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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inputs[| 0] = nodeValue("Background", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, DEF_SURFACE);
inputs[| 1] = nodeValue("Foreground", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, DEF_SURFACE);
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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)
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.setDisplay(VALUE_DISPLAY.slider, [ 0, 1, 0.01]);
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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_size2)
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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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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, 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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temp_surface = [ surface_create(1, 1) ];
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static process_data = function(_outSurf, _data, _output_index, _array_index) {
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var _back = _data[0];
var _fore = _data[1];
var _type = _data[2];
var _opacity = _data[3];
var _mask = _data[4];
var _tile = _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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inputs[| 7].setVisible(_outp == 4);
var ww = 1, hh = 1;
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var _foreDraw = _fore;
inputs[| 10].setVisible(_tile == 0);
inputs[| 11].setVisible(_tile == 0);
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if(_tile == 0 && is_surface(_fore)) {
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ww = surface_get_width(_back);
hh = surface_get_height(_back);
var fw = surface_get_width(_fore);
var fh = surface_get_height(_fore);
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temp_surface[0] = surface_verify(temp_surface[0], ww, hh);
_foreDraw = temp_surface[0];
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var sx = 0;
var sy = 0;
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;
}
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surface_set_target(temp_surface[0]);
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draw_clear_alpha(0, 0);
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BLEND_ALPHA
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draw_surface(_fore, sx, sy);
BLEND_NORMAL
surface_reset_target();
}
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switch(_outp) {
case 0 :
ww = surface_get_width(_back);
hh = surface_get_height(_back);
break;
case 1 :
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if(is_surface(_foreDraw)) {
ww = surface_get_width(_foreDraw);
hh = surface_get_height(_foreDraw);
}
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break;
case 2 :
ww = surface_get_width(_mask);
hh = surface_get_height(_mask);
break;
case 3 :
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ww = max(surface_get_width(_back), is_surface(_fore)? surface_get_width(_fore) : 1, surface_get_width(_mask));
hh = max(surface_get_height(_back), is_surface(_fore)? surface_get_height(_fore) : 1, surface_get_height(_mask));
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break;
case 4 :
ww = _out_dim[0];
hh = _out_dim[1];
break;
}
_outSurf = surface_verify(_outSurf, ww, hh);
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surface_set_target(_outSurf);
draw_clear_alpha(0, 0);
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draw_surface_blend(_back, _foreDraw, _type, _opacity, _pre_alp, _mask, max(0, _tile - 1));
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surface_reset_target();
return _outSurf;
}
}