diff options
Diffstat (limited to 'core/callable_method_pointer.cpp')
| -rw-r--r-- | core/callable_method_pointer.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/core/callable_method_pointer.cpp b/core/callable_method_pointer.cpp new file mode 100644 index 0000000000..8774af6add --- /dev/null +++ b/core/callable_method_pointer.cpp @@ -0,0 +1,94 @@ +/*************************************************************************/ +/* callable_method_pointer.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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. */ +/*************************************************************************/ + +#include "callable_method_pointer.h" + +bool CallableCustomMethodPointerBase::compare_equal(const CallableCustom *p_a, const CallableCustom *p_b) { + const CallableCustomMethodPointerBase *a = static_cast<const CallableCustomMethodPointerBase *>(p_a); + const CallableCustomMethodPointerBase *b = static_cast<const CallableCustomMethodPointerBase *>(p_b); + + if (a->comp_size != b->comp_size) { + return false; + } + + for (uint32_t i = 0; i < a->comp_size; i++) { + if (a->comp_ptr[i] != b->comp_ptr[i]) { + return false; + } + } + + return true; +} + +bool CallableCustomMethodPointerBase::compare_less(const CallableCustom *p_a, const CallableCustom *p_b) { + + const CallableCustomMethodPointerBase *a = static_cast<const CallableCustomMethodPointerBase *>(p_a); + const CallableCustomMethodPointerBase *b = static_cast<const CallableCustomMethodPointerBase *>(p_b); + + if (a->comp_size != b->comp_size) { + return a->comp_size < b->comp_size; + } + + for (uint32_t i = 0; i < a->comp_size; i++) { + if (a->comp_ptr[i] == b->comp_ptr[i]) { + continue; + } + + return a->comp_ptr[i] < b->comp_ptr[i]; + } + + return false; +} + +CallableCustom::CompareEqualFunc CallableCustomMethodPointerBase::get_compare_equal_func() const { + return compare_equal; +} + +CallableCustom::CompareLessFunc CallableCustomMethodPointerBase::get_compare_less_func() const { + return compare_less; +} + +uint32_t CallableCustomMethodPointerBase::hash() const { + return h; +} + +void CallableCustomMethodPointerBase::_setup(uint32_t *p_base_ptr, uint32_t p_ptr_size) { + comp_ptr = p_base_ptr; + comp_size = p_ptr_size / 4; + + // Precompute hash. + for (uint32_t i = 0; i < comp_size; i++) { + if (i == 0) { + h = hash_djb2_one_32(comp_ptr[i]); + } else { + h = hash_djb2_one_32(comp_ptr[i], h); + } + } +} |