0001617: monsters with minds should understand corners; mindless monsters should not understand cover

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Category

Severity

Reproducibility

Date Submitted

Last Update

0001617

[DCSS] FR: Other

minor

have not tried

2010-05-26 03:34

2010-05-26 23:29

Reporter

Lemuel

View Status

public

Assigned To

Priority

normal

Resolution

open

Status

new

Product Branch

0.7 ancient branch

Summary

0001617: monsters with minds should understand corners; mindless monsters should not understand cover

Description

Right now, afaik, Crawl monsters all use the same movement algorithm, modulo battiness and fleeing/not. This is immersion-breaking in a couple cases. First, monsters fleeing around a right-angle corner don't realize they should use the diagonal, allowing the player a free shot. And second, mindless monsters prefer LoS-breaking routes when approaching the player.

Easy fix: mindless monsters approaching the player should take a direct approach, ignoring the chance to break LoS. Non-mindless monsters fleeing should take corners where possible, i.e. in this case:

xxx.x
xxx@x
xxxmx
..12x
xxxxx

fleeing m, if it has a mind, should move to 1, rather than 2 as it does now.

Besides the current system seeming borderline-buggy, this change will strengthen the distinction between mindless and non-mindless monsters.

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Notes
(0005052) OG17 (reporter) 2010-05-26 04:00	Mindless creatures heading straight towards the player sounds fine, but I don't see why they'd suddenly start using indirect routes when retreating - this should work both ways.

(0005082) Lemuel (updater) 2010-05-26 21:05	OG17- Right. Mindless creatures should ignore cover both approaching and retreating.

(0005084) rob (developer) 2010-05-26 21:09	I agree. But I wouldn't want to implement this without completely rewriting the monster movement code.

(0005086) OG17 (reporter) 2010-05-26 23:29 edited on: 2010-05-26 23:57	e: never mind, I'm just incapable of visualizing a grid.

Issue History
Date Modified	Username	Field	Change
2010-05-26 03:34	Lemuel	New Issue
2010-05-26 04:00	OG17	Note Added: 0005052
2010-05-26 21:05	Lemuel	Note Added: 0005082
2010-05-26 21:09	rob	Note Added: 0005084
2010-05-26 23:29	OG17	Note Added: 0005086
2010-05-26 23:43	OG17	Note Edited: 0005086
2010-05-26 23:48	OG17	Note Edited: 0005086
2010-05-26 23:57	OG17	Note Edited: 0005086
2011-09-29 21:46	kittel	Issue Monitored: kittel

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