Pixel-Composer/scripts/node_skew/node_skew.gml
2023-08-12 12:35:35 +02:00

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function Node_Skew(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "Skew";
inputs[| 0] = nodeValue("Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 1] = nodeValue("Axis", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_button, ["x", "y"]);
inputs[| 2] = nodeValue("Amount", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
.setDisplay(VALUE_DISPLAY.slider, [-1, 1, 0.01]);
inputs[| 3] = nodeValue("Wrap", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false);
inputs[| 4] = nodeValue("Center", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, [0, 0] )
.setDisplay(VALUE_DISPLAY.vector, button(function() { centerAnchor(); })
.setIcon(THEME.anchor)
.setTooltip(__txt("Set to center")));
inputs[| 5] = nodeValue("Oversample mode", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0, "How to deal with pixel outside the surface.\n - Empty: Use empty pixel\n - Clamp: Repeat edge pixel\n - Repeat: Repeat texture.")
.setDisplay(VALUE_DISPLAY.enum_scroll, [ "Empty", "Clamp", "Repeat" ]);
inputs[| 6] = nodeValue("Mask", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 7] = nodeValue("Mix", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
.setDisplay(VALUE_DISPLAY.slider, [0, 1, 0.01]);
inputs[| 8] = nodeValue("Active", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
active_index = 8;
input_display_list = [ 8,
["Output", true], 0, 6, 7,
["Skew", false], 1, 2, 4,
]
outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
attribute_surface_depth();
attribute_oversample();
attribute_interpolation();
static centerAnchor = function() {
if(!is_surface(current_data[0])) return;
var ww = surface_get_width(current_data[0]);
var hh = surface_get_height(current_data[0]);
inputs[| 4].setValue([ww / 2, hh / 2]);
}
static drawOverlay = function(active, _x, _y, _s, _mx, _my, _snx, _sny) {
inputs[| 4].drawOverlay(active, _x, _y, _s, _mx, _my, _snx, _sny);
}
static process_data = function(_outSurf, _data, _output_index, _array_index) {
var _axis = _data[1];
var _amou = _data[2];
var _wrap = _data[3];
var _cent = _data[4];
var _samp = struct_try_get(attributes, "oversample");
surface_set_shader(_outSurf, sh_skew);
shader_set_interpolation(_data[0]);
shader_set_dim("dimension", _data[0]);
shader_set_f("center", _cent);
shader_set_i("axis", _axis);
shader_set_f("amount", _amou);
shader_set_i("sampleMode", _samp);
draw_surface_safe(_data[0], 0, 0);
surface_reset_shader();
_outSurf = mask_apply(_data[0], _outSurf, _data[6], _data[7]);
return _outSurf;
}
}