Pixel-Composer/scripts/node_transform/node_transform.gml
2023-02-14 11:32:32 +07:00

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enum OUTPUT_SCALING {
same_as_input,
constant,
relative
}
function Node_Transform(_x, _y, _group = -1) : Node_Processor(_x, _y, _group) constructor {
name = "Transform";
inputs[| 0] = nodeValue("Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, noone);
inputs[| 1] = nodeValue("Output dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, [1, 1])
.setDisplay(VALUE_DISPLAY.vector)
.setVisible(false);
inputs[| 2] = nodeValue("Position", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 0.5, 0.5 ])
.setDisplay(VALUE_DISPLAY.vector)
.setUnitRef(function(index) { return getDimension(index); }, VALUE_UNIT.reference);
inputs[| 3] = nodeValue("Anchor", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 0.5, 0.5 ])
.setDisplay(VALUE_DISPLAY.vector, button(function() { centerAnchor(); })
.setIcon(THEME.anchor)
.setTooltip("Set to center"));
inputs[| 4] = nodeValue("Relative anchor", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
inputs[| 5] = nodeValue("Rotation", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.rotation);
inputs[| 6] = nodeValue("Scale", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 1, 1 ])
.setDisplay(VALUE_DISPLAY.vector);
inputs[| 7] = nodeValue("Tile", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false, "Repeat the surface to fill the screen.");
inputs[| 8] = nodeValue("Rotate by velocity", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0, "Make the surface rotates to follow its movement.")
.setDisplay(VALUE_DISPLAY.slider, [0, 1, 0.01]);
inputs[| 9] = nodeValue("Output dimension type", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, OUTPUT_SCALING.same_as_input)
.setDisplay(VALUE_DISPLAY.enum_scroll, [ "Same as input", "Constant", "Relative to input" ]);
inputs[| 10] = nodeValue("Round position", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false, "Round position to the closest integer value to avoid jittering.");
inputs[| 11] = nodeValue("Active", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
active_index = 11;
input_display_list = [ 11, 0,
["Output", true], 9, 1, 7,
["Position", false], 2, 10,
["Rotation", false], 3, 5, 8,
["Scale", false], 6
];
outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
vel = 0;
prev_pos = [0, 0];
static getDimension = function(arr) {
var _surf = getSingleValue(0, arr);
var _out_type = getSingleValue(9, arr);
var _out = getSingleValue(1, arr);
var ww, hh;
switch(_out_type) {
case OUTPUT_SCALING.same_as_input :
ww = surface_get_width(_surf);
hh = surface_get_height(_surf);
break;
case OUTPUT_SCALING.relative :
ww = surface_get_width(_surf) * _out[0];
hh = surface_get_height(_surf) * _out[1];
break;
case OUTPUT_SCALING.constant :
ww = _out[0];
hh = _out[1];
break;
}
return [ww, hh];
}
static onValueUpdate = function(index, prev) {
var curr = inputs[| 0].getValue();
}
static centerAnchor = function() {
var _surf = inputs[| 0].getValue();
var _out_type = inputs[| 9].getValue();
var _out = inputs[| 1].getValue();
var _sca = inputs[| 6].getValue();
if(is_array(_surf)) {
if(array_length(_surf) == 0) return;
_surf = _surf[preview_index];
}
var ww, hh;
switch(_out_type) {
case OUTPUT_SCALING.same_as_input :
case OUTPUT_SCALING.relative :
ww = surface_get_width(_surf) * _sca[0];
hh = surface_get_height(_surf) * _sca[1];
break;
case OUTPUT_SCALING.constant :
ww = _out[0] * _sca[0];
hh = _out[1] * _sca[1];
break;
}
inputs[| 3].setValue([ 0.5, 0.5]);
inputs[| 2].setValue([ surface_get_width(_surf) / 2, surface_get_height(_surf) / 2 ]);
}
static step = function() {
var pos = inputs[| 2].getValue();
if(!ANIMATOR.frame_progress) return;
if(ANIMATOR.current_frame == 0) {
vel = 0;
prev_pos[0] = pos[0];
prev_pos[1] = pos[1];
} else {
vel = point_direction(prev_pos[0], prev_pos[1], pos[0], pos[1]);
prev_pos[0] = pos[0];
prev_pos[1] = pos[1];
}
}
static process_data = function(_outSurf, _data, _output_index, _array_index) {
var ins = _data[0];
var out_type = _data[9];
var out = _data[1];
var pos = _data[2];
var pos_exact = _data[10];
var anc = _data[3];
var rot_vel = vel * _data[8];
var rot = _data[5] + rot_vel;
var sca = _data[6];
var wrp = _data[7];
var ww = surface_get_width(ins);
var hh = surface_get_height(ins);
var _ww = ww, _hh = hh;
if(_ww <= 1 && _hh <= 1) return _outSurf;
switch(out_type) {
case OUTPUT_SCALING.same_as_input :
inputs[| 1].setVisible(false);
break;
case OUTPUT_SCALING.constant :
inputs[| 1].setVisible(true);
_ww = out[0];
_hh = out[1];
break;
case OUTPUT_SCALING.relative :
inputs[| 1].setVisible(true);
_ww = ww * out[0];
_hh = hh * out[1];
break;
}
if(_ww <= 0 || _hh <= 0) return;
_outSurf = surface_verify(_outSurf, _ww, _hh);
anc[0] *= ww * sca[0];
anc[1] *= hh * sca[1];
pos[0] -= anc[0];
pos[1] -= anc[1];
pos = point_rotate(pos[0], pos[1], pos[0] + anc[0], pos[1] + anc[1], rot);
if(wrp) {
var _w = _ww * sqrt(2);
var _h = _hh * sqrt(2);
var _px = (_w - _ww) / 2;
var _py = (_h - _hh) / 2;
var _s = surface_create_valid(_w, _h);
surface_set_target(_s);
draw_clear_alpha(0, 0);
BLEND_OVERRIDE;
if(is_surface(ins)) {
var draw_x, draw_y;
draw_x = _px + pos[0];
draw_y = _py + pos[1];
if(pos_exact) {
draw_x = round(draw_x);
draw_y = round(draw_y);
}
draw_surface_tiled_ext_safe(ins, draw_x, draw_y, sca[0], sca[1], c_white, 1);
}
BLEND_NORMAL;
surface_reset_target();
var _cc = point_rotate(-_px, -_py, _ww / 2, _hh / 2, rot);
surface_set_target(_outSurf);
draw_clear_alpha(0, 0);
BLEND_OVERRIDE;
draw_surface_ext_safe(_s, _cc[0], _cc[1], 1, 1, rot, c_white, 1);
BLEND_NORMAL;
surface_reset_target();
surface_free(_s);
} else {
surface_set_target(_outSurf);
draw_clear_alpha(0, 0);
BLEND_OVERRIDE;
var draw_x, draw_y;
draw_x = pos[0];
draw_y = pos[1];
if(pos_exact) {
draw_x = round(draw_x);
draw_y = round(draw_y);
}
draw_surface_ext_safe(ins, draw_x, draw_y, sca[0], sca[1], rot, c_white, 1);
BLEND_NORMAL;
surface_reset_target();
}
return _outSurf;
}
overlay_dragging = 0;
corner_dragging = 0;
overlay_drag_mx = 0;
overlay_drag_my = 0;
overlay_drag_sx = 0;
overlay_drag_sy = 0;
overlay_drag_px = 0;
overlay_drag_py = 0;
overlay_drag_ma = 0;
overlay_drag_sa = 0;
static drawOverlay = function(active, _x, _y, _s, _mx, _my, _snx, _sny) {
if(array_length(current_data) < ds_list_size(inputs)) return;
var _surf = inputs[| 0].getValue();
if(is_array(_surf)) {
if(array_length(_surf) == 0) return;
_surf = _surf[preview_index];
}
var _surf_out = outputs[| 0].getValue();
if(is_array(_surf_out)) {
if(array_length(_surf_out) == 0) return;
_surf_out = _surf_out[preview_index];
}
var pos = current_data[2];
var _pos = [ pos[0], pos[1] ];
var anc = current_data[3];
var _anc = [ anc[0], anc[1] ];
var rot = current_data[5];
var sca = current_data[6];
var srw = surface_get_width(_surf);
var srh = surface_get_height(_surf);
var ow = surface_get_width(_surf_out);
var oh = surface_get_height(_surf_out);
var ww = srw * sca[0];
var hh = srh * sca[1];
anc[0] *= ww;
anc[1] *= hh;
pos[0] -= anc[0];
pos[1] -= anc[1];
#region bounding box
var bx0 = _x + pos[0] * _s;
var bx1 = _x + (ww + pos[0]) * _s;
var by0 = _y + pos[1] * _s;
var by1 = _y + (hh + pos[1]) * _s;
var bax = _x + (pos[0] + anc[0]) * _s;
var bay = _y + (pos[1] + anc[1]) * _s;
var tl = point_rotate(bx0, by0, bax, bay, rot);
var tr = point_rotate(bx1, by0, bax, bay, rot);
var bl = point_rotate(bx0, by1, bax, bay, rot);
var br = point_rotate(bx1, by1, bax, bay, rot);
var rth = point_rotate((bx0 + bx1) / 2, by0 - 16, bax, bay, rot);
draw_set_color(COLORS._main_accent);
draw_sprite_ui_uniform(THEME.anchor, 0, bax, bay);
var r_index = 0;
draw_sprite_ui_uniform(THEME.anchor_selector, 0, tl[0], tl[1]);
draw_sprite_ui_uniform(THEME.anchor_selector, 0, tr[0], tr[1]);
draw_sprite_ui_uniform(THEME.anchor_selector, 0, bl[0], bl[1]);
draw_sprite_ui_uniform(THEME.anchor_selector, 0, br[0], br[1]);
if(point_in_circle(_mx, _my, bax, bay, 8)) draw_sprite_ui_uniform(THEME.anchor, 0, bax, bay, 1.25);
else if(point_in_circle(_mx, _my, rth[0], rth[1], 8)) r_index = 1;
else if(point_in_circle(_mx, _my, tl[0], tl[1], 8)) draw_sprite_ui_uniform(THEME.anchor_selector, 1, tl[0], tl[1]);
else if(point_in_circle(_mx, _my, tr[0], tr[1], 8)) draw_sprite_ui_uniform(THEME.anchor_selector, 1, tr[0], tr[1]);
else if(point_in_circle(_mx, _my, bl[0], bl[1], 8)) draw_sprite_ui_uniform(THEME.anchor_selector, 1, bl[0], bl[1]);
else if(point_in_circle(_mx, _my, br[0], br[1], 8)) draw_sprite_ui_uniform(THEME.anchor_selector, 1, br[0], br[1]);
draw_sprite_ui(THEME.anchor_rotate, r_index, rth[0], rth[1], 1, 1, rot);
draw_line(tl[0], tl[1], tr[0], tr[1]);
draw_line(tl[0], tl[1], bl[0], bl[1]);
draw_line(tr[0], tr[1], br[0], br[1]);
draw_line(bl[0], bl[1], br[0], br[1]);
#endregion
if(overlay_dragging && overlay_dragging < 3) { //Transform
var px = _mx - overlay_drag_mx;
var py = _my - overlay_drag_my;
var pos_x, pos_y;
if(key_mod_press(SHIFT)) {
var ang = round(point_direction(overlay_drag_mx, overlay_drag_my, _mx, _my) / 45) * 45;
var dist = point_distance(overlay_drag_mx, overlay_drag_my, _mx, _my) / _s;
pos_x = overlay_drag_sx + lengthdir_x(dist, ang);
pos_y = overlay_drag_sy + lengthdir_y(dist, ang);
} else {
pos_x = overlay_drag_sx + px / _s;
pos_y = overlay_drag_sy + py / _s;
}
pos_x = value_snap(pos_x, _snx);
pos_y = value_snap(pos_y, _sny);
if(overlay_dragging == 1) { //Move
if(inputs[| 2].setValue([ pos_x, pos_y ]))
UNDO_HOLDING = true;
} else if(overlay_dragging == 2) { //Move anchor
var nanx = pos_x / ww;
var nany = pos_y / hh;
if(key_mod_press(ALT)) {
var modi = false;
modi |= inputs[| 3].setValue([ nanx, nany ]);
modi |= inputs[| 2].setValue([ overlay_drag_px + pos_x, overlay_drag_py + pos_y ]);
if(modi)
UNDO_HOLDING = true;
} else {
if(inputs[| 3].setValue([ nanx, nany ]))
UNDO_HOLDING = true;
}
}
if(mouse_release(mb_left)) {
overlay_dragging = 0;
UNDO_HOLDING = false;
}
} else if(overlay_dragging == 3) { //Angle
var aa = point_direction(bax, bay, _mx, _my);
var da = angle_difference(overlay_drag_ma, aa);
var sa;
if(key_mod_press(CTRL))
sa = round((overlay_drag_sa - da) / 15) * 15;
else
sa = overlay_drag_sa - da;
if(inputs[| 5].setValue(sa))
UNDO_HOLDING = true;
if(mouse_release(mb_left)) {
overlay_dragging = 0;
UNDO_HOLDING = false;
}
} else if(overlay_dragging == 4) { //Scale
var _p = point_rotate(_mx - overlay_drag_mx, _my - overlay_drag_my, 0, 0, -rot);
var _sw = _p[0] / _s / srw;
var _sh = _p[1] / _s / srh;
var sw, sh;
if(corner_dragging == 0) {
sw = -_sw / _anc[0];
sh = -_sh / _anc[1];
} else if(corner_dragging == 1) {
sw = _sw / (1 - _anc[0]);
sh = -_sh / _anc[1];
} else if(corner_dragging == 2) {
sw = -_sw / _anc[0];
sh = _sh / (1 - _anc[1]);
} else if(corner_dragging == 3) {
sw = _sw / (1 - _anc[0]);
sh = _sh / (1 - _anc[1]);
}
var _sw = overlay_drag_sx + sw;
var _sh = overlay_drag_sy + sh;
if(key_mod_press(SHIFT)) {
_sw = max(_sw, _sh);
_sh = _sw;
}
if(inputs[| 6].setValue([ _sw, _sh ]))
UNDO_HOLDING = true;
if(mouse_release(mb_left)) {
overlay_dragging = 0;
UNDO_HOLDING = false;
}
}
if(overlay_dragging == 0 && mouse_press(mb_left, active)) {
if(point_in_circle(_mx, _my, bax, bay, 8)) {
overlay_dragging = 2;
overlay_drag_mx = _mx;
overlay_drag_my = _my;
overlay_drag_sx = anc[0];
overlay_drag_sy = anc[1];
overlay_drag_px = pos[0];
overlay_drag_py = pos[1];
} else if(point_in_circle(_mx, _my, tl[0], tl[1], 8) || point_in_circle(_mx, _my, tr[0], tr[1], 8) || point_in_circle(_mx, _my, bl[0], bl[1], 8) || point_in_circle(_mx, _my, br[0], br[1], 8)) {
overlay_dragging = 4;
if(point_in_circle(_mx, _my, tl[0], tl[1], 8)) corner_dragging = 0;
else if(point_in_circle(_mx, _my, tr[0], tr[1], 8)) corner_dragging = 1;
else if(point_in_circle(_mx, _my, bl[0], bl[1], 8)) corner_dragging = 2;
else if(point_in_circle(_mx, _my, br[0], br[1], 8)) corner_dragging = 3;
overlay_drag_mx = _mx;
overlay_drag_my = _my;
overlay_drag_sx = sca[0];
overlay_drag_sy = sca[1];
} else if(point_in_circle(_mx, _my, rth[0], rth[1], 8)) {
overlay_dragging = 3;
overlay_drag_ma = point_direction(bax, bay, _mx, _my);
overlay_drag_sa = rot;
} else if(point_in_triangle(_mx, _my, tl[0], tl[1], tr[0], tr[1], bl[0], bl[1]) || point_in_triangle(_mx, _my, tr[0], tr[1], bl[0], bl[1], br[0], br[1])) {
overlay_dragging = 1;
overlay_drag_mx = _mx;
overlay_drag_my = _my;
overlay_drag_sx = _pos[0];
overlay_drag_sy = _pos[1];
}
}
#region path
if(inputs[| 2].animator.is_anim && inputs[| 2].value_from == noone) {
var posInp = inputs[| 2];
var allPos = posInp.animator.values;
var ox, oy, nx, ny;
draw_set_color(COLORS._main_accent);
for( var i = 0; i < ds_list_size(allPos); i++ ) {
var _pos = allPos[| i].value;
if(posInp.unit.mode == VALUE_UNIT.reference) {
_pos[0] *= ow;
_pos[1] *= oh;
}
nx = _x + _pos[0] * _s;
ny = _y + _pos[1] * _s;
draw_set_alpha(1);
draw_circle(nx, ny, 4, false);
if(i) {
draw_set_alpha(0.5);
draw_line_dashed(ox, oy, nx, ny);
}
ox = nx;
oy = ny;
}
draw_set_alpha(1);
}
#endregion
}
}