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lua/includes/gmsave/physics.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/
+--]]
+
+
+--
+-- Creates a save table for a single entity
+--
+function gmsave.PhysicsSave( ent )
+
+	if ( ent:GetPhysicsObjectCount() == 0 ) then return end
+
+	local tab = {}
+
+	for k = 0, ent:GetPhysicsObjectCount() - 1 do
+
+		local obj = ent:GetPhysicsObjectNum( k )
+
+		tab[ k ] = {}
+		tab[ k ].origin = tostring( obj:GetPos() )
+		tab[ k ].angles = tostring( obj:GetAngles() )
+		tab[ k ].mass = tostring( obj:GetMass() )
+		tab[ k ].material = tostring( obj:GetMaterial() )
+		if ( !obj:IsMotionEnabled() ) then tab[ k ].frozen = 1 end
+		if ( !obj:IsCollisionEnabled() ) then tab[ k ].nocollide = 1 end
+		if ( !obj:IsGravityEnabled() ) then tab[ k ].nogravity = 1 end
+		if ( !obj:IsDragEnabled() ) then tab[ k ].nodrag = 1 end
+
+	end
+
+	return tab
+
+end
+
+--
+-- Creates a save table from a table of entities
+--
+function gmsave.PhysicsSaveList( ents )
+
+	local tabPhys = {}
+
+	for k, v in pairs( ents ) do
+
+		if ( !IsValid( v ) ) then continue end
+
+		tabPhys[ v.GMSaveName ] = gmsave.PhysicsSave( v )
+		if ( tabPhys[ v.GMSaveName ] ) then
+			tabPhys[ v.GMSaveName ].entity = v.GMSaveName
+		end
+
+	end
+
+	return tabPhys
+
+end
+
+--
+-- Creates a single entity from a table
+--
+function gmsave.PhysicsLoad( t, ent )
+
+	for k = 0, ent:GetPhysicsObjectCount() - 1 do
+
+		local tab = t[ k ]
+		if ( !tab ) then continue end
+
+		local obj = ent:GetPhysicsObjectNum( k )
+		if ( !IsValid( obj ) ) then continue end
+
+		obj:SetPos( Vector( tab.origin ) )
+		obj:SetAngles( Angle( tab.angles ) )
+		obj:SetMass( tab.mass )
+		obj:SetMaterial( tab.material )
+
+		if ( tab.frozen ) then obj:EnableMotion( false ) end
+		if ( tab.nocollide ) then obj:EnableCollisions( false ) end
+		if ( tab.nogravity ) then obj:EnableGravity( false ) end
+		if ( tab.nodrag ) then obj:EnableDrag( false ) end
+
+	end
+
+end
+
+--
+-- Restores multiple entitys from a table
+--
+function gmsave.PhysicsLoadFromTable( tab, ents )
+
+	if ( !tab ) then return end
+
+	for k, v in pairs( tab ) do
+
+		local ent = ents[ k ]
+		if ( !IsValid( ent ) ) then continue end
+
+		gmsave.PhysicsLoad( v, ent )
+
+	end
+
+end