-- Variables that are used on both client and server
SWEP.Category				= ""
SWEP.Gun					= ""
SWEP.Author				= ""
SWEP.Contact				= ""
SWEP.Purpose				= ""
SWEP.Instructions				= ""
SWEP.MuzzleAttachment			= "1" 		-- Should be "1" for CSS models or "muzzle" for hl2 models
SWEP.DrawCrosshair			= false		-- Hell no, crosshairs r 4 nubz!
SWEP.ViewModelFOV			= 65		-- How big the gun will look
SWEP.ViewModelFlip			= true		-- True for CSS models, False for HL2 models


SWEP.Base					= "weapon_tttbase"
SWEP.Spawnable				= false
SWEP.AdminSpawnable			= false

SWEP.Primary.Sound 			= Sound("")				-- Sound of the gun
SWEP.Primary.Round 			= ("")					-- What kind of bullet?
SWEP.Primary.Cone			= 0.2					-- Accuracy of NPCs
SWEP.Primary.Recoil		= 10
SWEP.Primary.Damage		= 10
SWEP.Primary.Spread		= .01					--define from-the-hip accuracy (1 is terrible, .0001 is exact)
SWEP.Primary.NumShots	= 1
SWEP.Primary.RPM				= 0					-- This is in Rounds Per Minute
SWEP.Primary.ClipSize			= 0					-- Size of a clip
SWEP.Primary.DefaultClip			= 0					-- Default number of bullets in a clip
SWEP.Primary.KickUp			= 0					-- Maximum up recoil (rise)
SWEP.Primary.KickDown			= 0					-- Maximum down recoil (skeet)
SWEP.Primary.KickHorizontal			= 0					-- Maximum side recoil (koolaid)
SWEP.Primary.Automatic			= true					-- Automatic/Semi Auto
SWEP.Primary.Ammo			= "none"					-- What kind of ammo

SWEP.Secondary.ClipSize			= 0					-- Size of a clip
SWEP.Secondary.DefaultClip			= 0					-- Default number of bullets in a clip
SWEP.Secondary.Automatic			= false					-- Automatic/Semi Auto
SWEP.Secondary.Ammo			= "none"
SWEP.Secondary.IronFOV			= 0						-- How much you 'zoom' in. Less is more!

SWEP.Penetration		= false
SWEP.Ricochet			= false
SWEP.MaxRicochet			= 1
SWEP.RicochetCoin		= 1
SWEP.ShellTime			= .35
SWEP.Tracer				= 0
SWEP.CanBeSilenced		= false
SWEP.Silenced			= false
SWEP.NextSilence 		= 0
SWEP.NextFireSelect		= 0
SWEP.Primary.RPM		= 900

SWEP.IronSightsPos = Vector (2.4537, 1.0923, 0.2696)
SWEP.IronSightsAng = Vector (0.0186, -0.0547, 0)

SWEP.VElements = {}
SWEP.WElements = {}

function SWEP:Initialize()
	self.Reloadaftershoot = 0 				-- Can't reload when firing
	self:SetWeaponHoldType(self.HoldType)
	if CLIENT and self.Weapon:Clip1() == -1 then
		self.Weapon:SetClip1(self.Primary.DefaultClip)
	elseif SERVER then
		self.fingerprints = {}

		self:SetIronsights(false)
   end

   self:SetDeploySpeed(self.DeploySpeed)
	if CLIENT then

		-- // Create a new table for every weapon instance
		self.VElements = table.FullCopy( self.VElements )
		self.WElements = table.FullCopy( self.WElements )
		self.ViewModelBoneMods = table.FullCopy( self.ViewModelBoneMods )

		self:CreateModels(self.VElements) -- create viewmodels
		self:CreateModels(self.WElements) -- create worldmodels

		-- // init view model bone build function
		if IsValid(self.Owner) and self.Owner:IsPlayer() then
		if self.Owner:Alive() then
			local vm = self.Owner:GetViewModel()
			if IsValid(vm) then
				self:ResetBonePositions(vm)
				-- // Init viewmodel visibility
				if (self.ShowViewModel == nil or self.ShowViewModel) then
					vm:SetColor(Color(255,255,255,255))
				else
					-- // however for some reason the view model resets to render mode 0 every frame so we just apply a debug material to prevent it from drawing
					vm:SetMaterial("Debug/hsv")
				end
			end

		end
		end

	end
end

function SWEP:Deploy()
	self:SetIronsights(false)					-- Set the ironsight false
	self:SetWeaponHoldType(self.HoldType)
	self.Weapon:SetNetworkedBool("Reloading", false)
	return true
end

function SWEP:Holster()

	if CLIENT and IsValid(self.Owner) and not self.Owner:IsNPC() then
		local vm = self.Owner:GetViewModel()
		if IsValid(vm) then
			self:ResetBonePositions(vm)
		end
	end

	return true
end

function SWEP:OnRemove()

	if CLIENT and IsValid(self.Owner) and not self.Owner:IsNPC() then
		local vm = self.Owner:GetViewModel()
		if IsValid(vm) then
			self:ResetBonePositions(vm)
		end
	end

end

function SWEP:GetCapabilities()
	return CAP_WEAPON_RANGE_ATTACK1, CAP_INNATE_RANGE_ATTACK1
end

function SWEP:Precache()
	util.PrecacheSound(self.Primary.Sound)
	util.PrecacheModel(self.ViewModel)
	util.PrecacheModel(self.WorldModel)
end

function SWEP:PrimaryAttack()
	if self:CanPrimaryAttack() and self.Owner:IsPlayer() then
	self.Owner:ViewPunch( Angle( math.Rand(self.Primary.RecoilXRand,-self.Primary.RecoilXRand) * self.Primary.Recoil, math.Rand(self.Primary.RecoilYRand,-self.Primary.RecoilYRand) *self.Primary.Recoil, 0 ) )
	if !self.Owner:KeyDown(IN_SPEED) and !self.Owner:KeyDown(IN_RELOAD) then
		self:ShootBulletInformation()
		self.Weapon:TakePrimaryAmmo(1)

		local fx 		= EffectData()
		fx:SetEntity(self.Weapon)
		fx:SetOrigin(self.Owner:GetShootPos())
		fx:SetNormal(self.Owner:GetAimVector())
		fx:SetAttachment(self.MuzzleAttachment)
		if GetConVar("M9KGasEffect") != nil then
			if GetConVar("M9KGasEffect"):GetBool() then
				util.Effect("m9k_rg_muzzle_rifle",fx)
			end
		end
		self.Owner:SetAnimation( PLAYER_ATTACK1 )
		self.Owner:MuzzleFlash()
		self.Weapon:SetNextPrimaryFire(CurTime()+1/(self.Primary.RPM/60))
		self.RicochetCoin = (math.random(1,4))
		if self.BoltAction then self:BoltBack() end
	end
	elseif self:CanPrimaryAttack() and self.Owner:IsNPC() then
		self:ShootBulletInformation()
		self.Weapon:TakePrimaryAmmo(1)
		self.Weapon:SendWeaponAnim( ACT_VM_PRIMARYATTACK )
		self.Weapon:EmitSound(self.Primary.Sound)
		self.Owner:SetAnimation( PLAYER_ATTACK1 )
		self.Owner:MuzzleFlash()
		self.Weapon:SetNextPrimaryFire(CurTime()+1/(self.Primary.RPM/60))
		self.RicochetCoin = (math.random(1,4))
	end
end

/*---------------------------------------------------------
   Name: SWEP:ShootBulletInformation()
   Desc: This func add the damage, the recoil, the number of shots and the cone on the bullet.
---------------------------------------------------------*/
function SWEP:ShootBulletInformation()

	local CurrentDamage
	local CurrentRecoil
	local CurrentCone

	if (self:GetIronsights() == true) and self.Owner:KeyDown(IN_ATTACK2) then
	CurrentCone = self.Primary.IronAccuracy
	else
	CurrentCone = self.Primary.Spread
	end
	local damagedice = math.Rand(.85,1.3)

	CurrentDamage = self.Primary.Damage * damagedice
	CurrentRecoil = self.Primary.Recoil

	-- Player is aiming
	if (self:GetIronsights() == true) and self.Owner:KeyDown(IN_ATTACK2) then
		self:ShootBullet(CurrentDamage, CurrentRecoil * 0.6, self.Primary.NumShots, CurrentCone)
	-- Player is not aiming
	else
		self:ShootBullet(CurrentDamage, CurrentRecoil, self.Primary.NumShots, CurrentCone)
	end

end

function SWEP:SecondaryAttack()
   if self.NoSights or (not self.IronSightsPos) then return end
   --if self:GetNextSecondaryFire() > CurTime() then return end

   self:SetIronsights(not self:GetIronsights())

   self:SetNextSecondaryFire(CurTime() + 0.3)
end

function SWEP:Reload()
   self.Weapon:DefaultReload(self.ReloadAnim)
   self:SetIronsights( false )
   self.Owner:SetFOV( 0, 0.3 )
end

/*---------------------------------------------------------
IronSight
---------------------------------------------------------*/
function SWEP:IronSight()

	if !self.Owner:IsNPC() then
	if self.ResetSights and CurTime() >= self.ResetSights then
	self.ResetSights = nil

	if self.Silenced then
		self:SendWeaponAnim(ACT_VM_IDLE_SILENCED)
	else
		self:SendWeaponAnim(ACT_VM_IDLE)
	end
	end end

	if self.CanBeSilenced and self.NextSilence < CurTime() then
		if self.Owner:KeyDown(IN_USE) and self.Owner:KeyPressed(IN_ATTACK2) then
			self:Silencer()
		end
	end
	if self.Owner:KeyDown(IN_ATTACK2) and not (self.Weapon:GetNWBool("Reloading")) and (not self.NoSights) then
	self:SetIronsights(true)
	self.Owner:SetFOV( self.Secondary.IronFOV, 0.3 )
	self.DrawCrosshair = false
	end
	if self.Owner:KeyReleased (IN_ATTACK2) then	-- If you release then
	self:SetIronsights(false)					-- Set the ironsight true
	self.Owner:SetFOV( 0, 0.3 )
	self.DrawCrosshair = false
	end
end

/*---------------------------------------------------------
Think
---------------------------------------------------------*/
function SWEP:Think()

self:IronSight()

end

/*---------------------------------------------------------
GetViewModelPosition
---------------------------------------------------------*/
local IRONSIGHT_TIME = 0.3
-- Time to enter in the ironsight mod


/*---------------------------------------------------------
SetIronsights
---------------------------------------------------------*/
function SWEP:SetIronsights(b)
	self.Weapon:SetNetworkedBool("Ironsights", b)
end

function SWEP:GetIronsights()
	return self.Weapon:GetNWBool("Ironsights")
end


if CLIENT then

	SWEP.vRenderOrder = nil
	function SWEP:ViewModelDrawn()

		local vm = self.Owner:GetViewModel()
		if !IsValid(vm) then return end

		if (!self.VElements) then return end

		self:UpdateBonePositions(vm)

		if (!self.vRenderOrder) then

			-- // we build a render order because sprites need to be drawn after models
			self.vRenderOrder = {}

			for k, v in pairs( self.VElements ) do
				if (v.type == "Model") then
					table.insert(self.vRenderOrder, 1, k)
				elseif (v.type == "Sprite" or v.type == "Quad") then
					table.insert(self.vRenderOrder, k)
				end
			end

		end

		for k, name in ipairs( self.vRenderOrder ) do

			local v = self.VElements[name]
			if (!v) then self.vRenderOrder = nil break end
			if (v.hide) then continue end

			local model = v.modelEnt
			local sprite = v.spriteMaterial

			if (!v.bone) then continue end

			local pos, ang = self:GetBoneOrientation( self.VElements, v, vm )

			if (!pos) then continue end

			if (v.type == "Model" and IsValid(model)) then

				model:SetPos(pos + ang:Forward() * v.pos.x + ang:Right() * v.pos.y + ang:Up() * v.pos.z )
				ang:RotateAroundAxis(ang:Up(), v.angle.y)
				ang:RotateAroundAxis(ang:Right(), v.angle.p)
				ang:RotateAroundAxis(ang:Forward(), v.angle.r)

				model:SetAngles(ang)
				-- //model:SetModelScale(v.size)
				local matrix = Matrix()
				matrix:Scale(v.size)
				model:EnableMatrix( "RenderMultiply", matrix )

				if (v.material == "") then
					model:SetMaterial("")
				elseif (model:GetMaterial() != v.material) then
					model:SetMaterial( v.material )
				end

				if (v.skin and v.skin != model:GetSkin()) then
					model:SetSkin(v.skin)
				end

				if (v.bodygroup) then
					for k, v in pairs( v.bodygroup ) do
						if (model:GetBodygroup(k) != v) then
							model:SetBodygroup(k, v)
						end
					end
				end

				if (v.surpresslightning) then
					render.SuppressEngineLighting(true)
				end

				render.SetColorModulation(v.color.r/255, v.color.g/255, v.color.b/255)
				render.SetBlend(v.color.a/255)
				model:DrawModel()
				render.SetBlend(1)
				render.SetColorModulation(1, 1, 1)

				if (v.surpresslightning) then
					render.SuppressEngineLighting(false)
				end

			elseif (v.type == "Sprite" and sprite) then

				local drawpos = pos + ang:Forward() * v.pos.x + ang:Right() * v.pos.y + ang:Up() * v.pos.z
				render.SetMaterial(sprite)
				render.DrawSprite(drawpos, v.size.x, v.size.y, v.color)

			elseif (v.type == "Quad" and v.draw_func) then

				local drawpos = pos + ang:Forward() * v.pos.x + ang:Right() * v.pos.y + ang:Up() * v.pos.z
				ang:RotateAroundAxis(ang:Up(), v.angle.y)
				ang:RotateAroundAxis(ang:Right(), v.angle.p)
				ang:RotateAroundAxis(ang:Forward(), v.angle.r)

				cam.Start3D2D(drawpos, ang, v.size)
					v.draw_func( self )
				cam.End3D2D()

			end

		end

	end

	SWEP.wRenderOrder = nil
	function SWEP:DrawWorldModel()

		if (self.ShowWorldModel == nil or self.ShowWorldModel) then
			self:DrawModel()
		end

		if (!self.WElements) then return end

		if (!self.wRenderOrder) then

			self.wRenderOrder = {}

			for k, v in pairs( self.WElements ) do
				if (v.type == "Model") then
					table.insert(self.wRenderOrder, 1, k)
				elseif (v.type == "Sprite" or v.type == "Quad") then
					table.insert(self.wRenderOrder, k)
				end
			end

		end

		if (IsValid(self.Owner)) then
			bone_ent = self.Owner
		else
			-- // when the weapon is dropped
			bone_ent = self
		end

		for k, name in pairs( self.wRenderOrder ) do

			local v = self.WElements[name]
			if (!v) then self.wRenderOrder = nil break end
			if (v.hide) then continue end

			local pos, ang

			if (v.bone) then
				pos, ang = self:GetBoneOrientation( self.WElements, v, bone_ent )
			else
				pos, ang = self:GetBoneOrientation( self.WElements, v, bone_ent, "ValveBiped.Bip01_R_Hand" )
			end

			if (!pos) then continue end

			local model = v.modelEnt
			local sprite = v.spriteMaterial

			if (v.type == "Model" and IsValid(model)) then

				model:SetPos(pos + ang:Forward() * v.pos.x + ang:Right() * v.pos.y + ang:Up() * v.pos.z )
				ang:RotateAroundAxis(ang:Up(), v.angle.y)
				ang:RotateAroundAxis(ang:Right(), v.angle.p)
				ang:RotateAroundAxis(ang:Forward(), v.angle.r)

				model:SetAngles(ang)
				-- //model:SetModelScale(v.size)
				local matrix = Matrix()
				matrix:Scale(v.size)
				model:EnableMatrix( "RenderMultiply", matrix )

				if (v.material == "") then
					model:SetMaterial("")
				elseif (model:GetMaterial() != v.material) then
					model:SetMaterial( v.material )
				end

				if (v.skin and v.skin != model:GetSkin()) then
					model:SetSkin(v.skin)
				end

				if (v.bodygroup) then
					for k, v in pairs( v.bodygroup ) do
						if (model:GetBodygroup(k) != v) then
							model:SetBodygroup(k, v)
						end
					end
				end

				if (v.surpresslightning) then
					render.SuppressEngineLighting(true)
				end

				render.SetColorModulation(v.color.r/255, v.color.g/255, v.color.b/255)
				render.SetBlend(v.color.a/255)
				model:DrawModel()
				render.SetBlend(1)
				render.SetColorModulation(1, 1, 1)

				if (v.surpresslightning) then
					render.SuppressEngineLighting(false)
				end

			elseif (v.type == "Sprite" and sprite) then

				local drawpos = pos + ang:Forward() * v.pos.x + ang:Right() * v.pos.y + ang:Up() * v.pos.z
				render.SetMaterial(sprite)
				render.DrawSprite(drawpos, v.size.x, v.size.y, v.color)

			elseif (v.type == "Quad" and v.draw_func) then

				local drawpos = pos + ang:Forward() * v.pos.x + ang:Right() * v.pos.y + ang:Up() * v.pos.z
				ang:RotateAroundAxis(ang:Up(), v.angle.y)
				ang:RotateAroundAxis(ang:Right(), v.angle.p)
				ang:RotateAroundAxis(ang:Forward(), v.angle.r)

				cam.Start3D2D(drawpos, ang, v.size)
					v.draw_func( self )
				cam.End3D2D()

			end

		end

	end

	function SWEP:GetBoneOrientation( basetab, tab, ent, bone_override )

		local bone, pos, ang
		if (tab.rel and tab.rel != "") then

			local v = basetab[tab.rel]

			if (!v) then return end

			-- // Technically, if there exists an element with the same name as a bone
			-- // you can get in an infinite loop. Let's just hope nobody's that stupid.
			pos, ang = self:GetBoneOrientation( basetab, v, ent )

			if (!pos) then return end

			pos = pos + ang:Forward() * v.pos.x + ang:Right() * v.pos.y + ang:Up() * v.pos.z
			ang:RotateAroundAxis(ang:Up(), v.angle.y)
			ang:RotateAroundAxis(ang:Right(), v.angle.p)
			ang:RotateAroundAxis(ang:Forward(), v.angle.r)

		else

			bone = ent:LookupBone(bone_override or tab.bone)

			if (!bone) then return end

			pos, ang = Vector(0,0,0), Angle(0,0,0)
			local m = ent:GetBoneMatrix(bone)
			if (m) then
				pos, ang = m:GetTranslation(), m:GetAngles()
			end

			if (IsValid(self.Owner) and self.Owner:IsPlayer() and
				ent == self.Owner:GetViewModel() and self.ViewModelFlip) then
				ang.r = -ang.r --// Fixes mirrored models
			end

		end

		return pos, ang
	end

	function SWEP:CreateModels( tab )

		if (!tab) then return end

		-- // Create the clientside models here because Garry says we can't do it in the render hook
		for k, v in pairs( tab ) do
			if (v.type == "Model" and v.model and v.model != "" and (!IsValid(v.modelEnt) or v.createdModel != v.model) and
					string.find(v.model, ".mdl") and file.Exists (v.model, "GAME") ) then

				v.modelEnt = ClientsideModel(v.model, RENDER_GROUP_VIEW_MODEL_OPAQUE)
				if (IsValid(v.modelEnt)) then
					v.modelEnt:SetPos(self:GetPos())
					v.modelEnt:SetAngles(self:GetAngles())
					v.modelEnt:SetParent(self)
					v.modelEnt:SetNoDraw(true)
					v.createdModel = v.model
				else
					v.modelEnt = nil
				end

			elseif (v.type == "Sprite" and v.sprite and v.sprite != "" and (!v.spriteMaterial or v.createdSprite != v.sprite)
				and file.Exists ("materials/"..v.sprite..".vmt", "GAME")) then

				local name = v.sprite.."-"
				local params = { ["$basetexture"] = v.sprite }
				-- // make sure we create a unique name based on the selected options
				local tocheck = { "nocull", "additive", "vertexalpha", "vertexcolor", "ignorez" }
				for i, j in pairs( tocheck ) do
					if (v[j]) then
						params["$"..j] = 1
						name = name.."1"
					else
						name = name.."0"
					end
				end

				v.createdSprite = v.sprite
				v.spriteMaterial = CreateMaterial(name,"UnlitGeneric",params)

			end
		end

	end

	local allbones
	local hasGarryFixedBoneScalingYet = false

	function SWEP:UpdateBonePositions(vm)

		if self.ViewModelBoneMods then

			if (!vm:GetBoneCount()) then return end

			-- // !! WORKAROUND !! --//
			-- // We need to check all model names :/
			local loopthrough = self.ViewModelBoneMods
			if (!hasGarryFixedBoneScalingYet) then
				allbones = {}
				for i=0, vm:GetBoneCount() do
					local bonename = vm:GetBoneName(i)
					if (self.ViewModelBoneMods[bonename]) then
						allbones[bonename] = self.ViewModelBoneMods[bonename]
					else
						allbones[bonename] = {
							scale = Vector(1,1,1),
							pos = Vector(0,0,0),
							angle = Angle(0,0,0)
						}
					end
				end

				loopthrough = allbones
			end
			//!! ----------- !! --

			for k, v in pairs( loopthrough ) do
				local bone = vm:LookupBone(k)
				if (!bone) then continue end

				-- // !! WORKAROUND !! --//
				local s = Vector(v.scale.x,v.scale.y,v.scale.z)
				local p = Vector(v.pos.x,v.pos.y,v.pos.z)
				local ms = Vector(1,1,1)
				if (!hasGarryFixedBoneScalingYet) then
					local cur = vm:GetBoneParent(bone)
					while(cur >= 0) do
						local pscale = loopthrough[vm:GetBoneName(cur)].scale
						ms = ms * pscale
						cur = vm:GetBoneParent(cur)
					end
				end

				s = s * ms
				//!! ----------- !! --

				if vm:GetManipulateBoneScale(bone) != s then
					vm:ManipulateBoneScale( bone, s )
				end
				if vm:GetManipulateBoneAngles(bone) != v.angle then
					vm:ManipulateBoneAngles( bone, v.angle )
				end
				if vm:GetManipulateBonePosition(bone) != p then
					vm:ManipulateBonePosition( bone, p )
				end
			end
		else
			self:ResetBonePositions(vm)
		end

	end

	function SWEP:ResetBonePositions(vm)

		if (!vm:GetBoneCount()) then return end
		for i=0, vm:GetBoneCount() do
			vm:ManipulateBoneScale( i, Vector(1, 1, 1) )
			vm:ManipulateBoneAngles( i, Angle(0, 0, 0) )
			vm:ManipulateBonePosition( i, Vector(0, 0, 0) )
		end

	end

	/**************************
		Global utility code
	**************************/

	-- // Fully copies the table, meaning all tables inside this table are copied too and so on (normal table.Copy copies only their reference).
	-- // Does not copy entities of course, only copies their reference.
	-- // WARNING: do not use on tables that contain themselves somewhere down the line or you'll get an infinite loop
	function table.FullCopy( tab )

		if (!tab) then return nil end

		local res = {}
		for k, v in pairs( tab ) do
			if (type(v) == "table") then
				res[k] = table.FullCopy(v) --// recursion ho!
			elseif (type(v) == "Vector") then
				res[k] = Vector(v.x, v.y, v.z)
			elseif (type(v) == "Angle") then
				res[k] = Angle(v.p, v.y, v.r)
			else
				res[k] = v
			end
		end

		return res

	end

end