From: fgsfds <pvt.fgsfds@gmail.com>
Date: Tue, 1 Aug 2017 02:51:23 +0000 (+0300)
Subject: fixed pointer arithmetics; headless uses dummy audio with sdl_mixer
X-Git-Url: http://deadsoftware.ru/gitweb?a=commitdiff_plain;h=681c1fa10d6cc9999d4cd0a284723fa0a8f4dec6;p=d2df-sdl.git

fixed pointer arithmetics; headless uses dummy audio with sdl_mixer
---

diff --git a/src/engine/e_fixedbuffer.pas b/src/engine/e_fixedbuffer.pas
index e71445f..92c984c 100644
--- a/src/engine/e_fixedbuffer.pas
+++ b/src/engine/e_fixedbuffer.pas
@@ -110,7 +110,7 @@ begin
   if (B^.WritePos + N > B^.Len) then
     B^.Len := B^.WritePos + N + 1;
 
-  CopyMemory(Pointer(Cardinal(Addr(B^.Data)) + B^.WritePos),
+  CopyMemory(Pointer(NativeUInt(Addr(B^.Data)) + B^.WritePos),
              @V, N);
 
   B^.WritePos := B^.WritePos + N;
@@ -119,7 +119,7 @@ procedure e_Buffer_Read_Generic(B: pTBuffer; var V; N: Cardinal);
 begin
   if (B^.ReadPos + N >= BUF_SIZE) then Exit;
 
-  CopyMemory(@V, Pointer(Cardinal(Addr(B^.Data)) + B^.ReadPos), N);
+  CopyMemory(@V, Pointer(NativeUInt(Addr(B^.Data)) + B^.ReadPos), N);
 
   B^.ReadPos := B^.ReadPos + N;
 end;
@@ -179,7 +179,7 @@ begin
 
   if (P > B^.Len) then B^.Len := P;
 
-  CopyMemory(Pointer(Cardinal(Addr(B^.Data)) + B^.WritePos),
+  CopyMemory(Pointer(NativeUInt(Addr(B^.Data)) + B^.WritePos),
              @V[1], Len);
 
   B^.WritePos := P;
@@ -241,7 +241,7 @@ begin
     Len := B^.Len - B^.ReadPos;
 
   SetLength(Result, Len);
-  CopyMemory(@Result[1], Pointer(Cardinal(Addr(B^.Data)) + B^.ReadPos), Len);
+  CopyMemory(@Result[1], Pointer(NativeUInt(Addr(B^.Data)) + B^.ReadPos), Len);
 
   B^.ReadPos := B^.ReadPos + Len;
 end;
@@ -256,7 +256,7 @@ end;
 
 procedure e_Raw_Read_Generic(P: Pointer; var V; N: Cardinal);
 begin
-  CopyMemory(@V, Pointer(Cardinal(P) + RawPos), N);
+  CopyMemory(@V, Pointer(NativeUInt(P) + RawPos), N);
 
   RawPos := RawPos + N;
 end;
@@ -301,7 +301,7 @@ begin
   if Len = 0 then Exit;
 
   SetLength(Result, Len);
-  CopyMemory(@Result[1], Pointer(Cardinal(P) + RawPos), Len);
+  CopyMemory(@Result[1], Pointer(NativeUInt(P) + RawPos), Len);
 
   RawPos := RawPos + Len;
 end;
diff --git a/src/game/Doom2DF.dpr b/src/game/Doom2DF.dpr
index 3fbd829..a410545 100644
--- a/src/game/Doom2DF.dpr
+++ b/src/game/Doom2DF.dpr
@@ -102,6 +102,7 @@ uses
   fmodtypes in '../lib/FMOD/fmodtypes.pas',
 {$ENDIF}
   BinEditor in '../shared/BinEditor.pas',
+  envvars in '../shared/envvars.pas',
   g_panel in 'g_panel.pas',
   g_language in 'g_language.pas',
   ImagingTypes,
@@ -132,6 +133,6 @@ begin
       on E: Exception do
         e_WriteLog(Format(_lc[I_SYSTEM_ERROR_MSG], [E.Message]), MSG_FATALERROR);
       else
-        e_WriteLog(Format(_lc[I_SYSTEM_ERROR_UNKNOWN], [LongWord(ExceptAddr())]), MSG_FATALERROR);
+        e_WriteLog(Format(_lc[I_SYSTEM_ERROR_UNKNOWN], [NativeUInt(ExceptAddr())]), MSG_FATALERROR);
     end;
 end.
diff --git a/src/game/g_main.pas b/src/game/g_main.pas
index 59e7870..2d9d7e4 100644
--- a/src/game/g_main.pas
+++ b/src/game/g_main.pas
@@ -40,7 +40,8 @@ uses
   e_graphics, e_input, g_game, g_console, g_gui,
   e_sound, g_options, g_sound, g_player,
   g_weapons, SysUtils, g_triggers, MAPDEF, g_map,
-  MAPSTRUCT, g_menu, g_language, g_net, utils, conbuf;
+  MAPSTRUCT, g_menu, g_language, g_net,
+  utils, conbuf, envvars;
 
 var
   charbuff: Array [0..15] of Char;
@@ -75,7 +76,13 @@ begin
   g_Language_Set(gLanguage);
 
 {$IFDEF HEADLESS}
+ {$IFDEF USE_SDLMIXER}
+  sdlflags := SDL_INIT_TIMER or SDL_INIT_AUDIO or $00004000;
+  // HACK: shit this into env and hope for the best
+  SetEnvVar('SDL_AUDIODRIVER', 'dummy');
+ {$ELSE}
   sdlflags := SDL_INIT_TIMER or $00004000;
+ {$ENDIF}
 {$ELSE}
  {$IFDEF USE_SDLMIXER}
   sdlflags := SDL_INIT_EVERYTHING;
@@ -107,9 +114,20 @@ end;
 procedure Init();
 var
   a: Integer;
+  NoSound: Boolean;
 begin
   Randomize;
 
+{$IFDEF HEADLESS}
+ {$IFDEF USE_SDLMIXER}
+  NoSound := False; // hope env has set SDL_AUDIODRIVER to dummy
+ {$ELSE}
+  NoSound := True; // FMOD backend will sort it out
+ {$ENDIF}
+{$ELSE}
+  NoSound := False;
+{$ENDIF}
+
   e_WriteLog('Init Input', MSG_NOTIFY);
   e_InitInput();
 
@@ -121,7 +139,7 @@ begin
   if (not gNoSound) then
   begin
     e_WriteLog('Initializing sound system', MSG_NOTIFY);
-    e_InitSoundSystem({$IFDEF HEADLESS}True{$ELSE}False{$ENDIF});
+    e_InitSoundSystem(NoSound);
   end;
 
   e_WriteLog('Init game', MSG_NOTIFY);
diff --git a/src/shared/envvars.pas b/src/shared/envvars.pas
new file mode 100644
index 0000000..6f92b40
--- /dev/null
+++ b/src/shared/envvars.pas
@@ -0,0 +1,48 @@
+(* 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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/>.
+ *)
+{$MODE OBJFPC}
+unit envvars;
+
+interface
+
+uses SysUtils, CTypes;
+
+function SetEnvVar(const VarName: AnsiString; const VarVal: AnsiString): Boolean;
+
+implementation
+
+{$IFDEF WINDOWS}
+uses Windows;
+function setenv(const VarStr: PChar; const VarVal: PChar; Repl: cint): cint;
+begin
+  if (SetEnvironmentVariable(VarStr, VarVal)) then
+    Result := 0
+  else
+    Result := -1;
+end;
+{$ELSE}
+{$LINKLIB c}
+const clib = 'c';
+function setenv(const VarStr: PChar; const VarVal: PChar; Repl: cint): cint;
+cdecl; external clib name 'setenv';
+{$ENDIF}
+
+function SetEnvVar(const VarName: AnsiString; const VarVal: AnsiString): Boolean;
+begin
+  Result := (setenv(PChar(VarName), PChar(VarVal), 1) = 0);
+end;
+
+end.