OpenMiner/source/common/world/BlockParam.cpp
2020-07-10 22:43:50 +02:00

102 lines
3.3 KiB
C++

/*
* =====================================================================================
*
* OpenMiner
*
* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
*
* This file is part of OpenMiner.
*
* OpenMiner is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* OpenMiner is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* =====================================================================================
*/
#include <gk/core/Debug.hpp>
#include <sol/sol.hpp>
#include "Block.hpp"
#include "BlockParam.hpp"
void BlockParam::serialize(sf::Packet &packet) const {
packet << m_totalSize << m_allocatedBits;
}
void BlockParam::deserialize(sf::Packet &packet) {
packet >> m_totalSize >> m_allocatedBits;
}
void BlockParam::allocateBits(u8 type, u8 size) {
auto it = m_allocatedBits.find(type);
if (it != m_allocatedBits.end()) {
gkWarning() << "Can't allocate param type" << getTypeName(type) << "twice in block" << m_block->stringID();
}
else if (m_totalSize + size <= 16) {
m_allocatedBits.emplace(type, Param{m_totalSize, size});
m_totalSize += size;
// gkDebug() << "Allocated" << (int)size << "bits for type" << getTypeName(type) << "in block" << m_block.stringID();
}
else {
gkError() << "Failed to allocate bits for param" << getTypeName(type) << "in block" << m_block->stringID();
gkError() << "Reason: Can't allocate more than 16 bits. Allocated bits:";
for (auto &it : m_allocatedBits) {
gkError() << "\t-" << getTypeName(it.first) << "=" << (int)it.second.size;
}
}
}
u16 BlockParam::getParam(u8 type, u16 data) const {
auto it = m_allocatedBits.find(type);
if (it == m_allocatedBits.end()) {
gkWarning() << "Failed to get param" << getTypeName(type) << "in block" << m_block->stringID();
return 0;
}
return (data >> it->second.offset) & ~(~0u << it->second.size);
}
u16 BlockParam::setParam(u8 type, u16 data, u16 param) {
auto it = m_allocatedBits.find(type);
if (it == m_allocatedBits.end()) {
gkWarning() << "Failed to set param" << getTypeName(type) << "in block" << m_block->stringID();
return 0;
}
u16 mask = ~(~0u << it->second.size) << it->second.offset;
param <<= it->second.offset;
if ((param & ~mask) != 0)
gkWarning() << "Block param overflow for type" << getTypeName(type) << "in block" << m_block->stringID();
return (data & ~mask) | (param & mask);
}
std::string BlockParam::getTypeName(u8 type) {
std::array<std::string, Type::Count> names = {
"Rotation",
"State",
};
return names[type];
}
// Please update 'docs/lua-api-cpp.md' if you change this
void BlockParam::initUsertype(sol::state &lua) {
lua.new_usertype<BlockParam>("BlockParam");
}