From 52490457f078cb029ef2427333480c7f3865bcb5 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Sat, 28 Jun 2025 20:49:59 -0400
Subject: [PATCH] Install shadps4.

---
 nix/configuration/configuration.nix           |   1 +
 nix/configuration/hosts/odo/default.nix       |   1 +
 nix/configuration/hosts/quark/default.nix     |   1 +
 .../roles/optimized_build/default.nix         |   1 +
 nix/configuration/roles/rpcs3/default.nix     |   1 -
 nix/configuration/roles/shadps4/default.nix   | 112 ++++++++++++++++++
 .../roles/shadps4/files/config.toml           |   4 +
 7 files changed, 120 insertions(+), 1 deletion(-)
 create mode 100644 nix/configuration/roles/shadps4/default.nix
 create mode 100644 nix/configuration/roles/shadps4/files/config.toml

diff --git a/nix/configuration/configuration.nix b/nix/configuration/configuration.nix
index 3aae101..7ce42e5 100644
--- a/nix/configuration/configuration.nix
+++ b/nix/configuration/configuration.nix
@@ -52,6 +52,7 @@
     ./roles/reset
     ./roles/rpcs3
     ./roles/rust
+    ./roles/shadps4
     ./roles/shikane
     ./roles/shipwright
     ./roles/sm64ex
diff --git a/nix/configuration/hosts/odo/default.nix b/nix/configuration/hosts/odo/default.nix
index 11be98b..8ddbf38 100644
--- a/nix/configuration/hosts/odo/default.nix
+++ b/nix/configuration/hosts/odo/default.nix
@@ -88,6 +88,7 @@
   me.qemu.enable = true;
   me.rpcs3.enable = true;
   me.rust.enable = true;
+  me.shadps4.enable = true;
   me.shikane.enable = true;
   me.sops.enable = true;
   me.sound.enable = true;
diff --git a/nix/configuration/hosts/quark/default.nix b/nix/configuration/hosts/quark/default.nix
index 672428a..b20526f 100644
--- a/nix/configuration/hosts/quark/default.nix
+++ b/nix/configuration/hosts/quark/default.nix
@@ -84,6 +84,7 @@
     me.qemu.enable = true;
     me.rpcs3.enable = true;
     me.rust.enable = true;
+    me.shadps4.enable = true;
     me.shikane.enable = true;
     me.sops.enable = true;
     me.sound.enable = true;
diff --git a/nix/configuration/roles/optimized_build/default.nix b/nix/configuration/roles/optimized_build/default.nix
index 12fa9ad..1996bcb 100644
--- a/nix/configuration/roles/optimized_build/default.nix
+++ b/nix/configuration/roles/optimized_build/default.nix
@@ -132,6 +132,7 @@
                 redis
                 valkey
                 nix-serve-ng
+                rapidjson
                 ;
             })
           ];
diff --git a/nix/configuration/roles/rpcs3/default.nix b/nix/configuration/roles/rpcs3/default.nix
index 7625096..2182cd3 100644
--- a/nix/configuration/roles/rpcs3/default.nix
+++ b/nix/configuration/roles/rpcs3/default.nix
@@ -174,7 +174,6 @@ in
           users.talexander = {
             directories = [
               {
-                # Game saves
                 directory = ".cache/rpcs3";
                 user = "talexander";
                 group = "talexander";
diff --git a/nix/configuration/roles/shadps4/default.nix b/nix/configuration/roles/shadps4/default.nix
new file mode 100644
index 0000000..8615466
--- /dev/null
+++ b/nix/configuration/roles/shadps4/default.nix
@@ -0,0 +1,112 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    shadps4.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install shadps4.";
+    };
+  };
+
+  config = lib.mkIf config.me.shadps4.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          shadps4
+        ];
+
+        home-manager.users.talexander =
+          { pkgs, ... }:
+          {
+            home.file.".local/share/shadPS4/config.toml" = {
+              source = ./files/config.toml;
+            };
+          };
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                # Location of ROMs.
+                directory = ".local/share/shadPS4/games";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # Firmware.
+                directory = ".local/share/shadPS4/sys_modules";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # Game saves.
+                directory = ".local/share/shadPS4/savedata";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # DLC.
+                directory = ".local/share/shadPS4/addcont";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+            files = [
+              {
+                # play times and recently played
+                file = ".local/share/shadPS4/play_time.txt";
+                parentDirectory = {
+                  mode = "0755";
+                };
+              }
+            ];
+          };
+        };
+
+        environment.persistence."/state" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                # Cache.
+                directory = ".local/share/shadPS4/data";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+
+        nixpkgs.overlays = [
+          (final: prev: {
+            shadps4 = prev.shadps4.overrideAttrs (old: {
+              version = "0.9.0";
+              src = final.fetchFromGitHub {
+                owner = "AzaharPlus";
+                repo = "shadPS4Plus";
+                tag = "SHADPS4PLUS_0_9_0_A";
+                hash = "sha256-ZwP+bOE4roWt51Ii53blDZzdq/SxK4Q69I4rLCNARLA=";
+                fetchSubmodules = true;
+              };
+            });
+          })
+        ];
+      })
+    ]
+  );
+}
diff --git a/nix/configuration/roles/shadps4/files/config.toml b/nix/configuration/roles/shadps4/files/config.toml
new file mode 100644
index 0000000..e421171
--- /dev/null
+++ b/nix/configuration/roles/shadps4/files/config.toml
@@ -0,0 +1,4 @@
+[GUI]
+addonInstallDir = "/home/talexander/.local/share/shadPS4/addcont"
+installDirs = ["/home/talexander/.local/share/shadPS4/games"]
+installDirsEnabled = [true]