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refactor(go4k): Remove all special treatment from samples and map Song 1-1 to what's in the .asm file.

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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.
This commit is contained in:
Veikko Sariola
2020-11-20 22:21:21 +02:00
parent f076409eb1
commit 95c8c9c2b7
9 changed files with 106 additions and 128 deletions
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18
go4k/algorithms.go
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@ -102,26 +102,30 @@ func FindSuperIntArray(arrays [][]int) ([]int, []int) {
// as possible. Especially: if two delay units use exactly the same
// delay times, they appear in the table only once.
func ConstructDelayTimeTable(patch Patch) ([]int, [][]int) {
ind := make([][]int, len(patch))
ind := make([][]int, len(patch.Instruments))
var subarrays [][]int
// flatten the delay times into one array of arrays
// saving the indices where they were placed
for i, instr := range patch {
for i, instr := range patch.Instruments {
ind[i] = make([]int, len(instr.Units))
for j, unit := range instr.Units {
// only include delay times for delays. Only delays
// should use delay times
if unit.Type == "delay" {
ind[i][j] = len(subarrays)
subarrays = append(subarrays, unit.DelayTimes)
end := unit.Parameters["count"]
if unit.Parameters["stereo"] > 0 {
end *= 2
}
subarrays = append(subarrays, patch.DelayTimes[unit.Parameters["delay"]:end])
}
}
}
delayTable, indices := FindSuperIntArray(subarrays)
// cancel the flattening, so unitindices can be used to
// to find the index of each delay in the delay table
unitindices := make([][]int, len(patch))
for i, instr := range patch {
unitindices := make([][]int, len(patch.Instruments))
for i, instr := range patch.Instruments {
unitindices[i] = make([]int, len(instr.Units))
for j, unit := range instr.Units {
if unit.Type == "delay" {
@ -139,10 +143,10 @@ func ConstructDelayTimeTable(patch Patch) ([]int, [][]int) {
// table by instrument i / unit j (units other than sample oscillators
// have the value 0)
func ConstructSampleOffsetTable(patch Patch) ([]SampleOffset, [][]int) {
unitindices := make([][]int, len(patch))
unitindices := make([][]int, len(patch.Instruments))
var offsetTable []SampleOffset
offsetMap := map[SampleOffset]int{}
for i, instr := range patch {
for i, instr := range patch.Instruments {
unitindices[i] = make([]int, len(instr.Units))
for j, unit := range instr.Units {
if unit.Type == "oscillator" && unit.Parameters["type"] == Sample {