SCUMM: Mac version of Let's Explore the Farm with Buzzy not detected

[eisnerguy1]

I'm running this versions on macOS 10.14.6:
ScummVM 2.6.0git5785-g2a36aef83c9 (May 14 2022 04:29:14)

I had an issue with ScummVM not detecting the Mac version of Let's Explore the Farm with Buzzy.

If I try a Mass Add and select the mounted disc​, ScummVM only recognizes the various Mac & Windows demos as well as the Windows version of "Let's Explore the Farm with Buzzy"​. If I try to change the game file path in ScummVM Preferences, and point to the Mac files, ScummVM can't find any files​.

Here are the files that the Mac version has:

• The Farm
• The Farm (0)
• The Farm (1)
• The Farm (2)
• The Farm (4)
• The Farm (9)

​I posted about it on the ScummVM forums

Praetorian had this to say:

Looking again at the "engines/scumm/detection_tables.h" file, the  entries for Airport and Jungle (full game) for Macintosh look like  this:
{ "airport", "The AirPort", kGenHEMac, UNK_LANG,  Common::kPlatformMacintosh, 0 },
...
{ "jungle", "The Jungle", kGenHEMac, UNK_LANG, Common::kPlatformMacintosh, 0 },

while the entry for Farm looks like:
{ "farm", "farm", kGenHEMac, UNK_LANG, Common::kPlatformMacintosh, 0 },"

Their suggestion was to do this:

So the idea is to change the second "farm" value (which is the "pattern" field) to "The Farm" for this entry, rebuild scummvm and check what happens. This is kind of similar to the previous suggestion though. The only difference is that now I'm matching the capitalization also, which I am not sure if it's the case, but the check could be case sensitive.
If you cannot rebuild scummvm, then do what I suggested originally, but rename the files for farm to lowercase to match the existing "farm" pattern in detection_tables.h, so: farm, farm (0), farm (1) and so on. 

Per their suggestion, I ran ScummVM using this command while trying to add this game:

./scummvm -d3 --debugflags=DETECTION --debug-channels-only

Here's what happened before I changed the file names:
attachment:"Let's Explore the Farm with Buzzy.-Ignored.txt"​

And here's what happened afterwards:
attachment:"Let's Explore the Farm with Buzzy Mac-Added.txt"​

After trying to run the game, ScummVM complains about not being able to find "The Farm (9)"​. There's no Terminal output mentioning this though. The game seems to run ok so far.

I renamed these files:

• The Farm
• The Farm (0)
• The Farm (1)
• The Farm (2)
• The Farm (4)
• The Farm (9)

to this:

• farm
• farm (0)
• farm (1)
• farm (2)
• farm (4)
• farm (9)

Here's the game's entry in the "ScummVM Preferences" file:

[farm-mac]
filtering=false
scaler=normal
engineid=scumm
platform=macintosh
music_driver=auto
vsync=true
scale_factor=2
savepath=/Users/eisnerguy1/Documents/ScummVM Savegames/Humongous/Buzzy - Let's Explore/Let's Explore the Farm with Buzzy
subtitles=false
opl_driver=auto
aspect_ratio=false
guioptions=sndNoMIDI launchNoLoad noAspect lang_English
fullscreen=false
description=Let's Explore the Farm with Buzzy (Macintosh/English)
path=/Applications/ScummVM/Games/Humongous/Buzzy - Let's Explore/Let's Explore the Farm with Buzzy/Game Files
gameid=farm
language=en
talkspeed=85
stretch_mode=pixel-perfect
speech_mute=false

[antoniou79]

It's good news that detection eventually worked with renaming the files.
This means that if we change the detection entry in engines/scumm/detection_tables.h from

{ "farm", "farm", kGenHEMac, UNK_LANG, Common::kPlatformMacintosh, 0 },

to

{ "farm", "The Farm", kGenHEMac, UNK_LANG, Common::kPlatformMacintosh, 0 },

then the renaming workaround won't be needed, and you also won't get the warning about the missing resource file.

However, the original entry was introduced by this commit:
​https://github.com/scummvm/scummvm/commit/2e497bb9f83d0435e88bcd283b636c4e2c9043e3

which mentions that it was done to support a Dutch Mac version of the game. We should be careful not to break support for that version by fixing this.

So, ideally someone could provide info about the name pattern in that Dutch version for Mac. Was it actually "farm *" or was this an error with that commit and it's "The Farm *" as well?

[antoniou79]

I opened a PR to fix this here:
​https://github.com/scummvm/scummvm/pull/3884

[eisnerguy1]

Replying to antoniou79:

I opened a PR to fix this here:
​https://github.com/scummvm/scummvm/pull/3884

Thanks! I really appreciate the help with this!

[bluegr]

Which version is this?
The files in the original version are named "farm", which was shipped in a hybrid PC/Mac CD. Have you purchased this version from Humongous or Steam? If yes, we may need to rename the detection entry.

​http://humongous.com/games/lets-explore-the-farm/
​https://store.steampowered.com/app/363060/Lets_Explore_the_Farm_Junior_Field_Trips/

[eisnerguy1]

Replying to bluegr:

Which version is this?
The files in the original version are named "farm", which was shipped in a hybrid PC/Mac CD. Have you purchased this version from Humongous or Steam? If yes, we may need to rename the detection entry.

​http://humongous.com/games/lets-explore-the-farm/
​https://store.steampowered.com/app/363060/Lets_Explore_the_Farm_Junior_Field_Trips/

To reiterate part of my original message, this is the Mac version from 1995. I sourced the files from a disc image I made from the original CD​.

The US/English Mac files are named this:

• The Farm
• The Farm (0)
• The Farm (1)
• The Farm (2)
• The Farm (4)
• The Farm (9)

[bluegr]

The PR has been merged, so this can be closed now. Thanks!