353 lines
14 KiB
Lua
353 lines
14 KiB
Lua
if not TowBarMod then TowBarMod = {} end
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if not TowBarMod.Hook then TowBarMod.Hook = {} end
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local TowBarTowMass = 200
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local AutoReattachCooldownHours = 1 / 7200 -- 0.5 seconds
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TowBarMod.Hook.lastAutoReattachAtByVehicle = TowBarMod.Hook.lastAutoReattachAtByVehicle or {}
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local AutoReattachPlayerCooldownHours = 1 / 14400 -- 0.25 seconds
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TowBarMod.Hook.lastAutoReattachAtByPlayer = TowBarMod.Hook.lastAutoReattachAtByPlayer or {}
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local function isTowBarTowPair(towingVehicle, towedVehicle)
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if not towingVehicle or not towedVehicle then return false end
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local towingModData = towingVehicle:getModData()
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local towedModData = towedVehicle:getModData()
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if not towingModData or not towedModData then return false end
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if towingModData["isTowingByTowBar"] and towedModData["isTowingByTowBar"] and towedModData["towed"] then
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return true
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end
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-- Rejoin fallback: original towbar state on the towed vehicle is enough to reapply rigid spacing.
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if towedModData.towBarOriginalScriptName ~= nil then
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return true
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end
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return false
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end
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local function getTowBarItem(playerObj)
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if not playerObj then return nil end
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local inventory = playerObj:getInventory()
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if not inventory then return nil end
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return inventory:getItemFromTypeRecurse("TowBar.TowBar")
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end
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local function setTowBarModelVisible(vehicle, isVisible)
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if not vehicle then return end
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local part = vehicle:getPartById("towbar")
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if part == nil then return end
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for j = 0, 23 do
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part:setModelVisible("towbar" .. j, false)
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end
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if not isVisible then
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vehicle:doDamageOverlay()
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return
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end
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local script = vehicle:getScript()
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if not script then
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vehicle:doDamageOverlay()
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return
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end
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local scale = script:getModelScale()
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if scale >= 1.5 and scale <= 2 then
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local z = script:getPhysicsChassisShape():z()/2 - 0.1
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part:setModelVisible("towbar" .. math.floor((z*2/3 - 1)*10), true)
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end
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vehicle:doDamageOverlay()
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end
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function TowBarMod.Hook.setVehiclePostAttach(playerObj, towedVehicle)
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if not towedVehicle then return end
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local towedModData = towedVehicle:getModData()
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if towedModData and towedModData.towBarOriginalScriptName then
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towedVehicle:setScriptName(towedModData.towBarOriginalScriptName)
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end
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towedVehicle:setMass(TowBarTowMass)
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towedVehicle:setBrakingForce(0)
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towedVehicle:constraintChanged()
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towedVehicle:updateTotalMass()
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end
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function TowBarMod.Hook.performAttachTowBar(playerObj, towingVehicle, towedVehicle, attachmentA, attachmentB)
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if playerObj == nil or towingVehicle == nil or towedVehicle == nil then return end
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if #(TowBarMod.Utils.getHookTypeVariants(towingVehicle, towedVehicle, true)) == 0 then return end
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local towBarItem = getTowBarItem(playerObj)
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if towBarItem ~= nil then
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sendClientCommand(playerObj, "towbar", "consumeTowBar", { itemId = towBarItem:getID() })
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end
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playerObj:setPrimaryHandItem(nil)
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TowBarMod.Utils.updateAttachmentsForRigidTow(towingVehicle, towedVehicle, attachmentA, attachmentB)
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local towingModData = towingVehicle:getModData()
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local towedModData = towedVehicle:getModData()
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towedModData.towBarOriginalScriptName = towedVehicle:getScriptName()
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towedModData.towBarOriginalMass = towedVehicle:getMass()
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towedModData.towBarOriginalBrakingForce = towedVehicle:getBrakingForce()
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towingModData["isTowingByTowBar"] = true
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towedModData["isTowingByTowBar"] = true
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towedModData["towed"] = true
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towingVehicle:transmitModData()
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towedVehicle:transmitModData()
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setTowBarModelVisible(towedVehicle, true)
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-- Match the known-good rigid tow path: fake trailer + vanilla attach command.
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towedVehicle:setScriptName("notTowingA_Trailer")
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local args = {
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vehicleA = towingVehicle:getId(),
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vehicleB = towedVehicle:getId(),
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attachmentA = attachmentA,
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attachmentB = attachmentB
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}
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sendClientCommand(playerObj, "vehicle", "attachTrailer", args)
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ISTimedActionQueue.add(TowBarScheduleAction:new(playerObj, 10, TowBarMod.Hook.setVehiclePostAttach, towedVehicle))
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end
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function TowBarMod.Hook.performDetachTowBar(playerObj, towingVehicle, towedVehicle)
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if playerObj == nil or towingVehicle == nil or towedVehicle == nil then return end
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TowBarMod.Utils.updateAttachmentsOnDefaultValues(towingVehicle, towedVehicle)
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local args = { towingVehicle = towingVehicle:getId(), vehicle = towedVehicle:getId() }
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sendClientCommand(playerObj, "towbar", "detachTowBar", args)
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local towedModData = towedVehicle:getModData()
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if towedModData.towBarOriginalScriptName then
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towedVehicle:setScriptName(towedModData.towBarOriginalScriptName)
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end
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if towedModData.towBarOriginalMass ~= nil then
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towedVehicle:setMass(towedModData.towBarOriginalMass)
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end
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if towedModData.towBarOriginalBrakingForce ~= nil then
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towedVehicle:setBrakingForce(towedModData.towBarOriginalBrakingForce)
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end
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towedVehicle:constraintChanged()
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towedVehicle:updateTotalMass()
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sendClientCommand(playerObj, "towbar", "giveTowBar", { equipPrimary = true })
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local towingModData = towingVehicle:getModData()
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towingModData["isTowingByTowBar"] = false
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towedModData["isTowingByTowBar"] = false
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towedModData["towed"] = false
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towedModData.towBarOriginalScriptName = nil
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towedModData.towBarOriginalMass = nil
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towedModData.towBarOriginalBrakingForce = nil
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towingVehicle:transmitModData()
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towedVehicle:transmitModData()
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TowBarMod.Hook.lastAutoReattachAtByVehicle[towingVehicle:getId()] = nil
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setTowBarModelVisible(towedVehicle, false)
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end
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function TowBarMod.Hook.reattachTowBarFromDriverSeat(playerObj, towingVehicle)
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if not playerObj or not towingVehicle then return end
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if not towingVehicle:isDriver(playerObj) then return end
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local towedVehicle = towingVehicle:getVehicleTowing()
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if not towedVehicle then return end
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local towingModData = towingVehicle:getModData()
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local towedModData = towedVehicle:getModData()
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if not towingModData or not towedModData then return end
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if not isTowBarTowPair(towingVehicle, towedVehicle) then return end
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local attachmentA = towingVehicle:getTowAttachmentSelf() or "trailer"
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local attachmentB = towingVehicle:getTowAttachmentOther() or "trailerfront"
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if not towingVehicle:canAttachTrailer(towedVehicle, attachmentA, attachmentB) then
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if towingVehicle:canAttachTrailer(towedVehicle, "trailer", "trailerfront") then
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attachmentA = "trailer"
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attachmentB = "trailerfront"
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elseif towingVehicle:canAttachTrailer(towedVehicle, "trailerfront", "trailer") then
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attachmentA = "trailerfront"
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attachmentB = "trailer"
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end
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end
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TowBarMod.Utils.updateAttachmentsForRigidTow(towingVehicle, towedVehicle, attachmentA, attachmentB)
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towedModData.towBarOriginalScriptName = towedModData.towBarOriginalScriptName or towedVehicle:getScriptName()
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if towedModData.towBarOriginalMass == nil then
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towedModData.towBarOriginalMass = towedVehicle:getMass()
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end
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if towedModData.towBarOriginalBrakingForce == nil then
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towedModData.towBarOriginalBrakingForce = towedVehicle:getBrakingForce()
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end
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towingModData["isTowingByTowBar"] = true
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towedModData["isTowingByTowBar"] = true
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towedModData["towed"] = true
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towingVehicle:transmitModData()
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towedVehicle:transmitModData()
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setTowBarModelVisible(towedVehicle, true)
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towedVehicle:setScriptName("notTowingA_Trailer")
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local args = {
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vehicleA = towingVehicle:getId(),
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vehicleB = towedVehicle:getId(),
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attachmentA = attachmentA,
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attachmentB = attachmentB
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}
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sendClientCommand(playerObj, "vehicle", "attachTrailer", args)
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ISTimedActionQueue.add(TowBarScheduleAction:new(playerObj, 10, TowBarMod.Hook.setVehiclePostAttach, towedVehicle))
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end
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local function tryAutoReattachFromCharacter(character)
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if not character or not instanceof(character, "IsoPlayer") or not character:isLocalPlayer() then return end
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local playerObj = character
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local nowHours = getGameTime() and getGameTime():getWorldAgeHours() or 0
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local playerNum = playerObj:getPlayerNum()
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local lastPlayerHours = TowBarMod.Hook.lastAutoReattachAtByPlayer[playerNum]
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if lastPlayerHours and (nowHours - lastPlayerHours) < AutoReattachPlayerCooldownHours then
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return
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end
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local towingVehicle = playerObj:getVehicle()
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if not towingVehicle then return end
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if not towingVehicle:isDriver(playerObj) then return end
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local towedVehicle = towingVehicle:getVehicleTowing()
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if not towedVehicle then return end
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if not isTowBarTowPair(towingVehicle, towedVehicle) then return end
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local vehicleId = towingVehicle:getId()
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local lastHours = TowBarMod.Hook.lastAutoReattachAtByVehicle[vehicleId]
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if lastHours and (nowHours - lastHours) < AutoReattachCooldownHours then
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return
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end
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TowBarMod.Hook.lastAutoReattachAtByPlayer[playerNum] = nowHours
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TowBarMod.Hook.lastAutoReattachAtByVehicle[vehicleId] = nowHours
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TowBarMod.Hook.reattachTowBarFromDriverSeat(playerObj, towingVehicle)
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end
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function TowBarMod.Hook.OnEnterVehicle(character)
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tryAutoReattachFromCharacter(character)
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end
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function TowBarMod.Hook.OnSwitchVehicleSeat(character)
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tryAutoReattachFromCharacter(character)
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end
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function TowBarMod.Hook.attachByTowBarAction(playerObj, towingVehicle, towedVehicle)
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if playerObj == nil or towingVehicle == nil or towedVehicle == nil then return end
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local item = getTowBarItem(playerObj)
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if item == nil then return end
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if #(TowBarMod.Utils.getHookTypeVariants(towingVehicle, towedVehicle, true)) == 0 then return end
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local hookPoint = towedVehicle:getAttachmentWorldPos("trailerfront", TowBarMod.Utils.tempVector1)
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if hookPoint == nil then return end
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ISTimedActionQueue.add(TowBarCustomPathFind:pathToLocationF(playerObj, hookPoint:x(), hookPoint:y(), hookPoint:z()))
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if not playerObj:getInventory():contains("TowBar.TowBar") then
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ISTimedActionQueue.add(ISInventoryTransferAction:new(playerObj, item, item:getContainer(), playerObj:getInventory(), nil))
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end
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local storePrim = playerObj:getPrimaryHandItem()
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if storePrim == nil or storePrim ~= item then
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ISTimedActionQueue.add(ISEquipWeaponAction:new(playerObj, item, 12, true))
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end
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ISTimedActionQueue.add(TowBarHookVehicle:new(playerObj, 300, TowBarMod.Config.lowLevelAnimation))
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hookPoint = towingVehicle:getAttachmentWorldPos("trailer", TowBarMod.Utils.tempVector1)
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if hookPoint == nil then return end
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ISTimedActionQueue.add(TowBarCustomPathFind:pathToLocationF(playerObj, hookPoint:x(), hookPoint:y(), hookPoint:z()))
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ISTimedActionQueue.add(TowBarHookVehicle:new(
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playerObj,
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100,
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TowBarMod.Config.lowLevelAnimation,
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TowBarMod.Hook.performAttachTowBar,
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towingVehicle,
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towedVehicle,
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"trailer",
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"trailerfront"
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))
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end
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function TowBarMod.Hook.deattachTowBarAction(playerObj, vehicle)
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local towingVehicle = vehicle
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local towedVehicle = vehicle and vehicle:getVehicleTowing() or nil
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if vehicle and vehicle:getVehicleTowedBy() then
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towingVehicle = vehicle:getVehicleTowedBy()
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towedVehicle = vehicle
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end
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if towingVehicle == nil or towedVehicle == nil then return end
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local localPoint = towingVehicle:getAttachmentLocalPos(towingVehicle:getTowAttachmentSelf(), TowBarMod.Utils.tempVector1)
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local shift = 0
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if towingVehicle:getModData()["isChangedTowedAttachment"] then
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shift = localPoint:z() > 0 and -1 or 1
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end
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local hookPoint = towingVehicle:getWorldPos(localPoint:x(), localPoint:y(), localPoint:z() + shift, TowBarMod.Utils.tempVector2)
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if hookPoint == nil then return end
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ISTimedActionQueue.add(TowBarCustomPathFind:pathToLocationF(playerObj, hookPoint:x(), hookPoint:y(), hookPoint:z()))
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local storePrim = playerObj:getPrimaryHandItem()
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if storePrim ~= nil then
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ISTimedActionQueue.add(ISUnequipAction:new(playerObj, storePrim, 12))
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end
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ISTimedActionQueue.add(TowBarHookVehicle:new(playerObj, 100, TowBarMod.Config.lowLevelAnimation))
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localPoint = towedVehicle:getAttachmentLocalPos(towedVehicle:getTowAttachmentSelf(), TowBarMod.Utils.tempVector1)
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shift = 0
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if towedVehicle:getModData()["isChangedTowedAttachment"] then
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shift = localPoint:z() > 0 and -1 or 1
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end
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hookPoint = towedVehicle:getWorldPos(localPoint:x(), localPoint:y(), localPoint:z() + shift, TowBarMod.Utils.tempVector2)
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if hookPoint == nil then return end
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ISTimedActionQueue.add(TowBarCustomPathFind:pathToLocationF(playerObj, hookPoint:x(), hookPoint:y(), hookPoint:z()))
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ISTimedActionQueue.add(TowBarHookVehicle:new(
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playerObj,
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300,
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TowBarMod.Config.lowLevelAnimation,
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TowBarMod.Hook.performDetachTowBar,
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towingVehicle,
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towedVehicle
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))
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end
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function TowBarMod.Hook.OnSpawnVehicle(vehicle)
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if not vehicle then return end
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local modData = vehicle:getModData()
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if not (modData and modData["isTowingByTowBar"] and modData["towed"]) then
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return
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end
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-- Keep behavior consistent after load/rejoin for active towbar tows.
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vehicle:setScriptName("notTowingA_Trailer")
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local playerObj = getPlayer()
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if playerObj then
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ISTimedActionQueue.add(TowBarScheduleAction:new(playerObj, 10, TowBarMod.Hook.setVehiclePostAttach, vehicle))
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else
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TowBarMod.Hook.setVehiclePostAttach(nil, vehicle)
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end
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setTowBarModelVisible(vehicle, true)
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end
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Events.OnSpawnVehicleEnd.Add(TowBarMod.Hook.OnSpawnVehicle)
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Events.OnEnterVehicle.Add(TowBarMod.Hook.OnEnterVehicle)
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Events.OnSwitchVehicleSeat.Add(TowBarMod.Hook.OnSwitchVehicleSeat)
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