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

	function ENT:Initialize()
		self:SetModel( self.partmdl )
		
        self:PhysicsInit( SOLID_VPHYSICS )
        self:SetMoveType( MOVETYPE_VPHYSICS )
        self:SetSolid( SOLID_VPHYSICS )
        self:SetCollisionGroup( COLLISION_GROUP_NONE )

		local phys = self:GetPhysicsObject()
		if not IsValid( phys ) then return end
		phys:SetMass(50);
		
		phys:EnableMotion( true )
		self:DrawShadow(false)

		if self.hp != nil then
			self:SetHealth(self.hp)
		else
			self:SetHealth(250)
		end

		if self.removeweld == nil then
			self.removeweld = true
		end
		if self.submaterial == nil then
			self.submaterial = false
		end

		if self.FlexDamagePos == nil then
			self.FlexDamagePos = false
		end

		self:EnableCustomCollisions()
		self:SetCustomCollisionCheck( true )


		constraint.NoCollide( self, self:GetOwner(), 0, 0 )
		for k, ent in pairs(ents.GetAll()) do
			if ent.Base == "dk_damaged_parts_flex_base" or ent.Base == "dk_damaged_parts_base" or ent:IsNPC() then
				constraint.NoCollide( self, ent, 0, 0 )
			end
		end
	end
	local glassimpact = Sound( "Glass.BulletImpact" )
	function ENT:PhysicsCollide( data, phys )
		local speed = data.Speed
   		local kmh = math.Round(speed * 0.09144,0)
		if ( kmh >= 30 ) then 
			local d = DamageInfo()
			d:SetDamage( kmh/20 )
			d:SetAttacker( self )
			d:SetDamagePosition( data.HitPos )
			d:SetDamageType( DMG_DISSOLVE )

			self:TakeDamageInfo( d )
		end
	end
	function ENT:TestCollision()
		return
	end

	function ENT:OnTakeDamage( dmg )
		self:TakePhysicsDamage( dmg )

		local Damage = dmg:GetDamage() 
		local flex_rand = math.random(0,self.flexmax)

		if self:Health() <= 0 then
			if self.removeweld then
				constraint.RemoveAll( self )
				timer.Simple(120, function()
					if IsValid(self) then
						self:Remove()
					end
				end)
			end
		else
			self:SetHealth(self:Health()-Damage)
		end
		if self.submaterial then
			if self:GetFlexWeight(0) >= 0.5 or self:GetFlexWeight(1) >= 0.5 or self:GetFlexWeight(2) >= 0.5 then
				self:SetSubMaterial(self.matid,self.matstring)
			end
		end
		if self.FlexDamagePos then
			local hitpos = self:WorldToLocal(dmg:GetDamagePosition())
			local boxmin, boxmax = self.FlexDamageVecMin, self.FlexDamageVecMax
			if hitpos:WithinAABox(boxmin, boxmax) then
				if self:GetFlexWeight(0) < 1 then
					if Damage <= 1 then
						self:SetFlexWeight( 0, self:GetFlexWeight(0)+Damage)
					else
						self:SetFlexWeight( 0, self:GetFlexWeight(0)+Damage/100)
					end
				end
			end
			if self.flexmax >= 1 then
				local boxmin1, boxmax1 = self.FlexDamageVecMin1, self.FlexDamageVecMax1
				if hitpos:WithinAABox(boxmin1, boxmax1) then
					if self:GetFlexWeight(1) < 1 then
						if Damage <= 1 then
							self:SetFlexWeight( 1, self:GetFlexWeight(1)+Damage)
						else
							self:SetFlexWeight( 1, self:GetFlexWeight(1)+Damage/100)
						end
					end
				end
			end
			if self.flexmax >= 2 then
				local boxmin2, boxmax2 = self.FlexDamageVecMin2, self.FlexDamageVecMax2
				if hitpos:WithinAABox(boxmin2, boxmax2) then
					if self:GetFlexWeight(2) < 1 then
						if Damage <= 1 then
							self:SetFlexWeight( 2, self:GetFlexWeight(2)+Damage)
						else
							self:SetFlexWeight( 2, self:GetFlexWeight(2)+Damage/100)
						end
					end
				end
			end
		else
			if self:GetFlexWeight(flex_rand) < 1 then
				if Damage <= 1 then
					self:SetFlexWeight( flex_rand, self:GetFlexWeight(flex_rand)+Damage)
				elseif Damage/2 <= 1 then
					self:SetFlexWeight( flex_rand, self:GetFlexWeight(flex_rand)+Damage/10)
				else
					self:SetFlexWeight( flex_rand, self:GetFlexWeight(flex_rand)+Damage/20)
				end

			end
		end


		--self:SetBodygroup( 0,self:GetBodygroup(0)+1 )
		--sound.Play(glassimpact, Vector(0,0,0), 75)
	end

	function ENT:Think()
	end

	function ENT:SpawnFunction( ply, tr, ClassName )

		if ( !tr.Hit ) then return end

		local SpawnPos = tr.HitPos + tr.HitNormal * 1

		local ent = ents.Create( ClassName )
		ent:SetPos( SpawnPos )
		ent:Spawn()


		return ent

	end