--[[ Copyright (c) 2010 Peter "Corsix" Cawley



Permission is hereby granted, free of charge, to any person obtaining a copy of

this software and associated documentation files (the "Software"), to deal in

the Software without restriction, including without limitation the rights to

use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies

of the Software, and to permit persons to whom the Software is furnished to do

so, subject to the following conditions:



The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.



THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

SOFTWARE. --]]



local room = {}

room.id = "operating_theatre"

room.level_config_id = 30

room.class = "OperatingTheatreRoom"

room.name = _S.rooms_short.operating_theatre

room.tooltip = _S.tooltip.rooms.operating_theatre

room.build_cost = 8000

room.objects_additional = { "extinguisher", "radiator", "plant", "bin" }

room.objects_needed = {

  operating_table = 1,

  surgeon_screen = 1,

  op_sink1 = 1,

  x_ray_viewer = 1

}

room.build_preview_animation = 5080

room.categories = {

  treatment = 3,

}

room.minimum_size = 6

room.wall_type = "white"

room.floor_tile = 21

room.swing_doors = true

room.required_staff = {

  Surgeon = 2,

}

room.call_sound = "reqd010.wav" -- TODO: There is also an unused sound

-- "Another surgeon needed [...]", reqd011.wav

-- room.handyman_call_sound = "maint007.wav" TODO: No sound for this room?



class "OperatingTheatreRoom" (Room)



function OperatingTheatreRoom:OperatingTheatreRoom(...)

  self:Room(...)

  self.staff_member_set = {}

end



function OperatingTheatreRoom:roomFinished()

  -- Find the X-ray viewer

  local fx, fy = self:getEntranceXY(true)

  local objects = self.world:findAllObjectsNear(fx, fy, 2^30)

  for object in pairs(objects) do

    local id = object.object_type.id

    if id == "x_ray_viewer" then

      self[id] = object

    end

  end

  

  return Room.roomFinished(self)

end



local function wait_for_object(humanoid, obj, must_happen)

  return {

    name = "idle",

    must_happen = must_happen,

    loop_callback = --[[persistable:operatring_theatre_wait]] function(action)

      if action.todo_interrupt or not obj.user then

        humanoid:finishAction(action)

      else

        humanoid:queueAction({

          name = "idle",

          count = 5,

          must_happen = must_happen,

        }, 0)

      end

    end,

  }

end



function OperatingTheatreRoom:commandEnteringStaff(staff)

  self.staff_member_set[staff] = true

  

  -- Put surgeon outfit on 

  local obj, ox, oy = self.world:findObjectNear(staff, "surgeon_screen")

  staff:walkTo(ox, oy)

  staff:queueAction(wait_for_object(staff, obj))

  staff:queueAction{

    name = "use_screen",

    object = obj,

    after_use = --[[persistable:operatring_theatre_after_surgeon_clothes_on]] function()

      self.staff_member_set[staff] = "ready"

      self:tryAdvanceQueue()

    end,

  }

  

  -- Wait around for patients

  local meander = {name = "meander", must_happen = true}

  staff:queueAction(meander)

  

  -- Ensure that surgeons turn back into doctors when they leave

  staff:queueAction{

    name = "walk",

    x = ox,

    y = oy,

    must_happen = true,

    truncate_only_on_high_priority = true,

    is_leaving = true,

  }

  staff:queueAction{name = "use_screen", object = obj, must_happen = true, is_leaving = true}

  

  return Room.commandEnteringStaff(self, staff)

end



function OperatingTheatreRoom:commandEnteringPatient(patient)

  -- Turn on x-ray viewer

  self.x_ray_viewer:setLayer(11, 2)

  

  -- Identify the staff

  local surgeon1 = next(self.staff_member_set)

  local surgeon2 = next(self.staff_member_set, surgeon1)

  assert(surgeon1 and surgeon2, "Not enough staff in operating theatre")

  

  -- Patient changes into surgical gown

  local screen, sx, sy = self.world:findObjectNear(patient, "surgeon_screen")

  patient:walkTo(sx, sy)

  patient:queueAction{name = "use_screen", object = screen}

  

  -- Meanwhile, surgeons wash their hands

  local obj, ox, oy = self.world:findObjectNear(surgeon1, "op_sink1")

  surgeon1:queueAction({name = "walk", x = ox, y = oy, must_happen = true, no_truncate = true}, 1)

  surgeon2:queueAction({name = "walk", x = ox, y = oy, must_happen = true, no_truncate = true}, 1)

  surgeon1:queueAction(wait_for_object(surgeon1, obj, true), 2)

  surgeon1:queueAction({name = "use_object", object = obj, must_happen = true}, 3)

  surgeon2:queueAction(wait_for_object(surgeon2, obj, true), 2)

  surgeon2:queueAction({name = "use_object", object = obj, must_happen = true}, 3)

  

  -- Syncronisation logic

  local num_ready = {0}

  local --[[persistable:operatring_theatre_wait_for_ready]] function wait_for_ready(action)

    action.on_interrupt = nil

    if not action.done_ready then

      num_ready[1] = num_ready[1] + 1

      action.done_ready = true

    end

    if num_ready[1] == 3 then

      surgeon1:finishAction()

      surgeon2:finishAction()

    end

  end



  -- Patient and first surgeon walk over to the operating table

  obj, ox, oy = self.world:findObjectNear(surgeon1, "operating_table")

  surgeon1:queueAction({name = "walk", x = ox, y = oy, must_happen = true, no_truncate = true}, 4)

  surgeon1:queueAction({name = "idle", loop_callback = wait_for_ready, must_happen = true}, 5)

  local multi_use = {

    name = "multi_use_object",

    object = obj,

    use_with = patient,

    prolonged_usage = true,

    loop_callback = --[[persistable:operatring_theatre_multi_use_callback]] function(action)

      -- dirty hack to make the truncated animation work

      surgeon1.animation_idx = nil

    end,

    after_use = --[[persistable:operatring_theatre_after_multi_use]] function()

      self:dealtWithPatient(patient)

      patient:finishAction()

    end,

    must_happen = true,

    no_truncate = true,

  }

  surgeon1:queueAction(multi_use, 6)

  ox, oy = obj:getSecondaryUsageTile()

  patient:queueAction{name = "walk", x = ox, y = oy, must_happen = true, no_truncate = true}

  patient:queueAction{name = "idle", loop_callback = wait_for_ready, must_happen = true}

  

  -- Meanwhile, second surgeon walks over to other side of operating table

  obj, ox, oy = self.world:findObjectNear(surgeon1, "operating_table_b")

  surgeon2:queueAction({name = "walk", x = ox, y = oy, must_happen = true, no_truncate = true}, 4)

  surgeon2:queueAction({name = "idle", loop_callback = wait_for_ready, must_happen = true}, 5)

  local num_loops = math.random(2, 5)

  surgeon2:queueAction({

    name = "use_object",

    object = obj,

    loop_callback = --[[persistable:operatring_theatre_use_callback]] function(action)

      num_loops = num_loops - 1

      if num_loops <= 0 then

        action.prolonged_usage = false

      end

    end,

    after_use = --[[persistable:operatring_theatre_after_use]] function()

      multi_use.prolonged_usage = false

    end,

    must_happen = true,

  }, 6)

  

  -- Patient changes out of the gown

  patient:queueAction{name = "walk", x = sx, y = sy, must_happen = true, no_truncate = true}

  patient:queueAction{name = "use_screen", object = screen, must_happen = true}

  

  return Room.commandEnteringPatient(self, patient)

end



function OperatingTheatreRoom:onHumanoidLeave(humanoid)

  self.staff_member_set[humanoid] = nil

  -- Turn off x-ray viewer

  if class.is(humanoid, Patient) then

    self.x_ray_viewer:setLayer(11, 0)

  end

  return Room.onHumanoidLeave(self, humanoid)

end



function OperatingTheatreRoom:canHumanoidEnter(humanoid)

  local can = Room.canHumanoidEnter(self, humanoid)

  if can and class.is(humanoid, Patient) then

    -- Patients can only enter once all doctors are in surgeon clothes

    for staff, is_ready in pairs(self.staff_member_set) do

      if staff.humanoid_class == "Doctor" or is_ready ~= "ready" then

        return false

      end

    end

  end

  return can

end



return room