1 files changed, 64 insertions, 0 deletions
diff --git a/noncore/games/sfcave-sdl/util.cpp b/noncore/games/sfcave-sdl/util.cpp
new file mode 100644
index 0000000..86738ad
--- a/dev/null
+++ b/noncore/games/sfcave-sdl/util.cpp
@@ -0,0 +1,64 @@
+#include "SDL.h"
+
+#include <dirent.h>
+
+#include <vector>
+using namespace std;
+
+#include "util.h"
+#include "random.h"
+
+Uint32 getpixel(SDL_Surface *surface, int x, int y)
+{
+    int bpp = surface->format->BytesPerPixel;
+    /* Here p is the address to the pixel we want to retrieve */
+    Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
+
+    switch(bpp) {
+    case 1:
+        return *p;
+
+    case 2:
+        return *(Uint16 *)p;
+
+    case 3:
+        if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
+            return p[0] << 16 | p[1] << 8 | p[2];
+        else
+            return p[0] | p[1] << 8 | p[2] << 16;
+
+    case 4:
+        return *(Uint32 *)p;
+
+    default:
+        return 0;       /* shouldn't happen, but avoids warnings */
+    }
+}
+
+const char *chooseRandomFile( string path, string fileType )
+{
+    vector<string> files;
+    DIR *d = opendir( path.c_str() );
+    if ( !d )
+        return "";
+
+    struct dirent *item = readdir( d );
+    while ( item )
+    {
+        string file = string( path ) + item->d_name;
+
+        // Rip extension from file
+        int pos = file.find( ".", 1 ) + 1;
+        string tmp = file.substr( pos );
+        printf( "pos = %d, tmp =%s\n", pos, tmp.c_str() );
+        if ( tmp.size() > 0 && fileType.find( tmp ) != -1 )
+        {
+            printf( "Matching <%s> - %s with <%s>\n", file.substr( pos ).c_str(), file.c_str(), fileType.c_str() );
+            files.push_back( file );
+        }
+        item = readdir( d );
+    }
+
+    closedir( d );
+    return files[nextInt( files.size() )].c_str();
+}