1 files changed, 61 insertions, 0 deletions
diff --git a/include/map.h b/include/map.h
new file mode 100644
index 0000000..d3d1ed9
--- /dev/null
+++ b/include/map.h
@@ -0,0 +1,61 @@
+#ifndef GUARD_MAP_H
+#define GUARD_MAP_H
+
+#include "dungeon_entity.h"
+
+#define MAX_ROOM_COUNT 24 // Empirical max, not sure if the code supports any more.
+
+struct MapTile
+{
+    /* 0x0 */ u8 tileFlags;
+    /* 0x1 */ bool8 stairs;
+    u8 fill2[0x9 - 0x2];
+    /* 0x9 */ u8 roomIndex;
+    // Bitwise flags for whether Pokémon can move to an adjacent tile. Bits correspond to directions in direction.h.
+    // Different sets of flags are used for Pokémon that can cross special terrain.
+    /* 0xA */ u8 canMoveAdjacent;
+    /* 0xB */ u8 canMoveAdjacentLiquid;
+    /* 0xC */ u8 canMoveAdjacentCrevice;
+    /* 0xD */ u8 canMoveAdjacentWall;
+    u8 fillE[0x10 - 0xE];
+    /* 0x10 */ struct DungeonEntity *pokemon; // Pokémon on the tile.
+    /* 0x14 */ struct DungeonEntity *mapObject; // Item or trap on the tile.
+};
+
+struct MapRoom
+{
+    u8 fill0[0x2 - 0x0];
+    // All coordinates are inclusive.
+    /* 0x2 */ s16 startX;
+    /* 0x4 */ s16 startY;
+    /* 0x6 */ s16 endX;
+    /* 0x8 */ s16 endY;
+    u8 fillA[0x1C - 0xA];
+};
+
+struct RoomExit
+{
+    s16 x;
+    s16 y;
+};
+
+enum TileFlag
+{
+    TILE_TYPE_FLOOR = 1 << 0,
+    TILE_TYPE_LIQUID = 1 << 2, // Water or lava depending on the dungeon.
+    TILE_TYPE_ROOM_EXIT = 1 << 3,
+    TILE_TYPE_MAP_EDGE = 1 << 4,
+    TILE_TYPE_SHOP = 1 << 5,
+    TILE_TYPE_MONSTER_HOUSE = 1 << 6,
+    TILE_TYPE_STAIRS = 1 << 9
+};
+
+enum CrossableTerrain
+{
+    CROSSABLE_TERRAIN_REGULAR = 0,
+    CROSSABLE_TERRAIN_LIQUID = 1,
+    CROSSABLE_TERRAIN_CREVICE = 2,
+    CROSSABLE_TERRAIN_WALL = 3,
+};
+
+#endif