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, noone);
inputs[| 1] = nodeValue("Palette", self, JUNCTION_CONNECT.input, VALUE_TYPE.color, array_clone(DEF_PALETTE))
.setDisplay(VALUE_DISPLAY.palette);
inputs[| 2] = nodeValue("Shift", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.slider, { range: [-1, 1, 0.1] });
inputs[| 3] = nodeValue("Mask", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, noone);
inputs[| 4] = nodeValue("Mix", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 5] = nodeValue("Active", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
active_index = 5;
inputs[| 6] = nodeValue("Channel", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0b1111)
.setDisplay(VALUE_DISPLAY.toggle, { data: array_create(4, THEME.inspector_channel) });
__init_mask_modifier(3); // inputs 7, 8
input_display_list = [ 5, 6,
["Surfaces", true], 0, 3, 4, 7, 8,
["Palette", false], 1, 2
]
outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
attribute_surface_depth();
static step = function() { #region
__step_mask_modifier();
} #endregion
static processData = function(_outSurf, _data, _output_index, _array_index) { #region
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);
draw_surface_safe(_data[0]);
surface_reset_shader();
__process_mask_modifier(_data);
_outSurf = mask_apply(_data[0], _outSurf, _data[3], _data[4]);
_outSurf = channel_apply(_data[0], _outSurf, _data[6]);
return _outSurf;
} #endregion
}