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-rw-r--r--lib/core/util.lua86
1 files changed, 0 insertions, 86 deletions
diff --git a/lib/core/util.lua b/lib/core/util.lua
index 5128dfbe..eea13014 100644
--- a/lib/core/util.lua
+++ b/lib/core/util.lua
@@ -71,92 +71,6 @@ function msg_print(c, m)
end
end
--- Returns the direction of the compass that y2, x2 is from y, x
--- the return value will be one of the following: north, south,
--- east, west, north-east, south-east, south-west, north-west,
--- or "close" if it is within 2 tiles.
-function compass(y, x, y2, x2)
- local y_axis, x_axis, y_diff, x_diff, compass_dir
-
- -- is it close to the north/south meridian?
- y_diff = y2 - y
-
- -- determine if y2, x2 is to the north or south of y, x
- if (y_diff > -3) and (y_diff < 3) then
- y_axis = nil
- elseif y2 > y then
- y_axis = "south"
- else
- y_axis = "north"
- end
-
- -- is it close to the east/west meridian?
- x_diff = x2 - x
-
- -- determine if y2, x2 is to the east or west of y, x
- if (x_diff > -3) and (x_diff < 3) then
- x_axis = nil
- elseif x2 > x then
- x_axis = "east"
- else
- x_axis = "west"
- end
-
- -- Maybe it is very close
- if ((not x_axis) and (not y_axis)) then compass_dir = "close"
- -- Maybe it is (almost) due N/S
- elseif not x_axis then compass_dir = y_axis
- -- Maybe it is (almost) due E/W
- elseif not y_axis then compass_dir = x_axis
- -- or if it is neither
- else compass_dir = y_axis.."-"..x_axis
- end
-
- return compass_dir
-end
-
--- Returns a relative approximation of the 'distance' of y2, x2 from y, x.
-function approximate_distance(y, x, y2, x2)
- local y_diff, x_diff, most_dist
-
- -- how far to away to the north/south
- y_diff = y2 - y
-
- -- make sure it's a positive integer
- if y_diff < 0 then
- y_diff = 0 - y_diff
- end
-
- -- how far to away to the east/west
- x_diff = x2 - x
-
- -- make sure it's a positive integer
- if x_diff < 0 then
- x_diff = 0 - x_diff
- end
-
- -- find which one is the larger distance
- if x_diff > y_diff then
- most_dist = x_diff
- else
- most_dist = y_diff
- end
-
- -- how far away then?
- if most_dist >= 41 then
- how_far = "a very long way"
- elseif most_dist >= 25 then
- how_far = "a long way"
- elseif most_dist >= 8 then
- how_far = "quite some way"
- else
- how_far = "not very far"
- end
-
- return how_far
-
-end
-
-- better timer add function
__timers_callback_max = 0