Install all materials before loading meshes

src/graphics/material.cpp

@@ -518,10 +518,12 @@ void Material::install(bool is_full_path, bool complain_if_not_found)
     if (m_mask.size() > 0)
     {
         m_texture->grab();
+        irr_driver->removeTexture(m_texture);
         video::ITexture* tex = irr_driver->applyMask(m_texture, m_mask);
         if (tex)
         {
-            irr_driver->removeTexture(m_texture);
+            // TODO: cleanup
+            //m_texture->drop();
             m_texture = tex;
         }
         else

src/graphics/material.hpp

@@ -271,7 +271,6 @@ private:
     bool  m_installed;
 
     void  init    ();
-    void  install (bool is_full_path=false, bool complain_if_not_found=true);
     void  initCustomSFX(const XMLNode *sfx);
     void  initParticlesEffect(const XMLNode *node);
 
@@ -283,7 +282,8 @@ public:
                    bool load_texture = true);
          ~Material ();
 
-    void unloadTexture();
+    void  install(bool is_full_path = false, bool complain_if_not_found = true);
+    void  unloadTexture();
 
     void  setSFXSpeed(SFXBase *sfx, float speed, bool should_be_paused) const;
     void  setMaterialProperties(video::SMaterial *m, scene::IMeshBuffer* mb);

src/graphics/material_manager.cpp

@@ -395,6 +395,18 @@ void MaterialManager::unloadAllTextures()
     }
 }
 
+// ----------------------------------------------------------------------------
+
+void MaterialManager::installAllTextures()
+{
+    std::string texture_folder = file_manager->getAssetDirectory(FileManager::TEXTURE);
+    for (int i = 0; i < m_shared_material_index; i++)
+    {
+        if (m_materials[i]->getTexFullPath().find(texture_folder) != std::string::npos)
+            m_materials[i]->install(true, true);
+    }
+}
+
 // ----------------------------------------------------------------------------
 bool MaterialManager::hasMaterial(const std::string& fname)
 {

src/graphics/material_manager.hpp

@@ -83,6 +83,7 @@ public:
     void      makeMaterialsPermanent();
     bool      hasMaterial(const std::string& fname);
 
+    void      installAllTextures();
     void      unloadAllTextures();
 
     Material* getLatestMaterial() { return m_materials[m_materials.size()-1]; }

src/tracks/track.cpp

@@ -1645,10 +1645,14 @@ void Track::loadTrackModel(bool reverse_track, unsigned int mode_id)
         {
             if(!m_materials_loaded)
                 material_manager->addSharedMaterial(materials_file);
+            material_manager->installAllTextures();
             m_materials_loaded = true;
         }
         else
+        {
             material_manager->pushTempMaterial(materials_file);
+            material_manager->installAllTextures();
+        }
     }
     catch (std::exception& e)
     {