Pixel-Composer/scripts/node_blend/node_blend.gml

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function Node_create_Blend(_x, _y, _group = noone, _param = {}) {
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var node = new Node_Blend(_x, _y, _group);
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return node;
}
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function Node_Blend(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
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name = "Blend";
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atlas_index = 1;
manage_atlas = false;
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inputs[| 0] = nodeValue("Background", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, noone);
inputs[| 1] = nodeValue("Foreground", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, noone);
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inputs[| 2] = nodeValue("Blend mode", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
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.setDisplay(VALUE_DISPLAY.enum_scroll, BLEND_TYPES );
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inputs[| 3] = nodeValue("Opacity", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
.setDisplay(VALUE_DISPLAY.slider);
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inputs[| 4] = nodeValue("Mask", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
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inputs[| 5] = nodeValue("Fill mode", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_scroll, [ "None", "Stretch", "Tile" ]);
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inputs[| 6] = nodeValue("Output dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_scroll, [ "Background", "Forground", "Mask", "Maximum", "Constant" ])
.rejectArray();
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inputs[| 7] = nodeValue("Constant dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, DEF_SURF)
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.setDisplay(VALUE_DISPLAY.vector);
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inputs[| 8] = nodeValue("Active", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
active_index = 8;
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inputs[| 9] = nodeValue("Preserve alpha", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false);
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inputs[| 10] = nodeValue("Horizontal Align", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_button, [ THEME.inspector_surface_halign, THEME.inspector_surface_halign, THEME.inspector_surface_halign]);
inputs[| 11] = nodeValue("Vertical Align", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_button, [ THEME.inspector_surface_valign, THEME.inspector_surface_valign, THEME.inspector_surface_valign]);
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inputs[| 12] = nodeValue("Invert mask", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false);
inputs[| 13] = nodeValue("Mask feather", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
.setDisplay(VALUE_DISPLAY.slider, { range: [1, 16, 1] });
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outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
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input_display_list = [ 8,
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["Surfaces", true], 0, 1, 4, 12, 13, 6, 7,
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["Blend", false], 2, 3, 9,
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["Transform", false], 5, 10, 11,
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]
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attribute_surface_depth();
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temp_surface = [ surface_create(1, 1), surface_create(1, 1) ];
blend_temp_surface = temp_surface[1];
static step = function() { #region
var _back = getSingleValue(0);
var _fore = getSingleValue(1);
var _fill = getSingleValue(5);
var _outp = getSingleValue(6);
var _atlas = is_instanceof(_fore, SurfaceAtlas);
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inputs[| 5].setVisible(!_atlas);
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inputs[| 6].editWidget.data_list = _atlas? [ "Background", "Forground" ] : [ "Background", "Forground", "Mask", "Maximum", "Constant" ];
inputs[| 7].setVisible(_outp == 4);
inputs[| 10].setVisible(_fill == 0 && !_atlas);
inputs[| 11].setVisible(_fill == 0 && !_atlas);
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var _msk = is_surface(getSingleValue(4));
inputs[| 12].setVisible(_msk);
inputs[| 12].setVisible(_msk);
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} #endregion
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static processData = function(_outSurf, _data, _output_index, _array_index) { #region
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var _back = _data[0];
var _fore = _data[1];
var _type = _data[2];
var _opacity = _data[3];
var _mask = _data[4];
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var _fill = _data[5];
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var _outp = _data[6];
var _out_dim = _data[7];
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var _pre_alp = _data[9];
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var _halign = _data[10];
var _valign = _data[11];
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var _mskInv = _data[12];
var _mskFea = _data[13];
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var cDep = attrDepth();
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var ww = 1, hh = 1;
var _backDraw = _back;
var _foreDraw = _fore;
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var _atlas = is_instanceof(_fore, SurfaceAtlas);
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switch(_outp) { // Dimension
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case 0 :
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ww = surface_get_width_safe(_back);
hh = surface_get_height_safe(_back);
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break;
case 1 :
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ww = surface_get_width_safe(_fore);
hh = surface_get_height_safe(_fore);
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break;
case 2 :
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ww = surface_get_width_safe(_mask);
hh = surface_get_height_safe(_mask);
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break;
case 3 :
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ww = max(surface_get_width_safe(_back), surface_get_width_safe(_fore), surface_get_width_safe(_mask));
hh = max(surface_get_height_safe(_back), surface_get_height_safe(_fore), surface_get_height_safe(_mask));
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break;
case 4 :
ww = _out_dim[0];
hh = _out_dim[1];
break;
}
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if(_fill == 0 || _atlas) { // Direct placement
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for( var i = 0; i < 2; i++ )
temp_surface[i] = surface_verify(temp_surface[i], ww, hh, cDep);
_foreDraw = temp_surface[1];
if(_atlas) {
if(_outp == 0) {
surface_set_shader(_foreDraw, noone,, BLEND.over);
draw_surface_safe(_fore.getSurface(), _fore.x, _fore.y);
surface_reset_shader();
} else if(_outp == 1) {
_backDraw = temp_surface[0];
surface_set_shader(_foreDraw, noone,, BLEND.over);
draw_surface_safe(_fore, 0, 0);
surface_reset_shader();
surface_set_shader(_backDraw, noone,, BLEND.over);
draw_surface_safe(_back, -_fore.x, -_fore.y);
surface_reset_shader();
}
} else if(is_surface(_fore)) {
var sx = 0;
var sy = 0;
var fw = surface_get_width_safe(_fore);
var fh = surface_get_height_safe(_fore);
switch(_halign) {
case 0 : sx = 0; break;
case 1 : sx = ww / 2 - fw / 2; break;
case 2 : sx = ww - fw; break;
}
switch(_valign) {
case 0 : sy = 0; break;
case 1 : sy = hh / 2 - fh / 2; break;
case 2 : sy = hh - fh; break;
}
surface_set_shader(_foreDraw, noone,, BLEND.over);
draw_surface_safe(_fore, sx, sy);
surface_reset_shader();
}
}
var _output = noone;
if(is_instanceof(_outSurf, SurfaceAtlas))
_output = surface_verify(_outSurf.surface.surface, ww, hh, cDep);
else
_output = surface_verify(_outSurf, ww, hh, cDep);
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_mask = mask_modify(_mask, _mskInv, _mskFea);
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surface_set_shader(_output, noone);
draw_surface_blend(_backDraw, _foreDraw, _type, _opacity, _pre_alp, _mask, _fill == 2);
surface_reset_shader();
if(_atlas) {
var _newAtl = _fore.clone();
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if(_outp == 0) {
_newAtl.x = 0;
_newAtl.y = 0;
}
_newAtl.setSurface(_output);
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return _newAtl;
}
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return _outSurf;
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} #endregion
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}