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/**************************************************************************/
/* callable_method_pointer.cpp */
/**************************************************************************/
/* This file is part of: */
/* REDOT ENGINE */
/* https://redotengine.org */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors */
/* (see REDOT_AUTHORS.md) */
/* 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 <godot_cpp/variant/callable_method_pointer.hpp>
#include <godot_cpp/templates/hashfuncs.hpp>
namespace godot {
static void custom_callable_mp_call(void *p_userdata, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_argument_count, GDExtensionVariantPtr r_return, GDExtensionCallError *r_error) {
CallableCustomMethodPointerBase *callable_method_pointer = (CallableCustomMethodPointerBase *)p_userdata;
callable_method_pointer->call((const Variant **)p_args, p_argument_count, *(Variant *)r_return, *r_error);
}
static GDExtensionBool custom_callable_mp_is_valid(void *p_userdata) {
CallableCustomMethodPointerBase *callable_method_pointer = (CallableCustomMethodPointerBase *)p_userdata;
ObjectID object = callable_method_pointer->get_object();
return object == ObjectID() || ObjectDB::get_instance(object);
}
static void custom_callable_mp_free(void *p_userdata) {
CallableCustomMethodPointerBase *callable_method_pointer = (CallableCustomMethodPointerBase *)p_userdata;
memdelete(callable_method_pointer);
}
static uint32_t custom_callable_mp_hash(void *p_userdata) {
CallableCustomMethodPointerBase *callable_method_pointer = (CallableCustomMethodPointerBase *)p_userdata;
return callable_method_pointer->get_hash();
}
static GDExtensionBool custom_callable_mp_equal_func(void *p_a, void *p_b) {
CallableCustomMethodPointerBase *a = (CallableCustomMethodPointerBase *)p_a;
CallableCustomMethodPointerBase *b = (CallableCustomMethodPointerBase *)p_b;
if (a->get_comp_size() != b->get_comp_size()) {
return false;
}
return memcmp(a->get_comp_ptr(), b->get_comp_ptr(), a->get_comp_size() * 4) == 0;
}
static GDExtensionBool custom_callable_mp_less_than_func(void *p_a, void *p_b) {
CallableCustomMethodPointerBase *a = (CallableCustomMethodPointerBase *)p_a;
CallableCustomMethodPointerBase *b = (CallableCustomMethodPointerBase *)p_b;
if (a->get_comp_size() != b->get_comp_size()) {
return a->get_comp_size() < b->get_comp_size();
}
return memcmp(a->get_comp_ptr(), b->get_comp_ptr(), a->get_comp_size() * 4) < 0;
}
static GDExtensionInt custom_callable_mp_get_argument_count_func(void *p_userdata, GDExtensionBool *r_is_valid) {
CallableCustomMethodPointerBase *callable_method_pointer = (CallableCustomMethodPointerBase *)p_userdata;
bool valid = false;
int ret = callable_method_pointer->get_argument_count(valid);
*r_is_valid = valid;
return ret;
}
void CallableCustomMethodPointerBase::_setup(uint32_t *p_base_ptr, uint32_t p_ptr_size) {
comp_ptr = p_base_ptr;
comp_size = p_ptr_size / 4;
for (uint32_t i = 0; i < comp_size; i++) {
if (i == 0) {
h = hash_murmur3_one_32(comp_ptr[i]);
} else {
h = hash_murmur3_one_32(comp_ptr[i], h);
}
}
}
namespace internal {
Callable create_callable_from_ccmp(CallableCustomMethodPointerBase *p_callable_method_pointer) {
GDExtensionCallableCustomInfo2 info = {};
info.callable_userdata = p_callable_method_pointer;
info.token = internal::token;
info.object_id = p_callable_method_pointer->get_object();
info.call_func = &custom_callable_mp_call;
info.is_valid_func = &custom_callable_mp_is_valid;
info.free_func = &custom_callable_mp_free;
info.hash_func = &custom_callable_mp_hash;
info.equal_func = &custom_callable_mp_equal_func;
info.less_than_func = &custom_callable_mp_less_than_func;
info.get_argument_count_func = &custom_callable_mp_get_argument_count_func;
Callable callable;
::godot::internal::gdextension_interface_callable_custom_create2(callable._native_ptr(), &info);
return callable;
}
} // namespace internal
} // namespace godot
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