0ct0pu5/wesnoth
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Lua random map generator: fix off-by-one error in flip transforms

Browse source 
Among other things, this gave HttT S17 (Sceptre of Fire) a 50% chance
of crashing at scenario start.
This commit is contained in:
mattsc 2018-05-12 18:38:35 -07:00
parent 1b1762cdf2
commit 7d0d9e19a5
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
data/lua/mapgen_helper.lua
View file

@ -55,7 +55,7 @@ function map_mt.__index.flip_x(map)
for y = 0, map.h - 1 do
for x = 0, map.w - 1 do
local i = loc_to_index(map, x, y)
local j = loc_to_index(map, map.w - x, y)
local j = loc_to_index(map, map.w - x - 1, y)
map[i], map[j] = map[j], map[i]
end
end
@ -65,7 +65,7 @@ function map_mt.__index.flip_y(map)
for x = 0, map.w - 1 do
for y = 0, map.h - 1 do
local i = loc_to_index(map, x, y)
local j = loc_to_index(map, x, map.h - y)
local j = loc_to_index(map, x, map.h - y - 1)
map[i], map[j] = map[j], map[i]
end
end