function Node_create_Equation(_x, _y, _group = noone, _param = {}) { #region var query = struct_try_get(_param, "query", ""); var node = new Node_Equation(_x, _y, _group); if(query == "") return node; node.inputs[| 0].setValue(query); var ind = 1; var amo = string_length(query); var str = ""; var pres = global.EQUATION_PRES; var vars = []; for( var ind = 1; ind <= amo; ind++ ) { var ch = string_char_at(query, ind); if(ds_map_exists(pres, ch) || ch == "(" || ch == ")") { if(str != "" && str != toNumber(str)) array_push_unique(vars, str); str = ""; } else str += ch; } if(str != "" && str != toNumber(str)) array_push_unique(vars, str); for( var i = 0, n = array_length(vars); i < n; i++ ) node.inputs[| 1 + i * 2].setValue(vars[i]); return node; } #endregion function Node_Equation(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor { name = "Equation"; color = COLORS.node_blend_number; draw_pad_w = 10; setDimension(96, 48); ast = []; attributes.size = 0; inputs[| 0] = nodeValue("Equation", self, JUNCTION_CONNECT.input, VALUE_TYPE.text, ""); outputs[| 0] = nodeValue("Result", self, JUNCTION_CONNECT.output, VALUE_TYPE.float, 0); argument_renderer = new Inspector_Custom_Renderer(function(_x, _y, _w, _m, _hover, _focus) { #region argument_renderer.x = _x; argument_renderer.y = _y; argument_renderer.w = _w; var bw = _w / 2 - ui(4); var bh = ui(36); if(buttonTextIconInstant(true, THEME.button_hide, _x, _y + ui(8), bw, bh, _m, _focus, _hover, "", THEME.add, __txt("Add"), COLORS._main_value_positive) == 2) { attributes.size++; refreshDynamicInput(); update(); } var amo = attributes.size; if(buttonTextIconInstant(attributes.size > 0, THEME.button_hide, _x + _w - bw, _y + ui(8), bw, bh, _m, _focus, _hover, "", THEME.minus, __txt("Remove"), COLORS._main_value_negative) == 2) { attributes.size--; refreshDynamicInput(); update(); } var tx = _x + ui(8); var ty = _y + bh + ui(16); var hh = bh + ui(16); var _th = TEXTBOX_HEIGHT; for( var i = input_fix_len; i < ds_list_size(inputs); i += data_length ) { var _h = 0; var _jName = inputs[| i + 0]; _jName.editWidget.setFocusHover(_focus, _hover); _jName.editWidget.draw(tx, ty, ui(128), _th, _jName.showValue(), _m, _jName.display_type); draw_set_text(f_p1, fa_center, fa_top, COLORS._main_text_sub); draw_text_add(tx + ui(128 + 12), ty + ui(6), "="); var _jValue = inputs[| i + 1]; _jValue.editWidget.setFocusHover(_focus, _hover); _jValue.editWidget.draw(tx + ui(128 + 24), ty, _w - ui(128 + 24 + 16), _th, _jValue.showValue(), _m); _h += _th + ui(6); hh += _h; ty += _h; } argument_renderer.h = hh; return hh; }); #endregion argument_renderer.register = function(parent = noone) { #region for( var i = input_fix_len; i < ds_list_size(inputs); i++ ) inputs[| i].editWidget.register(parent); } #endregion input_display_list = [ ["Function", false], 0, ["Arguments", false], argument_renderer, ["Inputs", true], ] static createNewInput = function() { var index = ds_list_size(inputs); inputs[| index + 0] = nodeValue("Argument name", self, JUNCTION_CONNECT.input, VALUE_TYPE.text, "" ) .setDisplay(VALUE_DISPLAY.text_box); inputs[| index + 1] = nodeValue("Argument value", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0 ) .setVisible(true, true); return inputs[| index + 0]; } setDynamicInput(2, false); static refreshDynamicInput = function() { #region var _l = ds_list_create(); var amo = attributes.size; for(var i = 0; i < input_fix_len; i++ ) ds_list_add(_l, inputs[| i]); for(var i = 0; i < amo; i++ ) { var _i = input_fix_len + i * data_length; if(_i >= ds_list_size(_l)) createNewInput(); for(var j = 0; j < data_length; j++) ds_list_add(_l, inputs[| _i + j]); } input_display_list = array_clone(input_display_list_raw); for( var i = input_fix_len; i < ds_list_size(_l); i++ ) { _l[| i].index = i; array_push(input_display_list, i); } ds_list_destroy(inputs); inputs = _l; getJunctionList(); setHeight(); } #endregion static onValueUpdate = function(index = 0) { #region if(LOADING || APPENDING) return; if(safe_mod(index - input_fix_len, data_length) == 0) //Variable name inputs[| index + 1].name = getInputData(index); } #endregion static processData = function(_output, _data, _output_index, _array_index = 0) { #region var eq = _data[0]; var params = {}; for( var i = input_fix_len; i < array_length(_data); i += data_length ) { var _pName = _data[i + 0]; var _pVal = _data[i + 1]; if(_pName != "") params[$ _pName] = _pVal; } var _tree = array_safe_get_fast(ast, _array_index, noone); if(_tree == noone || _tree.fx != eq) { ast[_array_index] = { fx: eq, tree: evaluateFunctionTree(eq) }; _tree = ast[_array_index]; } if(_tree == noone) return noone; return _tree.tree.eval(params); } #endregion static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) { #region draw_set_text(f_sdf, fa_center, fa_center, COLORS._main_text); var str = getInputData(0); var bbox = drawGetBbox(xx, yy, _s); var ss = string_scale(str, bbox.w, bbox.h); draw_text_transformed(bbox.xc, bbox.yc, str, ss, ss, 0); } #endregion static doApplyDeserialize = function() { refreshDynamicInput(); } }