Pixel-Composer/scripts/node_shadow_cast/node_shadow_cast.gml
2023-01-17 14:11:55 +07:00

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function Node_Shadow_Cast(_x, _y, _group = -1) : Node_Processor(_x, _y, _group) constructor {
name = "Cast shadow";
shader = sh_shadow_cast;
uniform_dim = shader_get_uniform(shader, "dimension");
uniform_lpos = shader_get_uniform(shader, "lightPos");
uniform_prad = shader_get_uniform(shader, "pointLightRadius");
uniform_lrad = shader_get_uniform(shader, "lightRadius");
uniform_lden = shader_get_uniform(shader, "lightDensity");
uniform_ltyp = shader_get_uniform(shader, "lightType");
uniform_lamb = shader_get_uniform(shader, "lightAmb");
uniform_lclr = shader_get_uniform(shader, "lightClr");
uniform_sol = shader_get_uniform(shader, "renderSolid");
uniform_solid = shader_get_sampler_index(shader, "solid");
inputs[| 0] = nodeValue(0, "Background", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 1] = nodeValue(1, "Solid", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 2] = nodeValue(2, "Light Position", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 0, 0 ])
.setDisplay(VALUE_DISPLAY.vector)
.setUnitRef(function(index) {
var _surf = inputs[| 0].getValue();
if(is_array(_surf) && array_length(_surf) == 0)
return [1, 1];
if(is_array(_surf))
_surf = _surf[0];
if(!is_surface(_surf))
return [1, 1];
return [surface_get_width(_surf), surface_get_height(_surf)];
}, VALUE_UNIT.reference);
inputs[| 3] = nodeValue(3, "Soft light radius", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
.setDisplay(VALUE_DISPLAY.slider, [0, 2, 0.01]);
inputs[| 4] = nodeValue(4, "Light density", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 1)
.setDisplay(VALUE_DISPLAY.slider, [1, 16, 1]);
inputs[| 5] = nodeValue(5, "Light type", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_scroll, ["Point", "Sun"]);
inputs[| 6] = nodeValue(6, "Ambient color", self, JUNCTION_CONNECT.input, VALUE_TYPE.color, c_grey);
inputs[| 7] = nodeValue(7, "Light color", self, JUNCTION_CONNECT.input, VALUE_TYPE.color, c_white);
inputs[| 8] = nodeValue(8, "Light radius", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 16);
inputs[| 9] = nodeValue(9, "Render solid", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
outputs[| 0] = nodeValue(0, "Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, PIXEL_SURFACE);
input_display_list = [
["Surface", false], 0, 1,
["Light", false], 5, 8, 2, 3, 4,
["Render", false], 7, 6, 9,
];
static drawOverlay = function(active, _x, _y, _s, _mx, _my, _snx, _sny) {
inputs[| 2].drawOverlay(active, _x, _y, _s, _mx, _my, _snx, _sny);
var _type = current_data[5];
if(_type == 0) {
var pos = current_data[2];
var px = _x + pos[0] * _s;
var py = _y + pos[1] * _s;
inputs[| 8].drawOverlay(active, px, py, _s, _mx, _my, _snx, _sny, 0, 1 / 4, THEME.anchor_scale_hori);
}
}
static process_data = function(_outSurf, _data, _output_index, _array_index) {
var _bg = _data[0];
var _solid = _data[1];
var _pos = _data[2];
var _rad = _data[3];
var _den = _data[4];
var _type = _data[5];
var _lamb = _data[6];
var _lclr = _data[7];
var _lrad = _data[8];
var _sol = _data[9];
inputs[| 8].setVisible(_type == 0);
if(!is_surface(_bg)) return _outSurf;
if(!is_surface(_solid)) return _outSurf;
surface_set_target(_outSurf);
draw_clear_alpha(0, 0);
BLEND_OVER
shader_set(shader);
shader_set_uniform_f(uniform_dim, surface_get_width(_bg), surface_get_height(_bg));
shader_set_uniform_f_array(uniform_lpos, _pos);
shader_set_uniform_f_array(uniform_lamb, colToVec4(_lamb));
shader_set_uniform_f_array(uniform_lclr, colToVec4(_lclr));
shader_set_uniform_f(uniform_lrad, _rad);
shader_set_uniform_f(uniform_prad, _lrad);
shader_set_uniform_f(uniform_lden, _den);
shader_set_uniform_i(uniform_ltyp, _type);
shader_set_uniform_i(uniform_sol, _sol);
texture_set_stage(uniform_solid, surface_get_texture(_solid));
draw_surface_safe(_bg, 0, 0);
shader_reset();
BLEND_NORMAL
surface_reset_target();
return _outSurf;
}
}