Pixel-Composer/scripts/node_mk_flag/node_mk_flag.gml

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function Node_MK_Flag(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "MK Flag";
update_on_frame = true;
inputs[| 0] = nodeValue("Dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, DEF_SURF)
.setDisplay(VALUE_DISPLAY.vector);
inputs[| 1] = nodeValue("Texture", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, noone);
inputs[| 2] = nodeValue("Position", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 0, 0 ])
.setDisplay(VALUE_DISPLAY.vector);
inputs[| 3] = nodeValue("Pin side", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_button, [ "Left", "Right", "Up", "Down" ]);
inputs[| 4] = nodeValue("Subdivision", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 8);
inputs[| 5] = nodeValue("Wind speed", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 2);
inputs[| 6] = nodeValue("Wave width", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
.setDisplay(VALUE_DISPLAY.slider, { range: [0, 4, 0.1] });
inputs[| 7] = nodeValue("Wave size", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.2)
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 8] = nodeValue("Phase", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.1)
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 9] = nodeValue("Clip", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.2)
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 10] = nodeValue("Shadow", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.2)
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 11] = nodeValue("Shadow threshold", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
.setDisplay(VALUE_DISPLAY.slider, { range: [-0.1, 0.1, 0.001] });
inputs[| 12] = nodeValue("Invert shadow", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, 0);
input_display_list = [ new Inspector_Sprite(s_MKFX), 0,
["Flag", false], 4, 1, 2, 3,
["Wave", false], 6, 7, 5, 8, 9,
["Rendering", false], 10, 11, 12,
];
outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
attributes.iteration = 4;
array_push(attributeEditors, "Verlet solver");
array_push(attributeEditors, ["Iteration", function() { return attributes.iteration; },
new textBox(TEXTBOX_INPUT.number, function(val) {
attributes.iteration = val;
triggerRender();
})]);
temp_surface = [ surface_create(1, 1), surface_create(1, 1) ];
function fPoints(_x, _y, _u, _v) constructor { #region
x = _x;
y = _y;
sx = _x;
sy = _y;
u = _u;
v = _v;
pin = false;
} #endregion
function fLink(_p0, _p1) constructor { #region
p0 = _p0;
p1 = _p1;
dist = point_distance(_p0.x, _p0.y, _p1.x, _p1.y);
} #endregion
function fMesh(_p0, _p1, _p2) constructor { #region
p0 = _p0;
p1 = _p1;
p2 = _p2;
} #endregion
points = [];
links = [];
meshes = [];
static onValueUpdate = function(index = 0) { #region
if(index == 3) setGeometry();
} #endregion
static setGeometry = function() { #region
var _pinn = getSingleValue(3);
var _subd = getSingleValue(4);
points = array_create((_subd + 1) * (_subd + 1));
links = array_create(2 * _subd * (_subd + 1));
meshes = array_create(2 * _subd * _subd);
var _ind = 0;
for( var i = 0; i <= _subd; i++ )
for( var j = 0; j <= _subd; j++ ) {
points[_ind++] = new fPoints(i / _subd, j / _subd, i / _subd, j / _subd);
}
switch(_pinn) {
case 0 : for( var i = 0; i <= _subd; i++ ) points[i].pin = true; break;
case 1 : for( var i = 0; i <= _subd; i++ ) points[_subd * (_subd + 1) + i].pin = true; break;
case 2 : for( var i = 0; i <= _subd; i++ ) points[i * (_subd + 1) + 0].pin = true; break;
case 3 : for( var i = 0; i <= _subd; i++ ) points[i * (_subd + 1) + _subd].pin = true; break;
}
var _ind = 0;
for( var k = 0; k < 2; k++)
for( var i = 0; i < _subd; i++ )
for( var j = 0; j <= _subd; j++ ) {
var p0x = k? i : j;
var p0y = k? j : i;
var p1x = k? i + 1 : j;
var p1y = k? j : i + 1;
var i0 = p0y * (_subd + 1) + p0x;
var i1 = p1y * (_subd + 1) + p1x;
links[_ind++] = new fLink(points[i0], points[i1]);
}
var _ind = 0;
for( var i = 0; i < _subd; i++ )
for( var j = 0; j < _subd; j++ ) {
var i0 = i * (_subd + 1) + j;
var i1 = i * (_subd + 1) + j + 1;
var i2 = (i + 1) * (_subd + 1) + j;
meshes[_ind++] = new fMesh(points[i0], points[i1], points[i2]);
var i0 = i * (_subd + 1) + j + 1;
var i1 = (i + 1) * (_subd + 1) + j;
var i2 = (i + 1) * (_subd + 1) + j + 1;
meshes[_ind++] = new fMesh(points[i0], points[i1], points[i2]);
}
} #endregion
static stepFlag = function() { #region
var _pinn = getSingleValue(3);
var _wspd = getSingleValue(5);
var _wave = getSingleValue(6);
var _wavz = getSingleValue(7);
var _wphs = getSingleValue(8);
var _clip = getSingleValue(9);
var _tps = CURRENT_FRAME / TOTAL_FRAMES * _wspd * pi * 2;
var _wve = _wave * pi;
for( var i = 0, n = array_length(points); i < n; i++ ) {
var p = points[i];
switch(_pinn) {
case 0 :
var y0 = p.sy + max(-_clip, sin(p.u * _wve - _tps)) * _wavz * p.u;
var y1 = p.sy + min( _clip, sin((p.u - _wphs) * _wve - _tps)) * _wavz * p.u;
p.y = lerp(y0, y1, p.v);
break;
case 1 :
var y0 = p.sy + max(-_clip, sin((1 - p.u) * _wve - _tps)) * _wavz * (1 - p.u);
var y1 = p.sy + min( _clip, sin(((1 - p.u) - _wphs) * _wve - _tps)) * _wavz * (1 - p.u);
p.y = lerp(y0, y1, p.v);
break;
case 2 :
var x0 = p.sx + max(-_clip, sin(p.v * _wve - _tps)) * _wavz * p.v;
var x1 = p.sx + min( _clip, sin((p.v - _wphs) * _wve - _tps)) * _wavz * p.v;
p.x = lerp(x0, x1, p.u);
break;
case 3 :
var x0 = p.sx + max(-_clip, sin((1 - p.v) * _wve - _tps)) * _wavz * (1 - p.v);
var x1 = p.sx + min( _clip, sin(((1 - p.v) - _wphs) * _wve - _tps)) * _wavz * (1 - p.v);
p.x = lerp(x0, x1, p.u);
break;
}
}
} #endregion
static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
var _hov = false;
var hv = inputs[| 2].drawOverlay(hover, active, _x, _y, _s, _mx, _my, _snx, _sny); active &= !hv; _hov |= hv;
//for( var i = 0, n = array_length(links); i < n; i++ ) {
// var _l = links[i];
// var p0 = _l.p0;
// var p1 = _l.p1;
// var _p0x = _x + p0.x * _s;
// var _p0y = _y + p0.y * _s;
// var _p1x = _x + p1.x * _s;
// var _p1y = _y + p1.y * _s;
// if(p0.pin && p1.pin) {
// draw_set_color(COLORS._main_text);
// draw_line_width(_p0x, _p0y, _p1x, _p1y, 2);
// } else {
// draw_set_color(COLORS._main_accent);
// draw_line(_p0x, _p0y, _p1x, _p1y);
// }
//}
return _hov;
}
static processData_prebatch = function() { #region
if(IS_FIRST_FRAME) setGeometry();
stepFlag();
} #endregion
static processData = function(_outSurf, _data, _output_index, _array_index) { #region
var _dim = _data[0];
var _tex = _data[1];
var _start = _data[2];
var _pinn = _data[3];
var _shadow = _data[10];
var _shdThr = _data[11];
var _shdInv = _data[12];
_outSurf = surface_verify(_outSurf, _dim[0], _dim[1]);
if(!is_surface(_tex)) return _outSurf;
var _sx, _sy;
var _sw = surface_get_width_safe(_tex);
var _sh = surface_get_height_safe(_tex);
switch(_pinn) {
case 0 :
_sx = _start[0];
_sy = _start[1];
break;
case 1 :
_sx = _start[0] - _sw;
_sy = _start[1];
break;
case 2 :
_sx = _start[0];
_sy = _start[1];
break;
case 3 :
_sx = _start[0];
_sy = _start[1] - _sh;
break;
}
for( var i = 0, n = array_length(temp_surface); i < n; i++ )
temp_surface[i] = surface_verify(temp_surface[i], _dim[0], _dim[1]);
surface_set_target_ext(0, temp_surface[0]);
surface_set_target_ext(1, temp_surface[1]);
shader_set(sh_mk_flag_mrt);
DRAW_CLEAR
draw_set_color(c_white);
draw_primitive_begin_texture(pr_trianglelist, surface_get_texture(_tex));
for( var i = 0, n = array_length(meshes); i < n; i++ ) {
var m = meshes[i];
var p0 = m.p0;
var p1 = m.p1;
var p2 = m.p2;
draw_vertex_texture(_sx + p0.x * _sw, _sy + p0.y * _sh, p0.u, p0.v);
draw_vertex_texture(_sx + p1.x * _sw, _sy + p1.y * _sh, p1.u, p1.v);
draw_vertex_texture(_sx + p2.x * _sw, _sy + p2.y * _sh, p2.u, p2.v);
}
draw_primitive_end();
shader_reset();
surface_reset_target();
surface_set_shader(_outSurf, sh_mk_flag_shade);
shader_set_surface("textureMap", temp_surface[1]);
shader_set_f("dimension", _dim);
shader_set_f("oriPosition", _start);
shader_set_f("oriScale", _sw, _sh);
shader_set_f("shadow", 1 - _shadow);
shader_set_f("shadowThres", _shdThr);
shader_set_i("shadowInv", _shdInv);
shader_set_i("side", _pinn > 1);
draw_surface_safe(temp_surface[0]);
surface_reset_shader();
return _outSurf;
} #endregion
}