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lua/vgui/fingervar.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/
+--]]
+
+
+local ConVar_RestrictFingers = CreateClientConVar( "finger_restrict", "1", false, false, "Whether to restrict non-root Fingerposer sliders to the Y axis only." )
+
+local PANEL = {}
+
+local MAX_ANGLE_X = 100
+local MAX_ANGLE_Y = 100
+
+function PANEL:Init()
+
+	self.Value = { 0, 0 }
+	self.UpdateTimer = 0
+	self.LastShiftState = false
+
+	-- Don't update convars straight away.
+	self.NextUpdate = CurTime() + 0.5
+
+	-- The parent will feed mouse presses to us
+	self:SetMouseInputEnabled( false )
+
+	self:SetSize( 48, 48 )
+
+end
+
+function PANEL:SetVarName( _name_ )
+
+	self.VarName = _name_
+
+end
+
+function PANEL:SetRestrictX( bRestrict )
+
+	self.RestrictX = bRestrict
+
+end
+
+function PANEL:IsRestricted()
+
+	return self.RestrictX && ConVar_RestrictFingers:GetBool()
+
+end
+
+function PANEL:GetValue()
+
+	return { self.Value[1] / MAX_ANGLE_X, self.Value[2] / MAX_ANGLE_Y }
+
+end
+
+function PANEL:UpdateConVar()
+
+	if ( !self.VarName ) then return end
+	if ( self.NextUpdate > CurTime() ) then return end
+
+	local Val = Format( "%.2f %.2f", self.Value[1], self.Value[2] )
+	RunConsoleCommand( self.VarName, Val )
+
+end
+
+function PANEL:SetValue( x, y )
+
+	x = math.Clamp( x, -0.5, 0.5 ) * MAX_ANGLE_X
+	y = math.Clamp( y, -0.5, 0.5 ) * MAX_ANGLE_Y
+
+	if ( self:IsRestricted() ) then x = 0 end
+
+	self.Value = { x, y }
+
+end
+
+function PANEL:OnMousePressed( mousecode )
+
+	if ( mousecode == MOUSE_RIGHT || mousecode == MOUSE_MIDDLE ) then
+		self:SetValue( 0, 0 )
+		self:UpdateConVar()
+
+		return
+	end
+
+	self:SetMouseInputEnabled( true )
+	self:MouseCapture( true )
+	self.Dragging = true
+	self:GetParent().Dragging = true
+
+	self:OnCursorMoved( self:LocalCursorPos() )
+
+end
+
+function PANEL:OnMouseReleased( mousecode )
+
+	self:MouseCapture( false )
+	self.Dragging = nil
+	self:SetMouseInputEnabled( false )
+	self:GetParent().Dragging = false
+
+end
+
+function PANEL:OnCursorMoved( x, y )
+
+	if ( !self.Dragging ) then return end
+
+	local w = self:GetWide()
+	local h = self:GetTall()
+
+	-- If holding shift, give double the "precision"
+	if ( input.IsShiftDown() ) then
+		x = x / 2 + w / 4
+		y = y / 2 + h / 4
+	end
+
+	self:SetValue( ( x / w ) - 0.5, ( y / h ) - 0.5 )
+	self:UpdateConVar()
+
+end
+
+function PANEL:Think()
+
+	-- Update shift state change when cursor not moving
+	if ( self.Dragging && self.LastShiftState != input.IsShiftDown() ) then
+
+		self.LastShiftState = input.IsShiftDown()
+		self:OnCursorMoved( self:LocalCursorPos() )
+
+	end
+
+	if ( self.UpdateTimer > CurTime() ) then return end
+	self.UpdateTimer = CurTime() + 0.1
+
+	local Value = string.Explode( " ", GetConVarString( self.VarName ) )
+
+	self.Value[1] = tonumber( Value[1] )
+	self.Value[2] = tonumber( Value[2] )
+
+end
+
+function PANEL:Paint( w, h )
+
+	-- This part is dirty, the whole fingerposer needs redoing, it's messy
+	local wep = LocalPlayer():GetWeapon( "gmod_tool" )
+	if ( !IsValid( wep ) ) then return end
+
+	local ent = wep:GetNWEntity( "HandEntity" )
+	if ( !IsValid( ent ) || !ent.FingerIndex ) then return end
+
+	local boneid = ent.FingerIndex[ tonumber( self.VarName:sub( 8 ) ) + 1 + 15 * wep:GetNWInt( "HandNum", 0 ) ]
+	if ( !boneid || ent:GetBoneName( boneid ) == "__INVALIDBONE__" ) then return end
+
+	local v = self:GetValue()
+
+	local x = ( v[1] * w ) + w / 2
+	local y = ( v[2] * h ) + h / 2
+
+	x = math.Clamp( x, 3, w - 3 )
+	y = math.Clamp( y, 3, h - 3 )
+
+	surface.SetDrawColor( 0, 0, 0, 250 )
+	if ( self.HoveredFingerVar ) then surface.SetDrawColor( 255, 255, 255, 255 ) end
+	surface.DrawLine( x, y, w / 2, h / 2 )
+	surface.DrawRect( w / 2 - 1, h / 2 - 1, 2, 2 )
+	surface.DrawRect( x - 3, y - 3, 6, 6 )
+
+	surface.SetDrawColor( 255, 255, 0, 255 )
+	if ( self:IsRestricted() ) then surface.SetDrawColor( 30, 180, 255, 255 ) end
+	surface.DrawRect( x - 2, y - 2, 4, 4 )
+
+end
+
+vgui.Register( "FingerVar", PANEL, "Panel" )