From 454f358ec297a025867778550a1ad7e6b0ec6a44 Mon Sep 17 00:00:00 2001
From: Alexander Pickering <alexandermpickering@gmail.com>
Date: Sun, 14 Jan 2018 15:40:59 -0500
Subject: Allow players to move props easier

Added code to the hands weapons that allows players to move props easier
---
 entities/weapons/hands.lua | 75 +++++++++++++++++++++++++++++++++++++---------
 1 file changed, 61 insertions(+), 14 deletions(-)

diff --git a/entities/weapons/hands.lua b/entities/weapons/hands.lua
index 8d97ab7..7b5c042 100644
--- a/entities/weapons/hands.lua
+++ b/entities/weapons/hands.lua
@@ -35,34 +35,81 @@ end
 SWEP.Pickup = nil
 SWEP.PickupAngles = Angle(0,0,0)
 SWEP.PickupOffset = 100
+
+local buildzones = {
+	["artery_shipyard"] = true,
+}
 function SWEP:DefaultPickup()
+	print("Default pickup fired, self.pickup is", self.Pickup)
+	local zc = self.Owner:GetCurrentZone()
+	local building = zc != nil and buildzones[zc] != nil
 	if self.Pickup == nil then
 		local tr = self.Owner:GetEyeTrace()
 		local dist = self.Owner:GetPos():Distance(tr.HitPos)
-		if dist < 100 and tr.Entity.GetMass and tr.Entity:GetMass() < 100 then
+		local mass = -1
+		pcall(function()
+			mass = tr.Entity:GetPhysicsObject():GetMass()
+		end,function()
+			print("Failed to get mass")
+		end)
+
+		if building or (dist < 100 and mass != -1 and mass < 400) then
+			self.OldMass = mass
 			self.Pickup = tr.Entity
-			self.PickupAngles = tr.Entity:GetAngles()
+			self.PickupAngles = tr.Entity:GetAngles() - self.Owner:EyeAngles()
 			self.PickupOffset = dist
+			tr.Entity:GetPhysicsObject():SetMass(3)
+			tr.Entity:GetPhysicsObject():EnableCollisions(false)
+		else
+			print("dist is:" ,dist)
+			if tr.Entity.GetMass then
+				print("Mass is", tr.Entity:GetMass())
+			else
+				print("Ent does not have mass!", mass)
+			end
+			print("Could not pick that up")
 		end
 	else
+		if IsValid(self.Pickup) and zc != nil and buildzones[zc.class] then
+			--self.Pickup:GetPhysicsObject():EnableMotion(false)
+		end
+		self.Pickup:GetPhysicsObject():SetMass(self.OldMass)
+		self.Pickup:GetPhysicsObject():EnableCollisions(true)
 		self.Pickup = nil
 	end
 end
 
 function SWEP:Tick()
-	if self.Pickup ~= nil then
-
-		--Set position
-		local targetpos = (self.Owner:EyeAngles():Forward() * self.PickupOffset * 2) + self.Owner:GetPos() + Vector(0,0,64)
-		local deltavel = targetpos - (self.Pickup:GetPos() + self.Pickup:GetVelocity())
-		local clampvel = Vector(math.Clamp(deltavel.x,-100,100),math.Clamp(deltavel.y,-100,100),math.Clamp(deltavel.z,-100,100))
-		self.Pickup:GetPhysicsObject():SetVelocity(clampvel)
-
-		--Set angles
+	if self.Pickup ~= nil and IsValid(self.Pickup) then
+		local crouchadd
+		if self.Owner:Crouching() then
+			crouchadd = Vector(0,0,32)
+		else
+			crouchadd = Vector(0,0,64)
+		end
+		local targetpos = (self.Owner:EyeAngles():Forward() * self.PickupOffset * 2) + self.Owner:GetPos() + crouchadd
 		local targetang = self.Owner:EyeAngles() + self.PickupAngles
-		local angvel = self.Pickup:GetAngles() - targetang
-		local deltaang = self.Pickup:GetPhysicsObject():GetAngleVelocity() - angvel:Forward()
-		self.Pickup:GetPhysicsObject():AddAngleVelocity(angvel:Forward())
+		--Check if we're inside a build zone
+		local zc = self.Owner:GetCurrentZone()
+		if zc != nil and zc.class == "artery_shipyard" then
+			self.Pickup:SetPos(targetpos)
+			self.Pickup:SetAngles(targetang)
+		else
+
+			--Set position
+			local pow = 100
+			local deltavel = targetpos - (self.Pickup:GetPos() + (self.Pickup:GetVelocity() / pow))
+			local vlim = 100000
+			local clampvel = Vector(math.Clamp(deltavel.x,-vlim,vlim),math.Clamp(deltavel.y,-vlim,vlim),math.Clamp(deltavel.z,-vlim,vlim))
+			local speed = 20
+			self.Pickup:GetPhysicsObject():SetVelocity(clampvel * speed)
+
+			--Set angles
+			local angvel = self.Pickup:GetAngles() - targetang
+			local deltaang = self.Pickup:GetPhysicsObject():GetAngleVelocity() - angvel:Forward()
+			self.Pickup:SetAngles(targetang)
+			--self.Pickup:GetPhysicsObject():AddAngleVelocity(angvel:Forward())
+		end
 	end
 end
 
-- 
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