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IDProjectCategoryView StatusDate SubmittedLast Update
0001468Zandronum[All Projects] Bugpublic2013-08-17 18:332018-09-30 23:59
ReporterRusselCS 
Assigned ToDusk 
PrioritynormalSeverityminorReproducibilityalways
StatusclosedResolutionfixed 
PlatformOSOS Version
Product Version1.1.1 
Target Version1.4Fixed in Version1.4 
Summary0001468: Projectiles with NOEXPLODEFLOOR desync online.
DescriptionWhile modding Megaman 8-Bit Deathmatch, I noticed NOEXPLODEFLOOR causes desync online.
This issue did not occur in Skulltag 0.98e, but it has existed since Zandronum 1.0.
I have attatched a very simple test pk3 that should be run with MM8BDM-v3a or higher to test this.
Steps To Reproduce1) Run MM8BDM-v3a (or later) with the given test pk3 loaded.
2) Shoot at the floor with the given weapon. The bullets should slide along the floor.
3) Close the game and launch a server with the same pwads.
4) Join the server and shoot at the floor with the base weapon again. The shots will pass through the floor completely and never seem to exist again.
Additional InformationIn the place I first noticed this issue, the object I had was also pushable. When it was pushed, it would resync. It would desync once again upon entering a new sector.
Attached Files? file icon noexplodefloor-test.pk3 [^] (1,770 bytes) 2013-08-17 18:33
? file icon FloorRocket.wad [^] (93 bytes) 2013-09-01 21:17

- Relationships
child of 0000718closedTIHan Projectile desync when fired to an edge (see demo for the effect) 

-  Notes
User avatar (0007089)
RusselCS (reporter)
2013-09-01 21:20
edited on: 2013-09-01 21:24

 Bump because this went sort of ignored.

I added a test wad that should work for Doom. It's more obvious than the buster makeup thing I had for 8BDM because I did it with the Rocket and it has particle effects.

Steps to reproduce with the second text wad:
1) Launch Doom with FloorRocket.wad.
2) Give yourself the Rocket Launcher and shoot at the floor. The rocket should glide along the floor.
3) Launch a server with the wad and repeat step 2. The rocket's particle effect should still be visible, but the rocket will appear to fly through the floor.

NOTE: This issue still exists in Zandronum 1.2.
User avatar (0009328)
Watermelon (developer)
2014-06-14 17:46

 Still the same in 2.0?
User avatar (0009340)
RusselCS (reporter)
2014-06-14 19:04

 Testing on Zandronum 2.0-alpha-140112-1124 revealed the bug to still exist, should I be testing using a different build?
User avatar (0009342)
Watermelon (developer)
2014-06-14 21:39

 Thats good enough
Thanks for checking!
Acknolwedged theres a bug to be fixed
User avatar (0010824)
StrikerMan780 (reporter)
2014-11-04 06:02

 Just to confirm, this bug also occurs with the Return of the Triad Flamewall if the projectiles transition from one floor to another.
User avatar (0010826)
Dusk (developer)
2014-11-04 11:28

 fixed.
User avatar (0010830)
cobalt (updater)
2014-11-04 20:34

 Issue addressed by commit b6cac0fd212d: - fixed: missiles with +NOEXPLODEFLOOR desynced online (yet another regression caused by e7d00ce), fixes 1468
Committed by Teemu Piippo [Dusk] on Tuesday 04 November 2014 13:24:16

Changes in files:
 docs/zandronum-history.txt | 1 +
 src/p_mobj.cpp | 5 +++++
 2 files changed, 6 insertions(+), 0 deletions(-)
User avatar (0011258)
WaTaKiD (updater)
2015-01-04 03:19

 after testing with 1.4-r150103-1325, issue seemed fixed

however, in 2.0-r150103-1327 the rocket actually climbs the steps at the start of doom 2 map01 instead of exploding at the first one, and in software the rocket looks as though it flies through the floor
User avatar (0011264)
Dusk (developer)
2015-01-04 09:27

 That's weird. I'll have to look at that later today.
User avatar (0011269)
Edward-san (developer)
2015-01-04 11:30

 I believe this happens because of this and this, part 1.
User avatar (0011270)
Torr Samaho (administrator)
2015-01-04 11:42
edited on: 2015-01-04 11:43

 I backported the fix from ZDoom revision 3578, which seems to fix the problem described in 0001468:0011258.
User avatar (0011274)
WaTaKiD (updater)
2015-01-04 14:11

 after testing with 2.0-r150104-1249, issue seems fixed

Issue Community Support
This issue is already marked as resolved.
If you feel that is not the case, please reopen it and explain why.
Supporters: WaTaKiD
Opponents: No one explicitly opposes this issue yet.

- Issue History
Date Modified Username Field Change
2013-08-17 18:33 RusselCS New Issue
2013-08-17 18:33 RusselCS File Added: noexplodefloor-test.pk3
2013-09-01 21:17 RusselCS File Added: FloorRocket.wad
2013-09-01 21:20 RusselCS Note Added: 0007089
2013-09-01 21:20 RusselCS Note Edited: 0007089 View Revisions
2013-09-01 21:24 RusselCS Note Edited: 0007089 View Revisions
2014-06-14 17:46 Watermelon Note Added: 0009328
2014-06-14 17:46 Watermelon Status new => feedback
2014-06-14 19:04 RusselCS Note Added: 0009340
2014-06-14 19:04 RusselCS Status feedback => new
2014-06-14 21:39 Watermelon Note Added: 0009342
2014-06-14 21:39 Watermelon Status new => confirmed
2014-11-04 06:02 StrikerMan780 Note Added: 0010824
2014-11-04 11:08 Dusk Assigned To => Dusk
2014-11-04 11:08 Dusk Status confirmed => assigned
2014-11-04 11:28 Dusk Note Added: 0010826
2014-11-04 11:28 Dusk Status assigned => needs review
2014-11-04 11:28 Dusk Relationship added child of 0000718
2014-11-04 20:34 cobalt Status needs review => needs testing
2014-11-04 20:34 cobalt Target Version => 1.4
2014-11-04 20:34 cobalt Description Updated View Revisions
2014-11-04 20:34 cobalt Steps to Reproduce Updated View Revisions
2014-11-04 20:34 cobalt Note Added: 0010830
2015-01-04 03:19 WaTaKiD Note Added: 0011258
2015-01-04 09:27 Dusk Note Added: 0011264
2015-01-04 09:27 Dusk Status needs testing => assigned
2015-01-04 11:30 Edward-san Note Added: 0011269
2015-01-04 11:42 Torr Samaho Note Added: 0011270
2015-01-04 11:43 Torr Samaho Note Edited: 0011270 View Revisions
2015-01-04 11:43 Torr Samaho Note Revision Dropped: 11270: 0006307
2015-01-04 14:11 WaTaKiD Note Added: 0011274
2015-01-08 15:14 Dusk Status assigned => resolved
2015-01-08 15:14 Dusk Fixed in Version => 2.0
2015-01-08 15:14 Dusk Resolution open => fixed
2015-01-08 15:14 Dusk Fixed in Version 2.0 => 1.4
2015-01-08 15:14 Dusk Description Updated View Revisions
2015-01-08 15:14 Dusk Steps to Reproduce Updated View Revisions
2018-09-30 23:59 Blzut3 Status resolved => closed




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