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Fix undoing level properties

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This commit is contained in:
Eevee (Evelyn Woods) 2024-05-06 21:11:39 -06:00
parent 68eb16f7e7
commit 98c77ed798
1 changed files with 10 additions and 5 deletions
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15
js/game.js
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@ -861,7 +861,6 @@ export class Level extends LevelInterface {
}
if (this.undo_enabled) {
let previous_record = this.undo_buffer[(this.undo_buffer_index - 2 + UNDO_BUFFER_SIZE) % UNDO_BUFFER_SIZE];
// Store some current level state in the undo entry. (These will often not be modified, but
// they only take a few bytes each so that's fine.)
for (let key of [
@ -870,9 +869,7 @@ export class Level extends LevelInterface {
'chips_remaining', 'bonus_points', 'state', 'fail_reason', 'ankh_tile',
'player1_move', 'player2_move', 'remaining_players', 'player',
]) {
if (! previous_record || previous_record.level_props[key] !== this[key]) {
this.pending_undo.level_props[key] = this[key];
}
this.pending_undo.level_props[key] = this[key];
}
}
@ -2513,10 +2510,18 @@ export class Level extends LevelInterface {
}
commit() {
if (! this.undo_enabled) {
if (! this.undo_enabled)
return;
// Any level props that haven't changed can be safely deleted
for (let [key, prop] of Object.entries(this.pending_undo.level_props)) {
if (prop === this[key]) {
delete this.pending_undo.level_props[key];
}
}
this.undo_buffer[this.undo_buffer_index] = this.pending_undo;
this.pending_undo = new UndoEntry;
this.undo_buffer_index += 1;