Add checkpoints for replay.

1 files changed, 7 insertions, 0 deletions

diff --git a/rules.js b/rules.js
index 2a6b4f6..49dea02 100644
--- a/rules.js
+++ b/rules.js
@@ -6946,6 +6946,13 @@ exports.setup = function (seed, scenario, options) {
 	return game
 }
 
+exports.is_checkpoint = function (a, b) {
+	if (!a.log) return true
+	let ax = a.log[a.log.length-2].startsWith(".h2")
+	let bx = b.log[b.log.length-2].startsWith(".h2")
+	return bx && (!ax || a.log.length !== b.log.length)
+}
+
 exports.view = function(state, current) {
 	load_state(state)