1 /*************************************************************************/
2 /*  animation_blend_tree_editor_plugin.cpp                               */
3 /*************************************************************************/
4 /*                       This file is part of:                           */
5 /*                           GODOT ENGINE                                */
6 /*                      https://godotengine.org                          */
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8 /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
9 /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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30 
31 #include "animation_blend_tree_editor_plugin.h"
32 
33 #include "core/io/resource_loader.h"
34 #include "core/os/input.h"
35 #include "core/os/keyboard.h"
36 #include "core/project_settings.h"
37 #include "editor/editor_inspector.h"
38 #include "editor/editor_scale.h"
39 #include "scene/animation/animation_player.h"
40 #include "scene/gui/menu_button.h"
41 #include "scene/gui/panel.h"
42 #include "scene/gui/progress_bar.h"
43 #include "scene/main/viewport.h"
44 
add_custom_type(const String & p_name,const Ref<Script> & p_script)45 void AnimationNodeBlendTreeEditor::add_custom_type(const String &p_name, const Ref<Script> &p_script) {
46 
47 	for (int i = 0; i < add_options.size(); i++) {
48 		ERR_FAIL_COND(add_options[i].script == p_script);
49 	}
50 
51 	AddOption ao;
52 	ao.name = p_name;
53 	ao.script = p_script;
54 	add_options.push_back(ao);
55 
56 	_update_options_menu();
57 }
58 
remove_custom_type(const Ref<Script> & p_script)59 void AnimationNodeBlendTreeEditor::remove_custom_type(const Ref<Script> &p_script) {
60 
61 	for (int i = 0; i < add_options.size(); i++) {
62 		if (add_options[i].script == p_script) {
63 			add_options.remove(i);
64 			return;
65 		}
66 	}
67 
68 	_update_options_menu();
69 }
70 
_update_options_menu()71 void AnimationNodeBlendTreeEditor::_update_options_menu() {
72 
73 	add_node->get_popup()->clear();
74 	for (int i = 0; i < add_options.size(); i++) {
75 		add_node->get_popup()->add_item(add_options[i].name, i);
76 	}
77 
78 	Ref<AnimationNode> clipb = EditorSettings::get_singleton()->get_resource_clipboard();
79 	if (clipb.is_valid()) {
80 		add_node->get_popup()->add_separator();
81 		add_node->get_popup()->add_item(TTR("Paste"), MENU_PASTE);
82 	}
83 	add_node->get_popup()->add_separator();
84 	add_node->get_popup()->add_item(TTR("Load..."), MENU_LOAD_FILE);
85 	use_popup_menu_position = false;
86 }
87 
get_minimum_size() const88 Size2 AnimationNodeBlendTreeEditor::get_minimum_size() const {
89 
90 	return Size2(10, 200);
91 }
92 
_property_changed(const StringName & p_property,const Variant & p_value,const String & p_field,bool p_changing)93 void AnimationNodeBlendTreeEditor::_property_changed(const StringName &p_property, const Variant &p_value, const String &p_field, bool p_changing) {
94 
95 	AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_tree();
96 	updating = true;
97 	undo_redo->create_action(TTR("Parameter Changed") + ": " + String(p_property), UndoRedo::MERGE_ENDS);
98 	undo_redo->add_do_property(tree, p_property, p_value);
99 	undo_redo->add_undo_property(tree, p_property, tree->get(p_property));
100 	undo_redo->add_do_method(this, "_update_graph");
101 	undo_redo->add_undo_method(this, "_update_graph");
102 	undo_redo->commit_action();
103 	updating = false;
104 }
105 
_update_graph()106 void AnimationNodeBlendTreeEditor::_update_graph() {
107 
108 	if (updating)
109 		return;
110 
111 	visible_properties.clear();
112 
113 	graph->set_scroll_ofs(blend_tree->get_graph_offset() * EDSCALE);
114 
115 	graph->clear_connections();
116 	//erase all nodes
117 	for (int i = 0; i < graph->get_child_count(); i++) {
118 
119 		if (Object::cast_to<GraphNode>(graph->get_child(i))) {
120 			memdelete(graph->get_child(i));
121 			i--;
122 		}
123 	}
124 
125 	animations.clear();
126 
127 	List<StringName> nodes;
128 	blend_tree->get_node_list(&nodes);
129 
130 	for (List<StringName>::Element *E = nodes.front(); E; E = E->next()) {
131 
132 		GraphNode *node = memnew(GraphNode);
133 		graph->add_child(node);
134 
135 		Ref<AnimationNode> agnode = blend_tree->get_node(E->get());
136 
137 		node->set_offset(blend_tree->get_node_position(E->get()) * EDSCALE);
138 
139 		node->set_title(agnode->get_caption());
140 		node->set_name(E->get());
141 
142 		int base = 0;
143 		if (String(E->get()) != "output") {
144 			LineEdit *name = memnew(LineEdit);
145 			name->set_text(E->get());
146 			name->set_expand_to_text_length(true);
147 			node->add_child(name);
148 			node->set_slot(0, false, 0, Color(), true, 0, get_color("font_color", "Label"));
149 			name->connect("text_entered", this, "_node_renamed", varray(agnode));
150 			name->connect("focus_exited", this, "_node_renamed_focus_out", varray(name, agnode), CONNECT_DEFERRED);
151 			base = 1;
152 			node->set_show_close_button(true);
153 			node->connect("close_request", this, "_delete_request", varray(E->get()), CONNECT_DEFERRED);
154 		}
155 
156 		for (int i = 0; i < agnode->get_input_count(); i++) {
157 			Label *in_name = memnew(Label);
158 			node->add_child(in_name);
159 			in_name->set_text(agnode->get_input_name(i));
160 			node->set_slot(base + i, true, 0, get_color("font_color", "Label"), false, 0, Color());
161 		}
162 
163 		List<PropertyInfo> pinfo;
164 		agnode->get_parameter_list(&pinfo);
165 		for (List<PropertyInfo>::Element *F = pinfo.front(); F; F = F->next()) {
166 
167 			if (!(F->get().usage & PROPERTY_USAGE_EDITOR)) {
168 				continue;
169 			}
170 			String base_path = AnimationTreeEditor::get_singleton()->get_base_path() + String(E->get()) + "/" + F->get().name;
171 			EditorProperty *prop = EditorInspector::instantiate_property_editor(AnimationTreeEditor::get_singleton()->get_tree(), F->get().type, base_path, F->get().hint, F->get().hint_string, F->get().usage);
172 			if (prop) {
173 				prop->set_object_and_property(AnimationTreeEditor::get_singleton()->get_tree(), base_path);
174 				prop->update_property();
175 				prop->set_name_split_ratio(0);
176 				prop->connect("property_changed", this, "_property_changed");
177 				node->add_child(prop);
178 				visible_properties.push_back(prop);
179 			}
180 		}
181 
182 		node->connect("dragged", this, "_node_dragged", varray(E->get()));
183 
184 		if (AnimationTreeEditor::get_singleton()->can_edit(agnode)) {
185 			node->add_child(memnew(HSeparator));
186 			Button *open_in_editor = memnew(Button);
187 			open_in_editor->set_text(TTR("Open Editor"));
188 			open_in_editor->set_icon(get_icon("Edit", "EditorIcons"));
189 			node->add_child(open_in_editor);
190 			open_in_editor->connect("pressed", this, "_open_in_editor", varray(E->get()), CONNECT_DEFERRED);
191 			open_in_editor->set_h_size_flags(SIZE_SHRINK_CENTER);
192 		}
193 
194 		if (agnode->has_filter()) {
195 
196 			node->add_child(memnew(HSeparator));
197 			Button *edit_filters = memnew(Button);
198 			edit_filters->set_text(TTR("Edit Filters"));
199 			edit_filters->set_icon(get_icon("AnimationFilter", "EditorIcons"));
200 			node->add_child(edit_filters);
201 			edit_filters->connect("pressed", this, "_edit_filters", varray(E->get()), CONNECT_DEFERRED);
202 			edit_filters->set_h_size_flags(SIZE_SHRINK_CENTER);
203 		}
204 
205 		Ref<AnimationNodeAnimation> anim = agnode;
206 		if (anim.is_valid()) {
207 
208 			MenuButton *mb = memnew(MenuButton);
209 			mb->set_text(anim->get_animation());
210 			mb->set_icon(get_icon("Animation", "EditorIcons"));
211 			Array options;
212 
213 			node->add_child(memnew(HSeparator));
214 			node->add_child(mb);
215 
216 			ProgressBar *pb = memnew(ProgressBar);
217 
218 			AnimationTree *player = AnimationTreeEditor::get_singleton()->get_tree();
219 			if (player->has_node(player->get_animation_player())) {
220 				AnimationPlayer *ap = Object::cast_to<AnimationPlayer>(player->get_node(player->get_animation_player()));
221 				if (ap) {
222 					List<StringName> anims;
223 					ap->get_animation_list(&anims);
224 
225 					for (List<StringName>::Element *F = anims.front(); F; F = F->next()) {
226 						mb->get_popup()->add_item(F->get());
227 						options.push_back(F->get());
228 					}
229 
230 					if (ap->has_animation(anim->get_animation())) {
231 						pb->set_max(ap->get_animation(anim->get_animation())->get_length());
232 					}
233 				}
234 			}
235 
236 			pb->set_percent_visible(false);
237 			pb->set_custom_minimum_size(Vector2(0, 14) * EDSCALE);
238 			animations[E->get()] = pb;
239 			node->add_child(pb);
240 
241 			mb->get_popup()->connect("index_pressed", this, "_anim_selected", varray(options, E->get()), CONNECT_DEFERRED);
242 		}
243 
244 		if (EditorSettings::get_singleton()->get("interface/theme/use_graph_node_headers")) {
245 			Ref<StyleBoxFlat> sb = node->get_stylebox("frame", "GraphNode");
246 			Color c = sb->get_border_color();
247 			Color mono_color = ((c.r + c.g + c.b) / 3) < 0.7 ? Color(1.0, 1.0, 1.0) : Color(0.0, 0.0, 0.0);
248 			mono_color.a = 0.85;
249 			c = mono_color;
250 
251 			node->add_color_override("title_color", c);
252 			c.a = 0.7;
253 			node->add_color_override("close_color", c);
254 			node->add_color_override("resizer_color", c);
255 		}
256 	}
257 
258 	List<AnimationNodeBlendTree::NodeConnection> connections;
259 	blend_tree->get_node_connections(&connections);
260 
261 	for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = connections.front(); E; E = E->next()) {
262 
263 		StringName from = E->get().output_node;
264 		StringName to = E->get().input_node;
265 		int to_idx = E->get().input_index;
266 
267 		graph->connect_node(from, 0, to, to_idx);
268 	}
269 }
270 
_file_opened(const String & p_file)271 void AnimationNodeBlendTreeEditor::_file_opened(const String &p_file) {
272 
273 	file_loaded = ResourceLoader::load(p_file);
274 	if (file_loaded.is_valid()) {
275 		_add_node(MENU_LOAD_FILE_CONFIRM);
276 	}
277 }
278 
_add_node(int p_idx)279 void AnimationNodeBlendTreeEditor::_add_node(int p_idx) {
280 
281 	Ref<AnimationNode> anode;
282 
283 	String base_name;
284 
285 	if (p_idx == MENU_LOAD_FILE) {
286 
287 		open_file->clear_filters();
288 		List<String> filters;
289 		ResourceLoader::get_recognized_extensions_for_type("AnimationNode", &filters);
290 		for (List<String>::Element *E = filters.front(); E; E = E->next()) {
291 			open_file->add_filter("*." + E->get());
292 		}
293 		open_file->popup_centered_ratio();
294 		return;
295 	} else if (p_idx == MENU_LOAD_FILE_CONFIRM) {
296 		anode = file_loaded;
297 		file_loaded.unref();
298 		base_name = anode->get_class();
299 	} else if (p_idx == MENU_PASTE) {
300 
301 		anode = EditorSettings::get_singleton()->get_resource_clipboard();
302 		ERR_FAIL_COND(!anode.is_valid());
303 		base_name = anode->get_class();
304 	} else if (add_options[p_idx].type != String()) {
305 		AnimationNode *an = Object::cast_to<AnimationNode>(ClassDB::instance(add_options[p_idx].type));
306 		ERR_FAIL_COND(!an);
307 		anode = Ref<AnimationNode>(an);
308 		base_name = add_options[p_idx].name;
309 	} else {
310 		ERR_FAIL_COND(add_options[p_idx].script.is_null());
311 		String base_type = add_options[p_idx].script->get_instance_base_type();
312 		AnimationNode *an = Object::cast_to<AnimationNode>(ClassDB::instance(base_type));
313 		ERR_FAIL_COND(!an);
314 		anode = Ref<AnimationNode>(an);
315 		anode->set_script(add_options[p_idx].script.get_ref_ptr());
316 		base_name = add_options[p_idx].name;
317 	}
318 
319 	Ref<AnimationNodeOutput> out = anode;
320 	if (out.is_valid()) {
321 		EditorNode::get_singleton()->show_warning(TTR("Output node can't be added to the blend tree."));
322 		return;
323 	}
324 
325 	Point2 instance_pos = graph->get_scroll_ofs();
326 	if (use_popup_menu_position) {
327 		instance_pos += popup_menu_position;
328 	} else {
329 		instance_pos += graph->get_size() * 0.5;
330 	}
331 
332 	instance_pos /= graph->get_zoom();
333 
334 	int base = 1;
335 	String name = base_name;
336 	while (blend_tree->has_node(name)) {
337 		base++;
338 		name = base_name + " " + itos(base);
339 	}
340 
341 	undo_redo->create_action(TTR("Add Node to BlendTree"));
342 	undo_redo->add_do_method(blend_tree.ptr(), "add_node", name, anode, instance_pos / EDSCALE);
343 	undo_redo->add_undo_method(blend_tree.ptr(), "remove_node", name);
344 	undo_redo->add_do_method(this, "_update_graph");
345 	undo_redo->add_undo_method(this, "_update_graph");
346 	undo_redo->commit_action();
347 }
348 
_node_dragged(const Vector2 & p_from,const Vector2 & p_to,const StringName & p_which)349 void AnimationNodeBlendTreeEditor::_node_dragged(const Vector2 &p_from, const Vector2 &p_to, const StringName &p_which) {
350 
351 	updating = true;
352 	undo_redo->create_action(TTR("Node Moved"));
353 	undo_redo->add_do_method(blend_tree.ptr(), "set_node_position", p_which, p_to / EDSCALE);
354 	undo_redo->add_undo_method(blend_tree.ptr(), "set_node_position", p_which, p_from / EDSCALE);
355 	undo_redo->add_do_method(this, "_update_graph");
356 	undo_redo->add_undo_method(this, "_update_graph");
357 	undo_redo->commit_action();
358 	updating = false;
359 }
360 
_connection_request(const String & p_from,int p_from_index,const String & p_to,int p_to_index)361 void AnimationNodeBlendTreeEditor::_connection_request(const String &p_from, int p_from_index, const String &p_to, int p_to_index) {
362 
363 	AnimationNodeBlendTree::ConnectionError err = blend_tree->can_connect_node(p_to, p_to_index, p_from);
364 
365 	if (err != AnimationNodeBlendTree::CONNECTION_OK) {
366 		EditorNode::get_singleton()->show_warning(TTR("Unable to connect, port may be in use or connection may be invalid."));
367 		return;
368 	}
369 
370 	undo_redo->create_action(TTR("Nodes Connected"));
371 	undo_redo->add_do_method(blend_tree.ptr(), "connect_node", p_to, p_to_index, p_from);
372 	undo_redo->add_undo_method(blend_tree.ptr(), "disconnect_node", p_to, p_to_index);
373 	undo_redo->add_do_method(this, "_update_graph");
374 	undo_redo->add_undo_method(this, "_update_graph");
375 	undo_redo->commit_action();
376 }
377 
_disconnection_request(const String & p_from,int p_from_index,const String & p_to,int p_to_index)378 void AnimationNodeBlendTreeEditor::_disconnection_request(const String &p_from, int p_from_index, const String &p_to, int p_to_index) {
379 
380 	graph->disconnect_node(p_from, p_from_index, p_to, p_to_index);
381 
382 	updating = true;
383 	undo_redo->create_action(TTR("Nodes Disconnected"));
384 	undo_redo->add_do_method(blend_tree.ptr(), "disconnect_node", p_to, p_to_index);
385 	undo_redo->add_undo_method(blend_tree.ptr(), "connect_node", p_to, p_to_index, p_from);
386 	undo_redo->add_do_method(this, "_update_graph");
387 	undo_redo->add_undo_method(this, "_update_graph");
388 	undo_redo->commit_action();
389 	updating = false;
390 }
391 
_anim_selected(int p_index,Array p_options,const String & p_node)392 void AnimationNodeBlendTreeEditor::_anim_selected(int p_index, Array p_options, const String &p_node) {
393 
394 	String option = p_options[p_index];
395 
396 	Ref<AnimationNodeAnimation> anim = blend_tree->get_node(p_node);
397 	ERR_FAIL_COND(!anim.is_valid());
398 
399 	undo_redo->create_action(TTR("Set Animation"));
400 	undo_redo->add_do_method(anim.ptr(), "set_animation", option);
401 	undo_redo->add_undo_method(anim.ptr(), "set_animation", anim->get_animation());
402 	undo_redo->add_do_method(this, "_update_graph");
403 	undo_redo->add_undo_method(this, "_update_graph");
404 	undo_redo->commit_action();
405 }
406 
_delete_request(const String & p_which)407 void AnimationNodeBlendTreeEditor::_delete_request(const String &p_which) {
408 
409 	undo_redo->create_action(TTR("Delete Node"));
410 	undo_redo->add_do_method(blend_tree.ptr(), "remove_node", p_which);
411 	undo_redo->add_undo_method(blend_tree.ptr(), "add_node", p_which, blend_tree->get_node(p_which), blend_tree.ptr()->get_node_position(p_which));
412 
413 	List<AnimationNodeBlendTree::NodeConnection> conns;
414 	blend_tree->get_node_connections(&conns);
415 
416 	for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = conns.front(); E; E = E->next()) {
417 		if (E->get().output_node == p_which || E->get().input_node == p_which) {
418 			undo_redo->add_undo_method(blend_tree.ptr(), "connect_node", E->get().input_node, E->get().input_index, E->get().output_node);
419 		}
420 	}
421 
422 	undo_redo->add_do_method(this, "_update_graph");
423 	undo_redo->add_undo_method(this, "_update_graph");
424 	undo_redo->commit_action();
425 }
426 
_delete_nodes_request()427 void AnimationNodeBlendTreeEditor::_delete_nodes_request() {
428 
429 	List<StringName> to_erase;
430 
431 	for (int i = 0; i < graph->get_child_count(); i++) {
432 		GraphNode *gn = Object::cast_to<GraphNode>(graph->get_child(i));
433 		if (gn) {
434 			if (gn->is_selected() && gn->is_close_button_visible()) {
435 				to_erase.push_back(gn->get_name());
436 			}
437 		}
438 	}
439 
440 	if (to_erase.empty())
441 		return;
442 
443 	undo_redo->create_action(TTR("Delete Node(s)"));
444 
445 	for (List<StringName>::Element *F = to_erase.front(); F; F = F->next()) {
446 		_delete_request(F->get());
447 	}
448 
449 	undo_redo->commit_action();
450 }
451 
_popup_request(const Vector2 & p_position)452 void AnimationNodeBlendTreeEditor::_popup_request(const Vector2 &p_position) {
453 
454 	_update_options_menu();
455 	use_popup_menu_position = true;
456 	popup_menu_position = graph->get_local_mouse_position();
457 	add_node->get_popup()->set_position(p_position);
458 	add_node->get_popup()->popup();
459 }
460 
_node_selected(Object * p_node)461 void AnimationNodeBlendTreeEditor::_node_selected(Object *p_node) {
462 
463 	GraphNode *gn = Object::cast_to<GraphNode>(p_node);
464 	ERR_FAIL_COND(!gn);
465 
466 	String name = gn->get_name();
467 
468 	Ref<AnimationNode> anode = blend_tree->get_node(name);
469 	ERR_FAIL_COND(!anode.is_valid());
470 
471 	EditorNode::get_singleton()->push_item(anode.ptr(), "", true);
472 }
473 
_open_in_editor(const String & p_which)474 void AnimationNodeBlendTreeEditor::_open_in_editor(const String &p_which) {
475 
476 	Ref<AnimationNode> an = blend_tree->get_node(p_which);
477 	ERR_FAIL_COND(!an.is_valid());
478 	AnimationTreeEditor::get_singleton()->enter_editor(p_which);
479 }
480 
_filter_toggled()481 void AnimationNodeBlendTreeEditor::_filter_toggled() {
482 
483 	updating = true;
484 	undo_redo->create_action(TTR("Toggle Filter On/Off"));
485 	undo_redo->add_do_method(_filter_edit.ptr(), "set_filter_enabled", filter_enabled->is_pressed());
486 	undo_redo->add_undo_method(_filter_edit.ptr(), "set_filter_enabled", _filter_edit->is_filter_enabled());
487 	undo_redo->add_do_method(this, "_update_filters", _filter_edit);
488 	undo_redo->add_undo_method(this, "_update_filters", _filter_edit);
489 	undo_redo->commit_action();
490 	updating = false;
491 }
492 
_filter_edited()493 void AnimationNodeBlendTreeEditor::_filter_edited() {
494 
495 	TreeItem *edited = filters->get_edited();
496 	ERR_FAIL_COND(!edited);
497 
498 	NodePath edited_path = edited->get_metadata(0);
499 	bool filtered = edited->is_checked(0);
500 
501 	updating = true;
502 	undo_redo->create_action(TTR("Change Filter"));
503 	undo_redo->add_do_method(_filter_edit.ptr(), "set_filter_path", edited_path, filtered);
504 	undo_redo->add_undo_method(_filter_edit.ptr(), "set_filter_path", edited_path, _filter_edit->is_path_filtered(edited_path));
505 	undo_redo->add_do_method(this, "_update_filters", _filter_edit);
506 	undo_redo->add_undo_method(this, "_update_filters", _filter_edit);
507 	undo_redo->commit_action();
508 	updating = false;
509 }
510 
_update_filters(const Ref<AnimationNode> & anode)511 bool AnimationNodeBlendTreeEditor::_update_filters(const Ref<AnimationNode> &anode) {
512 
513 	if (updating || _filter_edit != anode)
514 		return false;
515 
516 	NodePath player_path = AnimationTreeEditor::get_singleton()->get_tree()->get_animation_player();
517 
518 	if (!AnimationTreeEditor::get_singleton()->get_tree()->has_node(player_path)) {
519 		EditorNode::get_singleton()->show_warning(TTR("No animation player set, so unable to retrieve track names."));
520 		return false;
521 	}
522 
523 	AnimationPlayer *player = Object::cast_to<AnimationPlayer>(AnimationTreeEditor::get_singleton()->get_tree()->get_node(player_path));
524 	if (!player) {
525 		EditorNode::get_singleton()->show_warning(TTR("Player path set is invalid, so unable to retrieve track names."));
526 		return false;
527 	}
528 
529 	Node *base = player->get_node(player->get_root());
530 
531 	if (!base) {
532 		EditorNode::get_singleton()->show_warning(TTR("Animation player has no valid root node path, so unable to retrieve track names."));
533 		return false;
534 	}
535 
536 	updating = true;
537 
538 	Set<String> paths;
539 	HashMap<String, Set<String> > types;
540 	{
541 		List<StringName> animations;
542 		player->get_animation_list(&animations);
543 
544 		for (List<StringName>::Element *E = animations.front(); E; E = E->next()) {
545 
546 			Ref<Animation> anim = player->get_animation(E->get());
547 			for (int i = 0; i < anim->get_track_count(); i++) {
548 				String track_path = anim->track_get_path(i);
549 				paths.insert(track_path);
550 
551 				String track_type_name;
552 				Animation::TrackType track_type = anim->track_get_type(i);
553 				switch (track_type) {
554 					case Animation::TrackType::TYPE_ANIMATION: {
555 						track_type_name = TTR("Anim Clips");
556 					} break;
557 					case Animation::TrackType::TYPE_AUDIO: {
558 						track_type_name = TTR("Audio Clips");
559 					} break;
560 					case Animation::TrackType::TYPE_METHOD: {
561 						track_type_name = TTR("Functions");
562 					} break;
563 					default: {
564 					} break;
565 				}
566 				if (!track_type_name.empty()) {
567 					types[track_path].insert(track_type_name);
568 				}
569 			}
570 		}
571 	}
572 
573 	filter_enabled->set_pressed(anode->is_filter_enabled());
574 	filters->clear();
575 	TreeItem *root = filters->create_item();
576 
577 	Map<String, TreeItem *> parenthood;
578 
579 	for (Set<String>::Element *E = paths.front(); E; E = E->next()) {
580 
581 		NodePath path = E->get();
582 		TreeItem *ti = NULL;
583 		String accum;
584 		for (int i = 0; i < path.get_name_count(); i++) {
585 			String name = path.get_name(i);
586 			if (accum != String()) {
587 				accum += "/";
588 			}
589 			accum += name;
590 			if (!parenthood.has(accum)) {
591 				if (ti) {
592 					ti = filters->create_item(ti);
593 				} else {
594 					ti = filters->create_item(root);
595 				}
596 				parenthood[accum] = ti;
597 				ti->set_text(0, name);
598 				ti->set_selectable(0, false);
599 				ti->set_editable(0, false);
600 
601 				if (base->has_node(accum)) {
602 					Node *node = base->get_node(accum);
603 					ti->set_icon(0, EditorNode::get_singleton()->get_object_icon(node, "Node"));
604 				}
605 
606 			} else {
607 				ti = parenthood[accum];
608 			}
609 		}
610 
611 		Node *node = NULL;
612 		if (base->has_node(accum)) {
613 			node = base->get_node(accum);
614 		}
615 		if (!node)
616 			continue; //no node, can't edit
617 
618 		if (path.get_subname_count()) {
619 
620 			String concat = path.get_concatenated_subnames();
621 
622 			Skeleton *skeleton = Object::cast_to<Skeleton>(node);
623 			if (skeleton && skeleton->find_bone(concat) != -1) {
624 				//path in skeleton
625 				const String &bone = concat;
626 				int idx = skeleton->find_bone(bone);
627 				List<String> bone_path;
628 				while (idx != -1) {
629 					bone_path.push_front(skeleton->get_bone_name(idx));
630 					idx = skeleton->get_bone_parent(idx);
631 				}
632 
633 				accum += ":";
634 				for (List<String>::Element *F = bone_path.front(); F; F = F->next()) {
635 					if (F != bone_path.front()) {
636 						accum += "/";
637 					}
638 
639 					accum += F->get();
640 					if (!parenthood.has(accum)) {
641 						ti = filters->create_item(ti);
642 						parenthood[accum] = ti;
643 						ti->set_text(0, F->get());
644 						ti->set_selectable(0, false);
645 						ti->set_editable(0, false);
646 						ti->set_icon(0, get_icon("BoneAttachment", "EditorIcons"));
647 					} else {
648 						ti = parenthood[accum];
649 					}
650 				}
651 
652 				ti->set_editable(0, true);
653 				ti->set_selectable(0, true);
654 				ti->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
655 				ti->set_text(0, concat);
656 				ti->set_checked(0, anode->is_path_filtered(path));
657 				ti->set_icon(0, get_icon("BoneAttachment", "EditorIcons"));
658 				ti->set_metadata(0, path);
659 
660 			} else {
661 				//just a property
662 				ti = filters->create_item(ti);
663 				ti->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
664 				ti->set_text(0, concat);
665 				ti->set_editable(0, true);
666 				ti->set_selectable(0, true);
667 				ti->set_checked(0, anode->is_path_filtered(path));
668 				ti->set_metadata(0, path);
669 			}
670 		} else {
671 			if (ti) {
672 				//just a node, not a property track
673 				String types_text = "[";
674 				if (types.has(path)) {
675 					Set<String>::Element *F = types[path].front();
676 					types_text += F->get();
677 					while (F->next()) {
678 						F = F->next();
679 						types_text += " / " + F->get();
680 					}
681 				}
682 				types_text += "]";
683 				ti = filters->create_item(ti);
684 				ti->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
685 				ti->set_text(0, types_text);
686 				ti->set_editable(0, true);
687 				ti->set_selectable(0, true);
688 				ti->set_checked(0, anode->is_path_filtered(path));
689 				ti->set_metadata(0, path);
690 			}
691 		}
692 	}
693 
694 	updating = false;
695 
696 	return true;
697 }
698 
_edit_filters(const String & p_which)699 void AnimationNodeBlendTreeEditor::_edit_filters(const String &p_which) {
700 
701 	Ref<AnimationNode> anode = blend_tree->get_node(p_which);
702 	ERR_FAIL_COND(!anode.is_valid());
703 
704 	_filter_edit = anode;
705 	if (!_update_filters(anode))
706 		return;
707 
708 	filter_dialog->popup_centered_minsize(Size2(500, 500) * EDSCALE);
709 }
710 
_removed_from_graph()711 void AnimationNodeBlendTreeEditor::_removed_from_graph() {
712 	if (is_visible()) {
713 		EditorNode::get_singleton()->edit_item(NULL);
714 	}
715 }
716 
_notification(int p_what)717 void AnimationNodeBlendTreeEditor::_notification(int p_what) {
718 
719 	if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_THEME_CHANGED) {
720 
721 		error_panel->add_style_override("panel", get_stylebox("bg", "Tree"));
722 		error_label->add_color_override("font_color", get_color("error_color", "Editor"));
723 
724 		if (p_what == NOTIFICATION_THEME_CHANGED && is_visible_in_tree())
725 			_update_graph();
726 	}
727 
728 	if (p_what == NOTIFICATION_PROCESS) {
729 
730 		String error;
731 
732 		if (!AnimationTreeEditor::get_singleton()->get_tree()->is_active()) {
733 			error = TTR("AnimationTree is inactive.\nActivate to enable playback, check node warnings if activation fails.");
734 		} else if (AnimationTreeEditor::get_singleton()->get_tree()->is_state_invalid()) {
735 			error = AnimationTreeEditor::get_singleton()->get_tree()->get_invalid_state_reason();
736 		}
737 
738 		if (error != error_label->get_text()) {
739 			error_label->set_text(error);
740 			if (error != String()) {
741 				error_panel->show();
742 			} else {
743 				error_panel->hide();
744 			}
745 		}
746 
747 		List<AnimationNodeBlendTree::NodeConnection> conns;
748 		blend_tree->get_node_connections(&conns);
749 		for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = conns.front(); E; E = E->next()) {
750 			float activity = 0;
751 			StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E->get().input_node;
752 			if (AnimationTreeEditor::get_singleton()->get_tree() && !AnimationTreeEditor::get_singleton()->get_tree()->is_state_invalid()) {
753 				activity = AnimationTreeEditor::get_singleton()->get_tree()->get_connection_activity(path, E->get().input_index);
754 			}
755 			graph->set_connection_activity(E->get().output_node, 0, E->get().input_node, E->get().input_index, activity);
756 		}
757 
758 		AnimationTree *graph_player = AnimationTreeEditor::get_singleton()->get_tree();
759 		AnimationPlayer *player = NULL;
760 		if (graph_player->has_node(graph_player->get_animation_player())) {
761 			player = Object::cast_to<AnimationPlayer>(graph_player->get_node(graph_player->get_animation_player()));
762 		}
763 
764 		if (player) {
765 			for (Map<StringName, ProgressBar *>::Element *E = animations.front(); E; E = E->next()) {
766 				Ref<AnimationNodeAnimation> an = blend_tree->get_node(E->key());
767 				if (an.is_valid()) {
768 					if (player->has_animation(an->get_animation())) {
769 						Ref<Animation> anim = player->get_animation(an->get_animation());
770 						if (anim.is_valid()) {
771 							E->get()->set_max(anim->get_length());
772 							//StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E->get().input_node;
773 							StringName time_path = AnimationTreeEditor::get_singleton()->get_base_path() + String(E->key()) + "/time";
774 							E->get()->set_value(AnimationTreeEditor::get_singleton()->get_tree()->get(time_path));
775 						}
776 					}
777 				}
778 			}
779 		}
780 
781 		for (int i = 0; i < visible_properties.size(); i++) {
782 			visible_properties[i]->update_property();
783 		}
784 	}
785 
786 	if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
787 		set_process(is_visible_in_tree());
788 	}
789 }
790 
_scroll_changed(const Vector2 & p_scroll)791 void AnimationNodeBlendTreeEditor::_scroll_changed(const Vector2 &p_scroll) {
792 	if (updating)
793 		return;
794 	updating = true;
795 	blend_tree->set_graph_offset(p_scroll / EDSCALE);
796 	updating = false;
797 }
798 
_bind_methods()799 void AnimationNodeBlendTreeEditor::_bind_methods() {
800 
801 	ClassDB::bind_method("_update_graph", &AnimationNodeBlendTreeEditor::_update_graph);
802 	ClassDB::bind_method("_add_node", &AnimationNodeBlendTreeEditor::_add_node);
803 	ClassDB::bind_method("_node_dragged", &AnimationNodeBlendTreeEditor::_node_dragged);
804 	ClassDB::bind_method("_node_renamed", &AnimationNodeBlendTreeEditor::_node_renamed);
805 	ClassDB::bind_method("_node_renamed_focus_out", &AnimationNodeBlendTreeEditor::_node_renamed_focus_out);
806 	ClassDB::bind_method("_connection_request", &AnimationNodeBlendTreeEditor::_connection_request);
807 	ClassDB::bind_method("_disconnection_request", &AnimationNodeBlendTreeEditor::_disconnection_request);
808 	ClassDB::bind_method("_node_selected", &AnimationNodeBlendTreeEditor::_node_selected);
809 	ClassDB::bind_method("_open_in_editor", &AnimationNodeBlendTreeEditor::_open_in_editor);
810 	ClassDB::bind_method("_scroll_changed", &AnimationNodeBlendTreeEditor::_scroll_changed);
811 	ClassDB::bind_method("_delete_request", &AnimationNodeBlendTreeEditor::_delete_request);
812 	ClassDB::bind_method("_delete_nodes_request", &AnimationNodeBlendTreeEditor::_delete_nodes_request);
813 	ClassDB::bind_method("_popup_request", &AnimationNodeBlendTreeEditor::_popup_request);
814 	ClassDB::bind_method("_edit_filters", &AnimationNodeBlendTreeEditor::_edit_filters);
815 	ClassDB::bind_method("_update_filters", &AnimationNodeBlendTreeEditor::_update_filters);
816 	ClassDB::bind_method("_filter_edited", &AnimationNodeBlendTreeEditor::_filter_edited);
817 	ClassDB::bind_method("_filter_toggled", &AnimationNodeBlendTreeEditor::_filter_toggled);
818 	ClassDB::bind_method("_removed_from_graph", &AnimationNodeBlendTreeEditor::_removed_from_graph);
819 	ClassDB::bind_method("_property_changed", &AnimationNodeBlendTreeEditor::_property_changed);
820 	ClassDB::bind_method("_file_opened", &AnimationNodeBlendTreeEditor::_file_opened);
821 	ClassDB::bind_method("_update_options_menu", &AnimationNodeBlendTreeEditor::_update_options_menu);
822 
823 	ClassDB::bind_method("_anim_selected", &AnimationNodeBlendTreeEditor::_anim_selected);
824 }
825 
826 AnimationNodeBlendTreeEditor *AnimationNodeBlendTreeEditor::singleton = NULL;
827 
_node_renamed(const String & p_text,Ref<AnimationNode> p_node)828 void AnimationNodeBlendTreeEditor::_node_renamed(const String &p_text, Ref<AnimationNode> p_node) {
829 
830 	String prev_name = blend_tree->get_node_name(p_node);
831 	ERR_FAIL_COND(prev_name == String());
832 	GraphNode *gn = Object::cast_to<GraphNode>(graph->get_node(prev_name));
833 	ERR_FAIL_COND(!gn);
834 
835 	const String &new_name = p_text;
836 
837 	ERR_FAIL_COND(new_name == "" || new_name.find(".") != -1 || new_name.find("/") != -1);
838 
839 	if (new_name == prev_name) {
840 		return; //nothing to do
841 	}
842 
843 	const String &base_name = new_name;
844 	int base = 1;
845 	String name = base_name;
846 	while (blend_tree->has_node(name)) {
847 		base++;
848 		name = base_name + " " + itos(base);
849 	}
850 
851 	String base_path = AnimationTreeEditor::get_singleton()->get_base_path();
852 
853 	updating = true;
854 	undo_redo->create_action(TTR("Node Renamed"));
855 	undo_redo->add_do_method(blend_tree.ptr(), "rename_node", prev_name, name);
856 	undo_redo->add_undo_method(blend_tree.ptr(), "rename_node", name, prev_name);
857 	undo_redo->add_do_method(AnimationTreeEditor::get_singleton()->get_tree(), "rename_parameter", base_path + prev_name, base_path + name);
858 	undo_redo->add_undo_method(AnimationTreeEditor::get_singleton()->get_tree(), "rename_parameter", base_path + name, base_path + prev_name);
859 	undo_redo->add_do_method(this, "_update_graph");
860 	undo_redo->add_undo_method(this, "_update_graph");
861 	undo_redo->commit_action();
862 	updating = false;
863 	gn->set_name(new_name);
864 	gn->set_size(gn->get_minimum_size());
865 
866 	//change editors accordingly
867 	for (int i = 0; i < visible_properties.size(); i++) {
868 		String pname = visible_properties[i]->get_edited_property().operator String();
869 		if (pname.begins_with(base_path + prev_name)) {
870 			String new_name2 = pname.replace_first(base_path + prev_name, base_path + name);
871 			visible_properties[i]->set_object_and_property(visible_properties[i]->get_edited_object(), new_name2);
872 		}
873 	}
874 
875 	//recreate connections
876 	graph->clear_connections();
877 
878 	List<AnimationNodeBlendTree::NodeConnection> connections;
879 	blend_tree->get_node_connections(&connections);
880 
881 	for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = connections.front(); E; E = E->next()) {
882 
883 		StringName from = E->get().output_node;
884 		StringName to = E->get().input_node;
885 		int to_idx = E->get().input_index;
886 
887 		graph->connect_node(from, 0, to, to_idx);
888 	}
889 
890 	//update animations
891 	for (Map<StringName, ProgressBar *>::Element *E = animations.front(); E; E = E->next()) {
892 		if (E->key() == prev_name) {
893 			animations[new_name] = animations[prev_name];
894 			animations.erase(prev_name);
895 			break;
896 		}
897 	}
898 
899 	_update_graph(); // Needed to update the signal connections with the new name.
900 }
901 
_node_renamed_focus_out(Node * le,Ref<AnimationNode> p_node)902 void AnimationNodeBlendTreeEditor::_node_renamed_focus_out(Node *le, Ref<AnimationNode> p_node) {
903 	_node_renamed(le->call("get_text"), p_node);
904 }
905 
can_edit(const Ref<AnimationNode> & p_node)906 bool AnimationNodeBlendTreeEditor::can_edit(const Ref<AnimationNode> &p_node) {
907 	Ref<AnimationNodeBlendTree> bt = p_node;
908 	return bt.is_valid();
909 }
910 
edit(const Ref<AnimationNode> & p_node)911 void AnimationNodeBlendTreeEditor::edit(const Ref<AnimationNode> &p_node) {
912 
913 	if (blend_tree.is_valid()) {
914 		blend_tree->disconnect("removed_from_graph", this, "_removed_from_graph");
915 	}
916 
917 	blend_tree = p_node;
918 
919 	if (blend_tree.is_null()) {
920 		hide();
921 	} else {
922 		blend_tree->connect("removed_from_graph", this, "_removed_from_graph");
923 
924 		_update_graph();
925 	}
926 }
927 
AnimationNodeBlendTreeEditor()928 AnimationNodeBlendTreeEditor::AnimationNodeBlendTreeEditor() {
929 
930 	singleton = this;
931 	updating = false;
932 	use_popup_menu_position = false;
933 
934 	graph = memnew(GraphEdit);
935 	add_child(graph);
936 	graph->add_valid_right_disconnect_type(0);
937 	graph->add_valid_left_disconnect_type(0);
938 	graph->set_v_size_flags(SIZE_EXPAND_FILL);
939 	graph->connect("connection_request", this, "_connection_request", varray(), CONNECT_DEFERRED);
940 	graph->connect("disconnection_request", this, "_disconnection_request", varray(), CONNECT_DEFERRED);
941 	graph->connect("node_selected", this, "_node_selected");
942 	graph->connect("scroll_offset_changed", this, "_scroll_changed");
943 	graph->connect("delete_nodes_request", this, "_delete_nodes_request");
944 	graph->connect("popup_request", this, "_popup_request");
945 
946 	VSeparator *vs = memnew(VSeparator);
947 	graph->get_zoom_hbox()->add_child(vs);
948 	graph->get_zoom_hbox()->move_child(vs, 0);
949 
950 	add_node = memnew(MenuButton);
951 	graph->get_zoom_hbox()->add_child(add_node);
952 	add_node->set_text(TTR("Add Node..."));
953 	graph->get_zoom_hbox()->move_child(add_node, 0);
954 	add_node->get_popup()->connect("id_pressed", this, "_add_node");
955 	add_node->connect("about_to_show", this, "_update_options_menu");
956 
957 	add_options.push_back(AddOption("Animation", "AnimationNodeAnimation"));
958 	add_options.push_back(AddOption("OneShot", "AnimationNodeOneShot"));
959 	add_options.push_back(AddOption("Add2", "AnimationNodeAdd2"));
960 	add_options.push_back(AddOption("Add3", "AnimationNodeAdd3"));
961 	add_options.push_back(AddOption("Blend2", "AnimationNodeBlend2"));
962 	add_options.push_back(AddOption("Blend3", "AnimationNodeBlend3"));
963 	add_options.push_back(AddOption("Seek", "AnimationNodeTimeSeek"));
964 	add_options.push_back(AddOption("TimeScale", "AnimationNodeTimeScale"));
965 	add_options.push_back(AddOption("Transition", "AnimationNodeTransition"));
966 	add_options.push_back(AddOption("BlendTree", "AnimationNodeBlendTree"));
967 	add_options.push_back(AddOption("BlendSpace1D", "AnimationNodeBlendSpace1D"));
968 	add_options.push_back(AddOption("BlendSpace2D", "AnimationNodeBlendSpace2D"));
969 	add_options.push_back(AddOption("StateMachine", "AnimationNodeStateMachine"));
970 	_update_options_menu();
971 
972 	error_panel = memnew(PanelContainer);
973 	add_child(error_panel);
974 	error_label = memnew(Label);
975 	error_panel->add_child(error_label);
976 	error_label->set_text("eh");
977 
978 	filter_dialog = memnew(AcceptDialog);
979 	add_child(filter_dialog);
980 	filter_dialog->set_title(TTR("Edit Filtered Tracks:"));
981 
982 	VBoxContainer *filter_vbox = memnew(VBoxContainer);
983 	filter_dialog->add_child(filter_vbox);
984 
985 	filter_enabled = memnew(CheckBox);
986 	filter_enabled->set_text(TTR("Enable Filtering"));
987 	filter_enabled->connect("pressed", this, "_filter_toggled");
988 	filter_vbox->add_child(filter_enabled);
989 
990 	filters = memnew(Tree);
991 	filter_vbox->add_child(filters);
992 	filters->set_v_size_flags(SIZE_EXPAND_FILL);
993 	filters->set_hide_root(true);
994 	filters->connect("item_edited", this, "_filter_edited");
995 
996 	open_file = memnew(EditorFileDialog);
997 	add_child(open_file);
998 	open_file->set_title(TTR("Open Animation Node"));
999 	open_file->set_mode(EditorFileDialog::MODE_OPEN_FILE);
1000 	open_file->connect("file_selected", this, "_file_opened");
1001 	undo_redo = EditorNode::get_undo_redo();
1002 }
1003