forked from github/server
83 lines
2.2 KiB
Lua
83 lines
2.2 KiB
Lua
-- Weltentor portal module
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local tunnels = {}
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local buildings = {}
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local targets = {}
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local function tunnel_travelers(b)
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local units = nil
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for u in b.units do
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if units==nil then
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units = {}
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end
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units[u] = u
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end
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return units
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end
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local function get_target(param)
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local ntargets = #targets
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if ntargets == 0 then
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eressea.log.error("Zero tunnel targets for [" .. param .. "]")
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return nil
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end
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local rn = math.fmod(rng_int(), ntargets)
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local t = targets[rn + 1]
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if not t then
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eressea.log.error("NULL target for [" .. param .. "]" .. " at index " .. rn)
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end
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return t
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end
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local function tunnel_action(b, param)
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local units = tunnel_travelers(b)
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local rto = get_target(param)
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eressea.log.info("Tunnel from " .. tostring(b) .. " [" .. param .. "]")
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if rto and units then
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for _, u in pairs(units) do
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u.region = rto
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eressea.log.info("teleported " .. tostring(u) .. " to " .. tostring(rto))
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end
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elseif not units then
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eressea.log.info("No units in tunnel " .. tostring(b) .. " [" .. param .. "]")
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elseif not rto then
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eressea.log.error("No target for tunnel " .. tostring(b) .. " [" .. param .. "]")
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end
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-- debug code to find bugs:
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for u in b.region.units do
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if u.building == b then
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eressea.log.error("Did not teleport " .. tostring(u) .. " from tunnel " .. tostring(b))
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end
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end
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end
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function tunnels.init()
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local r, b
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for r in regions() do
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if r:get_key('tnnL') then
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table.insert(targets, r)
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if (r:get_flag(0)) then
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-- target region is chaotic? nope.
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r:set_flag(0, false)
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end
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if (r.terrain=="ocean") then
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eressea.log.warning("tunnel target at " .. r.x .. "," .. r.y .. " is an ocean, terraforming")
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r = region.create(r.x, r.y, "plain")
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end
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end
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for b in r.buildings do
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if b.type == 'portal' then
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table.insert(buildings, b)
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end
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end
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end
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eressea.log.info("Found " .. #targets .. " tunnel targets")
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end
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function tunnels.update()
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for i, b in ipairs(buildings) do
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tunnel_action(b, 'tnnL')
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end
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end
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return tunnels
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