make net states pointers

sim/group.lua

@@ -4,16 +4,16 @@ local ffi = FFI
 Group = {}
 
 function Group.new()
-	local o = {
+	local net = {
 		-- Logic Critical
-		state = 0,
-		state_num = 0,
+		state = ffi.new("int[1]"),
+		state_num = ffi.new("int[1]"),
 		in_queue = ffi.new("int[1]"),
+		update_tick = ffi.new("int[1]"),
 		gates_update = {},
 		num_gates_update = 0,
 		
 		fxstate = 0,
-		update_tick = 0,
 		
 		wires = {},
 		out_ports = {},
@@ -22,7 +22,11 @@ function Group.new()
 		nout_ports = 0,
 		nin_ports = 0,
 	}
-	return o
+	net.state[0] = 0
+	net.state_num[0] = 0
+	net.in_queue[0] = 0
+	net.update_tick[0] = 0
+	return net
 end
 
 function Group.getsize(group)
@@ -95,7 +99,7 @@ function Group.addport(group, port)
 		
 		group.out_ports[port] = port
 		group.nout_ports = group.nout_ports + 1
-		group.state_num = group.state_num + Port.getstate(port)
+		group.state_num[0] = group.state_num[0] + Port.getstate(port)
 		
 		Simulation.queuegroup_safe(GSim, group)
 		
@@ -121,7 +125,7 @@ function Group.removeport(group, port)
 		group.out_ports[port] = nil
 		group.nout_ports = group.nout_ports - 1
 		
-		group.state_num = group.state_num - Port.getstate(port)
+		group.state_num[0] = group.state_num[0] - Port.getstate(port)
 		
 		Simulation.queuegroup_safe(GSim, group)
 		
@@ -176,11 +180,11 @@ end
 
 -- Logic Critical
 function Group.setstate(group, state)
-	if state ~= group.state then
+	if state ~= group.state[0] then
 		local sim = GSim
 		
-		group.state = state
-		group.update_tick = sim.current_tick
+		group.state[0] = state
+		group.update_tick[0] = sim.current_tick
 		
 		local len = group.num_gates_update
 		for i = 1, len do
@@ -196,7 +200,7 @@ end
 
 -- Logic Critical
 function Group.update(group)
-	Group.setstate(group, group.state_num>0 and 1 or 0)
+	Group.setstate(group, group.state_num[0]>0 and 1 or 0)
 end
 
 function Group.rebuild_ports(group)