Fix BinaryTree skip, small otb changes

src/client/itemtype.h

@@ -43,7 +43,8 @@ enum ItemCategory : uint8 {
     ItemCategorySplash       = 11,
     ItemCategoryFluid        = 12,
     ItemCategoryDoor         = 13,
-    ItemCategoryLast         = 14
+    ItemCategoryDeprecated   = 14,
+    ItemCategoryLast         = 15
 };
 
 enum ItemTypeAttr : uint8 {
@@ -76,7 +77,8 @@ enum ItemTypeAttr : uint8 {
     ItemTypeAttrLight2           = 42,
     ItemTypeAttrTopOrder         = 43,
     ItemTypeAttrWrtiable3        = 44,   // deprecated
-    ItemTypeAttrLast             = 45
+    ItemTypeAttrWareId           = 45,
+    ItemTypeAttrLast             = 46
 };
 
 enum ClientVersion

src/client/thingtypemanager.cpp

@@ -178,17 +178,23 @@ void ThingTypeManager::loadOtb(const std::string& file)
             stdext::throw_exception("invalid otb file");
 
         BinaryTreePtr root = fin->getBinaryTree();
+        root->skip(1); // otb first byte is always 0
 
         signature = root->getU32();
         if(signature != 0)
             stdext::throw_exception("invalid otb file");
 
-        root->skip(4);
+        uint8 rootAttr = root->getU8();
+        if(rootAttr == 0x01) { // OTB_ROOT_ATTR_VERSION
+            uint16 size = root->getU16();
+            if(size != 4 + 4 + 4 + 128)
+                stdext::throw_exception("invalid otb root attr version size");
 
-        m_otbMajorVersion = root->getU32();
-        m_otbMinorVersion = root->getU32();
-        root->skip(4);
-        root->skip(128); // description
+            m_otbMajorVersion = root->getU32();
+            m_otbMinorVersion = root->getU32();
+            root->skip(4); // buildNumber
+            root->skip(128); // description
+        }
 
         m_reverseItemTypes.clear();
         m_itemTypes.resize(root->getChildren().size() + 1, m_nullItemType);

src/framework/core/binarytree.cpp

@@ -111,6 +111,12 @@ void BinaryTree::seek(uint pos)
     m_pos = pos;
 }
 
+void BinaryTree::skip(uint len)
+{
+    unserialize();
+    seek(tell() + len);
+}
+
 uint8 BinaryTree::getU8()
 {
     unserialize();

src/framework/core/binarytree.h

@@ -39,7 +39,7 @@ public:
     ~BinaryTree();
 
     void seek(uint pos);
-    void skip(uint len) { seek(tell() + len); }
+    void skip(uint len);
     uint tell() { return m_pos; }
     uint size() { unserialize(); return m_buffer.size(); }