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class_db.cpp
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/**************************************************************************/
/* class_db.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "class_db.h"
#include "core/engine.h"
#include "core/os/mutex.h"
#include "core/version.h"
#define OBJTYPE_RLOCK RWLockRead _rw_lockr_(lock);
#define OBJTYPE_WLOCK RWLockWrite _rw_lockw_(lock);
#ifdef DEBUG_METHODS_ENABLED
MethodDefinition D_METHOD(const char *p_name) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.push_back(StaticCString::create(p_arg1));
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(2);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(3);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(4);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
md.args.write[3] = StaticCString::create(p_arg4);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(5);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
md.args.write[3] = StaticCString::create(p_arg4);
md.args.write[4] = StaticCString::create(p_arg5);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(6);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
md.args.write[3] = StaticCString::create(p_arg4);
md.args.write[4] = StaticCString::create(p_arg5);
md.args.write[5] = StaticCString::create(p_arg6);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(7);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
md.args.write[3] = StaticCString::create(p_arg4);
md.args.write[4] = StaticCString::create(p_arg5);
md.args.write[5] = StaticCString::create(p_arg6);
md.args.write[6] = StaticCString::create(p_arg7);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(8);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
md.args.write[3] = StaticCString::create(p_arg4);
md.args.write[4] = StaticCString::create(p_arg5);
md.args.write[5] = StaticCString::create(p_arg6);
md.args.write[6] = StaticCString::create(p_arg7);
md.args.write[7] = StaticCString::create(p_arg8);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(9);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
md.args.write[3] = StaticCString::create(p_arg4);
md.args.write[4] = StaticCString::create(p_arg5);
md.args.write[5] = StaticCString::create(p_arg6);
md.args.write[6] = StaticCString::create(p_arg7);
md.args.write[7] = StaticCString::create(p_arg8);
md.args.write[8] = StaticCString::create(p_arg9);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(10);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
md.args.write[3] = StaticCString::create(p_arg4);
md.args.write[4] = StaticCString::create(p_arg5);
md.args.write[5] = StaticCString::create(p_arg6);
md.args.write[6] = StaticCString::create(p_arg7);
md.args.write[7] = StaticCString::create(p_arg8);
md.args.write[8] = StaticCString::create(p_arg9);
md.args.write[9] = StaticCString::create(p_arg10);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(11);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
md.args.write[3] = StaticCString::create(p_arg4);
md.args.write[4] = StaticCString::create(p_arg5);
md.args.write[5] = StaticCString::create(p_arg6);
md.args.write[6] = StaticCString::create(p_arg7);
md.args.write[7] = StaticCString::create(p_arg8);
md.args.write[8] = StaticCString::create(p_arg9);
md.args.write[9] = StaticCString::create(p_arg10);
md.args.write[10] = StaticCString::create(p_arg11);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11, const char *p_arg12) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(12);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
md.args.write[3] = StaticCString::create(p_arg4);
md.args.write[4] = StaticCString::create(p_arg5);
md.args.write[5] = StaticCString::create(p_arg6);
md.args.write[6] = StaticCString::create(p_arg7);
md.args.write[7] = StaticCString::create(p_arg8);
md.args.write[8] = StaticCString::create(p_arg9);
md.args.write[9] = StaticCString::create(p_arg10);
md.args.write[10] = StaticCString::create(p_arg11);
md.args.write[11] = StaticCString::create(p_arg12);
return md;
}
MethodDefinition D_METHOD(const char *p_name, const char *p_arg1, const char *p_arg2, const char *p_arg3, const char *p_arg4, const char *p_arg5, const char *p_arg6, const char *p_arg7, const char *p_arg8, const char *p_arg9, const char *p_arg10, const char *p_arg11, const char *p_arg12, const char *p_arg13) {
MethodDefinition md;
md.name = StaticCString::create(p_name);
md.args.resize(13);
md.args.write[0] = StaticCString::create(p_arg1);
md.args.write[1] = StaticCString::create(p_arg2);
md.args.write[2] = StaticCString::create(p_arg3);
md.args.write[3] = StaticCString::create(p_arg4);
md.args.write[4] = StaticCString::create(p_arg5);
md.args.write[5] = StaticCString::create(p_arg6);
md.args.write[6] = StaticCString::create(p_arg7);
md.args.write[7] = StaticCString::create(p_arg8);
md.args.write[8] = StaticCString::create(p_arg9);
md.args.write[9] = StaticCString::create(p_arg10);
md.args.write[10] = StaticCString::create(p_arg11);
md.args.write[11] = StaticCString::create(p_arg12);
md.args.write[12] = StaticCString::create(p_arg13);
return md;
}
#endif
ClassDB::APIType ClassDB::current_api = API_CORE;
void ClassDB::set_current_api(APIType p_api) {
current_api = p_api;
}
ClassDB::APIType ClassDB::get_current_api() {
return current_api;
}
HashMap<StringName, ClassDB::ClassInfo> ClassDB::classes;
HashMap<StringName, StringName> ClassDB::resource_base_extensions;
HashMap<StringName, StringName> ClassDB::compat_classes;
ClassDB::ClassInfo::ClassInfo() {
api = API_NONE;
creation_func = nullptr;
inherits_ptr = nullptr;
disabled = false;
exposed = false;
}
ClassDB::ClassInfo::~ClassInfo() {
}
bool ClassDB::_is_parent_class(const StringName &p_class, const StringName &p_inherits) {
StringName inherits = p_class;
while (inherits.operator String().length()) {
if (inherits == p_inherits) {
return true;
}
inherits = _get_parent_class(inherits);
}
return false;
}
bool ClassDB::is_parent_class(const StringName &p_class, const StringName &p_inherits) {
OBJTYPE_RLOCK;
return _is_parent_class(p_class, p_inherits);
}
void ClassDB::get_class_list(List<StringName> *p_classes) {
OBJTYPE_RLOCK;
const StringName *k = nullptr;
while ((k = classes.next(k))) {
p_classes->push_back(*k);
}
p_classes->sort();
}
void ClassDB::get_inheriters_from_class(const StringName &p_class, List<StringName> *p_classes) {
OBJTYPE_RLOCK;
const StringName *k = nullptr;
while ((k = classes.next(k))) {
if (*k != p_class && _is_parent_class(*k, p_class)) {
p_classes->push_back(*k);
}
}
}
void ClassDB::get_direct_inheriters_from_class(const StringName &p_class, List<StringName> *p_classes) {
OBJTYPE_RLOCK;
const StringName *k = nullptr;
while ((k = classes.next(k))) {
if (*k != p_class && _get_parent_class(*k) == p_class) {
p_classes->push_back(*k);
}
}
}
StringName ClassDB::get_parent_class_nocheck(const StringName &p_class) {
OBJTYPE_RLOCK;
ClassInfo *ti = classes.getptr(p_class);
if (!ti) {
return StringName();
}
return ti->inherits;
}
StringName ClassDB::_get_parent_class(const StringName &p_class) {
ClassInfo *ti = classes.getptr(p_class);
ERR_FAIL_COND_V_MSG(!ti, StringName(), "Cannot get class '" + String(p_class) + "'.");
return ti->inherits;
}
StringName ClassDB::get_parent_class(const StringName &p_class) {
OBJTYPE_RLOCK;
return _get_parent_class(p_class);
}
ClassDB::APIType ClassDB::get_api_type(const StringName &p_class) {
OBJTYPE_RLOCK;
ClassInfo *ti = classes.getptr(p_class);
ERR_FAIL_COND_V_MSG(!ti, API_NONE, "Cannot get class '" + String(p_class) + "'.");
return ti->api;
}
uint64_t ClassDB::get_api_hash(APIType p_api) {
OBJTYPE_RLOCK;
#ifdef DEBUG_METHODS_ENABLED
uint64_t hash = hash_djb2_one_64(HashMapHasherDefault::hash(VERSION_FULL_CONFIG));
List<StringName> names;
const StringName *k = nullptr;
while ((k = classes.next(k))) {
names.push_back(*k);
}
//must be alphabetically sorted for hash to compute
names.sort_custom<StringName::AlphCompare>();
for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
ClassInfo *t = classes.getptr(E->get());
ERR_FAIL_COND_V_MSG(!t, 0, "Cannot get class '" + String(E->get()) + "'.");
if (t->api != p_api || !t->exposed) {
continue;
}
hash = hash_djb2_one_64(t->name.hash(), hash);
hash = hash_djb2_one_64(t->inherits.hash(), hash);
{ //methods
List<StringName> snames;
k = nullptr;
while ((k = t->method_map.next(k))) {
String name = k->operator String();
ERR_CONTINUE(name.empty());
if (name[0] == '_') {
continue; // Ignore non-virtual methods that start with an underscore
}
snames.push_back(*k);
}
snames.sort_custom<StringName::AlphCompare>();
for (List<StringName>::Element *F = snames.front(); F; F = F->next()) {
MethodBind *mb = t->method_map[F->get()];
hash = hash_djb2_one_64(mb->get_name().hash(), hash);
hash = hash_djb2_one_64(mb->get_argument_count(), hash);
hash = hash_djb2_one_64(mb->get_argument_type(-1), hash); //return
for (int i = 0; i < mb->get_argument_count(); i++) {
const PropertyInfo info = mb->get_argument_info(i);
hash = hash_djb2_one_64(info.type, hash);
hash = hash_djb2_one_64(info.name.hash(), hash);
hash = hash_djb2_one_64(info.hint, hash);
hash = hash_djb2_one_64(info.hint_string.hash(), hash);
}
hash = hash_djb2_one_64(mb->get_default_argument_count(), hash);
for (int i = 0; i < mb->get_default_argument_count(); i++) {
//hash should not change, i hope for tis
Variant da = mb->get_default_argument(i);
hash = hash_djb2_one_64(da.hash(), hash);
}
hash = hash_djb2_one_64(mb->get_hint_flags(), hash);
}
}
{ //constants
List<StringName> snames;
k = nullptr;
while ((k = t->constant_map.next(k))) {
snames.push_back(*k);
}
snames.sort_custom<StringName::AlphCompare>();
for (List<StringName>::Element *F = snames.front(); F; F = F->next()) {
hash = hash_djb2_one_64(F->get().hash(), hash);
hash = hash_djb2_one_64(t->constant_map[F->get()], hash);
}
}
{ //signals
List<StringName> snames;
k = nullptr;
while ((k = t->signal_map.next(k))) {
snames.push_back(*k);
}
snames.sort_custom<StringName::AlphCompare>();
for (List<StringName>::Element *F = snames.front(); F; F = F->next()) {
MethodInfo &mi = t->signal_map[F->get()];
hash = hash_djb2_one_64(F->get().hash(), hash);
for (int i = 0; i < mi.arguments.size(); i++) {
hash = hash_djb2_one_64(mi.arguments[i].type, hash);
}
}
}
{ //properties
List<StringName> snames;
k = nullptr;
while ((k = t->property_setget.next(k))) {
snames.push_back(*k);
}
snames.sort_custom<StringName::AlphCompare>();
for (List<StringName>::Element *F = snames.front(); F; F = F->next()) {
PropertySetGet *psg = t->property_setget.getptr(F->get());
ERR_FAIL_COND_V(!psg, 0);
hash = hash_djb2_one_64(F->get().hash(), hash);
hash = hash_djb2_one_64(psg->setter.hash(), hash);
hash = hash_djb2_one_64(psg->getter.hash(), hash);
}
}
//property list
for (List<PropertyInfo>::Element *F = t->property_list.front(); F; F = F->next()) {
hash = hash_djb2_one_64(F->get().name.hash(), hash);
hash = hash_djb2_one_64(F->get().type, hash);
hash = hash_djb2_one_64(F->get().hint, hash);
hash = hash_djb2_one_64(F->get().hint_string.hash(), hash);
hash = hash_djb2_one_64(F->get().usage, hash);
}
}
return hash;
#else
return 0;
#endif
}
bool ClassDB::class_exists(const StringName &p_class) {
OBJTYPE_RLOCK;
return classes.has(p_class);
}
void ClassDB::add_compatibility_class(const StringName &p_class, const StringName &p_fallback) {
OBJTYPE_WLOCK;
compat_classes[p_class] = p_fallback;
}
Object *ClassDB::instance(const StringName &p_class) {
ClassInfo *ti;
{
OBJTYPE_RLOCK;
ti = classes.getptr(p_class);
if (!ti || ti->disabled || !ti->creation_func) {
if (compat_classes.has(p_class)) {
ti = classes.getptr(compat_classes[p_class]);
}
}
ERR_FAIL_COND_V_MSG(!ti, nullptr, "Cannot get class '" + String(p_class) + "'.");
ERR_FAIL_COND_V_MSG(ti->disabled, nullptr, "Class '" + String(p_class) + "' is disabled.");
ERR_FAIL_COND_V_MSG(!ti->creation_func, nullptr, "Class '" + String(p_class) + "' or its base class cannot be instantiated.");
}
#ifdef TOOLS_ENABLED
if (ti->api == API_EDITOR && !Engine::get_singleton()->is_editor_hint()) {
ERR_PRINT("Class '" + String(p_class) + "' can only be instantiated by editor.");
return nullptr;
}
#endif
return ti->creation_func();
}
bool ClassDB::can_instance(const StringName &p_class) {
OBJTYPE_RLOCK;
ClassInfo *ti = classes.getptr(p_class);
ERR_FAIL_COND_V_MSG(!ti, false, "Cannot get class '" + String(p_class) + "'.");
#ifdef TOOLS_ENABLED
if (ti->api == API_EDITOR && !Engine::get_singleton()->is_editor_hint()) {
return false;
}
#endif
return (!ti->disabled && ti->creation_func != nullptr);
}
void ClassDB::_add_class2(const StringName &p_class, const StringName &p_inherits) {
OBJTYPE_WLOCK;
const StringName &name = p_class;
ERR_FAIL_COND_MSG(classes.has(name), "Class '" + String(p_class) + "' already exists.");
classes[name] = ClassInfo();
ClassInfo &ti = classes[name];
ti.name = name;
ti.inherits = p_inherits;
ti.api = current_api;
if (ti.inherits) {
ERR_FAIL_COND(!classes.has(ti.inherits)); //it MUST be registered.
ti.inherits_ptr = &classes[ti.inherits];
} else {
ti.inherits_ptr = nullptr;
}
}
static MethodInfo info_from_bind(MethodBind *p_method) {
MethodInfo minfo;
minfo.name = p_method->get_name();
minfo.id = p_method->get_method_id();
for (int i = 0; i < p_method->get_argument_count(); i++) {
minfo.arguments.push_back(p_method->get_argument_info(i));
}
minfo.return_val = p_method->get_return_info();
minfo.flags = p_method->get_hint_flags();
for (int i = 0; i < p_method->get_argument_count(); i++) {
if (p_method->has_default_argument(i)) {
minfo.default_arguments.push_back(p_method->get_default_argument(i));
}
}
return minfo;
}
void ClassDB::get_method_list(StringName p_class, List<MethodInfo> *p_methods, bool p_no_inheritance, bool p_exclude_from_properties) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
while (type) {
if (type->disabled) {
if (p_no_inheritance) {
break;
}
type = type->inherits_ptr;
continue;
}
#ifdef DEBUG_METHODS_ENABLED
for (List<MethodInfo>::Element *E = type->virtual_methods.front(); E; E = E->next()) {
p_methods->push_back(E->get());
}
for (List<StringName>::Element *E = type->method_order.front(); E; E = E->next()) {
if (p_exclude_from_properties && type->methods_in_properties.has(E->get())) {
continue;
}
MethodBind *method = type->method_map.get(E->get());
MethodInfo minfo = info_from_bind(method);
p_methods->push_back(minfo);
}
#else
const StringName *K = nullptr;
while ((K = type->method_map.next(K))) {
MethodBind *m = type->method_map[*K];
MethodInfo minfo = info_from_bind(m);
p_methods->push_back(minfo);
}
#endif
if (p_no_inheritance) {
break;
}
type = type->inherits_ptr;
}
}
MethodBind *ClassDB::get_method(StringName p_class, StringName p_name) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
while (type) {
MethodBind **method = type->method_map.getptr(p_name);
if (method && *method) {
return *method;
}
type = type->inherits_ptr;
}
return nullptr;
}
void ClassDB::bind_integer_constant(const StringName &p_class, const StringName &p_enum, const StringName &p_name, int p_constant) {
OBJTYPE_WLOCK;
ClassInfo *type = classes.getptr(p_class);
ERR_FAIL_COND(!type);
if (type->constant_map.has(p_name)) {
ERR_FAIL();
}
type->constant_map[p_name] = p_constant;
String enum_name = p_enum;
if (enum_name != String()) {
if (enum_name.find(".") != -1) {
enum_name = enum_name.get_slicec('.', 1);
}
List<StringName> *constants_list = type->enum_map.getptr(enum_name);
if (constants_list) {
constants_list->push_back(p_name);
} else {
List<StringName> new_list;
new_list.push_back(p_name);
type->enum_map[enum_name] = new_list;
}
}
#ifdef DEBUG_METHODS_ENABLED
type->constant_order.push_back(p_name);
#endif
}
void ClassDB::get_integer_constant_list(const StringName &p_class, List<String> *p_constants, bool p_no_inheritance) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
while (type) {
#ifdef DEBUG_METHODS_ENABLED
for (List<StringName>::Element *E = type->constant_order.front(); E; E = E->next()) {
p_constants->push_back(E->get());
}
#else
const StringName *K = NULL;
while ((K = type->constant_map.next(K))) {
p_constants->push_back(*K);
}
#endif
if (p_no_inheritance) {
break;
}
type = type->inherits_ptr;
}
}
int ClassDB::get_integer_constant(const StringName &p_class, const StringName &p_name, bool *p_success) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
while (type) {
int *constant = type->constant_map.getptr(p_name);
if (constant) {
if (p_success) {
*p_success = true;
}
return *constant;
}
type = type->inherits_ptr;
}
if (p_success) {
*p_success = false;
}
return 0;
}
StringName ClassDB::get_integer_constant_enum(const StringName &p_class, const StringName &p_name, bool p_no_inheritance) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
while (type) {
const StringName *k = nullptr;
while ((k = type->enum_map.next(k))) {
List<StringName> &constants_list = type->enum_map.get(*k);
const List<StringName>::Element *found = constants_list.find(p_name);
if (found) {
return *k;
}
}
if (p_no_inheritance) {
break;
}
type = type->inherits_ptr;
}
return StringName();
}
void ClassDB::get_enum_list(const StringName &p_class, List<StringName> *p_enums, bool p_no_inheritance) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
while (type) {
const StringName *k = nullptr;
while ((k = type->enum_map.next(k))) {
p_enums->push_back(*k);
}
if (p_no_inheritance) {
break;
}
type = type->inherits_ptr;
}
}
void ClassDB::get_enum_constants(const StringName &p_class, const StringName &p_enum, List<StringName> *p_constants, bool p_no_inheritance) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
while (type) {
const List<StringName> *constants = type->enum_map.getptr(p_enum);
if (constants) {
for (const List<StringName>::Element *E = constants->front(); E; E = E->next()) {
p_constants->push_back(E->get());
}
}
if (p_no_inheritance) {
break;
}
type = type->inherits_ptr;
}
}
bool ClassDB::has_enum(const StringName &p_class, const StringName &p_name, bool p_no_inheritance) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
while (type) {
if (type->enum_map.has(p_name)) {
return true;
}
if (p_no_inheritance) {
return false;
}
type = type->inherits_ptr;
}
return false;
}
void ClassDB::add_signal(StringName p_class, const MethodInfo &p_signal) {
OBJTYPE_WLOCK;
ClassInfo *type = classes.getptr(p_class);
ERR_FAIL_COND(!type);
StringName sname = p_signal.name;
#ifdef DEBUG_METHODS_ENABLED
ClassInfo *check = type;
while (check) {
ERR_FAIL_COND_MSG(check->signal_map.has(sname), "Class '" + String(p_class) + "' already has signal '" + String(sname) + "'.");
check = check->inherits_ptr;
}
#endif
type->signal_map[sname] = p_signal;
}
void ClassDB::get_signal_list(StringName p_class, List<MethodInfo> *p_signals, bool p_no_inheritance) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
ERR_FAIL_COND(!type);
ClassInfo *check = type;
while (check) {
const StringName *S = nullptr;
while ((S = check->signal_map.next(S))) {
p_signals->push_back(check->signal_map[*S]);
}
if (p_no_inheritance) {
return;
}
check = check->inherits_ptr;
}
}
bool ClassDB::has_signal(StringName p_class, StringName p_signal) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
ClassInfo *check = type;
while (check) {
if (check->signal_map.has(p_signal)) {
return true;
}
check = check->inherits_ptr;
}
return false;
}
bool ClassDB::get_signal(StringName p_class, StringName p_signal, MethodInfo *r_signal) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
ClassInfo *check = type;
while (check) {
if (check->signal_map.has(p_signal)) {
if (r_signal) {
*r_signal = check->signal_map[p_signal];
}
return true;
}
check = check->inherits_ptr;
}
return false;
}
void ClassDB::add_property_group(StringName p_class, const String &p_name, const String &p_prefix) {
OBJTYPE_WLOCK;
ClassInfo *type = classes.getptr(p_class);
ERR_FAIL_COND(!type);
type->property_list.push_back(PropertyInfo(Variant::NIL, p_name, PROPERTY_HINT_NONE, p_prefix, PROPERTY_USAGE_GROUP));
}
void ClassDB::add_property(StringName p_class, const PropertyInfo &p_pinfo, const StringName &p_setter, const StringName &p_getter, int p_index) {
lock.read_lock();
ClassInfo *type = classes.getptr(p_class);
lock.read_unlock();
ERR_FAIL_COND(!type);
MethodBind *mb_set = nullptr;
if (p_setter) {
mb_set = get_method(p_class, p_setter);
#ifdef DEBUG_METHODS_ENABLED
ERR_FAIL_COND_MSG(!mb_set, "Invalid setter '" + p_class + "::" + p_setter + "' for property '" + p_pinfo.name + "'.");
int exp_args = 1 + (p_index >= 0 ? 1 : 0);
ERR_FAIL_COND_MSG(mb_set->get_argument_count() != exp_args, "Invalid function for setter '" + p_class + "::" + p_setter + " for property '" + p_pinfo.name + "'.");
#endif
}
MethodBind *mb_get = nullptr;
if (p_getter) {
mb_get = get_method(p_class, p_getter);
#ifdef DEBUG_METHODS_ENABLED
ERR_FAIL_COND_MSG(!mb_get, "Invalid getter '" + p_class + "::" + p_getter + "' for property '" + p_pinfo.name + "'.");
int exp_args = 0 + (p_index >= 0 ? 1 : 0);
ERR_FAIL_COND_MSG(mb_get->get_argument_count() != exp_args, "Invalid function for getter '" + p_class + "::" + p_getter + "' for property: '" + p_pinfo.name + "'.");
#endif
}
#ifdef DEBUG_METHODS_ENABLED
ERR_FAIL_COND_MSG(type->property_setget.has(p_pinfo.name), "Object '" + p_class + "' already has property '" + p_pinfo.name + "'.");
#endif
OBJTYPE_WLOCK
type->property_list.push_back(p_pinfo);
#ifdef DEBUG_METHODS_ENABLED
if (mb_get) {
type->methods_in_properties.insert(p_getter);
}
if (mb_set) {
type->methods_in_properties.insert(p_setter);
}
#endif
PropertySetGet psg;
psg.setter = p_setter;
psg.getter = p_getter;
psg._setptr = mb_set;
psg._getptr = mb_get;
psg.index = p_index;
psg.type = p_pinfo.type;
type->property_setget[p_pinfo.name] = psg;
}
void ClassDB::set_property_default_value(StringName p_class, const StringName &p_name, const Variant &p_default) {
if (!default_values.has(p_class)) {
default_values[p_class] = HashMap<StringName, Variant>();
}
default_values[p_class][p_name] = p_default;
}
void ClassDB::get_property_list(StringName p_class, List<PropertyInfo> *p_list, bool p_no_inheritance, const Object *p_validator) {
OBJTYPE_RLOCK;
ClassInfo *type = classes.getptr(p_class);
ClassInfo *check = type;
while (check) {
for (List<PropertyInfo>::Element *E = check->property_list.front(); E; E = E->next()) {
if (p_validator) {
PropertyInfo pi = E->get();
p_validator->_validate_property(pi);
p_list->push_back(pi);
} else {
p_list->push_back(E->get());
}
}
if (p_no_inheritance) {
return;
}
check = check->inherits_ptr;
}
}
bool ClassDB::set_property(Object *p_object, const StringName &p_property, const Variant &p_value, bool *r_valid) {
ERR_FAIL_NULL_V(p_object, false);
ClassInfo *type = classes.getptr(p_object->get_class_name());
ClassInfo *check = type;
while (check) {
const PropertySetGet *psg = check->property_setget.getptr(p_property);
if (psg) {
if (!psg->setter) {
if (r_valid) {
*r_valid = false;
}
return true; //return true but do nothing
}
Variant::CallError ce;
if (psg->index >= 0) {
Variant index = psg->index;
const Variant *arg[2] = { &index, &p_value };
//p_object->call(psg->setter,arg,2,ce);