Added create

flake.nix

@@ -11,5 +11,8 @@
     inputs.nix-modpack (system: {
       packUrl = "https://git.bulthuis.dev/Jan/Modpack/raw/branch/main/pack.toml";
       server = inputs.nix-minecraft.legacyPackages.${system}.neoForgeServers.neoforge-21_1_172;
+      clientGameVersion = "1.21.1";
+      clientLoaderUid = "net.neoforged";
+      clientLoaderVersion = "21.1.172";
     });
 }

index.toml

@@ -5,6 +5,11 @@ file = "mods/ars-nouveau.pw.toml"
 hash = "c620b91abf14510baca9164bdd1ab39b8f6390c080c7a8f67e66b7fa25b515b5"
 metafile = true
 
+[[files]]
+file = "mods/create.pw.toml"
+hash = "a4c8371232d9f542b180c7bd7e30d84b9e958b97b24af5dde0759ab8e511fb8e"
+metafile = true
+
 [[files]]
 file = "mods/curios.pw.toml"
 hash = "36debf7653e95a855b4fedacc19027cf2e01960fc0b6d55ef2ffbffbcb455690"

mods/create.pw.toml

@@ -0,0 +1,13 @@
+name = "Create"
+filename = "create-1.21.1-6.0.4.jar"
+side = "both"
+
+[download]
+url = "https://cdn.modrinth.com/data/LNytGWDc/versions/5LpL274U/create-1.21.1-6.0.4.jar"
+hash-format = "sha512"
+hash = "1f237647ad48c8d9b09a7dab84ac16fc52bb2b70eec5c0f836b21658e60af8cdcbc541c57ac43ffa80fbecad8c08d7bdc13fbd387aaa38f8a25df20a095d5412"
+
+[update]
+[update.modrinth]
+mod-id = "LNytGWDc"
+version = "5LpL274U"

nix-modpack/lib/default.nix

@@ -19,11 +19,65 @@ let
 
           buildInfo = builder pkgs.system;
         in
-        lib.trace buildInfo {
+        rec {
+          default = server;
           server = pkgs.writeShellScriptBin "minecraft-server" ''
             ${lib.getExe pkgs.jre} -jar ${bootstrap} -g -s server ${buildInfo.packUrl}
-            # ${buildInfo.server}/bin/minecraft-server
+            ${buildInfo.server}/bin/minecraft-server
           '';
+          client = pkgs.stdenvNoCC.mkDerivation {
+            name = "minecraft-client";
+
+            dontUnpack = true;
+
+            mmcpack = ''
+              {
+                "components": [
+                  {
+                    "important": true,
+                    "uid": "net.minecraft",
+                    "version": "${buildInfo.clientGameVersion}"
+                  },
+                  {
+                    "uid": "${buildInfo.clientLoaderUid}",
+                    "version": "${buildInfo.clientLoaderVersion}"
+                  }
+                ],
+                "formatVersion": 1
+              }
+            '';
+
+            instancecfg = pkgs.writeText "instance.cfg" ''
+              [General]
+              ConfigVersion=1.2
+              InstanceType=OneSix
+              OverrideCommands=true
+              PreLaunchCommand=\"$INST_JAVA\" -jar packwiz-installer-bootstrap.jar ${buildInfo.packUrl}
+            '';
+
+            buildPhase = ''
+              # Remove env-vars
+              rm env-vars
+
+              # Add the mmc-pack
+              echo  $mmcpack > ./mmc-pack.json
+
+              # Add the instance-cfg
+              cp $instancecfg ./instance.cfg
+
+              # Add the bootstrap jar
+              mkdir ./minecraft
+              cp ${bootstrap} ./minecraft/packwiz-installer-bootstrap.jar
+
+              # Zip everything together
+              ${pkgs.zip}/bin/zip -r modpack.zip ./*
+            '';
+
+            installPhase = ''
+              mkdir $out
+              mv modpack.zip $out/
+            '';
+          };
         };
 
       overlay = final: prev: mkPackages prev;

pack.toml

@@ -6,7 +6,7 @@ pack-format = "packwiz:1.1.0"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "d4bf8637735bbfd34cce2d1311bbf9fae66851c7cc06edb8a968085c447d8826"
+hash = "d5cb39f2e727842431b1108dba5751379992838f35f5893edf684b0913a3310f"
 
 [versions]
 minecraft = "1.21.1"