a7f49ac9a1
Happy new year to the wonderful Godot community! We're starting a new decade with a well-established, non-profit, free and open source game engine, and tons of further improvements in the pipeline from hundreds of contributors. Godot will keep getting better, and we're looking forward to all the games that the community will keep developing and releasing with it.
399 lines
14 KiB
C++
399 lines
14 KiB
C++
/*************************************************************************/
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/* nativescript.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef NATIVE_SCRIPT_H
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#define NATIVE_SCRIPT_H
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#include "core/io/resource_loader.h"
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#include "core/io/resource_saver.h"
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#include "core/oa_hash_map.h"
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#include "core/ordered_hash_map.h"
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#include "core/os/thread_safe.h"
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#include "core/resource.h"
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#include "core/script_language.h"
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#include "core/self_list.h"
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#include "scene/main/node.h"
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#include "modules/gdnative/gdnative.h"
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#include <nativescript/godot_nativescript.h>
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#ifndef NO_THREADS
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#include "core/os/mutex.h"
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#endif
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struct NativeScriptDesc {
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struct Method {
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godot_instance_method method;
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MethodInfo info;
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int rpc_mode;
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String documentation;
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};
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struct Property {
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godot_property_set_func setter;
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godot_property_get_func getter;
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PropertyInfo info;
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Variant default_value;
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int rset_mode;
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String documentation;
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};
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struct Signal {
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MethodInfo signal;
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String documentation;
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};
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Map<StringName, Method> methods;
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OrderedHashMap<StringName, Property> properties;
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Map<StringName, Signal> signals_; // QtCreator doesn't like the name signals
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StringName base;
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StringName base_native_type;
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NativeScriptDesc *base_data;
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godot_instance_create_func create_func;
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godot_instance_destroy_func destroy_func;
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String documentation;
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const void *type_tag;
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bool is_tool;
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inline NativeScriptDesc() :
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methods(),
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properties(),
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signals_(),
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base(),
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base_native_type(),
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documentation(),
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type_tag(NULL) {
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zeromem(&create_func, sizeof(godot_instance_create_func));
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zeromem(&destroy_func, sizeof(godot_instance_destroy_func));
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}
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};
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class NativeScript : public Script {
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GDCLASS(NativeScript, Script);
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#ifdef TOOLS_ENABLED
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Set<PlaceHolderScriptInstance *> placeholders;
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void _update_placeholder(PlaceHolderScriptInstance *p_placeholder);
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virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder);
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#endif
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friend class NativeScriptInstance;
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friend class NativeScriptLanguage;
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friend class NativeReloadNode;
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friend class GDNativeLibrary;
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Ref<GDNativeLibrary> library;
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String lib_path;
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String class_name;
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String script_class_name;
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String script_class_icon_path;
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#ifndef NO_THREADS
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Mutex *owners_lock;
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#endif
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Set<Object *> instance_owners;
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protected:
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static void _bind_methods();
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public:
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inline NativeScriptDesc *get_script_desc() const;
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void set_class_name(String p_class_name);
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String get_class_name() const;
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void set_library(Ref<GDNativeLibrary> p_library);
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Ref<GDNativeLibrary> get_library() const;
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void set_script_class_name(String p_type);
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String get_script_class_name() const;
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void set_script_class_icon_path(String p_icon_path);
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String get_script_class_icon_path() const;
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virtual bool can_instance() const;
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virtual Ref<Script> get_base_script() const; //for script inheritance
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virtual StringName get_instance_base_type() const; // this may not work in all scripts, will return empty if so
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virtual ScriptInstance *instance_create(Object *p_this);
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virtual PlaceHolderScriptInstance *placeholder_instance_create(Object *p_this);
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virtual bool instance_has(const Object *p_this) const;
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virtual bool has_source_code() const;
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virtual String get_source_code() const;
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virtual void set_source_code(const String &p_code);
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virtual Error reload(bool p_keep_state = false);
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virtual bool has_method(const StringName &p_method) const;
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virtual MethodInfo get_method_info(const StringName &p_method) const;
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virtual bool is_tool() const;
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virtual bool is_valid() const;
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virtual ScriptLanguage *get_language() const;
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virtual bool has_script_signal(const StringName &p_signal) const;
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virtual void get_script_signal_list(List<MethodInfo> *r_signals) const;
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virtual bool get_property_default_value(const StringName &p_property, Variant &r_value) const;
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virtual void update_exports(); //editor tool
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virtual void get_script_method_list(List<MethodInfo> *p_list) const;
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virtual void get_script_property_list(List<PropertyInfo> *p_list) const;
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String get_class_documentation() const;
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String get_method_documentation(const StringName &p_method) const;
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String get_signal_documentation(const StringName &p_signal_name) const;
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String get_property_documentation(const StringName &p_path) const;
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Variant _new(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
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NativeScript();
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~NativeScript();
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};
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class NativeScriptInstance : public ScriptInstance {
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friend class NativeScript;
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Object *owner;
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Ref<NativeScript> script;
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#ifdef DEBUG_ENABLED
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StringName current_method_call;
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#endif
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void _ml_call_reversed(NativeScriptDesc *script_data, const StringName &p_method, const Variant **p_args, int p_argcount);
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public:
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void *userdata;
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virtual bool set(const StringName &p_name, const Variant &p_value);
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virtual bool get(const StringName &p_name, Variant &r_ret) const;
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virtual void get_property_list(List<PropertyInfo> *p_properties) const;
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virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid) const;
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virtual void get_method_list(List<MethodInfo> *p_list) const;
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virtual bool has_method(const StringName &p_method) const;
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virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error);
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virtual void notification(int p_notification);
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String to_string(bool *r_valid);
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virtual Ref<Script> get_script() const;
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virtual MultiplayerAPI::RPCMode get_rpc_mode(const StringName &p_method) const;
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virtual MultiplayerAPI::RPCMode get_rset_mode(const StringName &p_variable) const;
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virtual ScriptLanguage *get_language();
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virtual void call_multilevel(const StringName &p_method, const Variant **p_args, int p_argcount);
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virtual void call_multilevel_reversed(const StringName &p_method, const Variant **p_args, int p_argcount);
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virtual void refcount_incremented();
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virtual bool refcount_decremented();
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~NativeScriptInstance();
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};
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class NativeReloadNode;
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class NativeScriptLanguage : public ScriptLanguage {
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friend class NativeScript;
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friend class NativeScriptInstance;
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friend class NativeReloadNode;
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private:
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static NativeScriptLanguage *singleton;
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int lang_idx;
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void _unload_stuff(bool p_reload = false);
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#ifndef NO_THREADS
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Mutex *mutex;
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Set<Ref<GDNativeLibrary> > libs_to_init;
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Set<NativeScript *> scripts_to_register;
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volatile bool has_objects_to_register; // so that we don't lock mutex every frame - it's rarely needed
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void defer_init_library(Ref<GDNativeLibrary> lib, NativeScript *script);
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#endif
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void init_library(const Ref<GDNativeLibrary> &lib);
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void register_script(NativeScript *script);
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void unregister_script(NativeScript *script);
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void call_libraries_cb(const StringName &name);
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Vector<Pair<bool, godot_instance_binding_functions> > binding_functions;
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Set<Vector<void *> *> binding_instances;
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Map<int, HashMap<StringName, const void *> > global_type_tags;
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struct ProfileData {
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StringName signature;
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uint64_t call_count;
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uint64_t self_time;
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uint64_t total_time;
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uint64_t frame_call_count;
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uint64_t frame_self_time;
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uint64_t frame_total_time;
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uint64_t last_frame_call_count;
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uint64_t last_frame_self_time;
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uint64_t last_frame_total_time;
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};
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Map<StringName, ProfileData> profile_data;
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bool profiling;
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public:
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// These two maps must only be touched on the main thread
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Map<String, Map<StringName, NativeScriptDesc> > library_classes;
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Map<String, Ref<GDNative> > library_gdnatives;
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Map<String, Set<NativeScript *> > library_script_users;
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StringName _init_call_type;
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StringName _init_call_name;
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StringName _terminate_call_name;
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StringName _noarg_call_type;
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StringName _frame_call_name;
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#ifndef NO_THREADS
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StringName _thread_enter_call_name;
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StringName _thread_exit_call_name;
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#endif
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NativeScriptLanguage();
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~NativeScriptLanguage();
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inline static NativeScriptLanguage *get_singleton() {
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return singleton;
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}
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void _hacky_api_anchor();
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_FORCE_INLINE_ void set_language_index(int p_idx) { lang_idx = p_idx; }
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#ifndef NO_THREADS
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virtual void thread_enter();
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virtual void thread_exit();
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#endif
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virtual void frame();
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virtual String get_name() const;
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virtual void init();
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virtual String get_type() const;
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virtual String get_extension() const;
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virtual Error execute_file(const String &p_path);
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virtual void finish();
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virtual void get_reserved_words(List<String> *p_words) const;
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virtual void get_comment_delimiters(List<String> *p_delimiters) const;
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virtual void get_string_delimiters(List<String> *p_delimiters) const;
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virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;
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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, List<ScriptLanguage::Warning> *r_warnings = NULL, Set<int> *r_safe_lines = NULL) const;
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virtual Script *create_script() const;
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virtual bool has_named_classes() const;
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virtual bool supports_builtin_mode() const;
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virtual int find_function(const String &p_function, const String &p_code) const;
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virtual String make_function(const String &p_class, const String &p_name, const PoolStringArray &p_args) const;
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virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const;
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virtual void add_global_constant(const StringName &p_variable, const Variant &p_value);
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virtual String debug_get_error() const;
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virtual int debug_get_stack_level_count() const;
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virtual int debug_get_stack_level_line(int p_level) const;
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virtual String debug_get_stack_level_function(int p_level) const;
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virtual String debug_get_stack_level_source(int p_level) const;
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virtual void debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth);
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virtual void debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems, int p_max_depth);
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virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth);
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virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems, int p_max_depth);
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virtual void reload_all_scripts();
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virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual void get_public_functions(List<MethodInfo> *p_functions) const;
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virtual void get_public_constants(List<Pair<String, Variant> > *p_constants) const;
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virtual void profiling_start();
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virtual void profiling_stop();
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virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max);
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virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max);
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int register_binding_functions(godot_instance_binding_functions p_binding_functions);
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void unregister_binding_functions(int p_idx);
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void *get_instance_binding_data(int p_idx, Object *p_object);
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virtual void *alloc_instance_binding_data(Object *p_object);
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virtual void free_instance_binding_data(void *p_data);
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virtual void refcount_incremented_instance_binding(Object *p_object);
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virtual bool refcount_decremented_instance_binding(Object *p_object);
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void set_global_type_tag(int p_idx, StringName p_class_name, const void *p_type_tag);
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const void *get_global_type_tag(int p_idx, StringName p_class_name) const;
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virtual bool handles_global_class_type(const String &p_type) const;
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virtual String get_global_class_name(const String &p_path, String *r_base_type, String *r_icon_path) const;
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void profiling_add_data(StringName p_signature, uint64_t p_time);
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};
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inline NativeScriptDesc *NativeScript::get_script_desc() const {
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Map<StringName, NativeScriptDesc>::Element *E = NativeScriptLanguage::singleton->library_classes[lib_path].find(class_name);
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return E ? &E->get() : NULL;
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}
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class NativeReloadNode : public Node {
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GDCLASS(NativeReloadNode, Node);
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bool unloaded;
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public:
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static void _bind_methods();
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void _notification(int p_what);
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NativeReloadNode() :
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unloaded(false) {}
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};
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class ResourceFormatLoaderNativeScript : public ResourceFormatLoader {
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public:
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virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String &p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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class ResourceFormatSaverNativeScript : public ResourceFormatSaver {
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virtual Error save(const String &p_path, const RES &p_resource, uint32_t p_flags = 0);
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virtual bool recognize(const RES &p_resource) const;
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virtual void get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const;
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};
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#endif // GDNATIVE_H
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