Pixel-Composer/scripts/node_edge_detect/node_edge_detect.gml
2024-09-04 08:57:11 +07:00

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function Node_Edge_Detect(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "Edge Detect";
shader = sh_edge_detect;
uniform_dim = shader_get_uniform(shader, "dimension");
uniform_filter = shader_get_uniform(shader, "filter");
uniform_sam = shader_get_uniform(shader, "sampleMode");
newInput(0, nodeValue_Surface("Surface in self", self));
newInput(1, nodeValue_Enum_Scroll("Algorithm", self, 0, ["Sobel", "Prewitt", "Laplacian", "Neighbor max diff"] ));
newInput(2, nodeValue_Enum_Scroll("Oversample mode", self, 0, [ "Empty", "Clamp", "Repeat" ]))
.setTooltip("How to deal with pixel outside the surface.\n - Empty: Use empty pixel\n - Clamp: Repeat edge pixel\n - Repeat: Repeat texture.");
newInput(3, nodeValue_Surface("Mask", self));
newInput(4, nodeValue_Float("Mix", self, 1))
.setDisplay(VALUE_DISPLAY.slider);
newInput(5, nodeValue_Bool("Active", self, true));
active_index = 5;
newInput(6, nodeValue_Toggle("Channel", self, 0b1111, { data: array_create(4, THEME.inspector_channel) }));
__init_mask_modifier(3); // inputs 7, 8
newOutput(0, nodeValue_Output("Surface out", self, VALUE_TYPE.surface, noone));
input_display_list = [ 5, 6,
["Surfaces", true], 0, 3, 4, 7, 8,
["Edge detect", false], 1,
];
attribute_surface_depth();
attribute_oversample();
static step = function() { #region
__step_mask_modifier();
} #endregion
static processData = function(_outSurf, _data, _output_index, _array_index) {
var ft = _data[1];
var ov = struct_try_get(attributes, "oversample");
surface_set_target(_outSurf);
DRAW_CLEAR
BLEND_OVERRIDE;
shader_set(shader);
shader_set_uniform_f_array_safe(uniform_dim, [surface_get_width_safe(_data[0]), surface_get_height_safe(_data[0])]);
shader_set_uniform_i(uniform_filter, ft);
shader_set_uniform_i(uniform_sam, ov);
draw_surface_safe(_data[0]);
shader_reset();
BLEND_NORMAL;
surface_reset_target();
__process_mask_modifier(_data);
_outSurf = mask_apply(_data[0], _outSurf, _data[3], _data[4]);
_outSurf = channel_apply(_data[0], _outSurf, _data[6]);
return _outSurf;
}
}