replacenew TUNNEL_UNDERLAY_tropic_grass_00                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,0) { tunnel_underlay_x1(0,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_00, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(0,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_00, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(0,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_00, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(0,0,0,64  ) }
replacenew TUNNEL_UNDERLAY_tropic_grass_01                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,1) { tunnel_underlay_x1(1,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_01, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(1,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_01, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(1,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_01, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(1,0,0,-64 ) }
replacenew TUNNEL_UNDERLAY_tropic_grass_02                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,2) { tunnel_underlay_x1(2,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_02, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(2,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_02, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(2,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_02, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(2,0,0,64  ) }
replacenew TUNNEL_UNDERLAY_tropic_grass_03                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,3) { tunnel_underlay_x1(3,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_03, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(3,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_03, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(3,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_03, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(3,0,0,-64 ) }
replacenew TUNNEL_UNDERLAY_tropic_grass_04                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,4) { tunnel_underlay_x1(4,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_04, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(4,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_04, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(4,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_04, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(4,0,0,64  ) }
replacenew TUNNEL_UNDERLAY_tropic_grass_05                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,5) { tunnel_underlay_x1(5,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_05, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(5,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_05, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(5,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_05, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(5,0,0,-64 ) }
replacenew TUNNEL_UNDERLAY_tropic_grass_06                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,6) { tunnel_underlay_x1(6,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_06, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(6,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_06, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(6,0,0,64  ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_06, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(6,0,0,64  ) }
replacenew TUNNEL_UNDERLAY_tropic_grass_07                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,7) { tunnel_underlay_x1(7,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_07, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(7,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_07, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(7,0,0,-64 ) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_grass_07, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(7,0,0,-64 ) }

replacenew TUNNEL_UNDERLAY_tropic_desert_00                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,0) { tunnel_underlay_x1(0,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_00, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(0,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_00, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(0,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_00, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(0,2,0,64) }
replacenew TUNNEL_UNDERLAY_tropic_desert_01                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,1) { tunnel_underlay_x1(1,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_01, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(1,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_01, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(1,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_01, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(1,2,0,-64) }
replacenew TUNNEL_UNDERLAY_tropic_desert_02                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,2) { tunnel_underlay_x1(2,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_02, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(2,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_02, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(2,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_02, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(2,2,0,64) }
replacenew TUNNEL_UNDERLAY_tropic_desert_03                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,3) { tunnel_underlay_x1(3,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_03, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(3,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_03, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(3,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_03, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(3,2,0,-64) }
replacenew TUNNEL_UNDERLAY_tropic_desert_04                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,4) { tunnel_underlay_x1(4,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_04, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(4,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_04, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(4,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_04, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(4,2,0,64) }
replacenew TUNNEL_UNDERLAY_tropic_desert_05                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,5) { tunnel_underlay_x1(5,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_05, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(5,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_05, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(5,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_05, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(5,2,0,-64) }
replacenew TUNNEL_UNDERLAY_tropic_desert_06                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,6) { tunnel_underlay_x1(6,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_06, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(6,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_06, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(6,2,0,64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_06, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(6,2,0,64) }
replacenew TUNNEL_UNDERLAY_tropic_desert_07                            (RAILTYPE_TUNNELS, "gfx/LAND_for_tunnels_x1-8bpp.png" ,7) { tunnel_underlay_x1(7,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_07, ZOOM_LEVEL_NORMAL, BIT_DEPTH_32BPP, "gfx/LAND_for_tunnels_x1.png"        ) { tunnel_underlay_x1(7,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_07, ZOOM_LEVEL_IN_4X, BIT_DEPTH_32BPP,  "gfx/LAND_for_tunnels_x4.png"        ) { tunnel_underlay_x4(7,2,0,-64) }
alternative_sprites(TUNNEL_UNDERLAY_tropic_desert_07, ZOOM_LEVEL_IN_4X, BIT_DEPTH_8BPP,   "gfx/LAND_for_tunnels_x4-8bpp.png"   ) { tunnel_underlay_x4(7,2,0,-64) }