.m_boIsQuest := False;

  UserEngine.QuestNPCList.Add(MapMerchant);
  MapQuest.NPC := MapMerchant;
  m_QuestList.Add(MapQuest);
  Result := True;
end;

function TEnvirnoment.GetXYObjCount(nX, nY: Integer): Integer;
var
  I: Integer;
  MapCellInfo: pTMapCellinfo;
  OSObject: pTOSObject;
  BaseObject: TBaseObject;
begin
  Result := 0;
  if GetMapCellInfo(nX, nY, MapCellInfo) and (MapCellInfo.ObjList <> nil) then begin
    for I := 0 to MapCellInfo.ObjList.Count - 1 do begin
      OSObject := MapCellInfo.ObjList.Items[I];
      if (OSObject <> nil) and (OSObject.btType = OS_MOVINGOBJECT) then begin
        BaseObject := TBaseObject(OSObject.CellObj);
        if BaseObject <> nil then begin
          if not BaseObject.m_boGhost and
            BaseObject.bo2B9 and
            not BaseObject.m_boDeath and
            not BaseObject.m_boFixedHideMode and
            not BaseObject.m_boObMode then begin
            Inc(Result);
          end;
        end;
      end;
    end;
  end;
end;

function TEnvirnoment.GetNextPosition(sX, sY, nDir, nFlag: Integer; var snx: Integer; var sny: Integer): Boolean;
begin