1 files changed, 15 insertions, 1 deletions
diff --git a/src/world/world.js b/src/world/world.js
index e1d984d..e1ba0cf 100644
--- a/src/world/world.js
+++ b/src/world/world.js
@@ -3,6 +3,17 @@ import { agent_decide, agent_apply } from './agent.js';
 import { proposal_merge } from './proposal.js';
 
 
+// world structure:
+// {
+//   lattice
+//   lattice_rules: object
+//   agents: agent[]
+//   senses: sense[]
+//   actions: action[]
+//   validity: (function(proposal) => bool)[]
+// }
+
+
 export function world_update(world, postprocess=[]) {
   const lattice_props = lattice_update(world.lattice, world.lattice_rules);
   const intermediate_lattice = lattice_apply(world.lattice, lattice_props);
@@ -19,7 +30,10 @@ export function world_update(world, postprocess=[]) {
     .reduce((acc, prop) => proposal_merge(acc, prop), [])
     .filter(prop => lattice_valid(intermediate_lattice, prop))
 
-  const lattice = lattice_apply(intermediate_lattice, agent_props);
+  const lattice = lattice_apply(intermediate_lattice, world.validity.reduce(
+    (acc, rule) => acc.filter(rule),
+    agent_props
+  ));
   const agents = intermediate_agents.map(a => agent_apply(a, agent_props));
 
   const new_world = {...world, lattice, agents};