We need a persistent Lua object that saves the state of the cargo (mass, type, destination).
File: lua/ge/extensions/cargoManager.lua
local M = {}
M.cargoData = {
currentJob = nil,
availableJobs = {},
playerMoney = 0
}
-- Configuration for v0.4.2.0 physics
local cargoTypes =
["logs"] = mass = 8000, reward = 1500, model = "art/shapes/cargo/logs.dae" ,
["containers"] = mass = 5000, reward = 1200, model = "art/shapes/cargo/container_red.dae" ,
["gravel"] = mass = 12000, reward = 2200, model = "art/shapes/cargo/gravel_pile.dae"
local function generateJob()
local locations = "JRI_Sawmill", "JRI_Port", "JRI_IndustrialZone", "JRI_Farm"
local typeKeys = {}
for k in pairs(cargoTypes) do table.insert(typeKeys, k) end
local randomType = typeKeys[math.random(#typeKeys)]
local startIdx = math.random(#locations)
local endIdx = math.random(#locations)
-- Ensure start != end
while startIdx == endIdx do endIdx = math.random(#locations) end
return
type = randomType,
startLoc = locations[startIdx],
endLoc = locations[endIdx],
active = false
end
function M.onUpdate(dt)
-- Generate jobs if list is empty
if #M.cargoData.availableJobs < 3 then
table.insert(M.cargoData.availableJobs, generateJob())
end
end
function M.acceptJob(index)
M.cargoData.currentJob = M.cargoData.availableJobs[index]
M.cargoData.currentJob.active = true
-- Notify the physics engine to prepare for mass change
guihooks.trigger('JobAccepted', M.cargoData.currentJob)
end
-- Hook for loading cargo
function M.loadCargo()
if not M.cargoData.currentJob then return end
local cargoInfo = cargoTypes[M.cargoData.currentJob.type]
-- v0.4.2.0 specific: Modify vehicle data directly
local veh = be:getPlayerVehicle(0)
if veh then
-- Spawning a static object and attaching it (simplified for concept)
-- In v0.4, we often just added mass to the vehicle data
veh:requestPhysics()
local vehData = veh:getData()
-- Pseudo-code for adding mass to the bed node group
core_vehicles.setVehicleMass(veh, veh:getData().weight + cargoInfo.mass)
M.cargoData.currentJob.loaded = true
guihooks.trigger('Message', "Cargo Loaded: " .. M.cargoData.currentJob.type)
end
end
M.onUpdate = onUpdate -- Register the update loop
return M
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