10 Commits

Author SHA1 Message Date
Veikko Sariola
50ca02442d feat(bridge): Return sensible error messages from bridge and test that patches that should fail actually do. 2020-12-05 21:55:49 +02:00
Veikko Sariola
95c8c9c2b7 refactor(go4k): Remove all special treatment from samples and map Song 1-1 to what's in the .asm file.
Whoever uses it, probably wants their own Patch format, as now it is pretty cumbersome to work with sampleoffsets and delays, as the user needs to construct the delaytimes tables and sampleoffset tables.
2020-11-20 22:21:21 +02:00
Veikko Sariola
f7017892a5 refactor(asm&go4k): Remove special treatment from stereo parameters; it's now just one parameter in the Unit map. 2020-11-10 20:45:41 +02:00
Veikko Sariola
5ceab766cc refactor(asm&go4k): Remove double SU_SEND macros, voice(0) corresponding to local send and voice(n) corresponding to global. 2020-11-10 00:53:06 +02:00
Veikko Sariola
ae334a5dfe refactor(asm&go4k): Remove FLAGS from all units; they were the source of difficulty in parsing and fragile.
All units now take parameters according to flags. Only non-numeric parameter anymore is oscillator type.
2020-11-10 00:18:56 +02:00
Veikko Sariola
e36aea59a5 feat(go4k): Algorithm to construct small delay times tables by abusing overlapping of different delay times.
The problem of finding a string that contains all particular substrings is the "shortest superstring problem"; it is NP-hard and analogous to traveling salesman problem. We use simple greedy search instead of trying to find true optimum. But even with these algorithm, units that use exactly the same delay times will always appear only once in the delay times table.
2020-11-09 22:29:10 +02:00
Veikko Sariola
bcbb5aaf19 feat: Delays and samples are now working through the bridge.
One should call bridge.Init() once during the initialization of the program to load the static sample table. On linux, bridge.Init() does nothing.
2020-11-08 16:03:10 +02:00
Veikko Sariola
d5886c0920 Change unison to be in the range of 0 - 3.
With this change, forgetting to initialize unison results in the default behaviour: 0 means one oscillator, 3 means four oscillators in unison.
2020-11-08 10:17:43 +02:00
Veikko Sariola
9209aa1cba Implement .asm parsing in go4k, and run succesfully almost all tests/ through the bridge.
Delays and samples are not implemented yet and thus the tests are skipped, as these require parsing the delay and sample tables also. Various macronames were changed to be more sensible and consistent i.e. ATTAC was changed to ATTACK. GatesLow and GatesHigh was removed for the time being and the tracker will just have to know they are the SHAPE and COLOR parameters. SU_SPEED was changed to take a parameter so the parser picks it up.
2020-11-07 21:05:55 +02:00
Veikko Sariola
e0a793ea6d Reorganize the project folder structure and how go packages are organized.
Sointu.asm / lib stuff lives at the root folder. There is a folder called "go4k", which is where
all go stuff lives. Following the ideas from https://medium.com/@benbjohnson/standard-package-layout-7cdbc8391fc1
the go4k folder is the "domain-model" of the go side, and should have no dependencies.
It contains Unit, Instrument, Synth interface etc. Putting go4k under a sub-folder is actually
in the spirit of Ben, as go4k adds dependency to the go language.

Bridge ties the domain-model to the sointulib through cgo. It returns C.Synth, but
makes sure the C.Synth implements the Synth interface, so others are able to use the
Synth no matter how it actually is done. MockSynth and WebProxy synth are good
prospects for other implementations of Synth.

It is a bit fuzzy where methods like "Play" that have no dependencies other than domain
model structs should go. They probably should live in the go4k package as well.

The file-organization on the Go-side is not at all finalized. But how packages are broken
into files is mostly a documentation issue; it does not affect the users of the packages at
all.

BTW: The name go4k was chosen because Ben advocated naming the subpackages
according to the dependency they introduce AND because the prototype of 4klang was
called go4k (there are still some defines in the 4klang source revealing this). go4k thus
honors our roots but is also not so bad name: it's the main package of a 4k synth tracker,
written in go.
2020-10-31 22:05:47 +02:00