Pixel-Composer/scripts/node_bloom/node_bloom.gml

function Node_Bloom(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
	name = "Bloom";
	
	newInput(0, nodeValue_Surface("Surface in", self));
	newInput(1, nodeValue_Float("Size", self, 3, "Bloom blur radius."))
		.setDisplay(VALUE_DISPLAY.slider, { range: [1, 32, 0.1] });
	
	newInput(2, nodeValue_Float("Tolerance", self, 0.5, "How bright a pixel should be to start blooming."))
		.setDisplay(VALUE_DISPLAY.slider);
	
	newInput(3, nodeValue_Float("Strength", self, .25, "Blend intensity."))
		.setDisplay(VALUE_DISPLAY.slider, { range: [ 0, 2, 0.01] });
		
	newInput(4, nodeValue_Surface("Bloom mask", self));
	
	newInput(5, nodeValue_Surface("Mask", self));
	
	newInput(6, nodeValue_Float("Mix", self, 1))
		.setDisplay(VALUE_DISPLAY.slider);
	
	newInput(7, nodeValue_Bool("Active", self, true));
		active_index = 7;
	
	newInput(8, nodeValue_Toggle("Channel", self, 0b1111, { data: array_create(4, THEME.inspector_channel) }));
	
	__init_mask_modifier(5); // inputs 9, 10
	
	newInput(11, nodeValue_Float("Aspect Ratio", self, 1))
		.setDisplay(VALUE_DISPLAY.slider);
	
	newInput(12, nodeValue_Rotation("Direction", self, 0));
	
	newInput(13, nodeValue_Enum_Scroll("Types", self, 0, [ "Gaussian", "Zoom" ]));
	
	newInput(14, nodeValue_Vec2("Zoom Origin", self, [ 0.5, 0.5 ]))
		.setUnitRef(function(index) { return getDimension(index); }, VALUE_UNIT.reference);
		
	input_display_list = [ 7, 8, 
		["Surfaces",  true], 0, 5, 6, 9, 10, 
		["Bloom",	 false], 1, 2, 3, 4,
		["Blur",	 false], 13, 11, 12, 14, 
	]
	
	newOutput(0, nodeValue_Output("Surface out", self, VALUE_TYPE.surface, noone));
	
	newOutput(1, nodeValue_Output("Bloom Mask", self, VALUE_TYPE.surface, noone));
	
	temp_surface = [ 0 ];
	
	attribute_surface_depth();
	surface_blur_init();
	
	static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
		var _typ = getSingleValue(13);
		var _hov = false;
		
		if(_typ == 1) { var hv = inputs[14].drawOverlay(hover, active, _x, _y, _s, _mx, _my, _snx, _sny); _hov |= hv; }
		
		return _hov;
	}
	
	static step = function() {
		__step_mask_modifier();
		
		var _typ = getSingleValue(13);
		inputs[11].setVisible(_typ == 0);
		inputs[12].setVisible(_typ == 0);
		inputs[14].setVisible(_typ == 1);
	}
	
	static processData = function(_outData, _data, _output_index, _array_index) {
		var _surf  = _data[0];
		var _size  = _data[1];
		var _tole  = _data[2];
		var _stre  = _data[3];
		var _mask  = _data[4];
		
		var _type  = _data[13];
		var _ratio = _data[11];
		var _angle = _data[12];
		var _zoom  = _data[14];
		
		var _sw = surface_get_width_safe(_surf);
		var _sh = surface_get_height_safe(_surf);
		
		temp_surface[0] = surface_verify(temp_surface[0], _sw, _sh);	
		var _outSurf    = surface_verify(_outData[0], _sw, _sh);
		var _maskSurf   = surface_verify(_outData[1], _sw, _sh);
		
		surface_set_shader(temp_surface[0], sh_bloom_pass);
			draw_clear_alpha(c_black, 1);
			shader_set_f("size",      _size);
			shader_set_f("tolerance", _tole);
				
			shader_set_i("useMask",    is_surface(_mask));
			shader_set_surface("mask", _mask);
				
			draw_surface_safe(_surf);
		surface_reset_shader();
		
		var pass1blur;
		
		     if(_type == 0) pass1blur = surface_apply_gaussian( temp_surface[0], _size, true, c_black, 1, noone, false, _ratio, _angle);
		else if(_type == 1) pass1blur = surface_apply_blur_zoom(temp_surface[0], _size, _zoom[0], _zoom[1], 2, 1);
		
		surface_set_shader(_outSurf, sh_blend_add_alpha_adj);
			shader_set_surface("fore", pass1blur);
			shader_set_f("opacity",	   _stre);
			
			draw_surface_safe(_surf);
		surface_reset_shader();
		
		surface_set_shader(_maskSurf, noone);
			draw_surface_safe(pass1blur);
		surface_reset_shader();
		
		__process_mask_modifier(_data);
		_outSurf = mask_apply(_surf, _outSurf, _data[5], _data[6]);
		_outSurf = channel_apply(_surf, _outSurf, _data[8]);
		
		return [ _outSurf, _maskSurf ];
	}
}