Pixel-Composer/scripts/node_palette_shift/node_palette_shift.gml

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function Node_Palette_Shift(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "Palette Shift";
inputs[| 0] = nodeValue("Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
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inputs[| 1] = nodeValue("Palette", self, JUNCTION_CONNECT.input, VALUE_TYPE.color, DEF_PALETTE)
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.setDisplay(VALUE_DISPLAY.palette);
inputs[| 2] = nodeValue("Shift", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.slider, [-1, 1, 1]);
inputs[| 3] = nodeValue("Mask", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 4] = nodeValue("Mix", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
.setDisplay(VALUE_DISPLAY.slider, [0, 1, 0.01]);
inputs[| 5] = nodeValue("Active", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
active_index = 5;
input_display_list = [ 5,
["Output", true], 0, 3, 4,
["Palette", false], 1, 2
]
outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
attribute_surface_depth();
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static processData = function(_outSurf, _data, _output_index, _array_index) { #region
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var _pal = _data[1];
var _shf = _data[2];
var _colors = [];
for(var i = 0; i < array_length(_pal); i++)
array_append(_colors, colToVec4(_pal[i]));
inputs[| 2].editWidget.minn = -array_length(_pal);
inputs[| 2].editWidget.maxx = array_length(_pal);
surface_set_shader(_outSurf, sh_palette_shift);
shader_set_f("palette", _colors);
shader_set_f("paletteAmount", array_length(_pal));
shader_set_f("shift", _shf);
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draw_surface_safe(_data[0], 0, 0);
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surface_reset_shader();
_outSurf = mask_apply(_data[0], _outSurf, _data[3], _data[4]);
return _outSurf;
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} #endregion
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}