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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.   Enemy1.Checked := true;
  226.   EnemyClick(Enemy1);
  227.   // Leeres Level am Anfang braucht keine Beenden-Bestätigung.
  228.   // LevChanged := true;
  229.  
  230.   //Application.Title := 'SpaceMission '+ProgramVersion+' - Leveleditor';
  231.   Caption := 'SpaceMission '+ProgramVersion+' - Leveleditor';
  232.   DXInit;
  233.   LevData := TLevelData.create;
  234.   ProgramInit;
  235.   DestroyLevel;
  236.   if (paramcount > 0) and (fileexists(paramstr(1))) then
  237.   begin
  238.     try
  239.       LevData.Load(paramstr(1));
  240.     except
  241.       on E: Exception do
  242.       begin
  243.         showmessage(SFileError + ' ' +E.Message);
  244.         DestroyLevel;
  245.       end;
  246.     end;
  247.     RefreshFromLevData;
  248.     LevChanged := false;
  249.     AnzeigeAct;
  250.   end;
  251. end;
  252.  
  253. procedure TMainForm.FormDestroy(Sender: TObject);
  254. begin
  255.   LevData.Free;
  256.   //spriteengine.Free;
  257.   dxtimer.Free;
  258.   imagelist.Free;
  259.   dxdraw.free;
  260. end;
  261.  
  262. procedure TMainForm.BeendenClick(Sender: TObject);
  263. begin
  264.   close;
  265. end;
  266.  
  267. procedure TMainForm.DXDrawInitialize(Sender: TObject);
  268. begin
  269.   DXTimer.Enabled := True;
  270. end;
  271.  
  272. procedure TMainForm.DXDrawFinalize(Sender: TObject);
  273. begin
  274.   DXTimer.Enabled := False;
  275. end;
  276.  
  277. procedure TMainForm.DXTimerTimer(Sender: TObject; LagCount: Integer);
  278. begin
  279.   if not DXDraw.CanDraw then exit;
  280.   LagCount := 1000 div 60;
  281.   SpriteEngine.Move(LagCount);
  282.   SpriteEngine.Dead;
  283.   DxDraw.Surface.Fill(0);
  284.   SpriteEngine.Draw;
  285.   DXDraw.Flip;
  286. end;
  287.  
  288. function TMainForm.ComposeColor(Dest, Src: TRGBQuad; Percent: Integer): TRGBQuad;
  289. begin
  290.   with Result do
  291.   begin
  292.     rgbRed := Src.rgbRed+((Dest.rgbRed-Src.rgbRed)*Percent div 256);
  293.     rgbGreen := Src.rgbGreen+((Dest.rgbGreen-Src.rgbGreen)*Percent div 256);
  294.     rgbBlue := Src.rgbBlue+((Dest.rgbBlue-Src.rgbBlue)*Percent div 256);
  295.     rgbReserved := 0;
  296.   end;
  297. end;
  298.  
  299. procedure TMainForm.PalleteAnim(Col: TRGBQuad; Time: Integer);
  300. var
  301.   i: Integer;
  302.   t, t2: DWORD;
  303.   ChangePalette: Boolean;
  304.   c: Integer;
  305. begin
  306.   if DXDraw.Initialized then
  307.   begin
  308.     c := DXDraw.Surface.ColorMatch(RGB(Col.rgbRed, Col.rgbGreen, Col.rgbBlue));
  309.     ChangePalette := False;
  310.     if DXDraw.CanPaletteAnimation then
  311.     begin
  312.       t := GetTickCount;
  313.       while Abs(GetTickCount-t)<Time do
  314.       begin
  315.         t2 := Trunc(Abs(GetTickCount-t)/Time*255);
  316.         for i := 0 to 255 do
  317.           DXDraw.ColorTable[i] := ComposeColor(Col, DXDraw.DefColorTable[i], t2);
  318.         DXDraw.UpdatePalette;
  319.         ChangePalette := True;
  320.       end;
  321.     end else
  322.       Sleep(Time);
  323.     for i := 0 to 4 do
  324.     begin
  325.       DXDraw.Surface.Fill(c);
  326.       DXDraw.Flip;
  327.     end;
  328.     if ChangePalette then
  329.     begin
  330.       DXDraw.ColorTable := DXDraw.DefColorTable;
  331.       DXDraw.UpdatePalette;
  332.     end;
  333.     DXDraw.Surface.Fill(c);
  334.     DXDraw.Flip;
  335.   end;
  336. end;
  337.  
  338. procedure TMainForm.ProgramInit;
  339. {var
  340.   i, j: Integer;}
  341. begin
  342.   sleep(500);
  343.   //PlayerSprite
  344.   with TBackground.Create(SpriteEngine.Engine) do
  345.   begin
  346.     SetMapSize(1, 1);
  347.     Image := MainForm.GetSpriteGraphic(smgStar3);
  348.     Z := -13;
  349.     Y := 40;
  350.     Tile := True;
  351.   end;
  352.   with TBackground.Create(SpriteEngine.Engine) do
  353.   begin
  354.     SetMapSize(1, 1);
  355.     Image := MainForm.GetSpriteGraphic(smgStar2);
  356.     Z := -12;
  357.     Y := 30;
  358.     Tile := True;
  359.   end;
  360.   with TBackground.Create(SpriteEngine.Engine) do
  361.   begin
  362.     SetMapSize(1, 1);
  363.     Image := MainForm.GetSpriteGraphic(smgStar1);
  364.     Z := -11;
  365.     Y := 10;
  366.     Tile := True;
  367.   end;
  368.   with TBackground.Create(SpriteEngine.Engine) do
  369.   begin
  370.     SetMapSize(1, 1);
  371.     Image := MainForm.GetSpriteGraphic(smgMatrix);
  372.     Z := -10;
  373.     Tile := True;
  374.   end;
  375.   {with TBackground.Create(SpriteEngine.Engine) do
  376.   begin
  377.     SetMapSize(200, 10);
  378.     Y := 10;
  379.     Z := -13;
  380.     FSpeed := 1 / 2;
  381.     Tile := True;
  382.     for i := 0 to MapHeight-1 do
  383.     begin
  384.       for j := 0 to MapWidth-1 do
  385.       begin
  386.         Chips[j, i] := Image.PatternCount-Random(Image.PatternCount div 8);
  387.         if Random(100)<95 then Chips[j, i] := -1;
  388.       end;
  389.     end;
  390.   end;
  391.   with TBackground.Create(SpriteEngine.Engine) do
  392.   begin
  393.     SetMapSize(200, 10);
  394.     Y := 30;
  395.     Z := -12;
  396.     FSpeed := 1;
  397.     Tile := True;
  398.     for i := 0 to MapHeight-1 do
  399.     begin
  400.       for j := 0 to MapWidth-1 do
  401.       begin
  402.         Chips[j, i] := Image.PatternCount-Random(Image.PatternCount div 4);
  403.         if Random(100)<95 then Chips[j, i] := -1;
  404.       end;
  405.     end;
  406.   end;
  407.   with TBackground.Create(SpriteEngine.Engine) do
  408.   begin
  409.     SetMapSize(200, 10);
  410.     Y := 40;
  411.     Z := -11;
  412.     FSpeed := 2;
  413.     Tile := True;
  414.     for i := 0 to MapHeight-1 do
  415.     begin
  416.       for j := 0 to MapWidth-1 do
  417.       begin
  418.         Chips[j, i] := Image.PatternCount-Random(Image.PatternCount div 2);
  419.         if Random(100)<95 then Chips[j, i] := -1;
  420.       end;
  421.     end;
  422.   end;}
  423.   PalleteAnim(RGBQuad(0, 0, 0), 300);
  424.   mainform.Visible := true;
  425. end;
  426.  
  427. procedure TMainForm.RefreshFromLevData;
  428. var
  429.   i: integer;
  430. begin
  431.   MainForm.ScrollBar.Max := MainForm.LevData.LevelEditorLength;
  432.   for i := 0 to MainForm.LevData.CountEnemies - 1 do
  433.   begin
  434.     MainForm.EnemyCreateSprite(
  435.       MainForm.LevData.EnemyAdventTable[i].x,
  436.       MainForm.LevData.EnemyAdventTable[i].y,
  437.       MainForm.LevData.EnemyAdventTable[i].enemyType,
  438.       MainForm.LevData.EnemyAdventTable[i].lifes
  439.     );
  440.   end;
  441.   MainForm.NumEnemys := MainForm.LevData.CountEnemies;
  442.   MainForm.Boss := MainForm.LevData.HasBoss;
  443.   AnzeigeAct;
  444. end;
  445.  
  446. procedure TMainForm.LevelClick(Sender: TObject);
  447. begin
  448.   speicherungform.showmodal;
  449. end;
  450.  
  451. procedure TMainForm.FormShow(Sender: TObject);
  452. begin
  453.   SplashForm.Hide;
  454.   SplashForm.Free;
  455.  
  456.   dxtimer.Enabled := true;
  457.   dxtimer.ActiveOnly := true;
  458. end;
  459.  
  460. function TMainForm.GetSpriteGraphic(
  461.   Sprite: TSpaceMissionGraphicSprite): TPictureCollectionItem;
  462. begin
  463.   if (Sprite<>smgNone) and (imagelist.Items.Count >= Ord(Sprite)) then
  464.     result := imagelist.Items.Items[Ord(Sprite)-1]
  465.   else
  466.     result := nil;
  467. end;
  468.  
  469. procedure TMainForm.InformationenClick(Sender: TObject);
  470. begin
  471.   mainform.dxtimer.enabled := false;
  472.   InfoForm.showmodal;
  473.   mainform.dxtimer.enabled := true;
  474. end;
  475.  
  476. procedure TMainForm.FormClose(Sender: TObject; var Action: TCloseAction);
  477. begin
  478.   SpriteEngine.Engine.Clear;
  479.   DXTimer.Enabled := False;
  480. end;
  481.  
  482. procedure TMainForm.DXDrawMouseDown(Sender: TObject; Button: TMouseButton;
  483.   Shift: TShiftState; X, Y: Integer);
  484. var
  485.   i, j, k, l, ex, ey: integer;
  486.   ok, breaked: boolean;
  487. begin
  488.   ex := trunc(x/RasterW) * RasterW;
  489.   ey := trunc(y/RasterH) * RasterH;
  490.   EnemyCreateSprite(ex, ey, SelectedEnemyType, LivesEdit.Value);
  491.   breaked := false;
  492.   { Setzen }
  493.   if Button = mbLeft then
  494.   begin
  495.     ok := true;
  496.     if (SelectedEnemyType = etEnemyBoss) and boss then
  497.       ok := false // boss already exists
  498.     else
  499.     begin
  500.       for i := 1 to NumEnemyTypes do
  501.       begin
  502.         for j := 0 to 999 do
  503.         begin
  504.           if boss then
  505.           begin
  506.             for k := 0 to 3 do
  507.             begin
  508.               for l := 0 to 1 do
  509.               begin
  510.                 if LevData.IndexOfEnemy(ex + ((ScrollP - k) * RasterW), ey - (RasterH * l), etEnemyBoss, j) <> -1 then
  511.                 begin
  512.                   ok := false;
  513.                   break;
  514.                 end;
  515.               end;
  516.               if not ok then break;
  517.             end;
  518.             if not ok then break;
  519.           end;
  520.           if LevData.IndexOfEnemy(ex + (ScrollP * RasterW), ey, TEnemyType(i), j) <> -1 then
  521.           begin
  522.             ok := false;
  523.             break;
  524.           end;
  525.         end;
  526.         if not ok then break;
  527.       end;
  528.     end;
  529.     if ok then
  530.     begin
  531.       if SelectedEnemyType <> etEnemyMeteor then
  532.         LevData.AddEnemy(ex + (ScrollP * RasterW), ey, SelectedEnemyType, LivesEdit.Value)
  533.       else
  534.         LevData.AddEnemy(ex + (ScrollP * RasterW), ey, SelectedEnemyType, 0);
  535.       inc(NumEnemys);
  536.       if SelectedEnemyType = etEnemyBoss then boss := true;
  537.     end
  538.     else beep;
  539.   end
  540.   { Löschen }
  541.   else if Button = mbRight then
  542.   begin
  543.     for i := 1 to NumEnemyTypes do
  544.     begin
  545.       for j := 0 to 999 do
  546.       begin
  547.         if boss and (TEnemyType(i) = etEnemyBoss) then
  548.         begin
  549.           for k := 0 to 3 do
  550.           begin
  551.             for l := 0 to 1 do
  552.             begin
  553.               if LevData.IndexOfEnemy(ex + ((ScrollP - k) * RasterW), ey - (RasterH * l), TEnemyType(i), j) <> -1 then
  554.               begin
  555.                 LevData.DeleteEnemy(ex + ((ScrollP - k) * RasterW), ey - (RasterH * l), TEnemyType(i), j);
  556.                 Boss := false;
  557.                 dec(NumEnemys);
  558.                 breaked := true;
  559.                 break;
  560.               end;
  561.             end;
  562.             if breaked then break;
  563.           end;
  564.         end;
  565.         if LevData.IndexOfEnemy(ex + (ScrollP * RasterW), ey, TEnemyType(i), j) <> -1 then
  566.         begin
  567.           LevData.DeleteEnemy(ex + (ScrollP * RasterW), ey, TEnemyType(i), j);
  568.           if TEnemyType(i) = etEnemyBoss then Boss := false;
  569.           dec(NumEnemys);
  570.           breaked := true;
  571.           break;
  572.         end;
  573.       end;
  574.       if breaked then break;
  575.     end;
  576.   end;
  577.   LevChanged := true;
  578.   AnzeigeAct;
  579. end;
  580.  
  581. procedure TMainForm.EnemyClick(Sender: TObject);
  582. var
  583.   et: TEnemyType;
  584. begin
  585.   et := SelectedEnemyType;
  586.   Image1.Left := -(87 * (Ord(et) - 1)) + 1;
  587.   LivesEdit.Enabled := et <> etEnemyMeteor;
  588.   LivesLabel.Enabled := et <> etEnemyMeteor;
  589. end;
  590.  
  591. procedure TMainForm.EnemyCreateSprite(x, y: integer; AEnemyType: TEnemyType; ALives: integer);
  592. var
  593.   Enemy: TSprite;
  594. begin
  595.   Enemy := TEnemy.Create(SpriteEngine.Engine, AEnemyType, ALives);
  596.   Enemy.x := x;
  597.   Enemy.y := y;
  598. end;
  599.  
  600. procedure TMainForm.DestroyLevel;
  601. begin
  602.   ScrollBar.Position := 0; // this doesn't call ScrollBarScroll()
  603.   ScrollP := 0;
  604.   LevData.Clear;
  605.   ScrollBar.Max := LevData.LevelEditorLength;
  606.   NumEnemys := 0;
  607.   Boss := false;
  608.   LevChanged := true;
  609.   LivesEdit.Value := 1;
  610.   Enemy1.Checked := true;
  611.   EnemyClick(Enemy1);
  612.   AnzeigeAct;
  613. end;
  614.  
  615. procedure TMainForm.AlleLeveldateienaktualisieren1Click(Sender: TObject);
  616. var
  617.   i: integer;
  618. begin
  619.   // Just for internal/development purposes
  620.   for i := 1 to 9999 do
  621.   begin
  622.     if FileExists('Levels\Level '+IntToStr(i)+'.lev') then
  623.     begin
  624.       LevData.Load('Levels\Level '+IntToStr(i)+'.lev');
  625.       LevData.Save('Levels\Level '+IntToStr(i)+'.lev');
  626.     end;
  627.   end;
  628. end;
  629.  
  630. procedure TMainForm.AnzeigeAct;
  631. begin
  632.   SLabel1b.Caption := inttostr(NumEnemys);
  633.   if Boss then SLabel2b.Caption := 'Ja' else SLabel2b.Caption := 'Nein';
  634.   SLabel3b.Caption := inttostr(ScrollBar.Max);
  635.   if LevChanged then
  636.   begin
  637.     SLabel4a.Font.Color := $00000096;
  638.     SLabel4b.Font.Color := $00000096;
  639.     SLabel4b.Caption := 'Nein';
  640.   end
  641.   else
  642.   begin
  643.     SLabel4a.Font.Color := $00009600;
  644.     SLabel4b.Font.Color := $00009600;
  645.     SLabel4b.Caption := 'Ja';
  646.   end;
  647. end;
  648.  
  649. procedure TMainForm.NeuClick(Sender: TObject);
  650. begin
  651.   if MessageDlg('Level wirklich löschen?', mtConfirmation, mbYesNoCancel, 0) = mrYes then
  652.     DestroyLevel;
  653. end;
  654.  
  655. procedure TMainForm.DXDrawMouseMove(Sender: TObject; Shift: TShiftState; X,
  656.   Y: Integer);
  657. resourcestring
  658.   status_info = 'Zeigen Sie mit dem Mauszeiger auf eine Einheit, um deren Eigenschaften anzuzeigen...';
  659.   status_lives = 'Leben: ';
  660.   status_nolives = 'Einheit hat keine Lebensangabe';
  661. var
  662.   ex, ey, i, j, k, l: integer;
  663.   lifes: integer;
  664.   enemyType: TEnemyType;
  665.   enemyName: string;
  666.   breaked: boolean;
  667. begin
  668.   if sender <> DxDraw then
  669.   begin
  670.     StatusBar.SimpleText := ' ' + status_info;
  671.     exit;
  672.   end;
  673.   ex := trunc(x/RasterW) * RasterW;
  674.   ey := trunc(y/RasterH) * RasterH;
  675.   lifes := -1;
  676.   enemyType := etUnknown;
  677.   breaked := false;
  678.   for i := 1 to NumEnemyTypes do
  679.   begin
  680.     for j := 0 to 999 do
  681.     begin
  682.       if boss and (TEnemyType(i) = etEnemyBoss) then
  683.       begin
  684.         for k := 0 to 3 do
  685.         begin
  686.           for l := 0 to 1 do
  687.           begin
  688.             if LevData.IndexOfEnemy(ex + ((ScrollP - k) * RasterW), ey - (RasterH * l), TEnemyType(i), j) <> -1 then
  689.             begin
  690.               lifes := j;
  691.               breaked := true;
  692.               break;
  693.             end;
  694.           end;
  695.           if breaked then break;
  696.         end;
  697.       end;
  698.       if (breaked = false) and (LevData.IndexOfEnemy(ex + (ScrollP * RasterW), ey, TEnemyType(i), j) <> -1) then
  699.       begin
  700.         lifes := j;
  701.         enemyType := TEnemyType(i);
  702.         breaked := true;
  703.         break;
  704.       end;
  705.     end;
  706.     if breaked then break;
  707.   end;
  708.   if lifes <> -1 then
  709.   begin
  710.     if Ord(enemyType) = 1 then enemyName := Enemy1.Caption
  711.     else if Ord(enemyType) = 2 then enemyName := Enemy2.Caption
  712.     else if Ord(enemyType) = 3 then enemyName := Enemy3.Caption
  713.     else if Ord(enemyType) = 4 then enemyName := Enemy4.Caption
  714.     else if Ord(enemyType) = 5 then enemyName := Enemy5.Caption
  715.     else if Ord(enemyType) = 6 then enemyName := Enemy6.Caption
  716.     else if Ord(enemyType) = 7 then enemyName := Enemy7.Caption
  717.     else enemyName := '???';
  718.     if lifes > 0 then
  719.       StatusBar.SimpleText := ' ' + enemyName + ' - ' + status_lives + inttostr(lifes)
  720.     else
  721.       StatusBar.SimpleText := ' ' + enemyName + ' - ' + status_nolives;
  722.   end
  723.   else
  724.     StatusBar.SimpleText := ' ' + status_info;
  725. end;
  726.  
  727. procedure TMainForm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
  728. begin
  729.   if Assigned(LevData) and LevChanged and (LevData.CountEnemies>0) then
  730.     CanClose := MessageDlg('Beenden ohne abspeichern?', mtConfirmation, mbYesNoCancel, 0) = mrYes;
  731. end;
  732.  
  733. procedure TMainForm.Spielfelderweitern1Click(Sender: TObject);
  734. begin
  735.   LevelForm.Aktualisieren;
  736.   LevelForm.showmodal;
  737. end;
  738.  
  739. procedure TMainForm.ScrollBarScroll(Sender: TObject;
  740.   ScrollCode: TScrollCode; var ScrollPos: Integer);
  741. begin
  742.   ScrollP := ScrollPos;
  743. end;
  744.  
  745. function TMainForm.SelectedEnemyType: TEnemyType;
  746. begin
  747.   if Enemy1.Checked then result := etEnemyAttacker
  748.   else if Enemy2.Checked then result := etEnemyAttacker2
  749.   else if Enemy3.Checked then result := etEnemyAttacker3
  750.   else if Enemy4.Checked then result := etEnemyMeteor
  751.   else if Enemy5.Checked then result := etEnemyUFO
  752.   else if Enemy6.Checked then result := etEnemyUFO2
  753.   else if Enemy7.Checked then result := etEnemyBoss
  754.   else result := etUnknown;
  755. end;
  756.  
  757. end.
  758.  
  759.