add resS support

lib/mikunyan/asset.rb

@@ -10,7 +10,7 @@ module Mikunyan
     # @attr_reader [Array<Integer>] add_ids ?
     # @attr_reader [Array<Mikunyan::Asset::Reference>] references reference data
     class Asset
-        attr_reader :name, :format, :generator_version, :target_platform, :endian, :klasses, :objects, :add_ids, :references
+        attr_reader :name, :format, :generator_version, :target_platform, :endian, :klasses, :objects, :add_ids, :references, :res_s
 
         # Struct for representing Asset class definition
         # @attr [Integer] class_id class ID
@@ -40,9 +40,10 @@ module Mikunyan
         # Load Asset from binary string
         # @param [String] bin binary data
         # @param [String] name Asset name
+        # @param [String] res_s resS data
         # @return [Mikunyan::Asset] deserialized Asset object
-        def self.load(bin, name)
+        def self.load(bin, name, res_s = nil)
-            r = Asset.new(name)
+            r = Asset.new(name, res_s)
             r.send(:load, bin)
             r
         end
@@ -123,9 +124,10 @@ module Mikunyan
 
         private
 
-        def initialize(name)
+        def initialize(name, res_s = nil)
             @name = name
             @endian = :big
+            @res_s = res_s
         end
 
         def load(bin)
@@ -245,6 +247,9 @@ module Mikunyan
                     else
                         r.value = parse_object_private(br, children[0]).value
                     end
+                elsif node.type == 'StreamingInfo'
+                    children.each{|child| r[child[:name]] = parse_object_private(br, child)}
+                    r.value = @res_s.byteslice(r['offset'].value, r['size'].value) if r['path'].value == "archive:/#{name}/#{name}.resS"
                 else
                     children.each do |child|
                         r[child[:name]] = parse_object_private(br, child)

lib/mikunyan/asset_bundle.rb

@@ -84,11 +84,13 @@ module Mikunyan
             asset_count = head.i32u
             asset_count.times{ asset_blocks << {:offset => head.i64u, :size => head.i64u, :status => head.i32, :name => head.cstr} }
 
-            raw_data = ''
+            raw_data = String.new
             blocks.each{|b| raw_data << uncompress(br.read(b[:c]), b[:u], b[:f])}
 
             asset_blocks.each do |b|
-                asset = Asset.load(raw_data.byteslice(b[:offset], b[:size]), b[:name])
+                next if b[:name].end_with?('.resS')
+                res_s = asset_blocks.find{|e| e[:name] == "#{b[:name]}.resS"}
+                asset = Asset.load(raw_data.byteslice(b[:offset], b[:size]), b[:name], res_s && raw_data.byteslice(res_s[:offset], res_s[:size]))
                 @assets << asset
             end
         end

lib/mikunyan/decoders/image_decoder.rb

@@ -23,6 +23,11 @@ module Mikunyan
             bin = bin.value
             fmt = fmt.value
 
+            if bin.size == 0 && object['m_StreamData']
+                bin = object['m_StreamData'].value
+                return nil unless bin
+            end
+
             case fmt
             when 1
                 decode_a8(width, height, bin)

lib/mikunyan/type_tree.rb

@@ -22,7 +22,8 @@ module Mikunyan
             node_count = br.i32u
             buffer_size = br.i32u
             node_count.times do
-                nodes << Node.new(br.i16u, br.i8u, br.i8u != 0, br.i32, br.i32, br.i32, br.i32u, br.i32u)
+                node = Node.new(br.i16u, br.i8u, br.i8u != 0, br.i32, br.i32, br.i32, br.i32u, br.i32u)
+                nodes << node
             end
             buffer = br.read(buffer_size)
             nodes.each do |n|