# Xom sends flaming sheep into four corners of the world.

{{
function callback.kb_xom_exploding_sheep(data, triggerable,
                                         triggerer, marker, ev)
  if dgn.persist.kb_xom_sheep_generated then return end
  dgn.persist.kb_xom_sheep_generated = true

  local x, y = marker:pos()

  crawl.mpr("Walls come down!")
  for p in iter.slave_iterator("feat_remove", 1) do
    dgn.terrain_changed(p.x, p.y, "floor", false, false, false)
  end

  -- The logic here is a bit obtuse; the idea is to get the
  -- "5 sheep come into view" message to display before anything
  -- else.
  local nsheep = 0
  local sheeparray = {}
  local visarray = {}
  local flee = mons.behaviour("flee")
  for p in iter.slave_iterator("sheep_place", 1) do
    local sheep = dgn.create_monster(p.x, p.y, 'generate_awake sheep')
    if sheep then
      nsheep = nsheep + 1
      sheeparray[nsheep] = sheep
      visarray[nsheep] = you.see_cell(p.x, p.y)
    end
  end
  view.update_monsters()
  for i = 1, nsheep do
    local sheep = sheeparray[i]
    sheep.add_ench("inner_flame", 1, 30000)
    sheep.add_ench("sticky_flame", 1, 30000)
    sheep.add_ench("fear", 1, 30000)
    sheep.beh = flee
    if visarray[i] then
      crawl.mpr("A sheep catches fire!", "warning")
      sheep.speak("sheep flee")
    end
  end
  crawl.god_speaks("Xom", "You hear mad divine giggling.")
end
}}


NAME:   kb_xom_exploding_sheep
TAGS:   transparent no_monster_gen no_item_gen temple_overflow_1
TAGS:   temple_overflow_xom uniq_altar_xom
DEPTH:  D:3-, Lair
WEIGHT: 2
KFEAT:  _ = altar_xom
{{
dgn.persist.kb_xom_sheep_generated = false
local tm = TriggerableFunction:new{func="callback.kb_xom_exploding_sheep",
                                   repeated = true}
tm:add_triggerer(DgnTriggerer:new{type="player_los"})
lua_marker('_', tm)
lua_marker('_', props_marker {sheep_place = 1})
lua_marker('H', props_marker {sheep_place = 1})
lua_marker('c', props_marker {feat_remove = 1})
lua_marker('+', props_marker {feat_remove = 1})
lua_marker('+', restrict_door())

if you.branch() == "D" then
  if you.absdepth() > 9 then
    tags('extra')
  end
else
  tags('extra')
end
}}
KPROP: H'_ = no_rtele_into
SUBST: ' = .
MAP
@.......@
.........
..ccccc..
..cH'Hc..
..c'_'c..
..cH'Hc..
..cc+cc..
.........
@.......@
ENDMAP