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  1. unit LevMain;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, MMSystem,
  7.   Dialogs, StdCtrls, ExtCtrls, Menus, DIB, DXClass, DXSprite, DXDraws,
  8.   DXSounds, Spin, ComCtrls{$IF CompilerVersion >= 23.0}, System.UITypes,
  9.   WinAPI.DirectDraw{$ENDIF}, DirectX, ComLevelReader, Global;
  10.  
  11. type
  12.   TMainForm = class(TDXForm)
  13.     MainMenu: TMainMenu;
  14.     Spiel: TMenuItem;
  15.     Beenden: TMenuItem;
  16.     Hilfe: TMenuItem;
  17.     Leer1: TMenuItem;
  18.     Level: TMenuItem;
  19.     Informationen: TMenuItem;
  20.     Enemy1: TRadioButton;
  21.     Enemy2: TRadioButton;
  22.     Enemy3: TRadioButton;
  23.     Enemy4: TRadioButton;
  24.     Enemy5: TRadioButton;
  25.     Enemy6: TRadioButton;
  26.     Enemy7: TRadioButton;
  27.     ScrollBar: TScrollBar;
  28.     Bevel1: TBevel;
  29.     Bevel2: TBevel;
  30.     SelLabel: TLabel;
  31.     SelPanel: TPanel;
  32.     Bevel3: TBevel;
  33.     SLabel1a: TLabel;
  34.     SLabel2a: TLabel;
  35.     SLabel1b: TLabel;
  36.     SLabel2b: TLabel;
  37.     SLabel0: TLabel;
  38.     Neu: TMenuItem;
  39.     Image1: TImage;
  40.     SLabel3a: TLabel;
  41.     SLabel3b: TLabel;
  42.     SLabel4a: TLabel;
  43.     SLabel4b: TLabel;
  44.     LivesLabel: TLabel;
  45.     StatusBar: TStatusBar;
  46.     N1: TMenuItem;
  47.     Spielfelderweitern1: TMenuItem;
  48.     SidePanel: TPanel;
  49.     LivesEdit: TSpinEdit;
  50.     AlleLeveldateienaktualisieren1: TMenuItem;
  51.     procedure DXDrawFinalize(Sender: TObject);
  52.     procedure DXDrawInitialize(Sender: TObject);
  53.     procedure FormCreate(Sender: TObject);
  54.     procedure DXTimerTimer(Sender: TObject; LagCount: Integer);
  55.     procedure BeendenClick(Sender: TObject);
  56.     procedure FormDestroy(Sender: TObject);
  57.     procedure LevelClick(Sender: TObject);
  58.     procedure FormShow(Sender: TObject);
  59.     procedure InformationenClick(Sender: TObject);
  60.     procedure FormClose(Sender: TObject; var Action: TCloseAction);
  61.     procedure DXDrawMouseDown(Sender: TObject; Button: TMouseButton;
  62.       Shift: TShiftState; X, Y: Integer);
  63.     procedure EnemyClick(Sender: TObject);
  64.     procedure NeuClick(Sender: TObject);
  65.     procedure DXDrawMouseMove(Sender: TObject; Shift: TShiftState; X,
  66.       Y: Integer);
  67.     procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
  68.     procedure Spielfelderweitern1Click(Sender: TObject);
  69.     procedure ScrollBarScroll(Sender: TObject; ScrollCode: TScrollCode;
  70.       var ScrollPos: Integer);
  71.     procedure AlleLeveldateienaktualisieren1Click(Sender: TObject);
  72.   public
  73.     { VCL-Ersatz }
  74.     spriteengine: tdxspriteengine;
  75.     dxtimer: tdxtimer;
  76.     imagelist: tdximagelist;
  77.     dxdraw: tdxdraw;
  78.     { Variablen }
  79.     FMenuItem: integer;
  80.     LevData: TLevelData;
  81.     ScrollP: integer;
  82.     AltScrollPos: integer;
  83.     Boss: boolean;
  84.     LevChanged: boolean;
  85.     NumEnemys: integer;
  86.     function SelectedEnemyType: TEnemyType;
  87.     { Grafik-Routinen }
  88.     function GetSpriteGraphic(Sprite: TSpaceMissionGraphicSprite): TPictureCollectionItem;
  89.     { Level-Routinen }
  90.     procedure EnemyCreateSprite(x, y: integer; AEnemyType: TEnemyType; ALives: integer);
  91.     procedure DestroyLevel;
  92.     procedure RefreshFromLevData;
  93.     procedure AnzeigeAct;
  94.     { Initialisiations-Routinen }
  95.     procedure DXInit;
  96.     procedure ProgramInit;
  97.     { Farb-Routinen }
  98.     function ComposeColor(Dest, Src: TRGBQuad; Percent: Integer): TRGBQuad;
  99.     procedure PalleteAnim(Col: TRGBQuad; Time: Integer);
  100.   end;
  101.  
  102. var
  103.   MainForm: TMainForm;
  104.  
  105. implementation
  106.  
  107. uses
  108.   LevSplash, LevSpeicherung, ComInfo, LevOptions;
  109.  
  110. {$R *.DFM}
  111.  
  112. type
  113.   TBackground = class(TBackgroundSprite)
  114.   strict protected
  115.     procedure DoMove(MoveCount: Integer); override;
  116.   end;
  117.  
  118.   TEnemy = class(TImageSprite)
  119.   strict private
  120.     FLives: integer;
  121.     FEnemyType: TEnemyType;
  122.     FXCor: integer;
  123.     FCorInit: boolean;
  124.   strict protected
  125.     procedure DoMove(MoveCount: Integer); override;
  126.   public
  127.     constructor Create(AParent: TSprite; AEnemyType: TEnemyType; ALives: Integer); reintroduce;
  128.   end;
  129.  
  130. { TBackground }
  131.  
  132. procedure TBackground.DoMove(MoveCount: Integer);
  133. begin
  134.   X := -(MainForm.ScrollP * RasterW);
  135. end;
  136.  
  137. { TEnemy }
  138.  
  139. procedure TEnemy.DoMove(MoveCount: Integer);
  140. begin
  141.   if not FCorInit then
  142.   begin
  143.     FXCor := trunc(x) + (MainForm.ScrollP * RasterW);
  144.     FCorInit := true;
  145.   end;
  146.   if MainForm.LevData.IndexOfEnemy(FXCor, integer(round(Y)), FEnemyType, FLives) = -1 then dead;
  147.   X := FXCor - (MainForm.ScrollP * RasterW);
  148. end;
  149.  
  150. constructor TEnemy.Create(AParent: TSprite; AEnemyType: TEnemyType; ALives: Integer);
  151. begin
  152.   inherited Create(AParent);
  153.   if AEnemyType = etEnemyAttacker then Image := MainForm.GetSpriteGraphic(smgEnemyAttacker);
  154.   if AEnemyType = etEnemyAttacker2 then Image := MainForm.GetSpriteGraphic(smgEnemyAttacker2);
  155.   if AEnemyType = etEnemyAttacker3 then Image := MainForm.GetSpriteGraphic(smgEnemyAttacker3);
  156.   if AEnemyType = etEnemyMeteor then Image := MainForm.GetSpriteGraphic(smgEnemyMeteor);
  157.   if AEnemyType = etEnemyUFO then Image := MainForm.GetSpriteGraphic(smgEnemyDisk);
  158.   if AEnemyType = etEnemyUFO2 then Image := MainForm.GetSpriteGraphic(smgEnemyDisk2);
  159.   if AEnemyType = etEnemyBoss then Image := MainForm.GetSpriteGraphic(smgEnemyBoss);
  160.  
  161.   if AEnemyType = etEnemyMeteor then FLives := 0 else FLives := ALives;
  162.   FEnemyType := AEnemyType;
  163.   Width := Image.Width;
  164.   Height := Image.Height;
  165.   PixelCheck := True;
  166. end;
  167.  
  168. { TMainForm }
  169.  
  170. procedure TMainForm.DXInit;
  171. begin
  172.   Imagelist.Items.LoadFromFile(OwnDirectory+'DirectX\Graphics.dxg');
  173.   ImageList.Items.MakeColorTable;
  174.   DXDraw.ColorTable := ImageList.Items.ColorTable;
  175.   DXDraw.DefColorTable := ImageList.Items.ColorTable;
  176.   DXDraw.UpdatePalette;
  177.   DXDraw.Initialize;
  178. end;
  179.  
  180. procedure TMainForm.FormCreate(Sender: TObject);
  181. resourcestring
  182.   SFileError = 'Die Datei kann von SpaceMission nicht geöffnet werden!';
  183. begin
  184.   { VCL-Ersatz start }
  185.   dxtimer := tdxtimer.create(self);
  186.   dxtimer.Interval := 100;
  187.   dxtimer.ActiveOnly := false;
  188.   dxtimer.Enabled := false;
  189.   dxtimer.OnTimer := DxTimerTimer;
  190.  
  191.   dxdraw := tdxdraw.Create(self);
  192.   dxdraw.Parent := self;
  193.   dxdraw.Left := 0;
  194.   dxdraw.Top := 0;
  195.   dxdraw.Width := SidePanel.Left;
  196.   dxdraw.Height := ScrollBar.Top;
  197.   dxdraw.AutoInitialize := False;
  198.   dxdraw.AutoSize := False;
  199.   dxdraw.Color := clBlack;
  200.   (*
  201.   dxdraw.Display.BitCount := 24;
  202.   dxdraw.Display.FixedBitCount := False;
  203.   dxdraw.Display.FixedRatio := False;
  204.   dxdraw.Display.FixedSize := False;
  205.   dxdraw.Display.Height := 600;
  206.   dxdraw.Display.Width := 800;
  207.   *)
  208.   dxdraw.Options := [doAllowReboot, doWaitVBlank, doAllowPalette256, doCenter, {doRetainedMode,} doHardware, doSelectDriver];
  209.   dxdraw.OnFinalize := DXDrawFinalize;
  210.   dxdraw.OnInitialize := DXDrawInitialize;
  211.   dxdraw.ParentShowHint := False;
  212.   dxdraw.ShowHint := False;
  213.   dxdraw.TabOrder := 0;
  214.   dxdraw.OnMouseDown := DXDrawMouseDown;
  215.   dxdraw.OnMouseMove := DXDrawMouseMove;
  216.  
  217.   spriteengine := tdxspriteengine.create(self);
  218.   spriteengine.DXDraw := dxdraw;
  219.  
  220.   imagelist := tdximagelist.create(self);
  221.   imagelist.DXDraw := dxdraw;
  222.  
  223.   { VCL-Ersatz ende }
  224.  
  225.   LivesEdit.MinValue := 1;
  226.   LivesEdit.MaxValue := MaxPossibleEnemyLives;
  227.   LivesEdit.Value := 1;
  228.  
  229.   Enemy1.Checked := true;
  230.   EnemyClick(Enemy1);
  231.   // Leeres Level am Anfang braucht keine Beenden-Bestätigung.
  232.   // LevChanged := true;
  233.  
  234.   //Application.Title := 'SpaceMission '+ProgramVersion+' - Leveleditor';
  235.   Caption := 'SpaceMission '+ProgramVersion+' - Leveleditor';
  236.   DXInit;
  237.   LevData := TLevelData.create;
  238.   ProgramInit;
  239.   DestroyLevel;
  240.   if (paramcount > 0) and (fileexists(paramstr(1))) and (ExtractFileExt(paramstr(1)).ToLower = '.lev') then
  241.   begin
  242.     try
  243.       LevData.LoadFromFile(paramstr(1));
  244.     except
  245.       on E: Exception do
  246.       begin
  247.         showmessage(SFileError + ' ' +E.Message);
  248.         DestroyLevel;
  249.       end;
  250.     end;
  251.     RefreshFromLevData;
  252.     LevChanged := false;
  253.     AnzeigeAct;
  254.   end;
  255. end;
  256.  
  257. procedure TMainForm.FormDestroy(Sender: TObject);
  258. begin
  259.   FreeAndNil(dxdraw);
  260.   FreeAndNil(LevData);
  261.   //FreeAndNil(spriteengine);
  262.   FreeAndNil(dxtimer);
  263.   FreeAndNil(imagelist);
  264. end;
  265.  
  266. procedure TMainForm.BeendenClick(Sender: TObject);
  267. begin
  268.   close;
  269. end;
  270.  
  271. procedure TMainForm.DXDrawInitialize(Sender: TObject);
  272. begin
  273.   if Assigned(DXTimer) then DXTimer.Enabled := True;
  274. end;
  275.  
  276. procedure TMainForm.DXDrawFinalize(Sender: TObject);
  277. begin
  278.   if Assigned(DXTimer) then DXTimer.Enabled := False;
  279. end;
  280.  
  281. procedure TMainForm.DXTimerTimer(Sender: TObject; LagCount: Integer);
  282. begin
  283.   if not DXDraw.CanDraw then exit;
  284.   LagCount := 1000 div 60;
  285.   SpriteEngine.Move(LagCount);
  286.   SpriteEngine.Dead;
  287.   DxDraw.Surface.Fill(0);
  288.   SpriteEngine.Draw;
  289.   DXDraw.Flip;
  290. end;
  291.  
  292. function TMainForm.ComposeColor(Dest, Src: TRGBQuad; Percent: Integer): TRGBQuad;
  293. begin
  294.   with Result do
  295.   begin
  296.     rgbRed := Src.rgbRed+((Dest.rgbRed-Src.rgbRed)*Percent div 256);
  297.     rgbGreen := Src.rgbGreen+((Dest.rgbGreen-Src.rgbGreen)*Percent div 256);
  298.     rgbBlue := Src.rgbBlue+((Dest.rgbBlue-Src.rgbBlue)*Percent div 256);
  299.     rgbReserved := 0;
  300.   end;
  301. end;
  302.  
  303. procedure TMainForm.PalleteAnim(Col: TRGBQuad; Time: Integer);
  304. var
  305.   i: Integer;
  306.   t, t2: DWORD;
  307.   ChangePalette: Boolean;
  308.   c: Integer;
  309. begin
  310.   if DXDraw.Initialized then
  311.   begin
  312.     c := DXDraw.Surface.ColorMatch(RGB(Col.rgbRed, Col.rgbGreen, Col.rgbBlue));
  313.     ChangePalette := False;
  314.     if DXDraw.CanPaletteAnimation then
  315.     begin
  316.       t := GetTickCount;
  317.       while Abs(GetTickCount-t)<Time do
  318.       begin
  319.         t2 := Trunc(Abs(GetTickCount-t)/Time*255);
  320.         for i := 0 to 255 do
  321.           DXDraw.ColorTable[i] := ComposeColor(Col, DXDraw.DefColorTable[i], t2);
  322.         DXDraw.UpdatePalette;
  323.         ChangePalette := True;
  324.       end;
  325.     end else
  326.       Sleep(Time);
  327.     for i := 0 to 4 do
  328.     begin
  329.       DXDraw.Surface.Fill(c);
  330.       DXDraw.Flip;
  331.     end;
  332.     if ChangePalette then
  333.     begin
  334.       DXDraw.ColorTable := DXDraw.DefColorTable;
  335.       DXDraw.UpdatePalette;
  336.     end;
  337.     DXDraw.Surface.Fill(c);
  338.     DXDraw.Flip;
  339.   end;
  340. end;
  341.  
  342. procedure TMainForm.ProgramInit;
  343. {var
  344.   i, j: Integer;}
  345. begin
  346.   sleep(500);
  347.   //PlayerSprite
  348.   with TBackground.Create(SpriteEngine.Engine) do
  349.   begin
  350.     SetMapSize(1, 1);
  351.     Image := MainForm.GetSpriteGraphic(smgStar3);
  352.     Z := -13;
  353.     Y := 40;
  354.     Tile := True;
  355.   end;
  356.   with TBackground.Create(SpriteEngine.Engine) do
  357.   begin
  358.     SetMapSize(1, 1);
  359.     Image := MainForm.GetSpriteGraphic(smgStar2);
  360.     Z := -12;
  361.     Y := 30;
  362.     Tile := True;
  363.   end;
  364.   with TBackground.Create(SpriteEngine.Engine) do
  365.   begin
  366.     SetMapSize(1, 1);
  367.     Image := MainForm.GetSpriteGraphic(smgStar1);
  368.     Z := -11;
  369.     Y := 10;
  370.     Tile := True;
  371.   end;
  372.   with TBackground.Create(SpriteEngine.Engine) do
  373.   begin
  374.     SetMapSize(1, 1);
  375.     Image := MainForm.GetSpriteGraphic(smgMatrix);
  376.     Z := -10;
  377.     Tile := True;
  378.   end;
  379.   {with TBackground.Create(SpriteEngine.Engine) do
  380.   begin
  381.     SetMapSize(200, 10);
  382.     Y := 10;
  383.     Z := -13;
  384.     FSpeed := 1 / 2;
  385.     Tile := True;
  386.     for i := 0 to MapHeight-1 do
  387.     begin
  388.       for j := 0 to MapWidth-1 do
  389.       begin
  390.         Chips[j, i] := Image.PatternCount-Random(Image.PatternCount div 8);
  391.         if Random(100)<95 then Chips[j, i] := -1;
  392.       end;
  393.     end;
  394.   end;
  395.   with TBackground.Create(SpriteEngine.Engine) do
  396.   begin
  397.     SetMapSize(200, 10);
  398.     Y := 30;
  399.     Z := -12;
  400.     FSpeed := 1;
  401.     Tile := True;
  402.     for i := 0 to MapHeight-1 do
  403.     begin
  404.       for j := 0 to MapWidth-1 do
  405.       begin
  406.         Chips[j, i] := Image.PatternCount-Random(Image.PatternCount div 4);
  407.         if Random(100)<95 then Chips[j, i] := -1;
  408.       end;
  409.     end;
  410.   end;
  411.   with TBackground.Create(SpriteEngine.Engine) do
  412.   begin
  413.     SetMapSize(200, 10);
  414.     Y := 40;
  415.     Z := -11;
  416.     FSpeed := 2;
  417.     Tile := True;
  418.     for i := 0 to MapHeight-1 do
  419.     begin
  420.       for j := 0 to MapWidth-1 do
  421.       begin
  422.         Chips[j, i] := Image.PatternCount-Random(Image.PatternCount div 2);
  423.         if Random(100)<95 then Chips[j, i] := -1;
  424.       end;
  425.     end;
  426.   end;}
  427.   PalleteAnim(RGBQuad(0, 0, 0), 300);
  428.   mainform.Visible := true;
  429. end;
  430.  
  431. procedure TMainForm.RefreshFromLevData;
  432. var
  433.   i: integer;
  434. begin
  435.   MainForm.ScrollBar.Max := MainForm.LevData.LevelEditorLength;
  436.   for i := 0 to MainForm.LevData.CountEnemies - 1 do
  437.   begin
  438.     MainForm.EnemyCreateSprite(
  439.       MainForm.LevData.EnemyAdventTable[i].x,
  440.       MainForm.LevData.EnemyAdventTable[i].y,
  441.       MainForm.LevData.EnemyAdventTable[i].enemyType,
  442.       MainForm.LevData.EnemyAdventTable[i].lifes
  443.     );
  444.   end;
  445.   MainForm.NumEnemys := MainForm.LevData.CountEnemies;
  446.   MainForm.Boss := MainForm.LevData.HasBoss;
  447.   AnzeigeAct;
  448. end;
  449.  
  450. procedure TMainForm.LevelClick(Sender: TObject);
  451. begin
  452.   speicherungform.showmodal;
  453. end;
  454.  
  455. procedure TMainForm.FormShow(Sender: TObject);
  456. begin
  457.   if Assigned(SplashForm) then
  458.   begin
  459.     SplashForm.Hide;
  460.     FreeAndNil(SplashForm);
  461.   end;
  462.  
  463.   dxtimer.Enabled := true;
  464.   dxtimer.ActiveOnly := true;
  465. end;
  466.  
  467. function TMainForm.GetSpriteGraphic(
  468.   Sprite: TSpaceMissionGraphicSprite): TPictureCollectionItem;
  469. begin
  470.   if (Sprite<>smgNone) and (imagelist.Items.Count >= Ord(Sprite)) then
  471.     result := imagelist.Items.Items[Ord(Sprite)-1]
  472.   else
  473.     result := nil;
  474. end;
  475.  
  476. procedure TMainForm.InformationenClick(Sender: TObject);
  477. begin
  478.   mainform.dxtimer.enabled := false;
  479.   InfoForm.showmodal;
  480.   mainform.dxtimer.enabled := true;
  481. end;
  482.  
  483. procedure TMainForm.FormClose(Sender: TObject; var Action: TCloseAction);
  484. begin
  485.   SpriteEngine.Engine.Clear;
  486.   DXTimer.Enabled := False;
  487. end;
  488.  
  489. procedure TMainForm.DXDrawMouseDown(Sender: TObject; Button: TMouseButton;
  490.   Shift: TShiftState; X, Y: Integer);
  491. var
  492.   i, j, k, l, ex, ey: integer;
  493.   ok, breaked: boolean;
  494. begin
  495.   ex := trunc(x/RasterW) * RasterW;
  496.   ey := trunc(y/RasterH) * RasterH;
  497.   EnemyCreateSprite(ex, ey, SelectedEnemyType, LivesEdit.Value);
  498.   breaked := false;
  499.   { Setzen }
  500.   if Button = mbLeft then
  501.   begin
  502.     ok := true;
  503.     if (SelectedEnemyType = etEnemyBoss) and boss then
  504.       ok := false // boss already exists
  505.     else
  506.     begin
  507.       for i := 1 to NumEnemyTypes do
  508.       begin
  509.         for j := 0 to MaxPossibleEnemyLives do
  510.         begin
  511.           if boss then
  512.           begin
  513.             for k := 0 to 3 do
  514.             begin
  515.               for l := 0 to 1 do
  516.               begin
  517.                 if LevData.IndexOfEnemy(ex + ((ScrollP - k) * RasterW), ey - (RasterH * l), etEnemyBoss, j) <> -1 then
  518.                 begin
  519.                   ok := false;
  520.                   break;
  521.                 end;
  522.               end;
  523.               if not ok then break;
  524.             end;
  525.             if not ok then break;
  526.           end;
  527.           if LevData.IndexOfEnemy(ex + (ScrollP * RasterW), ey, TEnemyType(i), j) <> -1 then
  528.           begin
  529.             ok := false;
  530.             break;
  531.           end;
  532.         end;
  533.         if not ok then break;
  534.       end;
  535.     end;
  536.     if ok then
  537.     begin
  538.       if SelectedEnemyType <> etEnemyMeteor then
  539.         LevData.AddEnemy(ex + (ScrollP * RasterW), ey, SelectedEnemyType, LivesEdit.Value)
  540.       else
  541.         LevData.AddEnemy(ex + (ScrollP * RasterW), ey, SelectedEnemyType, 0);
  542.       inc(NumEnemys);
  543.       if SelectedEnemyType = etEnemyBoss then boss := true;
  544.     end
  545.     else beep;
  546.   end
  547.   { Löschen }
  548.   else if Button = mbRight then
  549.   begin
  550.     for i := 1 to NumEnemyTypes do
  551.     begin
  552.       for j := 0 to MaxPossibleEnemyLives do
  553.       begin
  554.         if boss and (TEnemyType(i) = etEnemyBoss) then
  555.         begin
  556.           for k := 0 to 3 do
  557.           begin
  558.             for l := 0 to 1 do
  559.             begin
  560.               if LevData.IndexOfEnemy(ex + ((ScrollP - k) * RasterW), ey - (RasterH * l), TEnemyType(i), j) <> -1 then
  561.               begin
  562.                 LevData.DeleteEnemy(ex + ((ScrollP - k) * RasterW), ey - (RasterH * l), TEnemyType(i), j);
  563.                 Boss := false;
  564.                 dec(NumEnemys);
  565.                 breaked := true;
  566.                 break;
  567.               end;
  568.             end;
  569.             if breaked then break;
  570.           end;
  571.         end;
  572.         if LevData.IndexOfEnemy(ex + (ScrollP * RasterW), ey, TEnemyType(i), j) <> -1 then
  573.         begin
  574.           LevData.DeleteEnemy(ex + (ScrollP * RasterW), ey, TEnemyType(i), j);
  575.           if TEnemyType(i) = etEnemyBoss then Boss := false;
  576.           dec(NumEnemys);
  577.           breaked := true;
  578.           break;
  579.         end;
  580.       end;
  581.       if breaked then break;
  582.     end;
  583.   end;
  584.   LevChanged := true;
  585.   AnzeigeAct;
  586. end;
  587.  
  588. procedure TMainForm.EnemyClick(Sender: TObject);
  589. var
  590.   et: TEnemyType;
  591. begin
  592.   et := SelectedEnemyType;
  593.   Image1.Left := -(87 * (Ord(et) - 1)) + 1;
  594.   LivesEdit.Enabled := et <> etEnemyMeteor;
  595.   LivesLabel.Enabled := et <> etEnemyMeteor;
  596. end;
  597.  
  598. procedure TMainForm.EnemyCreateSprite(x, y: integer; AEnemyType: TEnemyType; ALives: integer);
  599. var
  600.   Enemy: TSprite;
  601. begin
  602.   Enemy := TEnemy.Create(SpriteEngine.Engine, AEnemyType, ALives);
  603.   Enemy.x := x;
  604.   Enemy.y := y;
  605. end;
  606.  
  607. procedure TMainForm.DestroyLevel;
  608. begin
  609.   ScrollBar.Position := 0; // this doesn't call ScrollBarScroll()
  610.   ScrollP := 0;
  611.   LevData.Clear;
  612.   ScrollBar.Max := LevData.LevelEditorLength;
  613.   NumEnemys := 0;
  614.   Boss := false;
  615.   LevChanged := true;
  616.   LivesEdit.Value := 1;
  617.   Enemy1.Checked := true;
  618.   EnemyClick(Enemy1);
  619.   AnzeigeAct;
  620. end;
  621.  
  622. procedure TMainForm.AlleLeveldateienaktualisieren1Click(Sender: TObject);
  623. var
  624.   i: integer;
  625. begin
  626.   // Just for internal/development purposes
  627.   for i := 1 to MaxPossibleLevels do
  628.   begin
  629.     if FileExists('Levels\Level '+IntToStr(i)+'.lev') then
  630.     begin
  631.       LevData.LoadFromFile('Levels\Level '+IntToStr(i)+'.lev');
  632.       LevData.SaveToFile('Levels\Level '+IntToStr(i)+'.lev');
  633.     end;
  634.   end;
  635. end;
  636.  
  637. procedure TMainForm.AnzeigeAct;
  638. begin
  639.   SLabel1b.Caption := inttostr(NumEnemys);
  640.   if Boss then SLabel2b.Caption := 'Ja' else SLabel2b.Caption := 'Nein';
  641.   SLabel3b.Caption := inttostr(ScrollBar.Max);
  642.   if LevChanged then
  643.   begin
  644.     SLabel4a.Font.Color := $00000096;
  645.     SLabel4b.Font.Color := $00000096;
  646.     SLabel4b.Caption := 'Nein';
  647.   end
  648.   else
  649.   begin
  650.     SLabel4a.Font.Color := $00009600;
  651.     SLabel4b.Font.Color := $00009600;
  652.     SLabel4b.Caption := 'Ja';
  653.   end;
  654. end;
  655.  
  656. procedure TMainForm.NeuClick(Sender: TObject);
  657. begin
  658.   if MessageDlg('Level wirklich löschen?', mtConfirmation, mbYesNoCancel, 0) = mrYes then
  659.     DestroyLevel;
  660. end;
  661.  
  662. procedure TMainForm.DXDrawMouseMove(Sender: TObject; Shift: TShiftState; X,
  663.   Y: Integer);
  664. resourcestring
  665.   status_info = 'Zeigen Sie mit dem Mauszeiger auf eine Einheit, um deren Eigenschaften anzuzeigen...';
  666.   status_lives = 'Leben: ';
  667.   status_nolives = 'Einheit hat keine Lebensangabe';
  668. var
  669.   ex, ey, i, j, k, l: integer;
  670.   lifes: integer;
  671.   enemyType: TEnemyType;
  672.   enemyName: string;
  673.   breaked: boolean;
  674. begin
  675.   if sender <> DxDraw then
  676.   begin
  677.     StatusBar.SimpleText := ' ' + status_info;
  678.     exit;
  679.   end;
  680.   ex := trunc(x/RasterW) * RasterW;
  681.   ey := trunc(y/RasterH) * RasterH;
  682.   lifes := -1;
  683.   enemyType := etUnknown;
  684.   breaked := false;
  685.   for i := 1 to NumEnemyTypes do
  686.   begin
  687.     for j := 0 to MaxPossibleEnemyLives do
  688.     begin
  689.       if boss and (TEnemyType(i) = etEnemyBoss) then
  690.       begin
  691.         for k := 0 to 3 do
  692.         begin
  693.           for l := 0 to 1 do
  694.           begin
  695.             if LevData.IndexOfEnemy(ex + ((ScrollP - k) * RasterW), ey - (RasterH * l), TEnemyType(i), j) <> -1 then
  696.             begin
  697.               lifes := j;
  698.               breaked := true;
  699.               break;
  700.             end;
  701.           end;
  702.           if breaked then break;
  703.         end;
  704.       end;
  705.       if (breaked = false) and (LevData.IndexOfEnemy(ex + (ScrollP * RasterW), ey, TEnemyType(i), j) <> -1) then
  706.       begin
  707.         lifes := j;
  708.         enemyType := TEnemyType(i);
  709.         breaked := true;
  710.         break;
  711.       end;
  712.     end;
  713.     if breaked then break;
  714.   end;
  715.   if lifes <> -1 then
  716.   begin
  717.     if Ord(enemyType) = 1 then enemyName := Enemy1.Caption
  718.     else if Ord(enemyType) = 2 then enemyName := Enemy2.Caption
  719.     else if Ord(enemyType) = 3 then enemyName := Enemy3.Caption
  720.     else if Ord(enemyType) = 4 then enemyName := Enemy4.Caption
  721.     else if Ord(enemyType) = 5 then enemyName := Enemy5.Caption
  722.     else if Ord(enemyType) = 6 then enemyName := Enemy6.Caption
  723.     else if Ord(enemyType) = 7 then enemyName := Enemy7.Caption
  724.     else enemyName := '???';
  725.     if lifes > 0 then
  726.       StatusBar.SimpleText := ' ' + enemyName + ' - ' + status_lives + inttostr(lifes)
  727.     else
  728.       StatusBar.SimpleText := ' ' + enemyName + ' - ' + status_nolives;
  729.   end
  730.   else
  731.     StatusBar.SimpleText := ' ' + status_info;
  732. end;
  733.  
  734. procedure TMainForm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
  735. begin
  736.   if Assigned(LevData) and LevChanged and (LevData.CountEnemies>0) then
  737.     CanClose := MessageDlg('Beenden ohne abspeichern?', mtConfirmation, mbYesNoCancel, 0) = mrYes;
  738. end;
  739.  
  740. procedure TMainForm.Spielfelderweitern1Click(Sender: TObject);
  741. begin
  742.   LevelForm.Aktualisieren;
  743.   LevelForm.showmodal;
  744. end;
  745.  
  746. procedure TMainForm.ScrollBarScroll(Sender: TObject;
  747.   ScrollCode: TScrollCode; var ScrollPos: Integer);
  748. begin
  749.   ScrollP := ScrollPos;
  750. end;
  751.  
  752. function TMainForm.SelectedEnemyType: TEnemyType;
  753. begin
  754.   if Enemy1.Checked then result := etEnemyAttacker
  755.   else if Enemy2.Checked then result := etEnemyAttacker2
  756.   else if Enemy3.Checked then result := etEnemyAttacker3
  757.   else if Enemy4.Checked then result := etEnemyMeteor
  758.   else if Enemy5.Checked then result := etEnemyUFO
  759.   else if Enemy6.Checked then result := etEnemyUFO2
  760.   else if Enemy7.Checked then result := etEnemyBoss
  761.   else result := etUnknown;
  762. end;
  763.  
  764. end.
  765.  
  766.