Merge pull request #743 from garakmon/metatile_labels

Name Metatiles

2 files changed, 361 insertions, 0 deletions

diff --git a/include/constants/metatile_labels.h b/include/constants/metatile_labels.h
new file mode 100644
index 000000000..0995d5309
--- /dev/null
+++ b/include/constants/metatile_labels.h
@@ -0,0 +1,346 @@
+#ifndef GUARD_METATILE_LABELS_H
+#define GUARD_METATILE_LABELS_H
+
+// gTileset_General
+#define METATILE_General_Grass               0x001
+#define METATILE_General_TallGrass           0x00D
+#define METATILE_General_LongGrass           0x015
+#define METATILE_General_TallGrass_TreeUp    0x025
+#define METATILE_General_Grass_TreeUp        0x00E
+#define METATILE_General_TallGrass_TreeLeft  0x1C6
+#define METATILE_General_TallGrass_TreeRight 0x1C7
+#define METATILE_General_Grass_TreeLeft      0x1CE
+#define METATILE_General_Grass_TreeRight     0x1CF
+#define METATILE_General_MuddySlope_Frame0   0x0E8
+#define METATILE_General_MuddySlope_Frame1   0x0E9
+#define METATILE_General_MuddySlope_Frame2   0x0EA
+#define METATILE_General_MuddySlope_Frame3   0x0EB
+#define METATILE_General_SandPit_Center      0x121
+#define METATILE_General_CaveEntrance_Top    0x09F
+#define METATILE_General_CaveEntrance_Bottom 0x0A7
+#define METATILE_General_RockWall_GrassBase  0x079
+#define METATILE_General_RockWall_RockBase   0x07C
+#define METATILE_General_RockWall_SandBase   0x091
+#define METATILE_General_RockWall_WaterBase  0x0A9
+#define METATILE_General_CalmWater           0x170
+#define METATILE_General_RoughWater          0x14E
+#define METATILE_General_RoughDeepWater      0x14F
+#define METATILE_General_ReflectiveWater     0x0A1
+#define METATILE_General_Shore_BottomLeft    0x1BD
+#define METATILE_General_Shore_BottomMid     0x1BE
+#define METATILE_General_Shore_BottomRight   0x1BF
+
+// gTileset_Fortree
+#define METATILE_Fortree_LongGrass_Root                   0x208
+#define METATILE_Fortree_BridgeOverGrass_Raised           0x24E
+#define METATILE_Fortree_BridgeOverGrass_Lowered          0x24F
+#define METATILE_Fortree_BridgeOverTrees_Raised           0x256
+#define METATILE_Fortree_BridgeOverTrees_Lowered          0x257
+#define METATILE_Fortree_SecretBase_LongGrass_TopLeft     0x279
+#define METATILE_Fortree_SecretBase_LongGrass_TopMid      0x27A
+#define METATILE_Fortree_SecretBase_LongGrass_TopRight    0x27B
+#define METATILE_Fortree_SecretBase_LongGrass_BottomLeft  0x281
+#define METATILE_Fortree_SecretBase_LongGrass_BottomMid   0x282
+#define METATILE_Fortree_SecretBase_LongGrass_BottomRight 0x283
+#define METATILE_Fortree_WoodBridge_Kecleon0              0x297
+#define METATILE_Fortree_WoodBridge_Kecleon1              0x29F
+
+// gTileset_Pacifidlog
+#define METATILE_Pacifidlog_FloatingLogs_Horizontal0      0x250
+#define METATILE_Pacifidlog_FloatingLogs_Horizontal1      0x251
+#define METATILE_Pacifidlog_HalfSubmergedLogs_Horizontal0 0x252
+#define METATILE_Pacifidlog_HalfSubmergedLogs_Horizontal1 0x253
+#define METATILE_Pacifidlog_SubmergedLogs_Horizontal0     0x254
+#define METATILE_Pacifidlog_SubmergedLogs_Horizontal1     0x255
+#define METATILE_Pacifidlog_FloatingLogs_Vertical0        0x258
+#define METATILE_Pacifidlog_FloatingLogs_Vertical1        0x260
+#define METATILE_Pacifidlog_HalfSubmergedLogs_Vertical0   0x259
+#define METATILE_Pacifidlog_HalfSubmergedLogs_Vertical1   0x261
+#define METATILE_Pacifidlog_SubmergedLogs_Vertical0       0x25A
+#define METATILE_Pacifidlog_SubmergedLogs_Vertical1       0x262
+
+// gTileset_Fallarbor
+#define METATILE_Fallarbor_AshGrass                 0x20A
+#define METATILE_Fallarbor_NormalGrass              0x212
+#define METATILE_Fallarbor_AshField                 0x218
+
+// gTileset_Lavaridge
+#define METATILE_Lavaridge_NormalGrass         0x206
+#define METATILE_Lavaridge_AshGrass            0x207
+#define METATILE_Lavaridge_LavaField           0x271
+
+// gTileset_EliteFour
+#define METATILE_EliteFour_OpenDoor_Frame           0x344
+#define METATILE_EliteFour_OpenDoor_Opening         0x345
+#define METATILE_EliteFour_OpenDoorChampion_Frame   0x346
+#define METATILE_EliteFour_OpenDoorChampion_Opening 0x347
+#define METATILE_EliteFour_LeftSpotlightOff         0x2DD
+#define METATILE_EliteFour_RightSpotlightOff        0x2DE
+#define METATILE_EliteFour_EntryDoor_ClosedTop      0x206
+#define METATILE_EliteFour_EntryDoor_ClosedBottom   0x20E
+
+// gTileset_InsideShip
+#define METATILE_InsideShip_InTactDoor0_Bottom 0x233
+#define METATILE_InsideShip_InTactDoor1_Bottom 0x22B
+#define METATILE_InsideShip_DoorIndent1        0x21A
+#define METATILE_InsideShip_DoorIndent0        0x234
+
+// gTileset_Cave
+#define METATILE_Cave_EntranceCover                     0x229
+#define METATILE_Cave_SealedChamberEntrance_TopLeft     0x22A
+#define METATILE_Cave_SealedChamberEntrance_TopMid      0x22B
+#define METATILE_Cave_SealedChamberEntrance_TopRight    0x22C
+#define METATILE_Cave_SealedChamberEntrance_BottomLeft  0x232
+#define METATILE_Cave_SealedChamberEntrance_BottomMid   0x233
+#define METATILE_Cave_SealedChamberEntrance_BottomRight 0x234
+#define METATILE_Cave_SealedChamberBraille_Mid          0x235
+#define METATILE_Cave_ShoalCave_DirtPile_Large          0x358
+#define METATILE_Cave_ShoalCave_DirtPile_Small          0x35A
+#define METATILE_Cave_ShoalCave_BlueStone_Large         0x359
+#define METATILE_Cave_ShoalCave_BlueStone_Small         0x35B
+
+// gTileset_BattleTower
+#define METATILE_BattleTower_CorridorOpenDoor_Top    0x207
+#define METATILE_BattleTower_CorridorOpenDoor_Bottom 0x20F
+#define METATILE_BattleTower_Elevator_Top0           0x268
+#define METATILE_BattleTower_Elevator_Top1           0x269
+#define METATILE_BattleTower_Elevator_Top2           0x26A
+#define METATILE_BattleTower_Elevator_Mid0           0x270
+#define METATILE_BattleTower_Elevator_Mid1           0x271
+#define METATILE_BattleTower_Elevator_Mid2           0x272
+#define METATILE_BattleTower_Elevator_Bottom0        0x278
+#define METATILE_BattleTower_Elevator_Bottom1        0x279
+#define METATILE_BattleTower_Elevator_Bottom2        0x27A
+
+// gTileset_Contest
+#define METATILE_Contest_WallShadow         0x221
+#define METATILE_Contest_FloorShadow        0x261
+#define METATILE_Contest_CounterFlap_Top    0x2D1
+#define METATILE_Contest_CounterFlap_Bottom 0x2D9
+
+// gTileset_LilycoveMuseum
+#define METATILE_LilycoveMuseum_Painting0_Left  0x25A
+#define METATILE_LilycoveMuseum_Painting0_Right 0x25B
+#define METATILE_LilycoveMuseum_Painting1_Left  0x25C
+#define METATILE_LilycoveMuseum_Painting1_Right 0x25D
+#define METATILE_LilycoveMuseum_Painting2_Left  0x25E
+#define METATILE_LilycoveMuseum_Painting2_Right 0x25F
+#define METATILE_LilycoveMuseum_Painting3_Left  0x260
+#define METATILE_LilycoveMuseum_Painting3_Right 0x261
+#define METATILE_LilycoveMuseum_Painting4_Left  0x262
+#define METATILE_LilycoveMuseum_Painting4_Right 0x263
+
+// gTileset_InsideOfTruck
+#define METATILE_InsideOfTruck_ExitLight_Top          0x208
+#define METATILE_InsideOfTruck_ExitLight_Mid          0x210
+#define METATILE_InsideOfTruck_ExitLight_Bottom       0x218
+#define METATILE_InsideOfTruck_DoorClosedFloor_Top    0x20D
+#define METATILE_InsideOfTruck_DoorClosedFloor_Mid    0x215
+#define METATILE_InsideOfTruck_DoorClosedFloor_Bottom 0x21D
+
+// gTileset_BrendansMaysHouse
+#define METATILE_BrendansMaysHouse_BrendanPC_Off    0x25A
+#define METATILE_BrendansMaysHouse_BrendanPC_On     0x27F
+#define METATILE_BrendansMaysHouse_MayPC_Off        0x259
+#define METATILE_BrendansMaysHouse_MayPC_On         0x27E
+#define METATILE_BrendansMaysHouse_MovingBox_Closed 0x268
+#define METATILE_BrendansMaysHouse_MovingBox_Open   0x270
+#define METATILE_BrendansMaysHouse_BookOnTable      0x293
+
+// gTileset_Lilycove
+#define METATILE_Lilycove_AquaHideout_Entrance_TopLeft     0x2A8
+#define METATILE_Lilycove_AquaHideout_Entrance_TopMid      0x2A9
+#define METATILE_Lilycove_AquaHideout_Entrance_TopRight    0x2AA
+#define METATILE_Lilycove_AquaHideout_Entrance_BottomLeft  0x2B0
+#define METATILE_Lilycove_AquaHideout_Entrance_BottomMid   0x2B1
+#define METATILE_Lilycove_AquaHideout_Entrance_BottomRight 0x2B2
+#define METATILE_Lilycove_Wailmer0                         0x290
+#define METATILE_Lilycove_Wailmer1                         0x291
+#define METATILE_Lilycove_Wailmer2                         0x2A0
+#define METATILE_Lilycove_Wailmer3                         0x2A1
+#define METATILE_Lilycove_Wailmer0_Alt                     0x298
+#define METATILE_Lilycove_Wailmer1_Alt                     0x299
+
+// gTileset_MauvilleGym
+#define METATILE_MauvilleGym_RaisedSwitch    0x205
+#define METATILE_MauvilleGym_PressedSwitch   0x206
+#define METATILE_MauvilleGym_FloorTile       0x21A
+#define METATILE_MauvilleGym_GreenBeamH1_On  0x220
+#define METATILE_MauvilleGym_GreenBeamH2_On  0x221
+#define METATILE_MauvilleGym_GreenBeamH3_On  0x228
+#define METATILE_MauvilleGym_GreenBeamH4_On  0x229
+#define METATILE_MauvilleGym_GreenBeamH1_Off 0x230
+#define METATILE_MauvilleGym_GreenBeamH2_Off 0x231
+#define METATILE_MauvilleGym_GreenBeamH3_Off 0x238
+#define METATILE_MauvilleGym_GreenBeamH4_Off 0x239
+#define METATILE_MauvilleGym_RedBeamH1_On    0x222
+#define METATILE_MauvilleGym_RedBeamH2_On    0x223
+#define METATILE_MauvilleGym_RedBeamH3_On    0x22A
+#define METATILE_MauvilleGym_RedBeamH4_On    0x22B
+#define METATILE_MauvilleGym_RedBeamH1_Off   0x232
+#define METATILE_MauvilleGym_RedBeamH2_Off   0x233
+#define METATILE_MauvilleGym_RedBeamH3_Off   0x23A
+#define METATILE_MauvilleGym_RedBeamH4_Off   0x23B
+#define METATILE_MauvilleGym_GreenBeamV1_On  0x240
+#define METATILE_MauvilleGym_GreenBeamV2_On  0x248
+#define METATILE_MauvilleGym_RedBeamV1_On    0x241
+#define METATILE_MauvilleGym_RedBeamV2_On    0x249
+#define METATILE_MauvilleGym_PoleTop_On      0x250
+#define METATILE_MauvilleGym_PoleTop_Off     0x251
+#define METATILE_MauvilleGym_PoleBottom_On   0x242
+#define METATILE_MauvilleGym_PoleBottom_Off  0x243
+
+// gTileset_MossdeepGym
+#define METATILE_MossdeepGym_Obelisk_Top           0x204
+#define METATILE_MossdeepGym_Obelisk_Base          0x20C
+#define METATILE_MossdeepGym_Wall_LeftCorner       0x20D
+#define METATILE_MossdeepGym_OuterWall_RightCorner 0x205
+#define METATILE_MossdeepGym_Empty0                0x238
+#define METATILE_MossdeepGym_Empty1                0x239
+
+// gTileset_Building
+#define METATILE_Building_TV_Off 0x002
+#define METATILE_Building_TV_On  0x003
+#define METATILE_Building_PC_Off 0x004
+#define METATILE_Building_PC_On  0x005
+
+// gTileset_GenericBuilding
+#define METATILE_GenericBuilding_Doorway_ClosedTop      0x28D
+#define METATILE_GenericBuilding_Doorway_ClosedBottom   0x295
+#define METATILE_GenericBuilding_TableEdge              0x2F1
+#define METATILE_GenericBuilding_TrickHouse_Door_Closed 0x21B
+#define METATILE_GenericBuilding_TrickHouse_Stairs_Down 0x219
+
+// gTileset_Shop
+#define METATILE_Shop_Laptop1_Normal 0x29D
+#define METATILE_Shop_Laptop2_Normal 0x2A5
+#define METATILE_Shop_Laptop1_Flash  0x258
+#define METATILE_Shop_Laptop2_Flash  0x260
+
+// gTileset_Facility
+#define METATILE_Facility_NewMauvilleDoor_Closed_Tile0 0x314
+#define METATILE_Facility_NewMauvilleDoor_Closed_Tile1 0x315
+#define METATILE_Facility_NewMauvilleDoor_Closed_Tile2 0x316
+#define METATILE_Facility_NewMauvilleDoor_Closed_Tile3 0x31C
+#define METATILE_Facility_NewMauvilleDoor_Closed_Tile4 0x31D
+#define METATILE_Facility_NewMauvilleDoor_Closed_Tile5 0x31E
+#define METATILE_Facility_NewMauvilleDoor_Open_Tile0   0x2C3
+#define METATILE_Facility_NewMauvilleDoor_Open_Tile1   0x2C4
+#define METATILE_Facility_NewMauvilleDoor_Open_Tile2   0x2C5
+#define METATILE_Facility_NewMauvilleDoor_Open_Tile3   0x2CB
+#define METATILE_Facility_NewMauvilleDoor_Open_Tile4   0x2CC
+#define METATILE_Facility_NewMauvilleDoor_Open_Tile5   0x2CD
+#define METATILE_Facility_DataPad                      0x3E4
+
+// gTileset_TrickHousePuzzle
+#define METATILE_TrickHousePuzzle_Stairs_Down                0x20B
+#define METATILE_TrickHousePuzzle_Lever_Off                  0x23E
+#define METATILE_TrickHousePuzzle_Lever_On                   0x23F
+#define METATILE_TrickHousePuzzle_Button_Up                  0x258
+#define METATILE_TrickHousePuzzle_Button_Pressed             0x259
+#define METATILE_TrickHousePuzzle_Door_Shuttered             0x26A
+#define METATILE_TrickHousePuzzle_Floor_ShadowTop_Alt        0x252
+#define METATILE_TrickHousePuzzle_Floor_ShadowTop            0x255
+#define METATILE_TrickHousePuzzle_BlueDoorH_Open_Tile0       0x24B
+#define METATILE_TrickHousePuzzle_BlueDoorH_Open_Tile1       0x24C
+#define METATILE_TrickHousePuzzle_BlueDoorH_Open_Tile2       0x253
+#define METATILE_TrickHousePuzzle_BlueDoorH_Open_Tile3       0x254
+#define METATILE_TrickHousePuzzle_BlueDoorH_Closed_Tile0     0x23B
+#define METATILE_TrickHousePuzzle_BlueDoorH_Closed_Tile1     0x23C
+#define METATILE_TrickHousePuzzle_BlueDoorH_Closed_Tile2     0x243
+#define METATILE_TrickHousePuzzle_BlueDoorH_Closed_Tile3     0x244
+#define METATILE_TrickHousePuzzle_RedDoorH_Open_Tile0        0x248
+#define METATILE_TrickHousePuzzle_RedDoorH_Open_Tile1        0x249
+#define METATILE_TrickHousePuzzle_RedDoorH_Open_Tile2        0x250
+#define METATILE_TrickHousePuzzle_RedDoorH_Open_Tile3        0x251
+#define METATILE_TrickHousePuzzle_RedDoorH_Closed_Tile0      0x238
+#define METATILE_TrickHousePuzzle_RedDoorH_Closed_Tile1      0x239
+#define METATILE_TrickHousePuzzle_RedDoorH_Closed_Tile2      0x240
+#define METATILE_TrickHousePuzzle_RedDoorH_Closed_Tile3      0x241
+#define METATILE_TrickHousePuzzle_BlueDoorV_Retracted        0x24D
+#define METATILE_TrickHousePuzzle_RedDoorV_Retracted         0x24A
+#define METATILE_TrickHousePuzzle_RedDoorV_Open0             0x23A
+#define METATILE_TrickHousePuzzle_RedDoorV_Open1             0x242
+#define METATILE_TrickHousePuzzle_BlueDoorV_Open0            0x23D
+#define METATILE_TrickHousePuzzle_BlueDoorV_Open1            0x245
+#define METATILE_TrickHousePuzzle_Arrow_RedOnBlack_Right     0x260
+#define METATILE_TrickHousePuzzle_Arrow_RedOnBlack_Left      0x261
+#define METATILE_TrickHousePuzzle_Arrow_RedOnBlack_Up        0x262
+#define METATILE_TrickHousePuzzle_Arrow_RedOnBlack_Down      0x263
+#define METATILE_TrickHousePuzzle_Arrow_RedOnBlack_Left_Alt  0x27B
+#define METATILE_TrickHousePuzzle_Arrow_RedOnBlack_Right_Alt 0x27C
+
+// gTileset_BikeShop
+#define METATILE_BikeShop_Barrier_Hidden_Top      0x269
+#define METATILE_BikeShop_Barrier_Hidden_Bottom   0x271
+#define METATILE_BikeShop_Floor_Shadow_Top        0x26D
+#define METATILE_BikeShop_Wall_Edge_Top           0x281
+#define METATILE_BikeShop_Button_Pressed          0x24F
+#define METATILE_BikeShop_Button_Green            0x22E
+#define METATILE_BikeShop_Button_Blue             0x236
+#define METATILE_BikeShop_Barrier_Green_Top       0x2B6
+#define METATILE_BikeShop_Barrier_Green_TopMid    0x2BE
+#define METATILE_BikeShop_Barrier_Green_BottomMid 0x2C6
+#define METATILE_BikeShop_Barrier_Green_Bottom    0x2CE
+#define METATILE_BikeShop_Barrier_Blue_Top        0x2B7
+#define METATILE_BikeShop_Barrier_Blue_TopMid     0x2BF
+#define METATILE_BikeShop_Barrier_Blue_BottomMid  0x2C7
+#define METATILE_BikeShop_Barrier_Blue_Bottom     0x2CF
+#define METATILE_BikeShop_Generator_Off_Tile0     0x2F0
+#define METATILE_BikeShop_Generator_Off_Tile1     0x2F1
+#define METATILE_BikeShop_Generator_Off_Tile2     0x2F2
+#define METATILE_BikeShop_Generator_Off_Tile3     0x2F3
+#define METATILE_BikeShop_Generator_Off_Tile4     0x2F4
+#define METATILE_BikeShop_Generator_Off_Tile5     0x2F5
+#define METATILE_BikeShop_Generator_Off_Tile6     0x2F6
+#define METATILE_BikeShop_Generator_Off_Tile7     0x2F7
+
+// gTileset_PetalburgGym
+#define METATILE_PetalburgGym_RoomEntrance_Left  0x210
+#define METATILE_PetalburgGym_RoomEntrance_Right 0x211
+#define METATILE_PetalburgGym_SlidingDoor_Frame0 0x218
+#define METATILE_PetalburgGym_SlidingDoor_Frame1 0x219
+#define METATILE_PetalburgGym_SlidingDoor_Frame2 0x21A
+#define METATILE_PetalburgGym_SlidingDoor_Frame3 0x21B
+#define METATILE_PetalburgGym_SlidingDoor_Frame4 0x21C
+
+// gTileset_Sootopolis
+#define METATILE_Sootopolis_Door_Closed    0x248
+#define METATILE_Sootopolis_GymDoor_Closed 0x250
+#define METATILE_Sootopolis_RoughWater     0x290
+
+// gTileset_SootopolisGym
+#define METATILE_SootopolisGym_Ice_Cracked 0x20E
+#define METATILE_SootopolisGym_Ice_Broken  0x206
+#define METATILE_SootopolisGym_Stairs      0x207
+
+// gTileset_Underwater
+#define METATILE_Underwater_RockWall    0x21E
+#define METATILE_Underwater_FloorShadow 0x228
+
+// gTileset_PokemonCenter
+#define METATILE_PokemonCenter_Floor_Plain_Alt         0x202
+#define METATILE_PokemonCenter_CounterBarrier          0x25D
+#define METATILE_PokemonCenter_Escalator1F_Tile0_Frame0 0x280
+#define METATILE_PokemonCenter_Escalator1F_Tile0_Frame1 0x282
+#define METATILE_PokemonCenter_Escalator1F_Tile0_Frame2 0x284
+#define METATILE_PokemonCenter_Escalator1F_Tile1_Frame0 0x281
+#define METATILE_PokemonCenter_Escalator1F_Tile1_Frame1 0x283
+#define METATILE_PokemonCenter_Escalator1F_Tile1_Frame2 0x285
+#define METATILE_PokemonCenter_Escalator1F_Tile2_Frame0 0x288
+#define METATILE_PokemonCenter_Escalator1F_Tile2_Frame1 0x28A
+#define METATILE_PokemonCenter_Escalator1F_Tile2_Frame2 0x28C
+#define METATILE_PokemonCenter_Escalator1F_Tile3_Frame0 0x289
+#define METATILE_PokemonCenter_Escalator1F_Tile3_Frame1 0x28B
+#define METATILE_PokemonCenter_Escalator1F_Tile3_Frame2 0x28D
+#define METATILE_PokemonCenter_Escalator2F_Tile0_Frame0 0x2A0
+#define METATILE_PokemonCenter_Escalator2F_Tile0_Frame1 0x2A2
+#define METATILE_PokemonCenter_Escalator2F_Tile0_Frame2 0x2A4
+#define METATILE_PokemonCenter_Escalator2F_Tile1_Frame0 0x2A1
+#define METATILE_PokemonCenter_Escalator2F_Tile1_Frame1 0x2A3
+#define METATILE_PokemonCenter_Escalator2F_Tile1_Frame2 0x2A5
+#define METATILE_PokemonCenter_Escalator2F_Tile2_Frame0 0x2A8
+#define METATILE_PokemonCenter_Escalator2F_Tile2_Frame1 0x2AA
+#define METATILE_PokemonCenter_Escalator2F_Tile2_Frame2 0x2AC
+
+#endif // GUARD_METATILE_LABELS_H
diff --git a/include/global.fieldmap.h b/include/global.fieldmap.h
index 81f805ee2..27b2b5593 100644
--- a/include/global.fieldmap.h
+++ b/include/global.fieldmap.h
@@ -1,6 +1,21 @@
 #ifndef GUARD_GLOBAL_FIELDMAP_H
 #define GUARD_GLOBAL_FIELDMAP_H
 
+#define COLLISION_DIR_SOUTH 0
+#define COLLISION_DIR_NORTH 1
+#define COLLISION_DIR_WEST  2
+#define COLLISION_DIR_EAST  3
+#define COLLISION_DIR_ALL  (COLLISION_DIR_NORTH | COLLISION_DIR_SOUTH | COLLISION_DIR_EAST | COLLISION_DIR_WEST)
+
+#define METATILE_COLLISION_MASK  0x0C00
+#define METATILE_ID_MASK         0x03FF
+#define METATILE_ID_UNDEFINED    0x03FF
+#define METATILE_ELEVATION_SHIFT 0x000C
+#define METATILE_COLLISION_SHIFT 0x000A
+#define METATILE_ELEVATION_MASK  0xF000
+
+#define METATILE_ID(tileset, name) (METATILE_##tileset##_##name)
+
 enum
 {
     CONNECTION_SOUTH = 1,