1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
|
/*************************************************************************/
/* line_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 "line_2d_editor_plugin.h"
#include "canvas_item_editor_plugin.h"
#include "editor/editor_settings.h"
#include "os/file_access.h"
#include "os/keyboard.h"
//----------------------------------------------------------------------------
// Line2DEditor
//----------------------------------------------------------------------------
void Line2DEditor::_node_removed(Node *p_node) {
if (p_node == node) {
node = NULL;
hide();
}
}
void Line2DEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_VISIBILITY_CHANGED:
// This widget is not a child but should have the same visibility state
base_hb->set_visible(is_visible());
break;
}
}
Vector2 Line2DEditor::mouse_to_local_pos(Vector2 gpos, bool alt) {
Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
return !alt ? canvas_item_editor->snap_point(xform.affine_inverse().xform(gpos)) : node->get_global_transform().affine_inverse().xform(canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpos)));
}
int Line2DEditor::get_point_index_at(Vector2 gpos) {
ERR_FAIL_COND_V(node == 0, -1);
real_t grab_threshold = EDITOR_DEF("editors/poly_editor/point_grab_radius", 8);
Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
for (int i = 0; i < node->get_point_count(); ++i) {
Point2 p = xform.xform(node->get_point_pos(i));
if (gpos.distance_to(p) < grab_threshold) {
return i;
}
}
return -1;
}
bool Line2DEditor::forward_gui_input(const Ref<InputEvent> &p_event) {
if (!node)
return false;
if (!node->is_visible())
return false;
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid()) {
Vector2 gpoint = mb->get_position();
Vector2 cpoint = mouse_to_local_pos(gpoint, mb->get_alt());
if (mb->is_pressed() && _dragging == false) {
int i = get_point_index_at(gpoint);
if (i != -1) {
if (mb->get_button_index() == BUTTON_LEFT && !mb->get_shift() && mode == MODE_EDIT) {
_dragging = true;
action_point = i;
moving_from = node->get_point_pos(i);
moving_screen_from = gpoint;
} else if ((mb->get_button_index() == BUTTON_RIGHT && mode == MODE_EDIT) || (mb->get_button_index() == BUTTON_LEFT && mode == MODE_DELETE)) {
undo_redo->create_action(TTR("Remove Point from Line2D"));
undo_redo->add_do_method(node, "remove_point", i);
undo_redo->add_undo_method(node, "add_point", node->get_point_pos(i), i);
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;
}
}
if (mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT && ((mb->get_command() && mode == MODE_EDIT) || mode == MODE_CREATE)) {
undo_redo->create_action(TTR("Add Point to Line2D"));
undo_redo->add_do_method(node, "add_point", cpoint);
undo_redo->add_undo_method(node, "remove_point", node->get_point_count());
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();
_dragging = true;
action_point = node->get_point_count() - 1;
moving_from = node->get_point_pos(action_point);
moving_screen_from = gpoint;
canvas_item_editor->get_viewport_control()->update();
return true;
}
if (!mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT && _dragging) {
undo_redo->create_action(TTR("Move Point in Line2D"));
undo_redo->add_do_method(node, "set_point_pos", action_point, cpoint);
undo_redo->add_undo_method(node, "set_point_pos", action_point, moving_from);
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();
_dragging = false;
return true;
}
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
if (_dragging) {
Vector2 cpoint = mouse_to_local_pos(mm->get_position(), mm->get_alt());
node->set_point_pos(action_point, cpoint);
canvas_item_editor->get_viewport_control()->update();
return true;
}
}
return false;
}
void Line2DEditor::_canvas_draw() {
if (!node)
return;
if (!node->is_visible())
return;
Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Ref<Texture> handle = get_icon("EditorHandle", "EditorIcons");
Size2 handle_size = handle->get_size();
int len = node->get_point_count();
Control *vpc = canvas_item_editor->get_viewport_control();
for (int i = 0; i < len; ++i) {
Vector2 point = xform.xform(node->get_point_pos(i));
vpc->draw_texture_rect(handle, Rect2(point - handle_size * 0.5, handle_size), false);
}
}
void Line2DEditor::_node_visibility_changed() {
if (!node)
return;
canvas_item_editor->get_viewport_control()->update();
}
void Line2DEditor::edit(Node *p_line2d) {
if (!canvas_item_editor)
canvas_item_editor = CanvasItemEditor::get_singleton();
if (p_line2d) {
node = Object::cast_to<Line2D>(p_line2d);
if (!canvas_item_editor->get_viewport_control()->is_connected("draw", this, "_canvas_draw"))
canvas_item_editor->get_viewport_control()->connect("draw", this, "_canvas_draw");
if (!node->is_connected("visibility_changed", this, "_node_visibility_changed"))
node->connect("visibility_changed", this, "_node_visibility_changed");
} else {
if (canvas_item_editor->get_viewport_control()->is_connected("draw", this, "_canvas_draw"))
canvas_item_editor->get_viewport_control()->disconnect("draw", this, "_canvas_draw");
// node may have been deleted at this point
if (node && node->is_connected("visibility_changed", this, "_node_visibility_changed"))
node->disconnect("visibility_changed", this, "_node_visibility_changed");
node = NULL;
}
}
void Line2DEditor::_bind_methods() {
ClassDB::bind_method(D_METHOD("_canvas_draw"), &Line2DEditor::_canvas_draw);
ClassDB::bind_method(D_METHOD("_node_visibility_changed"), &Line2DEditor::_node_visibility_changed);
ClassDB::bind_method(D_METHOD("_mode_selected"), &Line2DEditor::_mode_selected);
}
void Line2DEditor::_mode_selected(int p_mode) {
for (unsigned int i = 0; i < _MODE_COUNT; ++i) {
toolbar_buttons[i]->set_pressed(i == p_mode);
}
mode = Mode(p_mode);
}
Line2DEditor::Line2DEditor(EditorNode *p_editor) {
canvas_item_editor = NULL;
editor = p_editor;
undo_redo = editor->get_undo_redo();
_dragging = false;
base_hb = memnew(HBoxContainer);
CanvasItemEditor::get_singleton()->add_control_to_menu_panel(base_hb);
sep = memnew(VSeparator);
base_hb->add_child(sep);
{
ToolButton *b = memnew(ToolButton);
b->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveEdit", "EditorIcons"));
b->set_toggle_mode(true);
b->set_focus_mode(Control::FOCUS_NONE);
b->set_tooltip(
TTR("Select Points") + "\n" + TTR("Shift+Drag: Select Control Points") + "\n" + keycode_get_string(KEY_MASK_CMD) + TTR("Click: Add Point") + "\n" + TTR("Right Click: Delete Point"));
b->connect("pressed", this, "_mode_selected", varray(MODE_EDIT));
toolbar_buttons[MODE_EDIT] = b;
base_hb->add_child(b);
}
{
ToolButton *b = memnew(ToolButton);
b->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveCreate", "EditorIcons"));
b->set_toggle_mode(true);
b->set_focus_mode(Control::FOCUS_NONE);
b->set_tooltip(TTR("Add Point (in empty space)") + "\n" + TTR("Split Segment (in line)"));
b->connect("pressed", this, "_mode_selected", varray(MODE_CREATE));
toolbar_buttons[MODE_CREATE] = b;
base_hb->add_child(b);
}
{
ToolButton *b = memnew(ToolButton);
b->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveDelete", "EditorIcons"));
b->set_toggle_mode(true);
b->set_focus_mode(Control::FOCUS_NONE);
b->set_tooltip(TTR("Delete Point"));
b->connect("pressed", this, "_mode_selected", varray(MODE_DELETE));
toolbar_buttons[MODE_DELETE] = b;
base_hb->add_child(b);
}
base_hb->hide();
hide();
_mode_selected(MODE_CREATE);
}
//----------------------------------------------------------------------------
// Line2DEditorPlugin
//----------------------------------------------------------------------------
void Line2DEditorPlugin::edit(Object *p_object) {
line2d_editor->edit(Object::cast_to<Node>(p_object));
}
bool Line2DEditorPlugin::handles(Object *p_object) const {
return p_object->is_class("Line2D");
}
void Line2DEditorPlugin::make_visible(bool p_visible) {
line2d_editor->set_visible(p_visible);
if (p_visible == false)
line2d_editor->edit(NULL);
}
Line2DEditorPlugin::Line2DEditorPlugin(EditorNode *p_node) {
editor = p_node;
line2d_editor = memnew(Line2DEditor(p_node));
CanvasItemEditor::get_singleton()->add_control_to_menu_panel(line2d_editor);
line2d_editor->hide();
}
|