Add first snap event sound world

lib/snapshot/events/sound_world.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require_relative '../snap_event_base'
+
+class NetEvent
+  class SoundWorld < SnapEventBase
+    attr_accessor :sound_id
+
+    def initialize(hash_or_raw)
+      @field_names = %i[
+        sound_id
+      ]
+      super
+    end
+
+    def self.match_type?(type)
+      type == NETEVENTTYPE_SOUNDWORLD
+    end
+  end
+end

lib/snapshot/snap_event_base.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+require_relative '../packer'
+require_relative 'snap_item_base'
+
+class SnapEventBase < SnapItemBase
+  attr_reader :x, :y
+
+  def initialize(hash_or_raw)
+    @field_names.prepend(:x)
+    @field_names.prepend(:y)
+    super
+  end
+end

lib/snapshot/unpacker.rb

@@ -4,6 +4,7 @@ require_relative 'items/game_data'
 require_relative 'items/character'
 require_relative 'items/player_info'
 require_relative 'items/projectile'
+require_relative 'events/sound_world'
 require_relative '../packer'
 
 class SnapshotUnpacker
@@ -100,6 +101,8 @@ class SnapshotUnpacker
         obj = NetObj::PlayerInfo.new(u)
       elsif NetObj::Projectile.match_type?(item_type)
         obj = NetObj::Projectile.new(u)
+      elsif NetEvent::SoundWorld.match_type?(item_type)
+        obj = NetEvent::SoundWorld.new(u)
       elsif @verbose
         puts "no match #{item_type}"
       end
@@ -128,7 +131,7 @@ class SnapshotUnpacker
       puts "  #{hex}"
     end
 
-    # exit 1 if invalid
+    exit 1 if invalid
 
     game_tick
   end