Escape Level : "Bomb and Trap Animation Glitch" by Gary

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"Bomb and Trap Animation Glitch" by Gary

added 03 Jan 2009 01:41

Solved 10/10

Cooked 0/10

Difficulty 1.20

Style 3.60

Rigidity 8.60

Shortest Solution
By gary

On 03 Jan 2009 01:41

Comments (turn spoilers on)

11650 Bomb and Trap Animation Glitch Tom 7 (1) Sun 04 Jan 2009 12:38

Ah yes. There was a bug with bomb explosions (case fall-through) that would cause a trap animation to also play if there just happened to be the right value in memory, which only had a reasonable chance of happening when a lot of trap falling animations had played in the past. I checked the rest of the file and this was the only bug of that sort, so it's remarkable that you spotted it! Thank you. Fixed for the next release. Similar bugs will display a visible error message, too, so that they don't go unnoticed for so long.

11649 Bomb and Trap Animation Glitch Tom 7 (1) Sun 04 Jan 2009 09:44

Ah! Thanks noname. I was looking at the tile next to the bomb, not the bomb tile itself. I see it, for me on the third bomb. Since this is happening nondeterministically it could be a serious bug (uninitialized memory / stray reads&writes). I will look. Good find gary!

11646 Bomb and Trap Animation Glitch noname (559) Sun 04 Jan 2009 04:23

I used bookmark menu to replay my solution of this level, and found that when each of the first four bombs exploded, one trap-falling animation appeared, but when the last bomb exploded, two trap-falling animation appeared, one being at the position of the bomb and the other being next to it. And after the animation, the trap underneath the bomb reappear (so the game logic is correct). But if I use the Ctrl-M thing to view my solutions, then it's the fourth bomb where two trap-falling animation appeared. Looked very weird to me.

11644 Bomb and Trap Animation Glitch Tom 7 (1) Sun 04 Jan 2009 00:24

Hmm, I'm not sure what you're talking about. There is some minor junk when the bomb blows up adjacent to a trap that's falling into a hole or lesser trap. Agreed, but very minor. I think I know what's wrong and how to fix it. But the thing about restarting the level and seeing something different is disturbing... are you still seeing that? If so, I need to look into that one.

11643 Bomb and Trap Animation Glitch gary (1998) Sat 03 Jan 2009 08:01

Moved to graveyard:
Wait, I don't think this is a bug. Tom, have you seen that bug here?

11641 Bomb and Trap Animation Glitch gary (1998) Sat 03 Jan 2009 01:47

This animation bug is very wierd...
When the bomb in the last column is detonated, restart the level, then detonate the bomb on the last column. Two falling traps appear.

11640 Bomb and Trap Animation Glitch gary (1998) Sat 03 Jan 2009 01:41

'Bomb and Trap Animation Glitch' uploaded by gary:
This bug is from "No Camouflage" by OCTweak.

Comments (turn spoilers on)

11650	Bomb and Trap Animation Glitch	Tom 7 (1)	Sun 04 Jan 2009 12:38
	Ah yes. There was a bug with bomb explosions (case fall-through) that would cause a trap animation to also play if there just happened to be the right value in memory, which only had a reasonable chance of happening when a lot of trap falling animations had played in the past. I checked the rest of the file and this was the only bug of that sort, so it's remarkable that you spotted it! Thank you. Fixed for the next release. Similar bugs will display a visible error message, too, so that they don't go unnoticed for so long.

11649	Bomb and Trap Animation Glitch	Tom 7 (1)	Sun 04 Jan 2009 09:44
	Ah! Thanks noname. I was looking at the tile next to the bomb, not the bomb tile itself. I see it, for me on the third bomb. Since this is happening nondeterministically it could be a serious bug (uninitialized memory / stray reads&writes). I will look. Good find gary!

11646	Bomb and Trap Animation Glitch	noname (559)	Sun 04 Jan 2009 04:23
	I used bookmark menu to replay my solution of this level, and found that when each of the first four bombs exploded, one trap-falling animation appeared, but when the last bomb exploded, two trap-falling animation appeared, one being at the position of the bomb and the other being next to it. And after the animation, the trap underneath the bomb reappear (so the game logic is correct). But if I use the Ctrl-M thing to view my solutions, then it's the fourth bomb where two trap-falling animation appeared. Looked very weird to me.

11644	Bomb and Trap Animation Glitch	Tom 7 (1)	Sun 04 Jan 2009 00:24
	Hmm, I'm not sure what you're talking about. There is some minor junk when the bomb blows up adjacent to a trap that's falling into a hole or lesser trap. Agreed, but very minor. I think I know what's wrong and how to fix it. But the thing about restarting the level and seeing something different is disturbing... are you still seeing that? If so, I need to look into that one.

11643	Bomb and Trap Animation Glitch	gary (1998)	Sat 03 Jan 2009 08:01
	Moved to graveyard: Wait, I don't think this is a bug. Tom, have you seen that bug here?

11641	Bomb and Trap Animation Glitch	gary (1998)	Sat 03 Jan 2009 01:47
	This animation bug is very wierd... When the bomb in the last column is detonated, restart the level, then detonate the bomb on the last column. Two falling traps appear.

11640	Bomb and Trap Animation Glitch	gary (1998)	Sat 03 Jan 2009 01:41
	'Bomb and Trap Animation Glitch' uploaded by gary: This bug is from "No Camouflage" by OCTweak.