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Diffstat (limited to 'modules/visual_script/visual_script.h')
| -rw-r--r-- | modules/visual_script/visual_script.h | 630 |
1 files changed, 0 insertions, 630 deletions
diff --git a/modules/visual_script/visual_script.h b/modules/visual_script/visual_script.h deleted file mode 100644 index d3a90d53fb..0000000000 --- a/modules/visual_script/visual_script.h +++ /dev/null @@ -1,630 +0,0 @@ -/*************************************************************************/ -/* visual_script.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2022 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. */ -/*************************************************************************/ - -#ifndef VISUAL_SCRIPT_H -#define VISUAL_SCRIPT_H - -#include "core/debugger/engine_debugger.h" -#include "core/debugger/script_debugger.h" -#include "core/doc_data.h" -#include "core/object/script_language.h" -#include "core/os/thread.h" -#include "core/templates/rb_set.h" - -class VisualScriptInstance; -class VisualScriptNodeInstance; -class VisualScript; - -class VisualScriptNode : public Resource { - GDCLASS(VisualScriptNode, Resource); - - friend class VisualScript; - - Ref<VisualScript> script_used; - - Array default_input_values; - bool breakpoint = false; - - void _set_default_input_values(Array p_values); - Array _get_default_input_values() const; - - void validate_input_default_values(); - -protected: - void ports_changed_notify(); - static void _bind_methods(); - -public: - Ref<VisualScript> get_visual_script() const; - - virtual int get_output_sequence_port_count() const = 0; - virtual bool has_input_sequence_port() const = 0; - - virtual String get_output_sequence_port_text(int p_port) const = 0; - - virtual bool has_mixed_input_and_sequence_ports() const { return false; } - - virtual int get_input_value_port_count() const = 0; - virtual int get_output_value_port_count() const = 0; - - virtual PropertyInfo get_input_value_port_info(int p_idx) const = 0; - virtual PropertyInfo get_output_value_port_info(int p_idx) const = 0; - - void set_default_input_value(int p_port, const Variant &p_value); - Variant get_default_input_value(int p_port) const; - - virtual String get_caption() const = 0; - virtual String get_text() const; - virtual String get_category() const = 0; - - // Used by editor, this is not really saved. - void set_breakpoint(bool p_breakpoint); - bool is_breakpoint() const; - - virtual VisualScriptNodeInstance *instantiate(VisualScriptInstance *p_instance) = 0; - - struct TypeGuess { - Variant::Type type = Variant::NIL; - StringName gdclass; - Ref<Script> script; - }; - - virtual TypeGuess guess_output_type(TypeGuess *p_inputs, int p_output) const; - - VisualScriptNode(); -}; - -class VisualScriptNodeInstance { - friend class VisualScriptInstance; - friend class VisualScriptLanguage; // For debugger. - - enum { // Input argument addressing. - INPUT_SHIFT = 1 << 24, - INPUT_MASK = INPUT_SHIFT - 1, - INPUT_DEFAULT_VALUE_BIT = INPUT_SHIFT, // from unassigned input port, using default value (edited by user) - }; - - int id = 0; - int sequence_index = 0; - VisualScriptNodeInstance **sequence_outputs = nullptr; - int sequence_output_count = 0; - Vector<VisualScriptNodeInstance *> dependencies; - int *input_ports = nullptr; - int input_port_count = 0; - int *output_ports = nullptr; - int output_port_count = 0; - int working_mem_idx = 0; - int pass_idx = 0; - - VisualScriptNode *base = nullptr; - -public: - enum StartMode { - START_MODE_BEGIN_SEQUENCE, - START_MODE_CONTINUE_SEQUENCE, - START_MODE_RESUME_YIELD - }; - - enum { - STEP_SHIFT = 1 << 24, - STEP_MASK = STEP_SHIFT - 1, - STEP_FLAG_PUSH_STACK_BIT = STEP_SHIFT, // push bit to stack - STEP_FLAG_GO_BACK_BIT = STEP_SHIFT << 1, // go back to previous node - STEP_NO_ADVANCE_BIT = STEP_SHIFT << 2, // do not advance past this node - STEP_EXIT_FUNCTION_BIT = STEP_SHIFT << 3, // return from function - STEP_YIELD_BIT = STEP_SHIFT << 4, // yield (will find VisualScriptFunctionState state in first working memory) - - FLOW_STACK_PUSHED_BIT = 1 << 30, // in flow stack, means bit was pushed (must go back here if end of sequence) - FLOW_STACK_MASK = FLOW_STACK_PUSHED_BIT - 1 - - }; - - _FORCE_INLINE_ int get_input_port_count() const { return input_port_count; } - _FORCE_INLINE_ int get_output_port_count() const { return output_port_count; } - _FORCE_INLINE_ int get_sequence_output_count() const { return sequence_output_count; } - - _FORCE_INLINE_ int get_id() const { return id; } - - virtual int get_working_memory_size() const { return 0; } - - virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Callable::CallError &r_error, String &r_error_str) = 0; // Do a step, return which sequence port to go out. - - Ref<VisualScriptNode> get_base_node() { return Ref<VisualScriptNode>(base); } - - VisualScriptNodeInstance(); - virtual ~VisualScriptNodeInstance(); -}; - -class VisualScript : public Script { - GDCLASS(VisualScript, Script); - - RES_BASE_EXTENSION("vs"); - -public: - struct SequenceConnection { - union { - struct { - uint64_t from_node : 24; - uint64_t from_output : 16; - uint64_t to_node : 24; - }; - uint64_t id = 0; - }; - - bool operator<(const SequenceConnection &p_connection) const { - return id < p_connection.id; - } - }; - - struct DataConnection { - union { - struct { - uint64_t from_node : 24; - uint64_t from_port : 8; - uint64_t to_node : 24; - uint64_t to_port : 8; - }; - uint64_t id = 0; - }; - - bool operator<(const DataConnection &p_connection) const { - return id < p_connection.id; - } - }; - -private: - friend class VisualScriptInstance; - - StringName base_type; - struct Argument { - String name; - Variant::Type type = Variant::Type::NIL; - }; - - struct NodeData { - Point2 pos; - Ref<VisualScriptNode> node; - }; - - HashMap<int, NodeData> nodes; // Can be a sparse map. - - RBSet<SequenceConnection> sequence_connections; - RBSet<DataConnection> data_connections; - - Vector2 scroll; - - struct Function { - int func_id; - Function() { func_id = -1; } - }; - - struct Variable { - PropertyInfo info; - Variant default_value; - bool _export = false; - // Add getter & setter options here. - }; - - HashMap<StringName, Function> functions; - HashMap<StringName, Variable> variables; - HashMap<StringName, Vector<Argument>> custom_signals; - Dictionary rpc_functions; - - HashMap<Object *, VisualScriptInstance *> instances; - - bool is_tool_script; - -#ifdef TOOLS_ENABLED - RBSet<PlaceHolderScriptInstance *> placeholders; - // void _update_placeholder(PlaceHolderScriptInstance *p_placeholder); - virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder) override; - void _update_placeholders(); -#endif - - void _set_variable_info(const StringName &p_name, const Dictionary &p_info); - Dictionary _get_variable_info(const StringName &p_name) const; - - void _set_data(const Dictionary &p_data); - Dictionary _get_data() const; - -protected: - void _node_ports_changed(int p_id); - static void _bind_methods(); - -public: - bool inherits_script(const Ref<Script> &p_script) const override; - - void set_scroll(const Vector2 &p_scroll); - Vector2 get_scroll() const; - - void add_function(const StringName &p_name, int p_func_node_id); - bool has_function(const StringName &p_name) const; - void remove_function(const StringName &p_name); - void rename_function(const StringName &p_name, const StringName &p_new_name); - void get_function_list(List<StringName> *r_functions) const; - int get_function_node_id(const StringName &p_name) const; - void set_tool_enabled(bool p_enabled); - - void add_node(int p_id, const Ref<VisualScriptNode> &p_node, const Point2 &p_pos = Point2()); - void remove_node(int p_id); - bool has_node(int p_id) const; - Ref<VisualScriptNode> get_node(int p_id) const; - void set_node_position(int p_id, const Point2 &p_pos); - Point2 get_node_position(int p_id) const; - void get_node_list(List<int> *r_nodes) const; - - void sequence_connect(int p_from_node, int p_from_output, int p_to_node); - void sequence_disconnect(int p_from_node, int p_from_output, int p_to_node); - bool has_sequence_connection(int p_from_node, int p_from_output, int p_to_node) const; - void get_sequence_connection_list(List<SequenceConnection> *r_connection) const; - RBSet<int> get_output_sequence_ports_connected(int from_node); - - void data_connect(int p_from_node, int p_from_port, int p_to_node, int p_to_port); - void data_disconnect(int p_from_node, int p_from_port, int p_to_node, int p_to_port); - bool has_data_connection(int p_from_node, int p_from_port, int p_to_node, int p_to_port) const; - void get_data_connection_list(List<DataConnection> *r_connection) const; - - bool is_input_value_port_connected(int p_node, int p_port) const; - bool get_input_value_port_connection_source(int p_node, int p_port, int *r_node, int *r_port) const; - - void add_variable(const StringName &p_name, const Variant &p_default_value = Variant(), bool p_export = false); - bool has_variable(const StringName &p_name) const; - void remove_variable(const StringName &p_name); - void set_variable_default_value(const StringName &p_name, const Variant &p_value); - Variant get_variable_default_value(const StringName &p_name) const; - void set_variable_info(const StringName &p_name, const PropertyInfo &p_info); - PropertyInfo get_variable_info(const StringName &p_name) const; - void set_variable_export(const StringName &p_name, bool p_export); - bool get_variable_export(const StringName &p_name) const; - void get_variable_list(List<StringName> *r_variables) const; - void rename_variable(const StringName &p_name, const StringName &p_new_name); - - void add_custom_signal(const StringName &p_name); - bool has_custom_signal(const StringName &p_name) const; - void custom_signal_add_argument(const StringName &p_func, Variant::Type p_type, const String &p_name, int p_index = -1); - void custom_signal_set_argument_type(const StringName &p_func, int p_argidx, Variant::Type p_type); - Variant::Type custom_signal_get_argument_type(const StringName &p_func, int p_argidx) const; - void custom_signal_set_argument_name(const StringName &p_func, int p_argidx, const String &p_name); - String custom_signal_get_argument_name(const StringName &p_func, int p_argidx) const; - void custom_signal_remove_argument(const StringName &p_func, int p_argidx); - int custom_signal_get_argument_count(const StringName &p_func) const; - void custom_signal_swap_argument(const StringName &p_func, int p_argidx, int p_with_argidx); - void remove_custom_signal(const StringName &p_name); - void rename_custom_signal(const StringName &p_name, const StringName &p_new_name); - RBSet<int> get_output_sequence_ports_connected(const String &edited_func, int from_node); - - void get_custom_signal_list(List<StringName> *r_custom_signals) const; - - int get_available_id() const; - - void set_instance_base_type(const StringName &p_type); - - virtual bool can_instantiate() const override; - - virtual Ref<Script> get_base_script() const override; - virtual StringName get_instance_base_type() const override; - virtual ScriptInstance *instance_create(Object *p_this) override; - virtual bool instance_has(const Object *p_this) const override; - - virtual bool has_source_code() const override; - virtual String get_source_code() const override; - virtual void set_source_code(const String &p_code) override; - virtual Error reload(bool p_keep_state = false) override; - -#ifdef TOOLS_ENABLED - virtual Vector<DocData::ClassDoc> get_documentation() const override { - Vector<DocData::ClassDoc> docs; - return docs; - } -#endif // TOOLS_ENABLED - - virtual bool is_tool() const override; - virtual bool is_valid() const override; - - virtual ScriptLanguage *get_language() const override; - - virtual bool has_script_signal(const StringName &p_signal) const override; - virtual void get_script_signal_list(List<MethodInfo> *r_signals) const override; - - virtual bool get_property_default_value(const StringName &p_property, Variant &r_value) const override; - virtual void get_script_method_list(List<MethodInfo> *p_list) const override; - - virtual bool has_method(const StringName &p_method) const override; - virtual MethodInfo get_method_info(const StringName &p_method) const override; - - virtual void get_script_property_list(List<PropertyInfo> *p_list) const override; - - virtual int get_member_line(const StringName &p_member) const override; - - virtual const Variant get_rpc_config() const override; - -#ifdef TOOLS_ENABLED - virtual bool are_subnodes_edited() const; -#endif - - VisualScript(); - ~VisualScript(); -}; - -class VisualScriptInstance : public ScriptInstance { - Object *owner = nullptr; - Ref<VisualScript> script; - - HashMap<StringName, Variant> variables; // Using variable path, not script. - HashMap<int, VisualScriptNodeInstance *> instances; - - struct Function { - int node = 0; - int max_stack = 0; - int trash_pos = 0; - int flow_stack_size = 0; - int pass_stack_size = 0; - int node_count = 0; - int argument_count = 0; - }; - - HashMap<StringName, Function> functions; - - Vector<Variant> default_values; - int max_input_args = 0; - int max_output_args = 0; - - StringName source; - - void _dependency_step(VisualScriptNodeInstance *node, int p_pass, int *pass_stack, const Variant **input_args, Variant **output_args, Variant *variant_stack, Callable::CallError &r_error, String &error_str, VisualScriptNodeInstance **r_error_node); - 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, Callable::CallError &r_error); - - friend class VisualScriptFunctionState; // For yield. - friend class VisualScriptLanguage; // For debugger. -public: - virtual bool set(const StringName &p_name, const Variant &p_value); - virtual bool get(const StringName &p_name, Variant &r_ret) const; - virtual void get_property_list(List<PropertyInfo> *p_properties) const; - virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = nullptr) const; - - virtual bool property_can_revert(const StringName &p_name) const { return false; }; - virtual bool property_get_revert(const StringName &p_name, Variant &r_ret) const { return false; }; - - virtual void get_method_list(List<MethodInfo> *p_list) const; - virtual bool has_method(const StringName &p_method) const; - virtual Variant callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error); - virtual void notification(int p_notification); - String to_string(bool *r_valid); - - bool set_variable(const StringName &p_variable, const Variant &p_value) { - HashMap<StringName, Variant>::Iterator E = variables.find(p_variable); - if (!E) { - return false; - } - - E->value = p_value; - return true; - } - - bool get_variable(const StringName &p_variable, Variant *r_variable) const { - HashMap<StringName, Variant>::ConstIterator E = variables.find(p_variable); - if (!E) { - return false; - } - - *r_variable = E->value; - return true; - } - - virtual Ref<Script> get_script() const; - - _FORCE_INLINE_ VisualScript *get_script_ptr() { return script.ptr(); } - _FORCE_INLINE_ Object *get_owner_ptr() { return owner; } - - void create(const Ref<VisualScript> &p_script, Object *p_owner); - - virtual ScriptLanguage *get_language(); - - virtual const Variant get_rpc_config() const; - - VisualScriptInstance(); - ~VisualScriptInstance(); -}; - -class VisualScriptFunctionState : public RefCounted { - GDCLASS(VisualScriptFunctionState, RefCounted); - friend class VisualScriptInstance; - - ObjectID instance_id; - ObjectID script_id; - VisualScriptInstance *instance = nullptr; - StringName function; - Vector<uint8_t> stack; - int working_mem_index = 0; - int variant_stack_size = 0; - VisualScriptNodeInstance *node = nullptr; - int flow_stack_pos = 0; - int pass = 0; - - Variant _signal_callback(const Variant **p_args, int p_argcount, Callable::CallError &r_error); - -protected: - static void _bind_methods(); - -public: - void connect_to_signal(Object *p_obj, const String &p_signal, Array p_binds); - bool is_valid() const; - Variant resume(Array p_args); - VisualScriptFunctionState(); - ~VisualScriptFunctionState(); -}; - -typedef Ref<VisualScriptNode> (*VisualScriptNodeRegisterFunc)(const String &p_type); - -class VisualScriptLanguage : public ScriptLanguage { - HashMap<String, VisualScriptNodeRegisterFunc> register_funcs; - - struct CallLevel { - Variant *stack = nullptr; - Variant **work_mem = nullptr; - const StringName *function = nullptr; - VisualScriptInstance *instance = nullptr; - int *current_id = nullptr; - }; - - int _debug_parse_err_node = -1; - String _debug_parse_err_file = ""; - String _debug_error; - int _debug_call_stack_pos = 0; - int _debug_max_call_stack; - CallLevel *_call_stack = nullptr; - -public: - StringName notification = "_notification"; - StringName _get_output_port_unsequenced; - StringName _step = "_step"; - StringName _subcall = "_subcall"; - - static VisualScriptLanguage *singleton; - - Mutex lock; - - bool debug_break(const String &p_error, bool p_allow_continue = true); - bool debug_break_parse(const String &p_file, int p_node, const String &p_error); - - _FORCE_INLINE_ void enter_function(VisualScriptInstance *p_instance, const StringName *p_function, Variant *p_stack, Variant **p_work_mem, int *current_id) { - if (Thread::get_main_id() != Thread::get_caller_id()) { - return; // No support for other threads than main for now. - } - - if (EngineDebugger::get_script_debugger()->get_lines_left() > 0 && EngineDebugger::get_script_debugger()->get_depth() >= 0) { - EngineDebugger::get_script_debugger()->set_depth(EngineDebugger::get_script_debugger()->get_depth() + 1); - } - - if (_debug_call_stack_pos >= _debug_max_call_stack) { - // Stack overflow. - _debug_error = vformat("Stack overflow (stack size: %s). Check for infinite recursion in your script.", _debug_max_call_stack); - EngineDebugger::get_script_debugger()->debug(this); - return; - } - - _call_stack[_debug_call_stack_pos].stack = p_stack; - _call_stack[_debug_call_stack_pos].instance = p_instance; - _call_stack[_debug_call_stack_pos].function = p_function; - _call_stack[_debug_call_stack_pos].work_mem = p_work_mem; - _call_stack[_debug_call_stack_pos].current_id = current_id; - _debug_call_stack_pos++; - } - - _FORCE_INLINE_ void exit_function() { - if (Thread::get_main_id() != Thread::get_caller_id()) { - return; // No support for other threads than main for now. - } - - if (EngineDebugger::get_script_debugger()->get_lines_left() > 0 && EngineDebugger::get_script_debugger()->get_depth() >= 0) { - EngineDebugger::get_script_debugger()->set_depth(EngineDebugger::get_script_debugger()->get_depth() - 1); - } - - if (_debug_call_stack_pos == 0) { - _debug_error = "Stack underflow (engine bug), please report."; - EngineDebugger::get_script_debugger()->debug(this); - return; - } - - _debug_call_stack_pos--; - } - - ////////////////////////////////////// - - virtual String get_name() const override; - - /* LANGUAGE FUNCTIONS */ - virtual void init() override; - virtual String get_type() const override; - virtual String get_extension() const override; - virtual Error execute_file(const String &p_path) override; - virtual void finish() override; - - /* EDITOR FUNCTIONS */ - virtual void get_reserved_words(List<String> *p_words) const override; - virtual bool is_control_flow_keyword(String p_keyword) const override; - virtual void get_comment_delimiters(List<String> *p_delimiters) const override; - virtual void get_string_delimiters(List<String> *p_delimiters) const override; - virtual bool is_using_templates() override; - virtual Ref<Script> make_template(const String &p_template, const String &p_class_name, const String &p_base_class_name) const override; - virtual bool validate(const String &p_script, const String &p_path = "", List<String> *r_functions = nullptr, List<ScriptLanguage::ScriptError> *r_errors = nullptr, List<ScriptLanguage::Warning> *r_warnings = nullptr, HashSet<int> *r_safe_lines = nullptr) const override; - virtual Script *create_script() const override; - virtual bool has_named_classes() const override; - virtual bool supports_builtin_mode() const override; - virtual int find_function(const String &p_function, const String &p_code) const override; - virtual String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const override; - virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const override; - virtual void add_global_constant(const StringName &p_variable, const Variant &p_value) override; - - /* DEBUGGER FUNCTIONS */ - - virtual String debug_get_error() const override; - virtual int debug_get_stack_level_count() const override; - virtual int debug_get_stack_level_line(int p_level) const override; - virtual String debug_get_stack_level_function(int p_level) const override; - virtual String debug_get_stack_level_source(int p_level) const override; - 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) override; - 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) override; - virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) override; - virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1) override; - - virtual void reload_all_scripts() override; - virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) override; - /* LOADER FUNCTIONS */ - - virtual void get_recognized_extensions(List<String> *p_extensions) const override; - virtual void get_public_functions(List<MethodInfo> *p_functions) const override; - virtual void get_public_constants(List<Pair<String, Variant>> *p_constants) const override; - virtual void get_public_annotations(List<MethodInfo> *p_annotations) const override; - - virtual void profiling_start() override; - virtual void profiling_stop() override; - - virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) override; - virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) override; - - void add_register_func(const String &p_name, VisualScriptNodeRegisterFunc p_func); - void remove_register_func(const String &p_name); - Ref<VisualScriptNode> create_node_from_name(const String &p_name); - void get_registered_node_names(List<String> *r_names); - - VisualScriptLanguage(); - ~VisualScriptLanguage(); -}; - -// Aid for registering. -template <class T> -static Ref<VisualScriptNode> create_node_generic(const String &p_name) { - Ref<T> node; - node.instantiate(); - return node; -} - -#endif // VISUAL_SCRIPT_H |