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path: root/gamemode/client/cl_legs.lua
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do return end

--[[
	Made by Valkyrie

	http://facepunch.com/showthread.php?t=1227980&p=38680440&viewfull=1#post38680440

--]]

local Legs = {}
Legs.LegEnt = nil

function ShouldDrawLegs()
	return 	IsValid( Legs.LegEnt ) and
			( LocalPlayer():Alive() or ( LocalPlayer().IsGhosted and LocalPlayer():IsGhosted() ) ) and
			!Legs:CheckDrawVehicle() and
			GetViewEntity() == LocalPlayer() and
			!LocalPlayer():ShouldDrawLocalPlayer() and
			!LocalPlayer():GetObserverTarget() and
			!LocalPlayer().ShouldDisableLegs
end

function GetPlayerLegs( ply )
	return ply and ply != LocalPlayer() and ply or ( ShouldDrawLegs() and Legs.LegEnt or LocalPlayer() )
end

Legs.FixedModelNames = {
	["models/humans/group01/female_06.mdl"] = "models/player/group01/female_06.mdl",
	["models/humans/group01/female_01.mdl"] = "models/player/group01/female_01.mdl",
	["models/alyx.mdl"] = "models/player/alyx.mdl",
	["models/humans/group01/female_07.mdl"] = "models/player/group01/female_07.mdl",
	["models/charple01.mdl"] = "models/player/charple01.mdl",
	["models/humans/group01/female_04.mdl"] = "models/player/group01/female_04.mdl",
	["models/humans/group03/female_06.mdl"] = "models/player/group03/female_06.mdl",
	["models/gasmask.mdl"] = "models/player/gasmask.mdl",
	["models/humans/group01/female_02.mdl"] = "models/player/group01/female_02.mdl",
	["models/gman_high.mdl"] = "models/player/gman_high.mdl",
	["models/humans/group03/male_07.mdl"] = "models/player/group03/male_07.mdl",
	["models/humans/group03/female_03.mdl"] = "models/player/group03/female_03.mdl",
	["models/police.mdl"] = "models/player/police.mdl",
	["models/breen.mdl"] = "models/player/breen.mdl",
	["models/humans/group01/male_01.mdl"] = "models/player/group01/male_01.mdl",
	["models/zombie_soldier.mdl"] = "models/player/zombie_soldier.mdl",
	["models/humans/group01/male_03.mdl"] = "models/player/group01/male_03.mdl",
	["models/humans/group03/female_04.mdl"] = "models/player/group03/female_04.mdl",
	["models/humans/group01/male_02.mdl"] = "models/player/group01/male_02.mdl",
	["models/kleiner.mdl"] = "models/player/kleiner.mdl",
	["models/humans/group03/female_01.mdl"] = "models/player/group03/female_01.mdl",
	["models/humans/group01/male_09.mdl"] = "models/player/group01/male_09.mdl",
	["models/humans/group03/male_04.mdl"] = "models/player/group03/male_04.mdl",
	["models/player/urban.mbl"] = "models/player/urban.mdl",
	["models/humans/group03/male_01.mdl"] = "models/player/group03/male_01.mdl",
	["models/mossman.mdl"] = "models/player/mossman.mdl",
	["models/humans/group01/male_06.mdl"] = "models/player/group01/male_06.mdl",
	["models/humans/group03/female_02.mdl"] = "models/player/group03/female_02.mdl",
	["models/humans/group01/male_07.mdl"] = "models/player/group01/male_07.mdl",
	["models/humans/group01/female_03.mdl"] = "models/player/group01/female_03.mdl",
	["models/humans/group01/male_08.mdl"] = "models/player/group01/male_08.mdl",
	["models/humans/group01/male_04.mdl"] = "models/player/group01/male_04.mdl",
	["models/humans/group03/female_07.mdl"] = "models/player/group03/female_07.mdl",
	["models/humans/group03/male_02.mdl"] = "models/player/group03/male_02.mdl",
	["models/humans/group03/male_06.mdl"] = "models/player/group03/male_06.mdl",
	["models/barney.mdl"] = "models/player/barney.mdl",
	["models/humans/group03/male_03.mdl"] = "models/player/group03/male_03.mdl",
	["models/humans/group03/male_05.mdl"] = "models/player/group03/male_05.mdl",
	["models/odessa.mdl"] = "models/player/odessa.mdl",
	["models/humans/group03/male_09.mdl"] = "models/player/group03/male_09.mdl",
	["models/humans/group01/male_05.mdl"] = "models/player/group01/male_05.mdl",
	["models/humans/group03/male_08.mdl"] = "models/player/group03/male_08.mdl",
	["models/monk.mdl"] = "models/player/monk.mdl",
	["models/eli.mdl"] = "models/player/eli.mdl",
}

function Legs:FixModelName( mdl )
	mdl = mdl:lower()
	return self.FixedModelNames[ mdl ] or mdl
end

function Legs:SetUp()
	self.LegEnt = ClientsideModel( Legs:FixModelName( LocalPlayer():GetModel() ), RENDER_GROUP_OPAQUE_ENTITY )
	self.LegEnt:SetNoDraw( true )
	self.LegEnt:SetSkin( LocalPlayer():GetSkin() )
	self.LegEnt:SetMaterial( LocalPlayer():GetMaterial() )
	self.LegEnt.LastTick = 0
end


Legs.PlaybackRate = 1
Legs.Sequence = nil
Legs.Velocity = 0
Legs.OldWeapon = nil
Legs.HoldType = nil

Legs.BoneHoldTypes = { ["none"] = {
							"ValveBiped.Bip01_Head1",
							"ValveBiped.Bip01_Neck1",
							"ValveBiped.Bip01_Spine4",
							"ValveBiped.Bip01_Spine2",
						},
						["default"] = {
							"ValveBiped.Bip01_Head1",
							"ValveBiped.Bip01_Neck1",
							"ValveBiped.Bip01_Spine4",
							"ValveBiped.Bip01_Spine2",
							"ValveBiped.Bip01_L_Hand",
							"ValveBiped.Bip01_L_Forearm",
							"ValveBiped.Bip01_L_Upperarm",
							"ValveBiped.Bip01_L_Clavicle",
							"ValveBiped.Bip01_R_Hand",
							"ValveBiped.Bip01_R_Forearm",
							"ValveBiped.Bip01_R_Upperarm",
							"ValveBiped.Bip01_R_Clavicle",
							"ValveBiped.Bip01_L_Finger4",
							"ValveBiped.Bip01_L_Finger41",
							"ValveBiped.Bip01_L_Finger42",
							"ValveBiped.Bip01_L_Finger3",
							"ValveBiped.Bip01_L_Finger31",
							"ValveBiped.Bip01_L_Finger32",
							"ValveBiped.Bip01_L_Finger2",
							"ValveBiped.Bip01_L_Finger21",
							"ValveBiped.Bip01_L_Finger22",
							"ValveBiped.Bip01_L_Finger1",
							"ValveBiped.Bip01_L_Finger11",
							"ValveBiped.Bip01_L_Finger12",
							"ValveBiped.Bip01_L_Finger0",
							"ValveBiped.Bip01_L_Finger01",
							"ValveBiped.Bip01_L_Finger02",
							"ValveBiped.Bip01_R_Finger4",
							"ValveBiped.Bip01_R_Finger41",
							"ValveBiped.Bip01_R_Finger42",
							"ValveBiped.Bip01_R_Finger3",
							"ValveBiped.Bip01_R_Finger31",
							"ValveBiped.Bip01_R_Finger32",
							"ValveBiped.Bip01_R_Finger2",
							"ValveBiped.Bip01_R_Finger21",
							"ValveBiped.Bip01_R_Finger22",
							"ValveBiped.Bip01_R_Finger1",
							"ValveBiped.Bip01_R_Finger11",
							"ValveBiped.Bip01_R_Finger12",
							"ValveBiped.Bip01_R_Finger0",
							"ValveBiped.Bip01_R_Finger01",
							"ValveBiped.Bip01_R_Finger02"
						},
						["vehicle"] = {
							"ValveBiped.Bip01_Head1",
							"ValveBiped.Bip01_Neck1",
							"ValveBiped.Bip01_Spine4",
							"ValveBiped.Bip01_Spine2",
						}
					}

Legs.BonesToRemove = {}
Legs.BoneMatrix = nil

function Legs:WeaponChanged( weap )
	if IsValid( self.LegEnt ) then
		if IsValid( weap ) then
			self.HoldType = weap:GetHoldType()
		else
			self.HoldType = "none"
		end

		for boneId = 0, self.LegEnt:GetBoneCount() do
			self.LegEnt:ManipulateBoneScale(boneId, Vector(1,1,1))
			self.LegEnt:ManipulateBonePosition(boneId, Vector(0,0,0))
		end

		Legs.BonesToRemove = {
			"ValveBiped.Bip01_Head1"
		}
		if !LocalPlayer():InVehicle() then
			Legs.BonesToRemove = Legs.BoneHoldTypes[ Legs.HoldType ] or Legs.BoneHoldTypes[ "default" ]
		else
			Legs.BonesToRemove = Legs.BoneHoldTypes[ "vehicle" ]
		end
		for _, v in pairs( Legs.BonesToRemove ) do
			local boneId = self.LegEnt:LookupBone(v)
			if boneId then
				self.LegEnt:ManipulateBoneScale(boneId, vector_origin)
				self.LegEnt:ManipulateBonePosition(boneId, Vector(-10,-10,0))
			end
		end
	end
end

Legs.BreathScale = 0.5
Legs.NextBreath = 0

function Legs:Think( maxseqgroundspeed )
	if IsValid( self.LegEnt ) then
		if LocalPlayer():GetActiveWeapon() != self.OldWeapon then
			self.OldWeapon = LocalPlayer():GetActiveWeapon()
			self:WeaponChanged( self.OldWeapon )
		end

		if self.LegEnt:GetModel() != self:FixModelName( LocalPlayer():GetModel() ) then
			self.LegEnt:SetModel( self:FixModelName( LocalPlayer():GetModel() ) )
		end

		self.LegEnt:SetMaterial( LocalPlayer():GetMaterial() )
		self.LegEnt:SetSkin( LocalPlayer():GetSkin() )

		self.Velocity = LocalPlayer():GetVelocity():Length2D()

		self.PlaybackRate = 1

		if self.Velocity > 0.5 then
			if maxseqgroundspeed < 0.001 then
				self.PlaybackRate = 0.01
			else
				self.PlaybackRate = self.Velocity / maxseqgroundspeed
				self.PlaybackRate = math.Clamp( self.PlaybackRate, 0.01, 10 )
			end
		end

		self.LegEnt:SetPlaybackRate( self.PlaybackRate )

		self.Sequence = LocalPlayer():GetSequence()

		if ( self.LegEnt.Anim != self.Sequence ) then
			self.LegEnt.Anim = self.Sequence
			self.LegEnt:ResetSequence( self.Sequence )
		end

		self.LegEnt:FrameAdvance( CurTime() - self.LegEnt.LastTick )
		self.LegEnt.LastTick = CurTime()

		Legs.BreathScale = sharpeye and sharpeye.GetStamina and math.Clamp( math.floor( sharpeye.GetStamina() * 5 * 10 ) / 10, 0.5, 5 ) or 0.5

		if Legs.NextBreath <= CurTime() then
			Legs.NextBreath = CurTime() + 1.95 / Legs.BreathScale
			self.LegEnt:SetPoseParameter( "breathing", Legs.BreathScale )
		end

		self.LegEnt:SetPoseParameter( "move_x", ( LocalPlayer():GetPoseParameter( "move_x" ) * 2 ) - 1 )
		self.LegEnt:SetPoseParameter( "move_y", ( LocalPlayer():GetPoseParameter( "move_y" ) * 2 ) - 1 )
		self.LegEnt:SetPoseParameter( "move_yaw", ( LocalPlayer():GetPoseParameter( "move_yaw" ) * 360 ) - 180 )
		self.LegEnt:SetPoseParameter( "body_yaw", ( LocalPlayer():GetPoseParameter( "body_yaw" ) * 180 ) - 90 )
		self.LegEnt:SetPoseParameter( "spine_yaw",( LocalPlayer():GetPoseParameter( "spine_yaw" ) * 180 ) - 90 )

		if ( LocalPlayer():InVehicle() ) then
			self.LegEnt:SetColor( color_transparent )
			self.LegEnt:SetPoseParameter( "vehicle_steer", ( LocalPlayer():GetVehicle():GetPoseParameter( "vehicle_steer" ) * 2 ) - 1 )
		end
	end
end

hook.Add( "UpdateAnimation", "Legs:UpdateAnimation", function( ply, velocity, maxseqgroundspeed )
	if ply == LocalPlayer() then
		if IsValid( Legs.LegEnt ) then
			Legs:Think( maxseqgroundspeed )
		else
			Legs:SetUp()
		end
	end
end )

Legs.RenderAngle = nil
Legs.BiaisAngle = nil
Legs.RadAngle = nil
Legs.RenderPos = nil
Legs.RenderColor = {}
Legs.ClipVector = vector_up * -1
Legs.ForwardOffset = -24

function Legs:CheckDrawVehicle()
	return LocalPlayer():InVehicle()
end

hook.Add( "RenderScreenspaceEffects", "Legs:Render", function()
	cam.Start3D( EyePos(), EyeAngles() )
		if ShouldDrawLegs() then

			Legs.RenderPos = LocalPlayer():GetPos()
			if LocalPlayer():InVehicle() then
				Legs.RenderAngle = LocalPlayer():GetVehicle():GetAngles()
				Legs.RenderAngle:RotateAroundAxis( Legs.RenderAngle:Up(), 90 )
			else
				Legs.BiaisAngles = sharpeye_focus and sharpeye_focus.GetBiaisViewAngles and sharpeye_focus:GetBiaisViewAngles() or LocalPlayer():EyeAngles()
				Legs.RenderAngle = Angle( 0, Legs.BiaisAngles.y, 0 )
				Legs.RadAngle = math.rad( Legs.BiaisAngles.y )
				Legs.ForwardOffset = -22
				Legs.RenderPos.x = Legs.RenderPos.x + math.cos( Legs.RadAngle ) * Legs.ForwardOffset
				Legs.RenderPos.y = Legs.RenderPos.y + math.sin( Legs.RadAngle ) * Legs.ForwardOffset

				if LocalPlayer():GetGroundEntity() == NULL then
					Legs.RenderPos.z = Legs.RenderPos.z + 8
					if LocalPlayer():KeyDown( IN_DUCK ) then
						Legs.RenderPos.z = Legs.RenderPos.z - 28
					end
				end
			end

			Legs.RenderColor = LocalPlayer():GetColor()

			local bEnabled = render.EnableClipping( true )
				render.PushCustomClipPlane( Legs.ClipVector, Legs.ClipVector:Dot( EyePos() ) )
					render.SetColorModulation( Legs.RenderColor.r / 255, Legs.RenderColor.g / 255, Legs.RenderColor.b / 255 )
						render.SetBlend( Legs.RenderColor.a / 255 )
							hook.Call( "PreLegsDraw", GAMEMODE, Legs.LegEnt )
								Legs.LegEnt:SetRenderOrigin( Legs.RenderPos )
								Legs.LegEnt:SetRenderAngles( Legs.RenderAngle )
								Legs.LegEnt:SetupBones()
								Legs.LegEnt:DrawModel()
								Legs.LegEnt:SetRenderOrigin()
								Legs.LegEnt:SetRenderAngles()
							hook.Call( "PostLegsDraw", GAMEMODE, Legs.LegEnt )
						render.SetBlend( 1 )
					render.SetColorModulation( 1, 1, 1 )
				render.PopCustomClipPlane()
			render.EnableClipping( bEnabled )
		end
	cam.End3D()
end )