Creating Tileset with Textures for a small Unity Level with FPS Controller

Creating Tileset 4x4 meters per tile 1 x Wall, 1 x Floor , 1 x pos. Corner , 1x neg. Corner, 1 x Door / Passage and two level assets ( Torch and Gravestone) Textures : Diffusemap- RGB + Specularmap - A, Normalmap RGB Texturformat = TGA (24/32 Bit) also creating a collision mesh for every tile in maya to use as CollosionComponent in Unity