function Node_Pack_Sprites(_x, _y, _group = noone) : Node(_x, _y, _group) constructor { name = "Pack Sprites"; newInput(0, nodeValue_Surface("Sprites", self)); newInput(1, nodeValue_Enum_Scroll("Algorithm", self, 0, { data: [ "Skyline", "Shelf", "Top left", "Best fit" ], update_hover: false })); newInput(2, nodeValue_Int("Max width", self, 128)); newInput(3, nodeValue_Int("Max height", self, 128)); newInput(4, nodeValue_Int("Spacing", self, 0)); outputs[0] = nodeValue_Output("Packed image", self, VALUE_TYPE.surface, noone); outputs[1] = nodeValue_Output("Atlas data", self, VALUE_TYPE.surface, []); input_display_list = [ 0, 4, 1, 2, 3 ]; static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) { #region var rect = outputs[1].getValue(); var spac = getInputData(4); draw_set_color(COLORS._main_accent); for( var i = 0, n = array_length(rect); i < n; i++ ) { var r = rect[i]; var _surf = r.getSurface(); var _sx = r.x; var _sy = r.y; if(!is_surface(_surf)) continue; var _sw = surface_get_width_safe(_surf); var _sh = surface_get_height_safe(_surf); draw_rectangle( _x + _s * (_sx), _y + _s * (_sy), _x + _s * (_sx + _sw), _y + _s * (_sy + _sh), true); } } #endregion static step = function() { #region var algo = getInputData(1); inputs[2].setVisible(algo == 1 || algo == 0); inputs[3].setVisible(algo == 2 || algo == 0); } #endregion static update = function() { #region var _inpt = getInputData(0); var _algo = getInputData(1); var _spac = getInputData(4); if(!is_array(_inpt) || array_length(_inpt) == 0) return; var _rects = [], _ind = 0; for( var i = 0, n = array_length(_inpt); i < n; i++ ) { var s = _inpt[i]; if(!is_surface(s)) continue; _rects[_ind] = new SurfaceAtlas(s); _rects[_ind].w = surface_get_width_safe(s) + _spac * 2; _rects[_ind].h = surface_get_height_safe(s) + _spac * 2; _ind++; } array_resize(_rects, _ind); var pack; switch(_algo) { case 0 : var _wid = getInputData(2); var _hei = getInputData(3); pack = sprite_pack_skyline(_rects, _wid, _hei); break; case 1 : var _wid = getInputData(2); pack = sprite_pack_shelf(_rects, _wid); break; case 2 : var _hei = getInputData(3); pack = sprite_pack_bottom_left(_rects, _hei); break; case 3 : pack = sprite_pack_best_fit(_rects); break; } var area = pack[0]; var rect = pack[1]; var atlas = []; if(array_length(rect) < array_length(_rects)) { var _txt = $"Not enought space, packed {array_length(rect)} out of {array_length(_rects)} images."; logNode(_txt); noti_warning(_txt); } var _surf = outputs[0].getValue(); _surf = surface_verify(_surf, area.w, area.h, surface_get_format(_inpt[0])); outputs[0].setValue(_surf); surface_set_target(_surf); DRAW_CLEAR BLEND_OVERRIDE for( var i = 0, n = array_length(rect); i < n; i++ ) { var r = rect[i]; array_push(atlas, new SurfaceAtlas(r.surface.surface, r.x + _spac, r.y + _spac)); draw_surface_safe(r.surface.surface, r.x + _spac, r.y + _spac); } BLEND_NORMAL surface_reset_target(); outputs[1].setValue(atlas); } #endregion }