Pixel-Composer/scripts/curveBox/curveBox.gml
2023-10-07 14:09:18 +07:00

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function curveBox(_onModify) : widget() constructor {
onModify = _onModify;
curve_surface = surface_create(1, 1);
node_dragging = -1;
node_drag_typ = -1;
zoom_level = 1;
zoom_level_to = 1;
zoom_min = 1;
zoom_max = 3;
zooming = false;
miny = 0;
maxy = 1;
progress_draw = -1;
display_pos_x = 0;
display_pos_y = 0;
display_sel = false;
grid_snap = false;
grid_step = 0.05;
grid_show = false;
static get_x = function(val, _x, _w) { return _x + _w * val; }
static get_y = function(val, _y, _h) { return _y + _h * (1 - (val - miny) / (maxy - miny)); }
static register = function() {}
static drawParam = function(params) {
rx = params.rx;
ry = params.ry;
return draw(params.x, params.y, params.w, params.h, params.data, params.m);
}
static draw = function(_x, _y, _w, _h, _data, _m) {
x = _x;
y = _y;
w = _w;
h = _h;
var cw = _w - ui(32);
if(!is_array(_data) || array_length(_data) == 0) return 0;
if(is_array(_data[0])) return 0;
var points = array_length(_data) / 6;
#region display
zoom_level = lerp_float(zoom_level, zoom_level_to, 2);
miny = 0.5 - 0.5 * zoom_level;
maxy = 0.5 + 0.5 * zoom_level;
display_pos_x = clamp((_m[0] - _x) / cw, 0, 1);
display_pos_y = lerp(miny, maxy, 1 - (_m[1] - _y) / _h);
display_sel = false;
#endregion
curve_surface = surface_verify(curve_surface, cw, _h);
if(node_dragging != -1) { #region editing
if(node_drag_typ == 0) {
var node_point = (node_dragging - 2) / 6;
if(node_point > 0 && node_point < points - 1) {
var _mx = (_m[0] - _x) / cw;
_mx = clamp(_mx, 0, 1);
if(key_mod_press(CTRL) || grid_snap)
_mx = value_snap(_mx, grid_step);
var bfx = _data[node_dragging - 6];
var afx = _data[node_dragging + 6];
if(_mx == bfx) node_dragging -= 6;
else if(_mx == afx) node_dragging += 6;
else _data[node_dragging + 0] = _mx;
}
var _my = 1 - (_m[1] - _y) / _h;
_my = clamp(_my * (maxy - miny) + miny, 0, 1);
if(key_mod_press(CTRL) || grid_snap) _my = value_snap(_my, grid_step);
_data[node_dragging + 1] = _my;
display_pos_x = _data[node_dragging + 0];
display_pos_y = _data[node_dragging + 1];
display_sel = 1;
//sort by x
var _xindex = [];
var _pindex = [];
for( var i = 0; i < points; i++ ) {
var ind = i * 6;
var _x0 = _data[ind + 2];
array_push(_xindex, _x0);
array_push(_pindex, _x0);
}
array_sort(_xindex, true);
if(node_point > 0 && node_point < points - 1) {
var sorted = [];
for( var i = 0; i < points; i++ ) {
var prog = _xindex[i];
var ind = array_find(_pindex, prog);
array_push(sorted, _data[ind * 6 + 0]);
array_push(sorted, _data[ind * 6 + 1]);
array_push(sorted, _data[ind * 6 + 2]);
array_push(sorted, _data[ind * 6 + 3]);
array_push(sorted, _data[ind * 6 + 4]);
array_push(sorted, _data[ind * 6 + 5]);
}
if(onModify(sorted))
UNDO_HOLDING = true;
} else if(onModify(_data))
UNDO_HOLDING = true;
} else {
var _px = _data[node_dragging + 0];
var _py = _data[node_dragging + 1];
var _mx = (_m[0] - _x) / cw;
_mx = clamp(_mx, 0, 1);
if(key_mod_press(CTRL) || grid_snap) _mx = value_snap(_mx, grid_step);
_data[node_dragging - 2] = (_px - _mx) * node_drag_typ;
_data[node_dragging + 2] = (_mx - _px) * node_drag_typ;
var _my = 1 - (_m[1] - _y) / _h;
_my = lerp(miny, maxy, _my);
if(key_mod_press(CTRL) || grid_snap) _my = value_snap(_my, grid_step);
_data[node_dragging - 1] = clamp(_py - _my, -1, 1) * node_drag_typ;
_data[node_dragging + 3] = clamp(_my - _py, -1, 1) * node_drag_typ;
display_pos_x = node_drag_typ? _data[node_dragging - 2] : _data[node_dragging + 2];
display_pos_y = node_drag_typ? _data[node_dragging - 1] : _data[node_dragging + 3];
display_sel = 2;
if(onModify(_data))
UNDO_HOLDING = true;
}
if(mouse_release(mb_left)) {
node_dragging = -1;
node_drag_typ = -1;
UNDO_HOLDING = false;
}
} #endregion
var node_hovering = -1;
var node_hover_typ = -1;
var point_insert = 1;
var _x1 = 0;
var msx = _m[0] - _x;
var msy = _m[1] - _y;
#region ==== draw ====
surface_set_target(curve_surface);
DRAW_CLEAR
draw_set_color(COLORS.widget_curve_line);
draw_set_alpha(0.75);
if(grid_show) {
var st = max(grid_step, 0.02);
for( var i = st; i < 1; i += st ) {
var y0 = _h - _h * (i - miny) / (maxy - miny);
draw_line(0, y0, cw, y0);
var x0 = cw * i;
draw_line(x0, 0, x0, _h);
}
}
draw_set_alpha(0.9);
var y0 = _h - _h * (0 - miny) / (maxy - miny);
draw_line(0, y0, cw, y0);
var y1 = _h - _h * (1 - miny) / (maxy - miny);
draw_line(0, y1, cw, y1);
draw_set_alpha(1);
if(progress_draw > -1) {
var _prg = clamp(progress_draw, 0, 1);
var _px = cw * _prg;
draw_set_color(COLORS.widget_curve_line);
draw_line(_px, 0, _px, _h);
}
for( var i = 0; i < points; i++ ) {
var ind = i * 6;
var _x0 = _data[ind + 2];
var _y0 = _data[ind + 3];
var bx0 = _x0 + _data[ind + 0];
var by0 = _y0 + _data[ind + 1];
var ax0 = _x0 + _data[ind + 4];
var ay0 = _y0 + _data[ind + 5];
bx0 = get_x(bx0, 0, cw);
by0 = get_y(by0, 0, _h);
_x0 = get_x(_x0, 0, cw);
_y0 = get_y(_y0, 0, _h);
ax0 = get_x(ax0, 0, cw);
ay0 = get_y(ay0, 0, _h);
draw_set_color(COLORS.widget_curve_line);
if(i > 0) { //draw pre line
draw_line(bx0, by0, _x0, _y0);
draw_circle_prec(bx0, by0, 3, false);
if(hover && point_in_circle(msx, msy, bx0, by0, 10)) {
draw_circle_prec(bx0, by0, 5, false);
node_hovering = ind + 2;
node_hover_typ = -1;
display_pos_x = _data[ind + 0];
display_pos_y = _data[ind + 1];
display_sel = 2;
}
}
if(i < points - 1) { //draw post line
draw_line(ax0, ay0, _x0, _y0);
draw_circle_prec(ax0, ay0, 3, false);
if(hover && point_in_circle(msx, msy, ax0, ay0, 10)) {
draw_circle_prec(ax0, ay0, 5, false);
node_hovering = ind + 2;
node_hover_typ = 1;
display_pos_x = _data[ind + 4];
display_pos_y = _data[ind + 5];
display_sel = 2;
}
}
draw_set_color(COLORS._main_accent);
draw_circle_prec(_x0, _y0, 3, false);
if(hover && point_in_circle(msx, msy, _x0, _y0, 10)) {
draw_circle_prec(_x0, _y0, 5, false);
node_hovering = ind + 2;
node_hover_typ = 0;
display_pos_x = _data[ind + 2];
display_pos_y = _data[ind + 3];
display_sel = 1;
}
if(msx >= _x1 && msy <= _x0)
point_insert = i;
_x1 = _x0;
}
draw_set_color(COLORS._main_accent);
draw_curve(0, 0, cw, -_h, _data, miny, maxy);
surface_reset_target();
#endregion
#region ==== buttons ====
var bs = ui(20);
var bxF = _x + cw + ui(8);
var bx = bxF + ui(0);
var by0 = _y;
var by1 = _y + _h - bs + ui(2);
var byF = _y + (bs + ui(6));
var byH = _h + ui(2) - (bs + ui(6)) * 2;
draw_sprite_stretched_ext(THEME.ui_panel_bg, 0, bxF, byF, bs, byH, COLORS.assetbox_current_bg, 1);
var zH = ui(16);
var zy = byF + zH / 2 + (byH - zH) * (zoom_level_to - zoom_min) / (zoom_max - zoom_min);
if(zooming) {
zoom_level_to = lerp(zoom_min, zoom_max, clamp((_m[1] - byF - zH / 2) / (byH - zH), 0, 1));
if(mouse_release(mb_left))
zooming = false;
}
var cc = merge_color(COLORS._main_icon, COLORS._main_icon_dark, 0.5);
if(point_in_rectangle(_m[0], _m[1], bxF, byF, _x + _w, byF + byH)) {
cc = COLORS._main_icon;
if(mouse_click(mb_left, active))
zooming = true;
}
draw_sprite_stretched_ext(THEME.timeline_dopesheet_bg, 0, bxF, zy - zH / 2, bs, zH, cc, 1);
if(buttonInstant(THEME.button_hide, bx, by0, bs, bs, _m, active, hover,, THEME.add_16) == 2)
zoom_level_to = clamp(zoom_level_to - 1, zoom_min, zoom_max);
if(buttonInstant(THEME.button_hide, bx, by1, bs, bs, _m, active, hover,, THEME.minus_16) == 2)
zoom_level_to = clamp(zoom_level_to + 1, zoom_min, zoom_max);
#endregion
if(hover && point_in_rectangle(_m[0], _m[1], _x, _y, _x + cw, _y + _h)) { #region
if(mouse_press(mb_left, active)) {
if(node_hovering == -1) {
var _ind = point_insert * 6;
var _px = (_m[0] - _x) / cw;
var _py = 1 - (_m[1] - _y) / _h;
array_insert(_data, _ind + 0, -0.1);
array_insert(_data, _ind + 1, 0);
array_insert(_data, _ind + 2, _px);
array_insert(_data, _ind + 3, _py);
array_insert(_data, _ind + 4, 0.1);
array_insert(_data, _ind + 5, 0);
if(onModify(_data))
UNDO_HOLDING = true;
node_dragging = _ind + 2;
node_drag_typ = 0;
} else {
node_dragging = node_hovering;
node_drag_typ = node_hover_typ;
}
} else if(mouse_press(mb_right, active)) {
var node_point = (node_hovering - 2) / 6;
if(node_hover_typ == 0 && node_point > 0 && node_point < points - 1) {
array_delete(_data, node_point * 6, 6);
if(onModify(_data))
UNDO_HOLDING = true;
}
}
if(mouse_press(mb_right, active)) {
menuCall("widget_curve", rx + _m[0], ry + _m[1], [
menuItem(grid_show? __txt("Hide grid") : __txt("Show grid"), function() { grid_show = !grid_show; }),
menuItem(__txt("Snap to grid"), function() { grid_snap = !grid_snap; },,, function() { return grid_snap } ),
menuItemGroup("Grid size", [
[ "1%", function() { grid_step = 0.01; } ],
[ "5%", function() { grid_step = 0.05; } ],
[ "10%", function() { grid_step = 0.10; } ],
[ "25%", function() { grid_step = 0.25; } ],
])
]);
}
} #endregion
draw_surface(curve_surface, _x, _y);
draw_set_color(COLORS.widget_curve_outline);
draw_rectangle(_x, _y, _x + cw, _y + _h, true);
var tx = _x + cw - ui(6);
var ty = _y + _h - ui(6);
draw_set_text(f_p2, fa_right, fa_bottom, display_sel? COLORS._main_text: COLORS._main_text_sub);
draw_text_add(tx, ty, $"{display_sel == 2? "dy" : "y"}: {string_format(display_pos_y * 100, -1, 2)}%");
ty -= line_get_height();
draw_text_add(tx, ty, $"{display_sel == 2? "dx" : "x"}: {string_format(display_pos_x * 100, -1, 2)}%");
resetFocus();
return h;
}
}