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wnsrc/lua/includes/modules/properties.lua
lifestorm 94063e4369 Upload
2024-08-04 22:55:00 +03:00

265 lines
6.7 KiB
Lua

--[[
| 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/
--]]
module( "properties", package.seeall )
local meta = {
MsgStart = function( self )
net.Start( "properties" )
net.WriteString( self.InternalName )
end,
MsgEnd = function( self )
net.SendToServer()
end
}
meta.__index = meta
List = {}
-- .MenuLabel [string] Label to show on opened menu
-- .Filter( ent ) [function] Return true if we should show a menu for this entity
-- .Action( ent ) [function] On menu choice selected
-- .Order [int] The order in which it should be shown on the menu
-- .Receive( len, ply ) [function] A message has been received from the clientside version
function Add( name, tab )
name = name:lower()
tab.InternalName = name
setmetatable( tab, meta )
List[ name ] = tab
end
local function AddToggleOption( data, menu, ent, ply, tr )
if ( !menu.ToggleSpacer ) then
menu.ToggleSpacer = menu:AddSpacer()
menu.ToggleSpacer:SetZPos( 500 )
end
local option = menu:AddOption( data.MenuLabel, function() data:Action( ent, tr ) end )
option:SetChecked( data:Checked( ent, ply ) )
option:SetZPos( 501 )
return option
end
local function AddOption( data, menu, ent, ply, tr )
if ( data.Type == "toggle" ) then return AddToggleOption( data, menu, ent, ply, tr ) end
if ( data.PrependSpacer ) then
menu:AddSpacer()
end
local option = menu:AddOption( data.MenuLabel, function() data:Action( ent, tr ) end )
if ( data.MenuIcon ) then
option:SetImage( data.MenuIcon )
end
if ( data.MenuOpen ) then
data.MenuOpen( data, option, ent, tr )
end
return option
end
function OpenEntityMenu( ent, tr )
local menu = DermaMenu()
for k, v in SortedPairsByMemberValue( List, "Order" ) do
if ( !v.Filter ) then continue end
if ( !v:Filter( ent, LocalPlayer() ) ) then continue end
local option = AddOption( v, menu, ent, LocalPlayer(), tr )
if ( v.OnCreate ) then v:OnCreate( menu, option ) end
end
menu:Open()
end
function OnScreenClick( eyepos, eyevec )
local ent, tr = GetHovered( eyepos, eyevec )
if ( !IsValid( ent ) ) then return end
OpenEntityMenu( ent, tr )
end
-- Use this check in your properties to see if given entity can be affected by it
-- Ideally this should be done automatically for you, but due to how this system was set up, its now impossible
function CanBeTargeted( ent, ply )
if ( !IsValid( ent ) ) then return false end
if ( ent:IsPlayer() ) then return false end
-- Check the range if player object is given
-- This is not perfect, but it is close enough and its definitely better than nothing
if ( IsValid( ply ) ) then
local mins = ent:OBBMins()
local maxs = ent:OBBMaxs()
local maxRange = math.max( math.abs( mins.x ) + maxs.x, math.abs( mins.y ) + maxs.y, math.abs( mins.z ) + maxs.z )
local pos = ent:LocalToWorld( ent:OBBCenter() ) --ent:GetPos()
if ( pos:Distance( ply:GetShootPos() ) > maxRange + 1024 ) then return false end
end
return !( ent:GetPhysicsObjectCount() < 1 && ent:GetSolid() == SOLID_NONE && bit.band( ent:GetSolidFlags(), FSOLID_USE_TRIGGER_BOUNDS ) == 0 && bit.band( ent:GetSolidFlags(), FSOLID_CUSTOMRAYTEST ) == 0 )
end
function GetHovered( eyepos, eyevec )
local ply = LocalPlayer()
local filter = ply:GetViewEntity()
if ( filter == ply ) then
local veh = ply:GetVehicle()
if ( veh:IsValid() && ( !veh:IsVehicle() || !veh:GetThirdPersonMode() ) ) then
-- A dirty hack for prop_vehicle_crane. util.TraceLine returns the vehicle but it hits phys_bone_follower - something that needs looking into
filter = { filter, veh, unpack( ents.FindByClass( "phys_bone_follower" ) ) }
end
end
local trace = util.TraceLine( {
start = eyepos,
endpos = eyepos + eyevec * 1024,
filter = filter
} )
-- Hit COLLISION_GROUP_DEBRIS and stuff
if ( !trace.Hit || !IsValid( trace.Entity ) ) then
trace = util.TraceLine( {
start = eyepos,
endpos = eyepos + eyevec * 1024,
filter = filter,
mask = MASK_ALL
} )
end
if ( !trace.Hit || !IsValid( trace.Entity ) ) then return end
return trace.Entity, trace
end
-- Receives commands from clients
if ( SERVER ) then
util.AddNetworkString( "properties" )
net.Receive( "properties", function( len, client )
if ( !IsValid( client ) ) then return end
local name = net.ReadString()
if ( !name ) then return end
local prop = List[ name ]
if ( !prop ) then return end
if ( !prop.Receive ) then return end
prop:Receive( len, client )
end )
end
if ( CLIENT ) then
local lastEyePos = vector_origin
local function UpdateEyePos()
-- A bit of a hack due to EyePos() being affected by other rendering functions
-- So we cache the value when we know it is the correct value for the frame
lastEyePos = EyePos()
end
hook.Add( "PreDrawHalos", "PropertiesHover", function()
if ( !IsValid( vgui.GetHoveredPanel() ) || !vgui.GetHoveredPanel():IsWorldClicker() ) then return end
UpdateEyePos()
local ent = GetHovered( lastEyePos, LocalPlayer():GetAimVector() )
if ( !IsValid( ent ) ) then return end
local c = Color( 255, 255, 255, 255 )
c.r = 200 + math.sin( RealTime() * 50 ) * 55
c.g = 200 + math.sin( RealTime() * 20 ) * 55
c.b = 200 + math.cos( RealTime() * 60 ) * 55
local t = { ent }
if ( ent.GetActiveWeapon && IsValid( ent:GetActiveWeapon() ) ) then table.insert( t, ent:GetActiveWeapon() ) end
halo.Add( t, c, 2, 2, 2, true, false )
end )
hook.Add( "PreDrawEffects", "PropertiesUpdateEyePos", function()
UpdateEyePos()
end )
hook.Add( "GUIMousePressed", "PropertiesClick", function( code, vector )
if ( !IsValid( vgui.GetHoveredPanel() ) || !vgui.GetHoveredPanel():IsWorldClicker() ) then return end
if ( code == MOUSE_RIGHT && !input.IsButtonDown( MOUSE_LEFT ) ) then
OnScreenClick( lastEyePos, vector )
end
end )
local wasPressed = false
hook.Add( "PreventScreenClicks", "PropertiesPreventClicks", function()
if ( !input.IsButtonDown( MOUSE_RIGHT ) ) then wasPressed = false end
if ( wasPressed && input.IsButtonDown( MOUSE_RIGHT ) && !input.IsButtonDown( MOUSE_LEFT ) ) then return true end
if ( !IsValid( vgui.GetHoveredPanel() ) || !vgui.GetHoveredPanel():IsWorldClicker() ) then return end
local ply = LocalPlayer()
if ( !IsValid( ply ) ) then return end
--
-- Are we pressing the right mouse button?
-- (We check whether we're pressing the left too, to allow for physgun freezes)
--
if ( input.IsButtonDown( MOUSE_RIGHT ) && !input.IsButtonDown( MOUSE_LEFT ) ) then
--
-- Are we hovering an entity? If so, then stomp the action
--
local hovered = GetHovered( lastEyePos, ply:GetAimVector() )
if ( IsValid( hovered ) ) then
wasPressed = true
return true
end
end
end )
end