Normalize line endings and enforce LF via .gitattributes

42.13/media/lua/client/TowBar/TowingHooking.lua

@@ -33,13 +33,66 @@ local function getTowBarItem(playerObj)
     return inventory:getItemFromTypeRecurse("TowBar.TowBar")
 end
 
+local TowbarVariantSize = 24
+local TowbarNormalStart = 0
+local TowbarLargeStart = 24
+local TowbarMaxIndex = TowbarVariantSize - 1
+
+local function getVehicleModelScale(script)
+    if not script then return nil end
+
+    local ok, result = pcall(function()
+        return script:getModelScale()
+    end)
+    if ok and type(result) == "number" then
+        return result
+    end
+
+    ok, result = pcall(function()
+        local model = script:getModel()
+        if model then
+            return model:getScale()
+        end
+        return nil
+    end)
+    if ok and type(result) == "number" then
+        return result
+    end
+
+    return nil
+end
+
+local function shouldUseLargeTowbarModel(script)
+    local modelScale = getVehicleModelScale(script)
+    if modelScale == nil then
+        return false
+    end
+
+    local configuredThreshold = TowBarMod.Config and tonumber(TowBarMod.Config.largeTowbarModelScaleThreshold)
+    local threshold = configuredThreshold or 1.2
+    return modelScale < threshold
+end
+
+local function getTowbarModelSlot(script)
+    local chassisZ = script:getPhysicsChassisShape():z()
+    local index = 0
+    if chassisZ > 3.0 then
+        local halfZ = chassisZ / 2
+        index = math.floor((halfZ - 1.0) * 16 - 1)
+    end
+    index = math.max(0, math.min(TowbarMaxIndex, index))
+
+    local slotStart = shouldUseLargeTowbarModel(script) and TowbarLargeStart or TowbarNormalStart
+    return slotStart + index, index, slotStart
+end
+
 local function setTowBarModelVisible(vehicle, isVisible)
     if not vehicle then return end
 
     local part = vehicle:getPartById("towbar")
     if part == nil then return end
 
-    for j = 0, 23 do
+    for j = 0, (TowbarVariantSize * 2) - 1 do
         part:setModelVisible("towbar" .. j, false)
     end
 
@@ -54,11 +107,8 @@ local function setTowBarModelVisible(vehicle, isVisible)
         return
     end
 
-    local scale = script:getModelScale()
-    if scale >= 1.5 and scale <= 2 then
-        local z = script:getPhysicsChassisShape():z()/2 - 0.1
-        part:setModelVisible("towbar" .. math.floor((z*2/3 - 1)*10), true)
-    end
+    local slot = getTowbarModelSlot(script)
+    part:setModelVisible("towbar" .. slot, true)
 
     vehicle:doDamageOverlay()
 end
@@ -238,6 +288,10 @@ function TowBarMod.Hook.setVehiclePostAttach(playerObj, towedVehicle, retriesLef
     towedVehicle:setBrakingForce(0)
     towedVehicle:constraintChanged()
     towedVehicle:updateTotalMass()
+
+    -- Re-show the towbar model after the script name has been restored.
+    -- setScriptName() resets model visibility, so we must set it again here.
+    setTowBarModelVisible(towedVehicle, true)
 end
 
 function TowBarMod.Hook.performAttachTowBar(playerObj, towingVehicle, towedVehicle, attachmentA, attachmentB)
@@ -463,6 +517,65 @@ function TowBarMod.Hook.OnGameStart()
     end
 end
 
+---------------------------------------------------------------------------
+--- Dev / debug helpers
+---------------------------------------------------------------------------
+
+function TowBarMod.Hook.devShowAllTowbarModels(playerObj, vehicle)
+    if not vehicle then return end
+    local part = vehicle:getPartById("towbar")
+    if part == nil then
+        print("[TowBar DEV] No 'towbar' part found on vehicle " .. tostring(vehicle:getScriptName()))
+        return
+    end
+    local script = vehicle:getScript()
+    local chassisZ = script and script:getPhysicsChassisShape():z() or 0
+    local halfZ = chassisZ / 2
+    local modelScale = script and getVehicleModelScale(script) or nil
+    local slot, index, slotStart = 0, 0, TowbarNormalStart
+    if script then
+        slot, index, slotStart = getTowbarModelSlot(script)
+    end
+    print("[TowBar DEV] Vehicle: " .. tostring(vehicle:getScriptName()))
+    print("[TowBar DEV] chassisShape.z = " .. tostring(chassisZ) .. ", half = " .. tostring(halfZ))
+    print("[TowBar DEV] modelScale = " .. tostring(modelScale) .. ", largeModel = " .. tostring(slotStart == TowbarLargeStart))
+    print("[TowBar DEV] Formula picks index = " .. tostring(index) .. " (towbar" .. tostring(slot) .. " at Z offset " .. tostring(1.0 + index * 0.1) .. ") [chassisZ > 3.0: " .. tostring(chassisZ > 3.0) .. "]")
+    print("[TowBar DEV] Showing ALL 48 towbar models (towbar0..towbar47)")
+    for j = 0, (TowbarVariantSize * 2) - 1 do
+        part:setModelVisible("towbar" .. j, true)
+    end
+    vehicle:doDamageOverlay()
+end
+
+function TowBarMod.Hook.devHideAllTowbarModels(playerObj, vehicle)
+    if not vehicle then return end
+    local part = vehicle:getPartById("towbar")
+    if part == nil then
+        print("[TowBar DEV] No 'towbar' part found on vehicle " .. tostring(vehicle:getScriptName()))
+        return
+    end
+    print("[TowBar DEV] Hiding ALL towbar models on " .. tostring(vehicle:getScriptName()))
+    for j = 0, (TowbarVariantSize * 2) - 1 do
+        part:setModelVisible("towbar" .. j, false)
+    end
+    vehicle:doDamageOverlay()
+end
+
+function TowBarMod.Hook.devShowSingleTowbar(playerObj, vehicle, index)
+    if not vehicle then return end
+    local part = vehicle:getPartById("towbar")
+    if part == nil then
+        print("[TowBar DEV] No 'towbar' part found on vehicle " .. tostring(vehicle:getScriptName()))
+        return
+    end
+    for j = 0, (TowbarVariantSize * 2) - 1 do
+        part:setModelVisible("towbar" .. j, false)
+    end
+    print("[TowBar DEV] Showing only towbar" .. tostring(index) .. " (Z offset " .. tostring(1.0 + index * 0.1) .. ") on " .. tostring(vehicle:getScriptName()))
+    part:setModelVisible("towbar" .. index, true)
+    vehicle:doDamageOverlay()
+end
+
 Events.OnSpawnVehicleEnd.Add(TowBarMod.Hook.OnSpawnVehicle)
 if Events.OnGameStart then
     Events.OnGameStart.Add(TowBarMod.Hook.OnGameStart)