volume setting

src/configman.cr

@@ -8,13 +8,16 @@ module Funfriend::ConfigMan
 
   CONFIG_NAME = "cfg.ini"
 
-  alias ConfigValue = String | Int32 | Bool
+  alias ConfigValue = String | Int32 | Bool | Float64
   alias ConfigSection = Hash(String, ConfigValue)
   alias Config = Hash(String, ConfigSection)
 
   DEFAULT_CONFIG = {
     "window" => {
       "funfriend_size" => 64.as(ConfigValue)
+    },
+    "sound" => {
+      "volume" => 0.2.as(ConfigValue)
     }
   }.as(Config)
 
@@ -59,8 +62,9 @@ module Funfriend::ConfigMan
             when String
               value
             when Int32
-              puts "huh"
               value.to_i32?
+            when Float64
+              value.to_f64?
             when Bool
               value === "1" || value.downcase === "true"
             end
@@ -70,9 +74,13 @@ module Funfriend::ConfigMan
               # write to config
               @@config[sect_i][key] = casted_val.not_nil!
             end
+          else
+            # keep as a string just incase it's ever needed
+            @@config[sect_i][key] = value
           end
         end
       end
+      File.write(config_file, INI.build(@@config))
     end
 
     @@config_initialized = true

src/soundman.cr

@@ -20,6 +20,6 @@ module Funfriend::SoundMan
     SDL::Mix.init(SDL::Mix::Init::OGG); at_exit { SDL::Mix.quit }
     SDL::Mix.open
 
-    SDL::Mix::Channel.volume = SDL::Mix::MAX_VOLUME // 5
+    SDL::Mix::Channel.volume = SDL::Mix::MAX_VOLUME * ConfigMan.config["sound"]["volume"].as(Float64)
   end
 end