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Pixel-Composer/scripts/node_path/node_path.gml

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enum _ANCHOR {
x,
y,
c1x,
c1y,
c2x,
c2y,
ind,
amount
}
function __vec2P(_x = 0, _y = _x, _w = 1) : __vec2(_x, _y) constructor {
weight = _w;
static clone = function() /*=>*/ {return new __vec2P(x, y, weight)};
}
function Node_Path(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
name = "Path";
setDimension(96, 48);
newInput(0, nodeValue_Float("Path progress", self, 0, "Sample position from path."))
.setDisplay(VALUE_DISPLAY.slider);
newInput(1, nodeValue_Bool("Loop", self, false))
.rejectArray();
newInput(2, nodeValue_Enum_Scroll("Progress mode", self, 0, ["Entire line", "Segment"]))
.rejectArray();
newInput(3, nodeValue_Bool("Round anchor", self, false))
.rejectArray();
newOutput(0, nodeValue_Output("Position out", self, VALUE_TYPE.float, [ 0, 0 ]))
.setDisplay(VALUE_DISPLAY.vector);
newOutput(1, nodeValue_Output("Path data", self, VALUE_TYPE.pathnode, self));
newOutput(2, nodeValue_Output("Anchors", self, VALUE_TYPE.float, []))
.setVisible(false)
.setArrayDepth(1);
input_display_list = [
["Path", false], 1, 3,
["Sampling", false], 0, 2,
["Anchors", false],
];
output_display_list = [ 1, 0, 2 ];
_path_preview_surface = noone;
path_preview_surface = noone;
setDynamicInput(1, false);
tool_pathDrawer = new NodeTool( "Draw path", THEME.path_tools_draw )
.addSetting("Smoothness", VALUE_TYPE.float, function(val) /*=>*/ { tool_pathDrawer.attribute.thres = val; }, "thres", 4)
.addSetting("Replace", VALUE_TYPE.boolean, function( ) /*=>*/ { tool_pathDrawer.attribute.create = !tool_pathDrawer.attribute.create; }, "create", true);
tools = [
new NodeTool( "Transform", THEME.path_tools_transform ),
new NodeTool( "Anchor add / remove", THEME.path_tools_add ),
new NodeTool( "Edit Control point", THEME.path_tools_anchor ),
tool_pathDrawer,
new NodeTool( "Rectangle path", THEME.path_tools_rectangle ),
new NodeTool( "Circle path", THEME.path_tools_circle ),
new NodeTool( "Weight edit", THEME.path_tools_weight_edit ),
];
#region ---- path ----
path_loop = false;
anchors = [];
segments = [];
lengths = [];
lengthAccs = [];
lengthRatio = [];
lengthTotal = 0;
weightRatio = array_create(100 + 1);
boundary = new BoundingBox();
cached_pos = ds_map_create();
attributes.weight = [ [ 0, 1 ], [ 100, 1 ] ];
#endregion
#region ---- editor ----
line_hover = -1;
weight_hover = -1;
drag_point = -1;
drag_points = [];
drag_type = 0;
drag_point_mx = 0;
drag_point_my = 0;
drag_point_sx = 0;
drag_point_sy = 0;
transform_type = 0;
transform_minx = 0; transform_miny = 0;
transform_maxx = 0; transform_maxy = 0;
transform_cx = 0; transform_cy = 0;
transform_sx = 0; transform_sy = 0;
transform_mx = 0; transform_my = 0;
weight_drag = noone;
weight_drag_sx = 0;
weight_drag_sy = 0;
weight_drag_mx = 0;
weight_drag_my = 0;
#endregion
static resetDisplayList = function() {
recordAction(ACTION_TYPE.var_modify, self, [ array_clone(input_display_list), "input_display_list" ]);
input_display_list = array_clone(input_display_list_raw);
for( var i = input_fix_len, n = array_length(inputs); i < n; i++ ) {
array_push(input_display_list, i);
inputs[i].name = $"Anchor {i - input_fix_len}";
}
}
static newAnchor = function(_x = 0, _y = 0, _dxx = 0, _dxy = 0, _dyx = 0, _dyy = 0) { return [ _x, _y, _dxx, _dxy, _dyx, _dyy, 0 ]; }
static createNewInput = function(_x = 0, _y = 0, _dxx = 0, _dxy = 0, _dyx = 0, _dyy = 0, rec = true) {
var index = array_length(inputs);
newInput(index, nodeValue_Path_Anchor("Anchor", self, []))
.setValue(newAnchor( _x, _y, _dxx, _dxy, _dyx, _dyy ));
if(rec) {
recordAction(ACTION_TYPE.array_insert, inputs, [ inputs[index], index, $"add path anchor point {index}" ]);
resetDisplayList();
}
return inputs[index];
}
static onValueUpdate = function(index = 0) {
if(index != 2) return;
var type = getInputData(2);
inputs[0].setDisplay(type == 0? VALUE_DISPLAY.slider : VALUE_DISPLAY._default);
}
static drawPreview = function(_x, _y, _s) {}
static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
var ansize = array_length(inputs) - input_fix_len;
var edited = false;
var _tooln = getUsingToolName();
var pos = outputs[0].getValue();
var p/*:_ANCHOR*/;
if(_tooln == "") {
draw_set_color(COLORS._main_accent);
draw_circle(_x + pos[0] * _s, _y + pos[1] * _s, 4, false);
}
//////////////////////////////////////////////////////// EDITING ////////////////////////////////////////////////////////
if(transform_type > 0) {
var _transform_minx = transform_minx;
var _transform_miny = transform_miny;
var _transform_maxx = transform_maxx;
var _transform_maxy = transform_maxy;
if(transform_type == 5) { // move
var mx = _mx, my = _my;
if(key_mod_press(SHIFT)) {
var dirr = point_direction(transform_sx, transform_sy, _mx, _my) + 360;
var diss = point_distance( transform_sx, transform_sy, _mx, _my);
var ang = round((dirr) / 45) * 45;
mx = transform_sx + lengthdir_x(diss, ang);
my = transform_sy + lengthdir_y(diss, ang);
}
var dx = mx - transform_mx;
var dy = my - transform_my;
for( var i = input_fix_len; i < array_length(inputs); i++ ) {
p = array_clone(getInputData(i));
p[@_ANCHOR.x] += dx / _s;
p[@_ANCHOR.y] += dy / _s;
if(inputs[i].setValue(p))
edited = true;
}
transform_mx = mx;
transform_my = my;
} else { // scale
var mx = (_mx - _x) / _s;
var my = (_my - _y) / _s;
switch(transform_type) {
case 1 :
if(key_mod_press(SHIFT)) {
var _dx = mx - _transform_maxx;
var _dy = my - _transform_maxy;
var _dd = max(abs(_dx), abs(_dy));
mx = _transform_maxx + _dd * sign(_dx);
my = _transform_maxy + _dd * sign(_dy);
}
transform_minx = mx;
transform_miny = my;
if(key_mod_press(ALT)) {
transform_maxx = transform_cx - (mx - transform_cx);
transform_maxy = transform_cy - (my - transform_cy);
}
break;
case 2 :
if(key_mod_press(SHIFT)) {
var _dx = mx - _transform_minx;
var _dy = my - _transform_maxy;
var _dd = max(abs(_dx), abs(_dy));
mx = _transform_minx + _dd * sign(_dx);
my = _transform_maxy + _dd * sign(_dy);
}
transform_maxx = mx;
transform_miny = my;
if(key_mod_press(ALT)) {
transform_minx = transform_cx - (mx - transform_cx);
transform_maxy = transform_cy - (my - transform_cy);
}
break;
case 3 :
if(key_mod_press(SHIFT)) {
var _dx = mx - _transform_maxx;
var _dy = my - _transform_miny;
var _dd = max(abs(_dx), abs(_dy));
mx = _transform_maxx + _dd * sign(_dx);
my = _transform_miny + _dd * sign(_dy);
}
transform_minx = mx;
transform_maxy = my;
if(key_mod_press(ALT)) {
transform_maxx = transform_cx - (mx - transform_cx);
transform_miny = transform_cy - (my - transform_cy);
}
break;
case 4 :
if(key_mod_press(SHIFT)) {
var _dx = mx - _transform_minx;
var _dy = my - _transform_miny;
var _dd = max(abs(_dx), abs(_dy));
mx = _transform_minx + _dd * sign(_dx);
my = _transform_miny + _dd * sign(_dy);
}
transform_maxx = mx;
transform_maxy = my;
if(key_mod_press(ALT)) {
transform_minx = transform_cx - (mx - transform_cx);
transform_miny = transform_cy - (my - transform_cy);
}
break;
}
var tr_rx = transform_maxx - transform_minx;
var tr_ry = transform_maxy - transform_miny;
var _tr_rx = _transform_maxx - _transform_minx;
var _tr_ry = _transform_maxy - _transform_miny;
for( var i = input_fix_len; i < array_length(inputs); i++ ) {
var p = array_clone(getInputData(i));
var _p2 = p[_ANCHOR.x] + p[_ANCHOR.c1x];
var _p3 = p[_ANCHOR.y] + p[_ANCHOR.c1y];
var _p4 = p[_ANCHOR.x] + p[_ANCHOR.c2x];
var _p5 = p[_ANCHOR.y] + p[_ANCHOR.c2y];
p[@_ANCHOR.x] = transform_minx + (p[_ANCHOR.x] - _transform_minx) / _tr_rx * tr_rx;
p[@_ANCHOR.y] = transform_miny + (p[_ANCHOR.y] - _transform_miny) / _tr_ry * tr_ry;
_p2 = transform_minx + (_p2 - _transform_minx) / _tr_rx * tr_rx;
_p3 = transform_miny + (_p3 - _transform_miny) / _tr_ry * tr_ry;
_p4 = transform_minx + (_p4 - _transform_minx) / _tr_rx * tr_rx;
_p5 = transform_miny + (_p5 - _transform_miny) / _tr_ry * tr_ry;
p[@_ANCHOR.c1x] = _p2 - p[_ANCHOR.x];
p[@_ANCHOR.c1y] = _p3 - p[_ANCHOR.y];
p[@_ANCHOR.c2x] = _p4 - p[_ANCHOR.x];
p[@_ANCHOR.c2y] = _p5 - p[_ANCHOR.y];
if(inputs[i].setValue(p))
edited = true;
}
}
if(edited) UNDO_HOLDING = true;
if(mouse_release(mb_left)) {
transform_type = 0;
UNDO_HOLDING = false;
RENDER_ALL
}
} else if(drag_point > -1) {
var dx = value_snap(drag_point_sx + (_mx - drag_point_mx) / _s, _snx);
var dy = value_snap(drag_point_sy + (_my - drag_point_my) / _s, _sny);
switch(drag_type) {
case 0 :
case 1 :
case -1 :
var inp = inputs[input_fix_len + drag_point];
var rnd = key_mod_press(CTRL);
var anc/*:_ANCHOR*/ = array_clone(inp.getValue());
if(drag_type == 0) { //drag anchor point
anc[@_ANCHOR.x] = dx;
anc[@_ANCHOR.y] = dy;
if(rnd) {
anc[@_ANCHOR.x] = round(anc[_ANCHOR.x]);
anc[@_ANCHOR.y] = round(anc[_ANCHOR.y]);
}
} else if(drag_type == 1) { //drag control 1
anc[@_ANCHOR.c1x] = dx - anc[_ANCHOR.x];
anc[@_ANCHOR.c1y] = dy - anc[_ANCHOR.y];
if(anc[_ANCHOR.ind] == 0) {
anc[@_ANCHOR.c2x] = -anc[_ANCHOR.c1x];
anc[@_ANCHOR.c2y] = -anc[_ANCHOR.c1y];
} else if(anc[_ANCHOR.ind] == 1) {
var _dir = point_direction(0, 0, anc[_ANCHOR.c1x], anc[_ANCHOR.c1y]);
var _dis = point_distance(0, 0, anc[_ANCHOR.c2x], anc[_ANCHOR.c2y]);
anc[@_ANCHOR.c2x] = lengthdir_x(_dis, _dir + 180);
anc[@_ANCHOR.c2y] = lengthdir_y(_dis, _dir + 180);
}
if(rnd) {
anc[@_ANCHOR.c1x] = round(anc[_ANCHOR.c1x]);
anc[@_ANCHOR.c1y] = round(anc[_ANCHOR.c1y]);
if(anc[_ANCHOR.ind] < 2) {
anc[@_ANCHOR.c2x] = round(anc[_ANCHOR.c2x]);
anc[@_ANCHOR.c2y] = round(anc[_ANCHOR.c2y]);
}
}
} else if(drag_type == -1) { //drag control 2
anc[@_ANCHOR.c2x] = dx - anc[_ANCHOR.x];
anc[@_ANCHOR.c2y] = dy - anc[_ANCHOR.y];
if(anc[_ANCHOR.ind] == 0) {
anc[@_ANCHOR.c1x] = -anc[_ANCHOR.c2x];
anc[@_ANCHOR.c1y] = -anc[_ANCHOR.c2y];
} else if(anc[_ANCHOR.ind] == 1) {
var _dir = point_direction(0, 0, anc[_ANCHOR.c2x], anc[_ANCHOR.c2y]);
var _dis = point_distance(0, 0, anc[_ANCHOR.c1x], anc[_ANCHOR.c1y]);
anc[@_ANCHOR.c1x] = lengthdir_x(_dis, _dir + 180);
anc[@_ANCHOR.c1y] = lengthdir_y(_dis, _dir + 180);
}
if(rnd) {
anc[@_ANCHOR.c2x] = round(anc[_ANCHOR.c2x]);
anc[@_ANCHOR.c2y] = round(anc[_ANCHOR.c2y]);
if(anc[_ANCHOR.ind] < 2) {
anc[@_ANCHOR.c1x] = round(anc[_ANCHOR.c1x]);
anc[@_ANCHOR.c1y] = round(anc[_ANCHOR.c1y]);
}
}
}
if(inp.setValue(anc))
edited = true;
break;
case 2 :
var ox, oy, nx, ny;
var pxx = (_mx - _x) / _s;
var pxy = (_my - _y) / _s;
draw_set_color(COLORS._main_accent);
for( var i = 0, n = array_length(drag_points); i < n; i++ ) {
var _p/*:_ANCHOR*/ = drag_points[i];
nx = _x + _p[_ANCHOR.x] * _s;
ny = _y + _p[_ANCHOR.y] * _s;
if(i) draw_line(ox, oy, nx, ny);
ox = nx;
oy = ny;
}
if(point_distance(drag_point_mx, drag_point_my, pxx, pxy) > 4 / _s) {
array_push(drag_points, [ pxx, pxy ]);
drag_point_mx = pxx;
drag_point_my = pxy;
}
if(mouse_release(mb_left)) {
var amo = array_length(drag_points);
var _p = 0;
var points = [];
var thres = tool_pathDrawer.attribute.thres;
var replace = tool_pathDrawer.attribute.create;
var asize = array_length(inputs) - input_fix_len;
for( var i = 0; i < amo; i++ ) {
var pT = drag_points[i];
if(i == 0 || i == amo - 1) {
array_push(points, i);
continue;
}
var maxT = 0;
var pF = drag_points[_p];
for( var j = _p; j < i; j++ ) {
var pP = drag_points[j];
maxT = max(maxT, distance_to_line(pP[0], pP[1], pF[0], pF[1], pT[0], pT[1]));
}
if(maxT >= thres) {
array_push(points, i);
_p = i;
}
}
var amo = array_length(points);
if(!replace) amo = min(amo, asize);
var i = 0;
var anc = [];
for( i = 0; i < amo; i++ ) {
var ind = replace? i : clamp(i / amo * array_length(points), 0, array_length(points) - 1);
var _ind = points[ind];
var _p = drag_points[_ind];
var dxx = 0;
var dxy = 0;
var dyx = 0;
var dyy = 0;
if(i > 0 && i < amo - 1) {
var _p0/*:_ANCHOR*/ = drag_points[points[i - 1]];
var _p1/*:_ANCHOR*/ = drag_points[points[i + 1]];
var d0 = point_direction(_p0[_ANCHOR.x], _p0[_ANCHOR.y], _p[_ANCHOR.x], _p[_ANCHOR.y]);
var d1 = point_direction( _p[_ANCHOR.x], _p[_ANCHOR.y], _p1[_ANCHOR.x], _p1[_ANCHOR.y]);
var dd = d0 + angle_difference(d1, d0) / 2;
var ds0 = point_distance(_p0[_ANCHOR.x], _p0[_ANCHOR.y], _p[_ANCHOR.x], _p[_ANCHOR.y]);
var ds1 = point_distance( _p[_ANCHOR.x], _p[_ANCHOR.y], _p1[_ANCHOR.x], _p1[_ANCHOR.y]);
dxx = lengthdir_x(ds0 / 3, dd + 180);
dxy = lengthdir_y(ds0 / 3, dd + 180);
dyx = lengthdir_x(ds1 / 3, dd);
dyy = lengthdir_y(ds1 / 3, dd);
}
anc = [ _p[_ANCHOR.x], _p[_ANCHOR.y], dxx, dxy, dyx, dyy ];
if(input_fix_len + i >= array_length(inputs))
createNewInput(_p[_ANCHOR.x], _p[_ANCHOR.y], dxx, dxy, dyx, dyy);
else
inputs[input_fix_len + i].setValue(anc);
}
if(!replace) {
for(; i < asize; i++ )
inputs[input_fix_len + i].setValue(anc);
}
}
break;
case 3 :
case 4 :
var minx = min((_mx - _x) / _s, (drag_point_mx - _x) / _s);
var maxx = max((_mx - _x) / _s, (drag_point_mx - _x) / _s);
var miny = min((_my - _y) / _s, (drag_point_my - _y) / _s);
var maxy = max((_my - _y) / _s, (drag_point_my - _y) / _s);
minx = value_snap(minx, _snx);
maxx = value_snap(maxx, _snx);
miny = value_snap(miny, _sny);
maxy = value_snap(maxy, _sny);
if(key_mod_press(ALT)) {
var _ccx = (drag_point_mx - _x) / _s;
var _ccy = (drag_point_my - _y) / _s;
var _ww = (maxx - minx) / 2;
var _hh = (maxy - miny) / 2;
if(key_mod_press(SHIFT)) {
var _n = max(_ww, _hh);
_ww = _n;
_hh = _n;
}
minx = _ccx - _ww;
maxx = _ccx + _ww;
miny = _ccy - _hh;
maxy = _ccy + _hh;
} else if(key_mod_press(SHIFT)) {
var _n = max(maxx - minx, maxy - miny);
maxx = minx + _n;
maxy = miny + _n;
}
if(drag_type == 3) {
edited |= inputs[input_fix_len + 0].setValue(newAnchor(minx, miny));
edited |= inputs[input_fix_len + 1].setValue(newAnchor(maxx, miny));
edited |= inputs[input_fix_len + 2].setValue(newAnchor(maxx, maxy));
edited |= inputs[input_fix_len + 3].setValue(newAnchor(minx, maxy));
} else if(drag_type == 4) {
var _cnx = (maxx + minx) / 2;
var _cny = (maxy + miny) / 2;
var _ccx = (maxx - minx) * 0.27614;
var _ccy = (maxy - miny) * 0.27614;
edited |= inputs[input_fix_len + 0].setValue(newAnchor( _cnx, miny, -_ccx, 0, _ccx, 0));
edited |= inputs[input_fix_len + 1].setValue(newAnchor( maxx, _cny, 0, -_ccy, 0, _ccy));
edited |= inputs[input_fix_len + 2].setValue(newAnchor( _cnx, maxy, _ccx, 0, -_ccx, 0));
edited |= inputs[input_fix_len + 3].setValue(newAnchor( minx, _cny, 0, _ccy, 0, -_ccy));
}
break;
}
if(edited) UNDO_HOLDING = true;
if(mouse_release(mb_left)) {
drag_point = -1;
RENDER_ALL
UNDO_HOLDING = false;
}
} else if(weight_drag != noone) {
var _mmx = weight_drag_sx + (_mx - weight_drag_mx);
var _mmy = weight_drag_sy + (_my - weight_drag_my);
var _dis = point_distance(weight_drag_sx, weight_drag_sy, _mmx, _mmy) / _s;
attributes.weight[weight_drag][1] = _dis;
updateLength();
if(mouse_release(mb_left)) {
weight_drag = noone;
triggerRender();
UNDO_HOLDING = false;
}
}
/////////////////////////////////////////////////////// DRAW PATH ///////////////////////////////////////////////////////
var _line_hover = -1;
var _weight_hover = -1;
var _closet_dist = undefined;
var _point_hover = noone;
var _point_ratio = 0;
var anchor_hover = -1;
var hover_type = 0;
var points = [];
var _a0, _a1;
var minx = 99999, miny = 99999;
var maxx = -99999, maxy = -99999;
if(_tooln == "Rectangle path" || _tooln == "Circle path") {
draw_set_color(COLORS._main_icon);
if(drag_point > -1) {
var minx = min(_mx, drag_point_mx);
var maxx = max(_mx, drag_point_mx);
var miny = min(_my, drag_point_my);
var maxy = max(_my, drag_point_my);
if(key_mod_press(ALT)) {
var _ccx = drag_point_mx;
var _ccy = drag_point_my;
var _ww = (maxx - minx) / 2;
var _hh = (maxy - miny) / 2;
if(key_mod_press(SHIFT)) {
var _n = max(_ww, _hh);
_ww = _n;
_hh = _n;
}
minx = _ccx - _ww;
maxx = _ccx + _ww;
miny = _ccy - _hh;
maxy = _ccy + _hh;
draw_set_alpha(0.75);
draw_line(_ccx, 0, _ccx, WIN_H);
draw_line(0, _ccy, WIN_W, _ccy);
draw_set_alpha(1);
} else if(key_mod_press(SHIFT)) {
var _n = max(maxx - minx, maxy - miny);
maxx = minx + _n;
maxy = miny + _n;
}
draw_set_alpha(0.5);
draw_line(minx, 0, minx, WIN_H);
draw_line(0, miny, WIN_W, miny);
draw_line(maxx, 0, maxx, WIN_H);
draw_line(0, maxy, WIN_W, maxy);
draw_set_alpha(1);
} else {
draw_set_alpha(0.5);
draw_line(_mx, 0, _mx, WIN_H);
draw_line(0, _my, WIN_W, _my);
draw_set_alpha(1);
}
}
if(!array_empty(anchors)) {
draw_set_color(_tooln == "Transform"? COLORS._main_icon : COLORS._main_accent);
var _ox = 0, _oy = 0, _ow = 0;
var _nx = 0, _ny = 0, _nw = 0;
var _ow1x = 0, _ow1y = 0, _ow2x = 0, _ow2y = 0;
var _nw1x = 0, _nw1y = 0, _nw2x = 0, _nw2y = 0;
for( var i = 0, n = array_length(segments); i < n; i++ ) { // draw path
var _seg = segments[i];
var p = 0;
var _amo = array_length(_seg);
var _rat_s = lengthRatio[i];
var _rat_e = lengthRatio[i + 1];
var _wdir = point_direction(_seg[0], _seg[1], _seg[2], _seg[3]);
for( var j = 0; j < _amo; j += 2 ) {
_nx = _x + _seg[j + 0] * _s;
_ny = _y + _seg[j + 1] * _s;
minx = min(minx, _nx); maxx = max(maxx, _nx);
miny = min(miny, _ny); maxy = max(maxy, _ny);
var _rat = round(lerp(_rat_s, _rat_e, j / _amo) * 100);
_nw = weightRatio[clamp(_rat, 0, array_length(weightRatio) - 1)];
if(_tooln == "Weight edit") {
if(j) _wdir = point_direction(_ox, _oy, _nx, _ny);
_nw1x = _nx + lengthdir_x(_nw, _wdir + 90);
_nw1y = _ny + lengthdir_y(_nw, _wdir + 90);
_nw2x = _nx + lengthdir_x(_nw, _wdir - 90);
_nw2y = _ny + lengthdir_y(_nw, _wdir - 90);
if(i == 0 && j == 0) {
draw_set_color(COLORS._main_icon);
draw_line(_nx, _ny, _nw1x, _nw1y);
draw_line(_nx, _ny, _nw2x, _nw2y);
}
}
if(j) {
if(hover) {
var _p = point_to_line(_mx, _my, _ox, _oy, _nx, _ny);
var _d = point_distance(_mx, _my, _p[0], _p[1]);
if(_d < 16 && (_closet_dist == undefined || _d < _closet_dist)) {
_closet_dist = _d;
_point_hover = _p;
_point_ratio = _rat;
}
if(_d < 4) _line_hover = i;
}
if(_tooln == "Weight edit") {
draw_set_color(COLORS._main_accent);
draw_line(_ox, _oy, _nx, _ny);
draw_set_color(COLORS._main_icon);
draw_line(_ow1x, _ow1y, _nw1x, _nw1y);
draw_line(_ow2x, _ow2y, _nw2x, _nw2y);
if(i == n - 1 && j + 2 >= _amo) {
draw_set_color(COLORS._main_icon);
draw_line(_nx, _ny, _nw1x, _nw1y);
draw_line(_nx, _ny, _nw2x, _nw2y);
}
} else
draw_line_width(_ox, _oy, _nx, _ny, 1 + (line_hover == i));
}
_ox = _nx;
_oy = _ny;
_ow = _nw;
_ow1x = _nw1x;
_ow1y = _nw1y;
_ow2x = _nw2x;
_ow2y = _nw2y;
}
}
var _showAnchor = hover != -1;
switch(_tooln) {
case "Transform" :
case "Weight edit" :
_showAnchor = false;
break;
}
if(_showAnchor)
for(var i = 0; i < ansize; i++) { // draw anchor
var _a = anchors[i];
var xx = _x + _a[0] * _s;
var yy = _y + _a[1] * _s;
var cont = false;
var _ax0 = 0, _ay0 = 0;
var _ax1 = 0, _ay1 = 0;
if(array_length(_a) < 6) continue;
if(_a[2] != 0 || _a[3] != 0 || _a[4] != 0 || _a[5] != 0) {
_ax0 = _x + (_a[0] + _a[2]) * _s;
_ay0 = _y + (_a[1] + _a[3]) * _s;
_ax1 = _x + (_a[0] + _a[4]) * _s;
_ay1 = _y + (_a[1] + _a[5]) * _s;
cont = true;
draw_set_color(COLORS.node_path_overlay_control_line);
draw_line(_ax0, _ay0, xx, yy);
draw_line(_ax1, _ay1, xx, yy);
draw_sprite_colored(THEME.anchor_selector, 2, _ax0, _ay0);
draw_sprite_colored(THEME.anchor_selector, 2, _ax1, _ay1);
}
draw_sprite_colored(THEME.anchor_selector, 0, xx, yy);
draw_set_text(f_p1, fa_left, fa_bottom, COLORS._main_accent);
draw_text(xx + ui(4), yy - ui(4), inputs[input_fix_len + i].name);
if(drag_point == i) {
draw_sprite_colored(THEME.anchor_selector, 1, xx, yy);
} else if(hover && point_in_circle(_mx, _my, xx, yy, 8)) {
draw_sprite_colored(THEME.anchor_selector, 1, xx, yy);
anchor_hover = i;
hover_type = 0;
} else if(cont && hover && point_in_circle(_mx, _my, _ax0, _ay0, 8)) {
draw_sprite_colored(THEME.anchor_selector, 0, _ax0, _ay0);
anchor_hover = i;
hover_type = 1;
} else if(cont && hover && point_in_circle(_mx, _my, _ax1, _ay1, 8)) {
draw_sprite_colored(THEME.anchor_selector, 0, _ax1, _ay1);
anchor_hover = i;
hover_type = -1;
}
}
if(_tooln == "Weight edit") {
var _w = attributes.weight;
var _wd = 12;
for( var i = 0, n = array_length(_w); i < n; i++ ) {
var _wg = _w[i];
var _wrat = _wg[0];
var _wp = getPointDistance(_wrat / 100 * lengthTotal);
var _wx = _x + _wp.x * _s;
var _wy = _y + _wp.y * _s;
var _pd = point_distance(_mx, _my, _wx, _wy);
if(_pd < _wd) {
_weight_hover = i;
_wd = _pd;
}
var _sel = weight_hover == i || weight_drag == i;
draw_set_color(_sel? COLORS._main_accent : COLORS._main_icon_light);
draw_circle(_wx, _wy, _sel? 5 : 3, false);
}
}
}
if(hover == -1) return false;
line_hover = _line_hover;
weight_hover = _weight_hover;
/////////////////////////////////////////////////////// TOOLS ///////////////////////////////////////////////////////
switch(_tooln) {
case "Transform" :
var hov = 0;
if(hover && point_in_circle(_mx, _my, minx, miny, 8)) hov = 1;
else if(hover && point_in_circle(_mx, _my, maxx, miny, 8)) hov = 2;
else if(hover && point_in_circle(_mx, _my, minx, maxy, 8)) hov = 3;
else if(hover && point_in_circle(_mx, _my, maxx, maxy, 8)) hov = 4;
else if(hover && point_in_rectangle(_mx, _my, minx, miny, maxx, maxy)) hov = 5;
draw_set_color(COLORS._main_accent);
draw_rectangle_border(minx, miny, maxx, maxy, 1 + (hov == 5));
draw_sprite_colored(THEME.anchor_selector, hov == 1, minx, miny);
draw_sprite_colored(THEME.anchor_selector, hov == 2, maxx, miny);
draw_sprite_colored(THEME.anchor_selector, hov == 3, minx, maxy);
draw_sprite_colored(THEME.anchor_selector, hov == 4, maxx, maxy);
if(hov && mouse_press(mb_left, active)) {
transform_type = hov;
transform_minx = (minx - _x) / _s; transform_maxx = (maxx - _x) / _s;
transform_miny = (miny - _y) / _s; transform_maxy = (maxy - _y) / _s;
transform_mx = _mx; transform_my = _my;
transform_sx = _mx; transform_sy = _my;
transform_cx = (transform_minx + transform_maxx) / 2;
transform_cy = (transform_miny + transform_maxy) / 2;
}
break;
case "Anchor add / remove" :
if(hover_type == 0 && key_mod_press(SHIFT)) { //remove
draw_sprite_ui_uniform(THEME.cursor_path_remove, 0, _mx + 4, _my + 4);
if(mouse_press(mb_left, active)) {
var _indx = input_fix_len + anchor_hover;
recordAction(ACTION_TYPE.array_delete, inputs, [ inputs[_indx], _indx, "remove path anchor point" ]);
array_delete(inputs, _indx, 1);
resetDisplayList();
doUpdate();
}
} else {
draw_sprite_ui_uniform(THEME.cursor_path_add, 0, _mx + 4, _my + 4);
}
if(mouse_press(mb_left, active)) {
var ind = array_length(inputs);
var anc = createNewInput(value_snap((_mx - _x) / _s, _snx), value_snap((_my - _y) / _s, _sny), 0, 0, 0, 0, false);
if(_line_hover == -1) {
drag_point = array_length(inputs) - input_fix_len - 1;
} else {
array_remove(inputs, anc);
array_insert(inputs, input_fix_len + _line_hover + 1, anc);
drag_point = _line_hover + 1;
ind = input_fix_len + _line_hover + 1;
}
recordAction(ACTION_TYPE.array_insert, inputs, [ inputs[ind], ind, $"add path anchor point {ind}" ]);
resetDisplayList();
UNDO_HOLDING = true;
drag_type = -1;
drag_point_mx = _mx;
drag_point_my = _my;
drag_point_sx = (_mx - _x) / _s;
drag_point_sy = (_my - _y) / _s;
RENDER_ALL
}
break;
case "Draw path" :
draw_sprite_ui_uniform(THEME.path_tools_draw, 0, _mx + 16, _my + 16);
if(mouse_press(mb_left, active)) {
var replace = tool_pathDrawer.attribute.create;
if(replace) {
while(array_length(inputs) > input_fix_len)
array_delete(inputs, input_fix_len, 1);
resetDisplayList();
}
drag_point = 0;
drag_type = 2;
drag_points = [ [ (_mx - _x) / _s, (_my - _y) / _s ] ];
drag_point_mx = (_mx - _x) / _s;
drag_point_my = (_my - _y) / _s;
}
break;
case "Rectangle path" :
case "Circle path" :
draw_sprite_ui_uniform(THEME.cursor_path_add, 0, _mx + 4, _my + 4);
if(mouse_press(mb_left, active)) {
while(array_length(inputs) > input_fix_len)
array_delete(inputs, input_fix_len, 1);
resetDisplayList();
drag_point = 0;
drag_type = isUsingTool(4)? 3 : 4;
drag_point_mx = _mx;
drag_point_my = _my;
inputs[1].setValue(true);
repeat(4)
createNewInput(value_snap((_mx - _x) / _s, _snx), value_snap((_my - _y) / _s, _sny));
}
break;
case "Weight edit" :
if(_point_hover != noone) {
if(_weight_hover == -1) {
draw_set_color(COLORS._main_accent);
draw_circle(_point_hover[0], _point_hover[1], 4, false);
} else if(_weight_hover != -1 && key_mod_press(SHIFT)) {
draw_sprite_ui_uniform(THEME.cursor_path_remove, 0, _mx + 4, _my + 4);
if(mouse_press(mb_left, active)) {
if(_weight_hover == 0 || _weight_hover == array_length(attributes.weight) - 1)
attributes.weight[_weight_hover][0] = 1;
else
array_delete(attributes.weight, _weight_hover, 1);
triggerRender();
}
break;
}
if(mouse_press(mb_left, active)) {
if(array_empty(attributes.weight)) attributes.weight = [ [ 0, 1 ], [ 100, 1 ] ];
var _w = attributes.weight;
if(_weight_hover != -1) {
weight_drag = _weight_hover;
} else {
for( var i = 0, n = array_length(_w) - 1; i < n; i++ ) {
if(_point_ratio > _w[i + 1][0]) continue;
array_insert(_w, i + 1, [ _point_ratio, 1 ]);
weight_drag = i + 1;
break;
}
}
weight_drag_sx = _point_hover[0];
weight_drag_sy = _point_hover[1];
weight_drag_mx = _mx;
weight_drag_my = _my;
}
}
break;
default :
if(anchor_hover == -1) break;
var _a/*:_ANCHOR*/ = array_clone(getInputData(input_fix_len + anchor_hover));
if(_tooln == "Edit Control point" && hover_type == 0) { // add / remove anchor point
draw_sprite_ui_uniform(THEME.cursor_path_anchor, 0, _mx + 4, _my + 4);
if(mouse_press(mb_left, active)) {
if(_a[_ANCHOR.c1x] != 0 || _a[_ANCHOR.c1y] != 0 || _a[_ANCHOR.c2x] != 0 || _a[_ANCHOR.c2y] != 0) {
_a[@_ANCHOR.c1x] = 0;
_a[@_ANCHOR.c1y] = 0;
_a[@_ANCHOR.c2x] = 0;
_a[@_ANCHOR.c2y] = 0;
_a[@_ANCHOR.ind] = 0;
inputs[input_fix_len + anchor_hover].setValue(_a);
} else {
_a[@_ANCHOR.c1x] = -8;
_a[@_ANCHOR.c1y] = 0;
_a[@_ANCHOR.c2x] = 8;
_a[@_ANCHOR.c2y] = 0;
_a[@_ANCHOR.ind] = 0;
drag_point = anchor_hover;
drag_type = 1;
drag_point_mx = _mx;
drag_point_my = _my;
drag_point_sx = _a[_ANCHOR.x];
drag_point_sy = _a[_ANCHOR.y];
}
}
} else if(hover_type == 0 && key_mod_press(SHIFT)) { //remove
draw_sprite_ui_uniform(THEME.cursor_path_remove, 0, _mx + 4, _my + 4);
if(mouse_press(mb_left, active)) {
var _indx = input_fix_len + anchor_hover;
recordAction(ACTION_TYPE.array_delete, inputs, [ inputs[_indx], _indx, "remove path anchor point" ]);
array_delete(inputs, _indx, 1);
resetDisplayList();
doUpdate();
}
} else {
var _spr = THEME.cursor_path_move;
if(_tooln == "Edit Control point")
_spr = key_mod_press(SHIFT)? THEME.cursor_path_anchor_detach : THEME.cursor_path_anchor_unmirror;
draw_sprite_ui_uniform(_spr, 0, _mx + 4, _my + 4);
if(mouse_press(mb_left, active)) {
if(_tooln == "Edit Control point") {
_a[@_ANCHOR.ind] = key_mod_press(SHIFT)? 2 : 1;
inputs[input_fix_len + anchor_hover].setValue(_a);
}
drag_point = anchor_hover;
drag_type = hover_type;
drag_point_mx = _mx;
drag_point_my = _my;
drag_point_sx = _a[_ANCHOR.x];
drag_point_sy = _a[_ANCHOR.y];
if(hover_type == 1) {
drag_point_sx = _a[_ANCHOR.x] + _a[_ANCHOR.c1x];
drag_point_sy = _a[_ANCHOR.y] + _a[_ANCHOR.c1y];
} else if(hover_type == -1) {
drag_point_sx = _a[_ANCHOR.x] + _a[_ANCHOR.c2x];
drag_point_sy = _a[_ANCHOR.y] + _a[_ANCHOR.c2y];
}
}
}
break;
}
return true;
}
static updateLength = function() {
boundary = new BoundingBox();
segments = [];
lengths = [];
lengthAccs = [];
lengthTotal = 0;
var _index = 0;
var sample = PREFERENCES.path_resolution;
var ansize = array_length(inputs) - input_fix_len;
if(ansize < 2) return;
var con = path_loop? ansize : ansize - 1;
for(var i = 0; i < con; i++) {
var _a0 = anchors[(i + 0) % ansize];
var _a1 = anchors[(i + 1) % ansize];
var l = 0, _ox = 0, _oy = 0, _nx = 0, _ny = 0, p = 0;
var sg = array_create((sample + 1) * 2);
for(var j = 0; j <= sample; j++) {
if(_a0[4] == 0 && _a0[5] == 0 && _a1[2] == 0 && _a1[3] == 0) {
_nx = lerp(_a0[0], _a1[0], j / sample);
_ny = lerp(_a0[1], _a1[1], j / sample);
} else {
_nx = eval_bezier_x(j / sample, _a0[0], _a0[1], _a1[0], _a1[1], _a0[0] + _a0[4], _a0[1] + _a0[5], _a1[0] + _a1[2], _a1[1] + _a1[3]);
_ny = eval_bezier_y(j / sample, _a0[0], _a0[1], _a1[0], _a1[1], _a0[0] + _a0[4], _a0[1] + _a0[5], _a1[0] + _a1[2], _a1[1] + _a1[3]);
}
sg[j * 2 + 0] = _nx;
sg[j * 2 + 1] = _ny;
boundary.addPoint(_nx, _ny);
if(j) l += point_distance(_nx, _ny, _ox, _oy);
_ox = _nx;
_oy = _ny;
}
segments[i] = sg;
lengths[i] = l;
lengthTotal += l;
lengthAccs[i] = lengthTotal;
}
lengthRatio = array_create(ansize + 1);
lengthRatio[0] = 0;
for( var i = 0; i < con; i++ )
lengthRatio[i + 1] = lengthAccs[i] / lengthTotal;
var _w = attributes.weight;
if(array_empty(_w)) weightRatio = array_map(weightRatio, function(i) /*=>*/ {return 1});
else if(array_length(_w) == 1) weightRatio = array_map(weightRatio, function(i) /*=>*/ {return attributes.weight[0][1]});
else {
var _wi = 0;
var _wamo = array_length(_w);
var _amo = 100;
var _wf = _w[_wi + 0];
var _wt = _w[_wi + 1];
for( var i = 0; i <= _amo; i++ ) {
if(i < _amo && i == _wt[0]) {
_wi++;
_wf = _w[_wi + 0];
_wt = _w[_wi + 1];
}
weightRatio[i] = lerp(_wf[1], _wt[1], lerp_smooth((i - _wf[0]) / (_wt[0] - _wf[0])));
}
}
// Surface generate
var pad = min(8, abs(boundary.maxx - boundary.minx) * 0.1, abs(boundary.maxy - boundary.miny) * 0.1);
var minx = boundary.minx - pad, miny = boundary.miny - pad;
var maxx = boundary.maxx + pad, maxy = boundary.maxy + pad;
var rngx = maxx - minx, rngy = maxy - miny;
var prev_s = 128;
_path_preview_surface = surface_verify(_path_preview_surface, prev_s, prev_s);
surface_set_target(_path_preview_surface);
DRAW_CLEAR
var ox, oy, nx, ny;
draw_set_color(c_white);
for (var i = 0, n = array_length(segments); i < n; i++) {
var segment = segments[i];
for (var j = 0, m = array_length(segment); j < m; j += 2) {
nx = (segment[j + 0] - minx) / rngx * prev_s;
ny = (segment[j + 1] - miny) / rngy * prev_s;
if(j) draw_line_round(ox, oy, nx, ny, 4);
ox = nx;
oy = ny;
}
}
draw_set_color(COLORS._main_accent);
for (var i = 0, n = array_length(anchors); i < n; i++) {
var _a0 = anchors[i];
draw_circle((_a0[0] - minx) / rngx * prev_s, (_a0[1] - miny) / rngy * prev_s, 8, false);
}
surface_reset_target();
path_preview_surface = surface_verify(path_preview_surface, prev_s, prev_s);
surface_set_shader(path_preview_surface, sh_FXAA);
shader_set_f("dimension", prev_s, prev_s);
shader_set_f("cornerDis", 0.5);
shader_set_f("mixAmo", 1);
draw_surface_safe(_path_preview_surface);
surface_reset_shader();
}
static getLineCount = function() { return 1; }
static getSegmentCount = function() { return array_length(lengths); }
static getBoundary = function() { return boundary; }
static getLength = function() { return lengthTotal; }
static getAccuLength = function() { return lengthAccs; }
static getPointDistance = function(_dist, _ind = 0, out = undefined) {
if(out == undefined) out = new __vec2P(); else { out.x = 0; out.y = 0; }
if(array_empty(lengths)) return out;
out.weight = 1;
var _cKey = _dist;
if(ds_map_exists(cached_pos, _cKey)) {
var _cachep = cached_pos[? _cKey];
out.x = _cachep.x;
out.y = _cachep.y;
out.weight = _cachep.weight;
return out;
}
var loop = getInputData(1);
if(loop) _dist = safe_mod(_dist, lengthTotal, MOD_NEG.wrap);
var ansize = array_length(inputs) - input_fix_len;
if(ansize == 0) return out;
var _a0, _a1;
for(var i = 0; i < ansize; i++) {
_a0 = anchors[(i + 0) % ansize];
_a1 = anchors[(i + 1) % ansize];
var _l = array_safe_get(lengths, i, 0, ARRAY_OVERFLOW.clamp);
if(_dist > _l) {
_dist -= _l;
continue;
}
var _t = _l == 0? 0 : _dist / _l;
var _rat = lerp(lengthRatio[i], lengthRatio[i + 1], _t) * 100;
var _nw = array_get_decimal(weightRatio, _rat);
if(_a0[4] == 0 && _a0[5] == 0 && _a1[2] == 0 && _a1[3] == 0) {
out.x = lerp(_a0[0], _a1[0], _t);
out.y = lerp(_a0[1], _a1[1], _t);
} else {
out.x = eval_bezier_x(_t, _a0[0], _a0[1], _a1[0], _a1[1], _a0[0] + _a0[4], _a0[1] + _a0[5], _a1[0] + _a1[2], _a1[1] + _a1[3]);
out.y = eval_bezier_y(_t, _a0[0], _a0[1], _a1[0], _a1[1], _a0[0] + _a0[4], _a0[1] + _a0[5], _a1[0] + _a1[2], _a1[1] + _a1[3]);
}
out.weight = _nw;
cached_pos[? _cKey] = new __vec2P(out.x, out.y, _nw);
return out;
}
return out;
}
static getPointRatio = function(_rat, _ind = 0, out = undefined) {
var pix = (path_loop? frac(_rat) : clamp(_rat, 0, 0.99)) * lengthTotal;
return getPointDistance(pix, _ind, out);
}
static getPointSegment = function(_rat) {
if(array_empty(lengths)) return new __vec2P();
var loop = getInputData(1);
var ansize = array_length(inputs) - input_fix_len;
if(_rat < 0) return new __vec2P(anchors[0][0], anchors[0][1]);
_rat = safe_mod(_rat, ansize);
var _i0 = clamp(floor(_rat), 0, ansize - 1);
var _i1 = (_i0 + 1) % ansize;
var _t = frac(_rat);
if(_i1 >= ansize && !loop) return new __vec2P(anchors[ansize - 1][0], anchors[ansize - 1][1]);
var _a0 = anchors[_i0];
var _a1 = anchors[_i1];
var px, py;
if(_a0[4] == 0 && _a0[5] == 0 && _a1[2] == 0 && _a1[3] == 0) {
px = lerp(_a0[0], _a1[0], _t);
py = lerp(_a0[1], _a1[1], _t);
} else {
px = eval_bezier_x(_t, _a0[0], _a0[1], _a1[0], _a1[1], _a0[0] + _a0[4], _a0[1] + _a0[5], _a1[0] + _a1[2], _a1[1] + _a1[3]);
py = eval_bezier_y(_t, _a0[0], _a0[1], _a1[0], _a1[1], _a0[0] + _a0[4], _a0[1] + _a0[5], _a1[0] + _a1[2], _a1[1] + _a1[3]);
}
return new __vec2P(px, py);
}
static update = function(frame = CURRENT_FRAME) {
ds_map_clear(cached_pos);
var _rat = getInputData(0);
path_loop = getInputData(1);
var _typ = getInputData(2);
var _rnd = getInputData(3);
var _a = [];
for(var i = input_fix_len; i < array_length(inputs); i++) {
var _val = getInputData(i);
var _anc = array_create(7, 0);
for(var j = 0; j < 7; j++)
_anc[j] = array_safe_get(_val, j);
if(_rnd) {
_anc[0] = round(_val[0]);
_anc[1] = round(_val[1]);
}
array_push(_a, _anc);
}
anchors = _a;
outputs[2].setValue(_a);
updateLength();
if(is_array(_rat)) {
var _out = array_create(array_length(_rat));
for( var i = 0, n = array_length(_rat); i < n; i++ ) {
if(_typ == 0) _out[i] = getPointRatio(_rat[i]);
else if(_typ == 1) _out[i] = getPointSegment(_rat[i]);
}
outputs[0].setValue(_out);
} else {
var _out = [0, 0];
if(_typ == 0) _out = getPointRatio(_rat);
else if(_typ == 1) _out = getPointSegment(_rat);
outputs[0].setValue(_out.toArray());
}
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var bbox = drawGetBbox(xx, yy, _s);
if(array_empty(segments)) {
draw_sprite_fit(s_node_path, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
} else {
gpu_set_tex_filter(true);
draw_surface_bbox(path_preview_surface, bbox);
gpu_set_tex_filter(false);
}
}
static getPreviewBoundingBox = function() { return BBOX().fromBoundingBox(boundary); }
static onCleanUp = function() {
surface_free(_path_preview_surface);
surface_free( path_preview_surface);
}
}
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