Intial Commit

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2026-02-06 14:50:37 -05:00
parent ba773ae6a3
commit b9f61adafe
62 changed files with 5055 additions and 0 deletions

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if not TowBarMod then TowBarMod = {} end
if not TowBarMod.Utils then TowBarMod.Utils = {} end
TowBarMod.Utils.tempVector1 = Vector3f.new()
TowBarMod.Utils.tempVector2 = Vector3f.new()
---------------------------------------------------------------------------
--- Util functions
---------------------------------------------------------------------------
function TowBarMod.Utils.isTrailer(vehicle)
return string.match(string.lower(vehicle:getScript():getName()), "trailer")
end
--- Return vehicles from sector that player can tow by tow bar.
function TowBarMod.Utils.getAviableVehicles(mainVehicle, hasTowBar)
local vehicles = {}
if not hasTowBar then return vehicles end
local square = mainVehicle:getSquare()
if square == nil then return vehicles end
-- Match vanilla towing search radius.
for y=square:getY() - 6, square:getY() + 6 do
for x=square:getX() - 6, square:getX() + 6 do
local square2 = getCell():getGridSquare(x, y, square:getZ())
if square2 then
for i=1, square2:getMovingObjects():size() do
local obj = square2:getMovingObjects():get(i-1)
if obj ~= nil
and instanceof(obj, "BaseVehicle")
and obj ~= mainVehicle
and #(TowBarMod.Utils.getHookTypeVariants(mainVehicle, obj, hasTowBar)) ~= 0 then
table.insert(vehicles, obj)
end
end
end
end
end
return vehicles
end
--- Return a table with towbar-only hook options for vehicles.
function TowBarMod.Utils.getHookTypeVariants(vehicleA, vehicleB, hasTowBar)
local hookTypeVariants = {}
if not hasTowBar then return hookTypeVariants end
if vehicleA:getVehicleTowing() or vehicleA:getVehicleTowedBy()
or vehicleB:getVehicleTowing() or vehicleB:getVehicleTowedBy() then
return hookTypeVariants
end
-- Keep tow bars for vehicle-to-vehicle towing only.
if TowBarMod.Utils.isTrailer(vehicleA) or TowBarMod.Utils.isTrailer(vehicleB) then
return hookTypeVariants
end
if vehicleA:canAttachTrailer(vehicleB, "trailerfront", "trailer") then
local hookType = {}
hookType.name = getText("UI_Text_Towing_attach") .. "\n" .. ISVehicleMenu.getVehicleDisplayName(vehicleB) .. "\n" .. getText("UI_Text_Towing_byTowBar")
hookType.func = TowBarMod.Hook.attachByTowBarAction
hookType.towingVehicle = vehicleB
hookType.towedVehicle = vehicleA
hookType.textureName = "tow_bar_icon"
table.insert(hookTypeVariants, hookType)
elseif vehicleA:canAttachTrailer(vehicleB, "trailer", "trailerfront") then
local hookType = {}
hookType.name = getText("UI_Text_Towing_attach") .. "\n" .. ISVehicleMenu.getVehicleDisplayName(vehicleB) .. "\n" .. getText("UI_Text_Towing_byTowBar")
hookType.func = TowBarMod.Hook.attachByTowBarAction
hookType.towingVehicle = vehicleA
hookType.towedVehicle = vehicleB
hookType.textureName = "tow_bar_icon"
table.insert(hookTypeVariants, hookType)
end
return hookTypeVariants
end
function TowBarMod.Utils.updateAttachmentsForRigidTow(towingVehicle, towedVehicle, attachmentA, attachmentB)
local towingAttachment = towingVehicle:getScript():getAttachmentById(attachmentA)
local towedAttachment = towedVehicle:getScript():getAttachmentById(attachmentB)
if towingAttachment == nil or towedAttachment == nil then return end
towingAttachment:setUpdateConstraint(false)
towingAttachment:setZOffset(0)
towedAttachment:setUpdateConstraint(false)
towedAttachment:setZOffset(0)
local offset = towedAttachment:getOffset()
local zShift = offset:z() > 0 and 1 or -1
towedAttachment:getOffset():set(offset:x(), offset:y(), offset:z() + zShift)
local towedModData = towedVehicle:getModData()
towedModData["isChangedTowedAttachment"] = true
towedModData["towBarChangedAttachmentId"] = attachmentB
towedModData["towBarChangedOffsetZShift"] = zShift
towedVehicle:transmitModData()
end
function TowBarMod.Utils.updateAttachmentsOnDefaultValues(towingVehicle, towedVehicle)
local towingAttachmentId = towingVehicle:getTowAttachmentSelf()
local towingAttachment = towingVehicle:getScript():getAttachmentById(towingAttachmentId)
if towingAttachment ~= nil then
towingAttachment:setUpdateConstraint(true)
local zOffset = (towingAttachmentId == "trailer") and -1 or 1
towingAttachment:setZOffset(zOffset)
end
local towedModData = towedVehicle:getModData()
local changedAttachmentId = towedModData["towBarChangedAttachmentId"] or towedVehicle:getTowAttachmentSelf()
local towedAttachment = towedVehicle:getScript():getAttachmentById(changedAttachmentId)
if towedAttachment ~= nil then
towedAttachment:setUpdateConstraint(true)
local zOffset = (changedAttachmentId == "trailer") and -1 or 1
towedAttachment:setZOffset(zOffset)
if towedModData["isChangedTowedAttachment"] then
local offset = towedAttachment:getOffset()
local storedShift = tonumber(towedModData["towBarChangedOffsetZShift"])
if storedShift ~= nil then
towedAttachment:getOffset():set(offset:x(), offset:y(), offset:z() - storedShift)
else
local zShift = offset:z() > 0 and -1 or 1
towedAttachment:getOffset():set(offset:x(), offset:y(), offset:z() + zShift)
end
end
end
towedModData["isChangedTowedAttachment"] = false
towedModData["towBarChangedAttachmentId"] = nil
towedModData["towBarChangedOffsetZShift"] = nil
towedVehicle:transmitModData()
end
-----------------------------------------------------------
--- Fix mods that add vehicles without tow attachments
local function fixTowAttachmentsForOtherVehicleMods()
local scriptManager = getScriptManager()
local vehicleScripts = scriptManager:getAllVehicleScripts()
for i = 0, vehicleScripts:size()-1 do
local script = vehicleScripts:get(i)
local wheelCount = script:getWheelCount()
local attachHeigtOffset = -0.5
if wheelCount > 0 then
attachHeigtOffset = script:getWheel(0):getOffset():y() + 0.1
end
if not string.match(string.lower(script:getName()), "trailer") then
local trailerAttachment = script:getAttachmentById("trailer")
if trailerAttachment == nil then
local attach = ModelAttachment.new("trailer")
attach:getOffset():set(0, attachHeigtOffset, -script:getPhysicsChassisShape():z()/2 - 0.1)
attach:setZOffset(-1)
script:addAttachment(attach)
end
local trailerFrontAttachment = script:getAttachmentById("trailerfront")
if trailerFrontAttachment == nil then
local attach = ModelAttachment.new("trailerfront")
attach:getOffset():set(0, attachHeigtOffset, script:getPhysicsChassisShape():z()/2 + 0.1)
attach:setZOffset(1)
script:addAttachment(attach)
end
end
end
end
Events.OnGameBoot.Add(fixTowAttachmentsForOtherVehicleMods)