From a967c845c54de472283d47410679fcad9648ce7b Mon Sep 17 00:00:00 2001
From: IvarWithoutBones <ivar.scholten@protonmail.com>
Date: Fri, 9 Jul 2021 02:00:07 +0200
Subject: [PATCH 1/3] amidst: move to pkgs/tools/games/minecraft

---
 pkgs/tools/games/{ => minecraft}/amidst/default.nix | 0
 pkgs/top-level/all-packages.nix                     | 2 +-
 2 files changed, 1 insertion(+), 1 deletion(-)
 rename pkgs/tools/games/{ => minecraft}/amidst/default.nix (100%)

diff --git a/pkgs/tools/games/amidst/default.nix b/pkgs/tools/games/minecraft/amidst/default.nix
similarity index 100%
rename from pkgs/tools/games/amidst/default.nix
rename to pkgs/tools/games/minecraft/amidst/default.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5afb6fa3f613..a5ed2e12b32d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -863,7 +863,7 @@ in
 
   auditwheel = callPackage ../tools/package-management/auditwheel { };
 
-  amidst = callPackage ../tools/games/amidst { };
+  amidst = callPackage ../tools/games/minecraft/amidst { };
 
   gamemode = callPackage ../tools/games/gamemode {
     libgamemode32 = pkgsi686Linux.gamemode.lib;

From 4d9ab19f8eded8ab879283d4778e4cd39d81d61c Mon Sep 17 00:00:00 2001
From: IvarWithoutBones <ivar.scholten@protonmail.com>
Date: Fri, 9 Jul 2021 01:40:37 +0200
Subject: [PATCH 2/3] fabric-installer: init at 0.7.4

---
 .../minecraft/fabric-installer/default.nix    | 35 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 2 files changed, 37 insertions(+)
 create mode 100644 pkgs/tools/games/minecraft/fabric-installer/default.nix

diff --git a/pkgs/tools/games/minecraft/fabric-installer/default.nix b/pkgs/tools/games/minecraft/fabric-installer/default.nix
new file mode 100644
index 000000000000..ef978875049e
--- /dev/null
+++ b/pkgs/tools/games/minecraft/fabric-installer/default.nix
@@ -0,0 +1,35 @@
+{ lib
+, stdenv
+, fetchurl
+, makeWrapper
+, jre }:
+
+stdenv.mkDerivation rec {
+  pname = "fabric-installer";
+  version = "0.7.4";
+
+  src = fetchurl {
+    url = "https://maven.fabricmc.net/net/fabricmc/fabric-installer/${version}/fabric-installer-${version}.jar";
+    sha256 = "0s3nmwpq1qg90c27qh4anvvsg4yzsgcp6kwsb35fsiaaakxn0b8r";
+  };
+
+  dontUnpack = true;
+
+  nativeBuildInputs = [ jre makeWrapper ];
+
+  installPhase = ''
+    mkdir -p $out/{bin,lib/fabric}
+
+    cp $src $out/lib/fabric/fabric-installer.jar
+    makeWrapper ${jre}/bin/java $out/bin/fabric-installer \
+      --add-flags "-jar $out/lib/fabric/fabric-installer.jar"
+  '';
+
+  meta = with lib; {
+    homepage = "https://fabricmc.net/";
+    description = "A lightweight, experimental modding toolchain for Minecraft";
+    license = licenses.asl20;
+    maintainers = [ maintainers.ivar ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a5ed2e12b32d..7589341ebd16 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4788,6 +4788,8 @@ in
 
   lp_solve = callPackage ../applications/science/math/lp_solve { };
 
+  fabric-installer = callPackage ../tools/games/minecraft/fabric-installer { };
+
   fastlane = callPackage ../tools/admin/fastlane { };
 
   fatresize = callPackage ../tools/filesystems/fatresize {};

From 558d864f6417b57d706857f0d24b6e3ab0d22fca Mon Sep 17 00:00:00 2001
From: IvarWithoutBones <ivar.scholten@protonmail.com>
Date: Fri, 9 Jul 2021 01:55:53 +0200
Subject: [PATCH 3/3] optifine: init at 1.16.5_HD_U_G8

---
 .../games/minecraft/optifine/default.nix      | 39 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 +
 2 files changed, 41 insertions(+)
 create mode 100644 pkgs/tools/games/minecraft/optifine/default.nix

diff --git a/pkgs/tools/games/minecraft/optifine/default.nix b/pkgs/tools/games/minecraft/optifine/default.nix
new file mode 100644
index 000000000000..06425e6b67ef
--- /dev/null
+++ b/pkgs/tools/games/minecraft/optifine/default.nix
@@ -0,0 +1,39 @@
+{ lib
+, stdenv
+, fetchurl
+, makeWrapper
+, jre }:
+
+stdenv.mkDerivation rec {
+  pname = "optifine";
+  version = "1.16.5_HD_U_G8";
+
+  src = fetchurl {
+    url = "https://optifine.net/download?f=OptiFine_${version}.jar";
+    sha256 = "0ks91d6n4vkgb5ykdrc67br2c69nqjr0xhp7rrkybg24xn8bqxiw";
+  };
+
+  dontUnpack = true;
+
+  nativeBuildInputs = [ jre makeWrapper ];
+
+  installPhase = ''
+    mkdir -p $out/{bin,lib/optifine}
+    cp $src $out/lib/optifine/optifine.jar
+
+    makeWrapper ${jre}/bin/java $out/bin/optifine \
+      --add-flags "-jar $out/lib/optifine/optifine.jar"
+  '';
+
+  meta = with lib; {
+    homepage = "https://optifine.net/";
+    description = "A Minecraft optimization mod";
+    longDescription = ''
+      OptiFine is a Minecraft optimization mod.
+      It allows Minecraft to run faster and look better with full support for HD textures and many configuration options.
+    '';
+    license = licenses.unfree;
+    maintainers = [ maintainers.ivar ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7589341ebd16..9a204df94699 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7636,6 +7636,8 @@ in
 
   openvswitch-lts = callPackage ../os-specific/linux/openvswitch/lts.nix { };
 
+  optifine = callPackage ../tools/games/minecraft/optifine { };
+
   optipng = callPackage ../tools/graphics/optipng {
     libpng = libpng12;
   };