dwarf-fortress: Init TWBT at 6.46

pkgs/games/dwarf-fortress/default.nix

@@ -31,6 +31,8 @@ let
 
     legends-browser = callPackage ./legends-browser {};
 
+    twbt = callPackage ./twbt {};
+
     themes = callPackage ./themes {
       stdenv = stdenvNoCC;
     };

pkgs/games/dwarf-fortress/dfhack/default.nix

@@ -1,6 +1,7 @@
-{ stdenv, hostPlatform, lib, fetchFromGitHub, cmake, writeScriptBin, callPackage
+{ stdenv, buildEnv, hostPlatform, lib, fetchurl, fetchFromGitHub, cmake, writeScriptBin, callPackage
 , perl, XMLLibXML, XMLLibXSLT, zlib
 , enableStoneSense ? false,  allegro5, libGLU_combined
+, enableTWBT ? true, twbt
 , SDL
 }:
 
@@ -33,8 +34,8 @@ let
     fi
   '';
 
-in stdenv.mkDerivation rec {
+  dfhack = stdenv.mkDerivation rec {
-  name = "dfhack-${version}";
+    name = "dfhack-base-${version}";
 
     # Beware of submodules
     src = fetchFromGitHub {
@@ -64,9 +65,16 @@ in stdenv.mkDerivation rec {
               ++ lib.optionals enableStoneSense [ "-DBUILD_STONESENSE=ON" "-DSTONESENSE_INTERNAL_SO=OFF" ];
 
     enableParallelBuilding = true;
+  };
+in
+
+buildEnv {
+  name = "dfhack-${version}";
 
   passthru = { inherit version dfVersion; };
 
+  paths = [ dfhack ] ++ lib.optionals enableTWBT [ twbt.lib ];
+
   meta = with stdenv.lib; {
     description = "Memory hacking library for Dwarf Fortress and a set of tools that use it";
     homepage = https://github.com/DFHack/dfhack/;

pkgs/games/dwarf-fortress/twbt/default.nix

@@ -0,0 +1,35 @@
+{ stdenvNoCC, fetchurl, unzip }:
+
+
+stdenvNoCC.mkDerivation rec {
+  name = "twbt-${version}";
+  version = "6.46";
+  dfVersion = "0.44.10";
+
+  src = fetchurl {
+    url = "https://github.com/mifki/df-twbt/releases/download/v${version}/twbt-${version}-linux.zip";
+    sha256 = "1a4k26z5n547k5j3ij2kx834963rc8vwgwcmbmzmhi893bryb1k6";
+  };
+
+  sourceRoot = ".";
+
+  outputs = [ "lib" "art" "out" ];
+
+  buildInputs = [ unzip ];
+
+  installPhase = ''
+    mkdir -p $lib/hack/{plugins,lua} $art/data/art
+    cp -a */twbt.plug.so $lib/hack/plugins/
+    cp -a *.lua $lib/hack/lua/
+    cp -a *.png $art/data/art/
+  '';
+
+  
+  meta = with stdenvNoCC.lib; {
+    description = "A plugin for Dwarf Fortress / DFHack that improves various aspects the game interface.";
+    maintainers = with maintainers; [ Baughn ];
+    license = licenses.mit;
+    platforms = platforms.linux;
+    homepage = https://github.com/mifki/df-twbt;
+  };
+}

pkgs/games/dwarf-fortress/wrapper/default.nix

@@ -2,6 +2,7 @@
 , enableDFHack ? false, dfhack
 , enableSoundSense ? false, soundSense, jdk
 , enableStoneSense ? false
+, enableTWBT ? false, twbt
 , themes ? {}
 , theme ? null
 }:
@@ -9,6 +10,7 @@
 let
   dfhack_ = dfhack.override {
     inherit enableStoneSense;
+    inherit enableTWBT;
   };
 
   ptheme =
@@ -16,10 +18,15 @@ let
     then builtins.getAttr theme themes
     else theme;
 
+  twbtOnlyWithDFHack = assert (enableDFHack || !enableTWBT); true;
+
+  unBool = b: if b then "YES" else "NO";
+
   # These are in inverse order for first packages to override the next ones.
   themePkg = lib.optional (theme != null) ptheme;
   pkgs = lib.optional enableDFHack dfhack_
          ++ lib.optional enableSoundSense soundSense
+         ++ lib.optional enableTWBT twbt.art
          ++ [ dwarf-fortress-original ];
 
   env = buildEnv {