Fix dimension off-by-one error

arena.lua

@@ -123,7 +123,7 @@ function create_role(self)
 end
 
 function new(min, max, meta)
-    local obj = create_base(min, vector.subtract(max, 1))
+    local obj = create_base(min, max)
     if not obj then
         return obj
     end
@@ -160,7 +160,7 @@ function owner_info(self)
 end
 
 function info(self)
-    local dim = get_dim(self)
+    local dim = vector.add(get_dim(self), 1)
     return ('Arena #%s "%s" by %s from (%s, %s, %s) to (%s, %s, %s) - %s wide, %s tall and %s long'):format(
             self.id,
             self.meta.name,
@@ -178,7 +178,7 @@ function info(self)
 end
 
 function formspec_table_info(self)
-    local dim = get_dim(self)
+    local dim = vector.add(get_dim(self), 1)
     return table.concat(modlib.table.map({
         cellestial.colors.cell.fill,
         "#" .. self.id,
@@ -661,7 +661,6 @@ else
             new_data[index] = c_id
         end
         self.area = new_data
-        local min, max = self.min, self.max
         for index in iter_content(self) do
             local c_id = data[index]
             local amount = 0

chatcommands.lua

@@ -133,7 +133,7 @@ register_chatcommand(
                 dim[assign[name]] = new_dim
             end
             if arena:resize(dim) then
-                return true, "Arena resized to " .. dim.x .. ", " .. dim.y .. ", " .. dim.z
+                return true, "Arena resized to " .. (dim.x + 1) .. ", " .. (dim.y + 1) .. ", " .. (dim.z + 1)
             end
             return false, "Arena would collide with other arenas if resized"
         end,
@@ -490,7 +490,7 @@ function create_arena(sendername, params, nums)
     if arena.overlaps(min, max) then
         return false, "Selected area intersects with existing arenas"
     end
-    local arena = arena.new(min, max, { name = name, owners = owners })
+    local arena = arena.new(min, vector.subtract(max, 1), { name = name, owners = owners })
     arena:teleport(minetest.get_player_by_name(owners[1]))
     if arena then
         return true, "Arena created"