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-rw-r--r--src/simulation/validity.js14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/simulation/validity.js b/src/simulation/validity.js
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+export const validity = [
+ // prevent agents from moving onto immutables
+ (world, proposal) => (proposal.agent_changes || []).reduce(
+ (acc, change) => {
+ const {x, y} = change;
+ if (x !== undefined && y !== undefined && world.lattice[y][x].type === 'immutable') {
+ return false;
+ } else {
+ return acc;
+ }
+ },
+ true,
+ ),
+];