Pixel-Composer/scripts/node_find_pixel/node_find_pixel.gml
2024-11-13 14:35:04 +07:00

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function Node_Find_Pixel(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "Find pixel";
setDimension(96, 48);
newInput(0, nodeValue_Surface("Surface in", self));
newInput(1, nodeValue_Color("Search color", self, c_black));
newInput(2, nodeValue_Float("Tolerance", self, 0))
.setDisplay(VALUE_DISPLAY.slider);
newInput(3, nodeValue_Bool("Find all", self, false));
newInput(4, nodeValue_Bool("Include alpha", self, false));
newInput(5, nodeValue_Float("Alpha tolerance", self, 0.2))
.setDisplay(VALUE_DISPLAY.slider);
newOutput(0, nodeValue_Output("Position", self, VALUE_TYPE.integer, [ 0, 0 ]))
.setDisplay(VALUE_DISPLAY.vector);
input_display_list = [ 0,
["Search", false], 1, 2, 3,
["Alpha", true, 4], 5,
]
temp_surface = [ surface_create(1, 1) ];
static getPreviewValues = function() { return getInputData(0); }
static processData = function(_output, _data, _output_index, _array_index = 0) {
var _surf = _data[0];
var _col = _data[1];
var _tol = _data[2];
var _all = _data[3];
var _alp = _data[4];
var _alpT = _data[5];
if(!is_surface(_surf)) return [0, 0];
var _buff = buffer_from_surface(_surf, false);
var _sw = surface_get_width_safe(_surf);
var _sh = surface_get_height_safe(_surf);
buffer_seek(_buff, buffer_seek_start, 0);
var res = [];
var r = _color_get_r( _col );
var g = _color_get_g( _col );
var b = _color_get_b( _col );
var a = _color_get_a( _col );
var _am = _sw * _sh, _i = -1;
repeat(_am) {
_i++;
var _c = buffer_read(_buff, buffer_u32);
var _r = ((_c & 0x000000FF) >> 0) / 255;
var _g = ((_c & 0x0000FF00) >> 8) / 255;
var _b = ((_c & 0x00FF0000) >> 16) / 255;
var _a = ((_c & 0xFF000000) >> 24) / 255;
if(!_alp && _a == 0) continue;
var colMatch = (abs(r - _r) + abs(g - _g) + abs(b - _b)) / 3 <= _tol;
if(!colMatch) continue;
if(!_alp || abs(a - _a) <= _alpT) {
var _pnt = [ _i % _sw, floor(_i / _sw) ];
if(_all) array_push(res, _pnt);
else return _pnt;
}
}
buffer_delete(_buff);
return _all? res : [ -1, -1 ];
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var bbox = drawGetBbox(xx, yy, _s);
var col = getInputData(1);
if(bbox.h <= 0) return;
if(is_array(col)) {
drawPalette(col, bbox.x0, bbox.y0, bbox.w, bbox.h);
return;
}
drawColor(col, bbox.x0, bbox.y0, bbox.w, bbox.h);
}
}