126 lines
4.0 KiB
Lua
126 lines
4.0 KiB
Lua
if isServer() then return end
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if not TowBarMod then TowBarMod = {} end
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TowBarMod.Sync = TowBarMod.Sync or {}
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if TowBarMod.Sync._towSyncClientLoaded then return end
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TowBarMod.Sync._towSyncClientLoaded = true
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local function resolveVehicle(id)
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if not id then return nil end
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return getVehicleById(id)
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end
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local function ensureAttachment(vehicle, attachmentId)
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if not vehicle or not attachmentId then return false end
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local script = vehicle:getScript()
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if not script then return false end
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if script:getAttachmentById(attachmentId) ~= nil then return true end
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local wheelCount = script:getWheelCount()
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local yOffset = -0.5
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if wheelCount > 0 then
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local wheel = script:getWheel(0)
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if wheel and wheel:getOffset() then
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yOffset = wheel:getOffset():y() + 0.1
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end
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end
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local chassis = script:getPhysicsChassisShape()
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if not chassis then return false end
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local attach = ModelAttachment.new(attachmentId)
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if attachmentId == "trailer" then
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attach:getOffset():set(0, yOffset, -chassis:z() / 2 - 0.1)
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attach:setZOffset(-1)
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else
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attach:getOffset():set(0, yOffset, chassis:z() / 2 + 0.1)
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attach:setZOffset(1)
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end
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script:addAttachment(attach)
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return true
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end
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local function isLinked(vehicleA, vehicleB)
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if not vehicleA or not vehicleB then return false end
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return vehicleA:getVehicleTowing() == vehicleB and vehicleB:getVehicleTowedBy() == vehicleA
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end
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local function reconcilePairState(vehicleA, vehicleB, attachmentA, attachmentB)
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if TowBarMod.Utils and TowBarMod.Utils.updateAttachmentsForRigidTow then
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TowBarMod.Utils.updateAttachmentsForRigidTow(vehicleA, vehicleB, attachmentA, attachmentB)
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end
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local towingMd = vehicleA:getModData()
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local towedMd = vehicleB:getModData()
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local currentScript = vehicleB:getScriptName()
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if towingMd then
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towingMd["isTowingByTowBar"] = true
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vehicleA:transmitModData()
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end
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if towedMd then
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if towedMd.towBarOriginalScriptName == nil and currentScript ~= "notTowingA_Trailer" then
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towedMd.towBarOriginalScriptName = currentScript
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end
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if towedMd.towBarOriginalMass == nil then
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towedMd.towBarOriginalMass = vehicleB:getMass()
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end
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if towedMd.towBarOriginalBrakingForce == nil then
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towedMd.towBarOriginalBrakingForce = vehicleB:getBrakingForce()
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end
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towedMd["isTowingByTowBar"] = true
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towedMd["towed"] = true
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vehicleB:transmitModData()
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end
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vehicleB:setScriptName("notTowingA_Trailer")
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if TowBarMod.Hook and TowBarMod.Hook.setVehiclePostAttach then
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pcall(TowBarMod.Hook.setVehiclePostAttach, nil, vehicleB)
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end
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end
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local function applyAttachSync(args)
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if not args then return end
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local vehicleA = resolveVehicle(args.vehicleA)
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local vehicleB = resolveVehicle(args.vehicleB)
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if not vehicleA or not vehicleB then return end
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local attachmentA = args.attachmentA or "trailer"
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local attachmentB = args.attachmentB or "trailerfront"
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if not ensureAttachment(vehicleA, attachmentA) or not ensureAttachment(vehicleB, attachmentB) then
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return
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end
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if not isLinked(vehicleA, vehicleB) then
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vehicleA:addPointConstraint(nil, vehicleB, attachmentA, attachmentB)
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end
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reconcilePairState(vehicleA, vehicleB, attachmentA, attachmentB)
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end
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local function safeBreak(vehicle)
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if not vehicle then return end
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if vehicle:getVehicleTowing() == nil and vehicle:getVehicleTowedBy() == nil then return end
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vehicle:breakConstraint(true, true)
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end
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local function applyDetachSync(args)
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if not args then return end
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safeBreak(resolveVehicle(args.vehicleA))
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safeBreak(resolveVehicle(args.vehicleB))
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end
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local function onServerCommand(module, command, args)
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if module ~= "towbar" then return end
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if command == "forceAttachSync" then
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applyAttachSync(args)
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elseif command == "forceDetachSync" then
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applyDetachSync(args)
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end
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end
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Events.OnServerCommand.Add(onServerCommand)
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