1 /*************************************************************************/
2 /* visual_script.h */
3 /*************************************************************************/
4 /* This file is part of: */
5 /* GODOT ENGINE */
6 /* https://godotengine.org */
7 /*************************************************************************/
8 /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
9 /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
10 /* */
11 /* Permission is hereby granted, free of charge, to any person obtaining */
12 /* a copy of this software and associated documentation files (the */
13 /* "Software"), to deal in the Software without restriction, including */
14 /* without limitation the rights to use, copy, modify, merge, publish, */
15 /* distribute, sublicense, and/or sell copies of the Software, and to */
16 /* permit persons to whom the Software is furnished to do so, subject to */
17 /* the following conditions: */
18 /* */
19 /* The above copyright notice and this permission notice shall be */
20 /* included in all copies or substantial portions of the Software. */
21 /* */
22 /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23 /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
25 /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26 /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27 /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29 /*************************************************************************/
30
31 #ifndef VISUAL_SCRIPT_H
32 #define VISUAL_SCRIPT_H
33
34 #include "core/os/thread.h"
35 #include "core/script_language.h"
36
37 class VisualScriptInstance;
38 class VisualScriptNodeInstance;
39 class VisualScript;
40
41 class VisualScriptNode : public Resource {
42 GDCLASS(VisualScriptNode, Resource);
43
44 friend class VisualScript;
45
46 Set<VisualScript *> scripts_used;
47
48 Array default_input_values;
49 bool breakpoint;
50
51 void _set_default_input_values(Array p_values);
52 Array _get_default_input_values() const;
53
54 void validate_input_default_values();
55
56 protected:
57 void ports_changed_notify();
58 static void _bind_methods();
59
60 public:
61 Ref<VisualScript> get_visual_script() const;
62
63 virtual int get_output_sequence_port_count() const = 0;
64 virtual bool has_input_sequence_port() const = 0;
65
66 virtual String get_output_sequence_port_text(int p_port) const = 0;
67
has_mixed_input_and_sequence_ports()68 virtual bool has_mixed_input_and_sequence_ports() const { return false; }
69
70 virtual int get_input_value_port_count() const = 0;
71 virtual int get_output_value_port_count() const = 0;
72
73 virtual PropertyInfo get_input_value_port_info(int p_idx) const = 0;
74 virtual PropertyInfo get_output_value_port_info(int p_idx) const = 0;
75
76 void set_default_input_value(int p_port, const Variant &p_value);
77 Variant get_default_input_value(int p_port) const;
78
79 virtual String get_caption() const = 0;
80 virtual String get_text() const;
81 virtual String get_category() const = 0;
82
83 //used by editor, this is not really saved
84 void set_breakpoint(bool p_breakpoint);
85 bool is_breakpoint() const;
86
87 virtual VisualScriptNodeInstance *instance(VisualScriptInstance *p_instance) = 0;
88
89 struct TypeGuess {
90
91 Variant::Type type;
92 StringName gdclass;
93 Ref<Script> script;
94
TypeGuessTypeGuess95 TypeGuess() {
96 type = Variant::NIL;
97 }
98 };
99
100 virtual TypeGuess guess_output_type(TypeGuess *p_inputs, int p_output) const;
101
102 VisualScriptNode();
103 };
104
105 class VisualScriptNodeInstance {
106 friend class VisualScriptInstance;
107 friend class VisualScriptLanguage; //for debugger
108
109 enum { //input argument addressing
110 INPUT_SHIFT = 1 << 24,
111 INPUT_MASK = INPUT_SHIFT - 1,
112 INPUT_DEFAULT_VALUE_BIT = INPUT_SHIFT, // from unassigned input port, using default value (edited by user)
113 };
114
115 int id;
116 int sequence_index;
117 VisualScriptNodeInstance **sequence_outputs;
118 int sequence_output_count;
119 Vector<VisualScriptNodeInstance *> dependencies;
120 int *input_ports;
121 int input_port_count;
122 int *output_ports;
123 int output_port_count;
124 int working_mem_idx;
125 int pass_idx;
126
127 VisualScriptNode *base;
128
129 public:
130 enum StartMode {
131 START_MODE_BEGIN_SEQUENCE,
132 START_MODE_CONTINUE_SEQUENCE,
133 START_MODE_RESUME_YIELD
134 };
135
136 enum {
137 STEP_SHIFT = 1 << 24,
138 STEP_MASK = STEP_SHIFT - 1,
139 STEP_FLAG_PUSH_STACK_BIT = STEP_SHIFT, //push bit to stack
140 STEP_FLAG_GO_BACK_BIT = STEP_SHIFT << 1, //go back to previous node
141 STEP_NO_ADVANCE_BIT = STEP_SHIFT << 2, //do not advance past this node
142 STEP_EXIT_FUNCTION_BIT = STEP_SHIFT << 3, //return from function
143 STEP_YIELD_BIT = STEP_SHIFT << 4, //yield (will find VisualScriptFunctionState state in first working memory)
144
145 FLOW_STACK_PUSHED_BIT = 1 << 30, //in flow stack, means bit was pushed (must go back here if end of sequence)
146 FLOW_STACK_MASK = FLOW_STACK_PUSHED_BIT - 1
147
148 };
149
get_input_port_count()150 _FORCE_INLINE_ int get_input_port_count() const { return input_port_count; }
get_output_port_count()151 _FORCE_INLINE_ int get_output_port_count() const { return output_port_count; }
get_sequence_output_count()152 _FORCE_INLINE_ int get_sequence_output_count() const { return sequence_output_count; }
153
get_id()154 _FORCE_INLINE_ int get_id() const { return id; }
155
get_working_memory_size()156 virtual int get_working_memory_size() const { return 0; }
157
158 virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Variant::CallError &r_error, String &r_error_str) = 0; //do a step, return which sequence port to go out
159
get_base_node()160 Ref<VisualScriptNode> get_base_node() { return Ref<VisualScriptNode>(base); }
161
162 VisualScriptNodeInstance();
163 virtual ~VisualScriptNodeInstance();
164 };
165
166 class VisualScript : public Script {
167
168 GDCLASS(VisualScript, Script);
169
170 RES_BASE_EXTENSION("vs");
171
172 public:
173 struct SequenceConnection {
174
175 union {
176
177 struct {
178 uint64_t from_node : 24;
179 uint64_t from_output : 16;
180 uint64_t to_node : 24;
181 };
182 uint64_t id;
183 };
184
185 bool operator<(const SequenceConnection &p_connection) const {
186
187 return id < p_connection.id;
188 }
189 };
190
191 struct DataConnection {
192
193 union {
194
195 struct {
196 uint64_t from_node : 24;
197 uint64_t from_port : 8;
198 uint64_t to_node : 24;
199 uint64_t to_port : 8;
200 };
201 uint64_t id;
202 };
203
204 bool operator<(const DataConnection &p_connection) const {
205
206 return id < p_connection.id;
207 }
208 };
209
210 private:
211 friend class VisualScriptInstance;
212
213 StringName base_type;
214 struct Argument {
215 String name;
216 Variant::Type type;
217 };
218
219 struct Function {
220 struct NodeData {
221 Point2 pos;
222 Ref<VisualScriptNode> node;
223 };
224
225 Map<int, NodeData> nodes;
226
227 Set<SequenceConnection> sequence_connections;
228
229 Set<DataConnection> data_connections;
230
231 int function_id;
232
233 Vector2 scroll;
234
FunctionFunction235 Function() { function_id = -1; }
236 };
237
238 struct Variable {
239 PropertyInfo info;
240 Variant default_value;
241 bool _export;
242 // add getter & setter options here
243 };
244
245 Map<StringName, Function> functions;
246 Map<StringName, Variable> variables;
247 Map<StringName, Vector<Argument> > custom_signals;
248
249 Map<Object *, VisualScriptInstance *> instances;
250
251 bool is_tool_script;
252
253 #ifdef TOOLS_ENABLED
254 Set<PlaceHolderScriptInstance *> placeholders;
255 //void _update_placeholder(PlaceHolderScriptInstance *p_placeholder);
256 virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder);
257 void _update_placeholders();
258 #endif
259
260 void _set_variable_info(const StringName &p_name, const Dictionary &p_info);
261 Dictionary _get_variable_info(const StringName &p_name) const;
262
263 void _set_data(const Dictionary &p_data);
264 Dictionary _get_data() const;
265
266 protected:
267 void _node_ports_changed(int p_id);
268 static void _bind_methods();
269
270 public:
271 // TODO: Remove it in future when breaking changes are acceptable
272 StringName get_default_func() const;
273 void add_function(const StringName &p_name);
274 bool has_function(const StringName &p_name) const;
275 void remove_function(const StringName &p_name);
276 void rename_function(const StringName &p_name, const StringName &p_new_name);
277 void set_function_scroll(const StringName &p_name, const Vector2 &p_scroll);
278 Vector2 get_function_scroll(const StringName &p_name) const;
279 void get_function_list(List<StringName> *r_functions) const;
280 int get_function_node_id(const StringName &p_name) const;
281 void set_tool_enabled(bool p_enabled);
282
283 void add_node(const StringName &p_func, int p_id, const Ref<VisualScriptNode> &p_node, const Point2 &p_pos = Point2());
284 void remove_node(const StringName &p_func, int p_id);
285 bool has_node(const StringName &p_func, int p_id) const;
286 Ref<VisualScriptNode> get_node(const StringName &p_func, int p_id) const;
287 void set_node_position(const StringName &p_func, int p_id, const Point2 &p_pos);
288 Point2 get_node_position(const StringName &p_func, int p_id) const;
289 void get_node_list(const StringName &p_func, List<int> *r_nodes) const;
290
291 void sequence_connect(const StringName &p_func, int p_from_node, int p_from_output, int p_to_node);
292 void sequence_disconnect(const StringName &p_func, int p_from_node, int p_from_output, int p_to_node);
293 bool has_sequence_connection(const StringName &p_func, int p_from_node, int p_from_output, int p_to_node) const;
294 void get_sequence_connection_list(const StringName &p_func, List<SequenceConnection> *r_connection) const;
295
296 void data_connect(const StringName &p_func, int p_from_node, int p_from_port, int p_to_node, int p_to_port);
297 void data_disconnect(const StringName &p_func, int p_from_node, int p_from_port, int p_to_node, int p_to_port);
298 bool has_data_connection(const StringName &p_func, int p_from_node, int p_from_port, int p_to_node, int p_to_port) const;
299 void get_data_connection_list(const StringName &p_func, List<DataConnection> *r_connection) const;
300 bool is_input_value_port_connected(const StringName &p_func, int p_node, int p_port) const;
301 bool get_input_value_port_connection_source(const StringName &p_func, int p_node, int p_port, int *r_node, int *r_port) const;
302
303 void add_variable(const StringName &p_name, const Variant &p_default_value = Variant(), bool p_export = false);
304 bool has_variable(const StringName &p_name) const;
305 void remove_variable(const StringName &p_name);
306 void set_variable_default_value(const StringName &p_name, const Variant &p_value);
307 Variant get_variable_default_value(const StringName &p_name) const;
308 void set_variable_info(const StringName &p_name, const PropertyInfo &p_info);
309 PropertyInfo get_variable_info(const StringName &p_name) const;
310 void set_variable_export(const StringName &p_name, bool p_export);
311 bool get_variable_export(const StringName &p_name) const;
312 void get_variable_list(List<StringName> *r_variables) const;
313 void rename_variable(const StringName &p_name, const StringName &p_new_name);
314
315 void add_custom_signal(const StringName &p_name);
316 bool has_custom_signal(const StringName &p_name) const;
317 void custom_signal_add_argument(const StringName &p_func, Variant::Type p_type, const String &p_name, int p_index = -1);
318 void custom_signal_set_argument_type(const StringName &p_func, int p_argidx, Variant::Type p_type);
319 Variant::Type custom_signal_get_argument_type(const StringName &p_func, int p_argidx) const;
320 void custom_signal_set_argument_name(const StringName &p_func, int p_argidx, const String &p_name);
321 String custom_signal_get_argument_name(const StringName &p_func, int p_argidx) const;
322 void custom_signal_remove_argument(const StringName &p_func, int p_argidx);
323 int custom_signal_get_argument_count(const StringName &p_func) const;
324 void custom_signal_swap_argument(const StringName &p_func, int p_argidx, int p_with_argidx);
325 void remove_custom_signal(const StringName &p_name);
326 void rename_custom_signal(const StringName &p_name, const StringName &p_new_name);
327 Set<int> get_output_sequence_ports_connected(const String &edited_func, int from_node);
328
329 void get_custom_signal_list(List<StringName> *r_custom_signals) const;
330
331 int get_available_id() const;
332
333 void set_instance_base_type(const StringName &p_type);
334
335 virtual bool can_instance() const;
336
337 virtual Ref<Script> get_base_script() const;
338 virtual StringName get_instance_base_type() const;
339 virtual ScriptInstance *instance_create(Object *p_this);
340 virtual bool instance_has(const Object *p_this) const;
341
342 virtual bool has_source_code() const;
343 virtual String get_source_code() const;
344 virtual void set_source_code(const String &p_code);
345 virtual Error reload(bool p_keep_state = false);
346
347 virtual bool is_tool() const;
348 virtual bool is_valid() const;
349
350 virtual ScriptLanguage *get_language() const;
351
352 virtual bool has_script_signal(const StringName &p_signal) const;
353 virtual void get_script_signal_list(List<MethodInfo> *r_signals) const;
354
355 virtual bool get_property_default_value(const StringName &p_property, Variant &r_value) const;
356 virtual void get_script_method_list(List<MethodInfo> *p_list) const;
357
358 virtual bool has_method(const StringName &p_method) const;
359 virtual MethodInfo get_method_info(const StringName &p_method) const;
360
361 virtual void get_script_property_list(List<PropertyInfo> *p_list) const;
362
363 virtual int get_member_line(const StringName &p_member) const;
364
365 #ifdef TOOLS_ENABLED
366 virtual bool are_subnodes_edited() const;
367 #endif
368
369 VisualScript();
370 ~VisualScript();
371 };
372
373 class VisualScriptInstance : public ScriptInstance {
374 Object *owner;
375 Ref<VisualScript> script;
376
377 Map<StringName, Variant> variables; //using variable path, not script
378 Map<int, VisualScriptNodeInstance *> instances;
379
380 struct Function {
381 int node;
382 int max_stack;
383 int trash_pos;
384 int flow_stack_size;
385 int pass_stack_size;
386 int node_count;
387 int argument_count;
388 };
389
390 Map<StringName, Function> functions;
391
392 Vector<Variant> default_values;
393 int max_input_args, max_output_args;
394
395 StringName source;
396
397 void _dependency_step(VisualScriptNodeInstance *node, int p_pass, int *pass_stack, const Variant **input_args, Variant **output_args, Variant *variant_stack, Variant::CallError &r_error, String &error_str, VisualScriptNodeInstance **r_error_node);
398 Variant _call_internal(const StringName &p_method, void *p_stack, int p_stack_size, VisualScriptNodeInstance *p_node, int p_flow_stack_pos, int p_pass, bool p_resuming_yield, Variant::CallError &r_error);
399
400 //Map<StringName,Function> functions;
401 friend class VisualScriptFunctionState; //for yield
402 friend class VisualScriptLanguage; //for debugger
403 public:
404 virtual bool set(const StringName &p_name, const Variant &p_value);
405 virtual bool get(const StringName &p_name, Variant &r_ret) const;
406 virtual void get_property_list(List<PropertyInfo> *p_properties) const;
407 virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = NULL) const;
408
409 virtual void get_method_list(List<MethodInfo> *p_list) const;
410 virtual bool has_method(const StringName &p_method) const;
411 virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error);
412 virtual void notification(int p_notification);
413 String to_string(bool *r_valid);
414
set_variable(const StringName & p_variable,const Variant & p_value)415 bool set_variable(const StringName &p_variable, const Variant &p_value) {
416
417 Map<StringName, Variant>::Element *E = variables.find(p_variable);
418 if (!E)
419 return false;
420
421 E->get() = p_value;
422 return true;
423 }
424
get_variable(const StringName & p_variable,Variant * r_variable)425 bool get_variable(const StringName &p_variable, Variant *r_variable) const {
426
427 const Map<StringName, Variant>::Element *E = variables.find(p_variable);
428 if (!E)
429 return false;
430
431 *r_variable = E->get();
432 return true;
433 }
434
435 virtual Ref<Script> get_script() const;
436
get_script_ptr()437 _FORCE_INLINE_ VisualScript *get_script_ptr() { return script.ptr(); }
get_owner_ptr()438 _FORCE_INLINE_ Object *get_owner_ptr() { return owner; }
439
440 void create(const Ref<VisualScript> &p_script, Object *p_owner);
441
442 virtual ScriptLanguage *get_language();
443
444 virtual MultiplayerAPI::RPCMode get_rpc_mode(const StringName &p_method) const;
445 virtual MultiplayerAPI::RPCMode get_rset_mode(const StringName &p_variable) const;
446
447 VisualScriptInstance();
448 ~VisualScriptInstance();
449 };
450
451 class VisualScriptFunctionState : public Reference {
452
453 GDCLASS(VisualScriptFunctionState, Reference);
454 friend class VisualScriptInstance;
455
456 ObjectID instance_id;
457 ObjectID script_id;
458 VisualScriptInstance *instance;
459 StringName function;
460 Vector<uint8_t> stack;
461 int working_mem_index;
462 int variant_stack_size;
463 VisualScriptNodeInstance *node;
464 int flow_stack_pos;
465 int pass;
466
467 Variant _signal_callback(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
468
469 protected:
470 static void _bind_methods();
471
472 public:
473 void connect_to_signal(Object *p_obj, const String &p_signal, Array p_binds);
474 bool is_valid() const;
475 Variant resume(Array p_args);
476 VisualScriptFunctionState();
477 ~VisualScriptFunctionState();
478 };
479
480 typedef Ref<VisualScriptNode> (*VisualScriptNodeRegisterFunc)(const String &p_type);
481
482 class VisualScriptLanguage : public ScriptLanguage {
483
484 Map<String, VisualScriptNodeRegisterFunc> register_funcs;
485
486 struct CallLevel {
487
488 Variant *stack;
489 Variant **work_mem;
490 const StringName *function;
491 VisualScriptInstance *instance;
492 int *current_id;
493 };
494
495 int _debug_parse_err_node;
496 String _debug_parse_err_file;
497 String _debug_error;
498 int _debug_call_stack_pos;
499 int _debug_max_call_stack;
500 CallLevel *_call_stack;
501
502 public:
503 StringName notification;
504 StringName _get_output_port_unsequenced;
505 StringName _step;
506 StringName _subcall;
507
508 static VisualScriptLanguage *singleton;
509
510 Mutex *lock;
511
512 bool debug_break(const String &p_error, bool p_allow_continue = true);
513 bool debug_break_parse(const String &p_file, int p_node, const String &p_error);
514
enter_function(VisualScriptInstance * p_instance,const StringName * p_function,Variant * p_stack,Variant ** p_work_mem,int * current_id)515 _FORCE_INLINE_ void enter_function(VisualScriptInstance *p_instance, const StringName *p_function, Variant *p_stack, Variant **p_work_mem, int *current_id) {
516
517 if (Thread::get_main_id() != Thread::get_caller_id())
518 return; //no support for other threads than main for now
519
520 if (ScriptDebugger::get_singleton()->get_lines_left() > 0 && ScriptDebugger::get_singleton()->get_depth() >= 0)
521 ScriptDebugger::get_singleton()->set_depth(ScriptDebugger::get_singleton()->get_depth() + 1);
522
523 if (_debug_call_stack_pos >= _debug_max_call_stack) {
524 //stack overflow
525 _debug_error = "Stack Overflow (Stack Size: " + itos(_debug_max_call_stack) + ")";
526 ScriptDebugger::get_singleton()->debug(this);
527 return;
528 }
529
530 _call_stack[_debug_call_stack_pos].stack = p_stack;
531 _call_stack[_debug_call_stack_pos].instance = p_instance;
532 _call_stack[_debug_call_stack_pos].function = p_function;
533 _call_stack[_debug_call_stack_pos].work_mem = p_work_mem;
534 _call_stack[_debug_call_stack_pos].current_id = current_id;
535 _debug_call_stack_pos++;
536 }
537
exit_function()538 _FORCE_INLINE_ void exit_function() {
539
540 if (Thread::get_main_id() != Thread::get_caller_id())
541 return; //no support for other threads than main for now
542
543 if (ScriptDebugger::get_singleton()->get_lines_left() > 0 && ScriptDebugger::get_singleton()->get_depth() >= 0)
544 ScriptDebugger::get_singleton()->set_depth(ScriptDebugger::get_singleton()->get_depth() - 1);
545
546 if (_debug_call_stack_pos == 0) {
547
548 _debug_error = "Stack Underflow (Engine Bug)";
549 ScriptDebugger::get_singleton()->debug(this);
550 return;
551 }
552
553 _debug_call_stack_pos--;
554 }
555
556 //////////////////////////////////////
557
558 virtual String get_name() const;
559
560 /* LANGUAGE FUNCTIONS */
561 virtual void init();
562 virtual String get_type() const;
563 virtual String get_extension() const;
564 virtual Error execute_file(const String &p_path);
565 virtual void finish();
566
567 /* EDITOR FUNCTIONS */
568 virtual void get_reserved_words(List<String> *p_words) const;
569 virtual void get_comment_delimiters(List<String> *p_delimiters) const;
570 virtual void get_string_delimiters(List<String> *p_delimiters) const;
571 virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;
572 virtual bool is_using_templates();
573 virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script);
574 virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path = "", List<String> *r_functions = NULL, List<ScriptLanguage::Warning> *r_warnings = NULL, Set<int> *r_safe_lines = NULL) const;
575 virtual Script *create_script() const;
576 virtual bool has_named_classes() const;
577 virtual bool supports_builtin_mode() const;
578 virtual int find_function(const String &p_function, const String &p_code) const;
579 virtual String make_function(const String &p_class, const String &p_name, const PoolStringArray &p_args) const;
580 virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const;
581 virtual void add_global_constant(const StringName &p_variable, const Variant &p_value);
582
583 /* DEBUGGER FUNCTIONS */
584
585 virtual String debug_get_error() const;
586 virtual int debug_get_stack_level_count() const;
587 virtual int debug_get_stack_level_line(int p_level) const;
588 virtual String debug_get_stack_level_function(int p_level) const;
589 virtual String debug_get_stack_level_source(int p_level) const;
590 virtual void debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
591 virtual void debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
592 virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1);
593 virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1);
594
595 virtual void reload_all_scripts();
596 virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload);
597 /* LOADER FUNCTIONS */
598
599 virtual void get_recognized_extensions(List<String> *p_extensions) const;
600 virtual void get_public_functions(List<MethodInfo> *p_functions) const;
601 virtual void get_public_constants(List<Pair<String, Variant> > *p_constants) const;
602
603 virtual void profiling_start();
604 virtual void profiling_stop();
605
606 virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max);
607 virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max);
608
609 void add_register_func(const String &p_name, VisualScriptNodeRegisterFunc p_func);
610 void remove_register_func(const String &p_name);
611 Ref<VisualScriptNode> create_node_from_name(const String &p_name);
612 void get_registered_node_names(List<String> *r_names);
613
614 VisualScriptLanguage();
615 ~VisualScriptLanguage();
616 };
617
618 //aid for registering
619 template <class T>
create_node_generic(const String & p_name)620 static Ref<VisualScriptNode> create_node_generic(const String &p_name) {
621
622 Ref<T> node;
623 node.instance();
624 return node;
625 }
626
627 #endif // VISUAL_SCRIPT_H
628