1 files changed, 104 insertions, 0 deletions
diff --git a/constants/map_data_constants.asm b/constants/map_data_constants.asm
new file mode 100644
index 00000000..5098e28d
--- /dev/null
+++ b/constants/map_data_constants.asm
@@ -0,0 +1,104 @@
+GROUP_N_A  EQU -1
+MAP_N_A    EQU -1
+GROUP_NONE EQU 0
+MAP_NONE   EQU 0
+
+; map struct members (see data/maps/maps.asm)
+	const_def
+	const MAP_MAPATTRIBUTES_BANK ; 0
+	const MAP_TILESET            ; 1
+	const MAP_ENVIRONMENT        ; 2
+	const MAP_MAPATTRIBUTES      ; 3
+	const MAP_MAPATTRIBUTES_HI   ; 4
+	const MAP_LOCATION           ; 5
+	const MAP_MUSIC              ; 6
+	const MAP_PALETTE            ; 7
+	const MAP_FISHGROUP          ; 8
+
+; map environments (wEnvironment)
+	const_def 1
+	const TOWN
+	const ROUTE
+	const INDOOR
+	const CAVE
+	const ENVIRONMENT_5
+	const GATE
+	const DUNGEON
+
+; map palettes (wEnvironment)
+	const_def
+	const PALETTE_AUTO
+	const PALETTE_DAY
+	const PALETTE_NITE
+	const PALETTE_MORN
+	const PALETTE_DARK
+
+; FishGroups indexes (see data/wild/fish.asm)
+	const_def
+	const FISHGROUP_NONE
+	const FISHGROUP_SHORE
+	const FISHGROUP_OCEAN
+	const FISHGROUP_LAKE
+	const FISHGROUP_POND
+	const FISHGROUP_DRATINI
+	const FISHGROUP_QWILFISH_SWARM
+	const FISHGROUP_REMORAID_SWARM
+	const FISHGROUP_GYARADOS
+	const FISHGROUP_DRATINI_2
+	const FISHGROUP_WHIRL_ISLANDS
+	const FISHGROUP_QWILFISH
+	const FISHGROUP_REMORAID
+	const FISHGROUP_QWILFISH_NO_SWARM
+
+; connection directions (see data/maps/data.asm)
+	const_def
+	const EAST_F
+	const WEST_F
+	const SOUTH_F
+	const NORTH_F
+
+; wMapConnections
+	const_def
+	shift_const EAST
+	shift_const WEST
+	shift_const SOUTH
+	shift_const NORTH
+
+; SpawnPoints indexes (see data/maps/spawn_points.asm)
+const_value = -1
+	const SPAWN_N_A
+	const SPAWN_HOME
+	const SPAWN_DEBUG
+; kanto
+	const SPAWN_PALLET
+	const SPAWN_VIRIDIAN
+	const SPAWN_PEWTER
+	const SPAWN_CERULEAN
+	const SPAWN_ROCK_TUNNEL
+	const SPAWN_VERMILION
+	const SPAWN_LAVENDER
+	const SPAWN_SAFFRON
+	const SPAWN_CELADON
+	const SPAWN_FUCHSIA
+	const SPAWN_CINNABAR
+	const SPAWN_INDIGO
+; johto
+	const SPAWN_NEW_BARK
+	const SPAWN_CHERRYGROVE
+	const SPAWN_VIOLET
+	const SPAWN_UNION_CAVE
+	const SPAWN_AZALEA
+	const SPAWN_CIANWOOD
+	const SPAWN_GOLDENROD
+	const SPAWN_OLIVINE
+	const SPAWN_ECRUTEAK
+	const SPAWN_MAHOGANY
+	const SPAWN_LAKE_OF_RAGE
+	const SPAWN_BLACKTHORN
+	const SPAWN_MT_SILVER
+	const SPAWN_FAST_SHIP
+NUM_SPAWNS EQU const_value
+
+; outdoor sprite limits (see engine/overworld/overworld.asm)
+MAX_OUTDOOR_SPRITES EQU 23
+SPRITE_GFX_LIST_CAPACITY EQU $20