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#ifndef UDO_ELASTICLIPARRANGER
#define UDO_ELASTICLIPARRANGER ##

#include "scss/elasticlip.udo"
#include "scss/mixer/base.udo"
#include "array_3d.udo"
#include "sequencing_scheduled.udo"
#include "interop.udo"

giecpa_fn = -1
giecpa_scenenumber = -1

/*
	Follow actions
		0 repeat
		1 next
		2 previous
		3 random in channel
		4 stop
*/

instr ecpa_boot
	ichannelnumber = (p4 == 0) ? 12 : p4
	isendchannels = (p5 == 0) ? 2 : p5
	imixermaxinserts = (p6 == 0) ? 6 : p6
	giecpa_scenenumber = (p7 == 0) ? 16 : p7
	schedule("mx_boot", 0, 1, ichannelnumber, isendchannels, imixermaxinserts)

	giecpa_fn arr3d_init ichannelnumber, giecpa_scenenumber, 5
	turnoff
endin


instr ecpa_addclip
	icbid = p4
	iclipid = p5
	ichannel = p6
	iscene = p7

	index arr3d_index giecpa_fn, ichannel, iscene, 0
	tabw_i iclipid, index, giecpa_fn

	; set default follow actions
	tabw_i 0, index + 1, giecpa_fn
	tabw_i 0.5, index + 2, giecpa_fn
	tabw_i 0, index + 3, giecpa_fn
	tabw_i 16, index + 4, giecpa_fn
	io_sendstring("callback", sprintf("{\"cbid\": %d}", icbid))
	turnoff
endin


instr ecpa_moveclip
	icbid = p4
	ichannelfrom = p5
	iscenefrom = p6
	ichannelto = p7
	isceneto = p8
	
	index_from arr3d_index giecpa_fn, ichannelfrom, iscenefrom, 0
	index_to arr3d_index giecpa_fn, ichannelto, isceneto, 0

	index = 0
	while (index < 5) do
		tabw_i tab_i(index_from + index, giecpa_fn), index_to + index, giecpa_fn
		index += 1
	od
	io_sendstring("callback", sprintf("{\"cbid\": %d}", icbid))
	turnoff
endin


instr ecpa_rmclip
	icbid = p4
	ichannel = p5
	iscene = p6
	iclipindex arr3d_index giecpa_fn, ichannel, iscene, 0

	; if playing, stop

	index = 0
	while (index < 5) do
		tabw_i 0, iclipindex + index, giecpa_fn
		index += 1
	od
	io_sendstring("callback", sprintf("{\"cbid\": %d}", icbid))
	turnoff
endin


opcode _ecpa_getnext, i, iii
	ichannel, iscene, ifollowaction xin
	inextscene = iscene

	if (ifollowaction == 0) then ; repeat
		goto output

	elseif (ifollowaction == 1 || ifollowaction == 2) then ; next or previous

		isceneindex = (ifollowaction == 1) ? iscene + 1 : iscene - 1
		while ((ifollowaction == 1 && isceneindex < giecpa_scenenumber) || (ifollowaction == 2 && isceneindex >= 0)) do
			item arr3d_get ichannel, isceneindex, 0
			if (item != 0) then
				inextscene = isceneindex
				goto output
			endif
			isceneindex += (ifollowaction == 1) ? 1 : -1
		od

		isceneindex = (ifollowaction == 1) ? 0 : giecpa_scenenumber - 1
		while ((ifollowaction == 1 && isceneindex <= iscene) || (ifollowaction == 2 && isceneindex >= iscene)) do
			item arr3d_get ichannel, isceneindex, 0
			if (item != 0) then
				inextscene = isceneindex
				goto output
			endif
			isceneindex += (ifollowaction == 1) ? 1 : -1
		od

	elseif (ifollowaction == 3) then ; random
		isceneindex = 0
		insertindex = 0
		iactivescenesnum = 0
		iactivescenes[] init giecpa_scenenumber
		while (isceneindex < giecpa_scenenumber) do
			item arr3d_get ichannel, isceneindex, 0
			if (item != 0) then
				iactivescenesnum += 1
				iactivescenes[insertindex] = isceneindex
				insertindex += 1
			endif
			isceneindex += 1
		od
		inextscene = iactivescenes[round(random(0, iactivescenesnum - 1))]
		goto output
	endif

output:
	xout inextscene
endop


instr ecpa_playslot
	icbid = p4
	ichannel = p5
	iscene = p6
	p1 += (ichannel + iscene) / 1000000
	p3 = 36000
	
	io_sendstring("callback", sprintf("{\"cbid\": %d, \"status\": -1}", icbid))
	iclipindex arr3d_index giecpa_fn, ichannel, iscene, 0

	ifollowaction1 = tab_i(iclipindex + 1, giecpa_fn)
	ifollowchance = tab_i(iclipindex + 2, giecpa_fn)
	ifollowaction2 = tab_i(iclipindex + 3, giecpa_fn)
	ilength = tab_i(iclipindex + 4, giecpa_fn)

	ifollowaction = (random(0, 1) <= ifollowchance) ? ifollowaction1 : ifollowaction2

	iplaybackinstr = nstrnum("ecp_playback") + (icbid / 1000000)

	klaunched init 0
	if (gkseq_bar_trig == 1 && klaunched == 0) then
		klaunched = 1
		schedulek(iplaybackinstr, 0, -1, icbid, tab_i(iclipindex, giecpa_fn))
		
		; turnoff other scene instances
		isceneindex = 0
		while (isceneindex < giecpa_scenenumber) do
			if (isceneindex != iscene) then
				turnoff2 (ichannel + iscene) / 1000000, 4, 1
			endif
			isceneindex += 1
		od
	endif

	if (klaunched == 1) then
		ktrig nextbeatxof ilength
		if (ktrig == 1) then
			if (ifollowaction != 4) then ; if not stop
				inextscene _ecpa_getnext ichannel, iscene, ifollowaction
				schedulek("ecpa_playslot", 0, 1, icbid, ichannel, inextscene)
			endif
			turnoff
		endif
	endif

	kreleasing init 0
	if (release:k() == 1 && kreleasing == 0) then
		kreleasing = 1
		turnoff2 iplaybackinstr, 4, 1
	endif
endin


instr ecpa_playscene
	icbid = p4
	iscene = p5
	
	klaunched init 0
	if (gkseq_bar_trig == 1 && klaunched == 0) then
		klaunched = 1
		ibaseinstr = nstrnum("ecpa_playslot")
		ichannel = 0
		while (ichannel < gichannelnumber) do
			turnoff2 (ichannel + iscene) / 1000000, 4, 1
			ichannel += 1
		od
	endif
	
endin

#end