decompile dungeon_generation

include/dungeon_generation.h

@@ -15,4 +15,15 @@ enum FloorType {
 	FLOOR_TYPE_RESCUE, // Rescuing another player
 };
 
+// Helper type used to make explicit the possible secondary structures which can be randomly rolled to generate in the dungeon algorithm.
+enum SecondaryStructureType {
+    SECONDARY_STRUCTURE_NONE, // No secondary structure will be generated.
+    SECONDARY_STRUCTURE_MAZE_PLUS_DOT, // One of 3 secondary structures depending on the dimensions of the room. If the room has odd dimensions, the result is a maze room. Otherwise, if the room has dimensions of at least `5x5`, a cross or plus pattern is made instead. If both fail, a single tile of secondary terrain will be placed in the center of the room.
+    SECONDARY_STRUCTURE_CHECKERBOARD, // If the room has odd dimensions, a checkerboard pattern made of randomly placed diagonal stripes of secondary terrain will be generated. If not, no secondary structure will be generated.
+    SECONDARY_STRUCTURE_POOL, // If the room has dimensions of at least `5x5`, a rectangular pool of secondary terrain will be generated. If not, no secondary structure will be generated.
+    SECONDARY_STRUCTURE_ISLAND, // If the room has dimensions of at least `6x6`, an island of items and a warp tile surrounded by secondary terrain will be generated. If not, no secondary structure will be generated.
+    SECONDARY_STRUCTURE_DIVIDER, // A "divider" of secondary terrain will split the room in half randomly either horizontally or vertically.
+};
+
+
 #endif

include/structs/map.h

@@ -18,6 +18,7 @@ enum TerrainType
     TERRAIN_TYPE_IMPASSABLE_WALL = 1 << 4, // x10
     TERRAIN_TYPE_SHOP = 1 << 5, // x20
     TERRAIN_TYPE_IN_MONSTER_HOUSE = 1 << 6, // x40
+    TERRAIN_TYPE_UNK_7 = 1 << 7, // x80
     TERRAIN_TYPE_UNK_8 = 1 << 8, // x100
     TERRAIN_TYPE_STAIRS = 1 << 9, // x200
     TERRAIN_TYPE_UNK_x400 = 1 << 10,