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-- [Mantis 591] Test to check that monsters don't vacillate between two
-- squares when trying to reach the player but blocked by plants.
local map = "monster_plant_pathfind"
local FAILMAP = map .. ".map"
debug.flush_map_memory()
debug.goto_place("D:2")
dgn.reset_level()
assert(dgn.place_map(dgn.map_by_name(map), true, true),
"Could not place " .. map)
local stair = test.find_feature('stone_stairs_up_i')
assert(stair, "Could not find stairs up")
you.moveto(stair.x, stair.y)
local you_x, you_y = you.pos()
assert(you_x == stair.x and you_y == stair.y,
"Could not move player " .. dgn.point(you_x, you_y) ..
" to stair " .. stair)
local monster = test.find_monsters("hippogriff")[1]
local function monster_pos()
local p = dgn.point(monster.x, monster.y)
-- Monster position is relative to the player position:
p = p + stair
return p
end
debug.los_changed()
assert(you.see_cell(monster_pos().x, monster_pos().y),
"Player at " .. stair .. " cannot see monster at "
.. monster_pos())
assert(you.see_cell(you_x + 1, you_y),
"Player at " .. stair .. " cannot see cell at "
.. (stair + dgn.point(1, 0)))
-- Assert if the monster moves back and forth between positions
local function check_monster_moves_repeat(monster, nmoves)
local visited_points = { }
local function note_position(p)
local key = p.y * dgn.GXM + p.x
local visits = visited_points[key] or 0
visits = visits + 1
visited_points[key] = visits
debug.dump_map(FAILMAP)
assert(visits < 2,
"Monster revisited " .. p .. "; dumped map to " .. FAILMAP)
end
local oldpos = nil
for i = 1, nmoves do
local p = monster_pos()
crawl.message("Monster " .. monster.name .. " at " .. p)
if p ~= oldpos then
note_position(p)
end
oldpos = p
-- Wake up the monster and kick it into seek (hopefully).
debug.seen_monsters_react()
-- Draw the view to give the user something to look at.
debug.viewwindow(true)
monster.add_energy(10)
assert(monster.beh == "seek",
"Monster " .. monster.name .. " is not in seek mode")
monster.run_ai()
end
end
check_monster_moves_repeat(monster, 6)
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