Add a more flexible wallpaper system

1 files changed, 99 insertions, 0 deletions

diff --git a/src/resources/wallpaper.cpp b/src/resources/wallpaper.cpp
new file mode 100644
index 00000000..24c6fff2
--- /dev/null
+++ b/src/resources/wallpaper.cpp
@@ -0,0 +1,99 @@
+/*
+ *  The Mana World
+ *  Copyright (C) 2009  The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <algorithm>
+#include <cstring>
+#include <physfs.h>
+
+#include "resources/wallpaper.h"
+
+#include "log.h"
+
+#include "utils/strprintf.h"
+
+#define WALLPAPER_FOLDER "graphics/images/"
+
+#define WALLPAPER_BASE "login_wallpaper"
+
+struct wallpaper {
+    Uint16 width;
+    Uint16 height;
+};
+
+std::vector<struct wallpaper> wallpapers;
+bool haveBackup; // Is the backup (no size given) version availabnle?
+
+bool wallpaperCompare(struct wallpaper x, struct wallpaper y)
+{
+    int aX = x.width * x.height;
+    int aY = y.width * y.height;
+
+    if (aX > aY || (aX == aY && x.width > y.width)) return true;
+    return false;
+}
+
+void Wallpaper::loadWallpapers()
+{
+    char **imgs = PHYSFS_enumerateFiles(WALLPAPER_FOLDER);
+    char **i;
+    int baseLen = strlen(WALLPAPER_BASE), width, height;
+
+    wallpapers.clear();
+
+    haveBackup = false;
+
+    for (i = imgs; *i != NULL; i++)
+        if (strncmp(*i, WALLPAPER_BASE, baseLen) == 0)
+            if (strlen(*i) == baseLen + 4)
+                if (haveBackup)
+                    logger->log("Duplicate default wallpaper!");
+                else haveBackup = true;
+            else if (sscanf(*i, WALLPAPER_BASE "_%dx%d.png", &width,
+                &height) == 2)
+            {
+                struct wallpaper wp;
+                wp.width = width;
+                wp.height = height;
+                wallpapers.push_back(wp);
+            }
+
+    PHYSFS_freeList(imgs);
+
+    std::sort(wallpapers.begin(), wallpapers.end(), wallpaperCompare);
+}
+
+std::string Wallpaper::getWallpaper(int width, int height)
+{
+    std::vector<wallpaper>::iterator iter;
+    wallpaper wp;
+
+    for(iter = wallpapers.begin(); iter != wallpapers.end(); iter++)
+    {
+        wp = *iter;
+        if (wp.width <= width && wp.height <= height)
+            return std::string(strprintf(WALLPAPER_FOLDER WALLPAPER_BASE
+                                "_%dx%d.png", wp.width, wp.height));
+    }
+
+    if (haveBackup) return std::string(WALLPAPER_FOLDER WALLPAPER_BASE ".png");
+
+    return std::string("");
+}