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-- check LOS according to pre-defined maps
local checks = 0
-- visible:
local rock_wall = dgn.find_feature_number("rock_wall")
local floor = dgn.find_feature_number("floor")
-- invisible (not needed):
local stone_wall = dgn.find_feature_number("stone_wall")
local water = dgn.find_feature_number("deep_water")
local function test_los_map(map)
crawl.mesclr()
-- choose random debug map; better choose all
dgn.tags(map, "no_rotate no_vmirror no_hmirror no_pool_fixup")
local name = dgn.name(map)
-- local width, height = dgn.mapsize(map) -- returns (0,0)
local function place_map()
return dgn.place_map(map, true, true)
end
dgn.with_map_anchors(30, 30, place_map)
you.moveto(30, 30)
you.losight()
crawl.redraw_view()
for x = 0, 9 do
for y = 0, 9 do
local xa = 30 + x
local ya = 30 + y
local p = dgn.point(x, y)
local should_see = ((x == 0 and y == 0) or
dgn.grid(xa, ya) == rock_wall or
dgn.grid(xa, ya) == floor)
local can_see = you.see_cell(xa, ya)
if can_see and (not should_see) then
assert(false, "los error in " .. name .."(iter #" .. checks ..
"): can see " .. p .. " but shouldn't.")
elseif (not can_see) and should_see then
assert(false, "los error in " .. name .. "(iter #" .. checks ..
"): should see " .. p .. " but can't.")
end
end
end
end
local function test_los_maps()
dgn.load_des_file("debug-los.des")
local map = dgn.map_by_tag("debug_los")
while map do
test_los_map(map)
checks = checks + 1
map = dgn.map_by_tag("debug_los")
end
end
test_los_maps()
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