diff --git a/game/graphics.cc b/game/graphics.cc
index a773c01..a4b6636 100644
--- a/game/graphics.cc
+++ b/game/graphics.cc
@@ -35,6 +35,228 @@ Graphics::Graphics(glm::uvec2 windowSize, float nearPlane,
 Graphics::Graphics() {
 }
 
+Graphics::Graphics(const Graphics &other) {
+    std::lock_guard<std::mutex> lock(other.init_mutex);
+    lastLightUpdate             = other.lastLightUpdate;
+    lastWindUpdate              = other.lastWindUpdate;
+    windTarget                  = other.windTarget;
+    wind                        = other.wind;
+    windDirection               = other.windDirection;
+    windDirectionTarget         = other.windDirectionTarget;
+    textureMovementPosition     = other.textureMovementPosition;
+    windowSize                  = other.windowSize;
+    nearPlane                   = other.nearPlane;
+    farPlane                    = other.farPlane;
+    loadingScreenPath           = other.loadingScreenPath;
+    loadingScreenContinuePath   = other.loadingScreenContinuePath;
+    loadingScreen               = other.loadingScreen;
+    loadingContinueScreen       = other.loadingContinueScreen;
+    closestLights               = other.closestLights;
+    closestFlames               = other.closestFlames;
+    loadingShader               = other.loadingShader;
+    lightingShader              = other.lightingShader;
+    skydomeShader               = other.skydomeShader;
+    depthCubeShader             = other.depthCubeShader;
+    depthShader                 = other.depthShader;
+    flameShader                 = other.flameShader;
+    flamePostShader             = other.flamePostShader;
+    depth_directionalMaps       = other.depth_directionalMaps;
+    framebuffer_directional     = other.framebuffer_directional;
+    depth_cubeMaps              = other.depth_cubeMaps;
+    framebuffer_cube            = other.framebuffer_cube;
+    framebuffer_light           = other.framebuffer_light;
+    light_fbo_color_texture     = other.light_fbo_color_texture;
+    light_fbo_depth_texture     = other.light_fbo_depth_texture;
+    fullscreen_quad             = other.fullscreen_quad;
+    fullscreen_quad_ab          = other.fullscreen_quad_ab;
+    fullscreen_quad_loading     = other.fullscreen_quad_loading;
+    fullscreen_quad_ab_loading  = other.fullscreen_quad_ab_loading;
+    cube_size                   = other.cube_size;
+    maxShadowRenderCount        = other.maxShadowRenderCount;
+    level                       = other.level;
+    number_of_texture_units     = other.number_of_texture_units;
+    gameStart                   = other.gameStart;
+    loadingScreenWidth          = other.loadingScreenWidth;
+    loadingScreenHeight         = other.loadingScreenHeight;
+    renderShadows               = other.renderShadows;
+    renderFlames                = other.renderFlames;
+    renderDebug                 = other.renderDebug;
+    renderWorld                 = other.renderWorld;
+    debugDrawer                 = other.debugDrawer;
+    debug_ab                    = other.debug_ab;
+    debug_vao                   = other.debug_vao;
+    debugShader                 = other.debugShader;
+    renderQueue                 = other.renderQueue;
+}
+
+Graphics::Graphics(Graphics &&other) {
+    std::lock_guard<std::mutex> lock(other.init_mutex);
+    lastLightUpdate             = std::move(other.lastLightUpdate);
+    lastWindUpdate              = std::move(other.lastWindUpdate);
+    windTarget                  = std::move(other.windTarget);
+    wind                        = std::move(other.wind);
+    windDirection               = std::move(other.windDirection);
+    windDirectionTarget         = std::move(other.windDirectionTarget);
+    textureMovementPosition     = std::move(other.textureMovementPosition);
+    windowSize                  = std::move(other.windowSize);
+    nearPlane                   = std::move(other.nearPlane);
+    farPlane                    = std::move(other.farPlane);
+    loadingScreenPath           = std::move(other.loadingScreenPath);
+    loadingScreenContinuePath   = std::move(other.loadingScreenContinuePath);
+    loadingScreen               = std::move(other.loadingScreen);
+    loadingContinueScreen       = std::move(other.loadingContinueScreen);
+    closestLights               = std::move(other.closestLights);
+    closestFlames               = std::move(other.closestFlames);
+    loadingShader               = std::move(other.loadingShader);
+    lightingShader              = std::move(other.lightingShader);
+    skydomeShader               = std::move(other.skydomeShader);
+    depthCubeShader             = std::move(other.depthCubeShader);
+    depthShader                 = std::move(other.depthShader);
+    flameShader                 = std::move(other.flameShader);
+    flamePostShader             = std::move(other.flamePostShader);
+    depth_directionalMaps       = std::move(other.depth_directionalMaps);
+    framebuffer_directional     = std::move(other.framebuffer_directional);
+    depth_cubeMaps              = std::move(other.depth_cubeMaps);
+    framebuffer_cube            = std::move(other.framebuffer_cube);
+    framebuffer_light           = std::move(other.framebuffer_light);
+    light_fbo_color_texture     = std::move(other.light_fbo_color_texture);
+    light_fbo_depth_texture     = std::move(other.light_fbo_depth_texture);
+    fullscreen_quad             = std::move(other.fullscreen_quad);
+    fullscreen_quad_ab          = std::move(other.fullscreen_quad_ab);
+    fullscreen_quad_loading     = std::move(other.fullscreen_quad_loading);
+    fullscreen_quad_ab_loading  = std::move(other.fullscreen_quad_ab_loading);
+    cube_size                   = std::move(other.cube_size);
+    maxShadowRenderCount        = std::move(other.maxShadowRenderCount);
+    level                       = std::move(other.level);
+    number_of_texture_units     = std::move(other.number_of_texture_units);
+    gameStart                   = std::move(other.gameStart);
+    loadingScreenWidth          = std::move(other.loadingScreenWidth);
+    loadingScreenHeight         = std::move(other.loadingScreenHeight);
+    renderShadows               = std::move(other.renderShadows);
+    renderFlames                = std::move(other.renderFlames);
+    renderDebug                 = std::move(other.renderDebug);
+    renderWorld                 = std::move(other.renderWorld);
+    debugDrawer                 = std::move(other.debugDrawer);
+    debug_ab                    = std::move(other.debug_ab);
+    debug_vao                   = std::move(other.debug_vao);
+    debugShader                 = std::move(other.debugShader);
+    renderQueue                 = std::move(other.renderQueue);
+}
+
+Graphics& Graphics::operator= (const Graphics &other) {
+    std::lock(init_mutex, other.init_mutex);
+    std::lock_guard<std::mutex> self_lock(init_mutex, std::adopt_lock);
+    std::lock_guard<std::mutex> other_lock(other.init_mutex, std::adopt_lock);
+    lastLightUpdate             = other.lastLightUpdate;
+    lastWindUpdate              = other.lastWindUpdate;
+    windTarget                  = other.windTarget;
+    wind                        = other.wind;
+    windDirection               = other.windDirection;
+    windDirectionTarget         = other.windDirectionTarget;
+    textureMovementPosition     = other.textureMovementPosition;
+    windowSize                  = other.windowSize;
+    nearPlane                   = other.nearPlane;
+    farPlane                    = other.farPlane;
+    loadingScreenPath           = other.loadingScreenPath;
+    loadingScreenContinuePath   = other.loadingScreenContinuePath;
+    loadingScreen               = other.loadingScreen;
+    loadingContinueScreen       = other.loadingContinueScreen;
+    closestLights               = other.closestLights;
+    closestFlames               = other.closestFlames;
+    loadingShader               = other.loadingShader;
+    lightingShader              = other.lightingShader;
+    skydomeShader               = other.skydomeShader;
+    depthCubeShader             = other.depthCubeShader;
+    depthShader                 = other.depthShader;
+    flameShader                 = other.flameShader;
+    flamePostShader             = other.flamePostShader;
+    depth_directionalMaps       = other.depth_directionalMaps;
+    framebuffer_directional     = other.framebuffer_directional;
+    depth_cubeMaps              = other.depth_cubeMaps;
+    framebuffer_cube            = other.framebuffer_cube;
+    framebuffer_light           = other.framebuffer_light;
+    light_fbo_color_texture     = other.light_fbo_color_texture;
+    light_fbo_depth_texture     = other.light_fbo_depth_texture;
+    fullscreen_quad             = other.fullscreen_quad;
+    fullscreen_quad_ab          = other.fullscreen_quad_ab;
+    fullscreen_quad_loading     = other.fullscreen_quad_loading;
+    fullscreen_quad_ab_loading  = other.fullscreen_quad_ab_loading;
+    cube_size                   = other.cube_size;
+    maxShadowRenderCount        = other.maxShadowRenderCount;
+    level                       = other.level;
+    number_of_texture_units     = other.number_of_texture_units;
+    gameStart                   = other.gameStart;
+    loadingScreenWidth          = other.loadingScreenWidth;
+    loadingScreenHeight         = other.loadingScreenHeight;
+    renderShadows               = other.renderShadows;
+    renderFlames                = other.renderFlames;
+    renderDebug                 = other.renderDebug;
+    renderWorld                 = other.renderWorld;
+    debugDrawer                 = other.debugDrawer;
+    debug_ab                    = other.debug_ab;
+    debug_vao                   = other.debug_vao;
+    debugShader                 = other.debugShader;
+    renderQueue                 = other.renderQueue;
+    return *this;
+}
+
+Graphics& Graphics::operator= (Graphics &&other) {
+    std::lock(init_mutex, other.init_mutex);
+    std::lock_guard<std::mutex> self_lock(init_mutex, std::adopt_lock);
+    std::lock_guard<std::mutex> other_lock(other.init_mutex, std::adopt_lock);
+    lastLightUpdate             = std::move(other.lastLightUpdate);
+    lastWindUpdate              = std::move(other.lastWindUpdate);
+    windTarget                  = std::move(other.windTarget);
+    wind                        = std::move(other.wind);
+    windDirection               = std::move(other.windDirection);
+    windDirectionTarget         = std::move(other.windDirectionTarget);
+    textureMovementPosition     = std::move(other.textureMovementPosition);
+    windowSize                  = std::move(other.windowSize);
+    nearPlane                   = std::move(other.nearPlane);
+    farPlane                    = std::move(other.farPlane);
+    loadingScreenPath           = std::move(other.loadingScreenPath);
+    loadingScreenContinuePath   = std::move(other.loadingScreenContinuePath);
+    loadingScreen               = std::move(other.loadingScreen);
+    loadingContinueScreen       = std::move(other.loadingContinueScreen);
+    closestLights               = std::move(other.closestLights);
+    closestFlames               = std::move(other.closestFlames);
+    loadingShader               = std::move(other.loadingShader);
+    lightingShader              = std::move(other.lightingShader);
+    skydomeShader               = std::move(other.skydomeShader);
+    depthCubeShader             = std::move(other.depthCubeShader);
+    depthShader                 = std::move(other.depthShader);
+    flameShader                 = std::move(other.flameShader);
+    flamePostShader             = std::move(other.flamePostShader);
+    depth_directionalMaps       = std::move(other.depth_directionalMaps);
+    framebuffer_directional     = std::move(other.framebuffer_directional);
+    depth_cubeMaps              = std::move(other.depth_cubeMaps);
+    framebuffer_cube            = std::move(other.framebuffer_cube);
+    framebuffer_light           = std::move(other.framebuffer_light);
+    light_fbo_color_texture     = std::move(other.light_fbo_color_texture);
+    light_fbo_depth_texture     = std::move(other.light_fbo_depth_texture);
+    fullscreen_quad             = std::move(other.fullscreen_quad);
+    fullscreen_quad_ab          = std::move(other.fullscreen_quad_ab);
+    fullscreen_quad_loading     = std::move(other.fullscreen_quad_loading);
+    fullscreen_quad_ab_loading  = std::move(other.fullscreen_quad_ab_loading);
+    cube_size                   = std::move(other.cube_size);
+    maxShadowRenderCount        = std::move(other.maxShadowRenderCount);
+    level                       = std::move(other.level);
+    number_of_texture_units     = std::move(other.number_of_texture_units);
+    gameStart                   = std::move(other.gameStart);
+    loadingScreenWidth          = std::move(other.loadingScreenWidth);
+    loadingScreenHeight         = std::move(other.loadingScreenHeight);
+    renderShadows               = std::move(other.renderShadows);
+    renderFlames                = std::move(other.renderFlames);
+    renderDebug                 = std::move(other.renderDebug);
+    renderWorld                 = std::move(other.renderWorld);
+    debugDrawer                 = std::move(other.debugDrawer);
+    debug_ab                    = std::move(other.debug_ab);
+    debug_vao                   = std::move(other.debug_vao);
+    debugShader                 = std::move(other.debugShader);
+    renderQueue                 = std::move(other.renderQueue);
+    return *this;
+}
+
 
 void Graphics::init(Level* level) {
     // save Level
diff --git a/game/graphics.hh b/game/graphics.hh
index 3808657..cdfc5f3 100644
--- a/game/graphics.hh
+++ b/game/graphics.hh
@@ -16,6 +16,10 @@ class Graphics {
         Graphics(glm::uvec2 windowSize, float nearPlane, float farPlane, int cube_size, 
                 unsigned int maxShadowRenderCount, std::string screenPath,
                 std::string screenContinuePath);
+        Graphics(const Graphics &other);
+        Graphics(Graphics &&other);
+        Graphics& operator= (const Graphics &other);
+        Graphics& operator= (Graphics &&other);
         Graphics();
         void init(Level* level);
         void render(double time);
@@ -88,6 +92,7 @@ class Graphics {
         SharedVertexArrayObject debug_vao;
         SharedShaderProgram debugShader;
         std::vector<std::vector<std::vector<Object*>>*> renderQueue;
+        mutable std::mutex init_mutex;
 };
 
 #endif