Add Hex map capabilities.

[plomrogue2-experiments] / new2 / plomrogue / mapping.py

diff --git a/new2/plomrogue/mapping.py b/new2/plomrogue/mapping.py
index f056e105ca57a11d59b45d8451bada77211ef703..e0a59d8e225f56af79b0b516bb7f6e366de164a4 100644 (file)
--- a/new2/plomrogue/mapping.py
+++ b/new2/plomrogue/mapping.py
@@ -64,6 +64,38 @@ class MapGeometrySquare(MapGeometryWithLeftRightMoves):
 
 
 
+class MapGeometryHex(MapGeometryWithLeftRightMoves):
+
+    def move_UPLEFT(self, start_pos):
+        start_indented = start_pos.y % 2
+        if start_indented:
+            return YX(start_pos.y - 1, start_pos.x)
+        else:
+            return YX(start_pos.y - 1, start_pos.x - 1)
+
+    def move_UPRIGHT(self, start_pos):
+        start_indented = start_pos.y % 2
+        if start_indented:
+            return YX(start_pos.y - 1, start_pos.x + 1)
+        else:
+            return YX(start_pos.y - 1, start_pos.x)
+
+    def move_DOWNLEFT(self, start_pos):
+        start_indented = start_pos.y % 2
+        if start_indented:
+            return YX(start_pos.y + 1, start_pos.x)
+        else:
+            return YX(start_pos.y + 1, start_pos.x - 1)
+
+    def move_DOWNRIGHT(self, start_pos):
+        start_indented = start_pos.y % 2
+        if start_indented:
+            return YX(start_pos.y + 1, start_pos.x + 1)
+        else:
+            return YX(start_pos.y + 1, start_pos.x)
+
+
+
 class Map():
 
     def __init__(self, map_size):