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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,
}
function Node_Path(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
name = "Path";
setDimension(96, 80);
inputs[| 0] = nodeValue("Path progress", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0, "Sample position from path.")
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 1] = nodeValue("Loop", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false)
.rejectArray();
inputs[| 2] = nodeValue("Progress mode", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_scroll, ["Entire line", "Segment"])
.rejectArray();
inputs[| 3] = nodeValue("Round anchor", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false)
.rejectArray();
outputs[| 0] = nodeValue("Position out", self, JUNCTION_CONNECT.output, VALUE_TYPE.float, [ 0, 0 ])
.setDisplay(VALUE_DISPLAY.vector);
outputs[| 1] = nodeValue("Path data", self, JUNCTION_CONNECT.output, VALUE_TYPE.pathnode, self);
outputs[| 2] = nodeValue("Anchors", self, JUNCTION_CONNECT.output, VALUE_TYPE.float, [])
.setVisible(false)
.setArrayDepth(1);
input_display_list = [
["Path", false], 0, 2, 1, 3,
["Anchors", false],
];
setIsDynamicInput(1);
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 ),
];
#region ---- path ----
path_loop = false;
anchors = [];
segments = [];
lengths = [];
lengthAccs = [];
lengthTotal = 0;
boundary = new BoundingBox();
cached_pos = ds_map_create();
#endregion
#region ---- editor ----
line_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;
#endregion
static resetDisplayList = function() { #region
recordAction(ACTION_TYPE.var_modify, self, [ array_clone(input_display_list), "input_display_list" ]);
input_display_list = [
["Path", false], 0, 2, 1, 3,
["Anchors", false],
];
for( var i = input_fix_len, n = ds_list_size(inputs); i < n; i++ ) {
array_push(input_display_list, i);
inputs[| i].name = $"Anchor {i - input_fix_len}";
}
} #endregion
static createNewInput = function(_x = 0, _y = 0, _dxx = 0, _dxy = 0, _dyx = 0, _dyy = 0, rec = true) { #region
var index = ds_list_size(inputs);
inputs[| index] = nodeValue("Anchor", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ _x, _y, _dxx, _dxy, _dyx, _dyy, false ])
.setDisplay(VALUE_DISPLAY.path_anchor);
if(rec) {
recordAction(ACTION_TYPE.list_insert, inputs, [ inputs[| index], index, $"add path anchor point {index}" ]);
resetDisplayList();
}
return inputs[| index];
} #endregion
static onValueUpdate = function(index = 0) { #region
if(index == 2) {
var type = getInputData(2);
if(type == 0)
inputs[| 0].setDisplay(VALUE_DISPLAY.slider);
else if(type == 1)
inputs[| 0].setDisplay(VALUE_DISPLAY._default);
}
} #endregion
static drawPreview = function(_x, _y, _s) { #region
} #endregion
static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) { #region
var sample = PREFERENCES.path_resolution;
var loop = getInputData(1);
var ansize = ds_list_size(inputs) - input_fix_len;
var _edited = false;
var pos = outputs[| 0].getValue();
draw_set_color(COLORS._main_accent);
draw_circle(_x + pos[0] * _s, _y + pos[1] * _s, 4, false);
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) { #region 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 < ds_list_size(inputs); i++ ) {
var p = array_clone(getInputData(i));
p[0] += dx / _s;
p[1] += dy / _s;
if(inputs[| i].setValue(p))
_edited = true;
}
transform_mx = mx;
transform_my = my;
#endregion
} else { #region 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 < ds_list_size(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;
}
#endregion
}
if(_edited)
UNDO_HOLDING = true;
if(mouse_release(mb_left)) {
transform_type = 0;
RENDER_ALL
UNDO_HOLDING = false;
}
} 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);
if(drag_type < 2) { #region move points
var inp = inputs[| input_fix_len + drag_point];
var anc = array_clone(inp.getValue());
if(drag_type != 0 && SHIFT == KEYBOARD_STATUS.down)
anc[_ANCHOR.ind] = !anc[_ANCHOR.ind];
if(drag_type == 0) { //drag anchor point
anc[_ANCHOR.x] = dx;
anc[_ANCHOR.y] = dy;
if(key_mod_press(CTRL)) {
anc[_ANCHOR.x] = round(anc[0]);
anc[_ANCHOR.y] = round(anc[1]);
}
} 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]) {
anc[_ANCHOR.c2x] = -anc[_ANCHOR.c1x];
anc[_ANCHOR.c2y] = -anc[_ANCHOR.c1y];
}
if(key_mod_press(CTRL)) {
anc[_ANCHOR.c1x] = round(anc[_ANCHOR.c1x]);
anc[_ANCHOR.c1y] = round(anc[_ANCHOR.c1y]);
if(!anc[_ANCHOR.ind]) {
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]) {
anc[_ANCHOR.c1x] = -anc[4];
anc[_ANCHOR.c1y] = -anc[5];
}
if(key_mod_press(CTRL)) {
anc[_ANCHOR.c2x] = round(anc[_ANCHOR.c2x]);
anc[_ANCHOR.c2y] = round(anc[_ANCHOR.c2y]);
if(!anc[_ANCHOR.ind]) {
anc[_ANCHOR.c1x] = round(anc[_ANCHOR.c1x]);
anc[_ANCHOR.c1y] = round(anc[_ANCHOR.c1y]);
}
}
}
if(inp.setValue(anc))
_edited = true;
#endregion
} else if(drag_type == 2) { #region pen tools
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 = 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 = ds_list_size(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 = drag_points[points[i - 1]];
var _p1 = 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 >= ds_list_size(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);
}
}
#endregion
} else if(drag_type == 3) { #region draw rectangle
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(SHIFT)) {
var _n = max(maxx - minx, maxy - miny);
maxx = minx + _n;
maxy = miny + _n;
}
var a = [];
for( var i = 0; i < 4; i++ )
a[i] = array_clone(getInputData(input_fix_len + i));
a[0][_ANCHOR.x] = minx;
a[0][_ANCHOR.y] = miny;
a[1][_ANCHOR.x] = maxx;
a[1][_ANCHOR.y] = miny;
a[2][_ANCHOR.x] = maxx;
a[2][_ANCHOR.y] = maxy;
a[3][_ANCHOR.x] = minx;
a[3][_ANCHOR.y] = maxy;
for( var i = 0; i < 4; i++ ) {
if(inputs[| input_fix_len + i].setValue(a[i]))
_edited = true;
}
#endregion
} else if(drag_type == 4) { #region draw circle
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(SHIFT)) {
var _n = max(maxx - minx, maxy - miny);
maxx = minx + _n;
maxy = miny + _n;
}
var a = [];
for( var i = 0; i < 4; i++ )
a[i] = array_clone(getInputData(input_fix_len + i));
a[0][_ANCHOR.x ] = (minx + maxx) / 2;
a[0][_ANCHOR.y ] = miny;
a[0][_ANCHOR.c1x] = -(maxx - minx) * 0.27614;
a[0][_ANCHOR.c1y] = 0;
a[0][_ANCHOR.c2x] = (maxx - minx) * 0.27614;
a[0][_ANCHOR.c2y] = 0;
a[1][_ANCHOR.x ] = maxx;
a[1][_ANCHOR.y ] = (miny + maxy) / 2;
a[1][_ANCHOR.c1x] = 0;
a[1][_ANCHOR.c1y] = -(maxy - miny) * 0.27614;
a[1][_ANCHOR.c2x] = 0;
a[1][_ANCHOR.c2y] = (maxy - miny) * 0.27614;
a[2][_ANCHOR.x ] = (minx + maxx) / 2;
a[2][_ANCHOR.y ] = maxy;
a[2][_ANCHOR.c1x] = (maxx - minx) * 0.27614;
a[2][_ANCHOR.c1y] = 0;
a[2][_ANCHOR.c2x] = -(maxx - minx) * 0.27614;
a[2][_ANCHOR.c2y] = 0;
a[3][_ANCHOR.x ] = minx;
a[3][_ANCHOR.y ] = (miny + maxy) / 2;
a[3][_ANCHOR.c1x] = 0;
a[3][_ANCHOR.c1y] = (maxy - miny) * 0.27614;
a[3][_ANCHOR.c2x] = 0;
a[3][_ANCHOR.c2y] = -(maxy - miny) * 0.27614;
for( var i = 0; i < 4; i++ ) {
if(inputs[| input_fix_len + i].setValue(a[i]))
_edited = true;
}
#endregion
}
if(_edited) UNDO_HOLDING = true;
if(mouse_release(mb_left)) {
drag_point = -1;
RENDER_ALL
UNDO_HOLDING = false;
}
}
var _line_hover = -1;
var anchor_hover = -1;
var hover_type = 0;
var points = [];
var _a0, _a1;
var minx = 99999, miny = 99999;
var maxx = -99999, maxy = -99999;
if(!array_empty(anchors)) {
draw_set_color(isUsingTool(0)? c_white : COLORS._main_accent);
for( var i = 0, n = array_length(segments); i < n; i++ ) { #region draw path
var _seg = segments[i];
var _ox = 0, _oy = 0, _nx = 0, _ny = 0, p = 0;
for( var j = 0, m = array_length(_seg); j < m; j++ ) {
_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);
if(j) {
if((key_mod_press(CTRL) || isUsingTool(1)) && distance_to_line(_mx, _my, _ox, _oy, _nx, _ny) < 4)
_line_hover = i;
draw_line_width(_ox, _oy, _nx, _ny, 1 + 2 * (line_hover == i));
}
_ox = _nx;
_oy = _ny;
}
} #endregion
#region draw anchor
if(!isUsingTool(0))
for(var i = 0; i < ansize; i++) {
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(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 && 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 && point_in_circle(_mx, _my, _ax1, _ay1, 8)) {
draw_sprite_colored(THEME.anchor_selector, 0, _ax1, _ay1);
anchor_hover = i;
hover_type = -1;
}
}
#endregion
}
line_hover = _line_hover;
if(isUsingTool(0)) { #region transform tools
var hov = 0;
if(point_in_circle(_mx, _my, minx, miny, 8)) hov = 1;
else if(point_in_circle(_mx, _my, maxx, miny, 8)) hov = 2;
else if(point_in_circle(_mx, _my, minx, maxy, 8)) hov = 3;
else if(point_in_circle(_mx, _my, maxx, maxy, 8)) hov = 4;
else if(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;
}
#endregion
} else if(isUsingTool(3)) { #region pen tools
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(ds_list_size(inputs) > input_fix_len)
ds_list_delete(inputs, input_fix_len);
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;
}
#endregion
} else if(isUsingTool(4) || isUsingTool(5)) { #region shape tools
draw_sprite_ui_uniform(THEME.cursor_path_add, 0, _mx + 16, _my + 16);
if(mouse_press(mb_left, active)) {
while(ds_list_size(inputs) > input_fix_len)
ds_list_delete(inputs, input_fix_len);
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));
}
#endregion
} else if(anchor_hover != -1) { #region no tool, dragging existing point
var _a = array_clone(getInputData(input_fix_len + anchor_hover));
if(isUsingTool(2) && hover_type == 0) {
draw_sprite_ui_uniform(THEME.cursor_path_anchor, 0, _mx + 16, _my + 16);
if(mouse_press(mb_left, active)) {
if(_a[2] != 0 || _a[3] != 0 || _a[4] != 0 || _a[5] != 0) {
_a[2] = 0;
_a[3] = 0;
_a[4] = 0;
_a[5] = 0;
_a[6] = false;
inputs[| input_fix_len + anchor_hover].setValue(_a);
} else {
_a[2] = -8;
_a[3] = 0;
_a[4] = 8;
_a[5] = 0;
_a[6] = false;
drag_point = anchor_hover;
drag_type = 1;
drag_point_mx = _mx;
drag_point_my = _my;
drag_point_sx = _a[0];
drag_point_sy = _a[1];
}
}
} else if(hover_type == 0 && key_mod_press(SHIFT)) { //remove
draw_sprite_ui_uniform(THEME.cursor_path_remove, 0, _mx + 16, _my + 16);
if(mouse_press(mb_left, active)) {
var _indx = input_fix_len + anchor_hover;
recordAction(ACTION_TYPE.list_delete, inputs, [ inputs[| _indx], _indx, "remove path anchor point" ]);
ds_list_delete(inputs, _indx);
resetDisplayList();
doUpdate();
}
} else {
draw_sprite_ui_uniform(THEME.cursor_path_move, 0, _mx + 16, _my + 16);
if(mouse_press(mb_left, active)) {
if(isUsingTool(2)) {
_a[_ANCHOR.ind] = true;
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[0];
drag_point_sy = _a[1];
if(hover_type == 1) {
drag_point_sx = _a[0] + _a[2];
drag_point_sy = _a[1] + _a[3];
} else if(hover_type == -1) {
drag_point_sx = _a[0] + _a[4];
drag_point_sy = _a[1] + _a[5];
}
}
}
#endregion
} else if(key_mod_press(CTRL) || isUsingTool(1)) { #region anchor edit
draw_sprite_ui_uniform(THEME.cursor_path_add, 0, _mx + 16, _my + 16);
if(mouse_press(mb_left, active)) {
var ind = ds_list_size(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 = ds_list_size(inputs) - input_fix_len - 1;
} else {
ds_list_remove(inputs, anc);
ds_list_insert(inputs, input_fix_len + _line_hover + 1, anc);
drag_point = _line_hover + 1;
ind = input_fix_len + _line_hover + 1;
}
recordAction(ACTION_TYPE.list_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
}
#endregion
}
} #endregion
static updateLength = function() { #region
boundary = new BoundingBox();
segments = [];
lengths = [];
lengthAccs = [];
lengthTotal = 0;
var loop = getInputData(1);
var sample = PREFERENCES.path_resolution;
var ansize = ds_list_size(inputs) - input_fix_len;
if(ansize < 2) return;
var con = 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);
for(var j = 0; j <= sample; j++) {
p = eval_bezier(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] = p;
_nx = p[0];
_ny = p[1];
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;
}
} #endregion
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) { #region
if(out == undefined) out = new __vec2(); else { out.x = 0; out.y = 0; }
if(array_empty(lengths)) return out;
var _cKey = _dist;
if(ds_map_exists(cached_pos, _cKey)) {
var _p = cached_pos[? _cKey];
out.x = _p.x;
out.y = _p.y;
return out;
}
var loop = getInputData(1);
if(loop) _dist = safe_mod(_dist, lengthTotal, MOD_NEG.wrap);
var ansize = ds_list_size(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];
if(_dist > lengths[i]) {
_dist -= lengths[i];
continue;
}
var _t = _dist / lengths[i];
var _p = eval_bezier(_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.x = _p[0];
out.y = _p[1];
cached_pos[? _cKey] = out.clone();
return out;
}
return out;
} #endregion
static getPointRatio = function(_rat, _ind = 0, out = undefined) { #region
var pix = (path_loop? frac(_rat) : clamp(_rat, 0, 0.99)) * lengthTotal;
return getPointDistance(pix, _ind, out);
} #endregion
static getPointSegment = function(_rat) { #region
if(array_empty(lengths)) return new __vec2();
var loop = getInputData(1);
var ansize = ds_list_size(inputs) - input_fix_len;
if(_rat < 0) return new __vec2(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 __vec2(anchors[ansize - 1][0], anchors[ansize - 1][1]);
var _a0 = anchors[_i0];
var _a1 = anchors[_i1];
var p = eval_bezier(_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 __vec2(p[0], p[1]);
} #endregion
static update = function(frame = CURRENT_FRAME) { #region
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 < ds_list_size(inputs); i++) {
var _anc = array_clone(getInputData(i));
if(_rnd) {
_anc[0] = round(_anc[0]);
_anc[1] = round(_anc[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());
}
} #endregion
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) { #region
var bbox = drawGetBbox(xx, yy, _s);
draw_sprite_fit(THEME.node_draw_path, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
} #endregion
}
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