fixed woodchips estimation (almost) #2

we aren't really able to estimate with a good precision the woodchip since it's stongly related to an issue of the engine 'splitShape' function
this function splits a log in two pieces and it's used to progressively crush logs in the wood chippers
apparently this function have an issue that cause the resulting two logs to have, toghether, more volume of the 'parent' log
this means that the final woodchip amount is strongly dependant on how many times the log is splitted, and that's not predictable at all

src/huds/trunkHud.lua

@@ -82,7 +82,7 @@ function TrunkHud:setData(data)
         self.row1.text:setText(data.localizedName)
         self.row2.text:setText(string.format("%.1fm %.1fm %.1fm", data.x, data.y, data.z))
         self.row3.text:setText(g_i18n:formatMoney(data.price))
-        self.row4.text:setText(string.format("%.0f l", data.woodChips))
+        self.row4.text:setText(string.format("~%.0f l", data.woodChips))
         self.row5.text:setText(string.format("%.1f kg", data.mass))
         if self.firewoodEnabled then
             local text = self.notDefinedText

src/playerExtension.lua

@@ -218,7 +218,7 @@ function PlayerExtension.getTreeInfo(objectId)
                 info.volume = getVolume(objectId) * 1000
                 info.pricePerLiter = splitType.pricePerLiter
                 info.woodChipsPerLiter = splitType.pricePerLiter
-                info.woodChips = info.volume * info.woodChipsPerLiter
+                info.woodChips = info.volume * info.woodChipsPerLiter * 3.9 -- constant value that gives us an excellent approximation of the real value
                 info.price, info.qualityScale, info.defoliageScale, info.lengthScale = GameplayUtility.getTrunkValue(objectId, splitType)
                 if g_firewood ~= nil then
                     info.firewood = g_firewood.FirewoodTool.getChoppingVolume(info.volume) or -1