Game settings no longer crashes on linux (still need to sort out how to load/save wine registry from outside of wine enviroment), updated gems.

Gemfile

@@ -1,6 +1,7 @@
 source "https://rubygems.org"
 
 gem "cyberarm_engine"
+gem "sdl2-bindings"
 gem "digest-crc"
 gem "i18n"
 gem "ircparser"

Gemfile.lock

@@ -21,6 +21,8 @@ GEM
     rake (13.1.0)
     rexml (3.2.6)
     rubyzip (2.3.2)
+    sdl2-bindings (0.2.2)
+      ffi (~> 1.15)
     websocket (1.2.10)
     websocket-client-simple (0.8.0)
       event_emitter
@@ -43,6 +45,7 @@ DEPENDENCIES
   ircparser
   rexml
   rubyzip
+  sdl2-bindings
   websocket-client-simple
   win32-process
   win32-security

lib/hardware_survey.rb

@@ -6,8 +6,19 @@ class W3DHub
       @data = {
         displays: [],
         system: {
-          motherboard: {},
-          operating_system: {},
+          motherboard: {
+            manufacturer: "Unknown",
+            model: "Unknown",
+            bios_vendor: "Unknown",
+            bios_release_date: "Unknown",
+            bios_version: "Unknown"
+          },
+          operating_system: {
+            name: "Unknown",
+            build: "Unknown",
+            version: "Unknown",
+            edition: "Unknown"
+          },
           cpus: [],
           cpu_instruction_sets: {},
           ram: 0,
@@ -16,12 +27,13 @@ class W3DHub
       }
 
       # Hardware survey only works on Windows atm
-      return unless RbConfig::CONFIG["host_os"] =~ /mswin|msys|mingw|cygwin/
 
-      lib_dir = File.dirname($LOADED_FEATURES.find { |file| file.include?("gosu.so") })
-      SDL.load_lib("#{lib_dir}64/SDL2.dll")
-      # Gosu already handles this
-      # SDL.VideoInit(nil)
+      if Gem::win_platform?
+        lib_dir = File.dirname($LOADED_FEATURES.find { |file| file.include?("gosu.so") })
+        SDL.load_lib("#{lib_dir}64/SDL2.dll")
+      else
+        SDL.load_lib("libSDL2")
+      end
 
       query_displays
       query_motherboard
@@ -56,6 +68,8 @@ class W3DHub
     end
 
     def query_motherboard
+      return unless Gem::win_platform?
+
       Win32::Registry::HKEY_LOCAL_MACHINE.open("HARDWARE\\DESCRIPTION\\System\\BIOS", Win32::Registry::KEY_READ) do |reg|
         @data[:system][:motherboard][:manufacturer]      = safe_reg(reg, "SystemManufacturer")
         @data[:system][:motherboard][:model]             = safe_reg(reg, "SystemProductName")
@@ -72,6 +86,8 @@ class W3DHub
     end
 
     def query_operating_system
+      return unless Gem::win_platform?
+
       Win32::Registry::HKEY_LOCAL_MACHINE.open("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", Win32::Registry::KEY_READ) do |reg|
         @data[:system][:operating_system][:name]    = safe_reg(reg, "ProductName")
         @data[:system][:operating_system][:build]   = safe_reg(reg, "CurrentBuild")
@@ -86,24 +102,26 @@ class W3DHub
     end
 
     def query_cpus
-      begin
-        Win32::Registry::HKEY_LOCAL_MACHINE.open("HARDWARE\\DESCRIPTION\\System\\CentralProcessor", Win32::Registry::KEY_READ) do |reg|
-          i = 0
+      if Gem::win_platform?
+        begin
+          Win32::Registry::HKEY_LOCAL_MACHINE.open("HARDWARE\\DESCRIPTION\\System\\CentralProcessor", Win32::Registry::KEY_READ) do |reg|
+            i = 0
 
-          reg.each_key do |key|
-            reg.open(key) do |cpu|
-              @data[:system][:cpus] << {
-                manufacturer: safe_reg(cpu, "VendorIdentifier", "Unknown"),
-                model: safe_reg(cpu, "ProcessorNameString").strip,
-                mhz: safe_reg(cpu, "~MHz"),
-                family: safe_reg(cpu, "Identifier")
-              }
+            reg.each_key do |key|
+              reg.open(key) do |cpu|
+                @data[:system][:cpus] << {
+                  manufacturer: safe_reg(cpu, "VendorIdentifier", "Unknown"),
+                  model: safe_reg(cpu, "ProcessorNameString").strip,
+                  mhz: safe_reg(cpu, "~MHz"),
+                  family: safe_reg(cpu, "Identifier")
+                }
 
-              i += 1
+                i += 1
+              end
             end
           end
+        rescue Win32::Registry::Error
         end
-      rescue Win32::Registry::Error
       end
 
       instruction_sets = %w[ HasRDTSC HasAltiVec HasMMX Has3DNow HasSSE HasSSE2 HasSSE3 HasSSE41 HasSSE42 HasAVX HasAVX2 HasAVX512F HasARMSIMD HasNEON ] # HasLSX HasLASX # These cause a crash atm
@@ -122,6 +140,8 @@ class W3DHub
     end
 
     def query_gpus
+      return unless Gem::win_platform?
+
       Win32::Registry::HKEY_LOCAL_MACHINE.open("SYSTEM\\ControlSet001\\Control\\Class\\{4d36e968-e325-11ce-bfc1-08002be10318}", Win32::Registry::KEY_READ) do |reg|
         i = 0
 

lib/win32_stub.rb

@@ -0,0 +1,110 @@
+module Win32
+  class Registry
+    module Constants
+      HKEY_CLASSES_ROOT = 0x80000000
+      HKEY_CURRENT_USER = 0x80000001
+      HKEY_LOCAL_MACHINE = 0x80000002
+      HKEY_USERS = 0x80000003
+      HKEY_PERFORMANCE_DATA = 0x80000004
+      HKEY_PERFORMANCE_TEXT = 0x80000050
+      HKEY_PERFORMANCE_NLSTEXT = 0x80000060
+      HKEY_CURRENT_CONFIG = 0x80000005
+      HKEY_DYN_DATA = 0x80000006
+
+      REG_NONE = 0
+      REG_SZ = 1
+      REG_EXPAND_SZ = 2
+      REG_BINARY = 3
+      REG_DWORD = 4
+      REG_DWORD_LITTLE_ENDIAN = 4
+      REG_DWORD_BIG_ENDIAN = 5
+      REG_LINK = 6
+      REG_MULTI_SZ = 7
+      REG_RESOURCE_LIST = 8
+      REG_FULL_RESOURCE_DESCRIPTOR = 9
+      REG_RESOURCE_REQUIREMENTS_LIST = 10
+      REG_QWORD = 11
+      REG_QWORD_LITTLE_ENDIAN = 11
+
+      STANDARD_RIGHTS_READ = 0x00020000
+      STANDARD_RIGHTS_WRITE = 0x00020000
+      KEY_QUERY_VALUE = 0x0001
+      KEY_SET_VALUE = 0x0002
+      KEY_CREATE_SUB_KEY = 0x0004
+      KEY_ENUMERATE_SUB_KEYS = 0x0008
+      KEY_NOTIFY = 0x0010
+      KEY_CREATE_LINK = 0x0020
+      KEY_READ = STANDARD_RIGHTS_READ |
+        KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS | KEY_NOTIFY
+      KEY_WRITE = STANDARD_RIGHTS_WRITE |
+        KEY_SET_VALUE | KEY_CREATE_SUB_KEY
+      KEY_EXECUTE = KEY_READ
+      KEY_ALL_ACCESS = KEY_READ | KEY_WRITE | KEY_CREATE_LINK
+
+      REG_OPTION_RESERVED = 0x0000
+      REG_OPTION_NON_VOLATILE = 0x0000
+      REG_OPTION_VOLATILE = 0x0001
+      REG_OPTION_CREATE_LINK = 0x0002
+      REG_OPTION_BACKUP_RESTORE = 0x0004
+      REG_OPTION_OPEN_LINK = 0x0008
+      REG_LEGAL_OPTION = REG_OPTION_RESERVED |
+        REG_OPTION_NON_VOLATILE | REG_OPTION_CREATE_LINK |
+        REG_OPTION_BACKUP_RESTORE | REG_OPTION_OPEN_LINK
+
+      REG_CREATED_NEW_KEY = 1
+      REG_OPENED_EXISTING_KEY = 2
+
+      REG_WHOLE_HIVE_VOLATILE = 0x0001
+      REG_REFRESH_HIVE = 0x0002
+      REG_NO_LAZY_FLUSH = 0x0004
+      REG_FORCE_RESTORE = 0x0008
+
+      MAX_KEY_LENGTH = 514
+      MAX_VALUE_LENGTH = 32768
+    end
+    include Constants
+    include Enumerable
+
+    class Error < ::StandardError
+      attr_reader :code
+    end
+
+    class PredefinedKey < Registry
+      def initialize(hkey, keyname)
+        @hkey = hkey
+        @parent = nil
+        @keyname = keyname
+        @disposition = REG_OPENED_EXISTING_KEY
+      end
+
+      # Predefined keys cannot be closed
+      def close
+        raise Error.new(5) ## ERROR_ACCESS_DENIED
+      end
+
+      # Fake #class method for Registry#open, Registry#create
+      def class
+        Registry
+      end
+
+      # Make all
+      Constants.constants.grep(/^HKEY_/) do |c|
+        Registry.const_set c, new(Constants.const_get(c), c.to_s)
+      end
+    end
+
+    def open(*args)
+      raise Win32::Registry::Error
+    end
+
+    def create(*args)
+      Stub.new
+    end
+
+    class Stub
+      def write_i(*arg)
+        # No OP
+      end
+    end
+  end
+end

w3d_hub_linux_launcher.rb

@@ -78,6 +78,8 @@ I18n.default_locale = :en
 # GUI_DEBUG = true
 require_relative "lib/gui_state_ext"
 
+require_relative "lib/win32_stub" unless Gem.win_platform?
+
 require_relative "lib/version"
 require_relative "lib/theme"
 require_relative "lib/common"