src/game/renders/opengl/r_gui.pas

   1 (* Copyright (C)  Doom 2D: Forever Developers
   2  *
   3  * This program is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, version 3 of the License ONLY.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14  *)
  15 {$INCLUDE ../../../shared/a_modes.inc}
  16 unit r_gui;
  17
  18 interface
  19
  20   uses g_gui;
  21
  22   procedure r_GUI_Load;
  23   procedure r_GUI_Free;
  24
  25   procedure r_GUI_GetSize (ctrl: TGUIControl; out w, h: Integer);
  26   procedure r_GUI_GetLogoSize (out w, h: Integer);
  27   procedure r_GUI_GetMaxFontSize (BigFont: Boolean; out w, h: Integer);
  28   procedure r_GUI_GetStringSize (BigFont: Boolean; str: String; out w, h: Integer);
  29
  30   procedure r_GUI_Draw_Window (win: TGUIWindow);
  31
  32 implementation
  33
  34   uses
  35     Classes, Math, SysUtils,
  36     MAPDEF, utils,
  37     g_basic, g_base, e_input, g_options,
  38     r_draw, r_textures, r_common, r_map,
  39     g_game, g_menu
  40   ;
  41
  42   const
  43     EDIT_CURSORLEN = 10;
  44
  45   var
  46     Box: Array [0..8] of TGLTexture;
  47     MarkerID: array [Boolean] of TGLTexture;
  48     ScrollLeft, ScrollRight, ScrollMiddle, ScrollMarker: TGLTexture;
  49     EditLeft, EditRight, EditMiddle: TGLTexture;
  50     BScrollUp, BScrollDown: array [Boolean] of TGLTexture;
  51     BScrollMiddle: TGLTexture;
  52
  53     Font: array [boolean] of TGLFont; (* Small[FALSE] / Big[TRUE] *)
  54     LogoTex: TGLTexture;
  55     nopic: TGLTexture;
  56
  57     Background: THereTexture;
  58     ImageControl: THereTexture;
  59
  60   procedure r_GUI_Load;
  61     var i: Integer;
  62   begin
  63     Font[FALSE] := smallfont;
  64     Font[TRUE] := menufont;
  65
  66     r_Common_SetLoading('GUI', 2 + 9 + 14);
  67
  68     MarkerID[FALSE] := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/MARKER1', [TGLHints.txNoRepeat]);
  69     MarkerID[TRUE] := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/MARKER2', [TGLHints.txNoRepeat]);
  70
  71     for i := 0 to 8 do
  72       Box[i] := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/BOX' + IntToStr(i + 1), []); // !!!
  73
  74     ScrollLeft := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/SLEFT', [TGLHints.txNoRepeat]);
  75     ScrollRight := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/SRIGHT', [TGLHints.txNoRepeat]);
  76     ScrollMiddle := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/SMIDDLE', []);
  77     ScrollMarker := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/SMARKER', [TGLHints.txNoRepeat]);
  78
  79     EditLeft := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/ELEFT', [TGLHints.txNoRepeat]);
  80     EditRight := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/ERIGHT', [TGLHints.txNoRepeat]);
  81     EditMiddle := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/EMIDDLE', []);
  82
  83     BScrollUp[true] := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/SCROLLUPA', [TGLHints.txNoRepeat]);
  84     BScrollUp[false] := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/SCROLLUPU', [TGLHints.txNoRepeat]);
  85     BScrollDown[true] := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/SCROLLDOWNA', [TGLHints.txNoRepeat]);
  86     BScrollDown[false] := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/SCROLLDOWNU', [TGLHints.txNoRepeat]);
  87     BScrollMiddle := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/SCROLLMIDDLE', []);
  88
  89     LogoTex := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/MAINLOGO', [TGLHints.txNoRepeat]);
  90     nopic := r_Common_LoadTextureFromFile(GameWad + ':TEXTURES/NOPIC', [TGLHints.txNoRepeat]);
  91   end;
  92
  93   procedure r_GUI_Free;
  94     var i: Integer;
  95   begin
  96     Font[FALSE] := nil;
  97     Font[TRUE] := nil;
  98
  99     r_Common_FreeAndNil(MarkerID[FALSE]);
 100     r_Common_FreeAndNil(MarkerID[TRUE]);
 101
 102     for i := 0 to 8 do
 103       r_Common_FreeAndNil(Box[i]);
 104
 105     r_Common_FreeAndNil(ScrollLeft);
 106     r_Common_FreeAndNil(ScrollRight);
 107     r_Common_FreeAndNil(ScrollMiddle);
 108     r_Common_FreeAndNil(ScrollMarker);
 109
 110     r_Common_FreeAndNil(EditLeft);
 111     r_Common_FreeAndNil(EditRight);
 112     r_Common_FreeAndNil(EditMiddle);
 113
 114     r_Common_FreeAndNil(BScrollUp[true]);
 115     r_Common_FreeAndNil(BScrollUp[false]);
 116     r_Common_FreeAndNil(BScrollDown[true]);
 117     r_Common_FreeAndNil(BScrollDown[false]);
 118     r_Common_FreeAndNil(BScrollMiddle);
 119
 120     r_Common_FreeAndNil(LogoTex);
 121     r_Common_FreeAndNil(nopic);
 122
 123     r_Common_FreeThis(Background);
 124     r_Common_FreeThis(ImageControl);
 125   end;
 126
 127   procedure r_GUI_GetMaxFontSize (BigFont: Boolean; out w, h: Integer);
 128     var f: TGLFont;
 129   begin
 130     f := Font[BigFont];
 131     w := f.GetMaxWidth();
 132     h := f.GetMaxHeight();
 133   end;
 134
 135   procedure r_GUI_GetStringSize (BigFont: Boolean; str: String; out w, h: Integer);
 136   begin
 137     r_Draw_GetTextSize(str, Font[BigFont], w, h);
 138   end;
 139
 140   procedure r_GUI_GetLogoSize (out w, h: Integer);
 141   begin
 142     w := 0; h := 0;
 143     if LogoTex <> nil then
 144     begin
 145       w := LogoTex.width;
 146       h := LogoTex.height;
 147     end;
 148   end;
 149
 150   procedure r_GUI_GetSize_TextButton (ctrl: TGUITextButton; out w, h: Integer);
 151   begin
 152     r_Draw_GetTextSize(ctrl.Caption, Font[ctrl.BigFont], w, h);
 153   end;
 154
 155   procedure r_GUI_GetSize_Label (ctrl: TGUILabel; out w, h: Integer);
 156     var f: TGLFont;
 157   begin
 158     f := Font[ctrl.BigFont];
 159     r_Draw_GetTextSize(ctrl.Text, f, w, h);
 160     if ctrl.FixedLength <> 0 then
 161       w := f.GetMaxWidth() * ctrl.FixedLength;
 162   end;
 163
 164   procedure r_GUI_GetSize_Switch (ctrl: TGUISwitch; out w, h: Integer);
 165     var i: Integer;
 166   begin
 167     w := 0; h := 0;
 168     if ctrl.Items <> nil then
 169       for i := 0 to High(ctrl.Items) do
 170         r_Draw_GetTextSize(ctrl.Items[i], Font[ctrl.BigFont], w, h);
 171   end;
 172
 173   procedure r_GUI_GetSize_KeyRead (ctrl: TGUIKeyRead; out w, h: Integer);
 174     var i, ww, hh: Integer; f: TGLFont;
 175   begin
 176     w := 0; h := 0; // ??? h always 0
 177     f := Font[ctrl.BigFont];
 178     for i := 0 to 255 do
 179     begin
 180       r_Draw_GetTextSize(e_KeyNames[i], f, ww, hh);
 181       w := MAX(w, ww);
 182     end;
 183     r_Draw_GetTextSize(KEYREAD_QUERY, f, ww, hh);
 184     w := MAX(w, ww);
 185     r_Draw_GetTextSize(KEYREAD_CLEAR, f, ww, hh);
 186     w := MAX(w, ww);
 187   end;
 188
 189   procedure r_GUI_GetSize (ctrl: TGUIControl; out w, h: Integer);
 190   begin
 191     w := 0;
 192     h := 0;
 193     if ctrl is TGUITextButton then
 194       r_GUI_GetSize_TextButton(ctrl as TGUITextButton, w, h)
 195     else if ctrl is TGUILabel then
 196       r_GUI_GetSize_Label(ctrl as TGUILabel, w, h)
 197     else if ctrl is TGUIScroll then
 198       w := 16 + ((ctrl as TGUIScroll).Max + 1) * 8 // ??? but h = 0
 199     else if ctrl is TGUISwitch then
 200       r_GUI_GetSize_Switch(ctrl as TGUISwitch, w, h)
 201     else if ctrl is TGUIEdit then
 202       w := 16 + (ctrl as TGUIEdit).Width * 16 // ??? but h = 0
 203     else if ctrl is TGUIKeyRead then
 204       r_GUI_GetSize_KeyRead(ctrl as TGUIKeyRead, w, h)
 205     else if ctrl is TGUIKeyRead2 then
 206       w := (ctrl as TGUIKeyRead2).MaxKeyNameWdt * 2 + 8 + 8 + 16 // ??? but h = 0
 207     else if ctrl is TGUIListBox then
 208     begin
 209       w := 8 + ((ctrl as TGUIListBox).Width + 1) * 16; // recheck w & h
 210       h := 8 + (ctrl as TGUIListBox).Height * 16;
 211     end
 212     else if ctrl is TGUIMemo then
 213     begin
 214       w := 8 + ((ctrl as TGUIMemo).Width + 1) * 16;
 215       h := 8 + (ctrl as TGUIMemo).Height * 16;
 216     end
 217     else
 218     begin
 219       w := ctrl.GetWidth();
 220       h := ctrl.GetHeight();
 221     end;
 222   end;
 223
 224   procedure r_GUI_Draw_Control (ctrl: TGUIControl); forward;
 225
 226   procedure r_GUI_Draw_TextButton (ctrl: TGUITextButton);
 227   begin
 228     r_Draw_Text(ctrl.Caption, ctrl.x, ctrl.y, ctrl.Color.R, ctrl.Color.G, ctrl.Color.B, 255, Font[ctrl.BigFont]);
 229   end;
 230
 231   procedure r_GUI_Draw_Label (ctrl: TGUILabel);
 232     var w, h: Integer; f: TGLFont;
 233   begin
 234     f := Font[ctrl.BigFont];
 235     if ctrl.RightAlign then
 236     begin
 237       r_Draw_GetTextSize(ctrl.Text, f, w, h);
 238       r_Draw_Text(ctrl.Text, ctrl.X + ctrl.CMaxWidth - w, ctrl.Y, ctrl.Color.R, ctrl.Color.G, ctrl.Color.B, 255, f);
 239     end
 240     else
 241       r_Draw_Text(ctrl.Text, ctrl.X, ctrl.Y, ctrl.Color.R, ctrl.Color.G, ctrl.Color.B, 255, f);
 242   end;
 243
 244   procedure r_GUI_Draw_Scroll (ctrl: TGUIScroll);
 245   begin
 246     r_Draw_Texture(ScrollLeft, ctrl.X, ctrl.Y, ScrollLeft.width, ScrollLeft.height, false, 255, 255, 255, 255, false);
 247     r_Draw_TextureRepeat(ScrollMiddle, ctrl.X + 8 + 0 * 8, ctrl.Y, 8 + ctrl.Max * 8, ScrollMiddle.height, false, 255, 255, 255, 255, false);
 248     r_Draw_Texture(ScrollRight, ctrl.X + 8 + (ctrl.Max + 1) * 8, ctrl.Y, ScrollRight.width, ScrollRight.height, false, 255, 255, 255, 255, false);
 249     r_Draw_Texture(ScrollMarker, ctrl.X + 8 + ctrl.Value * 8, ctrl.Y, ScrollMarker.width, ScrollMarker.height, false, 255, 255, 255, 255, false);
 250   end;
 251
 252   procedure r_GUI_Draw_Switch (ctrl: TGUISwitch);
 253   begin
 254     r_Draw_Text(ctrl.Items[ctrl.ItemIndex], ctrl.X, ctrl.Y, ctrl.Color.R, ctrl.Color.G, ctrl.Color.B, 255, Font[ctrl.BigFont]);
 255   end;
 256
 257   procedure r_GUI_Draw_Edit (ctrl: TGUIEdit);
 258     var w, h: Integer; r, g, b: Byte; f: TGLFont;
 259   begin
 260     r_Draw_Texture(EditLeft, ctrl.X, ctrl.Y, EditLeft.width, EditLeft.height, false, 255, 255, 255, 255, false);
 261     r_Draw_TextureRepeat(EditMiddle, ctrl.X + 8, ctrl.Y, 8 + ctrl.Width * 16, EditMiddle.height, false, 255, 255, 255, 255, false);
 262     r_Draw_Texture(EditRight, ctrl.X + 8 + ctrl.Width * 16, ctrl.Y, EditRight.width, EditRight.height, false, 255, 255, 255, 255, false);
 263     r := ctrl.Color.R;
 264     g := ctrl.Color.G;
 265     b := ctrl.Color.B;
 266     if ctrl.Invalid and (ctrl.Window.ActiveControl <> ctrl) then
 267     begin
 268       r := 128;
 269       g := 128;
 270       b := 128;
 271     end;
 272     f := Font[ctrl.BigFont];
 273     r_Draw_Text(ctrl.Text, ctrl.X + 8, ctrl.Y, r, g, b, 255, f);
 274     if ctrl.Window.ActiveControl = ctrl then
 275     begin
 276       r_Draw_GetTextSize(Copy(ctrl.Text, 1, ctrl.CaretPos), f, w, h);
 277       r_Draw_FillRect(ctrl.X + 8 + w, ctrl.Y + h - 4, ctrl.X + 8 + w + EDIT_CURSORLEN, ctrl.Y + h - 2, 200, 0, 0, 255);
 278     end;
 279   end;
 280
 281   procedure r_GUI_Draw_KeyRead (ctrl: TGUIKeyRead);
 282     var k: AnsiString;
 283   begin
 284     if ctrl.IsQuery then
 285       k := KEYREAD_QUERY
 286     else if ctrl.Key <> 0 then
 287       k := e_KeyNames[ctrl.Key]
 288     else
 289       k := KEYREAD_CLEAR;
 290     r_Draw_Text(k, ctrl.X, ctrl.Y, ctrl.Color.R, ctrl.Color.G, ctrl.Color.B, 255, Font[ctrl.BigFont]);
 291   end;
 292
 293   procedure r_GUI_Draw_KeyRead2 (ctrl: TGUIKeyRead2);
 294
 295     procedure drawText (idx: Integer);
 296       var x, y: Integer; r, g, b: Byte; kk: DWORD; str: AnsiString;
 297     begin
 298       if idx = 0 then kk := ctrl.Key0 else kk := ctrl.Key1;
 299       y := ctrl.Y;
 300       if idx = 0 then x := ctrl.X + 8 else x := ctrl.X + 8 + ctrl.MaxKeyNameWdt + 16;
 301       r := 255; g := 0; b := 0;
 302       if ctrl.KeyIdx = idx then
 303       begin
 304         r := 255; g := 255; b := 255;
 305       end;
 306       if ctrl.IsQuery and (ctrl.KeyIdx = idx) then
 307         str := KEYREAD_QUERY
 308       else if kk <> 0 then
 309         str := e_KeyNames[kk]
 310       else
 311         str := KEYREAD_CLEAR;
 312       r_Draw_Text(str, x, y, r, g, b, 255, Font[ctrl.BigFont]);
 313     end;
 314
 315   begin
 316     drawText(0);
 317     drawText(1);
 318   end;
 319
 320   procedure DrawBox (x, y, w, h: Integer);
 321   begin
 322     r_Draw_Texture(Box[0], x, y, 4, 4, false, 255, 255, 255, 255, false);
 323     r_Draw_TextureRepeat(Box[1], x + 4, y, w * 16, 4, false, 255, 255, 255, 255, false);
 324     r_Draw_Texture(Box[2], x + 4 + w * 16, y, 4, 4, false, 255, 255, 255, 255, false);
 325
 326     r_Draw_TextureRepeat(Box[3], x, y + 4, 4, h * 16, false, 255, 255, 255, 255, false);
 327     r_Draw_TextureRepeat(Box[4], x + 4, y + 4, w * 16, h * 16, false, 255, 255, 255, 255, false);
 328     r_Draw_TextureRepeat(Box[5], x + 4 + w * 16, y + 4, 4, h * 16, false, 255, 255, 255, 255, false);
 329
 330     r_Draw_Texture(Box[6], x, y + 4 + h * 16, 4, 4, false, 255, 255, 255, 255, false);
 331     r_Draw_TextureRepeat(Box[7], x + 4, y + 4 + h * 16, w * 16, 4, false, 255, 255, 255, 255, false);
 332     r_Draw_Texture(Box[8], x + 4 + w * 16, y + 4 + h * 16, 4, 4, false, 255, 255, 255, 255, false);
 333   end;
 334
 335   procedure r_GUI_Draw_ModelView (ctrl: TGUIModelView);
 336   begin
 337     DrawBox(ctrl.X, ctrl.Y, 4, 4);
 338     if ctrl.Model <> nil then
 339       r_Map_DrawPlayerModel(ctrl.Model, ctrl.X + 4, ctrl.Y + 4, 255);
 340   end;
 341
 342   procedure r_GUI_Draw_MapPreview (ctrl: TGUIMapPreview);
 343     var a: Integer; r, g, b: Byte;
 344   begin
 345     DrawBox(ctrl.X, ctrl.Y, MAPPREVIEW_WIDTH, MAPPREVIEW_HEIGHT);
 346     if (ctrl.MapSize.X <= 0) or (ctrl.MapSize.Y <= 0) then
 347       Exit;
 348     r_Draw_FillRect(ctrl.X + 4, ctrl.Y + 4, ctrl.X + 4 + Trunc(ctrl.MapSize.X / ctrl.Scale), ctrl.Y + 4 + Trunc(ctrl.MapSize.Y / ctrl.Scale), 32, 32, 32, 255);
 349     if ctrl.MapData <> nil then
 350       for a := 0 to High(ctrl.MapData) do
 351         with ctrl.MapData[a] do
 352         begin
 353           if X1 > MAPPREVIEW_WIDTH * 16 then Continue;
 354           if Y1 > MAPPREVIEW_HEIGHT * 16 then Continue;
 355           if X2 < 0 then Continue;
 356           if Y2 < 0 then Continue;
 357           if X2 > MAPPREVIEW_WIDTH * 16 then X2 := MAPPREVIEW_WIDTH * 16;
 358           if Y2 > MAPPREVIEW_HEIGHT * 16 then Y2 := MAPPREVIEW_HEIGHT * 16;
 359           if X1 < 0 then X1 := 0;
 360           if Y1 < 0 then Y1 := 0;
 361           case PanelType of
 362             PANEL_WALL:
 363             begin
 364               r := 255; g := 255; b := 255;
 365             end;
 366             PANEL_CLOSEDOOR:
 367             begin
 368               r := 255; g := 255; b := 0;
 369             end;
 370             PANEL_WATER:
 371             begin
 372               r := 0; g := 0; b := 192;
 373             end;
 374             PANEL_ACID1:
 375             begin
 376               r := 0; g := 176; b := 0;
 377             end;
 378             PANEL_ACID2:
 379             begin
 380               r := 176; g := 0; b := 0;
 381             end;
 382           else
 383             r := 128; g := 128; b := 128;
 384           end;
 385           if ((X2 - X1) > 0) and ((Y2 - Y1) > 0) then
 386             r_Draw_FillRect(ctrl.X + 4 + X1, ctrl.Y + 4 + Y1, ctrl.X + 4 + X2, ctrl.Y + 4 + Y2, r, g, b, 255);
 387       end;
 388   end;
 389
 390   procedure r_GUI_Draw_Image (ctrl: TGUIImage);
 391     var pic: TGLTexture;
 392   begin
 393     pic := nopic;
 394     if ctrl.ImageRes <> '' then
 395       if r_Common_LoadThis(ctrl.ImageRes, ImageControl) then
 396         pic := ImageControl.id;
 397     if pic <> nil then
 398       r_Draw_Texture(pic, ctrl.x, ctrl.y, pic.width, pic.height, false, 255, 255, 255, 255, false);
 399   end;
 400
 401   procedure DrawScroll(x, y, h: Integer; Up, Down: Boolean);
 402     var t: TGLTexture;
 403   begin
 404     if h >= 3 then
 405     begin
 406       t := BScrollUp[Up];
 407       r_Draw_Texture(t, x, y, t.width, t.height, false, 255, 255, 255, 255, false);
 408       t := BScrollDown[Down];
 409       r_Draw_Texture(t, x, y + (h - 1) * 16, t.width, t.height, false, 255, 255, 255, 255, false);
 410       t := BScrollMiddle;
 411       r_Draw_TextureRepeat(t, x, y + 16, t.width, (h - 2) * 16, false, 255, 255, 255, 255, false);
 412     end;
 413   end;
 414
 415   procedure r_GUI_Draw_ListBox (ctrl: TGUIListBox); // + TGUIFileListBox
 416     var a, w2, h2: Integer; s: string; col: TRGB; f: TGLFont;
 417   begin
 418     if ctrl.DrawBack then
 419       DrawBox(ctrl.X, ctrl.Y, ctrl.Width + 1, ctrl.Height);
 420     if ctrl.DrawScrollBar then
 421       DrawScroll(ctrl.X + 4 + ctrl.Width * 16, ctrl.Y + 4, ctrl.Height, (ctrl.StartLine > 0) and (ctrl.Items <> nil), (ctrl.StartLine + ctrl.Height - 1 < High(ctrl.Items)) and (ctrl.Items <> nil));
 422     if ctrl.Items <> nil then
 423     begin
 424       f := Font[ctrl.BigFont];
 425       for a := ctrl.StartLine to Min(High(ctrl.Items), ctrl.StartLine + ctrl.Height - 1) do
 426       begin
 427         s := ctrl.Items[a];
 428         r_Draw_GetTextSize(s, f, w2, h2);
 429         while (Length(s) > 0) and (w2 > ctrl.Width * 16) do
 430         begin
 431           SetLength(s, Length(s) - 1);
 432           r_Draw_GetTextSize(s, f, w2, h2);
 433         end;
 434         if a = ctrl.ItemIndex then col := ctrl.ActiveColor else col := ctrl.UnActiveColor;
 435         r_Draw_Text(s, ctrl.X + 4, ctrl.Y + 4 + (a - ctrl.StartLine) * 16, col.r, col.g, col.b, 255, f);
 436       end;
 437     end;
 438   end;
 439
 440   procedure r_GUI_Draw_Memo (ctrl: TGUIMemo);
 441     var i: Integer;
 442   begin
 443     if ctrl.DrawBack then
 444       DrawBox(ctrl.X, ctrl.Y, ctrl.Width + 1, ctrl.Height);
 445     if ctrl.DrawScrollBar then
 446       DrawScroll(ctrl.X + 4 + ctrl.Width * 16, ctrl.Y + 4, ctrl.Height, (ctrl.StartLine > 0) and (ctrl.Lines <> nil), (ctrl.StartLine + ctrl.Height - 1 < High(ctrl.Lines)) and (ctrl.Lines <> nil));
 447     if ctrl.Lines <> nil then
 448       for i := ctrl.StartLine to Min(High(ctrl.Lines), ctrl.StartLine + ctrl.Height - 1) do
 449         r_Draw_Text(ctrl.Lines[i], ctrl.X + 4, ctrl.Y + 4 + (i - ctrl.StartLine) * 16, ctrl.Color.R, ctrl.Color.G, ctrl.Color.B, 255, Font[ctrl.BigFont]);
 450   end;
 451
 452   procedure r_GUI_Draw_MainMenu (ctrl: TGUIMainMenu);
 453     var i, w, h: Integer; ID: TGLTexture;
 454   begin
 455     if ctrl.Header <> nil then
 456     begin
 457       r_GUI_Draw_Label(ctrl.Header)
 458     end
 459     else if LogoTex <> nil then
 460     begin
 461       r_GUI_GetLogoSize(w, h);
 462       r_Draw_Texture(LogoTex, ((gScreenWidth div 2) - (w div 2)), ctrl.Buttons[0].Y - ctrl.Buttons[0].GetHeight - h, w, h, false, 255, 255, 255, 255, false);
 463     end;
 464     if ctrl.Buttons <> nil then
 465     begin
 466       for i := 0 to High(ctrl.Buttons) do
 467         if ctrl.Buttons[i] <> nil then
 468           r_GUI_Draw_TextButton(ctrl.Buttons[i]);
 469       if ctrl.Index <> -1 then
 470       begin
 471         ID := MarkerID[ctrl.Counter DIV MAINMENU_MARKERDELAY MOD 2 <> 0];
 472         r_Draw_Texture(ID, ctrl.Buttons[ctrl.Index].X - 48, ctrl.Buttons[ctrl.Index].Y, ID.width, ID.height, false, 255, 255, 255, 255, false);
 473       end
 474     end;
 475   end;
 476
 477   procedure r_GUI_Draw_Menu (ctrl: TGUIMenu);
 478     var a, locx, locy: Integer; f: TGLFont;
 479   begin
 480     if ctrl.Header <> nil then
 481       r_GUI_Draw_Label(ctrl.Header);
 482     if ctrl.Items <> nil then
 483     begin
 484       for a := 0 to High(ctrl.Items) do
 485       begin
 486         if ctrl.Items[a].Text <> nil then
 487           r_GUI_Draw_Control(ctrl.Items[a].Text);
 488         if ctrl.Items[a].Control <> nil then
 489           r_GUI_Draw_Control(ctrl.Items[a].Control);
 490       end;
 491     end;
 492     if (ctrl.Index <> -1) and (ctrl.Counter > MENU_MARKERDELAY div 2) then
 493     begin
 494       locx := 0;
 495       locy := 0;
 496       if ctrl.Items[ctrl.Index].Text <> nil then
 497       begin
 498         locx := ctrl.Items[ctrl.Index].Text.X;
 499         locy := ctrl.Items[ctrl.Index].Text.Y;
 500         //HACK!
 501         if ctrl.Items[ctrl.Index].Text.RightAlign then
 502         begin
 503           locx := locx + ctrl.Items[ctrl.Index].Text.CMaxWidth - ctrl.Items[ctrl.Index].Text.GetWidth;
 504         end;
 505       end
 506       else if ctrl.Items[ctrl.Index].Control <> nil then
 507       begin
 508         locx := ctrl.Items[ctrl.Index].Control.X;
 509         locy := ctrl.Items[ctrl.Index].Control.Y;
 510       end;
 511       f := Font[ctrl.BigFont];
 512       locx := locx - f.GetMaxWidth();
 513       r_Draw_Text(#16, locx, locy, 255, 0, 0, 255, f);
 514     end;
 515   end;
 516
 517   procedure r_GUI_Draw_Control (ctrl: TGUIControl);
 518   begin
 519     if ctrl is TGUITextButton then
 520       r_GUI_Draw_TextButton(TGUITextButton(ctrl))
 521     else if ctrl is TGUILabel then
 522       r_GUI_Draw_Label(TGUILabel(ctrl))
 523     else if ctrl is TGUIScroll then
 524       r_GUI_Draw_Scroll(TGUIScroll(ctrl))
 525     else if ctrl is TGUISwitch then
 526       r_GUI_Draw_Switch(TGUISwitch(ctrl))
 527     else if ctrl is TGUIEdit then
 528       r_GUI_Draw_Edit(TGUIEdit(ctrl))
 529     else if ctrl is TGUIKeyRead then
 530       r_GUI_Draw_KeyRead(TGUIKeyRead(ctrl))
 531     else if ctrl is TGUIKeyRead2 then
 532       r_GUI_Draw_KeyRead2(TGUIKeyRead2(ctrl))
 533     else if ctrl is TGUIModelView then
 534       r_GUI_Draw_ModelView(TGUIModelView(ctrl))
 535     else if ctrl is TGUIMapPreview then
 536       r_GUI_Draw_MapPreview(TGUIMapPreview(ctrl))
 537     else if ctrl is TGUIImage then
 538       r_GUI_Draw_Image(TGUIImage(ctrl))
 539     else if ctrl is TGUIListBox then
 540       r_GUI_Draw_ListBox(TGUIListBox(ctrl)) // + TGUIFileListBox
 541     else if ctrl is TGUIMemo then
 542       r_GUI_Draw_Memo(TGUIMemo(ctrl))
 543     else if ctrl is TGUIMainMenu then
 544       r_GUI_Draw_MainMenu(TGUIMainMenu(ctrl))
 545     else if ctrl is TGUIMenu then
 546       r_GUI_Draw_Menu(TGUIMenu(ctrl))
 547     else
 548       Assert(False)
 549   end;
 550
 551   procedure r_GUI_Draw_Window (win: TGUIWindow);
 552     var i, tw, th: Integer;
 553   begin
 554     // Here goes code duplication from g_game.pas:DrawMenuBackground()
 555     if win.BackTexture <> '' then
 556       if r_Common_LoadThis(win.BackTexture, Background) then
 557       begin
 558         r_Draw_FillRect(0, 0, gScreenWidth - 1, gScreenHeight - 1, 0, 0, 0, 255);
 559         tw := Background.id.width;
 560         th := Background.id.height;
 561         if tw = th then
 562           tw := round(tw * 1.333 * (gScreenHeight / th))
 563         else
 564           tw := trunc(tw * (gScreenHeight / th));
 565         r_Draw_Texture(Background.id, (gScreenWidth - tw) div 2, 0, tw, gScreenHeight, false, 255, 255, 255, 255, false);
 566       end
 567       else
 568         r_Draw_FillRect(0, 0, gScreenWidth - 1, gScreenHeight - 1, 127, 127, 127, 255);
 569
 570     // small hack here
 571     if win.Name = 'AuthorsMenu' then
 572       r_Draw_FillRect(0, 0, gScreenWidth - 1, gScreenHeight - 1, 0, 0, 0, 105);
 573     for i := 0 to High(win.Childs) do
 574       if win.Childs[i] <> nil then
 575         r_GUI_Draw_Control(win.Childs[i]);
 576   end;
 577
 578 end.