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gamemodes/sandbox/entities/weapons/gmod_tool/object.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/
+--]]
+
+
+function ToolObj:UpdateData()
+
+	self:SetStage( self:NumObjects() )
+
+end
+
+function ToolObj:SetStage( i )
+
+	if ( SERVER ) then
+		self:GetWeapon():SetNWInt( "Stage", i )
+	end
+
+end
+
+function ToolObj:GetStage()
+	return self:GetWeapon():GetNWInt( "Stage", 0 )
+end
+
+function ToolObj:SetOperation( i )
+
+	if ( SERVER ) then
+		self:GetWeapon():SetNWInt( "Op", i )
+	end
+
+end
+
+function ToolObj:GetOperation()
+	return self:GetWeapon():GetNWInt( "Op", 0 )
+end
+
+
+-- Clear the selected objects
+function ToolObj:ClearObjects()
+
+	self:ReleaseGhostEntity()
+	self.Objects = {}
+	self:SetStage( 0 )
+	self:SetOperation( 0 )
+
+end
+
+--[[---------------------------------------------------------
+	Since we're going to be expanding this a lot I've tried
+	to add accessors for all of this crap to make it harder
+	for us to mess everything up.
+-----------------------------------------------------------]]
+function ToolObj:GetEnt( i )
+
+	if ( !self.Objects[i] ) then return NULL end
+
+	return self.Objects[i].Ent
+end
+
+
+--[[---------------------------------------------------------
+	Returns the world position of the numbered object hit
+	We store it as a local vector then convert it to world
+	That way even if the object moves it's still valid
+-----------------------------------------------------------]]
+function ToolObj:GetPos( i )
+
+	if ( self.Objects[i].Ent:EntIndex() == 0 ) then
+		return self.Objects[i].Pos
+	else
+		if ( IsValid( self.Objects[i].Phys ) ) then
+			return self.Objects[i].Phys:LocalToWorld( self.Objects[i].Pos )
+		else
+			return self.Objects[i].Ent:LocalToWorld( self.Objects[i].Pos )
+		end
+	end
+
+end
+
+-- Returns the local position of the numbered hit
+function ToolObj:GetLocalPos( i )
+	return self.Objects[i].Pos
+end
+
+-- Returns the physics bone number of the hit (ragdolls)
+function ToolObj:GetBone( i )
+	return self.Objects[i].Bone
+end
+
+function ToolObj:GetNormal( i )
+	if ( self.Objects[i].Ent:EntIndex() == 0 ) then
+		return self.Objects[i].Normal
+	else
+		local norm
+		if ( IsValid( self.Objects[i].Phys ) ) then
+			norm = self.Objects[i].Phys:LocalToWorld( self.Objects[i].Normal )
+		else
+			norm = self.Objects[i].Ent:LocalToWorld( self.Objects[i].Normal )
+		end
+
+		return norm - self:GetPos( i )
+	end
+end
+
+-- Returns the physics object for the numbered hit
+function ToolObj:GetPhys( i )
+
+	if ( self.Objects[i].Phys == nil ) then
+		return self:GetEnt( i ):GetPhysicsObject()
+	end
+
+	return self.Objects[i].Phys
+end
+
+
+-- Sets a selected object
+function ToolObj:SetObject( i, ent, pos, phys, bone, norm )
+
+	self.Objects[i] = {}
+	self.Objects[i].Ent = ent
+	self.Objects[i].Phys = phys
+	self.Objects[i].Bone = bone
+	self.Objects[i].Normal = norm
+
+	-- Worldspawn is a special case
+	if ( ent:EntIndex() == 0 ) then
+
+		self.Objects[i].Phys = nil
+		self.Objects[i].Pos = pos
+
+	else
+
+		norm = norm + pos
+
+		-- Convert the position to a local position - so it's still valid when the object moves
+		if ( IsValid( phys ) ) then
+			self.Objects[i].Normal = self.Objects[i].Phys:WorldToLocal( norm )
+			self.Objects[i].Pos = self.Objects[i].Phys:WorldToLocal( pos )
+		else
+			self.Objects[i].Normal = self.Objects[i].Ent:WorldToLocal( norm )
+			self.Objects[i].Pos = self.Objects[i].Ent:WorldToLocal( pos )
+		end
+
+	end
+
+	-- TODO: Make sure the client got the same info
+
+end
+
+
+-- Returns the number of objects in the list
+function ToolObj:NumObjects()
+
+	if ( CLIENT ) then
+
+		return self:GetStage()
+
+	end
+
+	return #self.Objects
+
+end
+
+
+-- Returns the number of objects in the list
+function ToolObj:GetHelpText()
+
+	return "#tool." .. GetConVarString( "gmod_toolmode" ) .. "." .. self:GetStage()
+
+end