From: FGSFDSFGS <derp.primus@gmail.com>
Date: Tue, 12 Apr 2016 19:32:53 +0000 (+0300)
Subject: added headless mode
X-Git-Url: http://deadsoftware.ru/gitweb?a=commitdiff_plain;h=0968d19494ddf24230a822c02acbe3a3334bc3ad;p=d2df-sdl.git

added headless mode
---

diff --git a/build_headless.bat b/build_headless.bat
new file mode 100644
index 0000000..9580d69
--- /dev/null
+++ b/build_headless.bat
@@ -0,0 +1,5 @@
+@echo off
+cd "./src/game"
+fpc -dUSE_FMOD -dHEADLESS -MDELPHI -O2 -FE../../bin -FU../../tmp -oDoom2DF_H.exe Doom2DF.dpr
+cd ".."
+pause
\ No newline at end of file
diff --git a/src/engine/e_graphics.pas b/src/engine/e_graphics.pas
index 67cdb65..4312312 100644
--- a/src/engine/e_graphics.pas
+++ b/src/engine/e_graphics.pas
@@ -102,9 +102,6 @@ procedure e_Clear(Mask: TGLbitfield; Red, Green, Blue: Single); overload;
 procedure e_Clear(); overload;
 procedure e_EndRender();
 
-procedure e_SaveGLContext();
-procedure e_RestoreGLContext();
-
 function e_GetGamma(win: PSDL_Window): Byte;
 procedure e_SetGamma(win: PSDL_Window;Gamma: Byte);
 
@@ -118,6 +115,7 @@ function _TRect(L, T, R, B: LongInt): TRect;
 
 var
   e_Colors: TRGB;
+  e_NoGraphics: Boolean = False;
 
 implementation
 
@@ -167,11 +165,16 @@ var
 //------------------------------------------------------------------
 procedure e_InitGL();
 begin
-  glDisable(GL_DEPTH_TEST);
-  glEnable(GL_SCISSOR_TEST);
+  if e_NoGraphics then
+  begin
+    e_DummyTextures := True;
+    Exit;
+  end;
   e_Colors.R := 255;
   e_Colors.G := 255;
   e_Colors.B := 255;
+  glDisable(GL_DEPTH_TEST);
+  glEnable(GL_SCISSOR_TEST);
   glClearColor(0, 0, 0, 0);
 end;
 
@@ -180,6 +183,7 @@ var
   mat: Array [0..15] of GLDouble;
 
 begin
+  if e_NoGraphics then Exit;
   glLoadIdentity();
   glScissor(X, Y, Width, Height);
   glViewport(X, Y, Width, Height);
@@ -337,15 +341,18 @@ var
 begin
  w := e_Textures[ID].Width;
  h := e_Textures[ID].Height;
- data := GetMemory(w*h*4);
- glEnable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, e_Textures[ID].tx.id);
- glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
 
  Result.Y := 0;
  Result.X := 0;
  Result.Width := w;
  Result.Height := h;
+ 
+ if e_NoGraphics then Exit;
+ 
+ data := GetMemory(w*h*4);
+ glEnable(GL_TEXTURE_2D);
+ glBindTexture(GL_TEXTURE_2D, e_Textures[ID].tx.id);
+ glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
 
  for y := h-1 downto 0 do
  begin
@@ -434,6 +441,7 @@ procedure e_Draw(ID: DWORD; X, Y: Integer; Alpha: Byte; AlphaChannel: Boolean;
 var
   u, v: Single;
 begin
+  if e_NoGraphics then Exit;
   glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
 
   if (Alpha > 0) or (AlphaChannel) or (Blending) then
@@ -491,6 +499,7 @@ procedure e_DrawSize(ID: DWORD; X, Y: Integer; Alpha: Byte; AlphaChannel: Boolea
 var
   u, v: Single;
 begin
+  if e_NoGraphics then Exit;
   glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
 
   if (Alpha > 0) or (AlphaChannel) or (Blending) then
@@ -528,6 +537,7 @@ procedure e_DrawSizeMirror(ID: DWORD; X, Y: Integer; Alpha: Byte; AlphaChannel:
 var
   u, v: Single;
 begin
+  if e_NoGraphics then Exit;
   glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
 
   if (Alpha > 0) or (AlphaChannel) or (Blending) then
@@ -586,6 +596,7 @@ var
   X2, Y2, dx, w, h: Integer;
   u, v: Single;
 begin
+  if e_NoGraphics then Exit;
   glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
 
   if (Alpha > 0) or (AlphaChannel) or (Blending) then
@@ -660,6 +671,7 @@ procedure e_DrawAdv(ID: DWORD; X, Y: Integer; Alpha: Byte; AlphaChannel: Boolean
 var
   u, v: Single;
 begin
+  if e_NoGraphics then Exit;
   glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
 
   if (Alpha > 0) or (AlphaChannel) or (Blending) then
@@ -726,6 +738,7 @@ end;
 
 procedure e_DrawPoint(Size: Byte; X, Y: Integer; Red, Green, Blue: Byte);
 begin
+  if e_NoGraphics then Exit;
   glDisable(GL_TEXTURE_2D);
   glColor3ub(Red, Green, Blue);
   glPointSize(Size);
@@ -766,6 +779,7 @@ procedure e_DrawQuad(X1, Y1, X2, Y2: Integer; Red, Green, Blue: Byte; Alpha: Byt
 var
   nX1, nY1, nX2, nY2: Integer;
 begin
+  if e_NoGraphics then Exit;
   // Only top-left/bottom-right quad
   if X1 > X2 then
   begin
@@ -825,6 +839,7 @@ end;
 procedure e_DrawFillQuad(X1, Y1, X2, Y2: Integer; Red, Green, Blue, Alpha: Byte;
                          Blending: TBlending = B_NONE);
 begin
+  if e_NoGraphics then Exit;
   if (Alpha > 0) or (Blending <> B_NONE) then
     glEnable(GL_BLEND)
   else
@@ -862,6 +877,7 @@ end;
 
 procedure e_DrawLine(Width: Byte; X1, Y1, X2, Y2: Integer; Red, Green, Blue: Byte; Alpha: Byte = 0);
 begin
+  if e_NoGraphics then Exit;
   // Pixel-perfect lines
   if Width = 1 then
     e_LineCorrection(X1, Y1, X2, Y2);
@@ -892,7 +908,8 @@ end;
 //------------------------------------------------------------------
 procedure e_DeleteTexture(ID: DWORD);
 begin
-  glDeleteTextures(1, @e_Textures[ID].tx.id);
+  if not e_NoGraphics then
+    glDeleteTextures(1, @e_Textures[ID].tx.id);
   e_Textures[ID].tx.id := 0;
   e_Textures[ID].Width := 0;
   e_Textures[ID].Height := 0;
@@ -923,29 +940,34 @@ end;
 
 procedure e_BeginRender();
 begin
+  if e_NoGraphics then Exit;
   glEnable(GL_ALPHA_TEST);
   glAlphaFunc(GL_GREATER, 0.0);
 end;
 
 procedure e_Clear(Mask: TGLbitfield; Red, Green, Blue: Single); overload;
 begin
- glClearColor(Red, Green, Blue, 0);
- glClear(Mask);
+  if e_NoGraphics then Exit;
+  glClearColor(Red, Green, Blue, 0);
+  glClear(Mask);
 end;
 
 procedure e_Clear(); overload;
 begin
- glClearColor(0, 0, 0, 0);
- glClear(GL_COLOR_BUFFER_BIT);
+  if e_NoGraphics then Exit;
+  glClearColor(0, 0, 0, 0);
+  glClear(GL_COLOR_BUFFER_BIT);
 end;
 
 procedure e_EndRender();
 begin
+  if e_NoGraphics then Exit;
   glPopMatrix();
 end;
 
 procedure e_MakeScreenshot(FileName: String; Width, Height: Word);
 begin
+  if e_NoGraphics then Exit;
 end;
 
 {type
@@ -1025,6 +1047,8 @@ var
   A, B: double;
   i, j: integer;
 begin
+ Result := 0;
+ if e_NoGraphics then Exit;
  rgb[0] := 1.0;
  rgb[1] := 1.0;
  rgb[2] := 1.0;
@@ -1059,6 +1083,7 @@ var
   r: double;
   g: double;
 begin
+ if e_NoGraphics then Exit;
  g := (100 - Gamma)*(2.7 - 0.23)/100 + 0.23;
 
  for i := 0 to 255 do
@@ -1125,6 +1150,7 @@ procedure e_CharFont_Print(FontID: DWORD; X, Y: Integer; Text: string);
 var
   a: Integer;
 begin
+ if e_NoGraphics then Exit;
  if Text = '' then Exit;
  if e_CharFonts = nil then Exit;
  if Integer(FontID) > High(e_CharFonts) then Exit;
@@ -1147,6 +1173,7 @@ var
   a: Integer;
   c: TRGB;
 begin
+ if e_NoGraphics then Exit;
  if Text = '' then Exit;
  if e_CharFonts = nil then Exit;
  if Integer(FontID) > High(e_CharFonts) then Exit;
@@ -1181,6 +1208,7 @@ var
   tc, c: TRGB;
   w, h: Word;
 begin
+  if e_NoGraphics then Exit;
   if Text = '' then Exit;
   if e_CharFonts = nil then Exit;
   if Integer(FontID) > High(e_CharFonts) then Exit;
@@ -1397,6 +1425,7 @@ var
   cx, cy : real;
   i, id: DWORD;
 begin
+ if e_NoGraphics then Exit;
  e_WriteLog('Creating texture font...', MSG_NOTIFY);
 
  id := DWORD(-1);
@@ -1454,56 +1483,16 @@ begin
  FontID := id;
 end;
 
-procedure e_TextureFontBuildInPlace(id: DWORD);
-var
-  loop1 : GLuint;
-  cx, cy : real;
-  XCount, YCount, Space: Integer;
-  {i,} Tex: DWORD;
-begin
- with e_TextureFonts[id] do
- begin
-  Base := glGenLists(XC*YC);
-  TextureID := e_Textures[Texture].tx.id;
-  XCount := XC;
-  YCount := YC;
-  Space := SPC;
-  Tex := Texture;
- end;
-
- glBindTexture(GL_TEXTURE_2D, e_Textures[Tex].tx.id);
- for loop1 := 0 to XCount*YCount-1 do
- begin
-  cx := (loop1 mod XCount)/XCount;
-  cy := (loop1 div YCount)/YCount;
-
-  glNewList(e_TextureFonts[id].Base+loop1, GL_COMPILE);
-   glBegin(GL_QUADS);
-    glTexCoord2f(cx, 1.0-cy-1/YCount);
-    glVertex2d(0, e_Textures[Tex].Height div YCount);
-
-    glTexCoord2f(cx+1/XCount, 1.0-cy-1/YCount);
-    glVertex2i(e_Textures[Tex].Width div XCount, e_Textures[Tex].Height div YCount);
-
-    glTexCoord2f(cx+1/XCount, 1.0-cy);
-    glVertex2i(e_Textures[Tex].Width div XCount, 0);
-
-    glTexCoord2f(cx, 1.0-cy);
-    glVertex2i(0, 0);
-   glEnd();
-   glTranslated((e_Textures[Tex].Width div XCount)+Space, 0, 0);
-  glEndList();
- end;
-end;
-
 procedure e_TextureFontKill(FontID: DWORD);
 begin
+  if e_NoGraphics then Exit;
   glDeleteLists(e_TextureFonts[FontID].Base, 256);
   e_TextureFonts[FontID].Base := 0;
 end;
 
 procedure e_TextureFontPrint(X, Y: GLint; Text: string; FontID: DWORD);
 begin
+  if e_NoGraphics then Exit;
   if Integer(FontID) > High(e_TextureFonts) then Exit;
   if Text = '' then Exit;
 
@@ -1527,6 +1516,7 @@ end;
 // god forgive me for this, but i cannot figure out how to do it without lists
 procedure e_TextureFontPrintChar(X, Y: Integer; Ch: Char; FontID: DWORD; Shadow: Boolean = False);
 begin
+  if e_NoGraphics then Exit;
   glPushMatrix;
 
   if Shadow then
@@ -1551,6 +1541,7 @@ var
   tc, c: TRGB;
   w: Word;
 begin
+  if e_NoGraphics then Exit;
   if Text = '' then Exit;
   if e_TextureFonts = nil then Exit;
   if Integer(FontID) > High(e_TextureFonts) then Exit;
@@ -1640,6 +1631,7 @@ end;
 procedure e_TextureFontPrintEx(X, Y: GLint; Text: string; FontID: DWORD; Red, Green,
                     Blue: Byte; Scale: Single; Shadow: Boolean = False);
 begin
+  if e_NoGraphics then Exit;
   if Text = '' then Exit;
 
   glPushMatrix;
@@ -1673,6 +1665,9 @@ end;
 
 procedure e_TextureFontGetSize(ID: DWORD; var CharWidth, CharHeight: Byte);
 begin
+  CharWidth := 16;
+  CharHeight := 16;
+  if e_NoGraphics then Exit;
   if Integer(ID) > High(e_TextureFonts) then
     Exit;
   CharWidth := e_TextureFonts[ID].CharWidth;
@@ -1683,6 +1678,7 @@ procedure e_RemoveAllTextureFont();
 var
  i: integer;
 begin
+ if e_NoGraphics then Exit;
  if e_TextureFonts = nil then Exit;
 
  for i := 0 to High(e_TextureFonts) do
@@ -1695,94 +1691,6 @@ begin
  e_TextureFonts := nil;
 end;
 
-procedure e_SaveGLContext();
-var
-  PxLen: Cardinal;
-  i: Integer;
-begin
-  e_WriteLog('Backing up GL context:', MSG_NOTIFY);
-
-  glPushAttrib(GL_ALL_ATTRIB_BITS);
-  glPushClientAttrib(GL_CLIENT_ALL_ATTRIB_BITS);
-
-  if e_Textures <> nil then
-  begin
-    e_WriteLog('  Backing up textures...', MSG_NOTIFY);
-    SetLength(e_SavedTextures, Length(e_Textures));
-    for i := Low(e_Textures) to High(e_Textures) do
-    begin
-      e_SavedTextures[i].Pixels := nil;
-      if e_Textures[i].Width > 0 then
-      begin
-        with e_SavedTextures[i] do
-        begin
-          PxLen := 3;
-          if e_Textures[i].Fmt = GL_RGBA then Inc(PxLen);
-          Pixels := GetMem(PxLen * e_Textures[i].Width * e_Textures[i].Height);
-          glBindTexture(GL_TEXTURE_2D, e_Textures[i].tx.id);
-          glGetTexImage(GL_TEXTURE_2D, 0, e_Textures[i].Fmt, GL_UNSIGNED_BYTE, Pixels);
-          glBindTexture(GL_TEXTURE_2D, 0);
-          OldID := e_Textures[i].tx.id;
-          TexId := i;
-        end;
-      end;
-    end;
-  end;
-
-  if e_TextureFonts <> nil then
-  begin
-    e_WriteLog('  Releasing texturefonts...', MSG_NOTIFY);
-    for i := 0 to High(e_TextureFonts) do
-      if e_TextureFonts[i].Base <> 0 then
-      begin
-       glDeleteLists(e_TextureFonts[i].Base, 256);
-       e_TextureFonts[i].Base := 0;
-      end;
-  end;
-end;
-
-procedure e_RestoreGLContext();
-var
-  //GLID: GLuint;
-  i: Integer;
-begin
-  e_WriteLog('Restoring GL context:', MSG_NOTIFY);
-
-  glPopClientAttrib();
-  glPopAttrib();
-
-  if e_SavedTextures <> nil then
-  begin
-    e_WriteLog('  Regenerating textures...', MSG_NOTIFY);
-    for i := Low(e_SavedTextures) to High(e_SavedTextures) do
-    begin
-      if e_SavedTextures[i].Pixels <> nil then
-        with e_SavedTextures[i] do
-        begin
-          CreateTexture(e_Textures[TexID].tx, e_Textures[TexID].Width, e_Textures[TexID].Height, e_Textures[TexID].Fmt, Pixels);
-          //GLID := CreateTexture(e_Textures[TexID].Width, e_Textures[TexID].Height, e_Textures[TexID].Fmt, Pixels);
-          //e_Textures[TexID].tx := GLID;
-          FreeMem(Pixels);
-        end;
-    end;
-  end;
-
-  if e_TextureFonts <> nil then
-  begin
-    e_WriteLog('  Regenerating texturefonts...', MSG_NOTIFY);
-    for i := Low(e_TextureFonts) to High(e_TextureFonts) do
-      with e_TextureFonts[i] do
-      begin
-        TextureID := e_Textures[Texture].tx.id;
-        Base := 0;
-        e_TextureFontBuildInPlace(i);
-      end;
-  end;
-
-  SetLength(e_SavedTextures, 0);
-end;
-
-
 function _RGB(Red, Green, Blue: Byte): TRGB;
 begin
  Result.R := Red;
diff --git a/src/engine/e_log.pas b/src/engine/e_log.pas
index e82bfb4..e524c1a 100644
--- a/src/engine/e_log.pas
+++ b/src/engine/e_log.pas
@@ -15,6 +15,9 @@ procedure e_WriteLog(TextLine: String; RecordCategory: TRecordCategory;
                      WriteTime: Boolean = True);
 function DecodeIPV4(ip: LongWord): string;
 
+var
+  e_WriteToStdOut: Boolean = False;
+
 implementation
 
 var
@@ -33,6 +36,7 @@ procedure e_WriteLog(TextLine: String; RecordCategory: TRecordCategory;
 var
   LogFile: TextFile;
   Prefix: ShortString = '';
+  OutStr: String;
 begin
   if FileName = '' then Exit;
 
@@ -54,9 +58,12 @@ begin
         MSG_NOTIFY:     Prefix := '***';
       end;
       if WriteTime then
-        Writeln(LogFile, '['+TimeToStr(Time)+'] '+Prefix+' '+TextLine)
+        OutStr := '['+TimeToStr(Time)+'] '+Prefix+' '+TextLine
       else
-        Writeln(LogFile, Prefix+' '+TextLine);
+        OutStr := Prefix+' '+TextLine;  
+      Writeln(LogFile, OutStr);
+      if e_WriteToStdOut then
+        Writeln(OutStr);
     finally
       Close(LogFile);
     end;
diff --git a/src/engine/e_sound_fmod.inc b/src/engine/e_sound_fmod.inc
index 123db2c..acfd069 100644
--- a/src/engine/e_sound_fmod.inc
+++ b/src/engine/e_sound_fmod.inc
@@ -50,7 +50,7 @@ type
 const
   NO_SOUND_ID = DWORD(-1);
 
-function e_InitSoundSystem(): Boolean;
+function e_InitSoundSystem(NoOutput: Boolean = False): Boolean;
 
 function e_LoadSound(FileName: string; var ID: DWORD; bLoop: Boolean): Boolean;
 function e_LoadSoundMem(pData: Pointer; Length: Integer; var ID: DWORD; bLoop: Boolean): Boolean;
@@ -134,7 +134,7 @@ begin
   end;
 end;
 
-function e_TrySS (Freq: Integer; forceNoSound: Boolean): Boolean;
+function e_TrySS (Freq: Integer; forceNoSound: Integer): Boolean;
 var
   res: FMOD_RESULT;
   ver: Cardinal;
@@ -175,25 +175,37 @@ begin
     Exit;
   end;
 
-  res := FMOD_System_Init(F_System, N_CHANNELS, FMOD_INIT_NORMAL, nil);
-  if res <> FMOD_OK then
+  if forceNoSound = 2 then
   begin
-    e_WriteLog('Error initializing FMOD system!', MSG_WARNING);
-    e_WriteLog(FMOD_ErrorString(res), MSG_WARNING);
-
-    {$IFDEF LINUX}
-    res := TryInitWithOutput(FMOD_OUTPUTTYPE_ALSA, 'OUTPUTTYPE_ALSA');
-    if res <> FMOD_OK then
-      res := TryInitWithOutput(FMOD_OUTPUTTYPE_OSS, 'OUTPUTTYPE_OSS');
-    {$ENDIF}
-    if (res <> FMOD_OK) and not forceNoSound then Exit;
-    if res <> FMOD_OK then
-      res := TryInitWithOutput(FMOD_OUTPUTTYPE_NOSOUND, 'OUTPUTTYPE_NOSOUND');
+    res := TryInitWithOutput(FMOD_OUTPUTTYPE_NOSOUND, 'OUTPUTTYPE_NOSOUND');
     if res <> FMOD_OK then
     begin
-      e_WriteLog('FMOD: Giving up, can''t init any output.', MSG_FATALERROR);
+      e_WriteLog('FMOD: Giving up, can''t init with NOSOUND.', MSG_FATALERROR);
       Exit;
     end;
+  end
+  else
+  begin
+    res := FMOD_System_Init(F_System, N_CHANNELS, FMOD_INIT_NORMAL, nil);
+    if res <> FMOD_OK then
+    begin
+      e_WriteLog('Error initializing FMOD system!', MSG_WARNING);
+      e_WriteLog(FMOD_ErrorString(res), MSG_WARNING);
+
+      {$IFDEF LINUX}
+      res := TryInitWithOutput(FMOD_OUTPUTTYPE_ALSA, 'OUTPUTTYPE_ALSA');
+      if res <> FMOD_OK then
+        res := TryInitWithOutput(FMOD_OUTPUTTYPE_OSS, 'OUTPUTTYPE_OSS');
+      {$ENDIF}
+      if (res <> FMOD_OK) and (forceNoSound <> 1) then Exit;
+      if res <> FMOD_OK then
+        res := TryInitWithOutput(FMOD_OUTPUTTYPE_NOSOUND, 'OUTPUTTYPE_NOSOUND');
+      if res <> FMOD_OK then
+      begin
+        e_WriteLog('FMOD: Giving up, can''t init any output.', MSG_FATALERROR);
+        Exit;
+      end;
+    end;
   end;
 
   res := FMOD_System_GetOutput(F_System, output);
@@ -222,10 +234,15 @@ begin
   Result := True;
 end;
 
-function e_InitSoundSystem(): Boolean;
+function e_InitSoundSystem(NoOutput: Boolean = False): Boolean;
 begin
-  Result := e_TrySS(48000, False);
-  if not Result then Result := e_TrySS(44100, True);
+  if NoOutput then
+  begin
+    Result := e_TrySS(48000, 2);
+    Exit;
+  end;
+  Result := e_TrySS(48000, 0);
+  if not Result then Result := e_TrySS(44100, 1);
 end;
 
 function FindESound(): DWORD;
diff --git a/src/engine/e_sound_sdl.inc b/src/engine/e_sound_sdl.inc
index 541f31a..0104f3a 100644
--- a/src/engine/e_sound_sdl.inc
+++ b/src/engine/e_sound_sdl.inc
@@ -53,7 +53,7 @@ type
 const
   NO_SOUND_ID = DWORD(-1);
 
-function e_InitSoundSystem(): Boolean;
+function e_InitSoundSystem(NoOutput: Boolean = False): Boolean;
 
 function e_LoadSound(FileName: string; var ID: DWORD; isMusic: Boolean): Boolean;
 function e_LoadSoundMem(pData: Pointer; Length: Integer; var ID: DWORD; isMusic: Boolean): Boolean;
@@ -152,7 +152,7 @@ begin
   end;
 end;
 
-function e_InitSoundSystem(): Boolean;
+function e_InitSoundSystem(NoOutput: Boolean = False): Boolean;
 var
   res, i: Integer;
   rfreq: Integer;
@@ -163,6 +163,8 @@ begin
 
   Result := False;
   SoundInitialized := False;
+  
+  if NoOutput then begin Result := true; Exit end;
 
   // wow, this is actually MIDI player!
   // we need module player
diff --git a/src/engine/e_textures.pas b/src/engine/e_textures.pas
index ef9b660..2a4300b 100644
--- a/src/engine/e_textures.pas
+++ b/src/engine/e_textures.pas
@@ -18,6 +18,7 @@ type
   end;
 
 var
+  e_DummyTextures: Boolean = False;
   TEXTUREFILTER: Integer = GL_NEAREST;
 
 function CreateTexture(var tex: GLTexture; Width, Height, aFormat: Word; pData: Pointer ): Boolean;
@@ -94,6 +95,13 @@ begin
     e_WriteLog(Format('NPOT: orig is %ux%u; gl is %ux%u; u=%f; v=%f', [Width, Height, tex.glwidth, tex.glheight, tex.u, tex.v]), MSG_NOTIFY);
   end;
 
+  if e_DummyTextures then
+  begin
+    tex.id := GLuint(-1);
+    Result := True;
+    Exit;
+  end;
+  
   glGenTextures(1, @Texture);
   tex.id := Texture;
   glBindTexture(GL_TEXTURE_2D, Texture);
diff --git a/src/game/Doom2DF.dpr b/src/game/Doom2DF.dpr
index 57f516d..df5de45 100644
--- a/src/game/Doom2DF.dpr
+++ b/src/game/Doom2DF.dpr
@@ -1,6 +1,8 @@
 program Doom2DF;
-{$IFDEF WIN32}
-  {$APPTYPE GUI}
+{$IFNDEF HEADLESS}
+  {$IFDEF WIN32}
+    {$APPTYPE GUI}
+  {$ENDIF}
 {$ENDIF}
 {$HINTS OFF}
 
diff --git a/src/game/g_console.pas b/src/game/g_console.pas
index 4898bfb..27ca859 100644
--- a/src/game/g_console.pas
+++ b/src/game/g_console.pas
@@ -28,7 +28,7 @@ implementation
 uses
   g_textures, g_main, e_graphics, e_input, g_game,
   SysUtils, g_basic, g_options, WADEDITOR, Math,
-  g_menu, g_language, g_net, g_netmsg;
+  g_menu, g_language, g_net, g_netmsg, e_log;
 
 type
   TCmdProc = procedure (P: SArray);
@@ -820,6 +820,10 @@ begin
       Time := MsgTime;
     end;
   end;
+  
+{$IFDEF HEADLESS}
+  e_WriteLog('CON: ' + L, MSG_NOTIFY);
+{$ENDIF}
 end;
 
 procedure g_Console_Clear();
diff --git a/src/game/g_game.pas b/src/game/g_game.pas
index 3bb18b7..30605bf 100644
--- a/src/game/g_game.pas
+++ b/src/game/g_game.pas
@@ -6306,7 +6306,7 @@ begin
     if (s <> '') then
     begin
       gMapToDelete := MapsDir + map;
-      e_WriteLog('"--testdelete" argument doesn''t supported anymore!', MSG_FATALERROR);
+      e_WriteLog('"--testdelete" is deprecated, use --tempdelete.', MSG_FATALERROR);
       Halt(1);
     end;
 
diff --git a/src/game/g_main.pas b/src/game/g_main.pas
index 1840635..d78c84e 100644
--- a/src/game/g_main.pas
+++ b/src/game/g_main.pas
@@ -30,6 +30,8 @@ var
   charbuff: Array [0..15] of Char;
 
 procedure Main();
+var
+  sdlflags: LongWord;
 begin
   GetDir(0, GameDir);
   MapsDir := GameDir + '/maps/';
@@ -41,6 +43,8 @@ begin
 
   e_WriteLog('Read config file', MSG_NOTIFY);
   g_Options_Read(GameDir + '/' + CONFIG_FILENAME);
+  
+  e_WriteToStdOut := {$IFDEF HEADLESS}True;{$ELSE}False;{$ENDIF}
 
   //GetSystemDefaultLCID()
 
@@ -48,23 +52,32 @@ begin
   //g_Language_Load(DataDir + gLanguage + '.txt');
   e_WriteLog(gLanguage, MSG_NOTIFY);
   g_Language_Set(gLanguage);
-
-{$IFDEF USE_SDLMIXER}
-  if SDL_Init({SDL_INIT_JOYSTICK or SDL_INIT_TIMER or SDL_INIT_VIDEO or SDL_INIT_AUDIO}SDL_INIT_EVERYTHING) < 0 then
+  
+{$IFDEF HEADLESS}
+  sdlflags := SDL_INIT_TIMER or $00004000;
 {$ELSE}
-  if SDL_Init(SDL_INIT_JOYSTICK or SDL_INIT_TIMER or SDL_INIT_VIDEO) < 0 then
+ {$IFDEF USE_SDLMIXER}
+  sdlflags := SDL_INIT_EVERYTHING;
+ {$ELSE}
+  sdlflags := SDL_INIT_JOYSTICK or SDL_INIT_TIMER or SDL_INIT_VIDEO;
+ {$ENDIF}
 {$ENDIF}
+  if SDL_Init(sdlflags) < 0 then
     raise Exception.Create('SDL: Init failed: ' + SDL_GetError());
-
+    
+{$IFDEF HEADLESS}
   SDL_StartTextInput();
+{$ENDIF}
 
   e_WriteLog('Entering SDLMain', MSG_NOTIFY);
 
-  {$WARNINGS OFF}
+{$WARNINGS OFF}
   SDLMain();
-  {$WARNINGS ON}
+{$WARNINGS ON}
 
+{$IFDEF HEADLESS}
   SDL_StopTextInput();
+{$ENDIF}
 
   e_WriteLog('Releasing SDL', MSG_NOTIFY);
   SDL_Quit();
@@ -84,10 +97,10 @@ begin
   else
     e_WriteLog('Input: No Joysticks.', MSG_NOTIFY);
 
-  if not gNoSound then
+  if (not gNoSound) then
   begin
     e_WriteLog('Initializing sound system', MSG_NOTIFY);
-    e_InitSoundSystem();
+    e_InitSoundSystem({$IFDEF HEADLESS}True{$ELSE}False{$ENDIF});
   end;
 
   e_WriteLog('Init game', MSG_NOTIFY);
diff --git a/src/game/g_sound.pas b/src/game/g_sound.pas
index f5ce6c7..b1e09f8 100644
--- a/src/game/g_sound.pas
+++ b/src/game/g_sound.pas
@@ -309,8 +309,8 @@ begin
   end;
 
   WAD.Free();
-
-  if not ok then
+{$IFNDEF HEADLESS}
+  if (not ok) then
   begin
     if isMusic then
       e_WriteLog(Format('Error loading music %s', [Resource]), MSG_WARNING)
@@ -318,7 +318,7 @@ begin
       e_WriteLog(Format('Error loading sound %s', [Resource]), MSG_WARNING);
     Exit;
   end;
-
+{$ENDIF}
   Result := True;
 end;
 
@@ -359,8 +359,8 @@ begin
   end;
 
   WAD.Free();
-
-  if not ok then
+{$IFNDEF HEADLESS}
+  if (not ok) then
   begin
     if isMusic then
       e_WriteLog(Format('Error loading music %s', [Resource]), MSG_WARNING)
@@ -368,7 +368,7 @@ begin
       e_WriteLog(Format('Error loading sound %s', [Resource]), MSG_WARNING);
     Exit;
   end;
-
+{$ENDIF}
   Result := True;
 end;
 
diff --git a/src/game/g_window.pas b/src/game/g_window.pas
index 33fc80c..c159ddd 100644
--- a/src/game/g_window.pas
+++ b/src/game/g_window.pas
@@ -73,6 +73,11 @@ function g_Window_SetDisplay(PreserveGL: Boolean = False): Boolean;
 var
   mode, cmode: TSDL_DisplayMode;
 begin
+{$IFDEF HEADLESS}
+  Result := True;
+  Exit;
+{$ENDIF}
+  
   Result := False;
 
   e_WriteLog('Setting display mode...', MSG_NOTIFY);
@@ -126,7 +131,7 @@ var
   res, i, k, n, pw, ph: Integer;
 begin
   SetLength(Result, 0);
-
+  {$IFDEF HEADLESS}Exit;{$ENDIF}
   k := 0; SelRes := 0;
   n := SDL_GetNumDisplayModes(0);
   pw := 0; ph := 0;
@@ -156,6 +161,7 @@ procedure ChangeWindowSize();
 begin
   gWinSizeX := gScreenWidth;
   gWinSizeY := gScreenHeight;
+  {$IFDEF HEADLESS}Exit;{$ENDIF}
   e_ResizeWindow(gScreenWidth, gScreenHeight);
   g_Game_SetupScreenSize();
   g_Menu_Reset();
@@ -167,6 +173,7 @@ var
   Preserve: Boolean;
 begin
   Result := False;
+  {$IFDEF HEADLESS}Exit;{$ENDIF}
   Preserve := False;
 
   if (gScreenWidth <> W) or (gScreenHeight <> H) then
@@ -383,6 +390,7 @@ end;
 
 procedure SwapBuffers();
 begin
+  {$IFDEF HEADLESS}Exit;{$ENDIF}
   SDL_GL_SwapWindow(h_Wnd);
 end;
 
@@ -414,9 +422,10 @@ begin
     exit;
   end;
 
+{$IFNDEF HEADLESS}
   h_Gl := SDL_GL_CreateContext(h_Wnd);
   if h_Gl = nil then Exit;
-
+{$ENDIF}
   //wWindowCreated := True;
 
   e_ResizeWindow(gScreenWidth, gScreenHeight);
@@ -588,6 +597,7 @@ procedure InitOpenGL(VSync: Boolean);
 var
   v: Byte;
 begin
+  {$IFDEF HEADLESS}Exit;{$ENDIF}
   if VSync then v := 1 else v := 0;
   SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
   SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
@@ -601,6 +611,10 @@ end;
 
 function SDLMain(): Integer;
 begin
+{$IFDEF HEADLESS}
+  e_NoGraphics := True;
+{$ENDIF}
+
   e_WriteLog('Creating GL window', MSG_NOTIFY);
   if not CreateGLWindow(PChar(Format('Doom 2D: Forever %s', [GAME_VERSION]))) then
   begin