(* Copyright (C)  Doom 2D: Forever Developers
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License ONLY.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *)
{$INCLUDE ../../../shared/a_modes.inc}
unit r_render;

interface

  uses
    {$IFDEF ENABLE_MENU}
      g_gui,
    {$ENDIF}
    g_base // TRectWH
  ;

  procedure r_Render_Initialize;
  procedure r_Render_Finalize;

  procedure r_Render_Load;
  procedure r_Render_Free;

  procedure r_Render_LoadTextures;
  procedure r_Render_FreeTextures;

  procedure r_Render_Update;
  procedure r_Render_Draw;

  procedure r_Render_Resize (w, h: Integer);
  procedure r_Render_Apply;

  function r_Render_WriteScreenShot (filename: String): Boolean;

  {$IFDEF ENABLE_GIBS}
    function r_Render_GetGibRect (m, id: Integer): TRectWH;
  {$ENDIF}

  {$IFDEF ENABLE_GFX}
    procedure r_Render_QueueEffect (AnimType, X, Y: Integer);
  {$ENDIF}

  {$IFDEF ENABLE_TOUCH}
    // touch screen button location and size
    procedure r_Render_GetKeyRect (key: Integer; out x, y, w, h: Integer; out founded: Boolean);
  {$ENDIF}

  {$IFDEF ENABLE_MENU}
    procedure r_Render_GetControlSize (ctrl: TGUIControl; out w, h: Integer);
    procedure r_Render_GetLogoSize (out w, h: Integer);
    procedure r_Render_GetMaxFontSize (BigFont: Boolean; out w, h: Integer);
    procedure r_Render_GetStringSize (BigFont: Boolean; str: String; out w, h: Integer);
  {$ENDIF}

  procedure r_Render_DrawLoading (force: Boolean); // !!! remove it

implementation

  uses
    {$IFDEF ENABLE_SYSTEM}
      g_system,
    {$ENDIF}
    SysUtils, Classes, Math,
    e_log, utils,
    g_game, g_options, g_console
  ;

  procedure r_Render_LoadTextures;
  begin
  end;

  procedure r_Render_FreeTextures;
  begin
  end;

  procedure r_Render_Load;
  begin
  end;

  procedure r_Render_Free;
  begin
  end;

  procedure r_Render_Initialize;
  begin
    {$IFDEF ENABLE_SYSTEM}
      if sys_SetDisplayMode(gRC_Width, gRC_Height, gBPP, gRC_FullScreen, gRC_Maximized) = False then
        raise Exception.Create('Failed to set videomode on startup.');
    {$ENDIF}
  end;

  procedure r_Render_Finalize;
  begin
  end;

  procedure r_Render_Update;
  begin
  end;

  procedure r_Render_Draw;
  begin
  end;

  procedure r_Render_Resize (w, h: Integer);
  begin
    gWinSizeX := w;
    gWinSizeY := h;
    gRC_Width := w;
    gRC_Height := h;
    gScreenWidth := w;
    gScreenHeight := h;
  end;

  procedure r_Render_Apply;
  begin
    {$IFDEF ENABLE_SYSTEM}
      if sys_SetDisplayMode(Max(1, gRC_Width), Max(1, gRC_Height), Max(1, gBPP), gRC_FullScreen, gRC_Maximized) then
        e_LogWriteln('resolution changed')
      else
        e_LogWriteln('resolution not changed');
      sys_EnableVSync(gVSync)
    {$ENDIF}
  end;

  function r_Render_WriteScreenShot (filename: String): Boolean;
  begin
    Result := False;
  end;

{$IFDEF ENABLE_GIBS}
  function r_Render_GetGibRect (m, id: Integer): TRectWH;
  begin
    Result.X := 16;
    Result.Y := 16;
    Result.Width := 16;
    Result.Height := 16;
  end;
{$ENDIF}

{$IFDEF ENABLE_GFX}
  procedure r_Render_QueueEffect (AnimType, X, Y: Integer);
  begin
  end;
{$ENDIF}

{$IFDEF ENABLE_TOUCH}
  procedure r_Render_GetKeyRect (key: Integer; out x, y, w, h: Integer; out founded: Boolean);
  begin
    founded := False;
  end;
{$ENDIF}

{$IFDEF ENABLE_MENU}
  procedure r_Render_GetControlSize (ctrl: TGUIControl; out w, h: Integer);
  begin
    w := 0; h := 0;
  end;

  procedure r_Render_GetLogoSize (out w, h: Integer);
  begin
    w := 0; h := 0;
  end;

  procedure r_Render_GetMaxFontSize (BigFont: Boolean; out w, h: Integer);
  begin
    w := 0; h := 0;
  end;

  procedure r_Render_GetStringSize (BigFont: Boolean; str: String; out w, h: Integer);
  begin
    w := 0; h := 0;
  end;
{$ENDIF}

  procedure r_Render_DrawLoading (force: Boolean);
  begin
  end;

end.