0002267: Spawn ACS command commonly fails to spawn an actor - MantisBT

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ID

Project

Category

View Status

Date Submitted

Last Update

0002267

Zandronum

[All Projects] Bug

public

2015-05-27 13:18

2015-12-13 02:24

Reporter

Lance

Assigned To

Priority

normal

Severity

major

Reproducibility

always

Status

closed

Resolution

invalid

Platform

Microsoft

OS

Windows

OS Version

XP/Vista/7

Product Version

2.0

Target Version

Fixed in Version

Summary

0002267: Spawn ACS command commonly fails to spawn an actor

Description

The spawn command commonly fails to spawn an actor. I'm not 100% sure what causes it, but I have tested it thoroughly. It always happens when spawning above raised sectors (stairs, ledges, etc). Sometimes it happens in random areas. Even in cases when there is sufficient room to spawn the actor, it will still fail. I've tested this by using setactorposition in the same exact spot, with successful results. This leaves me to believe that there is a bug in the spawn command, unless this was intended to prevent a glitch. However, though you could just use spawnforced, if you were to need the return value, you could only attain this through spawn.

unnamed.wad [^] (11,917 bytes) 2015-05-28 17:31

Relationships

Notes
(0012432) Edward-san (developer) 2015-05-27 14:31 edited on: 2015-05-27 14:32	Can you reproduce this with GZDoom r900? If yes, what about GZDoom 1.8?

(0012433) Dusk (developer) 2015-05-27 15:08	Please supply a testcase.

(0012434) Lance (reporter) 2015-05-27 16:21	I have reproduced it with both GZDoom r900 and GZDoom 1.8. It behaves exactly as it does in Zandronum. Is there anything else that I should take into account?

(0012435) Edward-san (developer) 2015-05-27 18:18	Can you try with the latest ZDoom git version from'http://devbuilds.drdteam.org/zdoom/ [^]' ? Also what Dusk asks.

(0012436) Lance (reporter) 2015-05-28 01:45	I've tested it with the latest Zdoom, and it still occurs. How would I supply a testcase?

(0012437) Edward-san (developer) 2015-05-28 09:26 edited on: 2015-05-28 09:26	You can attach a minimal wad file containing the Spawn ACS script, if that's what you meant.

(0012438) Lance (reporter) 2015-05-28 17:33 edited on: 2015-05-28 17:34	Okay, I made a small test that exploits the problem. I hope this is what you meant by 'testcase'. On the start of the map there are two switches. The one to the right will use the spawn command to spawn an enemy above the stairs. While the one to the right will do the same exact thing, but away from the stairs. I attached the wad if you want to check it out.

(0013972) Dusk (developer) 2015-12-13 02:24	The spawn is failing because the mapspot is inside monster blocking lines. The zombieman would get stuck. Which makes this an user error.

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Issue History
Date Modified	Username	Field	Change
2015-05-27 13:18	Lance	New Issue
2015-05-27 14:31	Edward-san	Note Added: 0012432
2015-05-27 14:31	Edward-san	Status	new => feedback
2015-05-27 14:32	Edward-san	Note Edited: 0012432	View Revisions
2015-05-27 15:08	Dusk	Note Added: 0012433
2015-05-27 16:21	Lance	Note Added: 0012434
2015-05-27 16:21	Lance	Status	feedback => new
2015-05-27 18:18	Edward-san	Note Added: 0012435
2015-05-27 18:18	Edward-san	Status	new => feedback
2015-05-28 01:45	Lance	Note Added: 0012436
2015-05-28 01:45	Lance	Status	feedback => new
2015-05-28 09:26	Edward-san	Note Added: 0012437
2015-05-28 09:26	Edward-san	Note Edited: 0012437	View Revisions
2015-05-28 09:26	Edward-san	Status	new => feedback
2015-05-28 17:31	Lance	File Added: unnamed.wad
2015-05-28 17:33	Lance	Note Added: 0012438
2015-05-28 17:33	Lance	Status	feedback => new
2015-05-28 17:33	Lance	Note Edited: 0012438	View Revisions
2015-05-28 17:34	Lance	Note Edited: 0012438	View Revisions
2015-12-13 02:24	Dusk	Note Added: 0013972
2015-12-13 02:24	Dusk	Status	new => closed
2015-12-13 02:24	Dusk	Resolution	open => invalid

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