Add net function readInt8 and use it for item pixel offset.

3 files changed, 18 insertions, 4 deletions

diff --git a/src/net/ea/itemhandler.cpp b/src/net/ea/itemhandler.cpp
index 8719c6256..e5ed730a0 100644
--- a/src/net/ea/itemhandler.cpp
+++ b/src/net/ea/itemhandler.cpp
@@ -47,8 +47,8 @@ void ItemHandler::processItemVisible(Net::MessageIn &msg)
     const int x = msg.readInt16();
     const int y = msg.readInt16();
     const int amount = msg.readInt16();
-    const int subX = msg.readUInt8();
-    const int subY = msg.readUInt8();
+    const int subX = static_cast<int>(msg.readInt8());
+    const int subY = static_cast<int>(msg.readInt8());
 
     if (actorManager)
     {
@@ -64,8 +64,8 @@ void ItemHandler::processItemDropped(Net::MessageIn &msg)
     const uint8_t identify = msg.readUInt8();  // identify flag
     const int x = msg.readInt16();
     const int y = msg.readInt16();
-    const int subX = static_cast<int>(msg.readUInt8());
-    const int subY = static_cast<int>(msg.readUInt8());
+    const int subX = static_cast<int>(msg.readInt8());
+    const int subY = static_cast<int>(msg.readInt8());
     const int amount = msg.readInt16();
 
     if (actorManager)
diff --git a/src/net/messagein.cpp b/src/net/messagein.cpp
index 301d51ad9..ccc80a838 100644
--- a/src/net/messagein.cpp
+++ b/src/net/messagein.cpp
@@ -55,6 +55,18 @@ unsigned char MessageIn::readUInt8()
 
     mPos += 1;
     PacketCounters::incInBytes(1);
+    DEBUGLOG("readUInt8: " + toStringPrint(static_cast<int>(value)));
+    return value;
+}
+
+signed char MessageIn::readInt8()
+{
+    signed char value = static_cast<signed char>(-1);
+    if (mPos < mLength)
+        value = static_cast<signed char>(mData[mPos]);
+
+    mPos += 1;
+    PacketCounters::incInBytes(1);
     DEBUGLOG("readInt8: " + toStringPrint(static_cast<int>(value)));
     return value;
 }
diff --git a/src/net/messagein.h b/src/net/messagein.h
index f9f2aceb0..932764b8c 100644
--- a/src/net/messagein.h
+++ b/src/net/messagein.h
@@ -60,6 +60,8 @@ class MessageIn notfinal
 
         virtual unsigned char readUInt8();  /**< Reads a byte. */
 
+        virtual signed char readInt8();     /**< Reads a byte. */
+
         virtual int16_t readInt16() = 0;    /**< Reads a short. */
 
         virtual int readInt32() = 0;        /**< Reads a long. */