/*
Gets the path to a texture by first checking if the texture exists
in texture_path and if not, using the data path.
Checks all supported extensions by replacing the original extension.
If not found, returns "".
Utilizes a thread-safe cache.
*/
std::string getTexturePath(const std::string &filename)
{
std::string fullpath = "";
/*
Check from cache
*/
bool incache = g_texturename_to_path_cache.get(filename, &fullpath);
if(incache)
return fullpath;
/*
Check from texture_path
*/
std::string texture_path = g_settings->get("texture_path");
if(texture_path != "")
{
std::string testpath = texture_path + DIR_DELIM + filename;
// Check all filename extensions. Returns "" if not found.
fullpath = getImagePath(testpath);
}
/*
Check from $user/textures/all
*/
if(fullpath == "")
{
std::string texture_path = porting::path_user + DIR_DELIM
+ "textures" + DIR_DELIM + "all";
std::string testpath = texture_path + DIR_DELIM + filename;
// Check all filename extensions. Returns "" if not found.
fullpath = getImagePath(testpath);
}
/*
Check from default data directory
*/
if(fullpath == "")
{
std::string base_path = porting::path_share + DIR_DELIM + "textures"
+ DIR_DELIM + "base" + DIR_DELIM + "pack";
std::string testpath = base_path + DIR_DELIM + filename;
// Check all filename extensions. Returns "" if not found.
fullpath = getImagePath(testpath);
}
// Add to cache (also an empty result is cached)
g_texturename_to_path_cache.set(filename, fullpath);
// Finally return it
return fullpath;
}
/*
Gets the path to a shader by first checking if the file
name_of_shader/filename
exists in shader_path and if not, using the data path.
If not found, returns "".
Utilizes a thread-safe cache.
*/
std::string getShaderPath(const std::string &name_of_shader,
const std::string &filename)
{
std::string combined = name_of_shader + DIR_DELIM + filename;
std::string fullpath = "";
/*
Check from cache
*/
bool incache = g_shadername_to_path_cache.get(combined, &fullpath);
if(incache)
return fullpath;
/*
Check from shader_path
*/
std::string shader_path = g_settings->get("shader_path");
if(shader_path != "")
{
std::string testpath = shader_path + DIR_DELIM + combined;
if(fs::PathExists(testpath))
fullpath = testpath;
}
/*
Check from default data directory
*/
if(fullpath == "")
{
std::string rel_path = std::string("client") + DIR_DELIM
+ "shaders" + DIR_DELIM
+ name_of_shader + DIR_DELIM
+ filename;
std::string testpath = porting::path_share + DIR_DELIM + rel_path;
if(fs::PathExists(testpath))
fullpath = testpath;
}
// Add to cache (also an empty result is cached)
g_shadername_to_path_cache.set(combined, fullpath);
// Finally return it
return fullpath;
}