diff --git a/sonic-radiance.love/datas/gamedata/maps/terrains.lua b/sonic-radiance.love/datas/gamedata/maps/terrains.lua
new file mode 100644
index 0000000..a924234
--- /dev/null
+++ b/sonic-radiance.love/datas/gamedata/maps/terrains.lua
@@ -0,0 +1,62 @@
+return {
+    ["non-solid"] = {
+        {
+            terrainType = "normal",
+            forceAction = nil,
+            level=0,
+            height=0,
+            canJump = true
+        }
+    },
+    ice = {
+        {
+            terrainType = "forceAction",
+            forceAction = "slide",
+            level=0,
+            height=0,
+            canJump = false
+        }
+    },
+    water = {
+        {
+            terrainType = "forceAction",
+            forceAction = "fall",
+            level=-32,
+            height=0,
+            damage = 10,
+            speedFactor = 0,
+        },
+        {
+            terrainType = "normal",
+            forceAction = nil,
+            level=-10,
+            height=0,
+            mustHaveAction = "swim",
+            mustDoAction = nil,
+            speedFactor = 0.8,
+            canJump = true,
+            damage = 0,
+        },
+        {
+            terrainType = "normal",
+            forceAction = nil,
+            level=0,
+            height=0,
+            mustHaveAction = "run",
+            mustDoAction = "run",
+            speedFactor = 1,
+            canJump = true,
+            damage = 0,
+        }
+    },
+    grass = {
+        {
+            terrainType = "normal",
+            forceAction = nil,
+            level=0,
+            height=16,
+            speedFactor = 0.75,
+            canJump = false,
+        }
+    }
+}
\ No newline at end of file
diff --git a/sonic-radiance.love/scenes/overworld/actors/player/init.lua b/sonic-radiance.love/scenes/overworld/actors/player/init.lua
index 0ece93b..022b6f7 100644
--- a/sonic-radiance.love/scenes/overworld/actors/player/init.lua
+++ b/sonic-radiance.love/scenes/overworld/actors/player/init.lua
@@ -39,6 +39,7 @@ end
 
 function Player:updateStart(dt)
   self.tweens:update(dt)
+  self:updateTerrain()
 
   self:actionMove()
   self:actionJump()
diff --git a/sonic-radiance.love/scenes/overworld/actors/player/interactions.lua b/sonic-radiance.love/scenes/overworld/actors/player/interactions.lua
index 5f77016..fbd6d8a 100644
--- a/sonic-radiance.love/scenes/overworld/actors/player/interactions.lua
+++ b/sonic-radiance.love/scenes/overworld/actors/player/interactions.lua
@@ -1,8 +1,28 @@
 local PlayerInteractions = Object:extend()
 
+local terrainData = require "datas.gamedata.maps.terrains"
+
+local MIN_X = 2
+local MAX_X = 14
+local MIN_Y = 9
+local MAX_Y = 15
+
+local TERRAIN_CHECKER = {
+  {x = MIN_X, y = MIN_Y},
+  {x = MIN_X, y = MAX_Y},
+  {x = MAX_X, y = MIN_Y},
+  {x = MAX_X, y = MAX_Y},
+}
+
 function PlayerInteractions:initInteractions()
     self.lastCollision = -1
     self.haveCollided = false
+    self.terrain = {}
+    self.terrain.name = ""
+    self.terrain.data = {}
+    self.lastPos = {}
+    self.lastPos.x = math.floor(self.x/16) * 16
+    self.lastPos.y = math.floor(self.y/16) * 16
 end
 
 function PlayerInteractions:updateInteraction()
@@ -51,4 +71,75 @@ function PlayerInteractions:faceRightDirection(other)
   end
 end
 
+function PlayerInteractions:updateTerrain()
+  local newTerrain = self:getCurrentTerrain()
+
+  if (self.terrain.name ~= newTerrain) then
+    print(newTerrain)
+    self.terrain.name = newTerrain
+    self:updateTerrainData()
+  end
+  if (newTerrain == "non-solid") then
+    self:updateLastPosition()
+  end
+end
+
+function PlayerInteractions:updateLastPosition()
+  local canUpdate = true
+  for _, coord in ipairs(TERRAIN_CHECKER) do
+    local newTerrain = self.world:getTileTypeAtPoint(self.x + coord.x, self.y + coord.y)
+    if (newTerrain ~= "non-solid") then
+      self.canUpdate = false
+      break;
+    end
+  end
+  if (canUpdate) then
+    self.lastPos = {}
+    self.lastPos.x = math.floor(self.x/16) * 16
+    self.lastPos.y = math.floor(self.y/16) * 16
+  end
+end
+
+function PlayerInteractions:updateTerrainData()
+  local dataPack = terrainData[self.terrain.name]
+  local newData = terrainData["non-solid"][1]
+
+  if (dataPack == nil) then
+    dataPack = terrainData["non-solid"]
+  end
+
+  for id, data in ipairs(dataPack) do
+    local useThisData = true
+    if (data.mustHaveAction ~= nil and not self:canDoAction(data.mustHaveAction)) then
+      useThisData = false
+    end
+    if (data.mustDoAction ~= nil and data.mustDoAction ~= self.currentAction) then
+      useThisData = false
+    end
+
+    if (useThisData) then
+      newData = data
+      print(id)
+    end
+  end
+
+  self:setTerrainData(newData)
+end
+
+function PlayerInteractions:setTerrainData(data)
+  --TODO
+end
+
+function PlayerInteractions:getCurrentTerrain()
+  local terrain = self.terrain.name
+  for _, coord in ipairs(TERRAIN_CHECKER) do
+    local newTerrain = self.world:getTileTypeAtPoint(self.x + coord.x, self.y + coord.y)
+    terrain = newTerrain
+    if (newTerrain == "non-solid") then
+      break;
+    end
+  end
+  return terrain
+end
+
 return PlayerInteractions