OpenMiner/source/common/core/TilesDef.cpp
2020-05-10 19:50:21 +02:00

86 lines
3.1 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/Exception.hpp>
#include "NetworkUtils.hpp"
#include "TilesDef.hpp"
const std::string &TilesDef::getTextureForFace(u8 face, bool useAltTiles) const {
u8 size = (!useAltTiles) ? m_textureFilenames.size() : m_altTextureFilenames.size();
if (size == 0)
throw EXCEPTION("Trying to get texture from empty tiles definition");
static constexpr int nSizes = 6, nFaces = 6;
// Determine which indices correspond to each face, depending on how many
// textures were specified
// NOTE: If this table changes, please change 'docs/lua-api-blocks.md' accordingly
static constexpr u8 faceToIndex[nSizes][nFaces] = {
// Same order as enum BlockFace in TilesDef.hpp,
// namely: West, East, South, North, Bottom, Top
{0, 0, 0, 0, 0, 0}, // for size = 1
{1, 1, 1, 1, 0, 0}, // for size = 2
{2, 2, 2, 2, 1, 0}, // for size = 3
{3, 2, 3, 3, 1, 0}, // for size = 4
{3, 2, 4, 4, 1, 0}, // for size = 5
{3, 2, 4, 5, 1, 0}, // for size = 6
};
u8 index = faceToIndex[size <= nSizes ? size - 1 : nSizes - 1][face];
if (!useAltTiles)
return m_textureFilenames.at(index);
else {
const std::string &filename = m_altTextureFilenames.at(index);
return (!filename.empty()) ? filename : getTextureForFace(face, false);
}
}
void TilesDef::serialize(sf::Packet &packet) const {
packet << m_textureFilenames << m_altTextureFilenames;
}
void TilesDef::deserialize(sf::Packet &packet) {
packet >> m_textureFilenames >> m_altTextureFilenames;
}
void TilesDef::loadFromLuaTable(const sol::table &table) {
if (table["tiles"].get_type() == sol::type::table) {
m_textureFilenames = table["tiles"].get<std::vector<std::string>>();
}
else
m_textureFilenames.emplace_back(table["tiles"].get<std::string>());
if (table["alt_tiles"].get_type() != sol::type::none) {
if (table["alt_tiles"].get_type() == sol::type::table) {
m_altTextureFilenames = table["alt_tiles"].get<std::vector<std::string>>();
}
else
m_altTextureFilenames.emplace_back(table["alt_tiles"].get<std::string>());
}
}