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/*
* The ManaPlus Client
* Copyright (C) 2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2013 The ManaPlus Developers
*
* 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/wallpaper.h"
#include "configuration.h"
#include "resources/resourcemanager.h"
#include "utils/physfstools.h"
#include <algorithm>
#include <cstring>
#include <ctime>
#include "debug.h"
struct WallpaperData
{
WallpaperData() :
filename(),
width(0),
height(0)
{
}
std::string filename;
int width;
int height;
};
static bool wallpaperCompare(const WallpaperData &a, const WallpaperData &b);
static std::vector<WallpaperData> wallpaperData;
static bool haveBackup; // Is the backup (no size given) version available?
static std::string wallpaperPath;
static std::string wallpaperFile;
// Search for the wallpaper path values sequentially..
static void initDefaultWallpaperPaths()
{
const ResourceManager *const resman = ResourceManager::getInstance();
// Init the path
wallpaperPath = branding.getStringValue("wallpapersPath");
if (wallpaperPath.empty() || !resman->isDirectory(wallpaperPath))
wallpaperPath = paths.getValue("wallpapers", "");
if (wallpaperPath.empty() || !resman->isDirectory(wallpaperPath))
wallpaperPath = "graphics/images/";
// Init the default file
wallpaperFile = branding.getStringValue("wallpaperFile");
if (!wallpaperFile.empty() && !resman->isDirectory(wallpaperFile))
return;
else
wallpaperFile = paths.getValue("wallpaperFile", "");
if (wallpaperFile.empty() || resman->isDirectory(wallpaperFile))
wallpaperFile = "login_wallpaper.png";
}
static bool wallpaperCompare(const WallpaperData &a, const WallpaperData &b)
{
const int aa = a.width * a.height;
const int ab = b.width * b.height;
return (aa > ab || (aa == ab && a.width > b.width));
}
void Wallpaper::loadWallpapers()
{
wallpaperData.clear();
initDefaultWallpaperPaths();
char **const imgs = PhysFs::enumerateFiles(wallpaperPath.c_str());
for (char **i = imgs; *i; i++)
{
// If the backup file is found, we tell it.
if (strncmp (*i, wallpaperFile.c_str(), strlen(*i)) == 0)
haveBackup = true;
// If the image format is terminated by: "_<width>x<height>.png"
// It is taken as a potential wallpaper.
// First, get the base filename of the image:
std::string filename = *i;
size_t separator = filename.rfind("_");
filename = filename.substr(0, separator);
// Check that the base filename doesn't have any '%' markers.
separator = filename.find("%");
if (separator == std::string::npos)
{
// Then, append the width and height search mask.
filename.append("_%10dx%10d.png");
int width;
int height;
if (sscanf(*i, filename.c_str(), &width, &height) == 2)
{
WallpaperData wp;
wp.filename = wallpaperPath;
wp.filename.append(*i);
wp.width = width;
wp.height = height;
wallpaperData.push_back(wp);
}
}
}
PhysFs::freeList(imgs);
std::sort(wallpaperData.begin(), wallpaperData.end(), wallpaperCompare);
}
std::string Wallpaper::getWallpaper(const int width, const int height)
{
WallpaperData wp;
// Wallpaper filename container
StringVect wallPaperVector;
FOR_EACH (std::vector<WallpaperData>::const_iterator, iter, wallpaperData)
{
wp = *iter;
if (wp.width <= width && wp.height <= height)
wallPaperVector.push_back(wp.filename);
}
// If we've got more than one occurence of a valid wallpaper...
if (!wallPaperVector.empty())
{
// Return randomly a wallpaper between vector[0] and
// vector[vector.size() - 1]
srand(static_cast<unsigned>(time(nullptr)));
return wallPaperVector[static_cast<int>(static_cast<double>(
wallPaperVector.size()) * rand() / (RAND_MAX + 1.0))];
}
// Return the backup file if everything else failed...
if (haveBackup)
return std::string(wallpaperPath).append(wallpaperFile);
// Return an empty string if everything else failed
return std::string();
}
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