Add support for pcsx2.

nix/configuration/roles/pcsx2/default.nix

@@ -0,0 +1,95 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    pcsx2.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install pcsx2.";
+    };
+  };
+
+  config = lib.mkIf config.me.pcsx2.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          pcsx2
+        ];
+
+        environment.persistence."/state" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                # Shaders, games list, and achievement data.
+                directory = ".config/PCSX2/cache";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # Save states.
+                directory = ".config/PCSX2/sstates";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # Screenshots.
+                directory = ".config/PCSX2/snaps";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # Game covers.
+                directory = ".config/PCSX2/covers";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # Video recordings.
+                directory = ".config/PCSX2/videos";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                # Game saves
+                directory = ".config/PCSX2/memcards";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+
+        home-manager.users.talexander =
+          { pkgs, ... }:
+          {
+            home.file.".config/PCSX2/inis/PCSX2.ini" = {
+              source = ./files/PCSX2.ini;
+            };
+          };
+      })
+    ]
+  );
+}

nix/configuration/roles/pcsx2/files/PCSX2.ini

@@ -0,0 +1,104 @@
+[UI]
+SettingsVersion = 1
+InhibitScreensaver = true
+ConfirmShutdown = false
+StartPaused = false
+PauseOnFocusLoss = true
+StartFullscreen = true
+
+
+[Folders]
+Bios = ../../persist/games/ps2/bios
+Snapshots = snaps
+Savestates = sstates
+MemoryCards = memcards
+Logs = logs
+Cheats = cheats
+Patches = patches
+UserResources = resources
+Cache = cache
+Textures = textures
+InputProfiles = inputprofiles
+Videos = videos
+
+
+[EmuCore/GS]
+VsyncEnable = true
+# Internal resolution aspect corrected
+ScreenshotSize = 1
+# webp
+ScreenshotFormat = 2
+OsdShowFPS = true
+# Capture video at internal resolution
+VideoCaptureAutoResolution = true
+# 2x native resolution
+upscale_multiplier = 2
+CaptureContainer = mkv
+VideoCaptureCodec = av1_vaapi
+AudioCaptureCodec = flac
+
+
+[Filenames]
+BIOS = ps2-0230a-20080220.bin
+
+[MemoryCards]
+Slot1_Enable = true
+Slot1_Filename = Mcd001.ps2
+Slot2_Enable = true
+Slot2_Filename = Mcd002.ps2
+
+
+[InputSources]
+Keyboard = false
+Mouse = false
+SDL = true
+# Enhanced ps4 and ps5 controller support
+SDLControllerEnhancedMode = true
+SDLPS5PlayerLED = true
+
+
+[Pad1]
+Type = DualShock2
+InvertL = 0
+InvertR = 0
+Deadzone = 0
+AxisScale = 1.33
+LargeMotorScale = 1
+SmallMotorScale = 1
+ButtonDeadzone = 0
+PressureModifier = 0.5
+Up = SDL-0/DPadUp
+Right = SDL-0/DPadRight
+Down = SDL-0/DPadDown
+Left = SDL-0/DPadLeft
+Triangle = SDL-0/Y
+Circle = SDL-0/B
+Cross = SDL-0/A
+Square = SDL-0/X
+Select = SDL-0/Back
+Start = SDL-0/Start
+L1 = SDL-0/LeftShoulder
+L2 = SDL-0/+LeftTrigger
+R1 = SDL-0/RightShoulder
+R2 = SDL-0/+RightTrigger
+L3 = SDL-0/LeftStick
+R3 = SDL-0/RightStick
+LUp = SDL-0/-LeftY
+LRight = SDL-0/+LeftX
+LDown = SDL-0/+LeftY
+LLeft = SDL-0/-LeftX
+RUp = SDL-0/-RightY
+RRight = SDL-0/+RightX
+RDown = SDL-0/+RightY
+RLeft = SDL-0/-RightX
+Analog = SDL-0/Guide
+LargeMotor = SDL-0/LargeMotor
+SmallMotor = SDL-0/SmallMotor
+
+
+[AutoUpdater]
+CheckAtStartup = false
+
+
+[GameList]
+RecursivePaths = /home/talexander/persist/games/ps2/roms