Replaced some of the hardcoded values with constants (map)

- Replaced several hardcoded values with the appropriate enums.
- Added documentation for some hardcoded values that haven't been
  replaced by enums (yet)
- Minor code legibility improvements.

Signed-off-by: Haru <haru@dotalux.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/src/map/unit.h b/src/map/unit.h
index 881fa16f4..d434d52e4 100644
--- a/src/map/unit.h
+++ b/src/map/unit.h
@@ -13,6 +13,19 @@
 struct map_session_data;
 struct block_list;
 
+/**
+ * Bitmask values usable as a flag in unit_stopwalking
+ */
+enum unit_stopwalking_flag {
+	STOPWALKING_FLAG_NONE     = 0x00,
+	STOPWALKING_FLAG_FIXPOS   = 0x01, ///< Issue a fixpos packet afterwards
+	STOPWALKING_FLAG_ONESTEP  = 0x02, ///< Force the unit to move one cell if it hasn't yet
+	STOPWALKING_FLAG_NEXTCELL = 0x04, ///< Enable moving to the next cell when unit was already half-way there
+	                                  ///  (may cause on-touch/place side-effects, such as a scripted map change)
+	STOPWALKING_FLAG_MASK     = 0xff, ///< Mask all of the above
+	// Note: Upper bytes are reserved for duration.
+};
+
 struct unit_data {
 	struct block_list *bl;
 	struct walkpath_data walkpath;