palettedb.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2013-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "resources/db/palettedb.h"
 
#include "configuration.h"
 
#include "fs/virtfs/tools.h"
 
#include "utils/checkutils.h"
 
#include "resources/dye/dyecolor.h"
 
#include "debug.h"
 
namespace
{
 bool mLoaded = false;
 std::map<std::string, DyeColor> mColors;
} // namespace
 
void PaletteDB::load()
{
 if (mLoaded)
 unload();
 
 logger->log1("Initializing palette database...");
 loadPalette();
}
 
void PaletteDB::loadPalette()
{
 mLoaded = true;
 StringVect lines;
 VirtFs::loadTextFile(paths.getStringValue("palettesDir") +
 paths.getStringValue("defaultPaletteFile"),
 lines);
 StringVectCIter it = lines.begin();
 if (it == lines.end())
 {
 logger->log("missing GIMP palette file");
 return;
 }
 if (*it != "GIMP Palette")
 {
 reportAlways("wrong GIMP palette file")
 return;
 }
 ++ it;
 // skip header
 while (it != lines.end())
 {
 const std::string line = *it;
 if (!line.empty() && line[0] == '#')
 break;
 ++ it;
 }
 
 char name[101];
 
 // process colors and ignore commets
 while (it != lines.end())
 {
 const std::string line = *it;
 ++ it;
 
 if (line.empty() || line[0] == '#')
 continue;
 
 unsigned int r;
 unsigned int g;
 unsigned int b;
 
 if (sscanf(line.c_str(), "%10u %10u %10u\t%100s",
 &r, &g, &b, name) == 4)
 {
 name[100] = 0;
 mColors[name] = DyeColor(CAST_U8(r),
 CAST_U8(g),
 CAST_U8(b));
 }
 }
}
 
void PaletteDB::unload()
{
 logger->log1("Unloading palette database...");
 mColors.clear();
}
 
const DyeColor *PaletteDB::getColor(const std::string &name)
{
 const std::map<std::string, DyeColor>::const_iterator it =
 mColors.find(name);
 if (it != mColors.end())
 return &(*it).second;
 return nullptr;
}