Pixel-Composer/scripts/node_path/node_path.gml
2022-11-03 17:44:49 +07:00

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function Node_create_Path(_x, _y) {
var node = new Node_Path(_x, _y);
ds_list_add(PANEL_GRAPH.nodes_list, node);
return node;
}
function Node_Path(_x, _y) : Node(_x, _y) constructor {
name = "Path";
previewable = false;
inputs[| 0] = nodeValue(0, "Path progress", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
.setDisplay(VALUE_DISPLAY.slider, [0, 1, 0.01]);
inputs[| 1] = nodeValue(1, "Loop", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false);
w = 96;
min_h = 0;
list_start = ds_list_size(inputs);
function createAnchor(_x, _y) {
var index = ds_list_size(inputs);
inputs[| index] = nodeValue(index, "Anchor", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ _x, _y, 0, 0, 0, 0 ])
.setDisplay(VALUE_DISPLAY.vector);
return inputs[| index];
}
outputs[| 0] = nodeValue(0, "Position out", self, JUNCTION_CONNECT.output, VALUE_TYPE.float, [ 0, 0 ]);
outputs[| 1] = nodeValue(1, "Path data", self, JUNCTION_CONNECT.output, VALUE_TYPE.object, self);
tools = [
[ "Anchor add / remove (ctrl)", s_path_tools_add ],
[ "Edit Control point (shift)", s_path_tools_anchor ]
];
lengths = [];
length_total = 0;
drag_point = -1;
drag_type = 0;
drag_point_mx = 0;
drag_point_my = 0;
drag_point_sx = 0;
drag_point_sy = 0;
static drawOverlay = function(_active, _x, _y, _s, _mx, _my) {
var sample = PREF_MAP[? "path_resolution"];
var loop = inputs[| 1].getValue();
var ansize = ds_list_size(inputs) - list_start;
if(drag_point > -1) {
var dx = drag_point_sx + (_mx - drag_point_mx) / _s;
var dy = drag_point_sy + (_my - drag_point_my) / _s;
var inp = inputs[| list_start + drag_point];
var anc = inp.getValue();
if(drag_type == 0) {
anc[0] = dx;
anc[1] = dy;
if(keyboard_check(vk_control)) {
anc[0] = round(anc[0]);
anc[1] = round(anc[1]);
}
} else if(drag_type == 1) {
anc[2] = dx - anc[0];
anc[3] = dy - anc[1];
anc[4] = -anc[2];
anc[5] = -anc[3];
if(keyboard_check(vk_control)) {
anc[2] = round(anc[2]);
anc[3] = round(anc[3]);
anc[4] = round(anc[4]);
anc[5] = round(anc[5]);
}
} else if(drag_type == -1) {
anc[4] = dx - anc[0];
anc[5] = dy - anc[1];
anc[2] = -anc[4];
anc[3] = -anc[5];
if(keyboard_check(vk_control)) {
anc[2] = round(anc[2]);
anc[3] = round(anc[3]);
anc[4] = round(anc[4]);
anc[5] = round(anc[5]);
}
}
inp.setValue(anc);
if(mouse_check_button_released(mb_left))
drag_point = -1;
}
draw_set_color(c_ui_orange);
for(var i = loop? 0 : 1; i < ansize; i++) {
var _a0 = 0;
var _a1 = 0;
if(i) {
_a0 = inputs[| list_start + i - 1].getValue();
_a1 = inputs[| list_start + i].getValue();
} else {
_a0 = inputs[| list_start + ansize - 1].getValue();
_a1 = inputs[| list_start + 0].getValue();
}
var _ox = 0, _oy = 0, _nx = 0, _ny = 0, p = 0;
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]);
_nx = _x + p[0] * _s;
_ny = _y + p[1] * _s;
if(j) draw_line(_ox, _oy, _nx, _ny);
_ox = _nx;
_oy = _ny;
}
}
var anchor_hover = -1;
var hover_type = 0;
for(var i = 0; i < ansize; i++) {
var _a = inputs[| list_start + i].getValue();
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(_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(c_ui_blue_grey);
draw_line(_ax0, _ay0, xx, yy);
draw_line(_ax1, _ay1, xx, yy);
draw_sprite_ui_uniform(s_anchor_selector, 2, _ax0, _ay0);
draw_sprite_ui_uniform(s_anchor_selector, 2, _ax1, _ay1);
}
draw_sprite_ui_uniform(s_anchor_selector, 0, xx, yy);
if(drag_point == i) {
draw_sprite_ui_uniform(s_anchor_selector, 1, xx, yy);
} else if(point_in_circle(_mx, _my, xx, yy, 8)) {
draw_sprite_ui_uniform(s_anchor_selector, 1, xx, yy);
anchor_hover = i;
hover_type = 0;
} else if(cont && point_in_circle(_mx, _my, _ax0, _ay0, 8)) {
draw_sprite_ui_uniform(s_anchor_selector, 0, _ax0, _ay0);
anchor_hover = i;
hover_type = 1;
} else if(cont && point_in_circle(_mx, _my, _ax1, _ay1, 8)) {
draw_sprite_ui_uniform(s_anchor_selector, 0, _ax1, _ay1);
anchor_hover = i;
hover_type = -1;
}
}
if(anchor_hover != -1) {
var _a = inputs[| list_start + anchor_hover].getValue();
if(keyboard_check(vk_shift) || PANEL_PREVIEW.tool_index == 1) {
draw_sprite_ui_uniform(s_cursor_path_anchor, 0, _mx + 16, _my + 16);
if(_active && mouse_check_button_pressed(mb_left)) {
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;
inputs[| list_start + anchor_hover].setValue(_a);
} else {
_a[2] = -8;
_a[3] = 0;
_a[4] = 8;
_a[5] = 0;
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(keyboard_check(vk_control) || PANEL_PREVIEW.tool_index == 0) {
draw_sprite_ui_uniform(s_cursor_path_remove, 0, _mx + 16, _my + 16);
if(_active && mouse_check_button_pressed(mb_left)) {
ds_list_delete(inputs, list_start + anchor_hover);
doUpdate();
}
} else {
draw_sprite_ui_uniform(s_cursor_path_move, 0, _mx + 16, _my + 16);
if(_active && mouse_check_button_pressed(mb_left)) {
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];
}
}
}
} else if(keyboard_check(vk_control) || PANEL_PREVIEW.tool_index == 0) {
draw_sprite_ui_uniform(s_cursor_path_add, 0, _mx + 16, _my + 16);
if(_active && mouse_check_button_pressed(mb_left)) {
drag_point = ds_list_size(inputs) - list_start;
createAnchor((_mx - _x) / _s, (_my - _y) / _s);
drag_type = 1;
drag_point_mx = _mx;
drag_point_my = _my;
drag_point_sx = (_mx - _x) / _s;
drag_point_sy = (_my - _y) / _s;
}
}
}
static updateLength = function() {
length_total = 0;
var loop = inputs[| 1].getValue();
var ansize = ds_list_size(inputs) - list_start;
if(ansize < 2) {
lengths = [];
return;
}
var sample = PREF_MAP[? "path_resolution"];
var con = loop? ansize : ansize - 1;
if(array_length(lengths) != con)
array_resize(lengths, con);
for(var i = 0; i < con; i++) {
var index_0 = list_start + i;
var index_1 = list_start + i + 1;
if(index_1 >= ds_list_size(inputs)) index_1 = list_start;
var _a0 = inputs[| index_0].getValue();
var _a1 = inputs[| index_1].getValue();
var l = 0;
var _ox = 0, _oy = 0, _nx = 0, _ny = 0, p = 0;
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]);
_nx = p[0];
_ny = p[1];
if(j) l += point_distance(_nx, _ny, _ox, _oy);
_ox = _nx;
_oy = _ny;
}
lengths[i] = l;
length_total += l;
}
}
static getPointRatio = function(_rat) {
var loop = inputs[| 1].getValue();
var ansize = ds_list_size(inputs) - list_start;
if(array_length(lengths) < 1) return [0, 0];
var pix = clamp(_rat, 0, 1) * length_total;
for(var i = 0; i < ansize; i++) {
if(pix <= lengths[i]) {
var _a0 = inputs[| list_start + i].getValue();
var _a1 = inputs[| list_start + safe_mod(i + 1, ansize)].getValue();
var _t = pix / lengths[i];
if(!is_array(_a0) || !is_array(_a1))
return [0, 0];
return 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]);
}
pix -= lengths[i];
}
return [0, 0];
}
static update = function() {
updateLength();
var _point = inputs[| 0].getValue();
var _out = getPointRatio(_point);
outputs[| 0].setValue(_out);
}
static onDrawNode = function(xx, yy, _mx, _my, _s) {
draw_sprite_ext(s_node_draw_path, 0, xx + w * _s / 2, yy + 10 + (h - 10) * _s / 2, _s, _s, 0, c_white, 1);
}
static postDeserialize = function() {
var _inputs = load_map[? "inputs"];
for(var i = list_start; i < ds_list_size(_inputs); i++) {
createAnchor(0, 0).deserialize(_inputs[| i]);
}
}
}