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godot/editor/plugins/polygon_2d_editor_plugin.cpp

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/*************************************************************************/
/* polygon_2d_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "polygon_2d_editor_plugin.h"
#include "canvas_item_editor_plugin.h"
#include "editor/editor_settings.h"
#include "os/file_access.h"
#include "os/input.h"
#include "os/keyboard.h"
void Polygon2DEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_READY: {
button_create->set_icon(get_icon("Edit", "EditorIcons"));
button_edit->set_icon(get_icon("MovePoint", "EditorIcons"));
button_edit->set_pressed(true);
button_uv->set_icon(get_icon("Uv", "EditorIcons"));
uv_button[UV_MODE_EDIT_POINT]->set_icon(get_icon("ToolSelect", "EditorIcons"));
uv_button[UV_MODE_MOVE]->set_icon(get_icon("ToolMove", "EditorIcons"));
uv_button[UV_MODE_ROTATE]->set_icon(get_icon("ToolRotate", "EditorIcons"));
uv_button[UV_MODE_SCALE]->set_icon(get_icon("ToolScale", "EditorIcons"));
b_snap_grid->set_icon(get_icon("Grid", "EditorIcons"));
b_snap_enable->set_icon(get_icon("Snap", "EditorIcons"));
uv_icon_zoom->set_texture(get_icon("Zoom", "EditorIcons"));
get_tree()->connect("node_removed", this, "_node_removed");
} break;
case NOTIFICATION_FIXED_PROCESS: {
} break;
}
}
void Polygon2DEditor::_node_removed(Node *p_node) {
if (p_node == node) {
edit(NULL);
hide();
canvas_item_editor->get_viewport_control()->update();
}
}
void Polygon2DEditor::_menu_option(int p_option) {
switch (p_option) {
case MODE_CREATE: {
mode = MODE_CREATE;
button_create->set_pressed(true);
button_edit->set_pressed(false);
} break;
case MODE_EDIT: {
mode = MODE_EDIT;
button_create->set_pressed(false);
button_edit->set_pressed(true);
} break;
case MODE_EDIT_UV: {
if (node->get_texture().is_null()) {
error->set_text("No texture in this polygon.\nSet a texture to be able to edit UV.");
error->popup_centered_minsize();
return;
}
DVector<Vector2> points = node->get_polygon();
DVector<Vector2> uvs = node->get_uv();
if (uvs.size() != points.size()) {
undo_redo->create_action(TTR("Create UV Map"));
undo_redo->add_do_method(node, "set_uv", points);
undo_redo->add_undo_method(node, "set_uv", uvs);
undo_redo->add_do_method(uv_edit_draw, "update");
undo_redo->add_undo_method(uv_edit_draw, "update");
undo_redo->commit_action();
}
uv_edit->popup_centered_ratio(0.85);
} break;
case UVEDIT_POLYGON_TO_UV: {
DVector<Vector2> points = node->get_polygon();
if (points.size() == 0)
break;
DVector<Vector2> uvs = node->get_uv();
undo_redo->create_action(TTR("Create UV Map"));
undo_redo->add_do_method(node, "set_uv", points);
undo_redo->add_undo_method(node, "set_uv", uvs);
undo_redo->add_do_method(uv_edit_draw, "update");
undo_redo->add_undo_method(uv_edit_draw, "update");
undo_redo->commit_action();
} break;
case UVEDIT_UV_TO_POLYGON: {
DVector<Vector2> points = node->get_polygon();
DVector<Vector2> uvs = node->get_uv();
if (uvs.size() == 0)
break;
undo_redo->create_action(TTR("Create UV Map"));
undo_redo->add_do_method(node, "set_polygon", uvs);
undo_redo->add_undo_method(node, "set_polygon", points);
undo_redo->add_do_method(uv_edit_draw, "update");
undo_redo->add_undo_method(uv_edit_draw, "update");
undo_redo->commit_action();
} break;
case UVEDIT_UV_CLEAR: {
DVector<Vector2> uvs = node->get_uv();
if (uvs.size() == 0)
break;
undo_redo->create_action(TTR("Create UV Map"));
undo_redo->add_do_method(node, "set_uv", DVector<Vector2>());
undo_redo->add_undo_method(node, "set_uv", uvs);
undo_redo->add_do_method(uv_edit_draw, "update");
undo_redo->add_undo_method(uv_edit_draw, "update");
undo_redo->commit_action();
} break;
}
}
void Polygon2DEditor::_set_use_snap(bool p_use) {
use_snap = p_use;
}
void Polygon2DEditor::_set_show_grid(bool p_show) {
snap_show_grid = p_show;
uv_edit_draw->update();
}
void Polygon2DEditor::_set_snap_off_x(float p_val) {
snap_offset.x = p_val;
uv_edit_draw->update();
}
void Polygon2DEditor::_set_snap_off_y(float p_val) {
snap_offset.y = p_val;
uv_edit_draw->update();
}
void Polygon2DEditor::_set_snap_step_x(float p_val) {
snap_step.x = p_val;
uv_edit_draw->update();
}
void Polygon2DEditor::_set_snap_step_y(float p_val) {
snap_step.y = p_val;
uv_edit_draw->update();
}
void Polygon2DEditor::_wip_close() {
undo_redo->create_action(TTR("Create Poly"));
undo_redo->add_undo_method(node, "set_polygon", node->get_polygon());
undo_redo->add_do_method(node, "set_polygon", wip);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->commit_action();
wip.clear();
wip_active = false;
mode = MODE_EDIT;
button_edit->set_pressed(true);
button_create->set_pressed(false);
edited_point = -1;
}
bool Polygon2DEditor::forward_input_event(const InputEvent &p_event) {
if (node == NULL)
return false;
switch (p_event.type) {
case InputEvent::MOUSE_BUTTON: {
const InputEventMouseButton &mb = p_event.mouse_button;
Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Vector2 gpoint = Point2(mb.x, mb.y);
Vector2 cpoint = canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint);
cpoint = canvas_item_editor->snap_point(cpoint);
cpoint = node->get_global_transform().affine_inverse().xform(cpoint);
Vector<Vector2> poly = Variant(node->get_polygon());
//first check if a point is to be added (segment split)
real_t grab_treshold = EDITOR_DEF("poly_editor/point_grab_radius", 8);
switch (mode) {
case MODE_CREATE: {
if (mb.button_index == BUTTON_LEFT && mb.pressed) {
if (!wip_active) {
wip.clear();
wip.push_back(cpoint - node->get_offset());
wip_active = true;
edited_point_pos = cpoint;
canvas_item_editor->get_viewport_control()->update();
edited_point = 1;
return true;
} else {
if (wip.size() > 1 && xform.xform(wip[0] + node->get_offset()).distance_to(gpoint) < grab_treshold) {
//wip closed
_wip_close();
return true;
} else {
wip.push_back(cpoint - node->get_offset());
edited_point = wip.size();
canvas_item_editor->get_viewport_control()->update();
return true;
//add wip point
}
}
} else if (mb.button_index == BUTTON_RIGHT && mb.pressed && wip_active) {
_wip_close();
}
} break;
case MODE_EDIT: {
if (mb.button_index == BUTTON_LEFT) {
if (mb.pressed) {
if (mb.mod.control) {
if (poly.size() < 3) {
undo_redo->create_action(TTR("Edit Poly"));
undo_redo->add_undo_method(node, "set_polygon", poly);
poly.push_back(cpoint);
undo_redo->add_do_method(node, "set_polygon", poly);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->commit_action();
return true;
}
//search edges
int closest_idx = -1;
Vector2 closest_pos;
real_t closest_dist = 1e10;
for (int i = 0; i < poly.size(); i++) {
Vector2 points[2] = { xform.xform(poly[i] + node->get_offset()),
xform.xform(poly[(i + 1) % poly.size()] + node->get_offset()) };
Vector2 cp = Geometry::get_closest_point_to_segment_2d(gpoint, points);
if (cp.distance_squared_to(points[0]) < CMP_EPSILON2 || cp.distance_squared_to(points[1]) < CMP_EPSILON2)
continue; //not valid to reuse point
real_t d = cp.distance_to(gpoint);
if (d < closest_dist && d < grab_treshold) {
closest_dist = d;
closest_pos = cp;
closest_idx = i;
}
}
if (closest_idx >= 0) {
pre_move_edit = poly;
poly.insert(closest_idx + 1, xform.affine_inverse().xform(closest_pos) - node->get_offset());
edited_point = closest_idx + 1;
edited_point_pos = xform.affine_inverse().xform(closest_pos);
node->set_polygon(Variant(poly));
canvas_item_editor->get_viewport_control()->update();
return true;
}
} else {
//look for points to move
int closest_idx = -1;
Vector2 closest_pos;
real_t closest_dist = 1e10;
for (int i = 0; i < poly.size(); i++) {
Vector2 cp = xform.xform(poly[i] + node->get_offset());
real_t d = cp.distance_to(gpoint);
if (d < closest_dist && d < grab_treshold) {
closest_dist = d;
closest_pos = cp;
closest_idx = i;
}
}
if (closest_idx >= 0) {
pre_move_edit = poly;
edited_point = closest_idx;
edited_point_pos = xform.affine_inverse().xform(closest_pos);
canvas_item_editor->get_viewport_control()->update();
return true;
}
}
} else {
if (edited_point != -1) {
//apply
ERR_FAIL_INDEX_V(edited_point, poly.size(), false);
poly[edited_point] = edited_point_pos - node->get_offset();
undo_redo->create_action(TTR("Edit Poly"));
undo_redo->add_do_method(node, "set_polygon", poly);
undo_redo->add_undo_method(node, "set_polygon", pre_move_edit);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->commit_action();
edited_point = -1;
return true;
}
}
}
if (mb.button_index == BUTTON_RIGHT && mb.pressed && edited_point == -1) {
int closest_idx = -1;
Vector2 closest_pos;
real_t closest_dist = 1e10;
for (int i = 0; i < poly.size(); i++) {
Vector2 cp = xform.xform(poly[i] + node->get_offset());
real_t d = cp.distance_to(gpoint);
if (d < closest_dist && d < grab_treshold) {
closest_dist = d;
closest_pos = cp;
closest_idx = i;
}
}
if (closest_idx >= 0) {
undo_redo->create_action(TTR("Edit Poly (Remove Point)"));
undo_redo->add_undo_method(node, "set_polygon", poly);
poly.remove(closest_idx);
undo_redo->add_do_method(node, "set_polygon", poly);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->commit_action();
return true;
}
}
} break;
}
} break;
case InputEvent::MOUSE_MOTION: {
const InputEventMouseMotion &mm = p_event.mouse_motion;
if (edited_point != -1 && (wip_active || mm.button_mask & BUTTON_MASK_LEFT)) {
Vector2 gpoint = Point2(mm.x, mm.y);
Vector2 cpoint = canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint);
cpoint = canvas_item_editor->snap_point(cpoint);
edited_point_pos = node->get_global_transform().affine_inverse().xform(cpoint);
canvas_item_editor->get_viewport_control()->update();
}
} break;
}
return false;
}
void Polygon2DEditor::_canvas_draw() {
if (!node)
return;
Control *vpc = canvas_item_editor->get_viewport_control();
Vector<Vector2> poly;
if (wip_active)
poly = wip;
else
poly = Variant(node->get_polygon());
Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Ref<Texture> handle = get_icon("EditorHandle", "EditorIcons");
for (int i = 0; i < poly.size(); i++) {
Vector2 p, p2;
p = i == edited_point ? edited_point_pos : (poly[i] + node->get_offset());
if ((wip_active && i == poly.size() - 1) || (((i + 1) % poly.size()) == edited_point))
p2 = edited_point_pos;
else
p2 = poly[(i + 1) % poly.size()] + node->get_offset();
Vector2 point = xform.xform(p);
Vector2 next_point = xform.xform(p2);
Color col = Color(1, 0.3, 0.1, 0.8);
vpc->draw_line(point, next_point, col, 2);
vpc->draw_texture(handle, point - handle->get_size() * 0.5);
}
}
void Polygon2DEditor::_uv_mode(int p_mode) {
uv_mode = UVMode(p_mode);
for (int i = 0; i < UV_MODE_MAX; i++) {
uv_button[i]->set_pressed(p_mode == i);
}
}
void Polygon2DEditor::_uv_input(const InputEvent &p_input) {
Matrix32 mtx;
mtx.elements[2] = -uv_draw_ofs;
mtx.scale_basis(Vector2(uv_draw_zoom, uv_draw_zoom));
if (p_input.type == InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &mb = p_input.mouse_button;
if (mb.button_index == BUTTON_LEFT) {
if (mb.pressed) {
uv_drag_from = Vector2(mb.x, mb.y);
uv_drag = true;
uv_prev = node->get_uv();
uv_move_current = uv_mode;
if (uv_move_current == UV_MODE_EDIT_POINT) {
if (mb.mod.shift && mb.mod.command)
uv_move_current = UV_MODE_SCALE;
else if (mb.mod.shift)
uv_move_current = UV_MODE_MOVE;
else if (mb.mod.command)
uv_move_current = UV_MODE_ROTATE;
}
if (uv_move_current == UV_MODE_EDIT_POINT) {
uv_drag_index = -1;
for (int i = 0; i < uv_prev.size(); i++) {
Vector2 tuv = mtx.xform(uv_prev[i]);
if (tuv.distance_to(Vector2(mb.x, mb.y)) < 8) {
uv_drag_from = tuv;
uv_drag_index = i;
}
}
if (uv_drag_index == -1) {
uv_drag = false;
}
}
} else if (uv_drag) {
undo_redo->create_action(TTR("Transform UV Map"));
undo_redo->add_do_method(node, "set_uv", node->get_uv());
undo_redo->add_undo_method(node, "set_uv", uv_prev);
undo_redo->add_do_method(uv_edit_draw, "update");
undo_redo->add_undo_method(uv_edit_draw, "update");
undo_redo->commit_action();
uv_drag = false;
}
} else if (mb.button_index == BUTTON_RIGHT && mb.pressed) {
if (uv_drag) {
uv_drag = false;
node->set_uv(uv_prev);
uv_edit_draw->update();
}
} else if (mb.button_index == BUTTON_WHEEL_UP && mb.pressed) {
uv_zoom->set_val(uv_zoom->get_val() / (1 - (0.1 * mb.factor)));
} else if (mb.button_index == BUTTON_WHEEL_DOWN && mb.pressed) {
uv_zoom->set_val(uv_zoom->get_val() * (1 - (0.1 * mb.factor)));
}
} else if (p_input.type == InputEvent::MOUSE_MOTION) {
const InputEventMouseMotion &mm = p_input.mouse_motion;
if (mm.button_mask & BUTTON_MASK_MIDDLE || Input::get_singleton()->is_key_pressed(KEY_SPACE)) {
Vector2 drag(mm.relative_x, mm.relative_y);
uv_hscroll->set_val(uv_hscroll->get_val() - drag.x);
uv_vscroll->set_val(uv_vscroll->get_val() - drag.y);
} else if (uv_drag) {
Vector2 uv_drag_to = snap_point(Vector2(mm.x, mm.y));
Vector2 drag = mtx.affine_inverse().xform(uv_drag_to) - mtx.affine_inverse().xform(uv_drag_from);
switch (uv_move_current) {
case UV_MODE_EDIT_POINT: {
DVector<Vector2> uv_new = uv_prev;
uv_new.set(uv_drag_index, uv_new[uv_drag_index] + drag);
node->set_uv(uv_new);
} break;
case UV_MODE_MOVE: {
DVector<Vector2> uv_new = uv_prev;
for (int i = 0; i < uv_new.size(); i++)
uv_new.set(i, uv_new[i] + drag);
node->set_uv(uv_new);
} break;
case UV_MODE_ROTATE: {
Vector2 center;
DVector<Vector2> uv_new = uv_prev;
for (int i = 0; i < uv_new.size(); i++)
center += uv_prev[i];
center /= uv_new.size();
float angle = (uv_drag_from - mtx.xform(center)).normalized().angle_to((uv_drag_to - mtx.xform(center)).normalized());
for (int i = 0; i < uv_new.size(); i++) {
Vector2 rel = uv_prev[i] - center;
rel = rel.rotated(angle);
uv_new.set(i, center + rel);
}
node->set_uv(uv_new);
} break;
case UV_MODE_SCALE: {
Vector2 center;
DVector<Vector2> uv_new = uv_prev;
for (int i = 0; i < uv_new.size(); i++)
center += uv_prev[i];
center /= uv_new.size();
float from_dist = uv_drag_from.distance_to(mtx.xform(center));
float to_dist = uv_drag_to.distance_to(mtx.xform(center));
if (from_dist < 2)
break;
float scale = to_dist / from_dist;
for (int i = 0; i < uv_new.size(); i++) {
Vector2 rel = uv_prev[i] - center;
rel = rel * scale;
uv_new.set(i, center + rel);
}
node->set_uv(uv_new);
} break;
}
uv_edit_draw->update();
}
}
}
void Polygon2DEditor::_uv_scroll_changed(float) {
if (updating_uv_scroll)
return;
uv_draw_ofs.x = uv_hscroll->get_val();
uv_draw_ofs.y = uv_vscroll->get_val();
uv_draw_zoom = uv_zoom->get_val();
uv_edit_draw->update();
}
void Polygon2DEditor::_uv_draw() {
Ref<Texture> base_tex = node->get_texture();
if (base_tex.is_null())
return;
Matrix32 mtx;
mtx.elements[2] = -uv_draw_ofs;
mtx.scale_basis(Vector2(uv_draw_zoom, uv_draw_zoom));
VS::get_singleton()->canvas_item_set_clip(uv_edit_draw->get_canvas_item(), true);
VS::get_singleton()->canvas_item_add_set_transform(uv_edit_draw->get_canvas_item(), mtx);
uv_edit_draw->draw_texture(base_tex, Point2());
VS::get_singleton()->canvas_item_add_set_transform(uv_edit_draw->get_canvas_item(), Matrix32());
if (snap_show_grid) {
Size2 s = uv_edit_draw->get_size();
int last_cell;
if (snap_step.x != 0) {
for (int i = 0; i < s.width; i++) {
int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(i, 0)).x - snap_offset.x) / snap_step.x));
if (i == 0)
last_cell = cell;
if (last_cell != cell)
uv_edit_draw->draw_line(Point2(i, 0), Point2(i, s.height), Color(0.3, 0.7, 1, 0.3));
last_cell = cell;
}
}
if (snap_step.y != 0) {
for (int i = 0; i < s.height; i++) {
int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(0, i)).y - snap_offset.y) / snap_step.y));
if (i == 0)
last_cell = cell;
if (last_cell != cell)
uv_edit_draw->draw_line(Point2(0, i), Point2(s.width, i), Color(0.3, 0.7, 1, 0.3));
last_cell = cell;
}
}
}
DVector<Vector2> uvs = node->get_uv();
Ref<Texture> handle = get_icon("EditorHandle", "EditorIcons");
Rect2 rect(Point2(), mtx.basis_xform(base_tex->get_size()));
rect.expand_to(mtx.basis_xform(uv_edit_draw->get_size()));
for (int i = 0; i < uvs.size(); i++) {
int next = (i + 1) % uvs.size();
uv_edit_draw->draw_line(mtx.xform(uvs[i]), mtx.xform(uvs[next]), Color(0.9, 0.5, 0.5), 2);
uv_edit_draw->draw_texture(handle, mtx.xform(uvs[i]) - handle->get_size() * 0.5);
rect.expand_to(mtx.basis_xform(uvs[i]));
}
rect = rect.grow(200);
updating_uv_scroll = true;
uv_hscroll->set_min(rect.pos.x);
uv_hscroll->set_max(rect.pos.x + rect.size.x);
uv_hscroll->set_page(uv_edit_draw->get_size().x);
uv_hscroll->set_val(uv_draw_ofs.x);
uv_hscroll->set_step(0.001);
uv_vscroll->set_min(rect.pos.y);
uv_vscroll->set_max(rect.pos.y + rect.size.y);
uv_vscroll->set_page(uv_edit_draw->get_size().y);
uv_vscroll->set_val(uv_draw_ofs.y);
uv_vscroll->set_step(0.001);
updating_uv_scroll = false;
}
void Polygon2DEditor::edit(Node *p_collision_polygon) {
if (!canvas_item_editor) {
canvas_item_editor = CanvasItemEditor::get_singleton();
}
if (p_collision_polygon) {
node = p_collision_polygon->cast_to<Polygon2D>();
if (!canvas_item_editor->get_viewport_control()->is_connected("draw", this, "_canvas_draw"))
canvas_item_editor->get_viewport_control()->connect("draw", this, "_canvas_draw");
wip.clear();
wip_active = false;
edited_point = -1;
} else {
node = NULL;
if (canvas_item_editor->get_viewport_control()->is_connected("draw", this, "_canvas_draw"))
canvas_item_editor->get_viewport_control()->disconnect("draw", this, "_canvas_draw");
}
}
void Polygon2DEditor::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_menu_option"), &Polygon2DEditor::_menu_option);
ObjectTypeDB::bind_method(_MD("_canvas_draw"), &Polygon2DEditor::_canvas_draw);
ObjectTypeDB::bind_method(_MD("_uv_mode"), &Polygon2DEditor::_uv_mode);
ObjectTypeDB::bind_method(_MD("_uv_draw"), &Polygon2DEditor::_uv_draw);
ObjectTypeDB::bind_method(_MD("_uv_input"), &Polygon2DEditor::_uv_input);
ObjectTypeDB::bind_method(_MD("_uv_scroll_changed"), &Polygon2DEditor::_uv_scroll_changed);
ObjectTypeDB::bind_method(_MD("_node_removed"), &Polygon2DEditor::_node_removed);
ObjectTypeDB::bind_method(_MD("_set_use_snap"), &Polygon2DEditor::_set_use_snap);
ObjectTypeDB::bind_method(_MD("_set_show_grid"), &Polygon2DEditor::_set_show_grid);
ObjectTypeDB::bind_method(_MD("_set_snap_off_x"), &Polygon2DEditor::_set_snap_off_x);
ObjectTypeDB::bind_method(_MD("_set_snap_off_y"), &Polygon2DEditor::_set_snap_off_y);
ObjectTypeDB::bind_method(_MD("_set_snap_step_x"), &Polygon2DEditor::_set_snap_step_x);
ObjectTypeDB::bind_method(_MD("_set_snap_step_y"), &Polygon2DEditor::_set_snap_step_y);
}
inline float _snap_scalar(float p_offset, float p_step, float p_target) {
return p_step != 0 ? Math::stepify(p_target - p_offset, p_step) + p_offset : p_target;
}
Vector2 Polygon2DEditor::snap_point(Vector2 p_target) const {
if (use_snap) {
p_target.x = _snap_scalar(snap_offset.x * uv_draw_zoom - uv_draw_ofs.x, snap_step.x * uv_draw_zoom, p_target.x);
p_target.y = _snap_scalar(snap_offset.y * uv_draw_zoom - uv_draw_ofs.y, snap_step.y * uv_draw_zoom, p_target.y);
}
return p_target;
}
Polygon2DEditor::Polygon2DEditor(EditorNode *p_editor) {
node = NULL;
canvas_item_editor = NULL;
editor = p_editor;
undo_redo = editor->get_undo_redo();
snap_step = Vector2(10, 10);
use_snap = false;
snap_show_grid = false;
add_child(memnew(VSeparator));
button_create = memnew(ToolButton);
add_child(button_create);
button_create->connect("pressed", this, "_menu_option", varray(MODE_CREATE));
button_create->set_toggle_mode(true);
button_edit = memnew(ToolButton);
add_child(button_edit);
button_edit->connect("pressed", this, "_menu_option", varray(MODE_EDIT));
button_edit->set_toggle_mode(true);
button_uv = memnew(ToolButton);
add_child(button_uv);
button_uv->connect("pressed", this, "_menu_option", varray(MODE_EDIT_UV));
//add_constant_override("separation",0);
#if 0
options = memnew( MenuButton );
add_child(options);
options->set_area_as_parent_rect();
options->set_text("Polygon");
//options->get_popup()->add_item("Parse BBCode",PARSE_BBCODE);
options->get_popup()->connect("item_pressed", this,"_menu_option");
#endif
mode = MODE_EDIT;
wip_active = false;
uv_mode = UV_MODE_EDIT_POINT;
uv_edit = memnew(AcceptDialog);
add_child(uv_edit);
uv_edit->set_title(TTR("Polygon 2D UV Editor"));
uv_edit->set_self_opacity(0.9);
VBoxContainer *uv_main_vb = memnew(VBoxContainer);
uv_edit->add_child(uv_main_vb);
uv_edit->set_child_rect(uv_main_vb);
HBoxContainer *uv_mode_hb = memnew(HBoxContainer);
uv_main_vb->add_child(uv_mode_hb);
for (int i = 0; i < UV_MODE_MAX; i++) {
uv_button[i] = memnew(ToolButton);
uv_button[i]->set_toggle_mode(true);
uv_mode_hb->add_child(uv_button[i]);
uv_button[i]->connect("pressed", this, "_uv_mode", varray(i));
uv_button[i]->set_focus_mode(FOCUS_NONE);
}
uv_button[0]->set_tooltip(TTR("Move Point") + "\n" + TTR("Ctrl: Rotate") + "\n" + TTR("Shift: Move All") + "\n" + TTR("Shift+Ctrl: Scale"));
uv_button[1]->set_tooltip(TTR("Move Polygon"));
uv_button[2]->set_tooltip(TTR("Rotate Polygon"));
uv_button[3]->set_tooltip(TTR("Scale Polygon"));
uv_button[0]->set_pressed(true);
HBoxContainer *uv_main_hb = memnew(HBoxContainer);
uv_main_vb->add_child(uv_main_hb);
uv_edit_draw = memnew(Control);
uv_main_hb->add_child(uv_edit_draw);
uv_main_hb->set_v_size_flags(SIZE_EXPAND_FILL);
uv_edit_draw->set_h_size_flags(SIZE_EXPAND_FILL);
uv_menu = memnew(MenuButton);
uv_mode_hb->add_child(uv_menu);
uv_menu->set_text(TTR("Edit"));
uv_menu->get_popup()->add_item(TTR("Polygon->UV"), UVEDIT_POLYGON_TO_UV);
uv_menu->get_popup()->add_item(TTR("UV->Polygon"), UVEDIT_UV_TO_POLYGON);
uv_menu->get_popup()->add_separator();
uv_menu->get_popup()->add_item(TTR("Clear UV"), UVEDIT_UV_CLEAR);
uv_menu->get_popup()->connect("item_pressed", this, "_menu_option");
uv_mode_hb->add_child(memnew(VSeparator));
b_snap_enable = memnew(ToolButton);
uv_mode_hb->add_child(b_snap_enable);
b_snap_enable->set_text(TTR("Snap"));
b_snap_enable->set_focus_mode(FOCUS_NONE);
b_snap_enable->set_toggle_mode(true);
b_snap_enable->set_pressed(use_snap);
b_snap_enable->set_tooltip(TTR("Enable Snap"));
b_snap_enable->connect("toggled", this, "_set_use_snap");
b_snap_grid = memnew(ToolButton);
uv_mode_hb->add_child(b_snap_grid);
b_snap_grid->set_text(TTR("Grid"));
b_snap_grid->set_focus_mode(FOCUS_NONE);
b_snap_grid->set_toggle_mode(true);
b_snap_grid->set_pressed(snap_show_grid);
b_snap_grid->set_tooltip(TTR("Show Grid"));
b_snap_grid->connect("toggled", this, "_set_show_grid");
uv_mode_hb->add_child(memnew(VSeparator));
uv_mode_hb->add_child(memnew(Label(TTR("Grid Offset:"))));
SpinBox *sb_off_x = memnew(SpinBox);
sb_off_x->set_min(-256);
sb_off_x->set_max(256);
sb_off_x->set_step(1);
sb_off_x->set_val(snap_offset.x);
sb_off_x->set_suffix("px");
sb_off_x->connect("value_changed", this, "_set_snap_off_x");
uv_mode_hb->add_child(sb_off_x);
SpinBox *sb_off_y = memnew(SpinBox);
sb_off_y->set_min(-256);
sb_off_y->set_max(256);
sb_off_y->set_step(1);
sb_off_y->set_val(snap_offset.y);
sb_off_y->set_suffix("px");
sb_off_y->connect("value_changed", this, "_set_snap_off_y");
uv_mode_hb->add_child(sb_off_y);
uv_mode_hb->add_child(memnew(VSeparator));
uv_mode_hb->add_child(memnew(Label(TTR("Grid Step:"))));
SpinBox *sb_step_x = memnew(SpinBox);
sb_step_x->set_min(-256);
sb_step_x->set_max(256);
sb_step_x->set_step(1);
sb_step_x->set_val(snap_step.x);
sb_step_x->set_suffix("px");
sb_step_x->connect("value_changed", this, "_set_snap_step_x");
uv_mode_hb->add_child(sb_step_x);
SpinBox *sb_step_y = memnew(SpinBox);
sb_step_y->set_min(-256);
sb_step_y->set_max(256);
sb_step_y->set_step(1);
sb_step_y->set_val(snap_step.y);
sb_step_y->set_suffix("px");
sb_step_y->connect("value_changed", this, "_set_snap_step_y");
uv_mode_hb->add_child(sb_step_y);
uv_mode_hb->add_child(memnew(VSeparator));
uv_icon_zoom = memnew(TextureFrame);
uv_mode_hb->add_child(uv_icon_zoom);
uv_zoom = memnew(HSlider);
uv_zoom->set_min(0.01);
uv_zoom->set_max(4);
uv_zoom->set_val(1);
uv_zoom->set_step(0.01);
uv_mode_hb->add_child(uv_zoom);
uv_zoom->set_custom_minimum_size(Size2(200, 0));
uv_zoom_value = memnew(SpinBox);
uv_zoom->share(uv_zoom_value);
uv_zoom_value->set_custom_minimum_size(Size2(50, 0));
uv_mode_hb->add_child(uv_zoom_value);
uv_zoom->connect("value_changed", this, "_uv_scroll_changed");
uv_vscroll = memnew(VScrollBar);
uv_main_hb->add_child(uv_vscroll);
uv_vscroll->connect("value_changed", this, "_uv_scroll_changed");
uv_hscroll = memnew(HScrollBar);
uv_main_vb->add_child(uv_hscroll);
uv_hscroll->connect("value_changed", this, "_uv_scroll_changed");
uv_edit_draw->connect("draw", this, "_uv_draw");
uv_edit_draw->connect("input_event", this, "_uv_input");
uv_draw_zoom = 1.0;
uv_drag_index = -1;
uv_drag = false;
updating_uv_scroll = false;
error = memnew(AcceptDialog);
add_child(error);
}
void Polygon2DEditorPlugin::edit(Object *p_object) {
collision_polygon_editor->edit(p_object->cast_to<Node>());
}
bool Polygon2DEditorPlugin::handles(Object *p_object) const {
return p_object->is_type("Polygon2D");
}
void Polygon2DEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
collision_polygon_editor->show();
} else {
collision_polygon_editor->hide();
collision_polygon_editor->edit(NULL);
}
}
Polygon2DEditorPlugin::Polygon2DEditorPlugin(EditorNode *p_node) {
editor = p_node;
collision_polygon_editor = memnew(Polygon2DEditor(p_node));
CanvasItemEditor::get_singleton()->add_control_to_menu_panel(collision_polygon_editor);
collision_polygon_editor->hide();
}
Polygon2DEditorPlugin::~Polygon2DEditorPlugin() {
}
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