From 5c4ebc932d8c02522802c842d43d863d89aca162 Mon Sep 17 00:00:00 2001
From: Apickx <Apickx@cogarr.org>
Date: Mon, 28 Dec 2015 19:10:44 -0500
Subject: Initial commit

---
 gamemode/shared/player_ghost.lua | 97 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 gamemode/shared/player_ghost.lua

(limited to 'gamemode/shared/player_ghost.lua')

diff --git a/gamemode/shared/player_ghost.lua b/gamemode/shared/player_ghost.lua
new file mode 100644
index 0000000..049ede7
--- /dev/null
+++ b/gamemode/shared/player_ghost.lua
@@ -0,0 +1,97 @@
+local meta = FindMetaTable("Player")
+
+if (SERVER) then
+	util.AddNetworkString("Ghost")
+	util.AddNetworkString("GhostRemove")
+
+	function meta:GhostStructure(item)
+		item = GetItemByName(item)
+
+		if (!item or !item.Ghost) then return end
+		if (!self.StructurePlace) then self.StructurePlace = true end
+
+		net.Start("Ghost")
+			net.WriteString(item.Name)
+		net.Send(self)
+	end
+
+	function meta:GhostRemove()
+		self.StructurePlace = false
+		net.Start("GhostRemove") net.Send(self)
+	end
+else
+	local Zero = Vector(0,0,0)
+	local gr   = Color(0,255,0,100)
+	local Box  = Vector(8,8,8)
+
+	net.Receive("Ghost",function()
+		local pl = LocalPlayer()
+		local It = GetItemByName(net.ReadString())
+
+		if (!It) then return end
+		if (!IsValid(pl.Ghost)) then pl.Ghost = ClientsideModel("error.mdl") pl.Ghost:SetNoDraw(true) end
+
+		pl.GhostItem = It
+		pl.StructurePlace = true
+	end)
+
+	net.Receive("GhostRemove",function() LocalPlayer().StructurePlace = false end)
+
+	hook.Add("PostDrawTranslucentRenderables","GhostStructure",function()
+		local pl  	= LocalPlayer()
+
+		if (pl:IsPigeon() or !pl.GhostItem or !pl.GhostItem.Ghost or !IsValid(pl.Ghost) or !pl.StructurePlace) then return end
+
+		local Ghost = pl.Ghost
+		local Aim	= Angle(0,pl:GetAimVector():Angle().y+90,0)
+		local Pos   = util.TraceHull({
+			start 	= pl:GetShootPos(),
+			endpos 	= pl:GetShootPos()+pl:GetAimVector()*pl.GhostItem.Range,
+			filter 	= pl,
+			mins 	= Box*-1,
+			maxs	= Box,
+		})
+
+		local CanP  = pl:CanPlaceStructure(Pos)
+		Pos = Pos.HitPos
+
+		for k,v in pairs(pl.GhostItem.Ghost) do
+			local OffPos = v.Pos*1
+			OffPos:Rotate(Aim)
+
+			Ghost:SetModel(v.Model)
+			Ghost:SetRenderOrigin(Pos+OffPos)
+			Ghost:SetRenderAngles(v.Ang+Aim)
+
+			local mat 	= Matrix()
+			mat:Scale( v.Size or Zero )
+
+			Ghost:EnableMatrix( "RenderMultiply", mat )
+			Ghost:SetupBones()
+
+			if (CanP) then render.SetColorModulation(0,10,0)
+			else render.SetColorModulation(10,0,0) end
+
+			render.SetBlend(0.7)
+				Ghost:DrawModel()
+			render.SetColorModulation(1,1,1)
+			render.SetBlend(1)
+		end
+
+		Ghost:SetRenderOrigin(Pos)
+	end)
+end
+
+function meta:CanPlaceStructure(Tr)
+	if (Tr and Tr.HitPos) then
+		local A 	= util.PointContents( Tr.HitPos )
+		local Ang 	= math.AngleNormalize(Tr.HitNormal:Angle())
+
+		if (A == CONTENTS_WATER or A == CONTENTS_WATER+CONTENTS_TRANSLUCENT ) then return false end
+		if (Ang.p < -120 or Ang.p > -60) then return false end
+
+		--if (!Tr.HitWorld) then return false end
+	end
+
+	return self.StructurePlace
+end
-- 
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