make nets keep list of updated gates instead of ports

sim/compile.lua

@@ -2,36 +2,68 @@
 local ffi = FFI or require("ffi")
 Simulation = Simulation or {}
 
+ffi.cdef[[
+	struct Wire {
+		int objref;
+		int layer;
+		struct Net* group;
+		int bounds[6];
+	};
+	
+	struct Port {
+		bool state;
+		char type;
+		struct Gate* gate;
+		struct Net* group;
+	};
+	
+	struct Gate {
+		int logic_ref;
+		bool in_queue;
+		struct Port ports[?];
+	};
+	
+	struct Net {
+		bool state;
+		bool in_queue;
+		int updatetick;
+		int state_num;
+		int num_gates_update;
+		struct Gate* gates_update[?];
+	};
+]]
+
 function Simulation.compile(sim)
 	-- assemble a list of all nets
 	local all_nets = {}
-	for wire_idx, wire in pairs(sim.wires) do
+	local all_nets_t = {}
+	for k, wire in pairs(sim.wires) do
 		local net = Wire.getgroup(wire)
-		all_nets[net] = net
+		all_nets_t[net] = net
 	end
 	local num_nets = 0
-	for net_id, net in pairs(all_nets) do
-		num_nets = num_nets+1
+	for net_id, net in pairs(all_nets_t) do
+		table.insert(all_nets, net)
+	end
+	
+	-- assemble a list of all gates
+	local all_gates = {}
+	for k, gate in pairs(sim.gates) do
+		table.insert(all_gates, gate)
 	end
 	
 	-- construct each gate into an array
 	
-	-- construct each group into an array
-	local group_idx = 0
-	local array_nets = ffi.new("struct Net["..num_groups.."]")
-	for group_id, group in pairs(groups) do
-		local c_net = ffi.new("struct Net")
+	-- construct array of all nets
+	local c_nets = ffi.new("struct Net["..(#all_nets).."]")
+	for net_idx, net in ipairs(all_nets) do
+		local c_net = ffi.new("struct Net", #net.gates_update)
 		
-		local ports_update = {}
-		for port_id, port in pairs(group.in_ports) do
-			if port.causeupdate then
-				num_ports_update = num
-			end
+		for gate_idx, gate in ipairs(net.gates_update) do
+			
 		end
-		--c_net.ports_update = ffi.new("struct Port["..
 		
-		array_nets[group_idx] = c_net
-		group_idx = group_idx + 1
+		c_nets[net_idx] = c_net
 	end
 end
 
@@ -39,6 +71,6 @@ function Simulation.decompile(sim)
 	
 end
 
-function Simulation.tickcompiled(sim)
+function Simulation.tick_compiled(sim)
 	
 end