https://github.com/projectM-visualizer/projectm/pull/112
diff --git a/src/libprojectM/Renderer/Renderer.cpp b/src/libprojectM/Renderer/Renderer.cpp
index 82ae81a..5da27fc 100644
--- a/src/libprojectM/Renderer/Renderer.cpp
+++ b/src/libprojectM/Renderer/Renderer.cpp
@@ -20,9 +20,9 @@ Pipeline* Renderer::currentPipe;
 class Preset;
 
 Renderer::Renderer(int width, int height, int gx, int gy, BeatDetect *_beatDetect, std::string _presetURL,
-        std::string _titlefontURL, std::string _menufontURL) :
+        std::string _titlefontURL, std::string _menufontURL, const std::string& datadir) :
     title_fontURL(_titlefontURL), menu_fontURL(_menufontURL), presetURL(_presetURL), m_presetName("None"), vw(width),
-            vh(height), mesh(gx, gy)
+            vh(height), mesh(gx, gy), m_datadir(datadir)
 {
     this->totalframes = 1;
     this->noSwitch = false;
@@ -463,7 +463,7 @@ void Renderer::reset(int w, int h)
     if (textureManager != NULL) {
         delete textureManager;
     }
-    textureManager = new TextureManager(presetURL, texsizeX, texsizeY);
+    textureManager = new TextureManager(presetURL, texsizeX, texsizeY, m_datadir);
 
     shaderEngine.setParams(texsizeX, texsizeY, beatDetect, textureManager);
     shaderEngine.reset();
diff --git a/src/libprojectM/Renderer/Renderer.hpp b/src/libprojectM/Renderer/Renderer.hpp
index f525c7c..7d2c00e 100644
--- a/src/libprojectM/Renderer/Renderer.hpp
+++ b/src/libprojectM/Renderer/Renderer.hpp
@@ -67,7 +67,7 @@ public:
   float m_fInvAspectX;
   float m_fInvAspectY;
 
-  Renderer(int width, int height, int gx, int gy, BeatDetect *_beatDetect, std::string presetURL, std::string title_fontURL, std::string menu_fontURL);
+  Renderer(int width, int height, int gx, int gy, BeatDetect *_beatDetect, std::string presetURL, std::string title_fontURL, std::string menu_fontURL, const std::string& datadir = "");
   ~Renderer();
 
   void RenderFrame(const Pipeline &pipeline, const PipelineContext &pipelineContext);
@@ -98,6 +98,7 @@ private:
   //per pixel equation variables
   ShaderEngine shaderEngine;
   std::string m_presetName;
+  std::string m_datadir;
 
   float* p;
 
diff --git a/src/libprojectM/Renderer/TextureManager.cpp b/src/libprojectM/Renderer/TextureManager.cpp
index 2905838..b87196a 100644
--- a/src/libprojectM/Renderer/TextureManager.cpp
+++ b/src/libprojectM/Renderer/TextureManager.cpp
@@ -29,7 +29,7 @@
 #define NUM_BLUR_TEX    6
 
 
-TextureManager::TextureManager(const std::string _presetsURL, const int texsizeX, const int texsizeY):
+TextureManager::TextureManager(const std::string _presetsURL, const int texsizeX, const int texsizeY, std::string datadir):
     presetsURL(_presetsURL)
 {
     extensions.push_back(".jpg");
@@ -40,9 +40,11 @@ TextureManager::TextureManager(const std::string _presetsURL, const int texsizeX
     extensions.push_back(".dib");
 
     Preload();
+    if (datadir.empty())
+      datadir = DATADIR_PATH;
 
-    loadTextureDir(std::string(DATADIR_PATH) + "/presets");
-    loadTextureDir(std::string(DATADIR_PATH) + "/textures");
+    loadTextureDir(datadir + "/presets");
+    loadTextureDir(datadir + "/textures");
     loadTextureDir(_presetsURL);
 
     // Create main texture ans associated samplers
diff --git a/src/libprojectM/Renderer/TextureManager.hpp b/src/libprojectM/Renderer/TextureManager.hpp
index b1a7982..10b68e6 100644
--- a/src/libprojectM/Renderer/TextureManager.hpp
+++ b/src/libprojectM/Renderer/TextureManager.hpp
@@ -23,7 +23,8 @@ class TextureManager
   std::vector<std::string> extensions;
 
 public:
-  TextureManager(std::string _presetsURL, const int texsizeX, const int texsizeY);
+  TextureManager(std::string _presetsURL, const int texsizeX, const int texsizeY,
+                 std::string datadir = "");
   ~TextureManager();
 
   void Clear();
diff --git a/src/libprojectM/projectM.cpp b/src/libprojectM/projectM.cpp
index 00377a5..bb71aa0 100755
--- a/src/libprojectM/projectM.cpp
+++ b/src/libprojectM/projectM.cpp
@@ -134,7 +134,7 @@ beatDetect ( 0 ), renderer ( 0 ),  _pcm(0), m_presetPos(0), m_flags(flags), _pip
 
 }
 
-projectM::projectM(Settings settings, int flags):
+projectM::projectM(Settings& settings, int flags):
 beatDetect ( 0 ), renderer ( 0 ),  _pcm(0), m_presetPos(0), m_flags(flags), _pipelineContext(new PipelineContext()), _pipelineContext2(new PipelineContext()),
   timeKeeper(NULL), _matcher(NULL), _merger(NULL)
 {
@@ -267,6 +267,7 @@ void projectM::readSettings (const Settings & settings )
     _settings.titleFontURL = settings.titleFontURL;
     _settings.menuFontURL =  settings.menuFontURL;
     _settings.shuffleEnabled = settings.shuffleEnabled;
+    _settings.datadir = settings.datadir;
 
     _settings.easterEgg = settings.easterEgg;
 
@@ -512,7 +513,7 @@ static void *thread_callback(void *prjm) {
             mspf= ( int ) ( 1000.0/ ( float ) _settings.fps );
         else mspf = 0;
 
-        this->renderer = new Renderer ( width, height, gx, gy, beatDetect, settings().presetURL, settings().titleFontURL, settings().menuFontURL );
+        this->renderer = new Renderer ( width, height, gx, gy, beatDetect, settings().presetURL, settings().titleFontURL, settings().menuFontURL, settings().datadir );
 
         running = true;
 
@@ -931,7 +932,8 @@ void projectM::changeTextureSize(int size) {
   renderer = new Renderer(_settings.windowWidth, _settings.windowHeight,
                           _settings.meshX, _settings.meshY,
                           beatDetect, _settings.presetURL,
-                          _settings.titleFontURL, _settings.menuFontURL);
+                          _settings.titleFontURL, _settings.menuFontURL,
+                          _settings.datadir);
 }
 
 void projectM::changePresetDuration(int seconds) {
diff --git a/src/libprojectM/projectM.hpp b/src/libprojectM/projectM.hpp
index 7339c8f..de7cd1d 100755
--- a/src/libprojectM/projectM.hpp
+++ b/src/libprojectM/projectM.hpp
@@ -128,6 +128,7 @@ public:
         std::string presetURL;
         std::string titleFontURL;
         std::string menuFontURL;
+        std::string datadir;
         int smoothPresetDuration;
         int presetDuration;
         float beatSensitivity;
@@ -153,7 +154,7 @@ public:
     };
 
   projectM(std::string config_file, int flags = FLAG_NONE);
-  projectM(Settings settings, int flags = FLAG_NONE);
+  projectM(Settings& settings, int flags = FLAG_NONE);
 
   //DLLEXPORT projectM(int gx, int gy, int fps, int texsize, int width, int height,std::string preset_url,std::string title_fonturl, std::string title_menuurl);