pkgs/chocolate-doom2xx: Add -demoloopi flag

2024-06-06 14:39:09 +01:00
parent 9114f5ce74
commit 45bda5b588
3 changed files with 93 additions and 1 deletions
--- a/pkgs/chocolate-doom2xx/default.nix
+++ b/pkgs/chocolate-doom2xx/default.nix
@@ -0,0 +1,49 @@
+{ lib, stdenv, autoreconfHook, pkg-config, SDL, SDL_mixer, SDL_net
+, fetchFromGitHub, fetchpatch, python3 }:
+
+stdenv.mkDerivation rec {
+  pname = "chocolate-doom";
+  version = "2.3.0";
+
+  src = fetchFromGitHub {
+    owner = "chocolate-doom";
+    repo = pname;
+    rev = "${pname}-${version}";
+    sha256 = "sha256-1uw/1CYKBvDNgT5XxRBY24Evt3f4Y6YQ6bScU+KNHgM=";
+  };
+
+  patches = [
+    # Pull upstream patch to fix build against gcc-10:
+    #   https://github.com/chocolate-doom/chocolate-doom/pull/1257
+    (fetchpatch {
+      name = "fno-common.patch";
+      url = "https://github.com/chocolate-doom/chocolate-doom/commit/a8fd4b1f563d24d4296c3e8225c8404e2724d4c2.patch";
+      sha256 = "1dmbygn952sy5n8qqp0asg11pmygwgygl17lrj7i0fxa0nrhixhj";
+    })
+    ./demoloopi.patch
+  ];
+
+  outputs = [ "out" "man" ];
+
+  postPatch = ''
+    patchShebangs --build man/{simplecpp,docgen}
+  '';
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+    # for documentation
+    python3
+  ];
+  buildInputs = [ (SDL.override { cacaSupport = true; }) SDL_mixer SDL_net ];
+  enableParallelBuilding = true;
+
+  meta = {
+    homepage = "http://chocolate-doom.org/";
+    description = "A Doom source port that accurately reproduces the experience of Doom as it was played in the 1990s";
+    license = lib.licenses.gpl2Plus;
+    platforms = lib.platforms.unix;
+    hydraPlatforms = lib.platforms.linux; # darwin times out
+    maintainers = with lib.maintainers; [ ];
+  };
+}
--- a/pkgs/chocolate-doom2xx/demoloopi.patch
+++ b/pkgs/chocolate-doom2xx/demoloopi.patch
@@ -0,0 +1,91 @@
+diff --git a/src/doom/d_main.c b/src/doom/d_main.c
+index 65a39a10..3f799b0f 100644
+--- a/src/doom/d_main.c
+++ b/src/doom/d_main.c
+@@ -483,6 +483,8 @@ void D_DoomLoop (void)
+ //  DEMO LOOP
+ //
+ int             demosequence;
+int             demoloopi;
+char            demoloopname[9];
+ int             pagetic;
+ char                    *pagename;
+ 
+@@ -524,6 +526,8 @@ void D_AdvanceDemo (void)
+ //
+ void D_DoAdvanceDemo (void)
+ {
+    int havedemo4;
+
+     players[consoleplayer].playerstate = PST_LIVE;  // not reborn
+     advancedemo = false;
+     usergame = false;               // no save / end game here
+@@ -539,10 +543,14 @@ void D_DoAdvanceDemo (void)
+     // However! There is an alternate version of Final Doom that
+     // includes a fixed executable.
+ 
+-    if (gameversion == exe_ultimate || gameversion == exe_final)
+    havedemo4 = gameversion == exe_ultimate || gameversion == exe_final;
+    if (havedemo4)
+       demosequence = (demosequence+1)%7;
+     else
+       demosequence = (demosequence+1)%6;
+
+    if (demoloopi < 0 || demoloopi > (havedemo4 ? 3 : 2))
+      I_Error("Invalid demo loop start %d", demoloopi);
+     
+     switch (demosequence)
+     {
+@@ -558,17 +566,11 @@ void D_DoAdvanceDemo (void)
+ 	else
+ 	  S_StartMusic (mus_intro);
+ 	break;
+-      case 1:
+-	G_DeferedPlayDemo(DEH_String("demo1"));
+-	break;
+       case 2:
+ 	pagetic = 200;
+ 	gamestate = GS_DEMOSCREEN;
+ 	pagename = DEH_String("CREDIT");
+ 	break;
+-      case 3:
+-	G_DeferedPlayDemo(DEH_String("demo2"));
+-	break;
+       case 4:
+ 	gamestate = GS_DEMOSCREEN;
+ 	if ( gamemode == commercial)
+@@ -587,12 +589,14 @@ void D_DoAdvanceDemo (void)
+ 	      pagename = DEH_String("HELP2");
+ 	}
+ 	break;
+      case 1:
+      case 3:
+       case 5:
+-	G_DeferedPlayDemo(DEH_String("demo3"));
+-	break;
+         // THE DEFINITIVE DOOM Special Edition demo
+       case 6:
+-	G_DeferedPlayDemo(DEH_String("demo4"));
+	DEH_snprintf(demoloopname, 9, "demo%d", demoloopi + 1);
+	G_DeferedPlayDemo(demoloopname);
+	demoloopi = (demoloopi+1) % (havedemo4 ? 4 : 3);
+ 	break;
+     }
+ 
+@@ -1891,7 +1895,15 @@ void D_DoomMain (void)
+ 	G_TimeDemo (demolumpname);
+ 	D_DoomLoop ();  // never returns
+     }
+-	
+
+    p = M_CheckParmWithArgs("-demoloopi", 1);
+    if (p)
+    {
+        demoloopi = atoi(myargv[p+1]);
+    } else {
+        demoloopi = 0;
+    }
+
+     if (startloadgame >= 0)
+     {
+         M_StringCopy(file, P_SaveGameFile(startloadgame), sizeof(file));