56 lines
1.8 KiB
Lua
56 lines
1.8 KiB
Lua
---------------------------------------------------------------------------
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-- Invert Selection
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-- by AnS, 2012
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---------------------------------------------------------------------------
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-- Showcases following functions:
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-- * taseditor.getselection()
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-- * taseditor.setselection()
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---------------------------------------------------------------------------
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-- Usage:
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-- Run the script, unpause emulation (or simply Frame Advance once).
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-- Now you can press "Invert Selection" button to invert current Selection.
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-- Previously selected frames become deselected, all other frames become selected.
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---------------------------------------------------------------------------
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function display_selection()
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if (taseditor.engaged()) then
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selection_table = taseditor.getselection();
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if (selection_table ~= nil) then
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selection_size = #selection_table;
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gui.text(0, 10, "Selection: " .. selection_size .. " rows");
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else
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gui.text(0, 10, "Selection: no");
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end
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else
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gui.text(1, 9, "TAS Editor is not engaged.");
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end
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end
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function invert_selection()
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old_sel = taseditor.getselection();
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new_sel = {};
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-- Select all
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movie_size = movie.length();
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for i = 0, movie_size do
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new_sel[i + 1] = i;
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end
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if (selection_table ~= nil) then
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-- Substract old selection from new selection set
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for i = #old_sel, 1, -1 do
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selected_frame = old_sel[i];
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-- we're taking advantage of the fact that "old_sel" is sorted in ascending order
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-- so we can safely use table.remove to remove indexes from the end to the beginning
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table.remove(new_sel, selected_frame + 1);
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end
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end
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-- Apply new set to TAS Editor selection
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taseditor.setselection(new_sel);
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end
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taseditor.registerauto(display_selection);
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taseditor.registermanual(invert_selection, "Invert Selection");
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