159 lines
4.1 KiB
Lua
159 lines
4.1 KiB
Lua
local isDebug = false
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-- iterations for damage application
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local MAX_DEFORM_ITERATIONS = 50
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-- the minimum damage value at a deformation point
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local DEFORMATION_DAMAGE_THRESHOLD = 0.05
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-- gets deformation from a vehicle
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function GetVehicleDeformation(vehicle)
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assert(vehicle ~= nil and DoesEntityExist(vehicle), "Parameter \"vehicle\" must be a valid vehicle entity!")
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-- check vehicle size and pre-calc values for offsets
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local min, max = GetModelDimensions(GetEntityModel(vehicle))
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local X = (max.x - min.x) * 0.5
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local Y = (max.y - min.y) * 0.5
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local Z = (max.z - min.z) * 0.5
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local halfY = Y * 0.5
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-- offsets for deformation check
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local positions = {
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vector3(-X, Y, 0.0),
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vector3(-X, Y, Z),
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vector3(0.0, Y, 0.0),
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vector3(0.0, Y, Z),
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vector3(X, Y, 0.0),
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vector3(X, Y, Z),
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vector3(-X, halfY, 0.0),
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vector3(-X, halfY, Z),
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vector3(0.0, halfY, 0.0),
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vector3(0.0, halfY, Z),
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vector3(X, halfY, 0.0),
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vector3(X, halfY, Z),
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vector3(-X, 0.0, 0.0),
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vector3(-X, 0.0, Z),
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vector3(0.0, 0.0, 0.0),
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vector3(0.0, 0.0, Z),
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vector3(X, 0.0, 0.0),
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vector3(X, 0.0, Z),
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vector3(-X, -halfY, 0.0),
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vector3(-X, -halfY, Z),
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vector3(0.0, -halfY, 0.0),
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vector3(0.0, -halfY, Z),
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vector3(X, -halfY, 0.0),
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vector3(X, -halfY, Z),
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vector3(-X, -Y, 0.0),
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vector3(-X, -Y, Z),
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vector3(0.0, -Y, 0.0),
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vector3(0.0, -Y, Z),
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vector3(X, -Y, 0.0),
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vector3(X, -Y, Z),
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}
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-- get deformation from vehicle
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local deformationPoints = {}
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for i, pos in ipairs(positions) do
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-- translate damage from vector3 to a float
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local dmg = #(GetVehicleDeformationAtPos(vehicle, pos))
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if (dmg > DEFORMATION_DAMAGE_THRESHOLD) then
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table.insert(deformationPoints, { pos, dmg })
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end
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end
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Log("Got " .. tostring(#deformationPoints) .. " deformation point" .. (#deformationPoints == 1 and "" or "s") .. " from \"" .. tostring(GetVehicleNumberPlateText(vehicle)) .. "\"")
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return deformationPoints
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end
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-- sets deformation on a vehicle
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function SetVehicleDeformation(vehicle, deformationPoints, callback)
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assert(vehicle ~= nil and DoesEntityExist(vehicle), "Parameter \"vehicle\" must be a valid vehicle entity!")
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assert(deformationPoints ~= nil and type(deformationPoints) == "table", "Parameter \"deformationPoints\" must be a table!")
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Citizen.CreateThread(function()
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-- set radius and damage multiplier
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local min, max = GetModelDimensions(GetEntityModel(vehicle))
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local radius = #(max - min) * 40.0 -- might need some more experimentation
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local damageMult = #(max - min) * 30.0 -- might need some more experimentation
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local printMsg = false
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for i, def in ipairs(deformationPoints) do
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def[1] = vector3(def[1].x, def[1].y, def[1].z)
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end
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-- iterate over all deformation points and check if more than one application is necessary
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-- looping is necessary for most vehicles that have a really bad damage model or take a lot of damage (e.g. neon, phantom3)
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local deform = true
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local iteration = 0
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while (deform and iteration < MAX_DEFORM_ITERATIONS) do
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if (not DoesEntityExist(vehicle)) then
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Log("Vehicle \"" .. tostring(GetVehicleNumberPlateText(vehicle)) .. "\" got deleted mid-deformation.")
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return
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end
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deform = false
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-- apply deformation if necessary
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for i, def in ipairs(deformationPoints) do
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if (#(GetVehicleDeformationAtPos(vehicle, def[1])) < def[2]) then
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SetVehicleDamage(
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vehicle,
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def[1] * 2.0,
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def[2] * damageMult,
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radius,
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true
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)
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deform = true
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if (not printMsg) then
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Log("Applying deformation to \"" .. tostring(GetVehicleNumberPlateText(vehicle)) .. "\"")
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printMsg = true
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end
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end
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end
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iteration = iteration + 1
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Citizen.Wait(100)
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end
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if (printMsg) then
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Log("Applying deformation finished for \"" .. tostring(GetVehicleNumberPlateText(vehicle)) .. "\"")
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end
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if (callback) then
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callback()
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end
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end)
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end
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function Log(text)
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if (isDebug) then
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print(text)
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end
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end
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exports("GetVehicleDeformation", GetVehicleDeformation)
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exports("SetVehicleDeformation", SetVehicleDeformation)
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