AddCSLuaFile( "cl_init.lua" )
AddCSLuaFile( "shared.lua" )

include('shared.lua')
constrained = false
function ENT:Initialize()
	self.Entity:SetModel('models/props_c17/oildrum001.mdl')
	self.Entity:PhysicsInit( SOLID_VPHYSICS )
	self.Entity:SetMoveType( MOVETYPE_VPHYSICS )
	self.Entity:SetSolid( SOLID_VPHYSICS )

	local phys = self.Entity:GetPhysicsObject()
	if (phys:IsValid()) then
		phys:Wake()
		phys:EnableGravity(false)
	end
	self:MakeUpright(self.Entity, Angle(0,0,0), 0, 100000)
	self.Entity:SetMaterial("models/shiny")
end

function ENT:Think()
	local trace={}
	trace.startpos=self.Entity:GetPhysicsObject():GetPos()
	trace.endpos=self.Entity:GetPhysicsObject():GetPos() - Vector(0,0,10000)
	trace.ignore = self.Entity
	local traceRes=util.TraceLine(trace)
	local force = -50 * (trace.startpos.z - (traceRes.HitPos.z + 50))
	self.Entity:GetPhysicsObject():ApplyForceCenter(Vector(0,0,force))
	force = -0.3*self.Entity:GetVelocity().z*self.Entity:GetPhysicsObject():GetMass()
	self.Entity:GetPhysicsObject():ApplyForceCenter(Vector(0,0,force))
end

function ENT:MakeUpright(Entity, Ang, Bone, angularlimit)
	local Phys = Entity:GetPhysicsObjectNum(Bone)
	local constraint = ents.Create( "phys_keepupright" )
	constraint:SetAngles( Ang )
	constraint:SetKeyValue( "angularlimit", angularlimit )
	constraint:SetPhysConstraintObjects( Phys, Phys )
	constraint:Spawn()
	constraint:Activate()
end