warn-creatures.lua

warn-creatures.lua

-- Pauses the game with a warning when a new creature enters the map.

oldUnits = oldUnits or {}

local units = df.global.world.units.active
local repeatUtil = require 'repeat-util'

local function findRaceCaste(unit)
	local rraw = df.creature_raw.find(unit.race)
	return rraw, safe_index(rraw, 'caste', unit.caste)
end

-- todo: check wildanimals in ShowUnitSyndromes.rb.
local function isWild(u)
	if u.civ_id ~= -1 then return false end
	if u.animal.population.region_x == -1 then return false end
	--if u.flags2.visitor ~= 0 then return false end
	return true
end

local function doCheck()
	for i=#units-1,0,-1 do
		local unit = units[i]
		local rraw = findRaceCaste(unit)
		if rraw and isWild(unit) and not unit.flags1.dead and not oldUnits[unit.id] then
			local msg = "wild "..rraw.name[0].." appeared! ("..unit.id..")"
			print(msg)
			dfhack.gui.showPopupAnnouncement(msg, 7, true)
			oldUnits[unit.id] = true
			df.global.pause_state = true
		end
	end
end

doCheck()

repeatUtil.scheduleEvery('warn-creatures',100,'ticks',doCheck)
print("warn-creatures timer enabled.")