diff --git a/classes/TerraFarm.lua b/classes/TerraFarm.lua
index bea812c..871cd82 100644
--- a/classes/TerraFarm.lua
+++ b/classes/TerraFarm.lua
@@ -34,48 +34,6 @@ TerraFarm.NAME_TO_MODE = {
     ['FLATTEN'] = TerraFarm.MODE.FLATTEN,
     ['PAINT'] = TerraFarm.MODE.PAINT
 }
-TerraFarm.PAINT_LAYERS = {
-    ['dirt'] = 1,
-    ['gravel'] = 2,
-    ['concrete'] = 3,
-    ['asphalt'] = 4,
-    ['grass'] = 5,
-    ['sand'] = 6,
-    ['animalMud'] = 7,
-    ['plates'] = 8,
-    ['cobblestones'] = 9,
-    ['flagstones'] = 10,
-    ['forestGround'] = 11,
-    ['rock'] = 12
-}
-TerraFarm.PAINT_LAYER_TEXTS = {
-    'Dirt',
-    'Gravel',
-    'Concrete',
-    'Asphalt',
-    'Grass',
-    'Sand',
-    'Animal mud',
-    'Plates',
-    'Cobblestones',
-    'Flagstones',
-    'Forest ground',
-    'Rock'
-}
-TerraFarm.TEXT_TO_PAINT_LAYER = {
-    ['Dirt'] = 'dirt',
-    ['Gravel'] = 'gravel',
-    ['Concrete'] = 'concrete',
-    ['Asphalt'] = 'asphalt',
-    ['Grass'] = 'grass',
-    ['Sand'] = 'sand',
-    ['Animal mud'] = 'animalMud',
-    ['Plates'] = 'plates',
-    ['Cobblestones'] = 'cobblestones',
-    ['Flagstones'] = 'flagstones',
-    ['Forest ground'] = 'forestGround',
-    ['Rock'] = 'rock'
-}
 
 ---@return TerraFarm
 function TerraFarm.new()
@@ -112,7 +70,7 @@ function TerraFarm:setPaintLayer(name, textIndex)
     if name then
         self.config.terraformPaintLayer = name
     elseif textIndex then
-        self:setPaintLayer(TerraFarm.TEXT_TO_PAINT_LAYER[TerraFarm.PAINT_LAYER_TEXTS[textIndex]])
+        self:setPaintLayer(TerraFarmGroundTypes:getNameByIndex(textIndex))
     end
 end
 
@@ -142,7 +100,7 @@ function TerraFarm:setDischargePaintLayer(name, textIndex)
     if name then
         self.config.dischargePaintLayer = name
     elseif textIndex then
-        self:setDischargePaintLayer(TerraFarm.TEXT_TO_PAINT_LAYER[TerraFarm.PAINT_LAYER_TEXTS[textIndex]])
+        self:setDischargePaintLayer(TerraFarmGroundTypes:getNameByIndex(textIndex))
     end
 end
 
@@ -162,6 +120,11 @@ function TerraFarm:updateFillTypeData()
     self:setFillType(self.config.fillTypeName)
 end
 
+function TerraFarm:updatePaintLayerData()
+    self:setPaintLayer(nil, TerraFarmGroundTypes:getIndexByName(self.config.terraformPaintLayer))
+    self:setDischargePaintLayer(nil, TerraFarmGroundTypes:getIndexByName(self.config.dischargePaintLayer))
+end
+
 function TerraFarm:registerCustomFillType()
     local name = 'DIRT'
 
diff --git a/classes/TerraFarmGroundTypes.lua b/classes/TerraFarmGroundTypes.lua
new file mode 100644
index 0000000..680d385
--- /dev/null
+++ b/classes/TerraFarmGroundTypes.lua
@@ -0,0 +1,58 @@
+---@class TerraFarmGroundTypes
+---@field items GroundTypeItem[]
+TerraFarmGroundTypes = {}
+
+TerraFarmGroundTypes.items = {}
+TerraFarmGroundTypes.TYPES_LIST = {}
+
+local function isValidGroundTypeName(name)
+    return name == string.upper(name)
+end
+
+function TerraFarmGroundTypes:init()
+    for name, layerId in pairs(g_groundTypeManager.terrainLayerMapping) do
+        if isValidGroundTypeName(name) then
+            local index = #self.items + 1
+            local item = {
+                index = index,
+                name = name,
+                layerId = layerId
+            }
+            table.insert(self.items, item)
+            table.insert(self.TYPES_LIST, name)
+        end
+    end
+
+    g_terraFarm:updatePaintLayerData()
+end
+
+function TerraFarmGroundTypes:getIndexByName(name)
+    for index, item in ipairs(self.items) do
+        if item.name == name then
+            return index
+        end
+    end
+    return 1
+end
+
+function TerraFarmGroundTypes:getNameByIndex(index)
+    if self.items[index] ~= nil then
+        return self.items[index].name
+    end
+end
+
+function TerraFarmGroundTypes:getLayerByName(name)
+    for _, item in ipairs(self.items) do
+        if item.name == name then
+            return item.layerId
+        end
+    end
+
+    return 0
+end
+
+GroundTypeManager.initTerrain = Utils.appendedFunction(GroundTypeManager.initTerrain,
+    function ()
+        TerraFarmGroundTypes:init()
+    end
+)
\ No newline at end of file
diff --git a/classes/events/TerraFarmLandscapingEvent.lua b/classes/events/TerraFarmLandscapingEvent.lua
index fcc0f2b..e8e8f1b 100644
--- a/classes/events/TerraFarmLandscapingEvent.lua
+++ b/classes/events/TerraFarmLandscapingEvent.lua
@@ -44,7 +44,7 @@ function TerraFarmLandscapingEvent.new(machineType, mode, object, operation, pos
     self.isDischarging = isDischarging or false
 
     if type(paintLayer) == 'string' then
-        self.paintLayer = g_groundTypeManager:getTerrainLayerByType(paintLayer)
+        self.paintLayer = TerraFarmGroundTypes:getLayerByName(paintLayer)
     end
 
     return self
diff --git a/classes/gui/TerraFarmSettingsMainFrame.lua b/classes/gui/TerraFarmSettingsMainFrame.lua
index d5a9c90..cffd7ed 100644
--- a/classes/gui/TerraFarmSettingsMainFrame.lua
+++ b/classes/gui/TerraFarmSettingsMainFrame.lua
@@ -57,8 +57,8 @@ function TerraFarmSettingsMainFrame:updateSettings()
     self.enableDebug:setIsChecked(g_terraFarm.config.debug)
     self.disableDischarge:setIsChecked(g_terraFarm.config.disableDischarge)
     self.disablePaint:setIsChecked(g_terraFarm.config.terraformDisablePaint)
-    self.paintLayer:setState(TerraFarm.PAINT_LAYERS[g_terraFarm.config.terraformPaintLayer])
-    self.dischargePaintLayer:setState(TerraFarm.PAINT_LAYERS[g_terraFarm.config.dischargePaintLayer])
+    self.paintLayer:setState(TerraFarmGroundTypes:getIndexByName(g_terraFarm.config.terraformPaintLayer))
+    self.dischargePaintLayer:setState(TerraFarmGroundTypes:getIndexByName(g_terraFarm.config.dischargePaintLayer))
     self.fillType:setState(TerraFarmFillTypes.NAME_TO_INDEX[g_terraFarm.config.fillTypeName])
 end
 
@@ -92,7 +92,7 @@ end
 
 ---@param element MultiTextOptionElement
 function TerraFarmSettingsMainFrame:onCreateDischargePaintLayer(element)
-    element:setTexts(TerraFarm.PAINT_LAYER_TEXTS)
+    element:setTexts(TerraFarmGroundTypes.TYPES_LIST)
 end
 
 ---@param state number
@@ -103,7 +103,7 @@ end
 
 ---@param element MultiTextOptionElement
 function TerraFarmSettingsMainFrame:onCreatePaintLayer(element)
-    element:setTexts(TerraFarm.PAINT_LAYER_TEXTS)
+    element:setTexts(TerraFarmGroundTypes.TYPES_LIST)
 end
 
 ---@param state number
diff --git a/definitions.lua b/definitions.lua
index 887a9c3..ab65ce3 100644
--- a/definitions.lua
+++ b/definitions.lua
@@ -15,4 +15,10 @@ Position = {
 ---@field filePath string
 ---@field actionEvents table
 ---@field machine TerraFarmMachine
-MachineSpec = {}
\ No newline at end of file
+MachineSpec = {}
+
+---@class GroundTypeItem
+---@field index number
+---@field name string
+---@field layerId number
+GroundTypeItem = {}
\ No newline at end of file
diff --git a/script.lua b/script.lua
index ba231d3..b357fd0 100644
--- a/script.lua
+++ b/script.lua
@@ -5,6 +5,7 @@ source(modFolder .. 'classes/TerraFarm.lua')
 source(modFolder .. 'classes/debug/TerraFarmDebug.lua')
 
 source(modFolder .. 'classes/TerraFarmFillTypes.lua')
+source(modFolder .. 'classes/TerraFarmGroundTypes.lua')
 
 source(modFolder .. 'classes/TerraFarmLandscaping.lua')
 source(modFolder .. 'classes/events/TerraFarmLandscapingEvent.lua')