Reimplement text edit scrolling in C++

* And update some corelib APIs

modules/corelib/outputmessage.lua

@@ -3,8 +3,22 @@ function OutputMessage:addData(data)
     self:addU8(NetworkMessageTypes.Boolean)
     self:addU8(booleantonumber(data))
   elseif type(data) == 'number' then
-    self:addU8(NetworkMessageTypes.Number)
-    self:addU64(data)
+    if math.isu8(data) then
+      self:addU8(NetworkMessageTypes.U8)
+      self:addU8(data)
+    elseif math.isu16(data) then
+      self:addU8(NetworkMessageTypes.U16)
+      self:addU16(data)
+    elseif math.isu32(data) then
+      self:addU8(NetworkMessageTypes.U32)
+      self:addU32(data)
+    elseif math.isu64(data) then
+      self:addU8(NetworkMessageTypes.U64)
+      self:addU64(data)
+    else -- negative or non integer numbers
+      self:addU8(NetworkMessageTypes.NumberString)
+      self:addString(tostring(data))
+    end
   elseif type(data) == 'string' then
     self:addU8(NetworkMessageTypes.String)
     self:addString(data)
@@ -19,9 +33,9 @@ end
 function OutputMessage:addTable(data)
   local size = 0
 
-  -- reserve for size
+  -- reserve for size (should be addData, find a way to use it further)
   local sizePos = self:getWritePos()
-  self:addU32(size)
+  self:addU16(size)
   local sizeSize = self:getWritePos() - sizePos
 
   -- add values
@@ -34,9 +48,16 @@ function OutputMessage:addTable(data)
   -- write size
   local currentPos = self:getWritePos()
   self:setWritePos(sizePos)
-  self:addU32(size)
+  self:addU16(size)
 
   -- fix msg size and go back to end
   self:setMessageSize(self:getMessageSize() - sizeSize)
   self:setWritePos(currentPos)
-end
+end
+
+function OutputMessage:addColor(color)
+  self:addU8(color.r)
+  self:addU8(color.g)
+  self:addU8(color.b)
+  self:addU8(color.a)
+end