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lua/includes/jakubbaku_utils.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+function JBUmatTranspose3x3(matrix)
+    local tb = matrix:ToTable()
+    local tb1 = {
+        {tb[1][1], tb[2][1], tb[3][1], 0},
+        {tb[1][2], tb[2][2], tb[3][2], 0},
+        {tb[1][3], tb[2][3], tb[3][3], 0},
+        {0, 0, 0, 0},
+    }
+
+    return Matrix(tb1)
+end
+
+function JBUApproachVector(v1, v2, delta)
+    local x = math.Approach(v1.x, v2.x, delta)
+    local y = math.Approach(v1.y, v2.y, delta)
+    local z = math.Approach(v1.z, v2.z, delta)
+
+    return Vector(x,y,z)
+end
+
+function JBUFindTheEntInConstraints(_ent, _constraintname, _classname)
+    local tbl = {}
+    if(istable(_classname)) then
+        tbl = _classname
+    else
+        tbl[_classname] = true
+    end
+
+    local _const = constraint.FindConstraints(_ent, _constraintname)
+    for k, v in pairs(_const) do
+        local ent = NULL
+
+        if(tbl[v.Ent1:GetClass()]) then
+            ent = v.Ent1
+        elseif(tbl[v.Ent1:GetClass()]) then
+            ent = v.Ent2
+        end
+
+        if(IsValid(ent)) then return ent end
+    end
+end
+
+if(SERVER) then
+    __BakuVehicleTableAR3 = __BakuVehicleTableAR3 or {}
+    __BakuManTableAR3 = __BakuManTableAR3 or {}
+
+    __BakuRegisteredMannableClasses = __BakuRegisteredMannableClasses or {}
+
+    hook.Add("PlayerEnteredVehicle", "MannableTurretsBaku", function(ply, veh, role)
+        local mannedgun = __BakuManTableAR3[ply:EntIndex()]
+        if(IsValid(mannedgun)) then
+            mannedgun:AR3Deactivate()
+        end
+
+        local gun = __BakuVehicleTableAR3[veh:EntIndex()] or JBUFindTheEntInConstraints(veh, "Weld", __BakuRegisteredMannableClasses)
+
+        if(!IsValid(gun)) then __BakuVehicleTableAR3[veh:EntIndex()] = nil return end
+
+        gun._DriveMode = true
+        gun._Vehicle = veh
+
+        __BakuVehicleTableAR3[veh:EntIndex()] = gun
+
+        gun._User = ply
+        
+        gun:AR3Activate()
+    end)
+
+    hook.Add("PlayerLeaveVehicle", "MannableTurretsBaku", function(ply, veh)
+        local gun = __BakuVehicleTableAR3[veh:EntIndex()] or JBUFindTheEntInConstraints(veh, "Weld", __BakuRegisteredMannableClasses)
+
+        if(!IsValid(gun)) then return end
+
+        gun:AR3Deactivate()
+    end)
+end