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main.lua
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main.lua
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--Reform - main.lua--
--[[======TABLE OF CONTENTS======
-- DEBUG CONTROLS --
-- FULL-SCOPE VARIABLES --
-- NOTIFIERS/GETTERS & INITIALIZATION --
reset_variables()
get_theme_data()
set_theme_colors()
update_valuefields()
update_anchor_bitmaps()
update_collision_bitmaps()
update_curve_type_bitmaps() (unused)
update_vol_pan_fx_bitmaps()
reset_view()
deactivate_controls()
activate_controls()
release_document()
new_document()
add_document_notifiers()
add_pattern_length_notifier(p)
pattern_length_notifier
get_pattern_length_at_seq(s)
sequence_count_notifier() - used in get_sequence_length()
get_sequence_length()
track_count_notifier() - used in get_track_count()
get_track_count()
add_visible_note_columns_notifier(t)
visible_note_columns_notifier
get_visible_note_columns(t)
add_visible_effect_columns_notifier(t)
visible_effect_columns_notifier
get_visible_effect_columns(t)
-- MATH/UTILITY FUNCTIONS --
remap_range(val,lo1,hi1,lo2,hi2) - converts a value in range lo1-hi1 to lo2-hi2
sign(number) - returns 1 or -1 depending on the +/- of a number
-- SONG DATA MANIPULTAION --
store_note(s,p,t,c,l,counter)
get_selection()
select_line_at_edit_cursor()
find_selected_notes()
calculate_vol_placements()
calculate_pan_placements()
calculate_fx_placements()
calculate_note_placements()
calculate_all_placements()
get_index(s,t,l,c)
find_correct_index(s,p,t,l,c)
set_track_visibility(t)
set_note_column_values(column,vals)
restore_old_note(counter)
is_wild(index)
get_existing_note(index,counter)
update_current_note_location(counter,new_index)
add_to_placed_notes(index,counter)
apply_curve(placement,type)
place_new_note(counter)
update_start_pos()
-- BEZIER CURVES --
binom(n,k) - BINOMIAL COEFFECIENT
bern(val,v,n) - BERNSTEIN BASIS POLYNOMIAL
get_curve(t,points)
init_buffers(i)
calculate_curve(i)
rasterize_curve(i)
update_curve_grid(i)
update_curve_display(i)
update_all_curve_displays()
-- MAIN PROCESSING --
detect_changes_to_our_note(note)
detect_changes_to_notes()
apply_reform()
apply_reform_notifier()
add_reform_idle_notifier()
queue_processing()
strumify()
update_all_controls() -- belongs in VIEWBUILDER, but is used in hotkeys
-- FOCUSED HOTKEYS --
space_key()
shift_space_key()
up_key()
down_key()
left_key()
right_key()
tab_key()
shift_tab_key()
mod_arrow_key(control, alt_control, multiplier, repeated)
alt_left()
alt_right()
change_anchor(type, orientation)
change_our_collision_mode(bool)
change_wild_collision_mode(bool)
toggle_overflow_mode()
toggle_condense_mode()
toggle_redistribute_mode()
-- VIEWBUILDER --
show_window()
key_handler(dialog,key)
reform_main()
restore_reform_window()
strumify_line_at_edit_cursor()
-- MENU ENTRIES --
Pattern Editor:Reform:Reform Selection...
Pattern Editor:Reform:Restore Reform Window
Pattern Editor:Reform:Strumify Line at Edit Cursor
Main Menu:Tools:Reform:Reform Selection...
Main Menu:Tools:Reform:Restore Reform Window
Main Menu:Tools:Reform:Strumify Line at Edit Cursor
-- ASSIGNABLE HOTKEYS --
Pattern Editor:Selection:Reform Selection
Pattern Editor:Selection:Restore Reform Window
Pattern Editor:Selection:Strumify Line at Edit Cursor
======TABLE OF CONTENTS END====== --]]
--DEBUG CONTROLS-------------------------------
--[[
_AUTO_RELOAD_DEBUG = false
local debugvars = {
extra_curve_controls = false,
print_notifier_attach = false,
print_notifier_trigger = false,
print_queue_processing = false,
print_valuefield = false, --prints info from valuefields when set true
print_clocks = false, --prints out profiling clocks in different parts of the code when set true
clocktotals = {},
tempclocks = {}
}
local function rstclk(num)
if debugvars.print_clocks then
debugvars.clocktotals[num] = 0
end
end
local function stclk(num)
if debugvars.print_clocks then
debugvars.tempclocks[num] = os.clock()
end
end
local function adclk(num)
if debugvars.print_clocks then
debugvars.clocktotals[num] = debugvars.clocktotals[num] + (os.clock() - debugvars.tempclocks[num])
end
end
local function rdclk(num,msg)
if debugvars.print_clocks then
print(msg .. debugvars.clocktotals[num] or "nil")
end
end
--]]
--FULL-SCOPE VARIABLES----------------------------------------------------
local app = renoise.app()
local tool = renoise.tool()
local song = nil
local vb = renoise.ViewBuilder()
local window_obj = nil
local window_content = nil
local vb_notifiers_on
local last_spacebar = 0
local theme = {
selected_button_back = {255,255,255}
}
local tooltips = {
collision_sel = {
"No selected notes are overwriting each other",
"Selected notes are overwriting each other",
"\n[First] to keep earlier notes\n[Last] to keep later notes"
},
collision_wild = {
"No selected notes are overwriting non-selected notes",
"Selected notes are colliding with non-selected notes",
"\n[Sel] to keep selected notes\n[Not] to keep non-selected notes"
}
}
local control_increments = {0.001, 0.05, 0.01, 0.05, 0.25}
local last_arrow_key_time = 0
local previous_time = 0
local idle_processing = false --if apply_reform() takes longer than 40ms, this becomes true
local selected_notes = {} --contains all of our notes to be processed
--[[
the selected_notes "struct" consists of...
[1,2 .. n]{
--the index where the note originated from
original_index = {s,p,t,c,l}
--original values stored from the note
note_value
instrument_value
volume_value
panning_value
delay_value
effect_number_value
effect_amount_value
rel_line_pos --the line difference between current_location and original_index
current_location = {s,p,t,c,l} --the new/current index of the note after processing
--precomputed placement values to use for different types of operations
placement
redistributed_placement_in_note_range
redistributed_placement_in_sel_range
--values stored from last spot this note overwrote
last_overwritten_values = {
note_value
instrument_value
volume_value
panning_value
delay_value
effect_number_value
effect_amount_value
}
flags = {
write --tells whether this note should overwrite whatever is at the same index as it is
vol_re --tells whether the volume was distributed or not previously
pan_re --tells whether the panning was distributed or not previously
fx_re --tells whether the fx amount was distributed or not previously
clear --tells whether this note should clear the index it is at when it leaves
restore --tells whether this note should restore anything next time restoration occurs
}
}
--]]
local selection
local valid_selection
local selected_seq
local selected_pattern
local originally_visible_columns = {{},{},{},{},{}}
local columns_overflowed_into = {}
local column_to_end_on_in_first_track
local is_note_track = {} --bools indicating if the track at that index supports note columns
local total_delay_range
local total_line_range
local earliest_placement
local latest_placement
local placed_notes = {}
local note_collisions = {ours = {}, wild = {}}
local start_pos = renoise.SongPos()
local flags = {
overflow = true,
condense = false,
redistribute = false,
our_notes = false, --true == keep later notes, false == keep earlier notes
wild_notes = true, --true == keep selected notes, false == keep wild notes
vol_changed = false,
pan_changed = false,
fx_changed = false,
vol = false,
vol_re = false,
vol_orig_min = 0,
vol_orig_max = 128,
vol_min = 0,
vol_max = 128,
pan = false,
pan_re = false,
pan_orig_min = 0,
pan_orig_max = 128,
pan_min = 0,
pan_max = 128,
fx = false,
fx_re = false,
fx_orig_min = 0,
fx_orig_max = 255,
fx_min = 0,
fx_max = 255,
}
local pattern_lengths = {} --[pattern_index]{length, valid, notifier}
local seq_length = { length = 0, valid = false }
local visible_note_columns = {} --[track_index]{amount, valid, notifier}
local visible_effect_columns = {} --[track_index]{amount, valid, notifier}
local track_count = {} --{amount, valid, notifier}
local time = 0
local time_multiplier = 1
local time_was_typed = false
local typed_time = 1
local curve_intensity = {0, 0, 0, 0} --time,vol,pan,fx
local curve_type = {1, 1, 1, 1}
local curve_points = {
{ --time
sampled = {},
default = {
points = {{0,1,1},{1,0,1}},
samplesize = 2
},
{
positive = {{0,1,1},{1,1,1},{1,0,1}},
negative = {{0,1,1},{0,0,1},{1,0,1}},
samplesize = 19
},
{
positive = {{0,1,1},{0.5,1,4},{0.5,0,4},{1,0,1}},
negative = {{0,1,1},{0,0.5,4},{1,0.5,4},{1,0,1}},
samplesize = 18
}
},
{ --vol
sampled = {},
default = {
points = {{0,0,1},{1,1,1}},
samplesize = 2
},
{
positive = {{0,0,1},{0,1,1},{1,1,1}},
negative = {{0,0,1},{1,0,1},{1,1,1}},
samplesize = 10
}
},
{ --pan
sampled = {},
default = {
points = {{0,0,1},{1,1,1}},
samplesize = 2
},
{
positive = {{0,0,1},{0,1,1},{1,1,1}},
negative = {{0,0,1},{1,0,1},{1,1,1}},
samplesize = 10
}
},
{ --fx
sampled = {},
default = {
points = {{0,0,1},{1,1,1}},
samplesize = 2
},
{
positive = {{0,0,1},{0,1,1},{1,1,1}},
negative = {{0,0,1},{1,0,1},{1,1,1}},
samplesize = 10
}
},
}
local pascals_triangle = {}
local curve_displays = {
{ xsize = 16, ysize = 16, display = {}, buffer1 = {}, buffer2 = {} }, --time
{ xsize = 11, ysize = 11, display = {}, buffer1 = {}, buffer2 = {} }, --vol
{ xsize = 11, ysize = 11, display = {}, buffer1 = {}, buffer2 = {} }, --pan
{ xsize = 11, ysize = 11, display = {}, buffer1 = {}, buffer2 = {} }, --fx
}
local drawmode = "line"
local offset = 0
local offset_multiplier = 1
local offset_was_typed = false
local typed_offset = 0
local anchor = 0 -- 0 = top, 1 = bottom
local anchor_type = 1 -- 1 = note, 2 = selection
--RESET VARIABLES------------------------------
local function reset_variables()
--get our song reference if we don't have it yet
if not song then song = renoise.song() end
originally_visible_columns = {{},{},{},{},{}}
table.clear(columns_overflowed_into)
table.clear(is_note_track)
table.clear(selected_notes)
table.clear(placed_notes)
start_pos = renoise.SongPos()
flags = {
overflow = true,
condense = false,
redistribute = false,
our_notes = false, --true == keep later notes, false == keep earlier notes
wild_notes = true, --true == keep selected notes, false == keep wild notes
vol = false,
vol_re = false,
vol_orig_min = 0,
vol_orig_max = 128,
vol_min = 0,
vol_max = 128,
pan = false,
pan_re = false,
pan_orig_min = 0,
pan_orig_max = 128,
pan_min = 0,
pan_max = 128,
fx = false,
fx_re = false,
fx_orig_min = 0,
fx_orig_max = 255,
fx_min = 0,
fx_max = 255,
}
time = 0
time_multiplier = 1
time_was_typed = false
typed_time = 1
curve_intensity = {0, 0, 0, 0} --time,vol,pan,fx
curve_type = {1, 1, 1, 1}
offset = 0
offset_multiplier = 1
offset_was_typed = false
typed_offset = 0
anchor = 0
anchor_type = 1
earliest_placement = math.huge
latest_placement = 0
return true
end
--GET THEME DATA--------------------------------
local function get_theme_data()
app:save_theme("Theme.xrnc")
--open/cache the file contents as a string
local themefile = io.open("Theme.xrnc")
local themestring = themefile:read("*a")
themefile:close()
--find the indices where the Selected_Button_Back property begins and ends
local i = {}
i[1], i[2] = themestring:find("<Selected_Button_Back>",0,true)
i[3], i[4] = themestring:find("</Selected_Button_Back>",0,true)
local stringtemp = themestring:sub(i[2]+1,i[3]-1)
i[1], i[2] = stringtemp:find(",",0,true)
theme.selected_button_back[1] = tonumber(stringtemp:sub(0,i[1]-1))
i[2], i[3] = stringtemp:find(",",i[2]+1,true)
theme.selected_button_back[2] = tonumber(stringtemp:sub(i[1]+1,i[2]-1))
theme.selected_button_back[3] = tonumber(stringtemp:sub(i[2]+1,stringtemp:len()))
return true
end
--SET THEME COLORS-----------------------------------------
local function set_theme_colors()
vb.views.overflow_button.color = flags.overflow and theme.selected_button_back or {0,0,0}
vb.views.condense_button.color = flags.condense and theme.selected_button_back or {0,0,0}
vb.views.redistribute_button.color = flags.redistribute and theme.selected_button_back or {0,0,0}
vb.views.vol_re_button.color = flags.vol_re and theme.selected_button_back or {0,0,0}
vb.views.pan_re_button.color = flags.pan_re and theme.selected_button_back or {0,0,0}
vb.views.fx_re_button.color = flags.fx_re and theme.selected_button_back or {0,0,0}
return true
end
--UPDATE VALUEFIELDS---------------------------------
local function update_valuefields()
vb_notifiers_on = false
if time_was_typed then
vb.views.time_text.value = typed_time
else
vb.views.time_text.value = time * time_multiplier + 1
end
if offset_was_typed then
vb.views.offset_text.value = typed_offset
else
vb.views.offset_text.value = offset * offset_multiplier
end
--if debugvars.extra_curve_controls then vb.views.samplesize_text.value = curve_points[1][curve_type[1]].samplesize end
vb_notifiers_on = true
--print("update_valuefields() end")
return true
end
--UPDATE ANCHOR BITMAPS---------------------------------
local function update_anchor_bitmaps()
--anchor -- 0 = top, 1 = bottom
--anchor_type -- 1 = note, 2 = selection
if anchor == 0 then
if anchor_type == 1 then
vb.views.anchorTL.bitmap = "Bitmaps/anchorTL2.bmp"
vb.views.anchorTR.bitmap = "Bitmaps/anchorTR1.bmp"
vb.views.anchorBL.bitmap = "Bitmaps/anchorBL1.bmp"
vb.views.anchorBR.bitmap = "Bitmaps/anchorBR1.bmp"
elseif anchor_type == 2 then
vb.views.anchorTL.bitmap = "Bitmaps/anchorTL1.bmp"
vb.views.anchorTR.bitmap = "Bitmaps/anchorTR2.bmp"
vb.views.anchorBL.bitmap = "Bitmaps/anchorBL1.bmp"
vb.views.anchorBR.bitmap = "Bitmaps/anchorBR1.bmp"
end
elseif anchor == 1 then
if anchor_type == 1 then
vb.views.anchorTL.bitmap = "Bitmaps/anchorTL1.bmp"
vb.views.anchorTR.bitmap = "Bitmaps/anchorTR1.bmp"
vb.views.anchorBL.bitmap = "Bitmaps/anchorBL2.bmp"
vb.views.anchorBR.bitmap = "Bitmaps/anchorBR1.bmp"
elseif anchor_type == 2 then
vb.views.anchorTL.bitmap = "Bitmaps/anchorTL1.bmp"
vb.views.anchorTR.bitmap = "Bitmaps/anchorTR1.bmp"
vb.views.anchorBL.bitmap = "Bitmaps/anchorBL1.bmp"
vb.views.anchorBR.bitmap = "Bitmaps/anchorBR2.bmp"
end
end
return true
end
--UPDATE COLLISION BITMAPS--------------------------------
local function update_collision_bitmaps()
local our_collisions,wild_collisions = false,false
for k,v in pairs(note_collisions.ours) do
if v then our_collisions = true end
end
for k,v in pairs(note_collisions.wild) do
if v then wild_collisions = true end
end
if our_collisions then
vb.views.collision_sel_bmp.tooltip = tooltips.collision_sel[2] .. tooltips.collision_sel[3]
vb.views.collision_sel_bmp.active = true
vb.views.collision_sel_bmp.mode = "button_color"
if not flags.our_notes then vb.views.collision_sel_bmp.bitmap = "Bitmaps/collision_sel_1.bmp"
else vb.views.collision_sel_bmp.bitmap = "Bitmaps/collision_sel_2.bmp"
end
else
vb.views.collision_sel_bmp.tooltip = tooltips.collision_sel[1]
vb.views.collision_sel_bmp.active = false
vb.views.collision_sel_bmp.bitmap = "Bitmaps/collision_sel_0.bmp"
vb.views.collision_sel_bmp.mode = "main_color"
end
if wild_collisions then
vb.views.collision_wild_bmp.tooltip = tooltips.collision_wild[2] .. tooltips.collision_wild[3]
vb.views.collision_wild_bmp.active = true
vb.views.collision_wild_bmp.mode = "button_color"
if flags.wild_notes then vb.views.collision_wild_bmp.bitmap = "Bitmaps/collision_wild_1.bmp"
else vb.views.collision_wild_bmp.bitmap = "Bitmaps/collision_wild_2.bmp"
end
else
vb.views.collision_wild_bmp.tooltip = tooltips.collision_wild[1]
vb.views.collision_wild_bmp.active = false
vb.views.collision_wild_bmp.bitmap = "Bitmaps/collision_wild_0.bmp"
vb.views.collision_wild_bmp.mode = "main_color"
end
end
--UPDATE CURVE TYPE BITMAPS------------------------
-- local function update_curve_type_bitmaps()
-- if curve_type[1] == 1 then
-- vb.views.curve_type_1.bitmap = "Bitmaps/curve1pressed.bmp"
-- vb.views.curve_type_2.bitmap = "Bitmaps/curve2.bmp"
-- else
-- vb.views.curve_type_1.bitmap = "Bitmaps/curve1.bmp"
-- vb.views.curve_type_2.bitmap = "Bitmaps/curve2pressed.bmp"
-- end
-- end
--UPDATE VOL PAN FX BITMAPS--------------------------
local function update_vol_pan_fx_bitmaps()
if flags.vol then
vb.views.volbutton.bitmap = "Bitmaps/volbuttonpressed.bmp"
vb.views.vol_column.visible = true
else
vb.views.volbutton.bitmap = "Bitmaps/volbutton.bmp"
vb.views.vol_column.visible = false
end
if flags.pan then
vb.views.panbutton.bitmap = "Bitmaps/panbuttonpressed.bmp"
vb.views.pan_column.visible = true
else
vb.views.panbutton.bitmap = "Bitmaps/panbutton.bmp"
vb.views.pan_column.visible = false
end
if flags.fx then
vb.views.fxbutton.bitmap = "Bitmaps/fxbuttonpressed.bmp"
vb.views.fx_column.visible = true
else
vb.views.fxbutton.bitmap = "Bitmaps/fxbutton.bmp"
vb.views.fx_column.visible = false
end
end
--RESET VIEW------------------------------------------
local function reset_view()
vb_notifiers_on = false
vb.views.time_text.value = 1
vb.views.time_slider.value = 0
vb.views.time_multiplier_rotary.value = 1
vb.views.curve_text.value = 0
vb.views.curve_slider.value = 0
vb.views.curve_type_1.bitmap = "Bitmaps/curve1pressed.bmp"
vb.views.curve_type_2.bitmap = "Bitmaps/curve2.bmp"
vb.views.offset_text.value = 0
vb.views.offset_slider.value = 0
vb.views.offset_multiplier_rotary.value = 1
vb.views.vol_min_box.value = flags.vol_orig_min
vb.views.vol_slider.value = 0
vb.views.vol_max_box.value = flags.vol_orig_max
vb.views.pan_min_box.value = flags.pan_orig_min
vb.views.pan_slider.value = 0
vb.views.pan_max_box.value = flags.pan_orig_max
vb.views.fx_min_box.value = flags.fx_orig_min
vb.views.fx_slider.value = 0
vb.views.fx_max_box.value = flags.fx_orig_max
vb.views.collision_sel_bmp.bitmap = "Bitmaps/collision_sel_0.bmp"
vb.views.collision_wild_bmp.bitmap = "Bitmaps/collision_wild_0.bmp"
vb.views.vol_column.visible = false
vb.views.volbutton.bitmap = "Bitmaps/volbutton.bmp"
vb.views.pan_column.visible = false
vb.views.panbutton.bitmap = "Bitmaps/panbutton.bmp"
vb.views.fx_column.visible = false
vb.views.fxbutton.bitmap = "Bitmaps/fxbutton.bmp"
set_theme_colors()
update_anchor_bitmaps()
vb_notifiers_on = true
return true
end
--DEACTIVATE CONTROLS-------------------------------------
local function deactivate_controls()
if window_obj then
vb.views.time_text.active = false
vb.views.time_slider.active = false
vb.views.time_multiplier_rotary.active = false
vb.views.curve_text.active = false
vb.views.curve_slider.active = false
vb.views.curve_type_1.active = false
vb.views.curve_type_2.active = false
vb.views.offset_text.active = false
vb.views.offset_slider.active = false
vb.views.offset_multiplier_rotary.active = false
vb.views.vol_max_box.active = false
vb.views.vol_slider.active = false
vb.views.vol_min_box.active = false
vb.views.vol_re_button.active = false
vb.views.pan_max_box.active = false
vb.views.pan_slider.active = false
vb.views.pan_min_box.active = false
vb.views.pan_re_button.active = false
vb.views.fx_max_box.active = false
vb.views.fx_slider.active = false
vb.views.fx_min_box.active = false
vb.views.fx_re_button.active = false
vb.views.overflow_button.active = false
vb.views.condense_button.active = false
vb.views.redistribute_button.active = false
vb.views.collision_sel_bmp.active = false
vb.views.collision_wild_bmp.active = false
vb.views.anchorTL.active = false
vb.views.anchorTR.active = false
vb.views.anchorBL.active = false
vb.views.anchorBR.active = false
vb.views.volbutton.active = false
vb.views.panbutton.active = false
vb.views.fxbutton.active = false
end
return true
end
--ACTIVATE CONTROLS-------------------------------------
local function activate_controls()
if window_obj then
vb.views.time_text.active = true
vb.views.time_slider.active = true
vb.views.time_multiplier_rotary.active = true
vb.views.curve_text.active = true
vb.views.curve_slider.active = true
vb.views.curve_type_1.active = true
vb.views.curve_type_2.active = true
vb.views.offset_text.active = true
vb.views.offset_slider.active = true
vb.views.offset_multiplier_rotary.active = true
vb.views.vol_max_box.active = true
vb.views.vol_slider.active = true
vb.views.vol_min_box.active = true
vb.views.vol_re_button.active = true
vb.views.pan_max_box.active = true
vb.views.pan_slider.active = true
vb.views.pan_min_box.active = true
vb.views.pan_re_button.active = true
vb.views.fx_max_box.active = true
vb.views.fx_slider.active = true
vb.views.fx_min_box.active = true
vb.views.fx_re_button.active = true
vb.views.overflow_button.active = true
vb.views.condense_button.active = true
vb.views.redistribute_button.active = true
vb.views.collision_sel_bmp.active = true
vb.views.collision_wild_bmp.active = true
vb.views.anchorTL.active = true
vb.views.anchorTR.active = true
vb.views.anchorBL.active = true
vb.views.anchorBR.active = true
vb.views.volbutton.active = true
vb.views.panbutton.active = true
vb.views.fxbutton.active = true
end
return true
end
--RELEASE DOCUMENT------------------------------------------
local function release_document()
--if debugvars.print_notifier_trigger then print("release document notifier triggered!") end
--invalidate selection
valid_selection = false
deactivate_controls()
--invalidate recorded sequence length
seq_length.valid = false
--invalidate all recorded pattern lengths
for k, v in pairs(pattern_lengths) do
v.valid = false
end
--invalidate all recorded visible note columns for tracks
for k, v in pairs(visible_note_columns) do
v.valid = false
end
--invalidate all recorded visible effect columns for tracks
for k, v in pairs(visible_effect_columns) do
v.valid = false
end
--invalidate recorded total track count
track_count.valid = false
end
--NEW DOCUMENT------------------------------------------
local function new_document()
--if debugvars.print_notifier_trigger then print("new document notifier triggered!") end
song = renoise.song()
reset_variables()
reset_view()
end
--ADD DOCUMENT NOTIFIERS------------------------------------------------
local function add_document_notifiers()
--add document release notifier if it doesn't exist yet
if not tool.app_release_document_observable:has_notifier(release_document) then
tool.app_release_document_observable:add_notifier(release_document)
--if debugvars.print_notifier_attach then print("release document notifier attached!") end
end
--add new document notifier if it doesn't exist yet
if not tool.app_new_document_observable:has_notifier(new_document) then
tool.app_new_document_observable:add_notifier(new_document)
--if debugvars.print_notifier_attach then print("new document notifier attached!") end
end
return true
end
--ADD PATTERN LENGTH NOTIFIER-----------------------------------
local function add_pattern_length_notifier(p)
--define the notifier function
local function pattern_length_notifier()
--if debugvars.print_notifier_trigger then
--print(("pattern %i's length notifier triggered!!"):format(p))
--end
pattern_lengths[p].valid = false
--remove it from our record of which pattern length notifiers we currently have attached
pattern_lengths[p].notifier = false
song.patterns[p].number_of_lines_observable:remove_notifier(pattern_length_notifier)
end
--then add it to the pattern in question
song.patterns[p].number_of_lines_observable:add_notifier(pattern_length_notifier)
--add it to our record of which pattern length notifiers we currently have attached
pattern_lengths[p].notifier = true
end
--GET PATTERN LENGTH AT SEQ-----------------------------------------
local function get_pattern_length_at_seq(s)
--convert the sequence index to a pattern index
local p = song.sequencer:pattern(s)
--create an entry for this pattern if there is none yet
if not pattern_lengths[p] then
pattern_lengths[p] = {}
end
--update our records of this pattern's length if we don't have the valid data for it
if not pattern_lengths[p].valid then
pattern_lengths[p].length = song.patterns[p].number_of_lines
pattern_lengths[p].valid = true
--add our notifier to invalidate our recorded pattern length if this pattern's length changes
add_pattern_length_notifier(p)
--if debugvars.print_notifier_attach then
--print(("pattern %i's length notifier attached!!"):format(p))
--end
end
return pattern_lengths[p].length
end
--SEQUENCE COUNT NOTIFIER---------------------------------------------------
local function sequence_count_notifier()
--if debugvars.print_notifier_trigger then print("sequence count notifier triggered!!") end
seq_length.valid = false
song.sequencer.pattern_sequence_observable:remove_notifier(sequence_count_notifier)
end
--GET SEQUENCE LENGTH-------------------------------------
local function get_sequence_length()
if not seq_length.valid then
seq_length.length = #song.sequencer.pattern_sequence
seq_length.valid = true
--add our notifier to invalidate our recorded seq length if the sequence length changes
song.sequencer.pattern_sequence_observable:add_notifier(sequence_count_notifier)
--if debugvars.print_notifier_attach then print("sequence count notifier attached!!") end
end
return seq_length.length
end
--TRACK COUNT NOTIFIER---------------------------------------------------
local function track_count_notifier()
--if debugvars.print_notifier_trigger then print("track count notifier triggered!!") end
track_count.valid = false
song.tracks_observable:remove_notifier(track_count_notifier)
end
--GET TRACK COUNT-------------------------------------
local function get_track_count()
if not track_count.valid then
track_count.count = #song.tracks
track_count.valid = true
--add our notifier to invalidate our recorded track count if the amount of tracks changes
song.tracks_observable:add_notifier(track_count_notifier)
--if debugvars.print_notifier_attach then print("track count notifier attached!!") end
end
return track_count.count
end
--ADD VISIBLE NOTE COLUMNS NOTIFIER-----------------------------------
local function add_visible_note_columns_notifier(t)
--define the notifier function
local function visible_note_columns_notifier()
--if debugvars.print_notifier_trigger then
--print(("track %i's visible note columns notifier triggered!!"):format(t))
--end
visible_note_columns[t].valid = false
--remove it from our record of which notifiers we currently have attached
visible_note_columns[t].notifier = false
song:track(t).visible_note_columns_observable:remove_notifier(visible_note_columns_notifier)
end
--then add it to the track in question
song:track(t).visible_note_columns_observable:add_notifier(visible_note_columns_notifier)
--add it to our record of which notifiers we currently have attached